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linuxdebug/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c

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null pointer error
2024-07-16 15:50:57 +02:00
/*
* Copyright 2015 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
*
*/
#include <linux/list.h>
#include <linux/pci.h>
#include <linux/slab.h>
#include <linux/firmware.h>
#include <drm/amdgpu_drm.h>
#include "amdgpu.h"
#include "atom.h"
#include "amdgpu_ucode.h"
struct amdgpu_cgs_device {
struct cgs_device base;
struct amdgpu_device *adev;
};
#define CGS_FUNC_ADEV \
struct amdgpu_device *adev = \
((struct amdgpu_cgs_device *)cgs_device)->adev
static uint32_t amdgpu_cgs_read_register(struct cgs_device *cgs_device, unsigned offset)
{
CGS_FUNC_ADEV;
return RREG32(offset);
}
static void amdgpu_cgs_write_register(struct cgs_device *cgs_device, unsigned offset,
uint32_t value)
{
CGS_FUNC_ADEV;
WREG32(offset, value);
}
static uint32_t amdgpu_cgs_read_ind_register(struct cgs_device *cgs_device,
enum cgs_ind_reg space,
unsigned index)
{
CGS_FUNC_ADEV;
switch (space) {
case CGS_IND_REG__PCIE:
return RREG32_PCIE(index);
case CGS_IND_REG__SMC:
return RREG32_SMC(index);
case CGS_IND_REG__UVD_CTX:
return RREG32_UVD_CTX(index);
case CGS_IND_REG__DIDT:
return RREG32_DIDT(index);
case CGS_IND_REG_GC_CAC:
return RREG32_GC_CAC(index);
case CGS_IND_REG_SE_CAC:
return RREG32_SE_CAC(index);
case CGS_IND_REG__AUDIO_ENDPT:
DRM_ERROR("audio endpt register access not implemented.\n");
return 0;
default:
BUG();
}
WARN(1, "Invalid indirect register space");
return 0;
}
static void amdgpu_cgs_write_ind_register(struct cgs_device *cgs_device,
enum cgs_ind_reg space,
unsigned index, uint32_t value)
{
CGS_FUNC_ADEV;
switch (space) {
case CGS_IND_REG__PCIE:
return WREG32_PCIE(index, value);
case CGS_IND_REG__SMC:
return WREG32_SMC(index, value);
case CGS_IND_REG__UVD_CTX:
return WREG32_UVD_CTX(index, value);
case CGS_IND_REG__DIDT:
return WREG32_DIDT(index, value);
case CGS_IND_REG_GC_CAC:
return WREG32_GC_CAC(index, value);
case CGS_IND_REG_SE_CAC:
return WREG32_SE_CAC(index, value);
case CGS_IND_REG__AUDIO_ENDPT:
DRM_ERROR("audio endpt register access not implemented.\n");
return;
default:
BUG();
}
WARN(1, "Invalid indirect register space");
}
static uint32_t fw_type_convert(struct cgs_device *cgs_device, uint32_t fw_type)
{
CGS_FUNC_ADEV;
enum AMDGPU_UCODE_ID result = AMDGPU_UCODE_ID_MAXIMUM;
switch (fw_type) {
case CGS_UCODE_ID_SDMA0:
result = AMDGPU_UCODE_ID_SDMA0;
break;
case CGS_UCODE_ID_SDMA1:
result = AMDGPU_UCODE_ID_SDMA1;
break;
case CGS_UCODE_ID_CP_CE:
result = AMDGPU_UCODE_ID_CP_CE;
break;
case CGS_UCODE_ID_CP_PFP:
result = AMDGPU_UCODE_ID_CP_PFP;
break;
case CGS_UCODE_ID_CP_ME:
result = AMDGPU_UCODE_ID_CP_ME;
break;
case CGS_UCODE_ID_CP_MEC:
case CGS_UCODE_ID_CP_MEC_JT1:
result = AMDGPU_UCODE_ID_CP_MEC1;
break;
case CGS_UCODE_ID_CP_MEC_JT2:
/* for VI. JT2 should be the same as JT1, because:
1, MEC2 and MEC1 use exactly same FW.
2, JT2 is not pached but JT1 is.
