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

From: Dmitry Baryshkov
Date: Wed Nov 29 2023 - 23:06:35 EST


On Sat, 28 Oct 2023 at 01:33, Jessica Zhang <quic_jesszhan@xxxxxxxxxxx> 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@xxxxxxxxxxx>
> ---
> 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@xxxxxxxxxx>


--
With best wishes
Dmitry