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path: root/drivers/gpu/drm/i915/intel_sdvo.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_sdvo.c')
-rw-r--r--drivers/gpu/drm/i915/intel_sdvo.c67
1 files changed, 51 insertions, 16 deletions
diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index c275bf0fa36d..d07a8cdf998e 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -103,6 +103,7 @@ struct intel_sdvo {
* It is only valid when using TMDS encoding and 8 bit per color mode.
*/
uint32_t color_range;
+ bool color_range_auto;
/**
* This is set if we're going to treat the device as TV-out.
@@ -125,6 +126,7 @@ struct intel_sdvo {
bool is_hdmi;
bool has_hdmi_monitor;
bool has_hdmi_audio;
+ bool rgb_quant_range_selectable;
/**
* This is set if we detect output of sdvo device as LVDS and
@@ -946,7 +948,8 @@ static bool intel_sdvo_write_infoframe(struct intel_sdvo *intel_sdvo,
&tx_rate, 1);
}
-static bool intel_sdvo_set_avi_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,
@@ -955,6 +958,13 @@ static bool intel_sdvo_set_avi_infoframe(struct intel_sdvo *intel_sdvo)
};
uint8_t sdvo_data[4 + sizeof(avi_if.body.avi)];
+ if (intel_sdvo->rgb_quant_range_selectable) {
+ if (adjusted_mode->private_flags & INTEL_MODE_LIMITED_COLOR_RANGE)
+ avi_if.body.avi.ITC_EC_Q_SC |= DIP_AVI_RGB_QUANT_RANGE_LIMITED;
+ else
+ avi_if.body.avi.ITC_EC_Q_SC |= DIP_AVI_RGB_QUANT_RANGE_FULL;
+ }
+
intel_dip_infoframe_csum(&avi_if);
/* sdvo spec says that the ecc is handled by the hw, and it looks like
@@ -1064,6 +1074,18 @@ static bool intel_sdvo_mode_fixup(struct drm_encoder *encoder,
multiplier = intel_sdvo_get_pixel_multiplier(adjusted_mode);
intel_mode_set_pixel_multiplier(adjusted_mode, multiplier);
+ if (intel_sdvo->color_range_auto) {
+ /* See CEA-861-E - 5.1 Default Encoding Parameters */
+ if (intel_sdvo->has_hdmi_monitor &&
+ drm_match_cea_mode(adjusted_mode) > 1)
+ intel_sdvo->color_range = SDVO_COLOR_RANGE_16_235;
+ else
+ intel_sdvo->color_range = 0;
+ }
+
+ if (intel_sdvo->color_range)
+ adjusted_mode->private_flags |= INTEL_MODE_LIMITED_COLOR_RANGE;
+
return true;
}
@@ -1121,7 +1143,7 @@ static void intel_sdvo_mode_set(struct drm_encoder *encoder,
intel_sdvo_set_encode(intel_sdvo, SDVO_ENCODE_HDMI);
intel_sdvo_set_colorimetry(intel_sdvo,
SDVO_COLORIMETRY_RGB256);
- intel_sdvo_set_avi_infoframe(intel_sdvo);
+ intel_sdvo_set_avi_infoframe(intel_sdvo, adjusted_mode);
} else
intel_sdvo_set_encode(intel_sdvo, SDVO_ENCODE_DVI);
@@ -1153,7 +1175,7 @@ static void intel_sdvo_mode_set(struct drm_encoder *encoder,
/* The real mode polarity is set by the SDVO commands, using
* struct intel_sdvo_dtd. */
sdvox = SDVO_VSYNC_ACTIVE_HIGH | SDVO_HSYNC_ACTIVE_HIGH;
- if (intel_sdvo->is_hdmi)
+ if (!HAS_PCH_SPLIT(dev) && intel_sdvo->is_hdmi)
sdvox |= intel_sdvo->color_range;
if (INTEL_INFO(dev)->gen < 5)
