[SRU v2] [J/OEM-5.14] [PATCH 00/11] Fix screen flickering caused by PSR on Intel TGL platform
Kai-Heng Feng
kai.heng.feng at canonical.com
Mon Jun 13 06:59:55 UTC 2022
BugLink: https://bugs.launchpad.net/bugs/1978252
[Impact]
Screen flickers on certain Intel TGL laptops.
[Fix]
Enable PSR2 selective fetch along with several PSR fixes.
[Test]
Screen flickers can no longer be observed on affected laptops.
[Where problems could occur]
PSR can be glitchy. Fortunately it's not system breaking so we can push
subsequent fixes if needed.
v2:
Explain the change in patch 04/11.
Gwan-gyeong Mun (1):
drm/i915/display/psr: Do full fetch when handling multi-planar formats
José Roberto de Souza (10):
drm/i915/display: Fix sel fetch plane offset calculation
drm/i915: Nuke ORIGIN_GTT
drm/i915/display: Drop PSR support from HSW and BDW
drm/i915/display/psr: Handle plane and pipe restrictions at every page
flip
drm/i915/display: Drop unnecessary frontbuffer flushes
drm/i915/display: Handle frontbuffer rendering when PSR2 selective
fetch is enabled
drm/i915/display: Fix glitches when moving cursor with PSR2 selective
fetch enabled
drm/i915/display/adlp: Optimize PSR2 power-savings in corner cases
drm/i915/display/adlp: Allow PSR2 to be enabled
drm/i915/display: Enable PSR2 selective fetch by default
drivers/gpu/drm/i915/display/intel_cursor.c | 5 +-
drivers/gpu/drm/i915/display/intel_display.c | 3 -
drivers/gpu/drm/i915/display/intel_fbc.c | 12 +-
drivers/gpu/drm/i915/display/intel_fbdev.c | 2 -
.../gpu/drm/i915/display/intel_frontbuffer.h | 4 +-
drivers/gpu/drm/i915/display/intel_psr.c | 242 ++++++++----------
drivers/gpu/drm/i915/i915_drv.h | 2 -
drivers/gpu/drm/i915/i915_irq.c | 16 --
drivers/gpu/drm/i915/i915_params.h | 2 +-
drivers/gpu/drm/i915/i915_pci.c | 4 +-
drivers/gpu/drm/i915/i915_reg.h | 21 +-
11 files changed, 117 insertions(+), 196 deletions(-)
--
2.36.1
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