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authorKuogee Hsieh <quic_khsieh@quicinc.com>2022-02-26 00:23:09 +0300
committerDmitry Baryshkov <dmitry.baryshkov@linaro.org>2022-04-26 00:50:47 +0300
commite18aeea7f5efb9508722c8c7fd4d32e6f8cdfe50 (patch)
treebf72f7552fa51e2efa3eae871eb7206008e305f9 /drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c
parent8e809dfb9b25a97cdbe2ef2bdcca998815457317 (diff)
downloadlinux-e18aeea7f5efb9508722c8c7fd4d32e6f8cdfe50.tar.xz
drm/msm/dpu: adjust display_v_end for eDP and DP
The “DP timing” requires the active region to be defined in the bottom-right corner of the frame dimensions which is different with DSI. Therefore both display_h_end and display_v_end need to be adjusted accordingly. However current implementation has only display_h_end adjusted. Signed-off-by: Kuogee Hsieh <quic_khsieh@quicinc.com> Fixes: fc3a69ec68d3 ("drm/msm/dpu: intf timing path for displayport") Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Reviewed-by: Stephen Boyd <swboyd@chromium.org> Patchwork: https://patchwork.freedesktop.org/patch/476277/ Link: https://lore.kernel.org/r/1645824192-29670-2-git-send-email-quic_khsieh@quicinc.com Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Diffstat (limited to 'drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c')
-rw-r--r--drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c
index 116e2b5b1a90..284f5610dc35 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c
@@ -148,6 +148,7 @@ static void dpu_hw_intf_setup_timing_engine(struct dpu_hw_intf *ctx,
active_v_end = active_v_start + (p->yres * hsync_period) - 1;
display_v_start += p->hsync_pulse_width + p->h_back_porch;
+ display_v_end -= p->h_front_porch;
active_hctl = (active_h_end << 16) | active_h_start;
display_hctl = active_hctl;