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(parent: 04cdac5) | patch
drm/amdgpu: ih doorbell size of range changed for nbio v7.4
authorAlex Sierra <alex.sierra@amd.com>
Wed, 18 Mar 2020 23:26:19 +0000 (18:26 -0500)
committerAlex Deucher <alexander.deucher@amd.com>
Wed, 1 Apr 2020 18:44:44 +0000 (14:44 -0400)
commitb635ae8744e181dcd3a1d7861be09dbc1b56b44f
tree7dea13cf66fc6cf99104305b1eabe6656ce550fdtree | snapshot
parent04cdac5c17f0336ee53e14a2d839a1b75ed45ebfcommit | diff
drm/amdgpu: ih doorbell size of range changed for nbio v7.4

[Why]
nbio v7.4 size of ih doorbell range is 64 bit. This requires 2 DWords per register.

[How]
Change ih doorbell size from 2 to 4. This means two Dwords per ring.
Current configuration uses two ih rings.

Signed-off-by: Alex Sierra <alex.sierra@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c diff | blob | history
Domain: System / Kernel;