linux-next: build warning after merge of the amdgpu tree

linux-next: build warning after merge of the amdgpu tree

[Stephen Rothwell]

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Hi all,

After merging the amdgpu tree, today's linux-next build (powerpc
allyesconfig) produced this warning:

In file included from include/linux/compiler_types.h:59,
                 from <command-line>:
drivers/gpu/drm/amd/amdgpu/../powerplay/hwmgr/smu7_hwmgr.c: In function 'smu7_request_link_speed_change_before_state_change':
include/linux/compiler_attributes.h:200:41: warning: statement will never be executed [-Wswitch-unreachable]
  200 | # define fallthrough                    __attribute__((__fallthrough__))
      |                                         ^~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../powerplay/hwmgr/smu7_hwmgr.c:3706:4: note: in expansion of macro 'fallthrough'
 3706 |    fallthrough;
      |    ^~~~~~~~~~~

Introduced by commit

  e86efa063cd1 ("AMD POWERPLAY: Use fallthrough;")

-- 
Cheers,
Stephen Rothwell

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[PATCH] drm/amd/powerplay: Move fallthrough; into containing #ifdef/#endif

[Joe Perches]

The automated conversion of /* fallthrough */ comments converted
a comment outside of an #ifdef/#endif case block that should be
inside the block.

Move the fallthrough inside the block to silence the warning.

Signed-off-by: Joe Perches <joe@perches.com>
---

On Fri, 2020-03-13 at 20:57 +1100, Stephen Rothwell wrote:
> Hi all,
> 
> After merging the amdgpu tree, today's linux-next build (powerpc
> allyesconfig) produced this warning:
> 
> In file included from include/linux/compiler_types.h:59,
>                  from <command-line>:
> drivers/gpu/drm/amd/amdgpu/../powerplay/hwmgr/smu7_hwmgr.c: In function 'smu7_request_link_speed_change_before_state_change':
> include/linux/compiler_attributes.h:200:41: warning: statement will never be executed [-Wswitch-unreachable]
>   200 | # define fallthrough                    __attribute__((__fallthrough__))
>       |                                         ^~~~~~~~~~~~~
> drivers/gpu/drm/amd/amdgpu/../powerplay/hwmgr/smu7_hwmgr.c:3706:4: note: in expansion of macro 'fallthrough'
>  3706 |    fallthrough;
>       |    ^~~~~~~~~~~
> 
> Introduced by commit
> 
>   e86efa063cd1 ("AMD POWERPLAY: Use fallthrough;")

This is also one of the #ifdef/#endif pairs
where the fallthrough is outside of the #endif.

https://lore.kernel.org/lkml/cover.1584040050.git.joe@perches.com/

Here is a delta patch for this.
Let me know if another form is needed.

 drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
index fc5236c..774048 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
@@ -3702,8 +3702,8 @@ static int smu7_request_link_speed_change_before_state_change(
 		case PP_PCIEGen2:
 			if (0 == amdgpu_acpi_pcie_performance_request(hwmgr->adev, PCIE_PERF_REQ_GEN2, false))
 				break;
-#endif
 			fallthrough;
+#endif
 		default:
 			data->force_pcie_gen = smu7_get_current_pcie_speed(hwmgr);
 			break;
-- 
2.24.0

Re: [PATCH] drm/amd/powerplay: Move fallthrough; into containing #ifdef/#endif

[Alex Deucher]

On Fri, Mar 13, 2020 at 8:59 AM Joe Perches <joe@perches.com> wrote:
>
> The automated conversion of /* fallthrough */ comments converted
> a comment outside of an #ifdef/#endif case block that should be
> inside the block.
>
> Move the fallthrough inside the block to silence the warning.
>
> Signed-off-by: Joe Perches <joe@perches.com>

Applied.  Thanks!

Alex

> ---
>
> On Fri, 2020-03-13 at 20:57 +1100, Stephen Rothwell wrote:
> > Hi all,
> >
> > After merging the amdgpu tree, today's linux-next build (powerpc
> > allyesconfig) produced this warning:
> >
> > In file included from include/linux/compiler_types.h:59,
> >                  from <command-line>:
> > drivers/gpu/drm/amd/amdgpu/../powerplay/hwmgr/smu7_hwmgr.c: In function 'smu7_request_link_speed_change_before_state_change':
> > include/linux/compiler_attributes.h:200:41: warning: statement will never be executed [-Wswitch-unreachable]
> >   200 | # define fallthrough                    __attribute__((__fallthrough__))
> >       |                                         ^~~~~~~~~~~~~
> > drivers/gpu/drm/amd/amdgpu/../powerplay/hwmgr/smu7_hwmgr.c:3706:4: note: in expansion of macro 'fallthrough'
> >  3706 |    fallthrough;
> >       |    ^~~~~~~~~~~
> >
> > Introduced by commit
> >
> >   e86efa063cd1 ("AMD POWERPLAY: Use fallthrough;")
>
> This is also one of the #ifdef/#endif pairs
> where the fallthrough is outside of the #endif.
>
> https://lore.kernel.org/lkml/cover.1584040050.git.joe@perches.com/
>
> Here is a delta patch for this.
> Let me know if another form is needed.
>
>  drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
> index fc5236c..774048 100644
> --- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
> +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
> @@ -3702,8 +3702,8 @@ static int smu7_request_link_speed_change_before_state_change(
>                 case PP_PCIEGen2:
>                         if (0 == amdgpu_acpi_pcie_performance_request(hwmgr->adev, PCIE_PERF_REQ_GEN2, false))
>                                 break;
> -#endif
>                         fallthrough;
> +#endif
>                 default:
>                         data->force_pcie_gen = smu7_get_current_pcie_speed(hwmgr);
>                         break;
> --
> 2.24.0
>
>

linux-next: build warning after merge of the amdgpu tree

[Stephen Rothwell]

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Hi all,

After merging the amdgpu tree, today's linux-next build (htmldocs)
produced this warning:

drivers/gpu/drm/amd/display/dc/dc.h:878: warning: Function parameter or member 'override_dispclk_programming' not described in 'dc_debug_options'

Introduced by commit

  7bd571b274fd ("drm/amd/display: DAL to program DISPCLK WDIVIDER if PMFW doesn't")

-- 
Cheers,
Stephen Rothwell

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linux-next: build warning after merge of the amdgpu tree

[Stephen Rothwell]

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Hi all,

After merging the amdgpu tree, today's linux-next build (htmldocs)
produced this warning:

drivers/gpu/drm/amd/display/dc/dc.h:877: warning: Function parameter or member 'temp_mst_deallocation_sequence' not described in 'dc_debug_options'

Introduced by commit

  3d8fcc6740c9 ("drm/amd/display: Extract temp drm mst deallocation wa into its own function")

-- 
Cheers,
Stephen Rothwell

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linux-next: build warning after merge of the amdgpu tree

[Stephen Rothwell]

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Hi all,

After merging the amdgpu tree, today's linux-next build (htmldocs)
produced this warning:

drivers/gpu/drm/amd/display/dc/dc.h:877: warning: Function parameter or member 'dig_fifo_off_in_blank' not described in 'dc_debug_options'

Introduced by commit

  40774ad1c460 ("drm/amd/display: contional remove disable dig_fifo when blank")

-- 
Cheers,
Stephen Rothwell

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linux-next: build warning after merge of the amdgpu tree

[Stephen Rothwell]

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Hi all,

After merging the amdgpu tree, today's linux-next build (htmldocs)
produced this warning:

drivers/gpu/drm/amd/display/dc/dc.h:876: warning: Function parameter or member 'disable_unbounded_requesting' not described in 'dc_debug_options'

Introduced by commit

  c96d529773db ("drm/amd/display: Add debug bit to disable unbounded requesting")

-- 
Cheers,
Stephen Rothwell

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Re: linux-next: build warning after merge of the amdgpu tree

[Christian König]

Am 18.11.22 um 07:47 schrieb Stephen Rothwell:
> Hi all,
>
> After merging the amdgpu tree, today's linux-next build (htmldocs)
> produced this warning:
>
> Error: Cannot open file /home/sfr/next/next/drivers/gpu/drm/amd/amdgpu/amdgpu_mn
> .c
>
> Introduced by commit
>
>    d9483ecd327b ("drm/amdgpu: rename the files for HMM handling")
>
> This file is mentioned in Documentation/gpu/amdgpu/driver-core.rst
>

Ah, thanks for pointing that out. Looks like I missed that reference. 
Going to fix it ASAP.

