diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0331-drm-amd-display-Fallback-on-legacy-properties-in-ato.patch')
-rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0331-drm-amd-display-Fallback-on-legacy-properties-in-ato.patch | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0331-drm-amd-display-Fallback-on-legacy-properties-in-ato.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0331-drm-amd-display-Fallback-on-legacy-properties-in-ato.patch new file mode 100644 index 00000000..de637a54 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0331-drm-amd-display-Fallback-on-legacy-properties-in-ato.patch @@ -0,0 +1,76 @@ +From b72421ff02e276181701e07cac145b1ca724531a Mon Sep 17 00:00:00 2001 +From: Harry Wentland <harry.wentland@amd.com> +Date: Fri, 27 Jan 2017 10:55:20 -0500 +Subject: [PATCH 0331/4131] drm/amd/display: Fallback on legacy properties in + atomic_get_properties + +We still rely on legacy properties. Fallback on legacy properties until +we get to pull these into some atomic state. + +Signed-off-by: Harry Wentland <harry.wentland@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + .../drm/amd/display/amdgpu_dm/amdgpu_dm_types.c | 40 +++++++++++++++++++++- + 1 file changed, 39 insertions(+), 1 deletion(-) + +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 63ad629..28bd6be 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 +@@ -1410,6 +1410,43 @@ struct drm_connector_state *amdgpu_dm_connector_atomic_duplicate_state( + return NULL; + } + ++ ++/** ++ * amdgpu_dm_atomic_get_property - fetch connector property value ++ * @connector: connector to fetch property for ++ * @state: state containing the property value ++ * @property: property to look up ++ * @val: pointer to write property value into ++ * ++ * The DRM core does not store shadow copies of properties for ++ * atomic-capable drivers. This entrypoint is used to fetch ++ * the current value of a driver-specific connector property. ++ */ ++int amdgpu_dm_connector_atomic_get_property(struct drm_connector *connector, ++ const struct drm_connector_state *state, ++ struct drm_property *property, ++ uint64_t *val) ++{ ++ int i; ++ ++ /* ++ * TODO: Get properties from atomic state or objs. Until it's ready, ++ * continue to look up all property values in the DRM's shadow copy ++ * in obj->properties->values[]. ++ * ++ * When the crtc/connector state work matures, this function should ++ * be updated to read the values out of the state structure instead. ++ */ ++ for (i = 0; i < connector->base.properties->count; i++) { ++ if (connector->base.properties->properties[i] == property) { ++ *val = connector->base.properties->values[i]; ++ return 0; ++ } ++ } ++ ++ return -EINVAL; ++} ++ + static const struct drm_connector_funcs amdgpu_dm_connector_funcs = { + .dpms = drm_atomic_helper_connector_dpms, + .reset = amdgpu_dm_connector_funcs_reset, +@@ -1419,7 +1456,8 @@ static const struct drm_connector_funcs amdgpu_dm_connector_funcs = { + .destroy = amdgpu_dm_connector_destroy, + .atomic_duplicate_state = amdgpu_dm_connector_atomic_duplicate_state, + .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, +- .atomic_set_property = amdgpu_dm_connector_atomic_set_property ++ .atomic_set_property = amdgpu_dm_connector_atomic_set_property, ++ .atomic_get_property = amdgpu_dm_connector_atomic_get_property, + }; + + static struct drm_encoder *best_encoder(struct drm_connector *connector) +-- +2.7.4 + |