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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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