From: Samson Tam <Samson.Tam@amd.com>
Date: Wed, 30 May 2018 15:44:50 -0400
Subject: drm/amd/display: get board layout for edid emulation
Git-commit: 1eeedbcc20d64ff2ef7eb9823f85bbb1c2545064
Patch-mainline: v4.19-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166
Signed-off-by: Samson Tam <Samson.Tam@amd.com>
Reviewed-by: Aric Cyr <Aric.Cyr@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
drivers/gpu/drm/amd/display/dc/bios/bios_parser.c | 196 +++++++++++++++
drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c | 218 ++++++++++++++++-
drivers/gpu/drm/amd/display/dc/dc_bios_types.h | 4
drivers/gpu/drm/amd/display/include/grph_object_defs.h | 46 +++
drivers/gpu/drm/amd/display/include/grph_object_id.h | 11
5 files changed, 474 insertions(+), 1 deletion(-)
--- a/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c
+++ b/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c
@@ -3762,6 +3762,200 @@ static struct integrated_info *bios_pars
return NULL;
}
+enum bp_result update_slot_layout_info(
+ struct dc_bios *dcb,
+ unsigned int i,
+ struct slot_layout_info *slot_layout_info,
+ unsigned int record_offset)
+{
+ unsigned int j;
+ struct bios_parser *bp;
+ ATOM_BRACKET_LAYOUT_RECORD *record;
+ ATOM_COMMON_RECORD_HEADER *record_header;
+ enum bp_result result = BP_RESULT_NORECORD;
+
+ bp = BP_FROM_DCB(dcb);
+ record = NULL;
+ record_header = NULL;
+
+ for (;;) {
+
+ record_header = (ATOM_COMMON_RECORD_HEADER *)
+ GET_IMAGE(ATOM_COMMON_RECORD_HEADER, record_offset);
+ if (record_header == NULL) {
+ result = BP_RESULT_BADBIOSTABLE;
+ break;
+ }
+
+ /* the end of the list */
+ if (record_header->ucRecordType == 0xff ||
+ record_header->ucRecordSize == 0) {
+ break;
+ }
+
+ if (record_header->ucRecordType ==
+ ATOM_BRACKET_LAYOUT_RECORD_TYPE &&
+ sizeof(ATOM_BRACKET_LAYOUT_RECORD)
+ <= record_header->ucRecordSize) {
+ record = (ATOM_BRACKET_LAYOUT_RECORD *)
+ (record_header);
+ result = BP_RESULT_OK;
+ break;
+ }
+
+ record_offset += record_header->ucRecordSize;
+ }
+
+ /* return if the record not found */
+ if (result != BP_RESULT_OK)
+ return result;
+
+ /* get slot sizes */
+ slot_layout_info->length = record->ucLength;
+ slot_layout_info->width = record->ucWidth;
+
+ /* get info for each connector in the slot */
+ slot_layout_info->num_of_connectors = record->ucConnNum;
+ for (j = 0; j < slot_layout_info->num_of_connectors; ++j) {
+ slot_layout_info->connectors[j].connector_type =
+ (enum connector_layout_type)
+ (record->asConnInfo[j].ucConnectorType);
+ switch (record->asConnInfo[j].ucConnectorType) {
+ case CONNECTOR_TYPE_DVI_D:
+ slot_layout_info->connectors[j].connector_type =
+ CONNECTOR_LAYOUT_TYPE_DVI_D;
+ slot_layout_info->connectors[j].length =
+ CONNECTOR_SIZE_DVI;
+ break;
+
+ case CONNECTOR_TYPE_HDMI:
+ slot_layout_info->connectors[j].connector_type =
+ CONNECTOR_LAYOUT_TYPE_HDMI;
+ slot_layout_info->connectors[j].length =
+ CONNECTOR_SIZE_HDMI;
+ break;
+
+ case CONNECTOR_TYPE_DISPLAY_PORT:
+ slot_layout_info->connectors[j].connector_type =
+ CONNECTOR_LAYOUT_TYPE_DP;
+ slot_layout_info->connectors[j].length =
+ CONNECTOR_SIZE_DP;
+ break;
+
+ case CONNECTOR_TYPE_MINI_DISPLAY_PORT:
+ slot_layout_info->connectors[j].connector_type =
+ CONNECTOR_LAYOUT_TYPE_MINI_DP;
