Re: [PATCH v4 07/22] drm/msm/dpu: Set PINGPONG block length to zero for DPU >= 7.0.0

[Dmitry Baryshkov]

On 27/04/2023 01:37, Marijn Suijten wrote:
> Despite downstream DTS stating otherwise, the PINGPONG block has no
> registers starting with DPU revision 7.0.0.  TEAR registers are gone
> since DPU 5.0.0 after being moved to the INTF block, and DSC registers
> are gone since 7.0.0, leaving only the dither sub-block.
>
> A future patch, part of the DSC 1.2 series, should disable DSC functions
> on the PINGPONG block for all DPU >= 7.0.0 hardware.
>
> Fixes: 4a352c2fc15a ("drm/msm/dpu: Introduce SC8280XP")
> Fixes: 0e91bcbb0016 ("drm/msm/dpu: Add SM8350 to hw catalog")
> Fixes: 100d7ef6995d ("drm/msm/dpu: add support for SM8450")
> Signed-off-by: Marijn Suijten <marijn.suijten@xxxxxxxxxxxxxx>
> ---
>   drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_7_0_sm8350.h   | 12 ++++++------
>   drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_7_2_sc7280.h   |  8 ++++----
>   drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_8_0_sc8280xp.h | 12 ++++++------
>   drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_8_1_sm8450.h   | 16 ++++++++--------
>   4 files changed, 24 insertions(+), 24 deletions(-)

https://patchwork.freedesktop.org/patch/534306/?series=116327&rev=2

--
With best wishes
Dmitry