Thanks,
Christian.

linux-next: build warning after merge of the amdgpu tree

[Stephen Rothwell]

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Hi all,

After merging the amdgpu tree, today's linux-next build (htmldocs)
produced this warning:

Error: Cannot open file /home/sfr/next/next/drivers/gpu/drm/amd/amdgpu/amdgpu_mn
.c

Introduced by commit

  d9483ecd327b ("drm/amdgpu: rename the files for HMM handling")

This file is mentioned in Documentation/gpu/amdgpu/driver-core.rst

-- 
Cheers,
Stephen Rothwell

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linux-next: build warning after merge of the amdgpu tree

[Stephen Rothwell]

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Hi all,

After merging the amdgpu tree, today's linux-next build (htmldocs)
produced this warning:

drivers/gpu/drm/amd/display/dc/dc.h:869: warning: Function parameter or member 'min_prefetch_in_strobe_ns' not described in 'dc_debug_options'

Introduced by commit

  01c0c124b9ec ("drm/amd/display: Enforce minimum prefetch time for low memclk on DCN32")

-- 
Cheers,
Stephen Rothwell

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linux-next: build warning after merge of the amdgpu tree

[Stephen Rothwell]

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Hi all,

After merging the amdgpu tree, today's linux-next build (htmldocs)
produced this warning:

drivers/gpu/drm/amd/display/dc/dc.h:502: warning: cannot understand function prototype: 'struct dc_clocks '

Introduced by commit

  1682bd1a6b5f ("drm/amd/display: Expand kernel doc for DC")

-- 
Cheers,
Stephen Rothwell

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linux-next: build warning after merge of the amdgpu tree

[Stephen Rothwell]

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Hi all,

After merging the amdgpu tree, today's linux-next build (htmldocs)
produced this warning:

drivers/gpu/drm/amd/display/dc/dc.h:1289: warning: Function parameter or member 'plane_states' not described in 'dc_validation_set'

Introduced by commit

  f6ae69f49fcf ("drm/amd/display: Include surface of unaffected streams")

-- 
Cheers,
Stephen Rothwell

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linux-next: build warning after merge of the amdgpu tree

[Stephen Rothwell]

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Hi all,

After merging the amdgpu tree, today's linux-next build (htmldocs)
produced this warning:

drivers/gpu/drm/amd/display/dc/dc.h:1275: warning: cannot understand function prototype: 'struct dc_validation_set '

Introduced by commit

  f4a59996c408 ("drm/amd/display: Include surface of unaffected streams")

The word "struct" was left out of the comment.

-- 
Cheers,
Stephen Rothwell

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Re: linux-next: build warning after merge of the amdgpu tree

[Stephen Rothwell]

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Hi all,

On Wed, 31 Aug 2022 15:37:42 +1000 Stephen Rothwell <sfr@canb.auug.org.au> wrote:
> 
> After merging the amdgpu tree, today's linux-next build (htmldocs)
> produced this warning:
> 
> drivers/gpu/drm/amd/display/dc/dc.h:848: warning: Function parameter or member 'lttpr_mode_override' not described in 'dc_debug_options'
> 
> Introduced by commit
> 
>   280f1884892f ("drm/amd/display: Add DC debug option to force LTTPR mode")

I am still seeing this warning.

-- 
Cheers,
Stephen Rothwell

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Re: linux-next: build warning after merge of the amdgpu tree

[Stephen Rothwell]

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Hi all,

On Wed, 31 Aug 2022 09:04:26 +1000 Stephen Rothwell <sfr@canb.auug.org.au> wrote:
> 
> On Fri, 12 Aug 2022 08:13:47 +1000 Stephen Rothwell <sfr@canb.auug.org.au> wrote:
> >
> > After merging the amdgpu tree, today's linux-next build (htmldocs)
> > produced this warning:
> > 
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'always_scale' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'always_use_regamma' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'aux_wake_wa' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'avoid_vbios_exec_table' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'az_endpoint_mute_only' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'bandwidth_calcs_trace' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'bw_val_profile' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'clock_trace' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'cm_in_bypass' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'crb_alloc_policy' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'crb_alloc_policy_min_disp_count' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_48mhz_pwrdwn' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_clock_gate' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_dcc' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_dfs_bypass' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_dmcu' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_dpp_power_gate' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_dram_clock_change_vactive_support' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_dsc' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_dsc_edp' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_dsc_power_gate' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_dtb_ref_clk_switch' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_fams' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_fec' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_fixed_vs_aux_timeout_wa' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_hubp_power_gate' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_idle_power_optimizations' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_mem_low_power' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_min_fclk' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_pplib_clock_request' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_pplib_wm_range' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_psr' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_stereo_support' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_stutter' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_timing_sync' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_uhbr' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_z10' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_z9_mpc' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'dmcub_emulation' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'dml_disallow_alternate_prefetch_modes' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'dml_hostvm_override' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'dmub_command_table' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'dmub_offload_enabled' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'dpia_debug' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'dram_clock_change_latency_ns' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'dsc_bpp_increment_div' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'dsc_min_slice_height_override' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'dwb_fi_phase' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'edid_read_retry_times' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'enable_dmcub_surface_flip' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'enable_dmub_aux_for_legacy_ddc' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'enable_dp_dig_pixel_rate_div_policy' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'enable_dram_clock_change_one_display_vactive' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'enable_driver_sequence_debug' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'enable_mem_low_power' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'enable_single_display_2to1_odm_policy' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'enable_sw_cntl_psr' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'enable_tri_buf' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'enable_z9_disable_interface' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'exit_idle_opt_for_cursor_updates' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'extended_blank_optimization' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'fec_enable_delay_in100us' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'fixed_vs_aux_delay_config_wa' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'force_abm_enable' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'force_clock_mode' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'force_disable_subvp' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'force_dp2_lt_fallback_method' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'force_dsc_edp_policy' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'force_fclk_khz' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'force_min_dcfclk_mhz' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'force_odm_combine' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'force_odm_combine_4to1' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'force_single_disp_pipe_split' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'force_subvp_mclk_switch' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'force_usr_allow' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'force_vblank_alignment' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'hdmi20_disable' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'hpo_optimization' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'ignore_cable_id' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'legacy_dp2_lt' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'mall_additional_timer_percent' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'mall_error_as_fatal' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'mall_size_override' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'max_disp_clk' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'max_downscale_src_width' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'min_disp_clk_khz' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'min_dpp_clk_khz' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'min_dram_clk_khz' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'mst_start_top_delay' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'native422_support' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'optimize_edp_link_rate' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'optimized_watermark' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'percent_of_ideal_drambw' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'performance_trace' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'pplib_wm_report_mode' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'psr_power_use_phy_fsm' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'pstate_enabled' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'recovery_enabled' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'root_clock_optimization' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'sanity_checks' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'scl_reset_length10' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'seamless_boot_odm_combine' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'set_mst_en_for_sst' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'skip_detection_link_training' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'sr_enter_plus_exit_time_dpm0_ns' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'sr_enter_plus_exit_time_ns' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'sr_exit_time_dpm0_ns' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'sr_exit_time_ns' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'surface_trace' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'timing_trace' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'underflow_assert_delay_us' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'urgent_latency_ns' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'usbc_combo_phy_reset_wa' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'use_legacy_soc_bb_mechanism' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'use_max_lb' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'validate_dml_output' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'validation_trace' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'visual_confirm' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'visual_confirm_rect_height' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'voltage_align_fclk' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'vsr_support' not described in 'dc_debug_options'
> > 
> > Introduced by commit
> > 
> >   a2b3b9d57bdb ("drm/amd/display: Document pipe split policy")  
> 
> I am still seeing these warnings.

That is now commit

  ea76895ffab1 ("drm/amd/display: Document pipe split policy")

in the drm tree.

-- 
Cheers,
Stephen Rothwell

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linux-next: build warning after merge of the amdgpu tree

[Stephen Rothwell]

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Hi all,

After merging the amdgpu tree, today's linux-next build (htmldocs)
produced this warning:

drivers/gpu/drm/amd/display/dc/dc.h:848: warning: Function parameter or member 'lttpr_mode_override' not described in 'dc_debug_options'

Introduced by commit

  280f1884892f ("drm/amd/display: Add DC debug option to force LTTPR mode")

-- 
Cheers,
Stephen Rothwell

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Re: linux-next: build warning after merge of the amdgpu tree

[Stephen Rothwell]

