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Message-ID: <20230103221852.22813-23-mario.limonciello@amd.com>
Date: Tue, 3 Jan 2023 16:18:41 -0600
From: Mario Limonciello <mario.limonciello@....com>
To: Alex Deucher <alexander.deucher@....com>,
<linux-kernel@...r.kernel.org>
CC: Javier Martinez Canillas <javierm@...hat.com>,
Carlos Soriano Sanchez <csoriano@...hat.com>,
<amd-gfx@...ts.freedesktop.org>, <dri-devel@...ts.freedesktop.org>,
David Airlie <airlied@...il.com>,
"Daniel Vetter" <daniel@...ll.ch>, <christian.koenig@....com>,
Lazar Lijo <Lijo.Lazar@....com>,
Mario Limonciello <mario.limonciello@....com>,
"Pan, Xinhui" <Xinhui.Pan@....com>
Subject: [PATCH v4 22/27] drm/amd: Load PSP microcode during early_init
Simplifies the code so that all PSP versions will get the firmware
name from `amdgpu_ucode_ip_version_decode` and then use this filename
to load microcode as part of the early_init process.
Any failures will cause the driver to fail to probe before the firmware
framebuffer has been removed.
Signed-off-by: Mario Limonciello <mario.limonciello@....com>
---
v3->v4:
* new patch
---
drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 128 +++++++++--------------
drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h | 3 +
drivers/gpu/drm/amd/amdgpu/psp_v10_0.c | 16 +--
drivers/gpu/drm/amd/amdgpu/psp_v11_0.c | 55 ++--------
drivers/gpu/drm/amd/amdgpu/psp_v12_0.c | 13 +--
drivers/gpu/drm/amd/amdgpu/psp_v13_0.c | 27 ++---
drivers/gpu/drm/amd/amdgpu/psp_v13_0_4.c | 14 +--
drivers/gpu/drm/amd/amdgpu/psp_v3_1.c | 16 +--
8 files changed, 79 insertions(+), 193 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
index d51fe3431e2b..3b0644600a1f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
@@ -122,6 +122,44 @@ static void psp_check_pmfw_centralized_cstate_management(struct psp_context *psp
}
}
+static int psp_init_sriov_microcode(struct psp_context *psp)
+{
+ struct amdgpu_device *adev = psp->adev;
+ char ucode_prefix[30];
+ int ret = 0;
+
+ amdgpu_ucode_ip_version_decode(adev, MP0_HWIP, ucode_prefix, sizeof(ucode_prefix));
+
+ switch (adev->ip_versions[MP0_HWIP][0]) {
+ case IP_VERSION(9, 0, 0):
+ adev->virt.autoload_ucode_id = AMDGPU_UCODE_ID_CP_MEC2;
+ ret = psp_init_cap_microcode(psp, ucode_prefix);
+ break;
+ case IP_VERSION(11, 0, 9):
+ adev->virt.autoload_ucode_id = AMDGPU_UCODE_ID_CP_MEC2;
+ ret = psp_init_cap_microcode(psp, ucode_prefix);
+ break;
+ case IP_VERSION(11, 0, 7):
+ adev->virt.autoload_ucode_id = AMDGPU_UCODE_ID_CP_MEC2;
+ ret = psp_init_cap_microcode(psp, ucode_prefix);
+ break;
+ case IP_VERSION(13, 0, 2):
+ adev->virt.autoload_ucode_id = AMDGPU_UCODE_ID_CP_MEC2;
+ ret = psp_init_cap_microcode(psp, ucode_prefix);
+ ret &= psp_init_ta_microcode(psp, ucode_prefix);
+ break;
+ case IP_VERSION(13, 0, 0):
+ adev->virt.autoload_ucode_id = 0;
+ break;
+ case IP_VERSION(13, 0, 10):
+ adev->virt.autoload_ucode_id = AMDGPU_UCODE_ID_CP_MES1_DATA;
+ break;
+ default:
+ return -EINVAL;
+ }
+ return ret;
+}
+
static int psp_early_init(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
@@ -192,7 +230,10 @@ static int psp_early_init(void *handle)
psp_check_pmfw_centralized_cstate_management(psp);
- return 0;
+ if (amdgpu_sriov_vf(adev))
+ return psp_init_sriov_microcode(psp);
+ else
+ return psp_init_microcode(psp);
}
void psp_ta_free_shared_buf(struct ta_mem_context *mem_ctx)
@@ -350,42 +391,6 @@ static bool psp_get_runtime_db_entry(struct amdgpu_device *adev,
return ret;
}
-static int psp_init_sriov_microcode(struct psp_context *psp)
-{
- struct amdgpu_device *adev = psp->adev;
- int ret = 0;
-
