public-mirrors/linux
1
0
Fork 0
mirror of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2025-08-05 16:54:27 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

drm/amdgpu: enable software ih ring for vega20 ih block

Browse source 
software ih ring will be used as a workaround
in case hardware ih ring 1 and ring 2 don't work

Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Feifei Xu <Feifei.Xu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Hawking Zhang 2020-12-21 11:18:14 +08:00 • committed by Alex Deucher
parent a2b6df4fd6
commit f44a6c76f1
1 changed files with 7 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

7
drivers/gpu/drm/amd/amdgpu/vega20_ih.c
View file

@ -342,6 +342,9 @@ static int vega20_ih_irq_init(struct amdgpu_device *adev)
if (ret)
return ret;
if (adev->irq.ih_soft.ring_size)
adev->irq.ih_soft.enabled = true;
return 0;
}
@ -539,6 +542,10 @@ static int vega20_ih_sw_init(void *handle)
/* initialize ih control registers offset */
vega20_ih_init_register_offset(adev);
r = amdgpu_ih_ring_init(adev, &adev->irq.ih_soft, PAGE_SIZE, true);
if (r)
return r;
r = amdgpu_irq_init(adev);
return r;