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@samsung.com --- drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c | 10 ++++------ drivers/gpu/drm/drm_crtc.c | 26 +++++++++++++++++++------ 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, 30 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 e33866084b70..890c5925e6db 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -5861,10 +5861,20 @@ 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. + */ +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" }, @@ -5873,9 +5883,13 @@ 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 02f6ccb848a9..5b7ba46491a0 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -14042,8 +14042,7 @@ 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, @@ -14179,8 +14178,7 @@ 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 13035e2c5e51..7fe38dc8244a 100644 --- a/include/drm/drm_crtc.h +++ b/include/drm/drm_crtc.h @@ -2488,8 +2488,8 @@ 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);