+ slot_layout_info->connectors[j].length =
+ CONNECTOR_SIZE_MINI_DP;
+ break;
+
+ default:
+ slot_layout_info->connectors[j].connector_type =
+ CONNECTOR_LAYOUT_TYPE_UNKNOWN;
+ slot_layout_info->connectors[j].length =
+ CONNECTOR_SIZE_UNKNOWN;
+ }
+
+ slot_layout_info->connectors[j].position =
+ record->asConnInfo[j].ucPosition;
+ slot_layout_info->connectors[j].connector_id =
+ object_id_from_bios_object_id(
+ record->asConnInfo[j].usConnectorObjectId);
+ }
+ return result;
+}
+
+
+enum bp_result get_bracket_layout_record(
+ struct dc_bios *dcb,
+ unsigned int bracket_layout_id,
+ struct slot_layout_info *slot_layout_info)
+{
+ unsigned int i;
+ unsigned int record_offset;
+ struct bios_parser *bp;
+ enum bp_result result;
+ ATOM_OBJECT *object;
+ ATOM_OBJECT_TABLE *object_table;
+ unsigned int genericTableOffset;
+
+ bp = BP_FROM_DCB(dcb);
+ object = NULL;
+ if (slot_layout_info == NULL) {
+ DC_LOG_DETECTION_EDID_PARSER("Invalid slot_layout_info\n");
+ return BP_RESULT_BADINPUT;
+ }
+
+
+ genericTableOffset = bp->object_info_tbl_offset +
+ bp->object_info_tbl.v1_3->usMiscObjectTableOffset;
+ object_table = (ATOM_OBJECT_TABLE *)
+ GET_IMAGE(ATOM_OBJECT_TABLE, genericTableOffset);
+ if (!object_table)
+ return BP_RESULT_FAILURE;
+
+ result = BP_RESULT_NORECORD;
+ for (i = 0; i < object_table->ucNumberOfObjects; ++i) {
+
+ if (bracket_layout_id ==
+ object_table->asObjects[i].usObjectID) {
+
+ object = &object_table->asObjects[i];
+ record_offset = object->usRecordOffset +
+ bp->object_info_tbl_offset;
+
+ result = update_slot_layout_info(dcb, i,
+ slot_layout_info, record_offset);
+ break;
+ }
+ }
+ return result;
+}
+
+static enum bp_result bios_get_board_layout_info(
+ struct dc_bios *dcb,
+ struct board_layout_info *board_layout_info)
+{
+ unsigned int i;
+ struct bios_parser *bp;
+ enum bp_result record_result;
+
+ const unsigned int slot_index_to_vbios_id[MAX_BOARD_SLOTS] = {
+ GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID1,
+ GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID2,
+ 0, 0
+ };
+
+ bp = BP_FROM_DCB(dcb);
+ if (board_layout_info == NULL) {
+ DC_LOG_DETECTION_EDID_PARSER("Invalid board_layout_info\n");
+ return BP_RESULT_BADINPUT;
+ }
+
+ board_layout_info->num_of_slots = 0;
+
+ for (i = 0; i < MAX_BOARD_SLOTS; ++i) {
+ record_result = get_bracket_layout_record(dcb,
+ slot_index_to_vbios_id[i],
+ &board_layout_info->slots[i]);
+
+ if (record_result == BP_RESULT_NORECORD && i > 0)
+ break; /* no more slots present in bios */
+ else if (record_result != BP_RESULT_OK)
+ return record_result; /* fail */
+
+ ++board_layout_info->num_of_slots;
+ }
+
+ /* all data is valid */
+ board_layout_info->is_number_of_slots_valid = 1;
+ board_layout_info->is_slots_size_valid = 1;
+ board_layout_info->is_connector_offsets_valid = 1;
+ board_layout_info->is_connector_lengths_valid = 1;
+
+ return BP_RESULT_OK;
+}
+
/******************************************************************************/
static const struct dc_vbios_funcs vbios_funcs = {
@@ -3836,6 +4030,8 @@ static const struct dc_vbios_funcs vbios
.post_init = bios_parser_post_init, /* patch vbios table for mxm module by reading i2c */
.bios_parser_destroy = bios_parser_destroy,
+
+ .get_board_layout_info = bios_get_board_layout_info,
};
