linux-kernel - [PATCH v7 8/9] drm: Enable per-plane async flip check

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date: Tue, 18 Jun 2024 00:00:23 -0300
From: André Almeida <andrealmeid@...lia.com>
To: dri-devel@...ts.freedesktop.org,
	amd-gfx@...ts.freedesktop.org,
	linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	nouveau@...ts.freedesktop.org,
	intel-gfx@...ts.freedesktop.org,
	Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Cc: kernel-dev@...lia.com,
	Melissa Wen <mwen@...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>,
	Sam Ravnborg <sam@...nborg.org>,
	Boris Brezillon <bbrezillon@...nel.org>,
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
	Maxime Ripard <mripard@...nel.org>,
	Thomas Zimmermann <tzimmermann@...e.de>,
	Nicolas Ferre <nicolas.ferre@...rochip.com>,
	Alexandre Belloni <alexandre.belloni@...tlin.com>,
	Claudiu Beznea <claudiu.beznea@...on.dev>,
	Jani Nikula <jani.nikula@...ux.intel.com>,
	Rodrigo Vivi <rodrigo.vivi@...el.com>,
	Karol Herbst <kherbst@...hat.com>,
	Lyude Paul <lyude@...hat.com>,
	André Almeida <andrealmeid@...lia.com>
Subject: [PATCH v7 8/9] drm: Enable per-plane async flip check

Replace the generic "is this plane primary" for a plane::async_flip
check, so DRM follows the plane restrictions set by the driver.

Signed-off-by: André Almeida <andrealmeid@...lia.com>
---
 drivers/gpu/drm/drm_atomic_uapi.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/drm_atomic_uapi.c b/drivers/gpu/drm/drm_atomic_uapi.c
index 2e1d9391febe..ed1af3455477 100644
--- a/drivers/gpu/drm/drm_atomic_uapi.c
+++ b/drivers/gpu/drm/drm_atomic_uapi.c
@@ -1079,9 +1079,9 @@ int drm_atomic_set_property(struct drm_atomic_state *state,
 			break;
 		}
 
-		if (async_flip && plane_state->plane->type != DRM_PLANE_TYPE_PRIMARY) {
+		if (async_flip && !plane->async_flip) {
 			drm_dbg_atomic(prop->dev,
-				       "[OBJECT:%d] Only primary planes can be changed during async flip\n",
+				       "[PLANE:%d] does not support async flips\n",
 				       obj->id);
 			ret = -EINVAL;
 			break;
-- 
2.45.2