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drm/fb-helper: Add drm_fb_helper_fbdev_setup/teardown()

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Add helpers to setup and teardown fbdev emulation.

Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20171215175119.36181-3-noralf@tronnes.org
This commit is contained in:
Noralf Trønnes
2017-12-15 18:51:14 +01:00
parent a65eb01ffc
commit 8741216396
2 changed files with 131 additions and 0 deletions
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25
include/drm/drm_fb_helper.h
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@@ -320,6 +320,13 @@ int drm_fb_helper_add_one_connector(struct drm_fb_helper *fb_helper, struct drm_
int drm_fb_helper_remove_one_connector(struct drm_fb_helper *fb_helper,
struct drm_connector *connector);
int drm_fb_helper_fbdev_setup(struct drm_device *dev,
struct drm_fb_helper *fb_helper,
const struct drm_fb_helper_funcs *funcs,
unsigned int preferred_bpp,
unsigned int max_conn_count);
void drm_fb_helper_fbdev_teardown(struct drm_device *dev);
void drm_fb_helper_lastclose(struct drm_device *dev);
void drm_fb_helper_output_poll_changed(struct drm_device *dev);
#else
@@ -525,6 +532,24 @@ drm_fb_helper_remove_one_connector(struct drm_fb_helper *fb_helper,
return 0;
}
static inline int
drm_fb_helper_fbdev_setup(struct drm_device *dev,
struct drm_fb_helper *fb_helper,
const struct drm_fb_helper_funcs *funcs,
unsigned int preferred_bpp,
unsigned int max_conn_count)
{
/* So drivers can use it to free the struct */
dev->fb_helper = fb_helper;
return 0;
}
static inline void drm_fb_helper_fbdev_teardown(struct drm_device *dev)
{
dev->fb_helper = NULL;
}
static inline void drm_fb_helper_lastclose(struct drm_device *dev)
{
}