Calls to switch between high and low refresh rates based on calls made to
fb_invalidate and fb_flush.
Signed-off-by: Vandana Kannan <vandana.kan...@intel.com>
---
drivers/gpu/drm/i915/intel_display.c | 5 ++++
drivers/gpu/drm/i915/intel_dp.c | 51 ++++++++++++++++++++++++++++++++++++
drivers/gpu/drm/i915/intel_drv.h | 3 +++
3 files changed, 59 insertions(+)
diff --git a/drivers/gpu/drm/i915/intel_display.c
b/drivers/gpu/drm/i915/intel_display.c
index 6d6214a..3bf1732 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -9146,6 +9146,11 @@ static void intel_mark_fb_busy(struct drm_device *dev,
intel_increase_pllclock(dev, pipe);
if (ring && intel_fbc_enabled(dev))
ring->fbc_dirty = true;
+
+ if (ring)
+ intel_edp_drrs_invalidate(dev, frontbuffer_bits);
+ else
+ intel_edp_drrs_flush(dev, frontbuffer_bits);
}
}
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index d50249e..bd0415b 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -4949,6 +4949,57 @@ unlock:
mutex_unlock(&dev_priv->drrs.mutex);
}
+void intel_edp_drrs_invalidate(struct drm_device *dev,
+ unsigned frontbuffer_bits)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_crtc *crtc;
+ enum pipe pipe;
+
+ mutex_lock(&dev_priv->drrs.mutex);
+ if (!dev_priv->drrs.dp) {
+ mutex_unlock(&dev_priv->drrs.mutex);
+ return;
+ }
+
+ crtc = dp_to_dig_port(dev_priv->drrs.dp)->base.base.crtc;
+ pipe = to_intel_crtc(crtc)->pipe;
+
+ if (dev_priv->drrs.refresh_rate_type == DRRS_LOW_RR)
+ intel_dp_set_drrs_state(dev_priv->dev,
+ dev_priv->drrs.dp->attached_connector->panel.
+ fixed_mode->vrefresh);
+
+ frontbuffer_bits &= INTEL_FRONTBUFFER_ALL_MASK(pipe);
+
+ dev_priv->drrs.busy_frontbuffer_bits |= frontbuffer_bits;
+ mutex_unlock(&dev_priv->drrs.mutex);
+}
+
+void intel_edp_drrs_flush(struct drm_device *dev,
+ unsigned frontbuffer_bits)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_crtc *crtc;
+ enum pipe pipe;
+
+ mutex_lock(&dev_priv->drrs.mutex);
+ if (!dev_priv->drrs.dp) {
+ mutex_unlock(&dev_priv->drrs.mutex);
+ return;
+ }
+
+ crtc = dp_to_dig_port(dev_priv->drrs.dp)->base.base.crtc;
+ pipe = to_intel_crtc(crtc)->pipe;
+ dev_priv->drrs.busy_frontbuffer_bits &= ~frontbuffer_bits;
+
+ if (dev_priv->drrs.refresh_rate_type != DRRS_LOW_RR &&
+ !dev_priv->psr.busy_frontbuffer_bits)
+ schedule_delayed_work(&dev_priv->drrs.work,
+ msecs_to_jiffies(100));
+ mutex_unlock(&dev_priv->drrs.mutex);
+}
+
static struct drm_display_mode *
intel_dp_drrs_init(struct intel_connector *intel_connector,
struct drm_display_mode *fixed_mode)
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index a728cc8..380bfe4 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -929,6 +929,9 @@ void intel_edp_psr_init(struct drm_device *dev);
void intel_edp_drrs_enable(struct intel_dp *intel_dp);
void intel_edp_drrs_disable(struct intel_dp *intel_dp);
+void intel_edp_drrs_invalidate(struct drm_device *dev,
+ unsigned frontbuffer_bits);
+void intel_edp_drrs_flush(struct drm_device *dev, unsigned frontbuffer_bits);
int intel_dp_handle_hpd_irq(struct intel_digital_port *digport, bool long_hpd);
void intel_dp_add_properties(struct intel_dp *intel_dp, struct drm_connector
*connector);
--
2.0.1
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
http://lists.freedesktop.org/mailman/listinfo/intel-gfx