- switch (adev->ip_versions[MP0_HWIP][0]) {
- case IP_VERSION(9, 0, 0):
- adev->virt.autoload_ucode_id = AMDGPU_UCODE_ID_CP_MEC2;
- ret = psp_init_cap_microcode(psp, "vega10");
- break;
- case IP_VERSION(11, 0, 9):
- adev->virt.autoload_ucode_id = AMDGPU_UCODE_ID_CP_MEC2;
- ret = psp_init_cap_microcode(psp, "navi12");
- break;
- case IP_VERSION(11, 0, 7):
- adev->virt.autoload_ucode_id = AMDGPU_UCODE_ID_CP_MEC2;
- ret = psp_init_cap_microcode(psp, "sienna_cichlid");
- break;
- case IP_VERSION(13, 0, 2):
- adev->virt.autoload_ucode_id = AMDGPU_UCODE_ID_CP_MEC2;
- ret = psp_init_cap_microcode(psp, "aldebaran");
- ret &= psp_init_ta_microcode(psp, "aldebaran");
- break;
- case IP_VERSION(13, 0, 0):
- adev->virt.autoload_ucode_id = 0;
- break;
- case IP_VERSION(13, 0, 10):
- adev->virt.autoload_ucode_id = AMDGPU_UCODE_ID_CP_MES1_DATA;
- break;
- default:
- ret = -EINVAL;
- break;
- }
- return ret;
-}
-
static int psp_sw_init(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
@@ -401,15 +406,6 @@ static int psp_sw_init(void *handle)
ret = -ENOMEM;
}
- if (amdgpu_sriov_vf(adev))
- ret = psp_init_sriov_microcode(psp);
- else
- ret = psp_init_microcode(psp);
- if (ret) {
- DRM_ERROR("Failed to load psp firmware!\n");
- return ret;
- }
-
adev->psp.xgmi_context.supports_extended_data =
!adev->gmc.xgmi.connected_to_cpu &&
adev->ip_versions[MP0_HWIP][0] == IP_VERSION(13, 0, 2);
@@ -2908,20 +2904,14 @@ int psp_ring_cmd_submit(struct psp_context *psp,
return 0;
}
-int psp_init_asd_microcode(struct psp_context *psp,
- const char *chip_name)
+int psp_init_asd_microcode(struct psp_context *psp, char *ucode_prefix)
{
struct amdgpu_device *adev = psp->adev;
char fw_name[PSP_FW_NAME_LEN];
const struct psp_firmware_header_v1_0 *asd_hdr;
int err = 0;
- if (!chip_name) {
- dev_err(adev->dev, "invalid chip name for asd microcode\n");
- return -EINVAL;
- }
-
- snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_asd.bin", chip_name);
+ snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_asd.bin", ucode_prefix);
err = request_firmware(&adev->psp.asd_fw, fw_name, adev->dev);
if (err)
goto out;
@@ -2944,20 +2934,14 @@ int psp_init_asd_microcode(struct psp_context *psp,
return err;
}
-int psp_init_toc_microcode(struct psp_context *psp,
- const char *chip_name)
+int psp_init_toc_microcode(struct psp_context *psp, char *ucode_prefix)
{
struct amdgpu_device *adev = psp->adev;
char fw_name[PSP_FW_NAME_LEN];
const struct psp_firmware_header_v1_0 *toc_hdr;
int err = 0;
- if (!chip_name) {
- dev_err(adev->dev, "invalid chip name for toc microcode\n");
- return -EINVAL;
- }
-
- snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_toc.bin", chip_name);
+ snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_toc.bin", ucode_prefix);
err = request_firmware(&adev->psp.toc_fw, fw_name, adev->dev);
if (err)
goto out;
@@ -3107,8 +3091,7 @@ static int psp_init_sos_base_fw(struct amdgpu_device *adev)
return 0;
}
-int psp_init_sos_microcode(struct psp_context *psp,
- const char *chip_name)
+int psp_init_sos_microcode(struct psp_context *psp, char *ucode_prefix)
{
struct amdgpu_device *adev = psp->adev;
char fw_name[PSP_FW_NAME_LEN];
@@ -3121,12 +3104,7 @@ int psp_init_sos_microcode(struct psp_context *psp,
uint8_t *ucode_array_start_addr;
int fw_index = 0;
- if (!chip_name) {
- dev_err(adev->dev, "invalid chip name for sos microcode\n");
- return -EINVAL;
- }
-
- snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_sos.bin", chip_name);
+ snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_sos.bin", ucode_prefix);
err = request_firmware(&adev->psp.sos_fw, fw_name, adev->dev);
