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Date: Sat, 25 May 2019 23:24:23 +0530 From: Hariprasad Kelam <hariprasad.kelam@...il.com> To: Harry Wentland <harry.wentland@....com>, Leo Li <sunpeng.li@....com>, Alex Deucher <alexander.deucher@....com>, Christian König <christian.koenig@....com>, "David (ChunMing) Zhou" <David1.Zhou@....com>, David Airlie <airlied@...ux.ie>, Daniel Vetter <daniel@...ll.ch>, Charlene Liu <charlene.liu@....com>, Nicholas Kazlauskas <nicholas.kazlauskas@....com>, Hariprasad Kelam <hariprasad.kelam@...il.com>, Ken Chalmers <ken.chalmers@....com>, amd-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org Subject: [PATCH] drm/amd/display: fix possible condition with no effect (if == else) 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@...il.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
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