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drm/fb-helper: add DRM_FB_HELPER_DEFAULT_OPS for fb_ops

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The define DRM_FB_HELPER_DEFAULT_OPS provides the drm_fb_helper default
implementations for functions in struct fb_ops. A drm driver can use it
like:

    static struct fb_ops drm_fbdev_cma_ops = {
        .owner          = THIS_MODULE,
        DRM_FB_HELPER_DEFAULT_OPS,
        /* driver specific implementations */
    };

Suggested-by: Daniel Vetter <daniel@ffwll.ch>
Signed-off-by: Stefan Christ <contact@stefanchrist.eu>
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1475182136-15191-2-git-send-email-contact@stefanchrist.eu
This commit is contained in:
Stefan Christ 2016-09-29 22:48:37 +02:00 committed by Daniel Vetter
parent 61802130d8
commit 7406489390
1 changed files with 13 additions and 0 deletions
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13
include/drm/drm_fb_helper.h
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@ -217,6 +217,19 @@ struct drm_fb_helper {
bool delayed_hotplug;
};
/**
* @DRM_FB_HELPER_DEFAULT_OPS:
*
* Helper define to register default implementations of drm_fb_helper
* functions. To be used in struct fb_ops of drm drivers.
*/
#define DRM_FB_HELPER_DEFAULT_OPS \
.fb_check_var = drm_fb_helper_check_var, \
.fb_set_par = drm_fb_helper_set_par, \
.fb_setcmap = drm_fb_helper_setcmap, \
.fb_blank = drm_fb_helper_blank, \
.fb_pan_display = drm_fb_helper_pan_display
#ifdef CONFIG_DRM_FBDEV_EMULATION
void drm_fb_helper_prepare(struct drm_device *dev, struct drm_fb_helper *helper,
const struct drm_fb_helper_funcs *funcs);