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Hi all,

On Fri, 12 Aug 2022 08:13:47 +1000 Stephen Rothwell <sfr@canb.auug.org.au> wrote:
>
> After merging the amdgpu tree, today's linux-next build (htmldocs)
> produced this warning:
> 
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'always_scale' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'always_use_regamma' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'aux_wake_wa' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'avoid_vbios_exec_table' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'az_endpoint_mute_only' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'bandwidth_calcs_trace' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'bw_val_profile' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'clock_trace' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'cm_in_bypass' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'crb_alloc_policy' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'crb_alloc_policy_min_disp_count' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_48mhz_pwrdwn' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_clock_gate' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_dcc' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_dfs_bypass' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_dmcu' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_dpp_power_gate' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_dram_clock_change_vactive_support' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_dsc' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_dsc_edp' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_dsc_power_gate' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_dtb_ref_clk_switch' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_fams' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_fec' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_fixed_vs_aux_timeout_wa' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_hubp_power_gate' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_idle_power_optimizations' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_mem_low_power' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_min_fclk' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_pplib_clock_request' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_pplib_wm_range' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_psr' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_stereo_support' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_stutter' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_timing_sync' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_uhbr' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_z10' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_z9_mpc' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'dmcub_emulation' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'dml_disallow_alternate_prefetch_modes' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'dml_hostvm_override' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'dmub_command_table' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'dmub_offload_enabled' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'dpia_debug' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'dram_clock_change_latency_ns' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'dsc_bpp_increment_div' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'dsc_min_slice_height_override' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'dwb_fi_phase' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'edid_read_retry_times' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'enable_dmcub_surface_flip' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'enable_dmub_aux_for_legacy_ddc' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'enable_dp_dig_pixel_rate_div_policy' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'enable_dram_clock_change_one_display_vactive' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'enable_driver_sequence_debug' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'enable_mem_low_power' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'enable_single_display_2to1_odm_policy' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'enable_sw_cntl_psr' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'enable_tri_buf' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'enable_z9_disable_interface' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'exit_idle_opt_for_cursor_updates' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'extended_blank_optimization' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'fec_enable_delay_in100us' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'fixed_vs_aux_delay_config_wa' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'force_abm_enable' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'force_clock_mode' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'force_disable_subvp' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'force_dp2_lt_fallback_method' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'force_dsc_edp_policy' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'force_fclk_khz' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'force_min_dcfclk_mhz' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'force_odm_combine' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'force_odm_combine_4to1' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'force_single_disp_pipe_split' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'force_subvp_mclk_switch' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'force_usr_allow' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'force_vblank_alignment' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'hdmi20_disable' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'hpo_optimization' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'ignore_cable_id' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'legacy_dp2_lt' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'mall_additional_timer_percent' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'mall_error_as_fatal' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'mall_size_override' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'max_disp_clk' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'max_downscale_src_width' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'min_disp_clk_khz' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'min_dpp_clk_khz' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'min_dram_clk_khz' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'mst_start_top_delay' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'native422_support' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'optimize_edp_link_rate' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'optimized_watermark' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'percent_of_ideal_drambw' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'performance_trace' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'pplib_wm_report_mode' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'psr_power_use_phy_fsm' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'pstate_enabled' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'recovery_enabled' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'root_clock_optimization' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'sanity_checks' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'scl_reset_length10' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'seamless_boot_odm_combine' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'set_mst_en_for_sst' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'skip_detection_link_training' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'sr_enter_plus_exit_time_dpm0_ns' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'sr_enter_plus_exit_time_ns' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'sr_exit_time_dpm0_ns' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'sr_exit_time_ns' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'surface_trace' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'timing_trace' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'underflow_assert_delay_us' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'urgent_latency_ns' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'usbc_combo_phy_reset_wa' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'use_legacy_soc_bb_mechanism' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'use_max_lb' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'validate_dml_output' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'validation_trace' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'visual_confirm' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'visual_confirm_rect_height' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'voltage_align_fclk' not described in 'dc_debug_options'
> drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'vsr_support' not described in 'dc_debug_options'
> 
> Introduced by commit
> 
>   a2b3b9d57bdb ("drm/amd/display: Document pipe split policy")

I am still seeing these warnings.

-- 
Cheers,
Stephen Rothwell

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Re: linux-next: build warning after merge of the amdgpu tree

[Stephen Rothwell]

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Hi all,

On Thu, 11 Aug 2022 12:05:01 +1000 Stephen Rothwell <sfr@canb.auug.org.au> wrote:
> 
> After merging the amdgpu tree, today's linux-next build (htmldoc)
> produced this warning:
> 
> drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c:9951: warning: Excess function parameter 'aconnector' description in 'amdgpu_dm_update_freesync_caps'
> 
> Introduced by commit
> 
>   8889a13f99e5 ("drm/amd/display: Add some extra kernel doc to amdgpu_dm")

I am still seeing this warning.

-- 
Cheers,
Stephen Rothwell

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linux-next: build warning after merge of the amdgpu tree

[Stephen Rothwell]

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Hi all,

After merging the amdgpu tree, today's linux-next build (htmldocs)
produced this warning:

drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'always_scale' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'always_use_regamma' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'aux_wake_wa' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'avoid_vbios_exec_table' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'az_endpoint_mute_only' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'bandwidth_calcs_trace' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'bw_val_profile' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'clock_trace' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'cm_in_bypass' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'crb_alloc_policy' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'crb_alloc_policy_min_disp_count' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_48mhz_pwrdwn' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_clock_gate' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_dcc' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_dfs_bypass' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_dmcu' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_dpp_power_gate' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_dram_clock_change_vactive_support' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_dsc' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_dsc_edp' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_dsc_power_gate' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_dtb_ref_clk_switch' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_fams' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_fec' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_fixed_vs_aux_timeout_wa' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_hubp_power_gate' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_idle_power_optimizations' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_mem_low_power' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_min_fclk' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_pplib_clock_request' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_pplib_wm_range' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_psr' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_stereo_support' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_stutter' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_timing_sync' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_uhbr' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_z10' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_z9_mpc' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'dmcub_emulation' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'dml_disallow_alternate_prefetch_modes' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'dml_hostvm_override' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'dmub_command_table' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'dmub_offload_enabled' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'dpia_debug' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'dram_clock_change_latency_ns' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'dsc_bpp_increment_div' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'dsc_min_slice_height_override' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'dwb_fi_phase' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'edid_read_retry_times' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'enable_dmcub_surface_flip' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'enable_dmub_aux_for_legacy_ddc' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'enable_dp_dig_pixel_rate_div_policy' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'enable_dram_clock_change_one_display_vactive' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'enable_driver_sequence_debug' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'enable_mem_low_power' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'enable_single_display_2to1_odm_policy' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'enable_sw_cntl_psr' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'enable_tri_buf' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'enable_z9_disable_interface' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'exit_idle_opt_for_cursor_updates' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'extended_blank_optimization' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'fec_enable_delay_in100us' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'fixed_vs_aux_delay_config_wa' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'force_abm_enable' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'force_clock_mode' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'force_disable_subvp' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'force_dp2_lt_fallback_method' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'force_dsc_edp_policy' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'force_fclk_khz' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'force_min_dcfclk_mhz' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'force_odm_combine' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'force_odm_combine_4to1' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'force_single_disp_pipe_split' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'force_subvp_mclk_switch' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'force_usr_allow' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'force_vblank_alignment' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'hdmi20_disable' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'hpo_optimization' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'ignore_cable_id' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'legacy_dp2_lt' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'mall_additional_timer_percent' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'mall_error_as_fatal' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'mall_size_override' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'max_disp_clk' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'max_downscale_src_width' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'min_disp_clk_khz' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'min_dpp_clk_khz' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'min_dram_clk_khz' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'mst_start_top_delay' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'native422_support' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'optimize_edp_link_rate' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'optimized_watermark' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'percent_of_ideal_drambw' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'performance_trace' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'pplib_wm_report_mode' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'psr_power_use_phy_fsm' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'pstate_enabled' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'recovery_enabled' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'root_clock_optimization' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'sanity_checks' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'scl_reset_length10' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'seamless_boot_odm_combine' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'set_mst_en_for_sst' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'skip_detection_link_training' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'sr_enter_plus_exit_time_dpm0_ns' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'sr_enter_plus_exit_time_ns' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'sr_exit_time_dpm0_ns' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'sr_exit_time_ns' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'surface_trace' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'timing_trace' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'underflow_assert_delay_us' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'urgent_latency_ns' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'usbc_combo_phy_reset_wa' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'use_legacy_soc_bb_mechanism' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'use_max_lb' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'validate_dml_output' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'validation_trace' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'visual_confirm' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'visual_confirm_rect_height' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'voltage_align_fclk' not described in 'dc_debug_options'
drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'vsr_support' not described in 'dc_debug_options'

Introduced by commit

  a2b3b9d57bdb ("drm/amd/display: Document pipe split policy")

-- 
Cheers,
Stephen Rothwell

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linux-next: build warning after merge of the amdgpu tree

[Stephen Rothwell]

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Hi all,

After merging the amdgpu tree, today's linux-next build (htmldoc)
produced this warning:

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c:9951: warning: Excess function parameter 'aconnector' description in 'amdgpu_dm_update_freesync_caps'

Introduced by commit

  8889a13f99e5 ("drm/amd/display: Add some extra kernel doc to amdgpu_dm")

-- 
Cheers,
Stephen Rothwell

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linux-next: build warning after merge of the amdgpu tree

[Stephen Rothwell]

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Hi all,

After merging the amdgpu tree, today's linux-next build (htmldocs)
produced this warning:

drivers/gpu/drm/amd/amdgpu/amdgpu_device.c:5094: warning: expecting prototype for amdgpu_device_gpu_recover_imp(). Prototype was for amdgpu_device_gpu_recover() instead

Introduced by commit

  cf727044144d ("drm/amdgpu: Rename amdgpu_device_gpu_recover_imp back to amdgpu_device_gpu_recover")

-- 
Cheers,
Stephen Rothwell

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Re: linux-next: build warning after merge of the amdgpu tree

[Christian König]

Thanks for the notice, going to take a look.

Christian.

Am 25.03.22 um 09:07 schrieb Stephen Rothwell:
> Hi all,
>
> After merging the amdgpu tree, today's linux-next build (htmldocs)
> produced this warning:
>
> drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:94: warning: cannot understand function prototype: 'struct amdgpu_vm_tlb_seq_cb '
>
> Introduced by commit
>
>    0de6faf15895 ("drm/amdgpu: rework TLB flushing")
>
> Presumably caused by the kerneldoc like comment above the struct
> definition.
>

linux-next: build warning after merge of the amdgpu tree

[Stephen Rothwell]

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Hi all,

After merging the amdgpu tree, today's linux-next build (htmldocs)
produced this warning:

drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:94: warning: cannot understand function prototype: 'struct amdgpu_vm_tlb_seq_cb '

Introduced by commit

  0de6faf15895 ("drm/amdgpu: rework TLB flushing")

Presumably caused by the kerneldoc like comment above the struct
definition.

