[PATCH RFC v7 07/10] drm/atomic: Loosen FB atomic checks

[Dmitry Baryshkov]

On Sat, 28 Oct 2023 at 01:33, Jessica Zhang <quic_jesszhan at quicinc.com> wrote:
>
> Loosen the requirements for atomic and legacy commit so that, in cases
> where pixel_source != FB, the commit can still go through.
>
> This includes adding framebuffer NULL checks in other areas to account for
> FB being NULL when non-FB pixel sources are enabled.
>
> To disable a plane, the pixel_source must be NONE or the FB must be NULL
> if pixel_source == FB.
>
> Signed-off-by: Jessica Zhang <quic_jesszhan at quicinc.com>
> ---
>  drivers/gpu/drm/drm_atomic.c        | 21 ++++++++++----------
>  drivers/gpu/drm/drm_atomic_helper.c | 39 +++++++++++++++++++++----------------
>  include/drm/drm_atomic_helper.h     |  4 ++--
>  include/drm/drm_plane.h             | 29 +++++++++++++++++++++++++++
>  4 files changed, 64 insertions(+), 29 deletions(-)

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov at linaro.org>


-- 
With best wishes
Dmitry