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drm/amd/amdgpu: workaround for the imu fw loading

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workaournd for the imu fw loading on gfx 12.0 without psp

Signed-off-by: Kenneth Feng <kenneth.feng@amd.com>
Reviewed-by: Likun Gao <Likun.Gao@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Kenneth Feng 2023-09-06 14:07:58 +08:00 committed by Alex Deucher
parent f5b4c3236f
commit 1e740df77f
1 changed files with 5 additions and 0 deletions
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5
drivers/gpu/drm/amd/amdgpu/imu_v12_0.c
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@ -143,6 +143,11 @@ static void imu_v12_0_setup(struct amdgpu_device *adev)
imu_reg_val = RREG32_SOC15(GC, 0, regGFX_IMU_C2PMSG_16);
imu_reg_val |= 0x1;
WREG32_SOC15(GC, 0, regGFX_IMU_C2PMSG_16, imu_reg_val);
imu_reg_val = RREG32_SOC15(GC, 0, regGFX_IMU_SCRATCH_10);
imu_reg_val |= 0x20010007;
WREG32_SOC15(GC, 0, regGFX_IMU_SCRATCH_10, imu_reg_val);
}
}