-- 
Cheers,
Stephen Rothwell

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linux-next: build warning after merge of the amdgpu tree

[Stephen Rothwell]

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Hi all,

After merging the amdgpu tree, today's linux-next build (x86_64
allmodconfig) produced this warning:

drivers/gpu/drm/amd/amdgpu/../display/dc/dce110/dce110_hw_sequencer.c: In function 'apply_single_controller_ctx_to_hw':
drivers/gpu/drm/amd/amdgpu/../display/dc/dce110/dce110_hw_sequencer.c:1495:20: warning: unused variable 'params' [-Wunused-variable]
 1495 |  struct drr_params params = {0};
      |                    ^~~~~~

Introduced by commit

  5de27e1d6755 ("drm/amd/display: Add DP 2.0 SST DC Support")

-- 
Cheers,
Stephen Rothwell

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Re: linux-next: build warning after merge of the amdgpu tree

[Eric Huang]

Thanks. I will fix it.

Regards,
Eric

On 2021-06-04 10:26 p.m., Stephen Rothwell wrote:
> Hi all,
>
> After merging the amdgpu tree, yesterday's linux-next build (htmldocs)
> produced this warning:
>
> drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1838: warning: Function parameter or member 'table_freed' not described in 'amdgpu_vm_bo_update'
>
> Introduced by commit
>
>    891069653f51 ("drm/amdgpu: Add table_freed parameter to amdgpu_vm_bo_update")
>

linux-next: build warning after merge of the amdgpu tree

[Stephen Rothwell]

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Hi all,

After merging the amdgpu tree, yesterday's linux-next build (htmldocs)
produced this warning:

drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1838: warning: Function parameter or member 'table_freed' not described in 'amdgpu_vm_bo_update'

Introduced by commit

  891069653f51 ("drm/amdgpu: Add table_freed parameter to amdgpu_vm_bo_update")

-- 
Cheers,
Stephen Rothwell

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linux-next: build warning after merge of the amdgpu tree

[Stephen Rothwell]

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Hi all,

After merging the amdgpu tree, today's linux-next build (htmldocs)
produced this warning:

include/drm/drm_atomic.h:908: warning: Function parameter or member '__state' not described in 'for_each_new_plane_in_state_reverse'
include/drm/drm_atomic.h:908: warning: Function parameter or member 'plane' not described in 'for_each_new_plane_in_state_reverse'
include/drm/drm_atomic.h:908: warning: Function parameter or member 'new_plane_state' not described in 'for_each_new_plane_in_state_reverse'
include/drm/drm_atomic.h:908: warning: Function parameter or member '__i' not described in 'for_each_new_plane_in_state_reverse'

Introduced by commit

  a6c3c37b661d ("drm/amd/display: fix gcc set but not used warning of variable 'old_plane_state'")

-- 
Cheers,
Stephen Rothwell

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linux-next: build warning after merge of the amdgpu tree

[Stephen Rothwell]

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Hi all,

After merging the amdgpu tree, today's linux-next build (x86_64
allmodconfig) produced this warning:

drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c: In function 'apply_dsc_policy_for_stream':
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:5576:24: warning: unused variable 'drm_connector' [-Wunused-variable]
 5576 |  struct drm_connector *drm_connector = &aconnector->base;
      |                        ^~~~~~~~~~~~~
At top level:
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:5572:13: warning: 'apply_dsc_policy_for_stream' defined but not used [-Wunused-function]
 5572 | static void apply_dsc_policy_for_stream(struct amdgpu_dm_connector *aconnector,
      |             ^~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:5556:13: warning: 'update_dsc_caps' defined but not used [-Wunused-function]
 5556 | static void update_dsc_caps(struct amdgpu_dm_connector *aconnector,
      |             ^~~~~~~~~~~~~~~

Introduced by commit

  998b7ad2efd4 ("drm/amd/display: Refactor SST DSC Determination Policy")

-- 
Cheers,
Stephen Rothwell

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Re: linux-next: build warning after merge of the amdgpu tree

[Stephen Rothwell]

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Hi Jude,

On Wed, 5 May 2021 01:08:48 +0000 "Shih, Jude" <Jude.Shih@amd.com> wrote:
>
> This function is used as below. This commit also passed the auto
> test. Is there anything different between our evnrionment?

The function is defined unconditionally, but only used if
CONFIG_DRM_AMD_DC_DCN is defined.
-- 
Cheers,
Stephen Rothwell

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linux-next: build warning after merge of the amdgpu tree

[Stephen Rothwell]

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Hi all,

After merging the amdgpu tree, today's linux-next build (x86_64
allmodconfig) produced this warning:

At top level:
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:633:13: warning: 'dm_dmub_outbox1_low_irq' defined but not used [-Wunused-function]
  633 | static void dm_dmub_outbox1_low_irq(void *interrupt_params)
      |             ^~~~~~~~~~~~~~~~~~~~~~~

Introduced by commit

  77a49c458931 ("drm/amd/display: Support for DMUB AUX")

-- 
Cheers,
Stephen Rothwell

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Re: linux-next: build warning after merge of the amdgpu tree

[Nirmoy]

Sorry about that and thanks Stephen, I will send a patch to fix the doc 
warning.


Regards,

Nirmoy

On 4/26/21 2:40 PM, Stephen Rothwell wrote:
> Hi all,
>
> After merging the amdgpu tree, today's linux-next build (htmldocs)
> produced this warning:
>
> drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:2808: warning: Excess function parameter 'vm_context' description in 'amdgpu_vm_init'
>
> Introduced by commit
>
>    a35455d065c5 ("drm/amdgpu: cleanup amdgpu_vm_init()")
>

linux-next: build warning after merge of the amdgpu tree

[Stephen Rothwell]

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Hi all,

After merging the amdgpu tree, today's linux-next build (htmldocs)
produced this warning:

drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:2808: warning: Excess function parameter 'vm_context' description in 'amdgpu_vm_init'

Introduced by commit

  a35455d065c5 ("drm/amdgpu: cleanup amdgpu_vm_init()")

-- 
Cheers,
Stephen Rothwell

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Re: linux-next: build warning after merge of the amdgpu tree

[Stephen Rothwell]

Hi Alex,

On Fri, 23 Apr 2021 16:36:50 -0400 Alex Deucher <alexdeucher@gmail.com> wrote:
>
> On Wed, Apr 21, 2021 at 2:40 AM Stephen Rothwell <sfr@canb.auug.org.au> wrote:
> >
> > On Fri, 16 Apr 2021 12:40:44 +1000 Stephen Rothwell <sfr@canb.auug.org.au> wrote:  
> > >
> > > After merging the amdgpu tree, today's linux-next build (powerpc
> > > ppc64_defconfig) produced this warning:
> > >
> > > drivers/pci/quirks.c: In function 'quirk_amd_nvme_fixup':
> > > drivers/pci/quirks.c:312:18: warning: unused variable 'rdev' [-Wunused-variable]
> > >   312 |  struct pci_dev *rdev;
> > >       |                  ^~~~
> > >
> > > Introduced by commit
> > >
> > >   9597624ef606 ("nvme: put some AMD PCIE downstream NVME device to simple suspend/resume path")  
> >
> > I am still seeing this warning.  
> 
> I no longer have that patch in my tree.  Was this an old build?

I guess my email crossed with the patch removal as I not longer get the
warning. Thanks.

-- 
Cheers,
Stephen Rothwell

Re: linux-next: build warning after merge of the amdgpu tree

[Alex Deucher]

On Wed, Apr 21, 2021 at 2:40 AM Stephen Rothwell <sfr@canb.auug.org.au> wrote:
>
> Hi all,
>
> On Fri, 16 Apr 2021 12:40:44 +1000 Stephen Rothwell <sfr@canb.auug.org.au> wrote:
> >
> > After merging the amdgpu tree, today's linux-next build (powerpc
> > ppc64_defconfig) produced this warning:
> >
> > drivers/pci/quirks.c: In function 'quirk_amd_nvme_fixup':
> > drivers/pci/quirks.c:312:18: warning: unused variable 'rdev' [-Wunused-variable]
> >   312 |  struct pci_dev *rdev;
> >       |                  ^~~~
> >
> > Introduced by commit
> >
> >   9597624ef606 ("nvme: put some AMD PCIE downstream NVME device to simple suspend/resume path")
>
> I am still seeing this warning.

I no longer have that patch in my tree.  Was this an old build?

Alex

>
> --
> Cheers,
> Stephen Rothwell

Re: linux-next: build warning after merge of the amdgpu tree

[Stephen Rothwell]

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Hi all,

On Fri, 16 Apr 2021 12:40:44 +1000 Stephen Rothwell <sfr@canb.auug.org.au> wrote:
>
> After merging the amdgpu tree, today's linux-next build (powerpc
> ppc64_defconfig) produced this warning:
> 
> drivers/pci/quirks.c: In function 'quirk_amd_nvme_fixup':
> drivers/pci/quirks.c:312:18: warning: unused variable 'rdev' [-Wunused-variable]
>   312 |  struct pci_dev *rdev;
>       |                  ^~~~
> 
> Introduced by commit
> 
>   9597624ef606 ("nvme: put some AMD PCIE downstream NVME device to simple suspend/resume path")

I am still seeing this warning.

