X-Git-Url: http://git.cascardo.info/?a=blobdiff_plain;f=drivers%2Fgpu%2Fdrm%2Fi915%2Fintel_display.c;h=175595fc3e45d239ce528662696167bac4c73327;hb=748e7fc20983fccd742e93c5b6a38ece1f71f80f;hp=2a751b6e0253552ee4be59edfe6aac675e50d4d3;hpb=ef0e1ea8856bed6ff8394d3dfe77f2cab487ecea;p=cascardo%2Flinux.git

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 2a751b6e0253..175595fc3e45 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -13759,6 +13759,13 @@ static void intel_atomic_commit_tail(struct drm_atomic_state *state)
 		     intel_state->cdclk_pll_vco != dev_priv->cdclk_pll.vco))
 			dev_priv->display.modeset_commit_cdclk(state);
 
+		/*
+		 * SKL workaround: bspec recommends we disable the SAGV when we
+		 * have more then one pipe enabled
+		 */
+		if (IS_SKYLAKE(dev_priv) && !skl_can_enable_sagv(state))
+			skl_disable_sagv(dev_priv);
+
 		intel_modeset_verify_disabled(dev);
 	}
 
@@ -13832,6 +13839,10 @@ static void intel_atomic_commit_tail(struct drm_atomic_state *state)
 		intel_modeset_verify_crtc(crtc, old_crtc_state, crtc->state);
 	}
 
+	if (IS_SKYLAKE(dev_priv) && intel_state->modeset &&
+	    skl_can_enable_sagv(state))
+		skl_enable_sagv(dev_priv);
+
 	drm_atomic_helper_commit_hw_done(state);
 
 	if (intel_state->modeset)