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>
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committed by
Dave Airlie

parent
d1e22c6ed0
commit
3c4fdcfb29
@@ -55,10 +55,12 @@ struct drm_crtc_helper_funcs {
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struct drm_display_mode *adjusted_mode);
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/* Actually set the mode */
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void (*mode_set)(struct drm_crtc *crtc, struct drm_display_mode *mode,
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struct drm_display_mode *adjusted_mode, int x, int y);
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struct drm_display_mode *adjusted_mode, int x, int y,
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struct drm_framebuffer *old_fb);
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/* Move the crtc on the current fb to the given position *optional* */
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void (*mode_set_base)(struct drm_crtc *crtc, int x, int y);
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void (*mode_set_base)(struct drm_crtc *crtc, int x, int y,
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struct drm_framebuffer *old_fb);
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};
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struct drm_encoder_helper_funcs {
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@@ -93,7 +95,8 @@ extern bool drm_helper_initial_config(struct drm_device *dev, bool can_grow);
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extern int drm_crtc_helper_set_config(struct drm_mode_set *set);
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extern bool drm_crtc_helper_set_mode(struct drm_crtc *crtc,
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struct drm_display_mode *mode,
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int x, int y);
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int x, int y,
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struct drm_framebuffer *old_fb);
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extern bool drm_helper_crtc_in_use(struct drm_crtc *crtc);
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extern int drm_helper_mode_fill_fb_struct(struct drm_framebuffer *fb,
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