On Tue, Sep 29, 2026 at 12:25:31PM +0800, Yongxing Mou wrote: > DisplayPort MST uses multiple stream-specific register spaces. Streams > 0 and 1 share the primary link register block with different register > offsets, while streams 2 and 3 use dedicated MST link register blocks. > > Add stream-aware register access helpers that translate stream-specific > register offsets and route accesses to the appropriate register space > based on the stream id. > > Signed-off-by: Abhinav Kumar <[email protected]> > Signed-off-by: Yongxing Mou <[email protected]> > --- > drivers/gpu/drm/msm/dp/dp_ctrl.c | 64 > +++++++++++++++++++++++++++++++++---- > drivers/gpu/drm/msm/dp/dp_ctrl.h | 4 ++- > drivers/gpu/drm/msm/dp/dp_display.c | 26 +++++++++++++-- > drivers/gpu/drm/msm/dp/dp_panel.c | 37 +++++++++++++++++++-- > drivers/gpu/drm/msm/dp/dp_panel.h | 2 ++ > 5 files changed, 121 insertions(+), 12 deletions(-) >
Reviewed-by: Dmitry Baryshkov <[email protected]> -- With best wishes Dmitry