static bool bios_parser_construct(
--- a/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c
+++ b/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c
@@ -43,6 +43,29 @@
#include "bios_parser_interface.h"
#include "bios_parser_common.h"
+
+/* Temporarily add in defines until ObjectID.h patch is updated in a few days */
+#ifndef GENERIC_OBJECT_ID_BRACKET_LAYOUT
+#define GENERIC_OBJECT_ID_BRACKET_LAYOUT 0x05
+#endif /* GENERIC_OBJECT_ID_BRACKET_LAYOUT */
+
+#ifndef GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID1
+#define GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID1 \
+ (GRAPH_OBJECT_TYPE_GENERIC << OBJECT_TYPE_SHIFT |\
+ GRAPH_OBJECT_ENUM_ID1 << ENUM_ID_SHIFT |\
+ GENERIC_OBJECT_ID_BRACKET_LAYOUT << OBJECT_ID_SHIFT)
+#endif /* GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID1 */
+
+#ifndef GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID2
+#define GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID2 \
+ (GRAPH_OBJECT_TYPE_GENERIC << OBJECT_TYPE_SHIFT |\
+ GRAPH_OBJECT_ENUM_ID2 << ENUM_ID_SHIFT |\
+ GENERIC_OBJECT_ID_BRACKET_LAYOUT << OBJECT_ID_SHIFT)
+#endif /* GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID2 */
+
+#define DC_LOGGER \
+ bp->base.ctx->logger
+
#define LAST_RECORD_TYPE 0xff
#define SMU9_SYSPLL0_ID 0
@@ -86,7 +109,6 @@ static struct atom_encoder_caps_record *
#define DATA_TABLES(table) (bp->master_data_tbl->listOfdatatables.table)
-
static void destruct(struct bios_parser *bp)
{
kfree(bp->base.bios_local_image);
@@ -1854,6 +1876,198 @@ static struct integrated_info *bios_pars
return NULL;
}
+static enum bp_result update_slot_layout_info(
+ struct dc_bios *dcb,
+ unsigned int i,
+ struct slot_layout_info *slot_layout_info)
+{
+ unsigned int record_offset;
+ unsigned int j;
+ struct atom_display_object_path_v2 *object;
+ struct atom_bracket_layout_record *record;
+ struct atom_common_record_header *record_header;
+ enum bp_result result;
+ struct bios_parser *bp;
+ struct object_info_table *tbl;
+ struct display_object_info_table_v1_4 *v1_4;
+
+ record = NULL;
+ record_header = NULL;
+ result = BP_RESULT_NORECORD;
+
+ bp = BP_FROM_DCB(dcb);
+ tbl = &bp->object_info_tbl;
+ v1_4 = tbl->v1_4;
+
+ object = &v1_4->display_path[i];
+ record_offset = (unsigned int)
+ (object->disp_recordoffset) +
+ (unsigned int)(bp->object_info_tbl_offset);
+
+ for (;;) {
+
+ record_header = (struct atom_common_record_header *)
+ GET_IMAGE(struct atom_common_record_header,
+ record_offset);
+ if (record_header == NULL) {
+ result = BP_RESULT_BADBIOSTABLE;
+ break;
+ }
+
+ /* the end of the list */
+ if (record_header->record_type == 0xff ||
+ record_header->record_size == 0) {
+ break;
+ }
+
+ if (record_header->record_type ==
+ ATOM_BRACKET_LAYOUT_RECORD_TYPE &&
+ sizeof(struct atom_bracket_layout_record)
+ <= record_header->record_size) {
+ record = (struct atom_bracket_layout_record *)
+ (record_header);
+ result = BP_RESULT_OK;
+ break;
+ }
+
+ record_offset += record_header->record_size;
+ }
+
+ /* return if the record not found */
+ if (result != BP_RESULT_OK)
+ return result;
+
+ /* get slot sizes */
+ slot_layout_info->length = record->bracketlen;
+ slot_layout_info->width = record->bracketwidth;
+
+ /* get info for each connector in the slot */