if (err)
goto out;
@@ -3391,8 +3369,7 @@ int psp_init_ta_microcode(struct psp_context *psp, char *ucode_prefix)
return err;
}
-int psp_init_cap_microcode(struct psp_context *psp,
- const char *chip_name)
+int psp_init_cap_microcode(struct psp_context *psp, char *ucode_prefix)
{
struct amdgpu_device *adev = psp->adev;
char fw_name[PSP_FW_NAME_LEN];
@@ -3400,17 +3377,12 @@ int psp_init_cap_microcode(struct psp_context *psp,
struct amdgpu_firmware_info *info = NULL;
int err = 0;
- if (!chip_name) {
- dev_err(adev->dev, "invalid chip name for cap microcode\n");
- return -EINVAL;
- }
-
if (!amdgpu_sriov_vf(adev)) {
dev_err(adev->dev, "cap microcode should only be loaded under SRIOV\n");
return -EINVAL;
}
- snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_cap.bin", chip_name);
+ snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_cap.bin", ucode_prefix);
err = request_firmware(&adev->psp.cap_fw, fw_name, adev->dev);
if (err) {
dev_warn(adev->dev, "cap microcode does not exist, skip\n");
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
index 45dc370f96bd..47b88233bf94 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
@@ -502,6 +502,9 @@ int psp_ring_cmd_submit(struct psp_context *psp,
uint64_t cmd_buf_mc_addr,
uint64_t fence_mc_addr,
int index);
+int psp_init_asd_microcode(struct psp_context *psp, char *ucode_prefix);
+int psp_init_toc_microcode(struct psp_context *psp, char *ucode_prefix);
+int psp_init_sos_microcode(struct psp_context *psp, char *ucode_prefix);
int psp_init_ta_microcode(struct psp_context *psp, char *ucode_prefix);
int psp_init_cap_microcode(struct psp_context *psp,
const char *chip_name);
diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v10_0.c b/drivers/gpu/drm/amd/amdgpu/psp_v10_0.c
index 7fb48c1dec71..e1b7fca09666 100644
--- a/drivers/gpu/drm/amd/amdgpu/psp_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/psp_v10_0.c
@@ -47,27 +47,15 @@ MODULE_FIRMWARE("amdgpu/raven_ta.bin");
static int psp_v10_0_init_microcode(struct psp_context *psp)
{
struct amdgpu_device *adev = psp->adev;
- const char *chip_name;
char ucode_prefix[30];
int err = 0;
DRM_DEBUG("\n");
- switch (adev->asic_type) {
- case CHIP_RAVEN:
- if (adev->apu_flags & AMD_APU_IS_RAVEN2)
- chip_name = "raven2";
- else if (adev->apu_flags & AMD_APU_IS_PICASSO)
- chip_name = "picasso";
- else
- chip_name = "raven";
- break;
- default: BUG();
- }
amdgpu_ucode_ip_version_decode(adev, MP0_HWIP, ucode_prefix, sizeof(ucode_prefix));
- err = psp_init_asd_microcode(psp, chip_name);
+ err = psp_init_asd_microcode(psp, ucode_prefix);
if (err)
- goto out;
+ return err;
return psp_init_ta_microcode(psp, ucode_prefix);
}
diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c b/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c
index 5f140b7c30d2..5fb572d3e42a 100644
--- a/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c
@@ -88,57 +88,20 @@ MODULE_FIRMWARE("amdgpu/beige_goby_ta.bin");
static int psp_v11_0_init_microcode(struct psp_context *psp)
{
struct amdgpu_device *adev = psp->adev;
- const char *chip_name;
- char fw_name[PSP_FW_NAME_LEN];
+ char ucode_prefix[30];
int err = 0;
- const struct ta_firmware_header_v1_0 *ta_hdr;
DRM_DEBUG("\n");
- switch (adev->ip_versions[MP0_HWIP][0]) {
- case IP_VERSION(11, 0, 2):
- chip_name = "vega20";
- break;
- case IP_VERSION(11, 0, 0):
- chip_name = "navi10";
- break;
- case IP_VERSION(11, 0, 5):
- chip_name = "navi14";
- break;
- case IP_VERSION(11, 0, 9):
- chip_name = "navi12";
- break;
- case IP_VERSION(11, 0, 4):
- chip_name = "arcturus";
- break;
