drm/amdgpu: set sdma irq src num according to sdma instances

Otherwise, it will cause driver access non-existing sdma registers
in gpu reset code path

Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Le Ma <Le.Ma@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Hawking Zhang 2019-07-19 19:09:38 +08:00 • committed by Alex Deucher
commit d52d6de280