sdvox |= SDVO_BORDER_ENABLE;
@@ -1513,6 +1535,8 @@ intel_sdvo_tmds_sink_detect(struct drm_connector *connector)
if (intel_sdvo->is_hdmi) {
intel_sdvo->has_hdmi_monitor = drm_detect_hdmi_monitor(edid);
intel_sdvo->has_hdmi_audio = drm_detect_monitor_audio(edid);
+ intel_sdvo->rgb_quant_range_selectable =
+ drm_rgb_quant_range_selectable(edid);
}
} else
status = connector_status_disconnected;
@@ -1564,6 +1588,7 @@ intel_sdvo_detect(struct drm_connector *connector, bool force)
intel_sdvo->has_hdmi_monitor = false;
intel_sdvo->has_hdmi_audio = false;
+ intel_sdvo->rgb_quant_range_selectable = false;
if ((intel_sdvo_connector->output_flag & response) == 0)
ret = connector_status_disconnected;
@@ -1897,10 +1922,21 @@ intel_sdvo_set_property(struct drm_connector *connector,
}
if (property == dev_priv->broadcast_rgb_property) {
- if (val == !!intel_sdvo->color_range)
- return 0;
-
- intel_sdvo->color_range = val ? SDVO_COLOR_RANGE_16_235 : 0;
+ switch (val) {
+ case INTEL_BROADCAST_RGB_AUTO:
+ intel_sdvo->color_range_auto = true;
+ break;
+ case INTEL_BROADCAST_RGB_FULL:
+ intel_sdvo->color_range_auto = false;
+ intel_sdvo->color_range = 0;
+ break;
+ case INTEL_BROADCAST_RGB_LIMITED:
+ intel_sdvo->color_range_auto = false;
+ intel_sdvo->color_range = SDVO_COLOR_RANGE_16_235;
+ break;
+ default:
+ return -EINVAL;
+ }
goto done;
}
@@ -1997,11 +2033,8 @@ set_value:
done:
- if (intel_sdvo->base.base.crtc) {
- struct drm_crtc *crtc = intel_sdvo->base.base.crtc;
- intel_set_mode(crtc, &crtc->mode,
- crtc->x, crtc->y, crtc->fb);
- }
+ if (intel_sdvo->base.base.crtc)
+ intel_crtc_restore_mode(intel_sdvo->base.base.crtc);
return 0;
#undef CHECK_PROPERTY
@@ -2010,7 +2043,6 @@ done:
static const struct drm_encoder_helper_funcs intel_sdvo_helper_funcs = {
.mode_fixup = intel_sdvo_mode_fixup,
.mode_set = intel_sdvo_mode_set,
- .disable = intel_encoder_noop,
};
static const struct drm_connector_funcs intel_sdvo_connector_funcs = {
@@ -2200,13 +2232,16 @@ intel_sdvo_connector_init(struct intel_sdvo_connector *connector,
}
static void
-intel_sdvo_add_hdmi_properties(struct intel_sdvo_connector *connector)
+intel_sdvo_add_hdmi_properties(struct intel_sdvo *intel_sdvo,
+ struct intel_sdvo_connector *connector)
{
struct drm_device *dev = connector->base.base.dev;
intel_attach_force_audio_property(&connector->base.base);
- if (INTEL_INFO(dev)->gen >= 4 && IS_MOBILE(dev))
+ if (INTEL_INFO(dev)->gen >= 4 && IS_MOBILE(dev)) {
intel_attach_broadcast_rgb_property(&connector->base.base);
+ intel_sdvo->color_range_auto = true;
+ }
}
static bool
@@ -2254,7 +2289,7 @@ intel_sdvo_dvi_init(struct intel_sdvo *intel_sdvo, int device)
intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
if (intel_sdvo->is_hdmi)
- intel_sdvo_add_hdmi_properties(intel_sdvo_connector);
+ intel_sdvo_add_hdmi_properties(intel_sdvo, intel_sdvo_connector);
return true;
}