diff options
Diffstat (limited to 'drivers/gpu/drm/vc4/vc4_crtc.c')
| -rw-r--r-- | drivers/gpu/drm/vc4/vc4_crtc.c | 34 |
1 files changed, 10 insertions, 24 deletions
diff --git a/drivers/gpu/drm/vc4/vc4_crtc.c b/drivers/gpu/drm/vc4/vc4_crtc.c index 6ed53d2867c4..1b4dbe9e1c6d 100644 --- a/drivers/gpu/drm/vc4/vc4_crtc.c +++ b/drivers/gpu/drm/vc4/vc4_crtc.c @@ -151,10 +151,10 @@ int vc4_crtc_debugfs_regs(struct seq_file *m, void *unused) } #endif -int vc4_crtc_get_scanoutpos(struct drm_device *dev, unsigned int crtc_id, - unsigned int flags, int *vpos, int *hpos, - ktime_t *stime, ktime_t *etime, - const struct drm_display_mode *mode) +bool vc4_crtc_get_scanoutpos(struct drm_device *dev, unsigned int crtc_id, + bool in_vblank_irq, int *vpos, int *hpos, + ktime_t *stime, ktime_t *etime, + const struct drm_display_mode *mode) { struct vc4_dev *vc4 = to_vc4_dev(dev); struct drm_crtc *crtc = drm_crtc_from_index(dev, crtc_id); @@ -162,7 +162,7 @@ int vc4_crtc_get_scanoutpos(struct drm_device *dev, unsigned int crtc_id, u32 val; int fifo_lines; int vblank_lines; - int ret = 0; + bool ret = false; /* preempt_disable_rt() should go right here in PREEMPT_RT patchset. */ @@ -198,7 +198,7 @@ int vc4_crtc_get_scanoutpos(struct drm_device *dev, unsigned int crtc_id, fifo_lines = vc4_crtc->cob_size / mode->crtc_hdisplay; if (fifo_lines > 0) - ret |= DRM_SCANOUTPOS_VALID; + ret = true; /* HVS more than fifo_lines into frame for compositing? */ if (*vpos > fifo_lines) { @@ -216,7 +216,6 @@ int vc4_crtc_get_scanoutpos(struct drm_device *dev, unsigned int crtc_id, */ *vpos -= fifo_lines + 1; - ret |= DRM_SCANOUTPOS_ACCURATE; return ret; } @@ -229,10 +228,9 @@ int vc4_crtc_get_scanoutpos(struct drm_device *dev, unsigned int crtc_id, * We can't get meaningful readings wrt. scanline position of the PV * and need to make things up in a approximative but consistent way. */ - ret |= DRM_SCANOUTPOS_IN_VBLANK; vblank_lines = mode->vtotal - mode->vdisplay; - if (flags & DRM_CALLED_FROM_VBLIRQ) { + if (in_vblank_irq) { /* * Assume the irq handler got called close to first * line of vblank, so PV has about a full vblank @@ -254,9 +252,10 @@ int vc4_crtc_get_scanoutpos(struct drm_device *dev, unsigned int crtc_id, * we are at the very beginning of vblank, as the hvs just * started refilling, and the stime and etime timestamps * truly correspond to start of vblank. + * + * Unfortunately there's no way to report this to upper levels + * and make it more useful. */ - if ((val & SCALER_DISPSTATX_FULL) != SCALER_DISPSTATX_FULL) - ret |= DRM_SCANOUTPOS_ACCURATE; } else { /* * No clue where we are inside vblank. Return a vpos of zero, @@ -270,19 +269,6 @@ int vc4_crtc_get_scanoutpos(struct drm_device *dev, unsigned int crtc_id, return ret; } -bool vc4_crtc_get_vblank_timestamp(struct drm_device *dev, unsigned int crtc_id, - int *max_error, struct timeval *vblank_time, - bool in_vblank_irq) -{ - struct drm_crtc *crtc = drm_crtc_from_index(dev, crtc_id); - struct drm_crtc_state *state = crtc->state; - - /* Helper routine in DRM core does all the work: */ - return drm_calc_vbltimestamp_from_scanoutpos(dev, crtc_id, max_error, - vblank_time, in_vblank_irq, - &state->adjusted_mode); -} - static void vc4_crtc_destroy(struct drm_crtc *crtc) { drm_crtc_cleanup(crtc); |