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From: Hariprasad Kelam <hariprasad.kelam@gmail.com>
To: "Harry Wentland" <harry.wentland@amd.com>,
"Leo Li" <sunpeng.li@amd.com>,
"Alex Deucher" <alexander.deucher@amd.com>,
"Christian König" <christian.koenig@amd.com>,
"David (ChunMing) Zhou" <David1.Zhou@amd.com>,
"David Airlie" <airlied@linux.ie>,
"Daniel Vetter" <daniel@ffwll.ch>,
"Charlene Liu" <charlene.liu@amd.com>,
"Nicholas Kazlauskas" <nicholas.kazlauskas@amd.com>,
"Hariprasad Kelam" <hariprasad.kelam@gmail.com>,
"Ken Chalmers" <ken.chalmers@amd.com>,
amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org,
linux-kernel@vger.kernel.org
Subject: [PATCH] drm/amd/display: fix possible condition with no effect (if == else)
Date: Sat, 25 May 2019 23:24:23 +0530 [thread overview]
Message-ID: <20190525175423.GA27834@hari-Inspiron-1545> (raw)
fix below warning reported by coccicheck
./drivers/gpu/drm/amd/display/dc/calcs/dce_calcs.c:1364:3-5: WARNING:
possible condition with no effect (if == else)
Signed-off-by: Hariprasad Kelam <hariprasad.kelam@gmail.com>
---
drivers/gpu/drm/amd/display/dc/calcs/dce_calcs.c | 8 +-------
1 file changed, 1 insertion(+), 7 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/calcs/dce_calcs.c b/drivers/gpu/drm/amd/display/dc/calcs/dce_calcs.c
index f3aa7b5..0706ced 100644
--- a/drivers/gpu/drm/amd/display/dc/calcs/dce_calcs.c
+++ b/drivers/gpu/drm/amd/display/dc/calcs/dce_calcs.c
@@ -1361,13 +1361,7 @@ static void calculate_bandwidth(
/*if stutter and dram clock state change are gated before cursor then the cursor latency hiding does not limit stutter or dram clock state change*/
for (i = 0; i <= maximum_number_of_surfaces - 1; i++) {
if (data->enable[i]) {
- if (dceip->graphics_lb_nodownscaling_multi_line_prefetching == 1) {
- data->maximum_latency_hiding[i] = bw_add(data->minimum_latency_hiding[i], bw_mul(bw_frc_to_fixed(5, 10), data->total_dmifmc_urgent_latency));
- }
- else {
- /*maximum_latency_hiding(i) = minimum_latency_hiding(i) + 1 / vsr(i) * h_total(i) / pixel_rate(i) + 0.5 * total_dmifmc_urgent_latency*/
- data->maximum_latency_hiding[i] = bw_add(data->minimum_latency_hiding[i], bw_mul(bw_frc_to_fixed(5, 10), data->total_dmifmc_urgent_latency));
- }
+ data->maximum_latency_hiding[i] = bw_add(data->minimum_latency_hiding[i], bw_mul(bw_frc_to_fixed(5, 10), data->total_dmifmc_urgent_latency));
data->maximum_latency_hiding_with_cursor[i] = bw_min2(data->maximum_latency_hiding[i], data->cursor_latency_hiding[i]);
}
}
--
2.7.4
reply other threads:[~2019-05-25 17:54 UTC|newest]
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