diff options
| author | Takashi Iwai <tiwai@suse.de> | 2012-11-19 18:06:51 +0100 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2012-11-30 19:31:36 +0100 |
| commit | 3a7b8d6be38ba1949c6f7ddac624ab4592ac5222 (patch) | |
| tree | 3867640971e07cea9fa4512219aadf24c6060fd0 | |
| parent | 79a507bc479b197c797977ce2c54e4ced715a510 (diff) | |
drm/i915: Enable DP audio for Haswell
This patch adds the missing code to send ELD for Haswell DisplayPort,
based on Xingchao's original patch.
A test was performed with HSW-D machine and NEC EA232Wmi DP monitor.
Cc: Xingchao Wang <xingchao.wang@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
(cherry picked from commit 8fed6193736bf22e0e44c03ee783761e9cc37238)
| -rw-r--r-- | drivers/gpu/drm/i915/intel_ddi.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c index 58f50ebdbef6..d706d538e8b7 100644 --- a/drivers/gpu/drm/i915/intel_ddi.c +++ b/drivers/gpu/drm/i915/intel_ddi.c @@ -669,6 +669,15 @@ static void intel_ddi_mode_set(struct drm_encoder *encoder, break; } + if (intel_dp->has_audio) { + DRM_DEBUG_DRIVER("DP audio on pipe %c on DDI\n", + pipe_name(intel_crtc->pipe)); + + /* write eld */ + DRM_DEBUG_DRIVER("DP audio: write eld information\n"); + intel_write_eld(encoder, adjusted_mode); + } + intel_dp_init_link_config(intel_dp); } else if (type == INTEL_OUTPUT_HDMI) { |