- case IP_VERSION(11, 0, 7):
- chip_name = "sienna_cichlid";
- break;
- case IP_VERSION(11, 0, 11):
- chip_name = "navy_flounder";
- break;
- case IP_VERSION(11, 5, 0):
- chip_name = "vangogh";
- break;
- case IP_VERSION(11, 0, 12):
- chip_name = "dimgrey_cavefish";
- break;
- case IP_VERSION(11, 0, 13):
- chip_name = "beige_goby";
- break;
- default:
- BUG();
- }
amdgpu_ucode_ip_version_decode(adev, MP0_HWIP, ucode_prefix, sizeof(ucode_prefix));
-
switch (adev->ip_versions[MP0_HWIP][0]) {
case IP_VERSION(11, 0, 2):
case IP_VERSION(11, 0, 4):
- err = psp_init_sos_microcode(psp, chip_name);
+ err = psp_init_sos_microcode(psp, ucode_prefix);
if (err)
return err;
- err = psp_init_asd_microcode(psp, chip_name);
+ err = psp_init_asd_microcode(psp, ucode_prefix);
if (err)
return err;
err = psp_init_ta_microcode(psp, ucode_prefix);
@@ -148,10 +111,10 @@ static int psp_v11_0_init_microcode(struct psp_context *psp)
case IP_VERSION(11, 0, 0):
case IP_VERSION(11, 0, 5):
case IP_VERSION(11, 0, 9):
- err = psp_init_sos_microcode(psp, chip_name);
+ err = psp_init_sos_microcode(psp, ucode_prefix);
if (err)
return err;
- err = psp_init_asd_microcode(psp, chip_name);
+ err = psp_init_asd_microcode(psp, ucode_prefix);
if (err)
return err;
err = psp_init_ta_microcode(psp, ucode_prefix);
@@ -162,18 +125,18 @@ static int psp_v11_0_init_microcode(struct psp_context *psp)
case IP_VERSION(11, 0, 11):
case IP_VERSION(11, 0, 12):
case IP_VERSION(11, 0, 13):
- err = psp_init_sos_microcode(psp, chip_name);
+ err = psp_init_sos_microcode(psp, ucode_prefix);
if (err)
return err;
- err = psp_init_ta_microcode(psp, chip_name);
+ err = psp_init_ta_microcode(psp, ucode_prefix);
if (err)
return err;
break;
case IP_VERSION(11, 5, 0):
- err = psp_init_asd_microcode(psp, chip_name);
+ err = psp_init_asd_microcode(psp, ucode_prefix);
if (err)
return err;
- err = psp_init_toc_microcode(psp, chip_name);
+ err = psp_init_toc_microcode(psp, ucode_prefix);
if (err)
return err;
break;
diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v12_0.c b/drivers/gpu/drm/amd/amdgpu/psp_v12_0.c
index 634fa2822d8a..45810e4a7e45 100644
--- a/drivers/gpu/drm/amd/amdgpu/psp_v12_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/psp_v12_0.c
@@ -48,24 +48,13 @@ MODULE_FIRMWARE("amdgpu/green_sardine_ta.bin");
static int psp_v12_0_init_microcode(struct psp_context *psp)
{
struct amdgpu_device *adev = psp->adev;
- const char *chip_name;
char ucode_prefix[30];
int err = 0;
DRM_DEBUG("\n");
- switch (adev->asic_type) {
- case CHIP_RENOIR:
- if (adev->apu_flags & AMD_APU_IS_RENOIR)
- chip_name = "renoir";
- else
- chip_name = "green_sardine";
- break;
- default:
- BUG();
- }
amdgpu_ucode_ip_version_decode(adev, MP0_HWIP, ucode_prefix, sizeof(ucode_prefix));
- err = psp_init_asd_microcode(psp, chip_name);
+ err = psp_init_asd_microcode(psp, ucode_prefix);
if (err)
return err;
return psp_init_ta_microcode(psp, ucode_prefix);
diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v13_0.c b/drivers/gpu/drm/amd/amdgpu/psp_v13_0.c
index e6a26a7e5e5e..d62fcc77af95 100644
--- a/drivers/gpu/drm/amd/amdgpu/psp_v13_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/psp_v13_0.c
@@ -70,32 +70,19 @@ MODULE_FIRMWARE("amdgpu/psp_13_0_11_ta.bin");
static int psp_v13_0_init_microcode(struct psp_context *psp)
{
struct amdgpu_device *adev = psp->adev;
- const char *chip_name;
char ucode_prefix[30];
int err = 0;
- switch (adev->ip_versions[MP0_HWIP][0]) {
- case IP_VERSION(13, 0, 2):
- chip_name = "aldebaran";
- break;
- case IP_VERSION(13, 0, 1):
- case IP_VERSION(13, 0, 3):
- chip_name = "yellow_carp";
- break;
