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drm/amdgpu: add param to specify fw bo location for front-door loading

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This param can help isolating data path issues on new systems in early phase.

Signed-off-by: Le Ma <le.ma@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Le Ma 2024-01-03 15:27:38 +08:00 • committed by Alex Deucher
parent 8e317a811f
commit c572abffe9
4 changed files with 10 additions and 2 deletions
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2
drivers/gpu/drm/amd/amdgpu/amdgpu.h
View file

@ -254,6 +254,8 @@ extern int amdgpu_agp;
extern int amdgpu_wbrf;
extern int fw_bo_location;
#define AMDGPU_VM_MAX_NUM_CTX 4096
#define AMDGPU_SG_THRESHOLD (256*1024*1024)
#define AMDGPU_WAIT_IDLE_TIMEOUT_IN_MS 3000

5
drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
View file

@ -210,6 +210,7 @@ int amdgpu_seamless = -1; /* auto */
uint amdgpu_debug_mask;
int amdgpu_agp = -1; /* auto */
int amdgpu_wbrf = -1;
int fw_bo_location = -1;
static void amdgpu_drv_delayed_reset_work_handler(struct work_struct *work);
@ -989,6 +990,10 @@ MODULE_PARM_DESC(wbrf,
"Enable Wifi RFI interference mitigation (0 = disabled, 1 = enabled, -1 = auto(default)");
module_param_named(wbrf, amdgpu_wbrf, int, 0444);
MODULE_PARM_DESC(fw_bo_location,
"location to put firmware bo for frontdoor loading (-1 = auto (default), 0 = on ram, 1 = on vram");
module_param(fw_bo_location, int, 0644);
/* These devices are not supported by amdgpu.
* They are supported by the mach64, r128, radeon drivers
*/

2
drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
View file

@ -466,7 +466,7 @@ static int psp_sw_init(void *handle)
}
ret = amdgpu_bo_create_kernel(adev, PSP_1_MEG, PSP_1_MEG,
amdgpu_sriov_vf(adev) ?
(amdgpu_sriov_vf(adev) || fw_bo_location == 1) ?
AMDGPU_GEM_DOMAIN_VRAM : AMDGPU_GEM_DOMAIN_GTT,
&psp->fw_pri_bo,
&psp->fw_pri_mc_addr,

3
drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c
View file

@ -1062,7 +1062,8 @@ int amdgpu_ucode_create_bo(struct amdgpu_device *adev)
{
if (adev->firmware.load_type != AMDGPU_FW_LOAD_DIRECT) {
amdgpu_bo_create_kernel(adev, adev->firmware.fw_size, PAGE_SIZE,
amdgpu_sriov_vf(adev) ? AMDGPU_GEM_DOMAIN_VRAM : AMDGPU_GEM_DOMAIN_GTT,
(amdgpu_sriov_vf(adev) || fw_bo_location == 1) ?
AMDGPU_GEM_DOMAIN_VRAM : AMDGPU_GEM_DOMAIN_GTT,
&adev->firmware.fw_buf,
&adev->firmware.fw_buf_mc,
&adev->firmware.fw_buf_ptr);