summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
diff options
context:
space:
mode:
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.c33
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 eaeef72773f6..b3912ff9dc91 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
@@ -3270,3 +3270,36 @@ void check_syncd_pipes_for_disabled_master_pipe(struct dc *dc,
i, disabled_master_pipe_idx);
}
}
+
+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;
+}