- default:
- amdgpu_ucode_ip_version_decode(adev, MP0_HWIP, ucode_prefix, sizeof(ucode_prefix));
- chip_name = ucode_prefix;
- break;
- }
+ amdgpu_ucode_ip_version_decode(adev, MP0_HWIP, ucode_prefix, sizeof(ucode_prefix));
switch (adev->ip_versions[MP0_HWIP][0]) {
case IP_VERSION(13, 0, 2):
- err = psp_init_sos_microcode(psp, chip_name);
+ err = psp_init_sos_microcode(psp, ucode_prefix);
if (err)
return err;
/* It's not necessary to load ras ta on Guest side */
if (!amdgpu_sriov_vf(adev)) {
- err = psp_init_ta_microcode(&adev->psp, chip_name);
+ err = psp_init_ta_microcode(psp, ucode_prefix);
if (err)
return err;
}
@@ -105,21 +92,21 @@ static int psp_v13_0_init_microcode(struct psp_context *psp)
case IP_VERSION(13, 0, 5):
case IP_VERSION(13, 0, 8):
case IP_VERSION(13, 0, 11):
- err = psp_init_toc_microcode(psp, chip_name);
+ err = psp_init_toc_microcode(psp, ucode_prefix);
if (err)
return err;
- err = psp_init_ta_microcode(psp, chip_name);
+ err = psp_init_ta_microcode(psp, ucode_prefix);
if (err)
return err;
break;
case IP_VERSION(13, 0, 0):
case IP_VERSION(13, 0, 7):
case IP_VERSION(13, 0, 10):
- err = psp_init_sos_microcode(psp, chip_name);
+ err = psp_init_sos_microcode(psp, ucode_prefix);
if (err)
return err;
/* It's not necessary to load ras ta on Guest side */
- err = psp_init_ta_microcode(psp, chip_name);
+ err = psp_init_ta_microcode(psp, ucode_prefix);
if (err)
return err;
break;
diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v13_0_4.c b/drivers/gpu/drm/amd/amdgpu/psp_v13_0_4.c
index 9d4e24e518e8..d5ba58eba3e2 100644
--- a/drivers/gpu/drm/amd/amdgpu/psp_v13_0_4.c
+++ b/drivers/gpu/drm/amd/amdgpu/psp_v13_0_4.c
@@ -35,25 +35,17 @@ MODULE_FIRMWARE("amdgpu/psp_13_0_4_ta.bin");
static int psp_v13_0_4_init_microcode(struct psp_context *psp)
{
struct amdgpu_device *adev = psp->adev;
- const char *chip_name;
char ucode_prefix[30];
int err = 0;
- switch (adev->ip_versions[MP0_HWIP][0]) {
- case IP_VERSION(13, 0, 4):
- amdgpu_ucode_ip_version_decode(adev, MP0_HWIP, ucode_prefix, sizeof(ucode_prefix));
- chip_name = ucode_prefix;
- break;
- default:
- BUG();
- }
+ amdgpu_ucode_ip_version_decode(adev, MP0_HWIP, ucode_prefix, sizeof(ucode_prefix));
switch (adev->ip_versions[MP0_HWIP][0]) {
case IP_VERSION(13, 0, 4):
- err = psp_init_toc_microcode(psp, chip_name);
+ err = psp_init_toc_microcode(psp, ucode_prefix);
if (err)
return err;
- err = psp_init_ta_microcode(psp, chip_name);
+ err = psp_init_ta_microcode(psp, ucode_prefix);
if (err)
return err;
break;
diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c b/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c
index 157147c6c94e..f6b75e3e47ff 100644
--- a/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c
+++ b/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c
@@ -57,26 +57,18 @@ static int psp_v3_1_ring_stop(struct psp_context *psp,
static int psp_v3_1_init_microcode(struct psp_context *psp)
{
struct amdgpu_device *adev = psp->adev;
- const char *chip_name;
+ char ucode_prefix[30];
int err = 0;
DRM_DEBUG("\n");
- switch (adev->asic_type) {
- case CHIP_VEGA10:
- chip_name = "vega10";
- break;
- case CHIP_VEGA12:
- chip_name = "vega12";
- break;
- default: BUG();
- }
+ amdgpu_ucode_ip_version_decode(adev, MP0_HWIP, ucode_prefix, sizeof(ucode_prefix));
- err = psp_init_sos_microcode(psp, chip_name);
+ err = psp_init_sos_microcode(psp, ucode_prefix);
if (err)
return err;
- err = psp_init_asd_microcode(psp, chip_name);
+ err = psp_init_asd_microcode(psp, ucode_prefix);
if (err)
return err;
--
2.34.1
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