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path: root/drivers/gpu/drm/amd/display/dc/dc_link.h
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Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dc_link.h')
-rw-r--r--drivers/gpu/drm/amd/display/dc/dc_link.h19
1 files changed, 18 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dc_link.h b/drivers/gpu/drm/amd/display/dc/dc_link.h
index c50ef5a909a6..b0013e674864 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_link.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_link.h
@@ -35,6 +35,13 @@ enum dc_link_fec_state {
dc_link_fec_ready,
dc_link_fec_enabled
};
+
+enum lttpr_mode {
+ LTTPR_MODE_NON_LTTPR,
+ LTTPR_MODE_TRANSPARENT,
+ LTTPR_MODE_NON_TRANSPARENT,
+};
+
struct dc_link_status {
bool link_active;
struct dpcd_caps *dpcd_caps;
@@ -100,7 +107,7 @@ struct dc_link {
bool link_state_valid;
bool aux_access_disabled;
bool sync_lt_in_progress;
- bool lttpr_non_transparent_mode;
+ enum lttpr_mode lttpr_mode;
bool is_internal_display;
/* TODO: Rename. Flag an endpoint as having a programmable mapping to a
@@ -125,6 +132,11 @@ struct dc_link {
uint8_t hpd_src;
uint8_t link_enc_hw_inst;
+ /* DIG link encoder ID. Used as index in link encoder resource pool.
+ * For links with fixed mapping to DIG, this is not changed after dc_link
+ * object creation.
+ */
+ enum engine_id eng_id;
bool test_pattern_enabled;
union compliance_test_state compliance_test_state;
@@ -144,6 +156,11 @@ struct dc_link {
struct panel_cntl *panel_cntl;
struct link_encoder *link_enc;
struct graphics_object_id link_id;
+ /* Endpoint type distinguishes display endpoints which do not have entries
+ * in the BIOS connector table from those that do. Helps when tracking link
+ * encoder to display endpoint assignments.
+ */
+ enum display_endpoint_type ep_type;
union ddi_channel_mapping ddi_channel_mapping;
struct connector_device_tag_info device_tag;
struct dpcd_caps dpcd_caps;