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path: root/drivers/gpu/drm/amd/display/dc/bios
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Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/bios')
-rw-r--r--drivers/gpu/drm/amd/display/dc/bios/bios_parser.c50
-rw-r--r--drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c46
2 files changed, 68 insertions, 28 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c b/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c
index 9b8ea6e9a2b9..a1a00f432168 100644
--- a/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c
+++ b/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c
@@ -138,7 +138,9 @@ static uint8_t get_number_of_objects(struct bios_parser *bp, uint32_t offset)
uint32_t object_table_offset = bp->object_info_tbl_offset + offset;
- table = GET_IMAGE(ATOM_OBJECT_TABLE, object_table_offset);
+ table = ((ATOM_OBJECT_TABLE *) bios_get_image(&bp->base,
+ object_table_offset,
+ struct_size(table, asObjects, 1)));
if (!table)
return 0;
@@ -166,8 +168,9 @@ static struct graphics_object_id bios_parser_get_connector_id(
uint32_t connector_table_offset = bp->object_info_tbl_offset
+ le16_to_cpu(bp->object_info_tbl.v1_1->usConnectorObjectTableOffset);
- ATOM_OBJECT_TABLE *tbl =
- GET_IMAGE(ATOM_OBJECT_TABLE, connector_table_offset);
+ ATOM_OBJECT_TABLE *tbl = ((ATOM_OBJECT_TABLE *) bios_get_image(&bp->base,
+ connector_table_offset,
+ struct_size(tbl, asObjects, 1)));
if (!tbl) {
dm_error("Can't get connector table from atom bios.\n");
@@ -662,8 +665,9 @@ static enum bp_result get_ss_info_v3_1(
if (!DATA_TABLES(ASIC_InternalSS_Info))
return BP_RESULT_UNSUPPORTED;
- ss_table_header_include = GET_IMAGE(ATOM_ASIC_INTERNAL_SS_INFO_V3,
- DATA_TABLES(ASIC_InternalSS_Info));
+ ss_table_header_include = ((ATOM_ASIC_INTERNAL_SS_INFO_V3 *) bios_get_image(&bp->base,
+ DATA_TABLES(ASIC_InternalSS_Info),
+ struct_size(ss_table_header_include, asSpreadSpectrum, 1)));
table_size =
(le16_to_cpu(ss_table_header_include->sHeader.usStructureSize)
- sizeof(ATOM_COMMON_TABLE_HEADER))
@@ -1029,8 +1033,10 @@ static enum bp_result get_ss_info_from_internal_ss_info_tbl_V2_1(
if (!DATA_TABLES(ASIC_InternalSS_Info))
return result;
- header = GET_IMAGE(ATOM_ASIC_INTERNAL_SS_INFO_V2,
- DATA_TABLES(ASIC_InternalSS_Info));
+ header = ((ATOM_ASIC_INTERNAL_SS_INFO_V2 *) bios_get_image(
+ &bp->base,
+ DATA_TABLES(ASIC_InternalSS_Info),
+ struct_size(header, asSpreadSpectrum, 1)));
memset(info, 0, sizeof(struct spread_spectrum_info));
@@ -1709,8 +1715,10 @@ static uint32_t get_ss_entry_number_from_internal_ss_info_tbl_v2_1(
if (!DATA_TABLES(ASIC_InternalSS_Info))
return 0;
- header_include = GET_IMAGE(ATOM_ASIC_INTERNAL_SS_INFO_V2,
- DATA_TABLES(ASIC_InternalSS_Info));
+ header_include = ((ATOM_ASIC_INTERNAL_SS_INFO_V2 *) bios_get_image(
+ &bp->base,
+ DATA_TABLES(ASIC_InternalSS_Info),
+ struct_size(header_include, asSpreadSpectrum, 1)));
size = (le16_to_cpu(header_include->sHeader.usStructureSize)
- sizeof(ATOM_COMMON_TABLE_HEADER))
@@ -1746,8 +1754,9 @@ static uint32_t get_ss_entry_number_from_internal_ss_info_tbl_V3_1(
if (!DATA_TABLES(ASIC_InternalSS_Info))
return number;
- header_include = GET_IMAGE(ATOM_ASIC_INTERNAL_SS_INFO_V3,
- DATA_TABLES(ASIC_InternalSS_Info));
+ header_include = ((ATOM_ASIC_INTERNAL_SS_INFO_V3 *) bios_get_image(&bp->base,
+ DATA_TABLES(ASIC_InternalSS_Info),
+ struct_size(header_include, asSpreadSpectrum, 1)));
size = (le16_to_cpu(header_include->sHeader.usStructureSize) -
sizeof(ATOM_COMMON_TABLE_HEADER)) /
sizeof(ATOM_ASIC_SS_ASSIGNMENT_V3);
@@ -1789,11 +1798,13 @@ static enum bp_result bios_parser_get_gpio_pin_info(
if (!DATA_TABLES(GPIO_Pin_LUT))
return BP_RESULT_BADBIOSTABLE;
- header = GET_IMAGE(ATOM_GPIO_PIN_LUT, DATA_TABLES(GPIO_Pin_LUT));
+ header = ((ATOM_GPIO_PIN_LUT *) bios_get_image(&bp->base,
+ DATA_TABLES(GPIO_Pin_LUT),
+ struct_size(header, asGPIO_Pin, 1)));
if (!header)
return BP_RESULT_BADBIOSTABLE;
