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drm/amdgpu: Print bootloader status for long waits

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If it needs a long wait for completion of bootloader execution, report
the status in between. That helps to know if there is some issue during
bootloader execution.

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Asad Kamal <asad.kamal@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Lijo Lazar
2025-04-28 15:07:07 +05:30
committed by Alex Deucher
parent 161949dd71
commit cf1fcdeec4
1 changed files with 31 additions and 0 deletions
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31
drivers/gpu/drm/amd/amdgpu/psp_v13_0.c
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@@ -85,6 +85,8 @@ MODULE_FIRMWARE("amdgpu/psp_14_0_4_ta.bin");
#define regMP1_PUB_SCRATCH0 0x3b10090
#define PSP13_BL_STATUS_SIZE 100
static int psp_v13_0_init_microcode(struct psp_context *psp)
{
struct amdgpu_device *adev = psp->adev;
@@ -151,6 +153,32 @@ static bool psp_v13_0_is_sos_alive(struct psp_context *psp)
return sol_reg != 0x0;
}
static void psp_v13_0_bootloader_print_status(struct psp_context *psp,
const char *msg)
{
struct amdgpu_device *adev = psp->adev;
u32 bl_status_reg;
char bl_status_msg[PSP13_BL_STATUS_SIZE];
int i, at;
if (amdgpu_ip_version(adev, MP0_HWIP, 0) == IP_VERSION(13, 0, 6) ||
amdgpu_ip_version(adev, MP0_HWIP, 0) == IP_VERSION(13, 0, 12) ||
amdgpu_ip_version(adev, MP0_HWIP, 0) == IP_VERSION(13, 0, 14)) {
at = 0;
for_each_inst(i, adev->aid_mask) {
bl_status_reg =
(SOC15_REG_OFFSET(MP0, 0, regMP0_SMN_C2PMSG_92)
<< 2) +
adev->asic_funcs->encode_ext_smn_addressing(i);
at += snprintf(bl_status_msg + at,
PSP13_BL_STATUS_SIZE - at,
" status(%02i): 0x%08x", i,
RREG32_PCIE_EXT(bl_status_reg));
}
dev_info(adev->dev, "%s - %s", msg, bl_status_msg);
}
}
static int psp_v13_0_wait_for_vmbx_ready(struct psp_context *psp)
{
struct amdgpu_device *adev = psp->adev;
@@ -196,6 +224,9 @@ static int psp_v13_0_wait_for_bootloader(struct psp_context *psp)
if (ret == 0)
return 0;
if (retry_loop && !(retry_loop % 10))
psp_v13_0_bootloader_print_status(
psp, "Waiting for bootloader completion");
}
return ret;