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authorJessica Zhang <jessica.zhang@oss.qualcomm.com>2025-09-23 16:03:50 -0700
committerDmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>2025-10-29 00:20:47 +0200
commitf5d079564c44baaeedf5e25f4b943aa042ea0eb1 (patch)
tree408afd781d00c55116b24dbd03a13f7f0c732579
parentbbc65d1bde821750c48ac075057be548e38d77cc (diff)
drm/msm/dpu: Fix adjusted mode clock check for 3d merge
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: 62b7d6835288 ("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>
-rw-r--r--drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
index 4b970a59deaf..2f8156051d9b 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
@@ -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