+ slot_layout_info->num_of_connectors = record->conn_num;
+ for (j = 0; j < slot_layout_info->num_of_connectors; ++j) {
+ slot_layout_info->connectors[j].connector_type =
+ (enum connector_layout_type)
+ (record->conn_info[j].connector_type);
+ switch (record->conn_info[j].connector_type) {
+ case CONNECTOR_TYPE_DVI_D:
+ slot_layout_info->connectors[j].connector_type =
+ CONNECTOR_LAYOUT_TYPE_DVI_D;
+ slot_layout_info->connectors[j].length =
+ CONNECTOR_SIZE_DVI;
+ break;
+
+ case CONNECTOR_TYPE_HDMI:
+ slot_layout_info->connectors[j].connector_type =
+ CONNECTOR_LAYOUT_TYPE_HDMI;
+ slot_layout_info->connectors[j].length =
+ CONNECTOR_SIZE_HDMI;
+ break;
+
+ case CONNECTOR_TYPE_DISPLAY_PORT:
+ slot_layout_info->connectors[j].connector_type =
+ CONNECTOR_LAYOUT_TYPE_DP;
+ slot_layout_info->connectors[j].length =
+ CONNECTOR_SIZE_DP;
+ break;
+
+ case CONNECTOR_TYPE_MINI_DISPLAY_PORT:
+ slot_layout_info->connectors[j].connector_type =
+ CONNECTOR_LAYOUT_TYPE_MINI_DP;
+ slot_layout_info->connectors[j].length =
+ CONNECTOR_SIZE_MINI_DP;
+ break;
+
+ default:
+ slot_layout_info->connectors[j].connector_type =
+ CONNECTOR_LAYOUT_TYPE_UNKNOWN;
+ slot_layout_info->connectors[j].length =
+ CONNECTOR_SIZE_UNKNOWN;
+ }
+
+ slot_layout_info->connectors[j].position =
+ record->conn_info[j].position;
+ slot_layout_info->connectors[j].connector_id =
+ object_id_from_bios_object_id(
+ record->conn_info[j].connectorobjid);
+ }
+ return result;
+}
+
+
+static enum bp_result get_bracket_layout_record(
+ struct dc_bios *dcb,
+ unsigned int bracket_layout_id,
+ struct slot_layout_info *slot_layout_info)
+{
+ unsigned int i;
+ struct bios_parser *bp = BP_FROM_DCB(dcb);
+ enum bp_result result;
+ struct object_info_table *tbl;
+ struct display_object_info_table_v1_4 *v1_4;
+
+ if (slot_layout_info == NULL) {
+ DC_LOG_DETECTION_EDID_PARSER("Invalid slot_layout_info\n");
+ return BP_RESULT_BADINPUT;
+ }
+ tbl = &bp->object_info_tbl;
+ v1_4 = tbl->v1_4;
+
+ result = BP_RESULT_NORECORD;
+ for (i = 0; i < v1_4->number_of_path; ++i) {
+
+ if (bracket_layout_id ==
+ v1_4->display_path[i].display_objid) {
+ result = update_slot_layout_info(dcb, i,
+ slot_layout_info);
+ break;
+ }
+ }
+ return result;
+}
+
+static enum bp_result bios_get_board_layout_info(
+ struct dc_bios *dcb,
+ struct board_layout_info *board_layout_info)
+{
+ unsigned int i;
+ struct bios_parser *bp;
+ enum bp_result record_result;
+
+ const unsigned int slot_index_to_vbios_id[MAX_BOARD_SLOTS] = {
+ GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID1,
+ GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID2,
+ 0, 0
+ };
+
+ bp = BP_FROM_DCB(dcb);
+ if (board_layout_info == NULL) {
+ DC_LOG_DETECTION_EDID_PARSER("Invalid board_layout_info\n");
+ return BP_RESULT_BADINPUT;
+ }
+
+ board_layout_info->num_of_slots = 0;
+
+ for (i = 0; i < MAX_BOARD_SLOTS; ++i) {
+ record_result = get_bracket_layout_record(dcb,
+ slot_index_to_vbios_id[i],
+ &board_layout_info->slots[i]);
+
+ if (record_result == BP_RESULT_NORECORD && i > 0)
+ break; /* no more slots present in bios */
+ else if (record_result != BP_RESULT_OK)
+ return record_result; /* fail */
+
+ ++board_layout_info->num_of_slots;
+ }
+
+ /* all data is valid */
+ board_layout_info->is_number_of_slots_valid = 1;
