From: Ville Syrjälä <ville.syrjala at linux.intel.com>
Make drm_property_create_bitmask() a bit more generic by allowing the
caller to specify which bits are in fact supported. This allows multiple
callers to use the same enum list, but still create different versions
of the same property with different list of supported bits.
v5: Fixed the caller of this function in omapdrm to comply with supported
bitmask definition.
Cc: David Airlie <airlied@xxxxxxxx>
Cc: Tomi Valkeinen <tomi.valkeinen@xxxxxx>
Cc: Rob Clark <robdclark@xxxxxxxxx>
Cc: Sagar Kamble <sagar.a.kamble@xxxxxxxxx>
Cc: "Ville Syrjälä" <ville.syrjala@xxxxxxxxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Signed-off-by: Sagar Kamble <sagar.a.kamble@xxxxxxxxx>
Reviewed-by: Rob Clark <robdclark@xxxxxxxxx>
---
drivers/gpu/drm/drm_crtc.c | 6 +++++-
drivers/gpu/drm/omapdrm/omap_plane.c | 8 +++++++-
include/drm/drm_crtc.h | 3 ++-
3 files changed, 14 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index 3b7d32d..628d3d3 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -2906,7 +2906,8 @@ EXPORT_SYMBOL(drm_property_create_enum);
struct drm_property *drm_property_create_bitmask(struct drm_device *dev,
int flags, const char *name,
const struct drm_prop_enum_list *props,
- int num_values)
+ int num_values,
+ unsigned int supported_bits)
{
struct drm_property *property;
int i, ret;
@@ -2918,6 +2919,9 @@ struct drm_property *drm_property_create_bitmask(struct drm_device *dev,
return NULL;
for (i = 0; i < num_values; i++) {
+ if (!(supported_bits & (1 << i)))
+ continue;
+
ret = drm_property_add_enum(property, i,
props[i].type,
props[i].name);
diff --git a/drivers/gpu/drm/omapdrm/omap_plane.c b/drivers/gpu/drm/omapdrm/omap_plane.c
index 046d5e6..b288f38 100644
--- a/drivers/gpu/drm/omapdrm/omap_plane.c
+++ b/drivers/gpu/drm/omapdrm/omap_plane.c
@@ -309,7 +309,13 @@ void omap_plane_install_properties(struct drm_plane *plane,
{ DRM_REFLECT_Y, "reflect-y" },
};
prop = drm_property_create_bitmask(dev, 0, "rotation",
- props, ARRAY_SIZE(props));
+ props, ARRAY_SIZE(props),
+ BIT(DRM_ROTATE_0) |
+ BIT(DRM_ROTATE_90) |
+ BIT(DRM_ROTATE_180) |
+ BIT(DRM_ROTATE_270) |
+ BIT(DRM_REFLECT_X) |
+ BIT(DRM_REFLECT_Y));
if (prop == NULL)
return;
priv->rotation_prop = prop;
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index d5c46c1..41b86d2 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -1070,7 +1070,8 @@ extern struct drm_property *drm_property_create_enum(struct drm_device *dev, int
struct drm_property *drm_property_create_bitmask(struct drm_device *dev,
int flags, const char *name,
const struct drm_prop_enum_list *props,
- int num_values);
+ int num_values,
+ unsigned int supported_bits);
struct drm_property *drm_property_create_range(struct drm_device *dev, int flags,
const char *name,
uint64_t min, uint64_t max);
--
1.8.5
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