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Diffstat (limited to 'include/drm/drm_irq.h')
-rw-r--r--include/drm/drm_irq.h21
1 files changed, 16 insertions, 5 deletions
diff --git a/include/drm/drm_irq.h b/include/drm/drm_irq.h
index cf0be6594c8c..569ca86d4e1f 100644
--- a/include/drm/drm_irq.h
+++ b/include/drm/drm_irq.h
@@ -121,6 +121,18 @@ struct drm_vblank_crtc {
* drm_calc_timestamping_constants().
*/
int linedur_ns;
+
+ /**
+ * @hwmode:
+ *
+ * Cache of the current hardware display mode. Only valid when @enabled
+ * is set. This is used by helpers like
+ * drm_calc_vbltimestamp_from_scanoutpos(). We can't just access the
+ * hardware mode by e.g. looking at &drm_crtc_state.adjusted_mode,
+ * because that one is really hard to get from interrupt context.
+ */
+ struct drm_display_mode hwmode;
+
/**
* @enabled: Tracks the enabling state of the corresponding &drm_crtc to
* avoid double-disabling and hence corrupting saved state. Needed by
@@ -153,11 +165,10 @@ void drm_crtc_vblank_on(struct drm_crtc *crtc);
void drm_vblank_cleanup(struct drm_device *dev);
u32 drm_accurate_vblank_count(struct drm_crtc *crtc);
-int drm_calc_vbltimestamp_from_scanoutpos(struct drm_device *dev,
- unsigned int pipe, int *max_error,
- struct timeval *vblank_time,
- unsigned flags,
- const struct drm_display_mode *mode);
+bool drm_calc_vbltimestamp_from_scanoutpos(struct drm_device *dev,
+ unsigned int pipe, int *max_error,
+ struct timeval *vblank_time,
+ bool in_vblank_irq);
void drm_calc_timestamping_constants(struct drm_crtc *crtc,
const struct drm_display_mode *mode);