*/
if (adev->asic_type >= CHIP_TOPAZ)
result = AMDGPU_UCODE_ID_CP_MEC1;
else
result = AMDGPU_UCODE_ID_CP_MEC2;
break;
case CGS_UCODE_ID_RLC_G:
result = AMDGPU_UCODE_ID_RLC_G;
break;
case CGS_UCODE_ID_STORAGE:
result = AMDGPU_UCODE_ID_STORAGE;
break;
default:
DRM_ERROR("Firmware type not supported\n");
}
return result;
}
static uint16_t amdgpu_get_firmware_version(struct cgs_device *cgs_device,
enum cgs_ucode_id type)
{
CGS_FUNC_ADEV;
uint16_t fw_version = 0;
switch (type) {
case CGS_UCODE_ID_SDMA0:
fw_version = adev->sdma.instance[0].fw_version;
break;
case CGS_UCODE_ID_SDMA1:
fw_version = adev->sdma.instance[1].fw_version;
break;
case CGS_UCODE_ID_CP_CE:
fw_version = adev->gfx.ce_fw_version;
break;
case CGS_UCODE_ID_CP_PFP:
fw_version = adev->gfx.pfp_fw_version;
break;
case CGS_UCODE_ID_CP_ME:
fw_version = adev->gfx.me_fw_version;
break;
case CGS_UCODE_ID_CP_MEC:
fw_version = adev->gfx.mec_fw_version;
break;
case CGS_UCODE_ID_CP_MEC_JT1:
fw_version = adev->gfx.mec_fw_version;
break;
case CGS_UCODE_ID_CP_MEC_JT2:
fw_version = adev->gfx.mec_fw_version;
break;
case CGS_UCODE_ID_RLC_G:
fw_version = adev->gfx.rlc_fw_version;
break;
case CGS_UCODE_ID_STORAGE:
break;
default:
DRM_ERROR("firmware type %d do not have version\n", type);
break;
}
return fw_version;
}
static int amdgpu_cgs_get_firmware_info(struct cgs_device *cgs_device,
enum cgs_ucode_id type,
struct cgs_firmware_info *info)
{
CGS_FUNC_ADEV;
if ((CGS_UCODE_ID_SMU != type) && (CGS_UCODE_ID_SMU_SK != type)) {
uint64_t gpu_addr;
uint32_t data_size;
const struct gfx_firmware_header_v1_0 *header;
enum AMDGPU_UCODE_ID id;
struct amdgpu_firmware_info *ucode;
id = fw_type_convert(cgs_device, type);
ucode = &adev->firmware.ucode[id];
if (ucode->fw == NULL)
return -EINVAL;
gpu_addr = ucode->mc_addr;
header = (const struct gfx_firmware_header_v1_0 *)ucode->fw->data;
data_size = le32_to_cpu(header->header.ucode_size_bytes);
if ((type == CGS_UCODE_ID_CP_MEC_JT1) ||
(type == CGS_UCODE_ID_CP_MEC_JT2)) {
gpu_addr += ALIGN(le32_to_cpu(header->header.ucode_size_bytes), PAGE_SIZE);
data_size = le32_to_cpu(header->jt_size) << 2;
}
info->kptr = ucode->kaddr;
info->image_size = data_size;
info->mc_addr = gpu_addr;
info->version = (uint16_t)le32_to_cpu(header->header.ucode_version);
if (CGS_UCODE_ID_CP_MEC == type)
info->image_size = le32_to_cpu(header->jt_offset) << 2;
info->fw_version = amdgpu_get_firmware_version(cgs_device, type);
info->feature_version = (uint16_t)le32_to_cpu(header->ucode_feature_version);
} else {
char fw_name[30] = {0};
int err = 0;
uint32_t ucode_size;
uint32_t ucode_start_address;
const uint8_t *src;
const struct smc_firmware_header_v1_0 *hdr;
const struct common_firmware_header *header;
struct amdgpu_firmware_info *ucode = NULL;
if (!adev->pm.fw) {
switch (adev->asic_type) {
case CHIP_TAHITI:
strcpy(fw_name, "radeon/tahiti_smc.bin");
break;
case CHIP_PITCAIRN:
if ((adev->pdev->revision == 0x81) &&
((adev->pdev->device == 0x6810) ||
(adev->pdev->device == 0x6811))) {
info->is_kicker = true;
strcpy(fw_name, "radeon/pitcairn_k_smc.bin");
} else {
strcpy(fw_name, "radeon/pitcairn_smc.bin");
}
break;
case CHIP_VERDE:
