diff options
| author | Jani Nikula <jani.nikula@intel.com> | 2025-01-03 15:52:31 +0200 |
|---|---|---|
| committer | Jani Nikula <jani.nikula@intel.com> | 2025-01-07 18:44:02 +0200 |
| commit | 2f82724a3e86927a09a285358bef2369f4c3504a (patch) | |
| tree | f941c4255c6000a6ab004aa1761e9adff5b939d1 /drivers/gpu/drm/i915/display | |
| parent | f6971d7427c2b235a2aa30d986343a3523cbe974 (diff) | |
drm/i915/ddi: enable 128b/132b TRANS_DDI_FUNC_CTL mode for UHBR SST
128b/132b SST needs 128b/132b mode enabled in the TRANS_DDI_FUNC_CTL
register.
This is preparation for enabling 128b/132b SST. This path is not
reachable yet.
v2: Use the MST path instead of SST to also set transport select (Imre)
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/122ebeadf4bf0870fc26b7d12abdff88f4be8799.1735912293.git.jani.nikula@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/display')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_ddi.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c index 483d9e5da586..74a582d40e5c 100644 --- a/drivers/gpu/drm/i915/display/intel_ddi.c +++ b/drivers/gpu/drm/i915/display/intel_ddi.c @@ -561,7 +561,8 @@ intel_ddi_transcoder_func_reg_val_get(struct intel_encoder *encoder, } else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_ANALOG)) { 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)) { + } else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DP_MST) || + intel_dp_is_uhbr(crtc_state)) { if (intel_dp_is_uhbr(crtc_state)) temp |= TRANS_DDI_MODE_SELECT_FDI_OR_128B132B; else |