linux-kernel - [PATCH v2 2/2] drm/atomic: Allow userspace to use damage clips with async flips

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Message-ID: <20240702212215.109696-2-andrealmeid@igalia.com>
Date: Tue,  2 Jul 2024 18:22:15 -0300
From: André Almeida <andrealmeid@...lia.com>
To: dri-devel@...ts.freedesktop.org,
	amd-gfx@...ts.freedesktop.org,
	linux-kernel@...r.kernel.org
Cc: kernel-dev@...lia.com,
	alexander.deucher@....com,
	christian.koenig@....com,
	Simon Ser <contact@...rsion.fr>,
	Pekka Paalanen <ppaalanen@...il.com>,
	daniel@...ll.ch,
	Daniel Stone <daniel@...ishbar.org>,
	'Marek Olšák' <maraeo@...il.com>,
	Dave Airlie <airlied@...il.com>,
	ville.syrjala@...ux.intel.com,
	Xaver Hugl <xaver.hugl@...il.com>,
	Joshua Ashton <joshua@...ggi.es>,
	Michel Dänzer <michel.daenzer@...lbox.org>,
	Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
	André Almeida <andrealmeid@...lia.com>
Subject: [PATCH v2 2/2] drm/atomic: Allow userspace to use damage clips with async flips

Allow userspace to use damage clips with atomic async flips. Damage
clips are useful for partial plane updates, which can be helpful for
clients that want to do flips asynchronously.

Signed-off-by: André Almeida <andrealmeid@...lia.com>
---
v2 changes:
- new patch

 drivers/gpu/drm/drm_atomic_uapi.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/drm_atomic_uapi.c b/drivers/gpu/drm/drm_atomic_uapi.c
index 2e1d9391febe..7609c798d73d 100644
--- a/drivers/gpu/drm/drm_atomic_uapi.c
+++ b/drivers/gpu/drm/drm_atomic_uapi.c
@@ -1072,7 +1072,8 @@ int drm_atomic_set_property(struct drm_atomic_state *state,
 
 		if (async_flip &&
 		    prop != config->prop_fb_id &&
-		    prop != config->prop_in_fence_fd) {
+		    prop != config->prop_in_fence_fd &&
+		    prop != config->prop_fb_damage_clips) {
 			ret = drm_atomic_plane_get_property(plane, plane_state,
 							    prop, &old_val);
 			ret = drm_atomic_check_prop_changes(ret, old_val, prop_value, prop);
-- 
2.45.2