github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-06-01 19:13:47 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

drm/msm/dpu: Fix adjusted mode clock check for 3d merge

Browse Source 
Since 3D merge allows for larger modes to be supported across 2 layer
mixers, filter modes based on adjusted mode clock / 2 when 3d merge is
supported.

Reported-by: Abel Vesa <abel.vesa@linaro.org>
Fixes: 62b7d68352 ("drm/msm/dpu: Filter modes based on adjusted mode clock")
Signed-off-by: Jessica Zhang <jessica.zhang@oss.qualcomm.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Reviewed-by: Abel Vesa <abel.vesa@linaro.org>
Tested-by: Abel Vesa <abel.vesa@linaro.org>
Tested-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/676353/
Link: https://lore.kernel.org/r/20250923-modeclk-fix-v2-1-01fcd0b2465a@oss.qualcomm.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
This commit is contained in:
Jessica Zhang 2025-09-23 16:03:50 -07:00 committed by Dmitry Baryshkov
parent bbc65d1bde
commit f5d079564c
1 changed files with 3 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
View File

@ -1545,6 +1545,9 @@ static enum drm_mode_status dpu_crtc_mode_valid(struct drm_crtc *crtc,
adjusted_mode_clk = dpu_core_perf_adjusted_mode_clk(mode->clock,
dpu_kms->perf.perf_cfg);
if (dpu_kms->catalog->caps->has_3d_merge)
adjusted_mode_clk /= 2;
/*
* The given mode, adjusted for the perf clock factor, should not exceed
* the max core clock rate