Commit 4f89df19 authored by Jouni Högander's avatar Jouni Högander
Browse files

drm/i915/fbc: 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 avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: default avatarJouni Högander <jouni.hogander@intel.com>
Reviewed-by: default avatarLuca Coelho <luciano.coelho@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230901093500.3463046-2-jouni.hogander@intel.com
parent f208f4a4

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

+2 −4
Original line number Diff line number Diff line
@@ -1307,11 +1307,9 @@ static void __intel_fbc_post_update(struct intel_fbc *fbc) 
	lockdep_assert_held(&fbc->lock);



	fbc->flip_pending = false;

	fbc->busy_bits = 0;



	if (!fbc->busy_bits)

	intel_fbc_activate(fbc);

	else

		intel_fbc_deactivate(fbc, "frontbuffer write");

}



void intel_fbc_post_update(struct intel_atomic_state *state,