drm/amdgpu: Fix interrupt handling on ih_soft ring

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[ Upstream commit de8341ee3c ]

There are no backing hardware registers for ih_soft ring.
As a result, don't try to access hardware registers for read
and write pointers when processing interrupts on the IH soft
ring.

Signed-off-by: Mukul Joshi <mukul.joshi@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

...

This commit is contained in:

Mukul Joshi 2022-08-12 15:23:51 -04:00 • committed by Greg Kroah-Hartman

parent 09186eeffd

commit 933020e6d0

3 changed files with 18 additions and 3 deletions

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7

drivers/gpu/drm/amd/amdgpu/navi10_ih.c

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7

drivers/gpu/drm/amd/amdgpu/vega10_ih.c

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7

drivers/gpu/drm/amd/amdgpu/vega20_ih.c

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