diff options
| author | Jesse Barnes <jbarnes@virtuousgeek.org> | 2014-04-02 21:08:51 +0400 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2014-04-09 16:46:49 +0400 |
| commit | 6a2b8021d22a7d597bb913b0e3832ad5cdb825ca (patch) | |
| tree | ae2b96b6c0550e4e29c91d3a97f27c3a29896231 /drivers/gpu/drm/i915/intel_hdmi.c | |
| parent | 4e975081232a766b8e2e3e50d2efe374defb65bc (diff) | |
| download | linux-6a2b8021d22a7d597bb913b0e3832ad5cdb825ca.tar.xz | |
drm/i915/vlv: write the port field in the per-pipe DIP control reg
In case we end up bouncing these around between ports.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_hdmi.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_hdmi.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c index b0413e190625..ee892a4f9090 100644 --- a/drivers/gpu/drm/i915/intel_hdmi.c +++ b/drivers/gpu/drm/i915/intel_hdmi.c @@ -557,10 +557,12 @@ static void vlv_set_infoframes(struct drm_encoder *encoder, struct drm_display_mode *adjusted_mode) { struct drm_i915_private *dev_priv = encoder->dev->dev_private; + struct intel_digital_port *intel_dig_port = enc_to_dig_port(encoder); struct intel_crtc *intel_crtc = to_intel_crtc(encoder->crtc); struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder); u32 reg = VLV_TVIDEO_DIP_CTL(intel_crtc->pipe); u32 val = I915_READ(reg); + u32 port = VIDEO_DIP_PORT(intel_dig_port->port); assert_hdmi_port_disabled(intel_hdmi); @@ -576,6 +578,16 @@ static void vlv_set_infoframes(struct drm_encoder *encoder, return; } + if (port != (val & VIDEO_DIP_PORT_MASK)) { + if (val & VIDEO_DIP_ENABLE) { + val &= ~VIDEO_DIP_ENABLE; + I915_WRITE(reg, val); + POSTING_READ(reg); + } + val &= ~VIDEO_DIP_PORT_MASK; + val |= port; + } + val |= VIDEO_DIP_ENABLE; val &= ~(VIDEO_DIP_ENABLE_VENDOR | VIDEO_DIP_ENABLE_GAMUT | VIDEO_DIP_ENABLE_GCP); |