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[AMD Public Use]
Hi Hawking,
We may need other features in PSP in the future, e.g. load cap fw. So we can’t skip the whole psp_init_microcode.
Best Regards,
JingWen Chen
From: Deng, Emily <Emily.Deng@xxxxxxx>
Sent: Tuesday, September 22, 2020 6:22 PM
To: Wang, Kevin(Yang) <Kevin1.Wang@xxxxxxx>; Zhang, Hawking <Hawking.Zhang@xxxxxxx>; Chen, JingWen <JingWen.Chen2@xxxxxxx>; amd-gfx@xxxxxxxxxxxxxxxxxxxxx
Subject: RE: [PATCH 2/2] drm/amd: Skip not used microcode loading in SRIOV
[AMD Public Use]
Hi Kevin and Hawking,
I think both you are right. But currently we haven’t good method to handle this. It seems need to re-arch the whole driver, not only refer to this patch. Only refer to this patch, I think it is OK.
Best wishes
Emily Deng
[AMD Public Use]
[AMD Public Use]
Embedding these SRIOV check into the underlying functions is in many places, which is not conducive to subsequent code optimization and maintenance.
It took a long time to clean up the SMU code before, but now some new checks have been introduced into the SMU code.
I think a new method should be adopted to solve this problem unless there's a special reason.
[AMD Public Use]
1. Please do not add the amdgpu_sriov_vf check in every psp fw init_microcode function. psp_init_microcode is the entry point for all kinds of psp fw microcode initialization.
2. I'd like to get a whole picture on all the sequence you want to skip from guest side so that we can have more organized/reasonable approach to exclude those programing sequence for SRIOV, instead of having the amdgpu_sriov_vf patched case by case...
Regards,
Hawking
-----Original Message-----
From: amd-gfx <amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of Jingwen Chen
Sent: Tuesday, September 22, 2020 15:09
To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx
Cc: Chen, JingWen <JingWen.Chen2@xxxxxxx>
Subject: [PATCH 2/2] drm/amd: Skip not used microcode loading in SRIOV
smc, sdma, sos, ta and asd fw is not used in SRIOV. Skip them to accelerate sw_init for navi12.
v2: skip above fw in SRIOV for vega10 and sienna_cichlid
Signed-off-by: Jingwen Chen <Jingwen.Chen2@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 9 +++++++++
drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c | 3 +++
drivers/gpu/drm/amd/amdgpu/sdma_v5_0.c | 3 +++
drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c | 3 +++
.../gpu/drm/amd/pm/powerplay/smumgr/vega10_smumgr.c | 12 +++++++-----
drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c | 11 +++++++----
6 files changed, 32 insertions(+), 9 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
index 2c66e20b2ed9..9e2038de6ea7 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
@@ -2385,6 +2385,9 @@ int psp_init_asd_microcode(struct psp_context *psp,
const struct psp_firmware_header_v1_0 *asd_hdr;
int err = 0;
+ if (amdgpu_sriov_vf(adev))
+ return 0;
+
if (!chip_name) {
dev_err(adev->dev, "invalid chip name for asd microcode\n");
return -EINVAL;
@@ -2424,6 +2427,9 @@ int psp_init_sos_microcode(struct psp_context *psp,
const struct psp_firmware_header_v1_3 *sos_hdr_v1_3;
int err = 0;
+ if (amdgpu_sriov_vf(adev))
+ return 0;
+
if (!chip_name) {
dev_err(adev->dev, "invalid chip name for sos microcode\n");
return -EINVAL;
@@ -2558,6 +2564,9 @@ int psp_init_ta_microcode(struct psp_context *psp,
int err = 0;
int ta_index = 0;
+ if (amdgpu_sriov_vf(adev))
+ return 0;
+
if (!chip_name) {
dev_err(adev->dev, "invalid chip name for ta microcode\n");
return -EINVAL;
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
index 810635cbf4c1..86fb1eddf5a6 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
@@ -592,6 +592,9 @@ static int sdma_v4_0_init_microcode(struct amdgpu_device *adev)
struct amdgpu_firmware_info *info = NULL;
const struct common_firmware_header *header = NULL;
+ if (amdgpu_sriov_vf(adev))
+ return 0;
+
DRM_DEBUG("\n");
switch (adev->asic_type) {
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v5_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v5_0.c
index 48c95a78a173..9c72b95b7463 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v5_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v5_0.c
@@ -203,6 +203,9 @@ static int sdma_v5_0_init_microcode(struct amdgpu_device *adev)
const struct common_firmware_header *header = NULL;
const struct sdma_firmware_header_v1_0 *hdr;
+ if (amdgpu_sriov_vf(adev))
+ return 0;
+
DRM_DEBUG("\n");
switch (adev->asic_type) {
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c b/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c
index 34ccf376ee45..9f3952723c63 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c
@@ -148,6 +148,9 @@ static int sdma_v5_2_init_microcode(struct amdgpu_device *adev)
struct amdgpu_firmware_info *info = NULL;
const struct common_firmware_header *header = NULL;
+ if (amdgpu_sriov_vf(adev))
+ return 0;
+
DRM_DEBUG("\n");
switch (adev->asic_type) {
diff --git a/drivers/gpu/drm/amd/pm/powerplay/smumgr/vega10_smumgr.c b/drivers/gpu/drm/amd/pm/powerplay/smumgr/vega10_smumgr.c
index 1e222c5d91a4..daf122f24f23 100644
--- a/drivers/gpu/drm/amd/pm/powerplay/smumgr/vega10_smumgr.c
+++ b/drivers/gpu/drm/amd/pm/powerplay/smumgr/vega10_smumgr.c
@@ -209,11 +209,13 @@ static int vega10_smu_init(struct pp_hwmgr *hwmgr)
int ret;
struct cgs_firmware_info info = {0};
- ret = cgs_get_firmware_info(hwmgr->device,
- CGS_UCODE_ID_SMU,
- &info);
- if (ret || !info.kptr)
- return -EINVAL;
+ if (!amdgpu_sriov_vf((struct amdgpu_device *)hwmgr->adev)) {
+ ret = cgs_get_firmware_info(hwmgr->device,
+ CGS_UCODE_ID_SMU,
+ &info);
+ if (ret || !info.kptr)
+ return -EINVAL;
+ }
priv = kzalloc(sizeof(struct vega10_smumgr), GFP_KERNEL);
diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
index 538e6f5e19eb..3010cb31324a 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
@@ -832,10 +832,13 @@ static int smu_sw_init(void *handle)
smu->smu_dpm.dpm_level = AMD_DPM_FORCED_LEVEL_AUTO;
smu->smu_dpm.requested_dpm_level = AMD_DPM_FORCED_LEVEL_AUTO;
- ret = smu_init_microcode(smu);
- if (ret) {
- dev_err(adev->dev, "Failed to load smu firmware!\n");
- return ret;
+
+ if (!amdgpu_sriov_vf(adev)) {
+ ret = smu_init_microcode(smu);
+ if (ret) {
+ dev_err(adev->dev, "Failed to load smu firmware!\n");
+ return ret;
+ }
}
ret = smu_smc_table_sw_init(smu);
--
2.25.1
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