if (((adev->pdev->device == 0x6820) &&
((adev->pdev->revision == 0x81) ||
(adev->pdev->revision == 0x83))) ||
((adev->pdev->device == 0x6821) &&
((adev->pdev->revision == 0x83) ||
(adev->pdev->revision == 0x87))) ||
((adev->pdev->revision == 0x87) &&
((adev->pdev->device == 0x6823) ||
(adev->pdev->device == 0x682b)))) {
info->is_kicker = true;
strcpy(fw_name, "radeon/verde_k_smc.bin");
} else {
strcpy(fw_name, "radeon/verde_smc.bin");
}
break;
case CHIP_OLAND:
if (((adev->pdev->revision == 0x81) &&
((adev->pdev->device == 0x6600) ||
(adev->pdev->device == 0x6604) ||
(adev->pdev->device == 0x6605) ||
(adev->pdev->device == 0x6610))) ||
((adev->pdev->revision == 0x83) &&
(adev->pdev->device == 0x6610))) {
info->is_kicker = true;
strcpy(fw_name, "radeon/oland_k_smc.bin");
} else {
strcpy(fw_name, "radeon/oland_smc.bin");
}
break;
case CHIP_HAINAN:
if (((adev->pdev->revision == 0x81) &&
(adev->pdev->device == 0x6660)) ||
((adev->pdev->revision == 0x83) &&
((adev->pdev->device == 0x6660) ||
(adev->pdev->device == 0x6663) ||
(adev->pdev->device == 0x6665) ||
(adev->pdev->device == 0x6667)))) {
info->is_kicker = true;
strcpy(fw_name, "radeon/hainan_k_smc.bin");
} else if ((adev->pdev->revision == 0xc3) &&
(adev->pdev->device == 0x6665)) {
info->is_kicker = true;
strcpy(fw_name, "radeon/banks_k_2_smc.bin");
} else {
strcpy(fw_name, "radeon/hainan_smc.bin");
}
break;
case CHIP_BONAIRE:
if ((adev->pdev->revision == 0x80) ||
(adev->pdev->revision == 0x81) ||
(adev->pdev->device == 0x665f)) {
info->is_kicker = true;
strcpy(fw_name, "amdgpu/bonaire_k_smc.bin");
} else {
strcpy(fw_name, "amdgpu/bonaire_smc.bin");
}
break;
case CHIP_HAWAII:
if (adev->pdev->revision == 0x80) {
info->is_kicker = true;
strcpy(fw_name, "amdgpu/hawaii_k_smc.bin");
} else {
strcpy(fw_name, "amdgpu/hawaii_smc.bin");
}
break;
case CHIP_TOPAZ:
if (((adev->pdev->device == 0x6900) && (adev->pdev->revision == 0x81)) ||
((adev->pdev->device == 0x6900) && (adev->pdev->revision == 0x83)) ||
((adev->pdev->device == 0x6907) && (adev->pdev->revision == 0x87)) ||
((adev->pdev->device == 0x6900) && (adev->pdev->revision == 0xD1)) ||
((adev->pdev->device == 0x6900) && (adev->pdev->revision == 0xD3))) {
info->is_kicker = true;
strcpy(fw_name, "amdgpu/topaz_k_smc.bin");
} else
strcpy(fw_name, "amdgpu/topaz_smc.bin");
break;
case CHIP_TONGA:
if (((adev->pdev->device == 0x6939) && (adev->pdev->revision == 0xf1)) ||
((adev->pdev->device == 0x6938) && (adev->pdev->revision == 0xf1))) {
info->is_kicker = true;
strcpy(fw_name, "amdgpu/tonga_k_smc.bin");
} else
strcpy(fw_name, "amdgpu/tonga_smc.bin");
break;
case CHIP_FIJI:
strcpy(fw_name, "amdgpu/fiji_smc.bin");
break;
case CHIP_POLARIS11:
if (type == CGS_UCODE_ID_SMU) {
if (ASICID_IS_P21(adev->pdev->device, adev->pdev->revision)) {
info->is_kicker = true;
strcpy(fw_name, "amdgpu/polaris11_k_smc.bin");
} else if (ASICID_IS_P31(adev->pdev->device, adev->pdev->revision)) {
info->is_kicker = true;
strcpy(fw_name, "amdgpu/polaris11_k2_smc.bin");
} else {
strcpy(fw_name, "amdgpu/polaris11_smc.bin");
}
} else if (type == CGS_UCODE_ID_SMU_SK) {
strcpy(fw_name, "amdgpu/polaris11_smc_sk.bin");
