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drm/amdgpu: enable SDMA usermode queues

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This patch does necessary modifications to enable the SDMA
usermode queues using the existing userqueue infrastructure.

V9:  introduced this patch in the series
V10: use header file instead of extern (Alex)
V11: rename drm_amdgpu_userq_mqd_sdma_gfx_v11 to
     drm_amdgpu_userq_mqd_sdma_gfx11 (Marek)

Cc: Christian König <Christian.Koenig@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Shashank Sharma <shashank.sharma@amd.com>
Signed-off-by: Arvind Yadav <arvind.yadav@amd.com>
Signed-off-by: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Arvind Yadav
2025-04-08 16:48:15 -04:00
committed by Alex Deucher
parent a1d201e169
commit 543b614537
4 changed files with 32 additions and 1 deletions
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include/uapi/drm/amdgpu_drm.h
+10
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@@ -428,6 +428,16 @@ struct drm_amdgpu_userq_mqd_gfx11 {
__u64 csa_va;
};
/* GFX V11 SDMA IP specific MQD parameters */
struct drm_amdgpu_userq_mqd_sdma_gfx11 {
/**
* @csa_va: Virtual address of the GPU memory to hold the CSA buffer.
* This must be a from a separate GPU object, and use AMDGPU_INFO IOCTL
* to get the size.
*/
__u64 csa_va;
};
/* vm ioctl */
#define AMDGPU_VM_OP_RESERVE_VMID 1
#define AMDGPU_VM_OP_UNRESERVE_VMID 2