[Intel-gfx] [PATCH 2/2] drm/i915: add dp mst judgement in hsw_audio_codec_enable

[libin.yang at linux.intel.com]

From: Libin Yang <libin.yang at linux.intel.com>

hsw platforms supports DP MST while ilk doesn't.
This patch fixes the bug.

Signed-off-by: Libin Yang <libin.yang at linux.intel.com>
---
 drivers/gpu/drm/i915/intel_audio.c | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_audio.c b/drivers/gpu/drm/i915/intel_audio.c
index 431487a0..f46fa7b 100644
--- a/drivers/gpu/drm/i915/intel_audio.c
+++ b/drivers/gpu/drm/i915/intel_audio.c
@@ -255,6 +255,11 @@ static void g4x_audio_codec_enable(struct drm_connector *connector,
 	I915_WRITE(G4X_AUD_CNTL_ST, tmp);
 }
 
+/* pipe type is DP SST or DP MST */
+#define intel_pipe_is_dp(intel_crtc) \
+	(intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_DISPLAYPORT) || \
+	 intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_DP_MST))
+
 static void hsw_audio_codec_disable(struct intel_encoder *encoder)
 {
 	struct drm_i915_private *dev_priv = encoder->base.dev->dev_private;
@@ -272,8 +277,7 @@ static void hsw_audio_codec_disable(struct intel_encoder *encoder)
 	tmp |= AUD_CONFIG_N_PROG_ENABLE;
 	tmp &= ~AUD_CONFIG_UPPER_N_MASK;
 	tmp &= ~AUD_CONFIG_LOWER_N_MASK;
-	if (intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_DISPLAYPORT) ||
-	    intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_DP_MST))
+	if (intel_pipe_is_dp(intel_crtc))
 		tmp |= AUD_CONFIG_N_VALUE_INDEX;
 	I915_WRITE(HSW_AUD_CFG(pipe), tmp);
 
@@ -339,7 +343,7 @@ static void hsw_audio_codec_enable(struct drm_connector *connector,
 	tmp = I915_READ(HSW_AUD_CFG(pipe));
 	tmp &= ~AUD_CONFIG_N_VALUE_INDEX;
 	tmp &= ~AUD_CONFIG_PIXEL_CLOCK_HDMI_MASK;
-	if (intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_DISPLAYPORT))
+	if (intel_pipe_is_dp(intel_crtc))
 		tmp |= AUD_CONFIG_N_VALUE_INDEX;
 	else
 		tmp |= audio_config_hdmi_pixel_clock(adjusted_mode);
@@ -486,8 +490,7 @@ static void ilk_audio_codec_enable(struct drm_connector *connector,
 	tmp &= ~AUD_CONFIG_N_VALUE_INDEX;
 	tmp &= ~AUD_CONFIG_N_PROG_ENABLE;
 	tmp &= ~AUD_CONFIG_PIXEL_CLOCK_HDMI_MASK;
-	if (intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_DISPLAYPORT) ||
-	    intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_DP_MST))
+	if (intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_DISPLAYPORT))
 		tmp |= AUD_CONFIG_N_VALUE_INDEX;
 	else
 		tmp |= audio_config_hdmi_pixel_clock(adjusted_mode);
@@ -526,8 +529,7 @@ void intel_audio_codec_enable(struct intel_encoder *intel_encoder)
 
 	/* ELD Conn_Type */
 	connector->eld[5] &= ~(3 << 2);
-	if (intel_pipe_has_type(crtc, INTEL_OUTPUT_DISPLAYPORT) ||
-	    intel_pipe_has_type(crtc, INTEL_OUTPUT_DP_MST))
+	if (intel_pipe_is_dp(crtc))
 		connector->eld[5] |= (1 << 2);
 
 	connector->eld[6] = drm_av_sync_delay(connector, adjusted_mode) / 2;
-- 
1.9.1