Commit 4426826c authored by Alex Deucher's avatar Alex Deucher

drm/amdgpu/atombios: add function for whether we need asic_init

Check the atom scratch registers to see if asic_init is complete
or not.
Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent d05da0e2
......@@ -1756,6 +1756,16 @@ void amdgpu_atombios_scratch_regs_engine_hung(struct amdgpu_device *adev,
WREG32(adev->bios_scratch_reg_offset + 3, tmp);
}
bool amdgpu_atombios_scratch_need_asic_init(struct amdgpu_device *adev)
{
u32 tmp = RREG32(adev->bios_scratch_reg_offset + 7);
if (tmp & ATOM_S7_ASIC_INIT_COMPLETE_MASK)
return false;
else
return true;
}
/* Atom needs data in little endian format
* so swap as appropriate when copying data to
* or from atom. Note that atom operates on
......
......@@ -200,6 +200,7 @@ void amdgpu_atombios_scratch_regs_save(struct amdgpu_device *adev);
void amdgpu_atombios_scratch_regs_restore(struct amdgpu_device *adev);
void amdgpu_atombios_scratch_regs_engine_hung(struct amdgpu_device *adev,
bool hung);
bool amdgpu_atombios_scratch_need_asic_init(struct amdgpu_device *adev);
void amdgpu_atombios_copy_swap(u8 *dst, u8 *src, u8 num_bytes, bool to_le);
int amdgpu_atombios_get_max_vddc(struct amdgpu_device *adev, u8 voltage_type,
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment