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(parent: 06a5b6e) | patch
drm/amdgpu: fix bug with IH ring setup
authorPhilip Yang <Philip.Yang@amd.com>
Mon, 12 Nov 2018 19:00:45 +0000 (14:00 -0500)
committerAlex Deucher <alexander.deucher@amd.com>
Tue, 13 Nov 2018 14:38:28 +0000 (09:38 -0500)
commit00cc00560f613fa54325652bfa43c394d33ddaa3
treea8158991208027288232b1d9a2bad4a95ec8a181tree | snapshot
parent06a5b6e77801ee2170aa86d6dda08ae77397af05commit | diff
drm/amdgpu: fix bug with IH ring setup

The bug limits the IH ring wptr address to 40bit. When the system memory
is bigger than 1TB, the bus address is more than 40bit, this causes the
interrupt cannot be handled and cleared correctly.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Philip Yang <Philip.Yang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/amdgpu/vega10_ih.c diff | blob | history
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