From: Shobhit Kumar <shobhit.kumar at intel.com> These are driven by DDIs on Haswell architecture, so we need to keep track of which DDI is being used on each output. Signed-off-by: Shobhit Kumar <shobhit.kumar at intel.com> Reviewed-by: Eugeni Dodonov <eugeni.dodonov at intel.com> Signed-off-by: Eugeni Dodonov <eugeni.dodonov at intel.com> --- drivers/gpu/drm/i915/intel_dp.c | 10 +++++++--- drivers/gpu/drm/i915/intel_drv.h | 1 + 2 files changed, 8 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 65280a0a..e324c7a 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -2458,12 +2458,16 @@ intel_dp_init(struct drm_device *dev, int output_reg) connector->polled = DRM_CONNECTOR_POLL_HPD; - if (output_reg == DP_B || output_reg == PCH_DP_B) + if (output_reg == DP_B || output_reg == PCH_DP_B) { intel_encoder->clone_mask = (1 << INTEL_DP_B_CLONE_BIT); - else if (output_reg == DP_C || output_reg == PCH_DP_C) + intel_dp->ddi_port = PORT_B; + } else if (output_reg == DP_C || output_reg == PCH_DP_C) { intel_encoder->clone_mask = (1 << INTEL_DP_C_CLONE_BIT); - else if (output_reg == DP_D || output_reg == PCH_DP_D) + intel_dp->ddi_port = PORT_C; + } else if (output_reg == DP_D || output_reg == PCH_DP_D) { intel_encoder->clone_mask = (1 << INTEL_DP_D_CLONE_BIT); + intel_dp->ddi_port = PORT_D; + } if (is_edp(intel_dp)) { intel_encoder->clone_mask = (1 << INTEL_EDP_CLONE_BIT); diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index 4047b68..7cffb12 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -319,6 +319,7 @@ struct intel_dp { uint8_t link_configuration[DP_LINK_CONFIGURATION_SIZE]; bool has_audio; enum hdmi_force_audio force_audio; + int ddi_port; uint32_t color_range; int dpms_mode; uint8_t link_bw; -- 1.7.11.1