From: Nevenko Stupar <nevenko.stu...@amd.com>
[Why]
V3_4 is latest in use.
[How]
Add bios parser support for firmware_info_v3_4 along
with some relevant fields it is also retrieving from dce_info
and smu_info.
Reviewed-by: Jun Lei <jun....@amd.com>
Acked-by: Agustin Gutierrez Sanchez <agustin.gutier...@amd.com>
Signed-off-by: Nevenko Stupar <nevenko.stu...@amd.com>
---
.../drm/amd/display/dc/bios/bios_parser2.c | 90 ++++++++++++++++++-
1 file changed, 89 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c
b/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c
index cdb5c027411a..c17732fba039 100644
--- a/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c
+++ b/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c
@@ -99,6 +99,10 @@ static enum bp_result get_firmware_info_v3_2(
struct bios_parser *bp,
struct dc_firmware_info *info);
+static enum bp_result get_firmware_info_v3_4(
+ struct bios_parser *bp,
+ struct dc_firmware_info *info);
+
static struct atom_hpd_int_record *get_hpd_record(struct bios_parser *bp,
struct atom_display_object_path_v2 *object);
@@ -1426,8 +1430,10 @@ static enum bp_result bios_parser_get_firmware_info(
break;
case 2:
case 3:
- case 4:
result = get_firmware_info_v3_2(bp, info);
+ break;
+ case 4:
+ result = get_firmware_info_v3_4(bp, info);
break;
default:
break;
@@ -1575,6 +1581,88 @@ static enum bp_result get_firmware_info_v3_2(
return BP_RESULT_OK;
}
+static enum bp_result get_firmware_info_v3_4(
+ struct bios_parser *bp,
+ struct dc_firmware_info *info)
+{
+ struct atom_firmware_info_v3_4 *firmware_info;
+ struct atom_common_table_header *header;
+ struct atom_data_revision revision;
+ struct atom_display_controller_info_v4_1 *dce_info_v4_1 = NULL;
+ struct atom_display_controller_info_v4_4 *dce_info_v4_4 = NULL;
+ if (!info)
+ return BP_RESULT_BADINPUT;
+
+ firmware_info = GET_IMAGE(struct atom_firmware_info_v3_4,
+ DATA_TABLES(firmwareinfo));
+
+ if (!firmware_info)
+ return BP_RESULT_BADBIOSTABLE;
+
+ memset(info, 0, sizeof(*info));
+
+ header = GET_IMAGE(struct atom_common_table_header,
+ DATA_TABLES(dce_info));
+
+ get_atom_data_table_revision(header, &revision);
+
+ switch (revision.major) {
+ case 4:
+ switch (revision.minor) {
+ case 4:
+ dce_info_v4_4 = GET_IMAGE(struct
atom_display_controller_info_v4_4,
+ DATA_TABLES(dce_info));
+
+ if (!dce_info_v4_4)
+ return BP_RESULT_BADBIOSTABLE;
+
+ /* 100MHz expected */
+ info->pll_info.crystal_frequency =
dce_info_v4_4->dce_refclk_10khz * 10;
+ info->dp_phy_ref_clk =
dce_info_v4_4->dpphy_refclk_10khz * 10;
+ /* 50MHz expected */
+ info->i2c_engine_ref_clk =
dce_info_v4_4->i2c_engine_refclk_10khz * 10;
+
+ /* Get SMU Display PLL VCO Frequency in KHz*/
+ info->smu_gpu_pll_output_freq =
dce_info_v4_4->dispclk_pll_vco_freq * 10;
+ break;
+
+ default:
+ /* should not come here, keep as backup, as was before
*/
+ dce_info_v4_1 = GET_IMAGE(struct
atom_display_controller_info_v4_1,
+ DATA_TABLES(dce_info));
+
+ if (!dce_info_v4_1)
+ return BP_RESULT_BADBIOSTABLE;
+
+ info->pll_info.crystal_frequency =
dce_info_v4_1->dce_refclk_10khz * 10;
+ info->dp_phy_ref_clk =
dce_info_v4_1->dpphy_refclk_10khz * 10;
+ info->i2c_engine_ref_clk =
dce_info_v4_1->i2c_engine_refclk_10khz * 10;
+ break;
+ }
+ break;
+
+ default:
+ ASSERT(0);
+ break;
+ }
+
+ header = GET_IMAGE(struct atom_common_table_header,
+ DATA_TABLES(smu_info));
+ get_atom_data_table_revision(header, &revision);
+
+ // We need to convert from 10KHz units into KHz units.
+ info->default_memory_clk = firmware_info->bootup_mclk_in10khz * 10;
+
+ if (firmware_info->board_i2c_feature_id == 0x2) {
+ info->oem_i2c_present = true;
+ info->oem_i2c_obj_id = firmware_info->board_i2c_feature_gpio_id;
+ } else {
+ info->oem_i2c_present = false;
+ }
+
+ return BP_RESULT_OK;
+}
+
static enum bp_result bios_parser_get_encoder_cap_info(
struct dc_bios *dcb,
struct graphics_object_id object_id,
--
2.25.1
