diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_hdmi.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_hdmi.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c index e1a1351bc94f..c6ce6bb88d7c 100644 --- a/drivers/gpu/drm/i915/display/intel_hdmi.c +++ b/drivers/gpu/drm/i915/display/intel_hdmi.c @@ -1212,6 +1212,30 @@ static void vlv_set_infoframes(struct intel_encoder *encoder, &crtc_state->infoframes.hdmi); } +void intel_hdmi_fastset_infoframes(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state, + const struct drm_connector_state *conn_state) +{ + struct intel_display *display = to_intel_display(encoder); + i915_reg_t reg = HSW_TVIDEO_DIP_CTL(display, + crtc_state->cpu_transcoder); + u32 val = intel_de_read(display, reg); + + if ((crtc_state->infoframes.enable & + intel_hdmi_infoframe_enable(HDMI_INFOFRAME_TYPE_DRM)) == 0 && + (val & VIDEO_DIP_ENABLE_DRM_GLK) == 0) + return; + + val &= ~(VIDEO_DIP_ENABLE_DRM_GLK); + + intel_de_write(display, reg, val); + intel_de_posting_read(display, reg); + + intel_write_infoframe(encoder, crtc_state, + HDMI_INFOFRAME_TYPE_DRM, + &crtc_state->infoframes.drm); +} + static void hsw_set_infoframes(struct intel_encoder *encoder, bool enable, const struct intel_crtc_state *crtc_state, |