diff options
| author | David S. Miller <davem@davemloft.net> | 2018-04-24 23:59:11 -0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-04-24 23:59:11 -0400 |
| commit | c749fa181bd5848be78691d23168ec61ce691b95 (patch) | |
| tree | d037dc016bd880d9d5b393a30f3907ef5e98124d /drivers/gpu/drm/i915/intel_bios.c | |
| parent | 16f4faa4f06ff3b4e214922d55ac33ab6e2bdbdc (diff) | |
| parent | 3be4aaf4e2d3eb95cce7835e8df797ae65ae5ac1 (diff) | |
| download | op-kernel-dev-c749fa181bd5848be78691d23168ec61ce691b95.zip op-kernel-dev-c749fa181bd5848be78691d23168ec61ce691b95.tar.gz | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'drivers/gpu/drm/i915/intel_bios.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_bios.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c index c5c7530..447b721 100644 --- a/drivers/gpu/drm/i915/intel_bios.c +++ b/drivers/gpu/drm/i915/intel_bios.c @@ -1256,7 +1256,6 @@ static void parse_ddi_port(struct drm_i915_private *dev_priv, enum port port, return; aux_channel = child->aux_channel; - ddc_pin = child->ddc_pin; is_dvi = child->device_type & DEVICE_TYPE_TMDS_DVI_SIGNALING; is_dp = child->device_type & DEVICE_TYPE_DISPLAYPORT_OUTPUT; @@ -1303,9 +1302,15 @@ static void parse_ddi_port(struct drm_i915_private *dev_priv, enum port port, DRM_DEBUG_KMS("Port %c is internal DP\n", port_name(port)); if (is_dvi) { - info->alternate_ddc_pin = map_ddc_pin(dev_priv, ddc_pin); - - sanitize_ddc_pin(dev_priv, port); + ddc_pin = map_ddc_pin(dev_priv, child->ddc_pin); + if (intel_gmbus_is_valid_pin(dev_priv, ddc_pin)) { + info->alternate_ddc_pin = ddc_pin; + sanitize_ddc_pin(dev_priv, port); + } else { + DRM_DEBUG_KMS("Port %c has invalid DDC pin %d, " + "sticking to defaults\n", + port_name(port), ddc_pin); + } } if (is_dp) { |