-- 
Cheers,
Stephen Rothwell

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Re: linux-next: build warning after merge of the amdgpu tree

[Stephen Rothwell]

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Hi all,

On Mon, 22 Mar 2021 17:00:14 +1100 Stephen Rothwell <sfr@canb.auug.org.au> wrote:
>
> After merging the amdgpu tree, today's linux-next build (htmldocs)
> produced this warning:
> 
> drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:405: warning: Function parameter or member 'dmcub_trace_event_en' not described in 'amdgpu_display_manager'
> 
> Introduced by commit
> 
>   4057828a1283 ("drm/amd/display: Add debugfs to control DMUB trace buffer events")

I am still seeing this warning (as of next-20210420).  That is now
commit

  46a83eba276c ("drm/amd/display: Add debugfs to control DMUB trace buffer events")

in the drm tree.

-- 
Cheers,
Stephen Rothwell

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Re: linux-next: build warning after merge of the amdgpu tree

[Stephen Rothwell]

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Hi all,

On Thu, 11 Mar 2021 22:00:33 +1100 Stephen Rothwell <sfr@canb.auug.org.au> wrote:
> 
> After merging the amdgpu tree, today's linux-next build (htmldocs)
> produced this warning:
> 
> drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:143: warning: Function parameter or member 'list' not described in 'dal_allocation'
> drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:143: warning: Function parameter or member 'bo' not described in 'dal_allocation'
> drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:143: warning: Function parameter or member 'cpu_ptr' not described in 'dal_allocation'
> drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:143: warning: Function parameter or member 'gpu_addr' not described in 'dal_allocation'
> 
> Introduced by commit
> 
>   1ace37b873c2 ("drm/amdgpu/display: Implement functions to let DC allocate GPU memory")

I am still seeing these warnings (as of next-20210420).  That is now
commit

  0dd795323405 ("drm/amdgpu/display: Implement functions to let DC allocate GPU memory")

in the drm tree.
-- 
Cheers,
Stephen Rothwell

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Re: linux-next: build warning after merge of the amdgpu tree

[Alex Deucher]

On Fri, Apr 16, 2021 at 1:47 AM Liang, Prike <Prike.Liang@amd.com> wrote:
>
> [AMD Public Use]
>
> > From: Stephen Rothwell <sfr@canb.auug.org.au>
> > Sent: Friday, April 16, 2021 12:09 PM
> > To: Liang, Prike <Prike.Liang@amd.com>
> > Cc: Alex Deucher <alexdeucher@gmail.com>; S-k, Shyam-sundar <Shyam-
> > sundar.S-k@amd.com>; Linux Kernel Mailing List <linux-
> > kernel@vger.kernel.org>; Linux Next Mailing List <linux-next@vger.kernel.org>
> > Subject: Re: linux-next: build warning after merge of the amdgpu tree
> >
> > Hi,
> >
> > On Fri, 16 Apr 2021 03:12:12 +0000 "Liang, Prike" <Prike.Liang@amd.com>
> > wrote:
> > >
> > > Hi, Rothwell
> >
> > (Stephen, actually :-))
> >
> > > This fix solution hasn't locked down and still being discussed and roll-
> > updated in the NVMe mail group.
> > > Will update the patch once it refined done.
> >
> > In which case, this patch should not be in linux-next (or any branch that is
> > included by linux-next).
> >
> How about revert the patch temporally ? Once lock down the solution and will land in the final latest patch.

I'll drop it for now.  I just have it in there temporarily while it
makes its way upstream because a lot of people use this branch and it
fixes an important bug.

Alex

RE: linux-next: build warning after merge of the amdgpu tree

[Liang, Prike]

[AMD Public Use]

> From: Stephen Rothwell <sfr@canb.auug.org.au>
> Sent: Friday, April 16, 2021 12:09 PM
> To: Liang, Prike <Prike.Liang@amd.com>
> Cc: Alex Deucher <alexdeucher@gmail.com>; S-k, Shyam-sundar <Shyam-
> sundar.S-k@amd.com>; Linux Kernel Mailing List <linux-
> kernel@vger.kernel.org>; Linux Next Mailing List <linux-next@vger.kernel.org>
> Subject: Re: linux-next: build warning after merge of the amdgpu tree
>
> Hi,
>
> On Fri, 16 Apr 2021 03:12:12 +0000 "Liang, Prike" <Prike.Liang@amd.com>
> wrote:
> >
> > Hi, Rothwell
>
> (Stephen, actually :-))
>
> > This fix solution hasn't locked down and still being discussed and roll-
> updated in the NVMe mail group.
> > Will update the patch once it refined done.
>
> In which case, this patch should not be in linux-next (or any branch that is
> included by linux-next).
>
How about revert the patch temporally ? Once lock down the solution and will land in the final latest patch.
> --
> Cheers,
> Stephen Rothwell

Re: linux-next: build warning after merge of the amdgpu tree

[Stephen Rothwell]

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Hi,

On Fri, 16 Apr 2021 03:12:12 +0000 "Liang, Prike" <Prike.Liang@amd.com> wrote:
> 
> Hi, Rothwell

(Stephen, actually :-))

> This fix solution hasn't locked down and still being discussed and roll-updated in the NVMe mail group.
> Will update the patch once it refined done.

In which case, this patch should not be in linux-next (or any branch
that is included by linux-next).

-- 
Cheers,
Stephen Rothwell

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RE: linux-next: build warning after merge of the amdgpu tree

[Liang, Prike]

[AMD Public Use]

Hi, Rothwell

This fix solution hasn't locked down and still being discussed and roll-updated in the NVMe mail group.
Will update the patch once it refined done.

Thanks,
Prike
> -----Original Message-----
> From: Stephen Rothwell <sfr@canb.auug.org.au>
> Sent: Friday, April 16, 2021 10:41 AM
> To: Alex Deucher <alexdeucher@gmail.com>
> Cc: Liang, Prike <Prike.Liang@amd.com>; S-k, Shyam-sundar <Shyam-
> sundar.S-k@amd.com>; Linux Kernel Mailing List <linux-
> kernel@vger.kernel.org>; Linux Next Mailing List <linux-next@vger.kernel.org>
> Subject: linux-next: build warning after merge of the amdgpu tree
>
> Hi all,
>
> After merging the amdgpu tree, today's linux-next build (powerpc
> ppc64_defconfig) produced this warning:
>
> drivers/pci/quirks.c: In function 'quirk_amd_nvme_fixup':
> drivers/pci/quirks.c:312:18: warning: unused variable 'rdev' [-Wunused-
> variable]
>   312 |  struct pci_dev *rdev;
>       |                  ^~~~
>
> Introduced by commit
>
>   9597624ef606 ("nvme: put some AMD PCIE downstream NVME device to
> simple suspend/resume path")
>
> --
> Cheers,
> Stephen Rothwell

linux-next: build warning after merge of the amdgpu tree

[Stephen Rothwell]

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Hi all,

After merging the amdgpu tree, today's linux-next build (powerpc
ppc64_defconfig) produced this warning:

drivers/pci/quirks.c: In function 'quirk_amd_nvme_fixup':
drivers/pci/quirks.c:312:18: warning: unused variable 'rdev' [-Wunused-variable]
  312 |  struct pci_dev *rdev;
      |                  ^~~~

Introduced by commit

  9597624ef606 ("nvme: put some AMD PCIE downstream NVME device to simple suspend/resume path")

-- 
Cheers,
Stephen Rothwell

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linux-next: build warning after merge of the amdgpu tree

[Stephen Rothwell]

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Hi all,

After merging the amdgpu tree, today's linux-next build (htmldocs)
produced this warning:

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:398: warning: Incorrect use of kernel-doc format:          * @crc_rd_wrk

Introduced by commit

  bbf514b0c626 ("drm/amd/display: Add kernel doc to crc_rd_wrk field")

It is missing a ':' after 'crc_rd_wrk'.

-- 
Cheers,
Stephen Rothwell

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linux-next: build warning after merge of the amdgpu tree

[Stephen Rothwell]

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Hi all,

After merging the amdgpu tree, today's linux-next build (x86_64
allmodconfig) produced this warning:

drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:926:13: warning: 'dm_dmub_trace_high_irq' defined but not used [-Wunused-function]
  926 | static void dm_dmub_trace_high_irq(void *interrupt_params)
      |             ^~~~~~~~~~~~~~~~~~~~~~

Introduced by commit

  44a76bac327c ("drm/amd/display: Log DMCUB trace buffer events")

-- 
Cheers,
Stephen Rothwell

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linux-next: build warning after merge of the amdgpu tree

[Stephen Rothwell]

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Hi all,

After merging the amdgpu tree, today's linux-next build (htmldocs)
produced this warning:

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:405: warning: Function parameter or member 'dmcub_trace_event_en' not described in 'amdgpu_display_manager'

Introduced by commit

  4057828a1283 ("drm/amd/display: Add debugfs to control DMUB trace buffer events")

-- 
Cheers,
Stephen Rothwell

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linux-next: build warning after merge of the amdgpu tree

[Stephen Rothwell]

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Hi all,

After merging the amdgpu tree, today's linux-next build (htmldocs)
produced this warning:

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:143: warning: Function parameter or member 'list' not described in 'dal_allocation'
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:143: warning: Function parameter or member 'bo' not described in 'dal_allocation'
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:143: warning: Function parameter or member 'cpu_ptr' not described in 'dal_allocation'
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:143: warning: Function parameter or member 'gpu_addr' not described in 'dal_allocation'

