On 12/2/2024 5:32 PM, Dmitry Baryshkov wrote: > On Mon, 2 Dec 2024 at 11:05, Xiangxu Yin <quic_xiangxuy@xxxxxxxxxxx> wrote: >> >> >> >> On 11/29/2024 9:52 PM, Dmitry Baryshkov wrote: >>> On Fri, 29 Nov 2024 at 09:59, Xiangxu Yin <quic_xiangxuy@xxxxxxxxxxx> wrote: >>>> >>>> Introduce a maximum width constraint for modes during validation. This >>>> ensures that the modes are filtered based on hardware capabilities, >>>> specifically addressing the line buffer limitations of individual pipes. >>> >>> This doesn't describe, why this is necessary. What does "buffer >>> limitations of individual pipes" mean? >>> If the platforms have hw capabilities like being unable to support 8k >>> or 10k, it should go to platform data >>> >> It's SSPP line buffer limitation for this platform and only support to 2160 mode width. >> Then, shall I add max_width config to struct msm_dp_desc in next patch? for other platform will set defualt value to ‘DP_MAX_WIDTH 7680' > > SSPP line buffer limitations are to be handled in the DPU driver. The > DP driver shouldn't care about those. > Ok, Will drop this part in next patch. >>>> >>>> Signed-off-by: Xiangxu Yin <quic_xiangxuy@xxxxxxxxxxx> >>>> --- >>>> drivers/gpu/drm/msm/dp/dp_display.c | 3 +++ >>>> drivers/gpu/drm/msm/dp/dp_display.h | 1 + >>>> drivers/gpu/drm/msm/dp/dp_panel.c | 13 +++++++++++++ >>>> drivers/gpu/drm/msm/dp/dp_panel.h | 1 + >>>> 4 files changed, 18 insertions(+) > >
