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authorManasi Navare <manasi.d.navare@intel.com>2022-02-24 17:30:54 -0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-03-19 13:40:17 +0100
commit941e8bcd2b2ba95490738e33dfeca27168452779 (patch)
treef1c05f721f4b792382c884c3d84dbc92fc2123b2 /drivers/gpu
parent6becb057247e6d5fbe771d9b3bdfd8308c8e130e (diff)
drm/vrr: Set VRR capable prop only if it is attached to connector
[ Upstream commit 62929726ef0ec72cbbe9440c5d125d4278b99894 ] VRR capable property is not attached by default to the connector It is attached only if VRR is supported. So if the driver tries to call drm core set prop function without it being attached that causes NULL dereference. Cc: Jani Nikula <jani.nikula@intel.com> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: dri-devel@lists.freedesktop.org Signed-off-by: Manasi Navare <manasi.d.navare@intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220225013055.9282-1-manasi.d.navare@intel.com Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/drm_connector.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_connector.c b/drivers/gpu/drm/drm_connector.c
index 2337b3827e6a..11a81e8ba963 100644
--- a/drivers/gpu/drm/drm_connector.c
+++ b/drivers/gpu/drm/drm_connector.c
@@ -1984,6 +1984,9 @@ EXPORT_SYMBOL(drm_connector_attach_max_bpc_property);
void drm_connector_set_vrr_capable_property(
struct drm_connector *connector, bool capable)
{
+ if (!connector->vrr_capable_property)
+ return;
+
drm_object_property_set_value(&connector->base,
connector->vrr_capable_property,
capable);