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authorShaoyun Liu <Shaoyun.Liu@amd.com>2018-03-24 00:20:41 +0300
committerAlex Deucher <alexander.deucher@amd.com>2018-09-27 05:09:16 +0300
commitc5892230d98b043b3948aec7ce60e636d19c8e50 (patch)
treeb3824ff44ea77d759204e4dd1d67b7e6c809870b /drivers/gpu/drm/amd/include
parentb62e01774bd2eb23a80e420da44a95344ac85e8d (diff)
downloadlinux-c5892230d98b043b3948aec7ce60e636d19c8e50.tar.xz
drm/amdgpu: Doorbell assignment for 8 sdma user queue per engine
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>
Diffstat (limited to 'drivers/gpu/drm/amd/include')
-rw-r--r--drivers/gpu/drm/amd/include/kgd_kfd_interface.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/include/kgd_kfd_interface.h b/drivers/gpu/drm/amd/include/kgd_kfd_interface.h
index f43ed96cfa6c..bb1dbe3331ba 100644
--- a/drivers/gpu/drm/amd/include/kgd_kfd_interface.h
+++ b/drivers/gpu/drm/amd/include/kgd_kfd_interface.h
@@ -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;