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yaml
---
r: 307415
b: refs/heads/master
c: fdf1250
h: refs/heads/master
i:
  307413: f4266b7
  307411: dd3482f
  307407: b6fd13a
v: v3
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Paulo Zanoni authored and Daniel Vetter committed May 8, 2012
1 parent f097c1c commit ae8e936
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Showing 2 changed files with 49 additions and 5 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: d47d7cb824ce54af33110a02164e9471a8a9c560
refs/heads/master: fdf1250aaae12625ee2abaf2ef22def0a4cdf71b
52 changes: 48 additions & 4 deletions trunk/drivers/gpu/drm/i915/intel_hdmi.c
Original file line number Diff line number Diff line change
Expand Up @@ -170,8 +170,48 @@ static void i9xx_write_infoframe(struct drm_encoder *encoder,
I915_WRITE(VIDEO_DIP_CTL, val);
}

static void ironlake_write_infoframe(struct drm_encoder *encoder,
struct dip_infoframe *frame)
static void ibx_write_infoframe(struct drm_encoder *encoder,
struct dip_infoframe *frame)
{
uint32_t *data = (uint32_t *)frame;
struct drm_device *dev = encoder->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct drm_crtc *crtc = encoder->crtc;
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
int reg = TVIDEO_DIP_CTL(intel_crtc->pipe);
unsigned i, len = DIP_HEADER_SIZE + frame->len;
u32 val = I915_READ(reg);

intel_wait_for_vblank(dev, intel_crtc->pipe);

val &= ~(VIDEO_DIP_SELECT_MASK | 0xf); /* clear DIP data offset */
val |= intel_infoframe_index(frame);

/* The DIP control register spec says that we need to update the AVI
* infoframe without clearing its enable bit */
if (frame->type == DIP_TYPE_AVI)
val |= VIDEO_DIP_ENABLE_AVI;
else
val &= ~intel_infoframe_enable(frame);

val |= VIDEO_DIP_ENABLE;

I915_WRITE(reg, val);

for (i = 0; i < len; i += 4) {
I915_WRITE(TVIDEO_DIP_DATA(intel_crtc->pipe), *data);
data++;
}

val |= intel_infoframe_enable(frame);
val &= ~VIDEO_DIP_FREQ_MASK;
val |= intel_infoframe_frequency(frame);

I915_WRITE(reg, val);
}

static void cpt_write_infoframe(struct drm_encoder *encoder,
struct dip_infoframe *frame)
{
uint32_t *data = (uint32_t *)frame;
struct drm_device *dev = encoder->dev;
Expand Down Expand Up @@ -627,8 +667,12 @@ void intel_hdmi_init(struct drm_device *dev, int sdvox_reg)
intel_hdmi->write_infoframe = vlv_write_infoframe;
for_each_pipe(i)
I915_WRITE(VLV_TVIDEO_DIP_CTL(i), 0);
} else {
intel_hdmi->write_infoframe = ironlake_write_infoframe;
} else if (HAS_PCH_IBX(dev)) {
intel_hdmi->write_infoframe = ibx_write_infoframe;
for_each_pipe(i)
I915_WRITE(TVIDEO_DIP_CTL(i), 0);
} else {
intel_hdmi->write_infoframe = cpt_write_infoframe;
for_each_pipe(i)
I915_WRITE(TVIDEO_DIP_CTL(i), 0);
}
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