[PATCH 0/4] drm/i915/fb: Deal with Mesa clear color alignment regression

[Souza, Jose]

On Fri, 2024-11-29 at 08:50 +0200, Ville Syrjala wrote:
> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
> 
> Mesa changed its clear color alignment without informing the kernel,
> and now the kernel expects 4k alignment whereas Mesa only guaratees
> 64 bytes. Reduce the kernel alignment requirement to the same 64 bytes
> since there's no real reason for the current 4k limit. And while at it
> add some missing checks and debugs to the clear color hadling.
> 
> Cc: Sagar Ghuge <sagar.ghuge at intel.com>
> Cc: Nanley Chery <nanley.g.chery at intel.com>
> Cc: Xi Ruoyao <xry111 at xry111.site>

whole series lgtm

Reviewed-by: José Roberto de Souza <jose.souza at intel.com>

> 
> Ville Syrjälä (4):
>   drm/i915/fb: Relax clear color alignment to 64 bytes
>   drm/i915/fb: Add debug spew for misaligned CC plane
>   drm/i915/fb: Check that the clear color fits within the BO
>   drm/uapi/fourcc: Document the Intel clear color alignment better
> 
>  drivers/gpu/drm/i915/display/intel_fb.c | 20 +++++++++++++++---
>  include/uapi/drm/drm_fourcc.h           | 27 +++++++++++++------------
>  2 files changed, 31 insertions(+), 16 deletions(-)
>