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drm/i915: Reject async flips with bigjoiner 

commit 88a173e5dd05e788068e8fa20a8c37c44bd8f416 upstream.

Currently async flips are busted when bigjoiner is in use.
As a short term fix simply reject async flips in that case.

Cc: stable@vger.kernel.org
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/9769
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231211081134.2698-1-ville.syrjala@linux.intel.com
Reviewed-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
(cherry picked from commit e93bffc2ac0a833b42841f31fff955549d38ce98)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ville Syrjälä 2023-12-11 10:11:34 +02:00 committed by Greg Kroah-Hartman
parent c60e10d154
commit 7d09c84df5
1 changed files with 11 additions and 0 deletions
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11
drivers/gpu/drm/i915/display/intel_display.c
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@ -6481,6 +6481,17 @@ static int intel_async_flip_check_uapi(struct intel_atomic_state *state,
return -EINVAL;
}
/*
* FIXME: Bigjoiner+async flip is busted currently.
* Remove this check once the issues are fixed.
*/
if (new_crtc_state->bigjoiner_pipes) {
drm_dbg_kms(&i915->drm,
"[CRTC:%d:%s] async flip disallowed with bigjoiner\n",
crtc->base.base.id, crtc->base.name);
return -EINVAL;
}
for_each_oldnew_intel_plane_in_state(state, plane, old_plane_state,
new_plane_state, i) {
if (plane->pipe != crtc->pipe)