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drm/amdgpu: Doorbell assignment for 8 sdma user queue per engine

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Change doorbell assignments to allow routing doorbells for 8 user
mode SDMA queues per engine.

Signed-off-by: Shaoyun Liu <Shaoyun.Liu@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Shaoyun Liu
2018-03-23 16:20:41 -05:00
committed by Alex Deucher
parent b62e01774b
commit c5892230d9
3 changed files with 33 additions and 25 deletions
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6
drivers/gpu/drm/amd/include/kgd_kfd_interface.h
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@@ -146,10 +146,10 @@ struct kgd2kfd_shared_resources {
* is reserved: (D & reserved_doorbell_mask) == reserved_doorbell_val
*
* KFD currently uses 1024 (= 0x3ff) doorbells per process. If
* doorbells 0x0f0-0x0f7 and 0x2f-0x2f7 are reserved, that means
* mask would be set to 0x1f8 and val set to 0x0f0.
* doorbells 0x0e0-0x0ff and 0x2e0-0x2ff are reserved, that means
* mask would be set to 0x1e0 and val set to 0x0e0.
*/
unsigned int sdma_doorbell[2][2];
unsigned int sdma_doorbell[2][8];
unsigned int reserved_doorbell_mask;
unsigned int reserved_doorbell_val;