diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0330-drm-amd-display-Add-lock-around-updating-freesync-pr.patch')
-rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0330-drm-amd-display-Add-lock-around-updating-freesync-pr.patch | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0330-drm-amd-display-Add-lock-around-updating-freesync-pr.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0330-drm-amd-display-Add-lock-around-updating-freesync-pr.patch new file mode 100644 index 00000000..aae10e73 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0330-drm-amd-display-Add-lock-around-updating-freesync-pr.patch @@ -0,0 +1,38 @@ +From 801ecee53705e1bffefba2bed4a3b309568422ac Mon Sep 17 00:00:00 2001 +From: Harry Wentland <harry.wentland@amd.com> +Date: Fri, 7 Apr 2017 15:03:37 -0400 +Subject: [PATCH 0330/4131] drm/amd/display: Add lock around updating freesync + property + +Getting rid of the WARN_ONs in atomic_get_property + +Signed-off-by: Harry Wentland <harry.wentland@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.c | 3 +++ + 1 file changed, 3 insertions(+) + +diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.c +index e9876574..63ad629 100644 +--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.c ++++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.c +@@ -1195,6 +1195,7 @@ static int amdgpu_freesync_update_property_atomic( + dev = connector->dev; + adev = dev->dev_private; + ++ drm_modeset_lock(&dev->mode_config.connection_mutex, NULL); + ret = drm_object_property_get_value( + &connector->base, + adev->mode_info.freesync_property, +@@ -1204,6 +1205,8 @@ static int amdgpu_freesync_update_property_atomic( + &connector->base, + adev->mode_info.freesync_property, + val_capable); ++ drm_modeset_unlock(&dev->mode_config.connection_mutex); ++ + return ret; + + } +-- +2.7.4 + |