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Commit 298b0b39 authored by Jesse Barnes's avatar Jesse Barnes Committed by Chris Wilson
Browse files

drm/i915/dp: make eDP PLL functions work as advertised 



Signed-off-by: default avatarJesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
parent 895692be

drivers/gpu/drm/i915/intel_dp.c

+4 −2
Original line number Diff line number Diff line
@@ -891,8 +891,10 @@ static void ironlake_edp_pll_on(struct drm_encoder *encoder) 


	DRM_DEBUG_KMS("\n");

	dpa_ctl = I915_READ(DP_A);

	dpa_ctl &= ~DP_PLL_ENABLE;

	dpa_ctl |= DP_PLL_ENABLE;

	I915_WRITE(DP_A, dpa_ctl);

	POSTING_READ(DP_A);

	udelay(200);

}



static void ironlake_edp_pll_off(struct drm_encoder *encoder)
@@ -902,7 +904,7 @@ static void ironlake_edp_pll_off(struct drm_encoder *encoder) 
	u32 dpa_ctl;



	dpa_ctl = I915_READ(DP_A);

	dpa_ctl |= DP_PLL_ENABLE;

	dpa_ctl &= ~DP_PLL_ENABLE;

	I915_WRITE(DP_A, dpa_ctl);

	POSTING_READ(DP_A);

	udelay(200);