Commit 35a97f56 authored by Jouni Högander's avatar Jouni Högander
Browse files

drm/i915/psr: Clear frontbuffer busy bits on flip 



We are planning to move flush performed from work queue. This
means it is possible to have invalidate -> flip -> flush sequence.
Handle this by clearing possible busy bits on flip.

Signed-off-by: default avatarJouni Högander <jouni.hogander@intel.com>
Reviewed-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230901093500.3463046-3-jouni.hogander@intel.com
parent 4f89df19

drivers/gpu/drm/i915/display/intel_psr.c

+6 −0
Original line number Diff line number Diff line
@@ -2230,6 +2230,12 @@ static void _intel_psr_post_plane_update(const struct intel_atomic_state *state, 
		if (crtc_state->crc_enabled && psr->enabled)

			psr_force_hw_tracking_exit(intel_dp);



		/*

		 * Clear possible busy bits in case we have

		 * invalidate -> flip -> flush sequence.

		 */

		intel_dp->psr.busy_frontbuffer_bits = 0;



		mutex_unlock(&psr->lock);

	}

}