Re: [PATCH 01/13] drm/amdgpu: Skip SMU init for backdoor loading

[Lazar, Lijo]

On 04-Feb-26 8:36 AM, Pratik Vishwakarma wrote:

Signed-off-by: Pratik Vishwakarma <pratik.vishwaka...@amd.com>
---
  drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c | 5 ++++-
  1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c 
b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
index 9f52b7b24198..fc68dffdea98 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
@@ -1909,7 +1909,10 @@ static int smu_hw_init(struct amdgpu_ip_block *ip_block)
                smu->pm_enabled = false;
                return 0;
        }
-
+       if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) {
+               dev_info(adev->dev, "Do minimal SMU init for backdoor loading 
case\n");
+               return 0;
+       }

This doesn't hold good for all SOCs.

Thanks,
Lijo

        ret = smu_start_smc_engine(smu);
        if (ret) {
                dev_err(adev->dev, "SMC engine is not correctly up!\n");