From: Sagar Arun Kamble <sagar.a.kamble@xxxxxxxxx>
This patch will inform GuC SLPC about changes in the refresh rate
due to Seamless DRRS. Refresh rate changes due to Static DRRS will
be notified via commit path.
Signed-off-by: Sagar Arun Kamble <sagar.a.kamble@xxxxxxxxx>
Acked-by: Tom O'Rourke <Tom.O'Rourke@xxxxxxxxx>
---
drivers/gpu/drm/i915/intel_dp.c | 2 ++
drivers/gpu/drm/i915/intel_slpc.c | 22 ++++++++++++++++++++++
drivers/gpu/drm/i915/intel_slpc.h | 1 +
3 files changed, 25 insertions(+)
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index e2bea710..5100e8c 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -5434,6 +5434,8 @@ static void intel_dp_set_drrs_state(struct drm_device *dev, int refresh_rate)
dev_priv->drrs.refresh_rate_type = index;
DRM_DEBUG_KMS("eDP Refresh Rate set to : %dHz\n", refresh_rate);
+
+ intel_slpc_update_display_rr_info(dev, refresh_rate);
}
/**
diff --git a/drivers/gpu/drm/i915/intel_slpc.c b/drivers/gpu/drm/i915/intel_slpc.c
index f5f7cad..c15ab19 100644
--- a/drivers/gpu/drm/i915/intel_slpc.c
+++ b/drivers/gpu/drm/i915/intel_slpc.c
@@ -317,3 +317,25 @@ int intel_slpc_update_display_mode_info(struct drm_device *dev)
return 0;
}
+
+int intel_slpc_update_display_rr_info(struct drm_device *dev, u32 refresh_rate)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_crtc *crtc;
+ struct intel_display_pipe_basic_info *per_pipe_info;
+ struct intel_slpc_display_mode_event_params *display_params;
+
+ if (!HAS_SLPC(dev))
+ return -EINVAL;
+
+ display_params = &dev_priv->guc.slpc.display_mode_params;
+ crtc = dp_to_dig_port(dev_priv->drrs.dp)->base.base.crtc;
+
+ per_pipe_info = &display_params->per_pipe_info[to_intel_crtc(crtc)->pipe];
+ per_pipe_info->refresh_rate = refresh_rate;
+ per_pipe_info->vsync_ft_usec = 1000000 / refresh_rate;
+
+ host2guc_slpc_display_mode_change(dev_priv);
+
+ return 0;
+}
diff --git a/drivers/gpu/drm/i915/intel_slpc.h b/drivers/gpu/drm/i915/intel_slpc.h
index 18e551b..bb1d12e 100644
--- a/drivers/gpu/drm/i915/intel_slpc.h
+++ b/drivers/gpu/drm/i915/intel_slpc.h
@@ -153,5 +153,6 @@ int intel_slpc_disable(struct drm_device *dev);
int intel_slpc_enable(struct drm_device *dev);
int intel_slpc_reset(struct drm_device *dev);
int intel_slpc_update_display_mode_info(struct drm_device *dev);
+int intel_slpc_update_display_rr_info(struct drm_device *dev, u32 refresh_rate);
#endif
--
1.9.1
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