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path: root/drivers/gpu/drm/i915/intel_hdmi.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_hdmi.c')
-rw-r--r--drivers/gpu/drm/i915/intel_hdmi.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index b0413e190625..157267aa3561 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -821,11 +821,11 @@ static void intel_disable_hdmi(struct intel_encoder *encoder)
821 } 821 }
822} 822}
823 823
824static int hdmi_portclock_limit(struct intel_hdmi *hdmi) 824static int hdmi_portclock_limit(struct intel_hdmi *hdmi, bool respect_dvi_limit)
825{ 825{
826 struct drm_device *dev = intel_hdmi_to_dev(hdmi); 826 struct drm_device *dev = intel_hdmi_to_dev(hdmi);
827 827
828 if (!hdmi->has_hdmi_sink || IS_G4X(dev)) 828 if ((respect_dvi_limit && !hdmi->has_hdmi_sink) || IS_G4X(dev))
829 return 165000; 829 return 165000;
830 else if (IS_HASWELL(dev) || INTEL_INFO(dev)->gen >= 8) 830 else if (IS_HASWELL(dev) || INTEL_INFO(dev)->gen >= 8)
831 return 300000; 831 return 300000;
@@ -837,7 +837,8 @@ static enum drm_mode_status
837intel_hdmi_mode_valid(struct drm_connector *connector, 837intel_hdmi_mode_valid(struct drm_connector *connector,
838 struct drm_display_mode *mode) 838 struct drm_display_mode *mode)
839{ 839{
840 if (mode->clock > hdmi_portclock_limit(intel_attached_hdmi(connector))) 840 if (mode->clock > hdmi_portclock_limit(intel_attached_hdmi(connector),
841 true))
841 return MODE_CLOCK_HIGH; 842 return MODE_CLOCK_HIGH;
842 if (mode->clock < 20000) 843 if (mode->clock < 20000)
843 return MODE_CLOCK_LOW; 844 return MODE_CLOCK_LOW;
@@ -879,7 +880,7 @@ bool intel_hdmi_compute_config(struct intel_encoder *encoder,
879 struct drm_device *dev = encoder->base.dev; 880 struct drm_device *dev = encoder->base.dev;
880 struct drm_display_mode *adjusted_mode = &pipe_config->adjusted_mode; 881 struct drm_display_mode *adjusted_mode = &pipe_config->adjusted_mode;
881 int clock_12bpc = pipe_config->adjusted_mode.crtc_clock * 3 / 2; 882 int clock_12bpc = pipe_config->adjusted_mode.crtc_clock * 3 / 2;
882 int portclock_limit = hdmi_portclock_limit(intel_hdmi); 883 int portclock_limit = hdmi_portclock_limit(intel_hdmi, false);
883 int desired_bpp; 884 int desired_bpp;
884 885
885 if (intel_hdmi->color_range_auto) { 886 if (intel_hdmi->color_range_auto) {