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path: root/drivers/gpu/drm/i915/intel_hdmi.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_hdmi.c')
-rw-r--r--drivers/gpu/drm/i915/intel_hdmi.c26
1 files changed, 14 insertions, 12 deletions
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index 3b28ed3237d3..9eafa191cee2 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -113,17 +113,18 @@ static u32 hsw_infoframe_enable(enum hdmi_infoframe_type type)
}
}
-static u32 hsw_infoframe_data_reg(enum hdmi_infoframe_type type,
- enum transcoder cpu_transcoder,
- struct drm_i915_private *dev_priv)
+static u32 hsw_dip_data_reg(struct drm_i915_private *dev_priv,
+ enum transcoder cpu_transcoder,
+ enum hdmi_infoframe_type type,
+ int i)
{
switch (type) {
case HDMI_INFOFRAME_TYPE_AVI:
- return HSW_TVIDEO_DIP_AVI_DATA(cpu_transcoder);
+ return HSW_TVIDEO_DIP_AVI_DATA(cpu_transcoder, i);
case HDMI_INFOFRAME_TYPE_SPD:
- return HSW_TVIDEO_DIP_SPD_DATA(cpu_transcoder);
+ return HSW_TVIDEO_DIP_SPD_DATA(cpu_transcoder, i);
case HDMI_INFOFRAME_TYPE_VENDOR:
- return HSW_TVIDEO_DIP_VS_DATA(cpu_transcoder);
+ return HSW_TVIDEO_DIP_VS_DATA(cpu_transcoder, i);
default:
DRM_DEBUG_DRIVER("unknown info frame type %d\n", type);
return 0;
@@ -365,14 +366,13 @@ static void hsw_write_infoframe(struct drm_encoder *encoder,
struct drm_device *dev = encoder->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_crtc *intel_crtc = to_intel_crtc(encoder->crtc);
- u32 ctl_reg = HSW_TVIDEO_DIP_CTL(intel_crtc->config->cpu_transcoder);
+ enum transcoder cpu_transcoder = intel_crtc->config->cpu_transcoder;
+ u32 ctl_reg = HSW_TVIDEO_DIP_CTL(cpu_transcoder);
u32 data_reg;
int i;
u32 val = I915_READ(ctl_reg);
- data_reg = hsw_infoframe_data_reg(type,
- intel_crtc->config->cpu_transcoder,
- dev_priv);
+ data_reg = hsw_dip_data_reg(dev_priv, cpu_transcoder, type, 0);
if (data_reg == 0)
return;
@@ -381,12 +381,14 @@ static void hsw_write_infoframe(struct drm_encoder *encoder,
mmiowb();
for (i = 0; i < len; i += 4) {
- I915_WRITE(data_reg + i, *data);
+ I915_WRITE(hsw_dip_data_reg(dev_priv, cpu_transcoder,
+ type, i >> 2), *data);
data++;
}
/* Write every possible data byte to force correct ECC calculation. */
for (; i < VIDEO_DIP_DATA_SIZE; i += 4)
- I915_WRITE(data_reg + i, 0);
+ I915_WRITE(hsw_dip_data_reg(dev_priv, cpu_transcoder,
+ type, i >> 2), 0);
mmiowb();
val |= hsw_infoframe_enable(type);