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drm: Create a format/modifier blob

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Updated blob layout (Rob, Daniel, Kristian, xerpi)

v2:
* Removed __packed, and alignment (.+)
* Fix indent in drm_format_modifier fields (Liviu)
* Remove duplicated modifier > 64 check (Liviu)
* Change comment about modifier (Liviu)
* Remove arguments to blob creation, use plane instead (Liviu)
* Fix data types (Ben)
* Make the blob part of uapi (Daniel)

v3:
Remove unused ret field.
Change i, and j to unsigned int (Emil)

v4:
Use plane->modifier_count instead of recounting (Daniel)

v5:
Rename modifiers to modifiers_property (Ville)
Use sizeof(__u32) instead to reflect UAPI nature (Ville)
Make BUILD_BUG_ON for blob header size

Cc: Rob Clark <robdclark@gmail.com>
Cc: Kristian H. Kristensen <hoegsberg@gmail.com>
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Reviewed-by: Daniel Stone <daniels@collabora.com> (v2)
Reviewed-by: Liviu Dudau <liviu@dudau.co.uk> (v2)
Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com> (v3)
Signed-off-by: Daniel Stone <daniels@collabora.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170724034641.13369-2-ben@bwidawsk.net
This commit is contained in:
Ben Widawsky
2017-07-23 20:46:39 -07:00
committed by Daniel Stone
parent e6fc3b6855
commit db1689aa61
4 changed files with 147 additions and 0 deletions
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7
drivers/gpu/drm/drm_mode_config.c
View File

@@ -337,6 +337,13 @@ static int drm_mode_create_standard_properties(struct drm_device *dev)
return -ENOMEM;
dev->mode_config.gamma_lut_size_property = prop;
prop = drm_property_create(dev,
DRM_MODE_PROP_IMMUTABLE | DRM_MODE_PROP_BLOB,
"IN_FORMATS", 0);
if (!prop)
return -ENOMEM;
dev->mode_config.modifiers_property = prop;
return 0;
}