summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/exynos/exynos_drm_fb.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_drm_fb.h')
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_fb.h17
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 8b3e12f97719..3ecb30d93552 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