[Intel-gfx] [v6 0/2] Re-enable FBC on TGL

Souza, Jose jose.souza at intel.com
Tue Dec 1 18:31:13 UTC 2020


LGTM, thanks for doing the changes.

On Wed, 2020-12-02 at 00:34 +0530, Uma Shankar wrote:
> FBC was disabled on TGL due to random underruns. It has
> been determined that FBC will not work reliably with PSR2.
> This series re-enables fbc along with taking care of the
> PSR2 limitations for TGL.
> 
> Bspec: 50422 HSD: 14010260002
> 
> v2: Addressed review comments and added bspec links
> 
> v3: Addressed Ville's review comments
> 
> v4: Change the WA as per Jose's recommendation.
> 
> v5: Addressed Jose's review comments.
> 
> v6: Added Jose and Ville RB's. Fixed a minor review
> comment.
> 
> Uma Shankar (2):
>   drm/i915/display/tgl: Disable FBC with PSR2
>   Revert "drm/i915/display/fbc: Disable fbc by default on TGL"
> 
>  drivers/gpu/drm/i915/display/intel_fbc.c | 19 ++++++++++++-------
>  drivers/gpu/drm/i915/i915_drv.h          |  1 +
>  2 files changed, 13 insertions(+), 7 deletions(-)
> 



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