diff options
| -rw-r--r-- | drivers/gpu/drm/i915/intel_drv.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_hdmi.c | 8 |
2 files changed, 8 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index 3205a774ec4b..d9ffe381c723 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -234,6 +234,8 @@ struct cxsr_latency { #define DIP_TYPE_AVI 0x82 #define DIP_VERSION_AVI 0x2 #define DIP_LEN_AVI 13 +#define DIP_AVI_PR_1 0 +#define DIP_AVI_PR_2 1 #define DIP_TYPE_SPD 0x83 #define DIP_VERSION_SPD 0x1 diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c index 7de2d3b85b32..8d2501704182 100644 --- a/drivers/gpu/drm/i915/intel_hdmi.c +++ b/drivers/gpu/drm/i915/intel_hdmi.c @@ -220,7 +220,8 @@ static void intel_set_infoframe(struct drm_encoder *encoder, intel_hdmi->write_infoframe(encoder, frame); } -static void intel_hdmi_set_avi_infoframe(struct drm_encoder *encoder) +static void intel_hdmi_set_avi_infoframe(struct drm_encoder *encoder, + struct drm_display_mode *adjusted_mode) { struct dip_infoframe avi_if = { .type = DIP_TYPE_AVI, @@ -228,6 +229,9 @@ static void intel_hdmi_set_avi_infoframe(struct drm_encoder *encoder) .len = DIP_LEN_AVI, }; + if (adjusted_mode->flags & DRM_MODE_FLAG_DBLCLK) + avi_if.body.avi.YQ_CN_PR |= DIP_AVI_PR_2; + intel_set_infoframe(encoder, &avi_if); } @@ -290,7 +294,7 @@ static void intel_hdmi_mode_set(struct drm_encoder *encoder, I915_WRITE(intel_hdmi->sdvox_reg, sdvox); POSTING_READ(intel_hdmi->sdvox_reg); - intel_hdmi_set_avi_infoframe(encoder); + intel_hdmi_set_avi_infoframe(encoder, adjusted_mode); intel_hdmi_set_spd_infoframe(encoder); } |