+ board_layout_info->is_slots_size_valid = 1;
+ board_layout_info->is_connector_offsets_valid = 1;
+ board_layout_info->is_connector_lengths_valid = 1;
+
+ return BP_RESULT_OK;
+}
+
static const struct dc_vbios_funcs vbios_funcs = {
.get_connectors_number = bios_parser_get_connectors_number,
@@ -1925,6 +2139,8 @@ static const struct dc_vbios_funcs vbios
.bios_parser_destroy = firmware_parser_destroy,
.get_smu_clock_info = bios_parser_get_smu_clock_info,
+
+ .get_board_layout_info = bios_get_board_layout_info,
};
static bool bios_parser_construct(
--- a/drivers/gpu/drm/amd/display/dc/dc_bios_types.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_bios_types.h
@@ -198,6 +198,10 @@ struct dc_vbios_funcs {
void (*post_init)(struct dc_bios *bios);
void (*bios_parser_destroy)(struct dc_bios **dcb);
+
+ enum bp_result (*get_board_layout_info)(
+ struct dc_bios *dcb,
+ struct board_layout_info *board_layout_info);
};
struct bios_registers {
--- a/drivers/gpu/drm/amd/display/include/grph_object_defs.h
+++ b/drivers/gpu/drm/amd/display/include/grph_object_defs.h
@@ -37,6 +37,10 @@
* ********************************************************************
*/
+#define MAX_CONNECTOR_NUMBER_PER_SLOT (16)
+#define MAX_BOARD_SLOTS (4)
+#define INVALID_CONNECTOR_INDEX ((unsigned int)(-1))
+
/* HPD unit id - HW direct translation */
enum hpd_source_id {
HPD_SOURCEID1 = 0,
@@ -136,5 +140,47 @@ enum sync_source {
SYNC_SOURCE_DUAL_GPU_PIN
};
+/* connector sizes in millimeters - from BiosParserTypes.hpp */
+#define CONNECTOR_SIZE_DVI 40
+#define CONNECTOR_SIZE_VGA 32
+#define CONNECTOR_SIZE_HDMI 16
+#define CONNECTOR_SIZE_DP 16
+#define CONNECTOR_SIZE_MINI_DP 9
+#define CONNECTOR_SIZE_UNKNOWN 30
+
+enum connector_layout_type {
+ CONNECTOR_LAYOUT_TYPE_UNKNOWN,
+ CONNECTOR_LAYOUT_TYPE_DVI_D,
+ CONNECTOR_LAYOUT_TYPE_DVI_I,
+ CONNECTOR_LAYOUT_TYPE_VGA,
+ CONNECTOR_LAYOUT_TYPE_HDMI,
+ CONNECTOR_LAYOUT_TYPE_DP,
+ CONNECTOR_LAYOUT_TYPE_MINI_DP,
+};
+struct connector_layout_info {
+ struct graphics_object_id connector_id;
+ enum connector_layout_type connector_type;
+ unsigned int length;
+ unsigned int position; /* offset in mm from right side of the board */
+};
+
+/* length and width in mm */
+struct slot_layout_info {
+ unsigned int length;
+ unsigned int width;
+ unsigned int num_of_connectors;
+ struct connector_layout_info connectors[MAX_CONNECTOR_NUMBER_PER_SLOT];
+};
+
+struct board_layout_info {
+ unsigned int num_of_slots;
+ /* indicates valid information in bracket layout structure. */
+ unsigned int is_number_of_slots_valid : 1;
+ unsigned int is_slots_size_valid : 1;
+ unsigned int is_connector_offsets_valid : 1;
+ unsigned int is_connector_lengths_valid : 1;
+
+ struct slot_layout_info slots[MAX_BOARD_SLOTS];
+};
#endif
--- a/drivers/gpu/drm/amd/display/include/grph_object_id.h
+++ b/drivers/gpu/drm/amd/display/include/grph_object_id.h
@@ -292,4 +292,15 @@ static inline enum engine_id dal_graphic
return (enum engine_id) id.id;
return ENGINE_ID_UNKNOWN;
}
+
+static inline bool dal_graphics_object_id_equal(
+ struct graphics_object_id id_1,
+ struct graphics_object_id id_2)
+{
+ if ((id_1.id == id_2.id) && (id_1.enum_id == id_2.enum_id) &&
+ (id_1.type == id_2.type)) {
+ return true;
+ }
+ return false;
+}
#endif