This patch simplifies initialization of generic rotation property and
aligns the code to match recently introduced function for intializing
generic zpos property. It also adds missing documentation.
Signed-off-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>
---
drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c | 10 ++++-----
drivers/gpu/drm/drm_crtc.c | 29 ++++++++++++++++++++-----
drivers/gpu/drm/i915/intel_display.c | 6 ++---
drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c | 3 +--
drivers/gpu/drm/omapdrm/omap_drv.c | 3 +--
include/drm/drm_crtc.h | 4 ++--
6 files changed, 33 insertions(+), 22 deletions(-)
diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
index 1ffe9c329c46..4f9606cdf0f2 100644
--- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
+++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
@@ -967,12 +967,10 @@ atmel_hlcdc_plane_create_properties(struct drm_device *dev)
if (!props->alpha)
return ERR_PTR(-ENOMEM);
- dev->mode_config.rotation_property =
- drm_mode_create_rotation_property(dev,
- BIT(DRM_ROTATE_0) |
- BIT(DRM_ROTATE_90) |
- BIT(DRM_ROTATE_180) |
- BIT(DRM_ROTATE_270));
+ drm_mode_create_rotation_property(dev, BIT(DRM_ROTATE_0) |
+ BIT(DRM_ROTATE_90) |
+ BIT(DRM_ROTATE_180) |
+ BIT(DRM_ROTATE_270));
if (!dev->mode_config.rotation_property)
return ERR_PTR(-ENOMEM);
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index d40bab29747e..822ad6928144 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -5875,10 +5875,23 @@ void drm_mode_config_cleanup(struct drm_device *dev)
}
EXPORT_SYMBOL(drm_mode_config_cleanup);
-struct drm_property *drm_mode_create_rotation_property(struct drm_device *dev,
- unsigned int supported_rotations)
+/**
+ * drm_mode_create_rotation_property - create generic rotation property
+ * @dev: DRM device
+ * @supported_rotations: bitmask of supported rotation modes
+ *
+ * This function initializes generic rotation property and enables support
+ * for it in drm core. Drivers can then attach this property to planes to enable
+ * support for different rotation modes.
+ *
+ * Returns:
+ * Zero on success, negative errno on failure.
+ */
+int drm_mode_create_rotation_property(struct drm_device *dev,
+ unsigned int supported_rotations)
{
- static const struct drm_prop_enum_list props[] = {
+ struct drm_property *prop;
+ static const struct drm_prop_enum_list values[] = {
{ DRM_ROTATE_0, "rotate-0" },
{ DRM_ROTATE_90, "rotate-90" },
{ DRM_ROTATE_180, "rotate-180" },
@@ -5887,9 +5900,13 @@ struct drm_property *drm_mode_create_rotation_property(struct drm_device *dev,
{ DRM_REFLECT_Y, "reflect-y" },
};
- return drm_property_create_bitmask(dev, 0, "rotation",
- props, ARRAY_SIZE(props),
- supported_rotations);
+ prop = drm_property_create_bitmask(dev, 0, "rotation", values,
+ ARRAY_SIZE(values), supported_rotations);
+ if (!prop)
+ return -ENOMEM;
+
+ dev->mode_config.rotation_property = prop;
+ return 0;
}
EXPORT_SYMBOL(drm_mode_create_rotation_property);
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 2f00828ccc6e..1bce8750c308 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -14046,8 +14046,7 @@ void intel_create_rotation_property(struct drm_device *dev, struct intel_plane *
if (INTEL_INFO(dev)->gen >= 9)
flags |= BIT(DRM_ROTATE_90) | BIT(DRM_ROTATE_270);
- dev->mode_config.rotation_property =
- drm_mode_create_rotation_property(dev, flags);
+ drm_mode_create_rotation_property(dev, flags);
}
if (dev->mode_config.rotation_property)
drm_object_attach_property(&plane->base.base,
@@ -14183,8 +14182,7 @@ static struct drm_plane *intel_cursor_plane_create(struct drm_device *dev,
if (INTEL_INFO(dev)->gen >= 4) {
if (!dev->mode_config.rotation_property)
- dev->mode_config.rotation_property =
- drm_mode_create_rotation_property(dev,
+ drm_mode_create_rotation_property(dev,
BIT(DRM_ROTATE_0) |
BIT(DRM_ROTATE_180));
if (dev->mode_config.rotation_property)
diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c
index 432c09836b0e..8defeec0d453 100644
--- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c
+++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c
@@ -76,8 +76,7 @@ static void mdp5_plane_install_rotation_property(struct drm_device *dev,
return;
if (!dev->mode_config.rotation_property)
- dev->mode_config.rotation_property =
- drm_mode_create_rotation_property(dev,
+ drm_mode_create_rotation_property(dev,
BIT(DRM_REFLECT_X) | BIT(DRM_REFLECT_Y));
if (dev->mode_config.rotation_property)
diff --git a/drivers/gpu/drm/omapdrm/omap_drv.c b/drivers/gpu/drm/omapdrm/omap_drv.c
index dfafdb602ad2..c6ce2b31f1c5 100644
--- a/drivers/gpu/drm/omapdrm/omap_drv.c
+++ b/drivers/gpu/drm/omapdrm/omap_drv.c
@@ -304,8 +304,7 @@ static int omap_modeset_init_properties(struct drm_device *dev)
struct omap_drm_private *priv = dev->dev_private;
if (priv->has_dmm) {
- dev->mode_config.rotation_property =
- drm_mode_create_rotation_property(dev,
+ drm_mode_create_rotation_property(dev,
BIT(DRM_ROTATE_0) | BIT(DRM_ROTATE_90) |
BIT(DRM_ROTATE_180) | BIT(DRM_ROTATE_270) |
BIT(DRM_REFLECT_X) | BIT(DRM_REFLECT_Y));
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index 4f32a358d631..702f4f28f580 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -2494,8 +2494,8 @@ extern int drm_format_plane_cpp(uint32_t format, int plane);
extern int drm_format_horz_chroma_subsampling(uint32_t format);
extern int drm_format_vert_chroma_subsampling(uint32_t format);
extern const char *drm_get_format_name(uint32_t format);
-extern struct drm_property *drm_mode_create_rotation_property(struct drm_device *dev,
- unsigned int supported_rotations);
+extern int drm_mode_create_rotation_property(struct drm_device *dev,
+ unsigned int supported_rotations);
extern unsigned int drm_rotation_simplify(unsigned int rotation,
unsigned int supported_rotations);
--
1.9.2
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