}
break;
case CHIP_POLARIS10:
if (type == CGS_UCODE_ID_SMU) {
if (ASICID_IS_P20(adev->pdev->device, adev->pdev->revision)) {
info->is_kicker = true;
strcpy(fw_name, "amdgpu/polaris10_k_smc.bin");
} else if (ASICID_IS_P30(adev->pdev->device, adev->pdev->revision)) {
info->is_kicker = true;
strcpy(fw_name, "amdgpu/polaris10_k2_smc.bin");
} else {
strcpy(fw_name, "amdgpu/polaris10_smc.bin");
}
} else if (type == CGS_UCODE_ID_SMU_SK) {
strcpy(fw_name, "amdgpu/polaris10_smc_sk.bin");
}
break;
case CHIP_POLARIS12:
if (ASICID_IS_P23(adev->pdev->device, adev->pdev->revision)) {
info->is_kicker = true;
strcpy(fw_name, "amdgpu/polaris12_k_smc.bin");
} else {
strcpy(fw_name, "amdgpu/polaris12_smc.bin");
}
break;
case CHIP_VEGAM:
strcpy(fw_name, "amdgpu/vegam_smc.bin");
break;
case CHIP_VEGA10:
if ((adev->pdev->device == 0x687f) &&
((adev->pdev->revision == 0xc0) ||
(adev->pdev->revision == 0xc1) ||
(adev->pdev->revision == 0xc3)))
strcpy(fw_name, "amdgpu/vega10_acg_smc.bin");
else
strcpy(fw_name, "amdgpu/vega10_smc.bin");
break;
case CHIP_VEGA12:
strcpy(fw_name, "amdgpu/vega12_smc.bin");
break;
case CHIP_VEGA20:
strcpy(fw_name, "amdgpu/vega20_smc.bin");
break;
default:
DRM_ERROR("SMC firmware not supported\n");
return -EINVAL;
}
err = request_firmware(&adev->pm.fw, fw_name, adev->dev);
if (err) {
DRM_ERROR("Failed to request firmware\n");
return err;
}
err = amdgpu_ucode_validate(adev->pm.fw);
if (err) {
DRM_ERROR("Failed to load firmware \"%s\"", fw_name);
release_firmware(adev->pm.fw);
adev->pm.fw = NULL;
return err;
}
if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
ucode = &adev->firmware.ucode[AMDGPU_UCODE_ID_SMC];
ucode->ucode_id = AMDGPU_UCODE_ID_SMC;
ucode->fw = adev->pm.fw;
header = (const struct common_firmware_header *)ucode->fw->data;
adev->firmware.fw_size +=
ALIGN(le32_to_cpu(header->ucode_size_bytes), PAGE_SIZE);
}
}
hdr = (const struct smc_firmware_header_v1_0 *) adev->pm.fw->data;
amdgpu_ucode_print_smc_hdr(&hdr->header);
adev->pm.fw_version = le32_to_cpu(hdr->header.ucode_version);
ucode_size = le32_to_cpu(hdr->header.ucode_size_bytes);
ucode_start_address = le32_to_cpu(hdr->ucode_start_addr);
src = (const uint8_t *)(adev->pm.fw->data +
le32_to_cpu(hdr->header.ucode_array_offset_bytes));
info->version = adev->pm.fw_version;
info->image_size = ucode_size;
info->ucode_start_address = ucode_start_address;
info->kptr = (void *)src;
}
return 0;
}
static const struct cgs_ops amdgpu_cgs_ops = {
.read_register = amdgpu_cgs_read_register,
.write_register = amdgpu_cgs_write_register,
.read_ind_register = amdgpu_cgs_read_ind_register,
.write_ind_register = amdgpu_cgs_write_ind_register,
.get_firmware_info = amdgpu_cgs_get_firmware_info,
};
struct cgs_device *amdgpu_cgs_create_device(struct amdgpu_device *adev)
{
struct amdgpu_cgs_device *cgs_device =
kmalloc(sizeof(*cgs_device), GFP_KERNEL);
if (!cgs_device) {
DRM_ERROR("Couldn't allocate CGS device structure\n");
return NULL;
}
cgs_device->base.ops = &amdgpu_cgs_ops;
cgs_device->adev = adev;
return (struct cgs_device *)cgs_device;
}
void amdgpu_cgs_destroy_device(struct cgs_device *cgs_device)
{
kfree(cgs_device);
}