[SRU][O][PATCH 0/2] Fix screen flickering in inverted display mode

[Aaron Ma]

BugLink: https://bugs.launchpad.net/bugs/2103617

[Impact]
On Intel LNL, after screen is inverted by "gnome-randr modify eDP-1 --rotate inverted"
Move cursor, the screen will get flicker, with the error in dmesg:
xe 0000:00:02.0: [drm] ERROR Fault errors on pipe A: 0x00040080

[Fix]
Intel provided a patch to fix it.
https://patchwork.freedesktop.org/patch/627668/?series=136033&rev=4
https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/3992

[Test]
Tested on Intel LNL and MTL, screens are normal on all rotate mode,
and suspend/resume for 100 times on both LNL and MTL with positive results.

[Where problems could occur]
It may break i915 and xe driver.

SRU for oem-6.11 and plucky had been sent.
This is for oracular.

Maarten Lankhorst (2):
  drm/xe/display: Re-use display vmas when possible
  drm/xe/display: Fix fbdev GGTT mapping handling.

 .../gpu/drm/i915/display/intel_atomic_plane.c |  2 +-
 drivers/gpu/drm/i915/display/intel_cursor.c   |  2 +-
 drivers/gpu/drm/i915/display/intel_fb_pin.c   |  3 +-
 drivers/gpu/drm/i915/display/intel_fb_pin.h   |  3 +-
 drivers/gpu/drm/i915/display/intel_fbdev.c    |  5 ++
 drivers/gpu/drm/i915/display/intel_fbdev.h    |  8 ++++
 .../gpu/drm/xe/compat-i915-headers/i915_vma.h |  3 ++
 drivers/gpu/drm/xe/display/intel_fbdev_fb.c   |  4 +-
 drivers/gpu/drm/xe/display/xe_fb_pin.c        | 46 +++++++++++++++++--
 9 files changed, 66 insertions(+), 10 deletions(-)

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2.43.0