From cb3543c6b14b145c6e35d0a36a48abfc6fe18600 Mon Sep 17 00:00:00 2001 From: Eric Anholt Date: Wed, 2 Feb 2011 12:08:07 -0800 Subject: drm/i915: Set the transcoder port to none when disabling DP. The specs say to do so. Signed-off-by: Eric Anholt Signed-off-by: Chris Wilson --- drivers/gpu/drm/i915/intel_display.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/gpu/drm/i915/intel_display.c') diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index a4acef6c147..b5f7acf5a9d 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -2818,6 +2818,7 @@ static void ironlake_crtc_disable(struct drm_crtc *crtc) reg = TRANS_DP_CTL(pipe); temp = I915_READ(reg); temp &= ~(TRANS_DP_OUTPUT_ENABLE | TRANS_DP_PORT_SEL_MASK); + temp |= TRANS_DP_PORT_SEL_NONE; I915_WRITE(reg, temp); /* disable DPLL_SEL */ -- cgit v1.2.3-70-g09d2