diff options
Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_drm_fb.h')
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_fb.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fb.h b/drivers/gpu/drm/exynos/exynos_drm_fb.h index 8b3e12f..3ecb30d 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fb.h +++ b/drivers/gpu/drm/exynos/exynos_drm_fb.h @@ -28,11 +28,28 @@ #ifndef _EXYNOS_DRM_FB_H_ #define _EXYNOS_DRM_FB_H +static inline int exynos_drm_format_num_buffers(uint32_t format) +{ + switch (format) { + case DRM_FORMAT_NV12M: + case DRM_FORMAT_NV12MT: + return 2; + case DRM_FORMAT_YUV420M: + return 3; + default: + return 1; + } +} + struct drm_framebuffer * exynos_drm_framebuffer_init(struct drm_device *dev, struct drm_mode_fb_cmd2 *mode_cmd, struct drm_gem_object *obj); +/* get memory information of a drm framebuffer */ +struct exynos_drm_gem_buf *exynos_drm_fb_buffer(struct drm_framebuffer *fb, + int index); + void exynos_drm_mode_config_init(struct drm_device *dev); #endif |