Introduced by commit

  1ace37b873c2 ("drm/amdgpu/display: Implement functions to let DC allocate GPU memory")

-- 
Cheers,
Stephen Rothwell

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linux-next: build warning after merge of the amdgpu tree

[Stephen Rothwell]

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Hi all,

After merging the amdgpu tree, today's linux-next build (htmldocs)
produced this warning:

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:380: warning: Function parameter or member 'crc_rd_wrk' not described in 'amdgpu_display_manager'

Introduced by commit

  9a65df193108 ("drm/amd/display: Use PSP TA to read out crc")

-- 
Cheers,
Stephen Rothwell

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linux-next: build warning after merge of the amdgpu tree

[Stephen Rothwell]

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Hi all,

After merging the amdgpu tree, today's linux-next build (htmldocs)
produced this warning:

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c:86: warning: Function parameter or member 'work' not described in 'amdgpu_dm_irq_handler_data'

Introduced by commit

  b6f91fc183f7 ("drm/amdgpu/display: buffer INTERRUPT_LOW_IRQ_CONTEXT interrupt work")

-- 
Cheers,
Stephen Rothwell

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linux-next: build warning after merge of the amdgpu tree

[Stephen Rothwell]

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Hi all,

After merging the amdgpu tree, today's linux-next build (x86_64
allmodconfig) produced this warning:

drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c: In function 'dm_set_vblank':
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:5439:33: warning: unused variable 'dm' [-Wunused-variable]
 5439 |  struct amdgpu_display_manager *dm = &adev->dm;
      |                                 ^~

Introduced by commit

  3cfd14b67b2c ("drm/amd/display: Fix system hang after multiple hotplugs (v2)")

-- 
Cheers,
Stephen Rothwell

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Re: linux-next: build warning after merge of the amdgpu tree

[Daniel Vetter]

On Thu, Jan 21, 2021 at 4:07 AM Alex Deucher <alexdeucher@gmail.com> wrote:
>
> On Wed, Jan 20, 2021 at 7:53 PM Stephen Rothwell <sfr@canb.auug.org.au> wrote:
> >
> > Hi all,
> >
> > On Wed, 20 Jan 2021 17:15:01 +1100 Stephen Rothwell <sfr@canb.auug.org.au> wrote:
> > >
> > > On Fri, 15 Jan 2021 12:00:14 +1100 Stephen Rothwell <sfr@canb.auug.org.au> wrote:
> > > >
> > > > After merging the amdgpu tree, today's linux-next build (x86_64
> > > > allmodconfig) failed like this:
> > > >
> > > > drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c: In function 'dm_set_vblank':
> > > > drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:5380:33: warning: unused variable 'dm' [-Wunused-variable]
> > > >  5380 |  struct amdgpu_display_manager *dm = &adev->dm;
> > > >       |                                 ^~
> > > >
> > > > Caused by commit
> > > >
> > > >   98ab5f3513f9 ("drm/amd/display: Fix deadlock during gpu reset v3")
> > >
> > > I am still getting this warning.
> >
> > I now get this warning from the drm tree merge.

Drat, I missed that when merging.

> Bhawan sent out the fix today:
> https://patchwork.freedesktop.org/patch/415092/

Applied directly to drm-next, thanks.
-Daniel

>
> Alex
>
> >
> > --
> > Cheers,
> > Stephen Rothwell
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel



-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch

Re: linux-next: build warning after merge of the amdgpu tree

[Alex Deucher]

On Wed, Jan 20, 2021 at 7:53 PM Stephen Rothwell <sfr@canb.auug.org.au> wrote:
>
> Hi all,
>
> On Wed, 20 Jan 2021 17:15:01 +1100 Stephen Rothwell <sfr@canb.auug.org.au> wrote:
> >
> > On Fri, 15 Jan 2021 12:00:14 +1100 Stephen Rothwell <sfr@canb.auug.org.au> wrote:
> > >
> > > After merging the amdgpu tree, today's linux-next build (x86_64
> > > allmodconfig) failed like this:
> > >
> > > drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c: In function 'dm_set_vblank':
> > > drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:5380:33: warning: unused variable 'dm' [-Wunused-variable]
> > >  5380 |  struct amdgpu_display_manager *dm = &adev->dm;
> > >       |                                 ^~
> > >
> > > Caused by commit
> > >
> > >   98ab5f3513f9 ("drm/amd/display: Fix deadlock during gpu reset v3")
> >
> > I am still getting this warning.
>
> I now get this warning from the drm tree merge.

Bhawan sent out the fix today:
https://patchwork.freedesktop.org/patch/415092/

Alex

>
> --
> Cheers,
> Stephen Rothwell

Re: linux-next: build warning after merge of the amdgpu tree

[Stephen Rothwell]

[-- Attachment #1: Type: text/plain, Size: 863 bytes --]

Hi all,

On Wed, 20 Jan 2021 17:15:01 +1100 Stephen Rothwell <sfr@canb.auug.org.au> wrote:
>
> On Fri, 15 Jan 2021 12:00:14 +1100 Stephen Rothwell <sfr@canb.auug.org.au> wrote:
> > 
> > After merging the amdgpu tree, today's linux-next build (x86_64
> > allmodconfig) failed like this:
> > 
> > drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c: In function 'dm_set_vblank':
> > drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:5380:33: warning: unused variable 'dm' [-Wunused-variable]
> >  5380 |  struct amdgpu_display_manager *dm = &adev->dm;
> >       |                                 ^~
> > 
> > Caused by commit
> > 
> >   98ab5f3513f9 ("drm/amd/display: Fix deadlock during gpu reset v3")  
> 
> I am still getting this warning.

I now get this warning from the drm tree merge.

-- 
Cheers,
Stephen Rothwell

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Re: linux-next: build warning after merge of the amdgpu tree

[Stephen Rothwell]

[-- Attachment #1: Type: text/plain, Size: 694 bytes --]

Hi all,

On Fri, 15 Jan 2021 12:00:14 +1100 Stephen Rothwell <sfr@canb.auug.org.au> wrote:
> 
> After merging the amdgpu tree, today's linux-next build (x86_64
> allmodconfig) failed like this:
> 
> drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c: In function 'dm_set_vblank':
> drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:5380:33: warning: unused variable 'dm' [-Wunused-variable]
>  5380 |  struct amdgpu_display_manager *dm = &adev->dm;
>       |                                 ^~
> 
> Caused by commit
> 
>   98ab5f3513f9 ("drm/amd/display: Fix deadlock during gpu reset v3")

I am still getting this warning.

-- 
Cheers,
Stephen Rothwell

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Re: linux-next: build warning after merge of the amdgpu tree

[Huang Rui]

On Mon, Jan 18, 2021 at 02:52:18PM +0800, Stephen Rothwell wrote:
> Hi Ray,
> 
> On Mon, 18 Jan 2021 05:56:20 +0000 "Huang, Ray" <Ray.Huang@amd.com> wrote:
> >
> > [AMD Public Use]
> > 
> > Thanks Setphen. Please check attached V2 patch.
> > (If you can share the config file to me, I can do the test in my side)
> 
> It looks good, but I did not try to build it.  I have attached the
> config (it is just a powerpc allyesconfig).
> -- 
> Cheers,
> Stephen Rothwell

Thanks Stephen.

Ray

Re: linux-next: build warning after merge of the amdgpu tree

[Stephen Rothwell]

[-- Attachment #1.1: Type: text/plain, Size: 386 bytes --]

Hi Ray,

On Mon, 18 Jan 2021 05:56:20 +0000 "Huang, Ray" <Ray.Huang@amd.com> wrote:
>
> [AMD Public Use]
> 
> Thanks Setphen. Please check attached V2 patch.
> (If you can share the config file to me, I can do the test in my side)

It looks good, but I did not try to build it.  I have attached the
config (it is just a powerpc allyesconfig).
-- 
Cheers,
Stephen Rothwell

[-- Attachment #1.2: powerpc_allyesconfig.gz --]
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RE: linux-next: build warning after merge of the amdgpu tree

[Huang, Ray]

[-- Attachment #1: Type: text/plain, Size: 1055 bytes --]

[AMD Public Use]

Thanks Setphen. Please check attached V2 patch.
(If you can share the config file to me, I can do the test in my side)

Best Regards,
Ray

-----Original Message-----
From: Stephen Rothwell <sfr@canb.auug.org.au> 
Sent: Monday, January 18, 2021 1:29 PM
To: Alex Deucher <alexdeucher@gmail.com>
Cc: Huang, Ray <Ray.Huang@amd.com>; Linux Kernel Mailing List <linux-kernel@vger.kernel.org>; Linux Next Mailing List <linux-next@vger.kernel.org>
Subject: linux-next: build warning after merge of the amdgpu tree

Hi all,

After merging the amdgpu tree, today's linux-next build (powerpc
allyesconfig) gave this warning:

drivers/gpu/drm/amd/amdgpu/../pm/swsmu/smu11/vangogh_ppt.c: In function 'vangogh_init_smc_tables':
drivers/gpu/drm/amd/amdgpu/../pm/swsmu/smu11/vangogh_ppt.c:338:5: warning: "CONFIG_X86" is not defined, evaluates to 0 [-Wundef]
  338 | #if CONFIG_X86
      |     ^~~~~~~~~~

