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drm: Add getfb2 ioctl

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getfb2 allows us to pass multiple planes and modifiers, just like addfb2
over addfb.

Changes since v2:
 - add privilege checks from getfb1 since handles should only be
   returned to master/root

Changes since v1:
 - unused modifiers set to 0 instead of DRM_FORMAT_MOD_INVALID
 - update ioctl number

Signed-off-by: Daniel Stone <daniels@collabora.com>
Signed-off-by: Juston Li <juston.li@intel.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Lyude Paul <lyude@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191217034642.3814-1-juston.li@intel.com
This commit is contained in:
Daniel Stone
2019-12-16 19:46:43 -08:00
committed by Lyude Paul
parent 7b6bd84336
commit 455e00f141
4 changed files with 127 additions and 0 deletions
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2
drivers/gpu/drm/drm_crtc_internal.h
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@@ -216,6 +216,8 @@ int drm_mode_rmfb_ioctl(struct drm_device *dev,
void *data, struct drm_file *file_priv);
int drm_mode_getfb(struct drm_device *dev,
void *data, struct drm_file *file_priv);
int drm_mode_getfb2_ioctl(struct drm_device *dev,
void *data, struct drm_file *file_priv);
int drm_mode_dirtyfb_ioctl(struct drm_device *dev,
void *data, struct drm_file *file_priv);