drm/msm/dp: break up dp_display_enable into two parts

Browse source

dp_display_enable() currently re-trains the link if needed and then
enables the pixel clock, programs the controller to start sending the
pixel stream. Split these two parts into prepare/enable APIs, to support
MST bridges_enable insert the MST payloads funcs between enable
stream_clks and program register.

Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Signed-off-by: Yongxing Mou <yongxing.mou@oss.qualcomm.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Patchwork: https://patchwork.freedesktop.org/patch/742740/
Link: https://lore.kernel.org/r/20260728-dp_mstclean-v9-8-f7779fce10f4@oss.qualcomm.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>

...

This commit is contained in:

Abhinav Kumar 2026-07-28 18:21:37 +08:00 • committed by Dmitry Baryshkov

parent 38e4b12149

commit ca16db3d18

3 changed files with 103 additions and 53 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

48

drivers/gpu/drm/msm/dp/dp_ctrl.c

View file

3

drivers/gpu/drm/msm/dp/dp_ctrl.h

View file

105

drivers/gpu/drm/msm/dp/dp_display.c

View file