[PATCH v4 26/27] drm/amd: Load SMU microcode during early_init

From: Mario Limonciello
Date: Tue Jan 03 2023 - 17:22:24 EST


This will ensure that the microcode is available before the firmware
framebuffer has been destroyed.

Signed-off-by: Mario Limonciello <mario.limonciello@xxxxxxx>
---
v3->v4:
* new patch
---
drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c | 12 +++++-------
1 file changed, 5 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
index 2fa79f892a92..ec52830dde24 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
@@ -623,6 +623,7 @@ static int smu_early_init(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
struct smu_context *smu;
+ int r;

smu = kzalloc(sizeof(struct smu_context), GFP_KERNEL);
if (!smu)
@@ -640,7 +641,10 @@ static int smu_early_init(void *handle)
adev->powerplay.pp_handle = smu;
adev->powerplay.pp_funcs = &swsmu_pm_funcs;

- return smu_set_funcs(adev);
+ r = smu_set_funcs(adev);
+ if (r)
+ return r;
+ return smu_init_microcode(smu);
}

static int smu_set_default_dpm_table(struct smu_context *smu)
@@ -1067,12 +1071,6 @@ 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;
- }
-
ret = smu_smc_table_sw_init(smu);
if (ret) {
dev_err(adev->dev, "Failed to sw init smc table!\n");
--
2.34.1