diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu.h | 27 |
1 files changed, 18 insertions, 9 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index c571f6835848..ec5d4ae0223e 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -706,15 +706,24 @@ typedef enum _AMDGPU_DOORBELL64_ASSIGNMENT AMDGPU_DOORBELL64_IH_RING1 = 0xF5, /* For page migration request log */ AMDGPU_DOORBELL64_IH_RING2 = 0xF6, /* For page migration translation/invalidation log */ - /* VCN engine */ - AMDGPU_DOORBELL64_VCN0 = 0xF8, - AMDGPU_DOORBELL64_VCN1 = 0xF9, - AMDGPU_DOORBELL64_VCN2 = 0xFA, - AMDGPU_DOORBELL64_VCN3 = 0xFB, - AMDGPU_DOORBELL64_VCN4 = 0xFC, - AMDGPU_DOORBELL64_VCN5 = 0xFD, - AMDGPU_DOORBELL64_VCN6 = 0xFE, - AMDGPU_DOORBELL64_VCN7 = 0xFF, + /* VCN engine use 32 bits doorbell */ + AMDGPU_DOORBELL64_VCN0_1 = 0xF8, /* lower 32 bits for VNC0 and upper 32 bits for VNC1 */ + AMDGPU_DOORBELL64_VCN2_3 = 0xF9, + AMDGPU_DOORBELL64_VCN4_5 = 0xFA, + AMDGPU_DOORBELL64_VCN6_7 = 0xFB, + + /* overlap the doorbell assignment with VCN as they are mutually exclusive + * VCE engine's doorbell is 32 bit and two VCE ring share one QWORD + */ + AMDGPU_DOORBELL64_RING0_1 = 0xF8, + AMDGPU_DOORBELL64_RING2_3 = 0xF9, + AMDGPU_DOORBELL64_RING4_5 = 0xFA, + AMDGPU_DOORBELL64_RING6_7 = 0xFB, + + AMDGPU_DOORBELL64_UVD_RING0_1 = 0xFC, + AMDGPU_DOORBELL64_UVD_RING2_3 = 0xFD, + AMDGPU_DOORBELL64_UVD_RING4_5 = 0xFE, + AMDGPU_DOORBELL64_UVD_RING6_7 = 0xFF, AMDGPU_DOORBELL64_MAX_ASSIGNMENT = 0xFF, AMDGPU_DOORBELL64_INVALID = 0xFFFF |