[PATCH 02/14] drm: Pass the display mode to drm_calc_vbltimestamp_from_scanoutpos()

[ville.syrjala@xxxxxxxxxxxxxxx]

From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>

Rather than using crtc->hwmode, just pass the relevant mode to
drm_calc_vbltimestamp_from_scanoutpos(). This removes the last hwmode
usage from core drm.

Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
 drivers/gpu/drm/drm_irq.c           | 6 +++---
 drivers/gpu/drm/i915/i915_irq.c     | 3 ++-
 drivers/gpu/drm/radeon/radeon_kms.c | 2 +-
 include/drm/drmP.h                  | 3 ++-
 4 files changed, 8 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c
index 679417d..7702614 100644
--- a/drivers/gpu/drm/drm_irq.c
+++ b/drivers/gpu/drm/drm_irq.c
@@ -522,6 +522,7 @@ EXPORT_SYMBOL(drm_calc_timestamping_constants);
  *         0 = Default.
  *         DRM_CALLED_FROM_VBLIRQ = If function is called from vbl irq handler.
  * @refcrtc: drm_crtc* of crtc which defines scanout timing.
+ * @mode: mode which defines the scanout timings
  *
  * Returns negative value on error, failure or if not supported in current
  * video mode:
@@ -541,11 +542,11 @@ int drm_calc_vbltimestamp_from_scanoutpos(struct drm_device *dev, int crtc,
 					  int *max_error,
 					  struct timeval *vblank_time,
 					  unsigned flags,
-					  struct drm_crtc *refcrtc)
+					  const struct drm_crtc *refcrtc,
+					  const struct drm_display_mode *mode)
 {
 	ktime_t stime, etime, mono_time_offset;
 	struct timeval tv_etime;
-	struct drm_display_mode *mode;
 	int vbl_status, vtotal, vdisplay;
 	int vpos, hpos, i;
 	s64 framedur_ns, linedur_ns, pixeldur_ns, delta_ns, duration_ns;
@@ -562,7 +563,6 @@ int drm_calc_vbltimestamp_from_scanoutpos(struct drm_device *dev, int crtc,
 		return -EIO;
 	}
 
-	mode = &refcrtc->hwmode;
 	vtotal = mode->crtc_vtotal;
 	vdisplay = mode->crtc_vdisplay;
 
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 5a60d89..2b19989 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -790,7 +790,8 @@ static int i915_get_vblank_timestamp(struct drm_device *dev, int pipe,
 	/* Helper routine in DRM core does all the work: */
 	return drm_calc_vbltimestamp_from_scanoutpos(dev, pipe, max_error,
 						     vblank_time, flags,
-						     crtc);
+						     crtc,
+						     &to_intel_crtc(crtc)->config.adjusted_mode);
 }
 
 static bool intel_hpd_irq_event(struct drm_device *dev,
diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c
index d6b3676..80896a1 100644
--- a/drivers/gpu/drm/radeon/radeon_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_kms.c
@@ -670,7 +670,7 @@ int radeon_get_vblank_timestamp_kms(struct drm_device *dev, int crtc,
 	/* Helper routine in DRM core does all the work: */
 	return drm_calc_vbltimestamp_from_scanoutpos(dev, crtc, max_error,
 						     vblank_time, flags,
-						     drmcrtc);
+						     drmcrtc, &drmcrtc->hwmode);
 }
 
 #define KMS_INVALID_IOCTL(name)						\
diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index 99f49ea..14d4046 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -1418,7 +1418,8 @@ extern int drm_calc_vbltimestamp_from_scanoutpos(struct drm_device *dev,
 						 int crtc, int *max_error,
 						 struct timeval *vblank_time,
 						 unsigned flags,
-						 struct drm_crtc *refcrtc);
+						 const struct drm_crtc *refcrtc,
+						 const struct drm_display_mode *mode);
 extern void drm_calc_timestamping_constants(struct drm_crtc *crtc,
 					    const struct drm_display_mode *mode);
 
-- 
1.8.1.5

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