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Commit 32608ca2 authored by Imre Deak's avatar Imre Deak Committed by Daniel Vetter
Browse files

drm/i915/bxt: add GEN8_SDEUNIT_CLOCK_GATE_DISABLE workaround 



Signed-off-by: default avatarImre Deak <imre.deak@intel.com>
Reviewed-by: default avatarNick Hoath <nicholas.hoath@intel.com>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent a82abe43

drivers/gpu/drm/i915/intel_pm.c

+11 −0
Original line number Diff line number Diff line
@@ -96,7 +96,18 @@ static void skl_init_clock_gating(struct drm_device *dev) 


static void bxt_init_clock_gating(struct drm_device *dev)

{

	struct drm_i915_private *dev_priv = dev->dev_private;



	gen9_init_clock_gating(dev);



	/*

	 * FIXME:

	 * GEN8_SDEUNIT_CLOCK_GATE_DISABLE applies on A0 only.

	 */

	 /* WaDisableSDEUnitClockGating:bxt */

	I915_WRITE(GEN8_UCGCTL6, I915_READ(GEN8_UCGCTL6) |

		   GEN8_SDEUNIT_CLOCK_GATE_DISABLE);



}



static void i915_pineview_get_mem_freq(struct drm_device *dev)