diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_hdmi.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_hdmi.c | 47 |
1 files changed, 44 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c index 94179fdf61f..4148cc85bf7 100644 --- a/drivers/gpu/drm/i915/intel_hdmi.c +++ b/drivers/gpu/drm/i915/intel_hdmi.c @@ -74,6 +74,8 @@ static u32 g4x_infoframe_index(enum hdmi_infoframe_type type) return VIDEO_DIP_SELECT_AVI; case HDMI_INFOFRAME_TYPE_SPD: return VIDEO_DIP_SELECT_SPD; + case HDMI_INFOFRAME_TYPE_VENDOR: + return VIDEO_DIP_SELECT_VENDOR; default: DRM_DEBUG_DRIVER("unknown info frame type %d\n", type); return 0; @@ -87,6 +89,8 @@ static u32 g4x_infoframe_enable(enum hdmi_infoframe_type type) return VIDEO_DIP_ENABLE_AVI; case HDMI_INFOFRAME_TYPE_SPD: return VIDEO_DIP_ENABLE_SPD; + case HDMI_INFOFRAME_TYPE_VENDOR: + return VIDEO_DIP_ENABLE_VENDOR; default: DRM_DEBUG_DRIVER("unknown info frame type %d\n", type); return 0; @@ -100,6 +104,8 @@ static u32 hsw_infoframe_enable(enum hdmi_infoframe_type type) return VIDEO_DIP_ENABLE_AVI_HSW; case HDMI_INFOFRAME_TYPE_SPD: return VIDEO_DIP_ENABLE_SPD_HSW; + case HDMI_INFOFRAME_TYPE_VENDOR: + return VIDEO_DIP_ENABLE_VS_HSW; default: DRM_DEBUG_DRIVER("unknown info frame type %d\n", type); return 0; @@ -114,6 +120,8 @@ static u32 hsw_infoframe_data_reg(enum hdmi_infoframe_type type, return HSW_TVIDEO_DIP_AVI_DATA(cpu_transcoder); case HDMI_INFOFRAME_TYPE_SPD: return HSW_TVIDEO_DIP_SPD_DATA(cpu_transcoder); + case HDMI_INFOFRAME_TYPE_VENDOR: + return HSW_TVIDEO_DIP_VS_DATA(cpu_transcoder); default: DRM_DEBUG_DRIVER("unknown info frame type %d\n", type); return 0; @@ -392,6 +400,21 @@ static void intel_hdmi_set_spd_infoframe(struct drm_encoder *encoder) intel_write_infoframe(encoder, &frame); } +static void +intel_hdmi_set_hdmi_infoframe(struct drm_encoder *encoder, + struct drm_display_mode *adjusted_mode) +{ + union hdmi_infoframe frame; + int ret; + + ret = drm_hdmi_vendor_infoframe_from_display_mode(&frame.vendor.hdmi, + adjusted_mode); + if (ret < 0) + return; + + intel_write_infoframe(encoder, &frame); +} + static void g4x_set_infoframes(struct drm_encoder *encoder, struct drm_display_mode *adjusted_mode) { @@ -454,6 +477,7 @@ static void g4x_set_infoframes(struct drm_encoder *encoder, intel_hdmi_set_avi_infoframe(encoder, adjusted_mode); intel_hdmi_set_spd_infoframe(encoder); + intel_hdmi_set_hdmi_infoframe(encoder, adjusted_mode); } static void ibx_set_infoframes(struct drm_encoder *encoder, @@ -515,6 +539,7 @@ static void ibx_set_infoframes(struct drm_encoder *encoder, intel_hdmi_set_avi_infoframe(encoder, adjusted_mode); intel_hdmi_set_spd_infoframe(encoder); + intel_hdmi_set_hdmi_infoframe(encoder, adjusted_mode); } static void cpt_set_infoframes(struct drm_encoder *encoder, @@ -550,6 +575,7 @@ static void cpt_set_infoframes(struct drm_encoder *encoder, intel_hdmi_set_avi_infoframe(encoder, adjusted_mode); intel_hdmi_set_spd_infoframe(encoder); + intel_hdmi_set_hdmi_infoframe(encoder, adjusted_mode); } static void vlv_set_infoframes(struct drm_encoder *encoder, @@ -584,6 +610,7 @@ static void vlv_set_infoframes(struct drm_encoder *encoder, intel_hdmi_set_avi_infoframe(encoder, adjusted_mode); intel_hdmi_set_spd_infoframe(encoder); + intel_hdmi_set_hdmi_infoframe(encoder, adjusted_mode); } static void hsw_set_infoframes(struct drm_encoder *encoder, @@ -611,6 +638,7 @@ static void hsw_set_infoframes(struct drm_encoder *encoder, intel_hdmi_set_avi_infoframe(encoder, adjusted_mode); intel_hdmi_set_spd_infoframe(encoder); + intel_hdmi_set_hdmi_infoframe(encoder, adjusted_mode); } static void intel_hdmi_mode_set(struct intel_encoder *encoder) @@ -802,10 +830,22 @@ static void intel_disable_hdmi(struct intel_encoder *encoder) } } +static int hdmi_portclock_limit(struct intel_hdmi *hdmi) +{ + struct drm_device *dev = intel_hdmi_to_dev(hdmi); + + if (IS_G4X(dev)) + return 165000; + else if (IS_HASWELL(dev)) + return 300000; + else + return 225000; +} + static int intel_hdmi_mode_valid(struct drm_connector *connector, struct drm_display_mode *mode) { - if (mode->clock > 165000) + if (mode->clock > hdmi_portclock_limit(intel_attached_hdmi(connector))) return MODE_CLOCK_HIGH; if (mode->clock < 20000) return MODE_CLOCK_LOW; @@ -823,6 +863,7 @@ bool intel_hdmi_compute_config(struct intel_encoder *encoder, struct drm_device *dev = encoder->base.dev; struct drm_display_mode *adjusted_mode = &pipe_config->adjusted_mode; int clock_12bpc = pipe_config->requested_mode.clock * 3 / 2; + int portclock_limit = hdmi_portclock_limit(intel_hdmi); int desired_bpp; if (intel_hdmi->color_range_auto) { @@ -846,7 +887,7 @@ bool intel_hdmi_compute_config(struct intel_encoder *encoder, * outputs. We also need to check that the higher clock still fits * within limits. */ - if (pipe_config->pipe_bpp > 8*3 && clock_12bpc <= 225000 + if (pipe_config->pipe_bpp > 8*3 && clock_12bpc <= portclock_limit && HAS_PCH_SPLIT(dev)) { DRM_DEBUG_KMS("picking bpc to 12 for HDMI output\n"); desired_bpp = 12*3; @@ -863,7 +904,7 @@ bool intel_hdmi_compute_config(struct intel_encoder *encoder, pipe_config->pipe_bpp = desired_bpp; } - if (adjusted_mode->clock > 225000) { + if (adjusted_mode->clock > portclock_limit) { DRM_DEBUG_KMS("too high HDMI clock, rejecting mode\n"); return false; } |