[PATCH RFT v2 03/15] drm/msm: Use the central UBWC config database

[Dmitry Baryshkov]

On Wed, May 14, 2025 at 05:10:23PM +0200, Konrad Dybcio wrote:
> From: Konrad Dybcio <konrad.dybcio at oss.qualcomm.com>
> 
> As discussed a lot in the past, the UBWC config must be coherent across
> a number of IP blocks (currently display and GPU, but it also may/will
> concern camera/video as the drivers evolve).
> 
> So far, we've been trying to keep the values reasonable in each of the
> two drivers separately, but it really make sense to do so centrally,
> especially given certain fields (e.g. HBB) may need to be gathered
> dynamically.
> 
> To reduce room for error, move to fetching the config from a central
> source, so that the data programmed into the hardware is consistent
> across all multimedia blocks that request it.
> 
> Signed-off-by: Konrad Dybcio <konrad.dybcio at oss.qualcomm.com>
> ---
>  drivers/gpu/drm/msm/Kconfig                 |   1 +
>  drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.c |   6 +-
>  drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.h |   4 +-
>  drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c     |   7 +-
>  drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h     |   2 +-
>  drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c   |   3 +-
>  drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c      |   2 +-
>  drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h      |   2 +-
>  drivers/gpu/drm/msm/msm_mdss.c              | 327 +++++-----------------------
>  drivers/gpu/drm/msm/msm_mdss.h              |  28 ---
>  10 files changed, 73 insertions(+), 309 deletions(-)
> 

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov at oss.qualcomm.com>

-- 
With best wishes
Dmitry