diff options
| author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2021-09-30 22:09:42 +0300 |
|---|---|---|
| committer | Jani Nikula <jani.nikula@intel.com> | 2021-10-05 11:52:48 +0300 |
| commit | b2d73debfdc16b742e64948dc4461876af3f8c10 (patch) | |
| tree | d331c9a96988fec44eb3fc542798efbfd0f68123 /drivers/misc/ibmasm/command.c | |
| parent | fdddf8c3a477f77b3a623f220e78d45e89fc50d5 (diff) | |
drm/i915: Extend the async flip VT-d w/a to skl/bxt
Looks like skl/bxt/derivatives also need the plane stride
stretch w/a when using async flips and VT-d is enabled, or
else we get corruption on screen. To my surprise this was
even documented in bspec, but only as a note on the
CHICHKEN_PIPESL register description rather than on the
w/a list.
So very much the same thing as on HSW/BDW, except the bits
moved yet again.
Cc: stable@vger.kernel.org
Cc: Karthik B S <karthik.b.s@intel.com>
Fixes: 55ea1cb178ef ("drm/i915: Enable async flips in i915")
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210930190943.17547-1-ville.syrjala@linux.intel.com
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
(cherry picked from commit d08df3b0bdb25546e86dc9a6c4e3ec0c43832299)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Diffstat (limited to 'drivers/misc/ibmasm/command.c')
0 files changed, 0 insertions, 0 deletions