Caused by commit

  9dd19d5232a6 ("drm/amdgpu: fix build error without x86 kconfig")

-- 
Cheers,
Stephen Rothwell

[-- Attachment #2: 0001-drm-amdgpu-fix-build-error-without-x86-kconfig-v2.patch --]
[-- Type: application/octet-stream, Size: 5386 bytes --]

From 29632df8458b549b32eb655d6e75c47d66ced85d Mon Sep 17 00:00:00 2001
From: Huang Rui <ray.huang@amd.com>
Date: Fri, 15 Jan 2021 15:59:08 +0800
Subject: [PATCH v2] drm/amdgpu: fix build error without x86 kconfig (v2)

This patch is to fix below build error while we are using the kconfig
without x86.

drivers/gpu/drm/amd/amdgpu/../pm/swsmu/smu11/vangogh_ppt.c: In function
'vangogh_get_smu_metrics_data':
drivers/gpu/drm/amd/amdgpu/../pm/swsmu/smu11/vangogh_ppt.c:300:10:
error: 'boot_cpu_data' undeclared (first use in this function); did you
mean 'boot_cpuid'?
  300 |          boot_cpu_data.x86_max_cores * sizeof(uint16_t));
      |          ^~~~~~~~~~~~~
      |          boot_cpuid
drivers/gpu/drm/amd/amdgpu/../pm/swsmu/smu11/vangogh_ppt.c: In function
'vangogh_read_sensor':
drivers/gpu/drm/amd/amdgpu/../pm/swsmu/smu11/vangogh_ppt.c:1320:11:
error: 'boot_cpu_data' undeclared (first use in this function); did you
mean 'boot_cpuid'?
 1320 |   *size = boot_cpu_data.x86_max_cores * sizeof(uint16_t);
      |           ^~~~~~~~~~~~~
      |           boot_cpuid
drivers/gpu/drm/amd/amdgpu/../pm/swsmu/smu11/vangogh_ppt.c: In function
'vangogh_od_edit_dpm_table':
drivers/gpu/drm/amd/amdgpu/../pm/swsmu/smu11/vangogh_ppt.c:1460:19:
error: 'boot_cpu_data' undeclared (first use in this function); did you
mean 'boot_cpuid'?
 1460 |   if (input[0] >= boot_cpu_data.x86_max_cores) {
      |                   ^~~~~~~~~~~~~
      |                   boot_cpuid

v2: fix #ifdef and add comment for APU only

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
---
 drivers/gpu/drm/amd/pm/amdgpu_pm.c              |  4 ++--
 drivers/gpu/drm/amd/pm/inc/amdgpu_smu.h         |  2 ++
 .../gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c    | 17 ++++++++++++-----
 3 files changed, 16 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/amd/pm/amdgpu_pm.c b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
index 80d6298912aa..e9b569b76716 100644
--- a/drivers/gpu/drm/amd/pm/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
@@ -3633,12 +3633,12 @@ static void amdgpu_debugfs_prints_cpu_info(struct seq_file *m,
 	int i;
 
 	if (is_support_cclk_dpm(adev)) {
-		p_val = kcalloc(boot_cpu_data.x86_max_cores, sizeof(uint16_t),
+		p_val = kcalloc(adev->smu.cpu_core_num, sizeof(uint16_t),
 				GFP_KERNEL);
 
 		if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_CPU_CLK,
 					    (void *)p_val, &size)) {
-			for (i = 0; i < boot_cpu_data.x86_max_cores; i++)
+			for (i = 0; i < adev->smu.cpu_core_num; i++)
 				seq_printf(m, "\t%u MHz (CPU%d)\n",
 					   *(p_val + i), i);
 		}
diff --git a/drivers/gpu/drm/amd/pm/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/pm/inc/amdgpu_smu.h
index 25ee9f51813b..a087e00382e6 100644
--- a/drivers/gpu/drm/amd/pm/inc/amdgpu_smu.h
+++ b/drivers/gpu/drm/amd/pm/inc/amdgpu_smu.h
@@ -466,11 +466,13 @@ struct smu_context
 	uint32_t gfx_actual_hard_min_freq;
 	uint32_t gfx_actual_soft_max_freq;
 
+	/* APU only */
 	uint32_t cpu_default_soft_min_freq;
 	uint32_t cpu_default_soft_max_freq;
 	uint32_t cpu_actual_soft_min_freq;
 	uint32_t cpu_actual_soft_max_freq;
 	uint32_t cpu_core_id_select;
+	uint16_t cpu_core_num;
 };
 
 struct i2c_adapter;
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c
index 2f0cb0ea243b..dc41abe7b1d3 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c
@@ -297,7 +297,7 @@ static int vangogh_get_smu_metrics_data(struct smu_context *smu,
 		break;
 	case METRICS_AVERAGE_CPUCLK:
 		memcpy(value, &metrics->CoreFrequency[0],
-		       boot_cpu_data.x86_max_cores * sizeof(uint16_t));
+		       smu->cpu_core_num * sizeof(uint16_t));
 		break;
 	default:
 		*value = UINT_MAX;
@@ -335,6 +335,13 @@ static int vangogh_init_smc_tables(struct smu_context *smu)
 	if (ret)
 		return ret;
 
+#ifdef CONFIG_X86
+	/* AMD x86 APU only */
+	smu->cpu_core_num = boot_cpu_data.x86_max_cores;
+#else
+	smu->cpu_core_num = 4;
+#endif
+
 	return smu_v11_0_init_smc_tables(smu);
 }
 
@@ -1317,7 +1324,7 @@ static int vangogh_read_sensor(struct smu_context *smu,
 		ret = vangogh_get_smu_metrics_data(smu,
 						   METRICS_AVERAGE_CPUCLK,
 						   (uint32_t *)data);
-		*size = boot_cpu_data.x86_max_cores * sizeof(uint16_t);
+		*size = smu->cpu_core_num * sizeof(uint16_t);
 		break;
 	default:
 		ret = -EOPNOTSUPP;
@@ -1457,9 +1464,9 @@ static int vangogh_od_edit_dpm_table(struct smu_context *smu, enum PP_OD_DPM_TAB
 			dev_err(smu->adev->dev, "Input parameter number not correct (should be 4 for processor)\n");
 			return -EINVAL;
 		}
-		if (input[0] >= boot_cpu_data.x86_max_cores) {
+		if (input[0] >= smu->cpu_core_num) {
 			dev_err(smu->adev->dev, "core index is overflow, should be less than %d\n",
-				boot_cpu_data.x86_max_cores);
+				smu->cpu_core_num);
 		}
 		smu->cpu_core_id_select = input[0];
 		if (input[1] == 0) {
@@ -1535,7 +1542,7 @@ static int vangogh_od_edit_dpm_table(struct smu_context *smu, enum PP_OD_DPM_TAB
 				break;
 			}
 
-			for (i = 0; i < boot_cpu_data.x86_max_cores; i++) {
+			for (i = 0; i < smu->cpu_core_num; i++) {
 				ret = smu_cmn_send_smc_msg_with_param(smu, SMU_MSG_SetSoftMinCclk,
 								      (i << 20) | smu->cpu_actual_soft_min_freq,
 								      NULL);
-- 
2.25.1

linux-next: build warning after merge of the amdgpu tree

[Stephen Rothwell]

[-- Attachment #1: Type: text/plain, Size: 515 bytes --]

Hi all,

After merging the amdgpu tree, today's linux-next build (powerpc
allyesconfig) gave this warning:

drivers/gpu/drm/amd/amdgpu/../pm/swsmu/smu11/vangogh_ppt.c: In function 'vangogh_init_smc_tables':
drivers/gpu/drm/amd/amdgpu/../pm/swsmu/smu11/vangogh_ppt.c:338:5: warning: "CONFIG_X86" is not defined, evaluates to 0 [-Wundef]
  338 | #if CONFIG_X86
      |     ^~~~~~~~~~

Caused by commit

  9dd19d5232a6 ("drm/amdgpu: fix build error without x86 kconfig")

-- 
Cheers,
Stephen Rothwell

[-- Attachment #2: OpenPGP digital signature --]
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linux-next: build warning after merge of the amdgpu tree

[Stephen Rothwell]

[-- Attachment #1: Type: text/plain, Size: 549 bytes --]

Hi all,

After merging the amdgpu tree, today's linux-next build (x86_64
allmodconfig) failed like this:

drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c: In function 'dm_set_vblank':
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:5380:33: warning: unused variable 'dm' [-Wunused-variable]
 5380 |  struct amdgpu_display_manager *dm = &adev->dm;
      |                                 ^~

Caused by commit

  98ab5f3513f9 ("drm/amd/display: Fix deadlock during gpu reset v3")

-- 
Cheers,
Stephen Rothwell

[-- Attachment #2: OpenPGP digital signature --]
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Re: linux-next: build warning after merge of the amdgpu tree

[Stephen Rothwell]

[-- Attachment #1: Type: text/plain, Size: 1226 bytes --]

Hi all,

On Tue, 15 Dec 2020 06:56:08 +1100 Stephen Rothwell <sfr@canb.auug.org.au> wrote:
>
> On Tue, 17 Nov 2020 15:45:14 +1100 Stephen Rothwell <sfr@canb.auug.org.au> wrote:
> >
> > After merging the amdgpu tree, today's linux-next build (htmldocs)
> > produced this warning:
> > 
> > drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:353: warning: Function parameter or member 'crc_win_x_start_property' not described in 'amdgpu_display_manager'
> > drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:353: warning: Function parameter or member 'crc_win_y_start_property' not described in 'amdgpu_display_manager'
> > drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:353: warning: Function parameter or member 'crc_win_x_end_property' not described in 'amdgpu_display_manager'
> > drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:353: warning: Function parameter or member 'crc_win_y_end_property' not described in 'amdgpu_display_manager'
> > 
> > Introduced by commit
> > 
> >   c920888c604d ("drm/amd/display: Expose new CRC window property")  
> 
> I am still getting those warnings.  That commit is now in the drm tree.

