On 2022-07-19 14:26, Roman.Li@xxxxxxx wrote: > From: Roman Li <roman.li@xxxxxxx> > > [Why] > DCN 3.1.4 uses dmub not dmcu. Attempt to identify > dmcu firmware for dcn314 results in dm init error: > "Unsupported ASIC type" > > [How] > Add dcn314 to the list of asics that don't require dmcu > > Signed-off-by: Roman Li <roman.li@xxxxxxx> Reviewed-by: Harry Wentland <harry.wentland@xxxxxxx> Might be easier going forward if we simply return 0 in the outside case statement instead of explicitly calling out IPs that don't support DMCU. The default (any new ASIC) won't support DMCU. Harry > --- > drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 1 + > 1 file changed, 1 insertion(+) > > 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 dae998e014b0..9fff5aa86567 100644 > --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c > +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c > @@ -1893,6 +1893,7 @@ static int load_dmcu_fw(struct amdgpu_device *adev) > case IP_VERSION(3, 0, 1): > case IP_VERSION(3, 1, 2): > case IP_VERSION(3, 1, 3): > + case IP_VERSION(3, 1, 4): > case IP_VERSION(3, 1, 5): > case IP_VERSION(3, 1, 6): > case IP_VERSION(3, 2, 0):
