On 01/05/2024 22:41, Alex Deucher wrote:
On Fri, Apr 26, 2024 at 10:27 AM Shashank Sharma
<shashank.sharma@xxxxxxx> wrote:
This patch does necessary modifications to enable the SDMA
usermode queues using the existing userqueue infrastructure.
V9: introduced this patch in the series
Cc: Christian König <Christian.Koenig@xxxxxxx>
Cc: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Shashank Sharma <shashank.sharma@xxxxxxx>
Signed-off-by: Arvind Yadav <arvind.yadav@xxxxxxx>
Signed-off-by: Srinivasan Shanmugam <srinivasan.shanmugam@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_userqueue.c | 2 +-
drivers/gpu/drm/amd/amdgpu/mes_v11_0_userqueue.c | 4 ++++
drivers/gpu/drm/amd/amdgpu/sdma_v6_0.c | 3 +++
3 files changed, 8 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_userqueue.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_userqueue.c
index 781283753804..e516487e8db9 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_userqueue.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_userqueue.c
@@ -189,7 +189,7 @@ amdgpu_userqueue_create(struct drm_file *filp, union drm_amdgpu_userq *args)
int qid, r = 0;
/* Usermode queues are only supported for GFX/SDMA engines as of now */
- if (args->in.ip_type != AMDGPU_HW_IP_GFX) {
+ if (args->in.ip_type != AMDGPU_HW_IP_GFX && args->in.ip_type != AMDGPU_HW_IP_DMA) {
DRM_ERROR("Usermode queue doesn't support IP type %u\n", args->in.ip_type);
return -EINVAL;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/mes_v11_0_userqueue.c b/drivers/gpu/drm/amd/amdgpu/mes_v11_0_userqueue.c
index a6c3037d2d1f..a5e270eda37b 100644
--- a/drivers/gpu/drm/amd/amdgpu/mes_v11_0_userqueue.c
+++ b/drivers/gpu/drm/amd/amdgpu/mes_v11_0_userqueue.c
@@ -182,6 +182,10 @@ static int mes_v11_0_userq_create_ctx_space(struct amdgpu_userq_mgr *uq_mgr,
return r;
}
+ /* We don't need to set other FW objects for SDMA queues */
+ if (queue->queue_type == AMDGPU_HW_IP_DMA)
+ return 0;
+
/* Shadow and GDS objects come directly from userspace */
mqd->shadow_base_lo = mqd_user->shadow_va & 0xFFFFFFFC;
mqd->shadow_base_hi = upper_32_bits(mqd_user->shadow_va);
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v6_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v6_0.c
index 361835a61f2e..90354a70c807 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v6_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v6_0.c
@@ -1225,6 +1225,8 @@ static int sdma_v6_0_early_init(void *handle)
return 0;
}
+extern const struct amdgpu_userq_funcs userq_mes_v11_0_funcs;
Can you include the header rather than adding an extern?
Noted,
+
static int sdma_v6_0_sw_init(void *handle)
{
struct amdgpu_ring *ring;
@@ -1265,6 +1267,7 @@ static int sdma_v6_0_sw_init(void *handle)
return -EINVAL;
}
+ adev->userq_funcs[AMDGPU_HW_IP_DMA] = &userq_mes_v11_0_funcs;
return r;
}
I think we need a new mqd descriptor in amdgpu_drm.h as well since the
sdma metadata is different from gfx and compute.
Can you please elaborate on this ? AFAIK SDMA queue doesn't need any
specific metadata objects (like GFX).
- Shashank
Alex
--
2.43.2
