nagai/kernel
3
0
Fork 0
forked from mirrors/linux
Code Pull requests Activity

drm/amdgpu: add function to init SDMA microcode

Browse source 
Add an common function to init SDMA related microcode.

Signed-off-by: Likun Gao <Likun.Gao@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Likun Gao 2022-09-22 14:33:06 +08:00 committed by Alex Deucher
parent e268df1d20
commit 15aa13056d
2 changed files with 93 additions and 0 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

89
drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.c
View file

@ -21,6 +21,7 @@
*
*/
#include <linux/firmware.h>
#include "amdgpu.h"
#include "amdgpu_sdma.h"
#include "amdgpu_ras.h"
@ -150,3 +151,91 @@ int amdgpu_sdma_process_ecc_irq(struct amdgpu_device *adev,
amdgpu_ras_interrupt_dispatch(adev, &ih_data);
return 0;
}
static int amdgpu_sdma_init_inst_ctx(struct amdgpu_sdma_instance *sdma_inst)
{
int err = 0;
const struct sdma_firmware_header_v1_0 *hdr;
err = amdgpu_ucode_validate(sdma_inst->fw);
if (err)
return err;
hdr = (const struct sdma_firmware_header_v1_0 *)sdma_inst->fw->data;
sdma_inst->fw_version = le32_to_cpu(hdr->header.ucode_version);
sdma_inst->feature_version = le32_to_cpu(hdr->ucode_feature_version);
if (sdma_inst->feature_version >= 20)
sdma_inst->burst_nop = true;
return 0;
}
void amdgpu_sdma_destroy_inst_ctx(struct amdgpu_device *adev,
bool duplicate)
{
int i;
for (i = 0; i < adev->sdma.num_instances; i++) {
release_firmware(adev->sdma.instance[i].fw);
if (duplicate)
break;
}
memset((void *)adev->sdma.instance, 0,
sizeof(struct amdgpu_sdma_instance) * AMDGPU_MAX_SDMA_INSTANCES);
}
int amdgpu_sdma_init_microcode(struct amdgpu_device *adev,
char *fw_name, u32 instance,
bool duplicate)
{
struct amdgpu_firmware_info *info = NULL;
const struct common_firmware_header *header = NULL;
int err = 0, i;
if (duplicate && instance)
return -EINVAL;
err = request_firmware(&adev->sdma.instance[instance].fw, fw_name, adev->dev);
if (err)
goto out;
err = amdgpu_sdma_init_inst_ctx(&adev->sdma.instance[instance]);
if (err)
goto out;
if (duplicate) {
for (i = 1; i < adev->sdma.num_instances; i++)
memcpy((void *)&adev->sdma.instance[i],
(void *)&adev->sdma.instance[0],
sizeof(struct amdgpu_sdma_instance));
}
if (amdgpu_sriov_vf(adev))
return 0;
DRM_DEBUG("psp_load == '%s'\n",
adev->firmware.load_type == AMDGPU_FW_LOAD_PSP ? "true" : "false");
if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
for (i = 0; i < adev->sdma.num_instances; i++) {
if (!duplicate && (instance != i))
continue;
else {
info = &adev->firmware.ucode[AMDGPU_UCODE_ID_SDMA0 + i];
info->ucode_id = AMDGPU_UCODE_ID_SDMA0 + i;
info->fw = adev->sdma.instance[i].fw;
header = (const struct common_firmware_header *)info->fw->data;
adev->firmware.fw_size +=
ALIGN(le32_to_cpu(header->ucode_size_bytes), PAGE_SIZE);
}
}
}
out:
if (err) {
DRM_ERROR("SDMA: Failed to init firmware \"%s\"\n", fw_name);
amdgpu_sdma_destroy_inst_ctx(adev, duplicate);
}
return err;
}

4
drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.h
View file

@ -124,4 +124,8 @@ int amdgpu_sdma_process_ras_data_cb(struct amdgpu_device *adev,
int amdgpu_sdma_process_ecc_irq(struct amdgpu_device *adev,
struct amdgpu_irq_src *source,
struct amdgpu_iv_entry *entry);
int amdgpu_sdma_init_microcode(struct amdgpu_device *adev,
char *fw_name, u32 instance, bool duplicate);
void amdgpu_sdma_destroy_inst_ctx(struct amdgpu_device *adev,
bool duplicate);
#endif