[PATCH] drm/i915: Reject async flips with bigjoiner
Ville Syrjala
ville.syrjala at linux.intel.com
Mon Dec 11 08:11:34 UTC 2023
From: Ville Syrjälä <ville.syrjala at linux.intel.com>
Currently async flips are busted when bigjoiner is in use.
As a short term fix simply reject async flips in that case.
Cc: stable at vger.kernel.org
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/9769
Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
---
drivers/gpu/drm/i915/display/intel_display.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index d955957b7d18..61053c19f4cc 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -5926,6 +5926,17 @@ 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)
--
2.41.0
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