These warnings are now from Linus' tree.

-- 
Cheers,
Stephen Rothwell

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Re: linux-next: build warning after merge of the amdgpu tree

[Stephen Rothwell]

[-- Attachment #1: Type: text/plain, Size: 1062 bytes --]

Hi all,

On Tue, 17 Nov 2020 15:45:14 +1100 Stephen Rothwell <sfr@canb.auug.org.au> wrote:
>
> After merging the amdgpu tree, today's linux-next build (htmldocs)
> produced this warning:
> 
> drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:353: warning: Function parameter or member 'crc_win_x_start_property' not described in 'amdgpu_display_manager'
> drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:353: warning: Function parameter or member 'crc_win_y_start_property' not described in 'amdgpu_display_manager'
> drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:353: warning: Function parameter or member 'crc_win_x_end_property' not described in 'amdgpu_display_manager'
> drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:353: warning: Function parameter or member 'crc_win_y_end_property' not described in 'amdgpu_display_manager'
> 
> Introduced by commit
> 
>   c920888c604d ("drm/amd/display: Expose new CRC window property")

I am still getting those warnings.  That commit is now in the drm tree.
-- 
Cheers,
Stephen Rothwell

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linux-next: build warning after merge of the amdgpu tree

[Stephen Rothwell]

[-- Attachment #1: Type: text/plain, Size: 881 bytes --]

Hi all,

After merging the amdgpu tree, today's linux-next build (htmldocs)
produced this warning:

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:353: warning: Function parameter or member 'crc_win_x_start_property' not described in 'amdgpu_display_manager'
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:353: warning: Function parameter or member 'crc_win_y_start_property' not described in 'amdgpu_display_manager'
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:353: warning: Function parameter or member 'crc_win_x_end_property' not described in 'amdgpu_display_manager'
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:353: warning: Function parameter or member 'crc_win_y_end_property' not described in 'amdgpu_display_manager'

Introduced by commit

  c920888c604d ("drm/amd/display: Expose new CRC window property")

-- 
Cheers,
Stephen Rothwell

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linux-next: build warning after merge of the amdgpu tree

[Stephen Rothwell]

[-- Attachment #1: Type: text/plain, Size: 774 bytes --]

Hi all,

After merging the amdgpu tree, today's linux-next build (x86_64
allmodconfig) produced this warning:

drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c: In function 'gfx_v8_0_ring_emit_rreg':
drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c:6396:21: warning: unused variable 'kiq' [-Wunused-variable]
 6396 |  struct amdgpu_kiq *kiq = &adev->gfx.kiq;
      |                     ^~~
drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c: In function 'gfx_v10_0_ring_emit_rreg':
drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c:7608:21: warning: unused variable 'kiq' [-Wunused-variable]
 7608 |  struct amdgpu_kiq *kiq = &adev->gfx.kiq;
      |                     ^~~

Introduced by commit

  5e25f26086f6 ("drm/amdgpu: request reg_val_offs each kiq read reg")

-- 
Cheers,
Stephen Rothwell

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linux-next: build warning after merge of the amdgpu tree

[Stephen Rothwell]

[-- Attachment #1: Type: text/plain, Size: 1025 bytes --]

Hi all,

After merging the amdgpu tree, today's linux-next build (x86_64
allmodconfig) produced this warning:

drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c: In function 'amdgpu_xgmi_remove_device':
drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c:466:3: warning: 'return' with no value, in function returning non-void [-Wreturn-type]
  466 |   return;
      |   ^~~~~~
drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c:461:5: note: declared here
  461 | int amdgpu_xgmi_remove_device(struct amdgpu_device *adev)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c:470:3: warning: 'return' with no value, in function returning non-void [-Wreturn-type]
  470 |   return;
      |   ^~~~~~
drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c:461:5: note: declared here
  461 | int amdgpu_xgmi_remove_device(struct amdgpu_device *adev)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~

Introduced by commit

  2fe4750e8506 ("drm/amdgpu: move xgmi init/fini to xgmi_add/remove_device call")

-- 
Cheers,
Stephen Rothwell

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linux-next: build warning after merge of the amdgpu tree

[Stephen Rothwell]

[-- Attachment #1: Type: text/plain, Size: 497 bytes --]

Hi all,

After merging the amdgpu tree, today's linux-next build (x86_64
allmodconfig) produced this warning:

drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c: In function 'vcn_v2_5_hw_init':
drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c:288:5: warning: 'r' may be used uninitialized in this function [-Wmaybe-uninitialized]
  288 |  if (!r)
      |     ^

Introduced by commit

  99bcbf833e6a ("drm/amdgpu: enable VCN0 and VCN1 sriov instances support for Arcturus")

-- 
Cheers,
Stephen Rothwell

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linux-next: build warning after merge of the amdgpu tree

[Stephen Rothwell]

[-- Attachment #1: Type: text/plain, Size: 510 bytes --]

Hi all,

After merging the amdgpu tree, today's linux-next build (x86_64
allmodconfig) produced this warning:

drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:503:13: warning: 'dm_dcn_crtc_high_irq' defined but not used [-Wunused-function]
  503 | static void dm_dcn_crtc_high_irq(void *interrupt_params)
      |             ^~~~~~~~~~~~~~~~~~~~

Introduced by commit

  75856c84993d ("drm/amd/display: Send vblank and user events at vsartup for DCN")

-- 
Cheers,
Stephen Rothwell

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linux-next: build warning after merge of the amdgpu tree

[Stephen Rothwell]

[-- Attachment #1: Type: text/plain, Size: 460 bytes --]

Hi all,

After merging the amdgpu tree, today's linux-next build (x86_64
allmodcnofig) produced this warning:

drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_device.c: In function 'kgd2kfd_probe':
drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_device.c:490:6: warning: unused variable 'ret' [-Wunused-variable]
  int ret;
      ^~~

Introduced by commit

  aabf3a951c4e ("drm/amdkfd: remove duplicated PCIE atomics request")

-- 
Cheers,
Stephen Rothwell

[-- Attachment #2: OpenPGP digital signature --]
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Re: linux-next: build warning after merge of the amdgpu tree

[Stephen Rothwell]

[-- Attachment #1: Type: text/plain, Size: 968 bytes --]

Hi all,

On Fri, 10 May 2019 10:59:13 +1000 Stephen Rothwell <sfr@canb.auug.org.au> wrote:
>
> After merging the amdgpu tree, today's linux-next build (x86_64
> allmodconfig) produced this warning:
> 
> In file included from drivers/gpu/drm/amd/amdgpu/df_v3_6.c:23:
> drivers/gpu/drm/amd/amdgpu/df_v3_6.c: In function 'df_v3_6_pmc_start':
> drivers/gpu/drm/amd/amdgpu/amdgpu.h:1010:29: warning: 'lo_val' may be used uninitialized in this function [-Wmaybe-uninitialized]
>  #define WREG32_PCIE(reg, v) adev->pcie_wreg(adev, (reg), (v))
>                              ^~~~
> drivers/gpu/drm/amd/amdgpu/df_v3_6.c:334:39: note: 'lo_val' was declared here
>   uint32_t lo_base_addr, hi_base_addr, lo_val, hi_val;
>                                        ^~~~~~
> 
> Introduced by commit
> 
>   a6ac0b44bab9 ("drm/amdgpu: add df perfmon regs and funcs for xgmi")

I now get this warning after merging the drm tree ...

-- 
Cheers,
Stephen Rothwell

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linux-next: build warning after merge of the amdgpu tree

[Stephen Rothwell]

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Hi all,

After merging the amdgpu tree, today's linux-next build (x86_64
allmodconfig) produced this warning:

In file included from drivers/gpu/drm/amd/amdgpu/df_v3_6.c:23:
drivers/gpu/drm/amd/amdgpu/df_v3_6.c: In function 'df_v3_6_pmc_start':
drivers/gpu/drm/amd/amdgpu/amdgpu.h:1010:29: warning: 'lo_val' may be used uninitialized in this function [-Wmaybe-uninitialized]
 #define WREG32_PCIE(reg, v) adev->pcie_wreg(adev, (reg), (v))
                             ^~~~
drivers/gpu/drm/amd/amdgpu/df_v3_6.c:334:39: note: 'lo_val' was declared here
  uint32_t lo_base_addr, hi_base_addr, lo_val, hi_val;
                                       ^~~~~~

Introduced by commit

  a6ac0b44bab9 ("drm/amdgpu: add df perfmon regs and funcs for xgmi")

-- 
Cheers,
Stephen Rothwell

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