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drm: Store a pointer to drm_format_info under drm_framebuffer

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To avoid having to look up the format information struct every time,
let's just store a pointer to it under drm_framebuffer.

v2: Don't populate the fb->format pointer in drm_framebuffer_init().
    instead we'll treat a NULL format as an error later

Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com> (v1)
Link: http://patchwork.freedesktop.org/patch/msgid/1479498793-31021-20-git-send-email-ville.syrjala@linux.intel.com
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
This commit is contained in:
Ville Syrjälä 2016-11-18 21:52:55 +02:00
parent 95bce76015
commit e14c23c647
2 changed files with 5 additions and 0 deletions
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1
drivers/gpu/drm/drm_modeset_helper.c
View File

@ -91,6 +91,7 @@ void drm_helper_mode_fill_fb_struct(struct drm_device *dev,
}
fb->dev = dev;
fb->format = info;
fb->width = mode_cmd->width;
fb->height = mode_cmd->height;
for (i = 0; i < 4; i++) {

4
include/drm/drm_framebuffer.h
View File

@ -121,6 +121,10 @@ struct drm_framebuffer {
* @base: base modeset object structure, contains the reference count.
*/
struct drm_mode_object base;
/**
* @format: framebuffer format information
*/
const struct drm_format_info *format;
/**
* @funcs: framebuffer vfunc table
*/