Commit bdad2b2f authored by Ville Syrjälä's avatar Ville Syrjälä Committed by Daniel Vetter
Browse files

drm/i915: Disable trickle feed in ironlake_init_clock_gating() 



We disable trickle feed in all the (relevant) clock gating functions,
except ironlake_init_clock_gating(). Copy paste the same code there as
well.

Signed-off-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent 20f94967

drivers/gpu/drm/i915/intel_pm.c

+8 −0
Original line number Diff line number Diff line
@@ -4391,6 +4391,7 @@ static void ironlake_init_clock_gating(struct drm_device *dev) 
{

	struct drm_i915_private *dev_priv = dev->dev_private;

	uint32_t dspclk_gate = ILK_VRHUNIT_CLOCK_GATE_DISABLE;

	int pipe;



	/* Required for FBC */

	dspclk_gate |= ILK_DPFCRUNIT_CLOCK_GATE_DISABLE |
@@ -4450,6 +4451,13 @@ static void ironlake_init_clock_gating(struct drm_device *dev) 
	I915_WRITE(CACHE_MODE_0,

		   _MASKED_BIT_ENABLE(CM0_PIPELINED_RENDER_FLUSH_DISABLE));



	for_each_pipe(pipe) {

		I915_WRITE(DSPCNTR(pipe),

			   I915_READ(DSPCNTR(pipe)) |

			   DISPPLANE_TRICKLE_FEED_DISABLE);

		intel_flush_display_plane(dev_priv, pipe);

	}



	ibx_init_clock_gating(dev);

}