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>
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;