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Code Issues Releases Wiki Activity

drm/amdgpu: Add ucode support for DMCUB

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The DMCUB is a secondary DMCU (Display MicroController Unit) that has
its own separate firmware. It's required for DMCU support on Renoir.

Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Reviewed-by: Hersen Wu <hersenxs.wu@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Nicholas Kazlauskas 2019-10-22 13:07:55 -04:00 committed by Alex Deucher
parent 320f6d81aa
commit 02350f0bdf
2 changed files with 19 additions and 1 deletions
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11
drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c
View file

@ -447,6 +447,7 @@ static int amdgpu_ucode_init_single_fw(struct amdgpu_device *adev,
const struct common_firmware_header *header = NULL;
const struct gfx_firmware_header_v1_0 *cp_hdr = NULL;
const struct dmcu_firmware_header_v1_0 *dmcu_hdr = NULL;
const struct dmcub_firmware_header_v1_0 *dmcub_hdr = NULL;
if (NULL == ucode->fw)
return 0;
@ -460,6 +461,7 @@ static int amdgpu_ucode_init_single_fw(struct amdgpu_device *adev,
header = (const struct common_firmware_header *)ucode->fw->data;
cp_hdr = (const struct gfx_firmware_header_v1_0 *)ucode->fw->data;
dmcu_hdr = (const struct dmcu_firmware_header_v1_0 *)ucode->fw->data;
dmcub_hdr = (const struct dmcub_firmware_header_v1_0 *)ucode->fw->data;
if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP ||
(ucode->ucode_id != AMDGPU_UCODE_ID_CP_MEC1 &&
@ -470,7 +472,8 @@ static int amdgpu_ucode_init_single_fw(struct amdgpu_device *adev,
ucode->ucode_id != AMDGPU_UCODE_ID_RLC_RESTORE_LIST_GPM_MEM &&
ucode->ucode_id != AMDGPU_UCODE_ID_RLC_RESTORE_LIST_SRM_MEM &&
ucode->ucode_id != AMDGPU_UCODE_ID_DMCU_ERAM &&
ucode->ucode_id != AMDGPU_UCODE_ID_DMCU_INTV)) {
ucode->ucode_id != AMDGPU_UCODE_ID_DMCU_INTV &&
ucode->ucode_id != AMDGPU_UCODE_ID_DMCUB)) {
ucode->ucode_size = le32_to_cpu(header->ucode_size_bytes);
memcpy(ucode->kaddr, (void *)((uint8_t *)ucode->fw->data +
@ -506,6 +509,12 @@ static int amdgpu_ucode_init_single_fw(struct amdgpu_device *adev,
le32_to_cpu(header->ucode_array_offset_bytes) +
le32_to_cpu(dmcu_hdr->intv_offset_bytes)),
ucode->ucode_size);
} else if (ucode->ucode_id == AMDGPU_UCODE_ID_DMCUB) {
ucode->ucode_size = le32_to_cpu(dmcub_hdr->inst_const_bytes);
memcpy(ucode->kaddr,
(void *)((uint8_t *)ucode->fw->data +
le32_to_cpu(header->ucode_array_offset_bytes)),
ucode->ucode_size);
} else if (ucode->ucode_id == AMDGPU_UCODE_ID_RLC_RESTORE_LIST_CNTL) {
ucode->ucode_size = adev->gfx.rlc.save_restore_list_cntl_size_bytes;
memcpy(ucode->kaddr, adev->gfx.rlc.save_restore_list_cntl,

9
drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.h
View file

@ -251,6 +251,13 @@ struct dmcu_firmware_header_v1_0 {
uint32_t intv_size_bytes; /* size of interrupt vectors, in bytes */
};
/* version_major=1, version_minor=0 */
struct dmcub_firmware_header_v1_0 {
struct common_firmware_header header;
uint32_t inst_const_bytes; /* size of instruction region, in bytes */
uint32_t bss_data_bytes; /* size of bss/data region, in bytes */
};
/* header is fixed size */
union amdgpu_firmware_header {
struct common_firmware_header common;
@ -268,6 +275,7 @@ union amdgpu_firmware_header {
struct sdma_firmware_header_v1_1 sdma_v1_1;
struct gpu_info_firmware_header_v1_0 gpu_info;
struct dmcu_firmware_header_v1_0 dmcu;
struct dmcub_firmware_header_v1_0 dmcub;
uint8_t raw[0x100];
};
@ -307,6 +315,7 @@ enum AMDGPU_UCODE_ID {
AMDGPU_UCODE_ID_DMCU_INTV,
AMDGPU_UCODE_ID_VCN0_RAM,
AMDGPU_UCODE_ID_VCN1_RAM,
AMDGPU_UCODE_ID_DMCUB,
AMDGPU_UCODE_ID_MAXIMUM,
};