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[v4,0/2] Re-enable FBC on TGL

Message ID 20201201143042.22188-1-uma.shankar@intel.com (mailing list archive)
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Series Re-enable FBC on TGL | expand

Message

Uma Shankar Dec. 1, 2020, 2:30 p.m. UTC 
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.

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 | 36 +++++++++++++++++++-----
 drivers/gpu/drm/i915/i915_drv.h          |  1 +
 2 files changed, 30 insertions(+), 7 deletions(-)