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Merge tag 'drm-misc-fixes-2017-11-20' of git://anongit.freedesktop.org/drm/drm-misc into drm-next

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4.15 merge window fixes 1

* tag 'drm-misc-fixes-2017-11-20' of git://anongit.freedesktop.org/drm/drm-misc:
  drm/edid: Don't send non-zero YQ in AVI infoframe for HDMI 1.x sinks
  drm/vc4: Account for interrupts in flight
This commit is contained in:
Dave Airlie 2017-11-24 11:33:29 +10:00
commit c209101fc1
5 changed files with 22 additions and 5 deletions
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12
drivers/gpu/drm/drm_edid.c
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@ -4831,7 +4831,8 @@ void
drm_hdmi_avi_infoframe_quant_range(struct hdmi_avi_infoframe *frame,
const struct drm_display_mode *mode,
enum hdmi_quantization_range rgb_quant_range,
bool rgb_quant_range_selectable)
bool rgb_quant_range_selectable,
bool is_hdmi2_sink)
{
/*
* CEA-861:
@ -4855,8 +4856,15 @@ drm_hdmi_avi_infoframe_quant_range(struct hdmi_avi_infoframe *frame,
* YQ-field to match the RGB Quantization Range being transmitted
* (e.g., when Limited Range RGB, set YQ=0 or when Full Range RGB,
* set YQ=1) and the Sink shall ignore the YQ-field."
*
* Unfortunate certain sinks (eg. VIZ Model 67/E261VA) get confused
* by non-zero YQ when receiving RGB. There doesn't seem to be any
* good way to tell which version of CEA-861 the sink supports, so
* we limit non-zero YQ to HDMI 2.0 sinks only as HDMI 2.0 is based
* on on CEA-861-F.
*/
if (rgb_quant_range == HDMI_QUANTIZATION_RANGE_LIMITED)
if (!is_hdmi2_sink ||
rgb_quant_range == HDMI_QUANTIZATION_RANGE_LIMITED)
frame->ycc_quantization_range =
HDMI_YCC_QUANTIZATION_RANGE_LIMITED;
else