diff options
| author |   Oak Zeng <ozeng@amd.com> | 2018-12-04 16:08:33 -0600 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2019-05-24 12:21:01 -0500 |
| commit | c6fd980ab154455df62adc89d81898d24654ab72 (patch) | |
| tree | 8549d52b9c6e071f0545498dad32858442b586fa /drivers/gpu/drm/amd/include | |
| parent | drm/amdkfd: Differentiate b/t sdma_id and sdma_queue_id (diff) | |
| download | linux-dev-c6fd980ab154455df62adc89d81898d24654ab72.tar.xz linux-dev-c6fd980ab154455df62adc89d81898d24654ab72.zip | |
drm/amdkfd: Shift sdma_engine_id and sdma_queue_id in mqd
FW of some new ASICs requires sdma mqd size to be not more than
128 dwords. Repurpose the last 2 reserved fields of sdma mqd for
driver internal use, so the total mqd size is no bigger than 128
dwords
Signed-off-by: Oak Zeng <ozeng@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/include')
| -rw-r--r-- | drivers/gpu/drm/amd/include/cik_structs.h | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/include/v9_structs.h | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/include/vi_structs.h | 3 |
3 files changed, 3 insertions, 6 deletions
diff --git a/drivers/gpu/drm/amd/include/cik_structs.h b/drivers/gpu/drm/amd/include/cik_structs.h index 749eab94e335..699e658c3cec 100644 --- a/drivers/gpu/drm/amd/include/cik_structs.h +++ b/drivers/gpu/drm/amd/include/cik_structs.h @@ -282,8 +282,7 @@ struct cik_sdma_rlc_registers { uint32_t reserved_123; uint32_t reserved_124; uint32_t reserved_125; - uint32_t reserved_126; - uint32_t reserved_127; + /* reserved_126,127: repurposed for driver-internal use */ uint32_t sdma_engine_id; uint32_t sdma_queue_id; }; diff --git a/drivers/gpu/drm/amd/include/v9_structs.h b/drivers/gpu/drm/amd/include/v9_structs.h index ceaf4932258d..8b383dbe1cda 100644 --- a/drivers/gpu/drm/amd/include/v9_structs.h +++ b/drivers/gpu/drm/amd/include/v9_structs.h @@ -151,8 +151,7 @@ struct v9_sdma_mqd { uint32_t reserved_123; uint32_t reserved_124; uint32_t reserved_125; - uint32_t reserved_126; - uint32_t reserved_127; + /* reserved_126,127: repurposed for driver-internal use */ uint32_t sdma_engine_id; uint32_t sdma_queue_id; }; diff --git a/drivers/gpu/drm/amd/include/vi_structs.h b/drivers/gpu/drm/amd/include/vi_structs.h index 717fbae1d362..c17613287cd0 100644 --- a/drivers/gpu/drm/amd/include/vi_structs.h +++ b/drivers/gpu/drm/amd/include/vi_structs.h @@ -151,8 +151,7 @@ struct vi_sdma_mqd { uint32_t reserved_123; uint32_t reserved_124; uint32_t reserved_125; - uint32_t reserved_126; - uint32_t reserved_127; + /* reserved_126,127: repurposed for driver-internal use */ uint32_t sdma_engine_id; uint32_t sdma_queue_id; }; |