linux/include/drm/drm_fb_cma_helper.h
Yannick Fertre 4636ce93d5 drm/fb-cma-helper: Add drm_fb_cma_get_gem_addr()
Add function drm_fb_cma_get_gem_addr() which return the physical address
of framebuffer (1st pixel). This function will usually be called by plane
callback (atomic_update).

Signed-off-by: Yannick Fertre <yannick.fertre@st.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
Link: http://patchwork.freedesktop.org/patch/msgid/1492164819-10513-3-git-send-email-yannick.fertre@st.com
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
2017-04-14 11:30:28 -07:00

59 lines
1.9 KiB
C

#ifndef __DRM_FB_CMA_HELPER_H__
#define __DRM_FB_CMA_HELPER_H__
struct drm_fbdev_cma;
struct drm_gem_cma_object;
struct drm_fb_helper_surface_size;
struct drm_framebuffer_funcs;
struct drm_fb_helper_funcs;
struct drm_framebuffer;
struct drm_fb_helper;
struct drm_device;
struct drm_file;
struct drm_mode_fb_cmd2;
struct drm_plane;
struct drm_plane_state;
struct drm_fbdev_cma *drm_fbdev_cma_init_with_funcs(struct drm_device *dev,
unsigned int preferred_bpp, unsigned int max_conn_count,
const struct drm_framebuffer_funcs *funcs);
struct drm_fbdev_cma *drm_fbdev_cma_init(struct drm_device *dev,
unsigned int preferred_bpp, unsigned int max_conn_count);
void drm_fbdev_cma_fini(struct drm_fbdev_cma *fbdev_cma);
void drm_fbdev_cma_restore_mode(struct drm_fbdev_cma *fbdev_cma);
void drm_fbdev_cma_hotplug_event(struct drm_fbdev_cma *fbdev_cma);
void drm_fbdev_cma_set_suspend(struct drm_fbdev_cma *fbdev_cma, int state);
void drm_fbdev_cma_set_suspend_unlocked(struct drm_fbdev_cma *fbdev_cma,
int state);
void drm_fb_cma_destroy(struct drm_framebuffer *fb);
int drm_fb_cma_create_handle(struct drm_framebuffer *fb,
struct drm_file *file_priv, unsigned int *handle);
struct drm_framebuffer *drm_fb_cma_create_with_funcs(struct drm_device *dev,
struct drm_file *file_priv, const struct drm_mode_fb_cmd2 *mode_cmd,
const struct drm_framebuffer_funcs *funcs);
struct drm_framebuffer *drm_fb_cma_create(struct drm_device *dev,
struct drm_file *file_priv, const struct drm_mode_fb_cmd2 *mode_cmd);
struct drm_gem_cma_object *drm_fb_cma_get_gem_obj(struct drm_framebuffer *fb,
unsigned int plane);
dma_addr_t drm_fb_cma_get_gem_addr(struct drm_framebuffer *fb,
struct drm_plane_state *state,
unsigned int plane);
int drm_fb_cma_prepare_fb(struct drm_plane *plane,
struct drm_plane_state *state);
#ifdef CONFIG_DEBUG_FS
struct seq_file;
int drm_fb_cma_debugfs_show(struct seq_file *m, void *arg);
#endif
#endif