drm: Pass the display mode to drm_calc_vbltimestamp_from_scanoutpos()

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.

Reviewed-by: mario.kleiner.de@gmail.com
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>

4 files changed, 8 insertions, 6 deletions

diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c
index 3837132086f0..db93b07723dd 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 6d11e253218a..b6e4a762806b 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -809,7 +809,8 @@ 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 5bf50cec017e..5444948cf01d 100644
--- a/drivers/gpu/drm/radeon/radeon_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_kms.c
@@ -712,7 +712,7 @@ 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 46bf8ae7e302..3f57c77acef8 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -1401,7 +1401,8 @@ 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);