Commit cb3543c6 authored by Eric Anholt's avatar Eric Anholt Committed by Chris Wilson

drm/i915: Set the transcoder port to none when disabling DP.

The specs say to do so.
Signed-off-by: default avatarEric Anholt <eric@anholt.net>
Signed-off-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
parent 308977ac
...@@ -3245,6 +3245,7 @@ ...@@ -3245,6 +3245,7 @@
#define TRANS_DP_PORT_SEL_B (0<<29) #define TRANS_DP_PORT_SEL_B (0<<29)
#define TRANS_DP_PORT_SEL_C (1<<29) #define TRANS_DP_PORT_SEL_C (1<<29)
#define TRANS_DP_PORT_SEL_D (2<<29) #define TRANS_DP_PORT_SEL_D (2<<29)
#define TRANS_DP_PORT_SEL_NONE (3<<29)
#define TRANS_DP_PORT_SEL_MASK (3<<29) #define TRANS_DP_PORT_SEL_MASK (3<<29)
#define TRANS_DP_AUDIO_ONLY (1<<26) #define TRANS_DP_AUDIO_ONLY (1<<26)
#define TRANS_DP_ENH_FRAMING (1<<18) #define TRANS_DP_ENH_FRAMING (1<<18)
......
...@@ -2818,6 +2818,7 @@ static void ironlake_crtc_disable(struct drm_crtc *crtc) ...@@ -2818,6 +2818,7 @@ static void ironlake_crtc_disable(struct drm_crtc *crtc)
reg = TRANS_DP_CTL(pipe); reg = TRANS_DP_CTL(pipe);
temp = I915_READ(reg); temp = I915_READ(reg);
temp &= ~(TRANS_DP_OUTPUT_ENABLE | TRANS_DP_PORT_SEL_MASK); temp &= ~(TRANS_DP_OUTPUT_ENABLE | TRANS_DP_PORT_SEL_MASK);
temp |= TRANS_DP_PORT_SEL_NONE;
I915_WRITE(reg, temp); I915_WRITE(reg, temp);
/* disable DPLL_SEL */ /* disable DPLL_SEL */
......
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