From: Feifei Xu <[email protected]> If reading mmDRIVER_SCRATCH_2 returns non-zero, discovery.reserve_tmr is set to true and driver need reserve tmr for firmware.
Signed-off-by: Feifei Xu <[email protected]> Suggested-by: Hawking Zhang <[email protected]> Reviewed-by: Hawking Zhang <[email protected]> Signed-off-by: Alex Deucher <[email protected]> --- drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c index 5d94453e85c6e..6cc390da10f95 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c @@ -357,6 +357,7 @@ static int amdgpu_discovery_get_tmr_info(struct amdgpu_device *adev, tmr_offset_hi = RREG32(mmDRIVER_SCRATCH_1); adev->discovery.offset = ((u64)le32_to_cpu(tmr_offset_hi) << 32 | le32_to_cpu(tmr_offset_lo)); + adev->discovery.reserve_tmr = true; } else if (!vram_size) { /* fall back to apci approach to query tmr offset if vram_size is 0 */ ret = amdgpu_acpi_get_tmr_info(adev, &tmr_offset, &tmr_size); -- 2.55.0
