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drm/i915/sdvo: Port the infoframe code to the shared infrastructure

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Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni at intel.com>
Signed-off-by: Thierry Reding <thierry.reding at avionic-design.de>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Damien Lespiau 2013-08-06 20:32:20 +01:00 committed by Daniel Vetter
parent 5adaea799c
commit 15dcd35021
1 changed files with 20 additions and 18 deletions
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38
drivers/gpu/drm/i915/intel_sdvo.c
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@ -963,30 +963,32 @@ static bool intel_sdvo_write_infoframe(struct intel_sdvo *intel_sdvo,
static bool intel_sdvo_set_avi_infoframe(struct intel_sdvo *intel_sdvo,
const struct drm_display_mode *adjusted_mode)
{
struct dip_infoframe avi_if = {
.type = DIP_TYPE_AVI,
.ver = DIP_VERSION_AVI,
.len = DIP_LEN_AVI,
};
uint8_t sdvo_data[4 + sizeof(avi_if.body.avi)];
struct intel_crtc *intel_crtc = to_intel_crtc(intel_sdvo->base.base.crtc);
uint8_t sdvo_data[HDMI_INFOFRAME_SIZE(AVI)];
struct drm_crtc *crtc = intel_sdvo->base.base.crtc;
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
union hdmi_infoframe frame;
int ret;
ssize_t len;
ret = drm_hdmi_avi_infoframe_from_display_mode(&frame.avi,
adjusted_mode);
if (ret < 0) {
DRM_ERROR("couldn't fill AVI infoframe\n");
return false;
}
if (intel_sdvo->rgb_quant_range_selectable) {
if (intel_crtc->config.limited_color_range)
avi_if.body.avi.ITC_EC_Q_SC |= DIP_AVI_RGB_QUANT_RANGE_LIMITED;
frame.avi.quantization_range =
HDMI_QUANTIZATION_RANGE_LIMITED;
else
avi_if.body.avi.ITC_EC_Q_SC |= DIP_AVI_RGB_QUANT_RANGE_FULL;
frame.avi.quantization_range =
HDMI_QUANTIZATION_RANGE_FULL;
}
avi_if.body.avi.VIC = drm_match_cea_mode(adjusted_mode);
intel_dip_infoframe_csum(&avi_if);
/* sdvo spec says that the ecc is handled by the hw, and it looks like
* we must not send the ecc field, either. */
memcpy(sdvo_data, &avi_if, 3);
sdvo_data[3] = avi_if.checksum;
memcpy(&sdvo_data[4], &avi_if.body, sizeof(avi_if.body.avi));
len = hdmi_infoframe_pack(&frame, sdvo_data, sizeof(sdvo_data));
if (len < 0)
return false;
return intel_sdvo_write_infoframe(intel_sdvo, SDVO_HBUF_INDEX_AVI_IF,
SDVO_HBUF_TX_VSYNC,