- if (sizeof(ATOM_COMMON_TABLE_HEADER) + sizeof(ATOM_GPIO_PIN_LUT)
+ if (sizeof(ATOM_COMMON_TABLE_HEADER) + struct_size(header, asGPIO_Pin, 1)
> le16_to_cpu(header->sHeader.usStructureSize))
return BP_RESULT_BADBIOSTABLE;
@@ -1978,7 +1989,8 @@ static ATOM_OBJECT *get_bios_object(struct bios_parser *bp,
offset += bp->object_info_tbl_offset;
- tbl = GET_IMAGE(ATOM_OBJECT_TABLE, offset);
+ tbl = ((ATOM_OBJECT_TABLE *) bios_get_image(&bp->base, offset,
+ struct_size(tbl, asObjects, 1)));
if (!tbl)
return NULL;
@@ -2600,8 +2612,7 @@ static enum bp_result update_slot_layout_info(
for (;;) {
- record_header = (ATOM_COMMON_RECORD_HEADER *)
- GET_IMAGE(ATOM_COMMON_RECORD_HEADER, record_offset);
+ record_header = GET_IMAGE(ATOM_COMMON_RECORD_HEADER, record_offset);
if (record_header == NULL) {
result = BP_RESULT_BADBIOSTABLE;
break;
@@ -2615,7 +2626,7 @@ static enum bp_result update_slot_layout_info(
if (record_header->ucRecordType ==
ATOM_BRACKET_LAYOUT_RECORD_TYPE &&
- sizeof(ATOM_BRACKET_LAYOUT_RECORD)
+ struct_size(record, asConnInfo, 1)
<= record_header->ucRecordSize) {
record = (ATOM_BRACKET_LAYOUT_RECORD *)
(record_header);
@@ -2709,8 +2720,9 @@ static enum bp_result get_bracket_layout_record(
genericTableOffset = bp->object_info_tbl_offset +
bp->object_info_tbl.v1_3->usMiscObjectTableOffset;
- object_table = (ATOM_OBJECT_TABLE *)
- GET_IMAGE(ATOM_OBJECT_TABLE, genericTableOffset);
+ object_table = ((ATOM_OBJECT_TABLE *) bios_get_image(&bp->base,
+ genericTableOffset,
+ struct_size(object_table, asObjects, 1)));
if (!object_table)
return BP_RESULT_FAILURE;
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 ee0456b5e14e..074e70a5c458 100644
--- a/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c
+++ b/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c
@@ -462,6 +462,7 @@ static enum bp_result get_gpio_i2c_info(
uint32_t count = 0;
unsigned int table_index = 0;
bool find_valid = false;
+ struct atom_gpio_pin_assignment *pin;
if (!info)
return BP_RESULT_BADINPUT;
@@ -489,20 +490,17 @@ static enum bp_result get_gpio_i2c_info(
- sizeof(struct atom_common_table_header))
/ sizeof(struct atom_gpio_pin_assignment);
+ pin = (struct atom_gpio_pin_assignment *) header->gpio_pin;
+
for (table_index = 0; table_index < count; table_index++) {
- if (((record->i2c_id & I2C_HW_CAP) == (
- header->gpio_pin[table_index].gpio_id &
- I2C_HW_CAP)) &&
- ((record->i2c_id & I2C_HW_ENGINE_ID_MASK) ==
- (header->gpio_pin[table_index].gpio_id &
- I2C_HW_ENGINE_ID_MASK)) &&
- ((record->i2c_id & I2C_HW_LANE_MUX) ==
- (header->gpio_pin[table_index].gpio_id &
- I2C_HW_LANE_MUX))) {
+ if (((record->i2c_id & I2C_HW_CAP) == (pin->gpio_id & I2C_HW_CAP)) &&
+ ((record->i2c_id & I2C_HW_ENGINE_ID_MASK) == (pin->gpio_id & I2C_HW_ENGINE_ID_MASK)) &&
+ ((record->i2c_id & I2C_HW_LANE_MUX) == (pin->gpio_id & I2C_HW_LANE_MUX))) {
/* still valid */
find_valid = true;
break;
}
+ pin = (struct atom_gpio_pin_assignment *)((uint8_t *)pin + sizeof(struct atom_gpio_pin_assignment));
}
/* If we don't find the entry that we are looking for then
@@ -2393,6 +2391,26 @@ static enum bp_result get_vram_info_v25(
return result;
}
+static enum bp_result get_vram_info_v30(
+ struct bios_parser *bp,
+ struct dc_vram_info *info)
+{
+ struct atom_vram_info_header_v3_0 *info_v30;
+ enum bp_result result = BP_RESULT_OK;
+
+ info_v30 = GET_IMAGE(struct atom_vram_info_header_v3_0,
+ DATA_TABLES(vram_info));
+
+ if (info_v30 == NULL)
+ return BP_RESULT_BADBIOSTABLE;
+
+ info->num_chans = info_v30->channel_num;
+ info->dram_channel_width_bytes = (1 << info_v30->channel_width) / 8;
+
+ return result;
+}
+
+
/*
* get_integrated_info_v11
*
@@ -3060,6 +3078,16 @@ static enum bp_result bios_parser_get_vram_info(
}
break;
+ case 3:
+ switch (revision.minor) {
+ case 0:
+ result = get_vram_info_v30(bp, info);
+ break;
+ default:
+ break;
+ }
+ break;
+
default:
return result;
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-03-30 03:53:44 +0000