diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/core/dc_resource.c')
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_resource.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c index de5c7d1e0267..d4ff6cc6b8d9 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c @@ -3216,3 +3216,36 @@ struct hpo_dp_link_encoder *resource_get_hpo_dp_link_enc_for_det_lt( return hpo_dp_link_enc; } #endif + +uint8_t resource_transmitter_to_phy_idx(const struct dc *dc, enum transmitter transmitter) +{ + /* TODO - get transmitter to phy idx mapping from DMUB */ + uint8_t phy_idx = transmitter - TRANSMITTER_UNIPHY_A; + +#if defined(CONFIG_DRM_AMD_DC_DCN) + if (dc->ctx->dce_version == DCN_VERSION_3_1 && + dc->ctx->asic_id.hw_internal_rev == YELLOW_CARP_B0) { + switch (transmitter) { + case TRANSMITTER_UNIPHY_A: + phy_idx = 0; + break; + case TRANSMITTER_UNIPHY_B: + phy_idx = 1; + break; + case TRANSMITTER_UNIPHY_C: + phy_idx = 5; + break; + case TRANSMITTER_UNIPHY_D: + phy_idx = 6; + break; + case TRANSMITTER_UNIPHY_E: + phy_idx = 4; + break; + default: + phy_idx = 0; + break; + } + } +#endif + return phy_idx; +} |