[Freedreno] [v5] drm/msm/disp/dpu1: add support for dspp sub block flush in sc7280

[Doug Anderson]

Hi,

On Wed, Sep 14, 2022 at 5:16 AM Kalyan Thota <quic_kalyant at quicinc.com> wrote:
>
> Flush mechanism for DSPP blocks has changed in sc7280 family, it
> allows individual sub blocks to be flushed in coordination with
> master flush control.
>
> Representation: master_flush && (PCC_flush | IGC_flush .. etc )
>
> This change adds necessary support for the above design.
>
> Changes in v1:
> - Few nits (Doug, Dmitry)
> - Restrict sub-block flush programming to dpu_hw_ctl file (Dmitry)
>
> Changes in v2:
> - Move the address offset to flush macro (Dmitry)
> - Seperate ops for the sub block flush (Dmitry)
>
> Changes in v3:
> - Reuse the DPU_DSPP_xx enum instead of a new one (Dmitry)
>
> Changes in v4:
> - Use shorter version for unsigned int (Stephen)
>
> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov at linaro.org>
> ---
>  drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c       |  2 +-
>  drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c |  5 +++-
>  drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h |  4 +++
>  drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c     | 35 ++++++++++++++++++++++++--
>  drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.h     | 10 ++++++--
>  5 files changed, 50 insertions(+), 6 deletions(-)

Breadcrumbs: though this is tagged in the subject as v5 I think the
newest version is actually "resend v4" [1] which just fixes the
Signed-off-by.

[1] https://lore.kernel.org/r/1663825463-6715-1-git-send-email-quic_kalyant@quicinc.com