drm: pin new and unpin old buffer when setting a mode.

This removes the requirement for user space to pin a buffer before
setting a mode that is backed by the pixels from that buffer.

Signed-off-by: Kristian Høgsberg <krh@redhat.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@linux.ie>
This commit is contained in:
Kristian Høgsberg
2008-12-17 22:14:46 -05:00
committed by Dave Airlie
parent d1e22c6ed0
commit 3c4fdcfb29
3 changed files with 55 additions and 18 deletions

View File

@@ -55,10 +55,12 @@ struct drm_crtc_helper_funcs {
struct drm_display_mode *adjusted_mode);
/* Actually set the mode */
void (*mode_set)(struct drm_crtc *crtc, struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode, int x, int y);
struct drm_display_mode *adjusted_mode, int x, int y,
struct drm_framebuffer *old_fb);
/* Move the crtc on the current fb to the given position *optional* */
void (*mode_set_base)(struct drm_crtc *crtc, int x, int y);
void (*mode_set_base)(struct drm_crtc *crtc, int x, int y,
struct drm_framebuffer *old_fb);
};
struct drm_encoder_helper_funcs {
@@ -93,7 +95,8 @@ extern bool drm_helper_initial_config(struct drm_device *dev, bool can_grow);
extern int drm_crtc_helper_set_config(struct drm_mode_set *set);
extern bool drm_crtc_helper_set_mode(struct drm_crtc *crtc,
struct drm_display_mode *mode,
int x, int y);
int x, int y,
struct drm_framebuffer *old_fb);
extern bool drm_helper_crtc_in_use(struct drm_crtc *crtc);
extern int drm_helper_mode_fill_fb_struct(struct drm_framebuffer *fb,