On 2017-10-30 02:00 PM, Christian König wrote: > Am 30.10.2017 um 18:41 schrieb Harry Wentland: >> VM support is only available for CZ and newer APUs. Trying to >> enable it for dGPU will blow up in DC. >> >> Signed-off-by: Harry Wentland <[email protected]> >> Suggested-by: Alex Deucher <[email protected]> >> CC: Christian Koenig <[email protected]> > > Ok, with me. But I think it would be cleaner if the backend can just handle > this gracefully even when it is not supported by the hardware. >
Yes, I think we're all agreed on this. I just thought I'd send out something because it looked like it might be urgent. This is kind-of unplanned work for me and not on top of my list with everything else that's happening right now. Harry > Christian. > >> --- >> drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 4 ++++ >> 1 file changed, 4 insertions(+) >> >> diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c >> b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c >> index 26f6d5e4c08c..332761f643f6 100644 >> --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c >> +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c >> @@ -427,6 +427,10 @@ static int amdgpu_dm_init(struct amdgpu_device *adev) >> amdgpu_dm_initialize_fbc(adev); >> init_data.fbc_gpu_addr = adev->dm.compressor.gpu_addr; >> #endif >> + >> + if (adev->flags & AMD_IS_APU && adev->asic_type >= CHIP_CARRIZO) >> + init_data.flags.gpu_vm_support = true; >> + >> /* Display Core create. */ >> adev->dm.dc = dc_create(&init_data); >> > > _______________________________________________ amd-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/amd-gfx
