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drm/i915/dg2: add DG2+ TRANS_DDI_FUNC_CTL DP 2.0 128b/132b mode

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Unfortunately, the DP 2.0 128b/132b DDI mode selection in the register
conflicts with FDI. Since we have to deal with both meanings in the same
code, for different platforms, clarify the macro name so we don't
forget.

Bspec: 50493
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/260e4da302d47ae50122eb8d517be6ac3ccb15f2.1631191763.git.jani.nikula@intel.com
This commit is contained in:
Jani Nikula 2021-09-09 15:51:57 +03:00
parent c78b4a8572
commit 7bb97db8d3
2 changed files with 4 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
drivers/gpu/drm/i915/display/intel_ddi.c
View file

@ -489,7 +489,7 @@ intel_ddi_transcoder_func_reg_val_get(struct intel_encoder *encoder,
if (crtc_state->hdmi_high_tmds_clock_ratio)
temp |= TRANS_DDI_HIGH_TMDS_CHAR_RATE;
} else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_ANALOG)) {
temp |= TRANS_DDI_MODE_SELECT_FDI;
temp |= TRANS_DDI_MODE_SELECT_FDI_OR_128B132B;
temp |= (crtc_state->fdi_lanes - 1) << 1;
} else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DP_MST)) {
temp |= TRANS_DDI_MODE_SELECT_DP_MST;
@ -679,7 +679,7 @@ bool intel_ddi_connector_get_hw_state(struct intel_connector *intel_connector)
ret = false;
break;
case TRANS_DDI_MODE_SELECT_FDI:
case TRANS_DDI_MODE_SELECT_FDI_OR_128B132B:
ret = type == DRM_MODE_CONNECTOR_VGA;
break;
@ -3558,7 +3558,7 @@ static void intel_ddi_read_func_ctl(struct intel_encoder *encoder,
pipe_config->output_types |= BIT(INTEL_OUTPUT_HDMI);
pipe_config->lane_count = 4;
break;
case TRANS_DDI_MODE_SELECT_FDI:
case TRANS_DDI_MODE_SELECT_FDI_OR_128B132B:
pipe_config->output_types |= BIT(INTEL_OUTPUT_ANALOG);
break;
case TRANS_DDI_MODE_SELECT_DP_SST:

2
drivers/gpu/drm/i915/i915_reg.h
View file

@ -10173,7 +10173,7 @@ enum skl_power_gate {
#define TRANS_DDI_MODE_SELECT_DVI (1 << 24)
#define TRANS_DDI_MODE_SELECT_DP_SST (2 << 24)
#define TRANS_DDI_MODE_SELECT_DP_MST (3 << 24)
#define TRANS_DDI_MODE_SELECT_FDI (4 << 24)
#define TRANS_DDI_MODE_SELECT_FDI_OR_128B132B (4 << 24)
#define TRANS_DDI_BPC_MASK (7 << 20)
#define TRANS_DDI_BPC_8 (0 << 20)
#define TRANS_DDI_BPC_10 (1 << 20)