From: Ville Syrjälä Date: Mon, 11 Dec 2023 08:11:34 +0000 (+0200) Subject: drm/i915: Reject async flips with bigjoiner X-Git-Tag: v6.6.17~1723 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=706b554adfe9d42e7c366ea14b10433e93dc7d54;p=platform%2Fkernel%2Flinux-rpi.git 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 Link: https://patchwork.freedesktop.org/patch/msgid/20231211081134.2698-1-ville.syrjala@linux.intel.com Reviewed-by: Stanislav Lisovskiy (cherry picked from commit e93bffc2ac0a833b42841f31fff955549d38ce98) Signed-off-by: Jani Nikula Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 2d9d96e..2e0daad 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -5977,6 +5977,17 @@ static int intel_async_flip_check_hw(struct intel_atomic_state *state, struct in 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)