diff options
| author |   Ville Syrjälä <ville.syrjala@linux.intel.com> | 2014-12-09 21:28:29 +0200 |
|---|---|---|
| committer |   Daniel Vetter <daniel.vetter@ffwll.ch> | 2014-12-10 17:47:24 +0100 |
| commit | 2be57922d46fdec4360ced2eb108832c5a90bc0e (patch) | |
| tree | 99b0fc12ec6ca98a345f3d3ce3b4d048aede1103 /drivers/gpu/drm/i915/i915_debugfs.c | |
| parent | drm/i915: Engage the DP scramble reset for pipe C on CHV (diff) | |
| download | linux-dev-2be57922d46fdec4360ced2eb108832c5a90bc0e.tar.xz linux-dev-2be57922d46fdec4360ced2eb108832c5a90bc0e.zip | |
drm/i915: Fix CRC support for DP port D on CHV
Add the missing CRC control register value for DP port D on CHV.
Untested as I don't have a CHV machine with DP on port D.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
[danvet: Add a check to only allow DP D on chv, not vlv.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to '')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_debugfs.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index d74b62d0ec72..0779e7f33f42 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -3100,6 +3100,12 @@ static int vlv_pipe_crc_ctl_reg(struct drm_device *dev, *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_DP_C_VLV; need_stable_symbols = true; break; + case INTEL_PIPE_CRC_SOURCE_DP_D: + if (!IS_CHERRYVIEW(dev)) + return -EINVAL; + *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_DP_D_VLV; + need_stable_symbols = true; + break; case INTEL_PIPE_CRC_SOURCE_NONE: *val = 0; break; |