On 3/31/2023 2:55 AM, Alex Deucher wrote:
On Wed, Mar 29, 2023 at 12:05 PM Shashank Sharma
<shashank.sharma@xxxxxxx> wrote:
From: Arvind Yadav <arvind.yadav@xxxxxxx>
This patch:
- adds some new parameters defined for the gfx usermode queues
use cases in the v11_mqd_struct.
- sets those parametes with the respective allocated gpu context
space addresses.
Cc: Alex Deucher <alexander.deucher@xxxxxxx>
Cc: Christian Koenig <christian.koenig@xxxxxxx>
Cc: Shashank Sharma <shashank.sharma@xxxxxxx>
Signed-off-by: Arvind Yadav <arvind.yadav@xxxxxxx>
---
.../drm/amd/amdgpu/amdgpu_userqueue_gfx_v11.c | 21 ++++++++++++++++++-
drivers/gpu/drm/amd/include/v11_structs.h | 16 +++++++-------
2 files changed, 28 insertions(+), 9 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_userqueue_gfx_v11.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_userqueue_gfx_v11.c
index 52de96727f98..39e90ea32fcb 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_userqueue_gfx_v11.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_userqueue_gfx_v11.c
@@ -22,6 +22,7 @@
*/
#include "amdgpu.h"
#include "amdgpu_userqueue.h"
+#include "v11_structs.h"
#define AMDGPU_USERQ_PROC_CTX_SZ PAGE_SIZE
#define AMDGPU_USERQ_GANG_CTX_SZ PAGE_SIZE
@@ -68,6 +69,22 @@ static void amdgpu_userq_gfx_v11_destroy_ctx_space(struct amdgpu_userq_mgr *uq_m
&ctx->cpu_ptr);
}
+static void
+amdgpu_userq_set_ctx_space(struct amdgpu_userq_mgr *uq_mgr,
+ struct amdgpu_usermode_queue *queue)
+{
+ struct v11_gfx_mqd *mqd = queue->mqd.cpu_ptr;
+
+ mqd->shadow_base_lo = queue->shadow_ctx_gpu_addr & 0xfffffffc;
+ mqd->shadow_base_hi = upper_32_bits(queue->shadow_ctx_gpu_addr);
+
+ mqd->gds_bkup_base_lo = queue->gds_ctx_gpu_addr & 0xfffffffc;
+ mqd->gds_bkup_base_hi = upper_32_bits(queue->gds_ctx_gpu_addr);
+
+ mqd->fw_work_area_base_lo = queue->fw_ctx_gpu_addr & 0xfffffffc;
+ mqd->fw_work_area_base_lo = upper_32_bits(queue->fw_ctx_gpu_addr);
+}
+
static int
amdgpu_userq_gfx_v11_mqd_create(struct amdgpu_userq_mgr *uq_mgr, struct amdgpu_usermode_queue *queue)
{
@@ -104,12 +121,14 @@ amdgpu_userq_gfx_v11_mqd_create(struct amdgpu_userq_mgr *uq_mgr, struct amdgpu_u
queue->userq_prop.use_doorbell = true;
queue->userq_prop.mqd_gpu_addr = mqd->gpu_addr;
r = gfx_v11_mqd->init_mqd(adev, (void *)mqd->cpu_ptr, &queue->userq_prop);
- amdgpu_bo_unreserve(mqd->obj);
if (r) {
+ amdgpu_bo_unreserve(mqd->obj);
DRM_ERROR("Failed to init MQD for queue\n");
goto free_ctx;
}
+ amdgpu_userq_set_ctx_space(uq_mgr, queue);
+ amdgpu_bo_unreserve(mqd->obj);
DRM_DEBUG_DRIVER("MQD for queue %d created\n", queue->queue_id);
return 0;
diff --git a/drivers/gpu/drm/amd/include/v11_structs.h b/drivers/gpu/drm/amd/include/v11_structs.h
index b8ff7456ae0b..f8008270f813 100644
--- a/drivers/gpu/drm/amd/include/v11_structs.h
+++ b/drivers/gpu/drm/amd/include/v11_structs.h
@@ -25,14 +25,14 @@
#define V11_STRUCTS_H_
struct v11_gfx_mqd {
- uint32_t reserved_0; // offset: 0 (0x0)
- uint32_t reserved_1; // offset: 1 (0x1)
- uint32_t reserved_2; // offset: 2 (0x2)
- uint32_t reserved_3; // offset: 3 (0x3)
- uint32_t reserved_4; // offset: 4 (0x4)
- uint32_t reserved_5; // offset: 5 (0x5)
- uint32_t reserved_6; // offset: 6 (0x6)
- uint32_t reserved_7; // offset: 7 (0x7)
+ uint32_t shadow_base_lo; // offset: 0 (0x0)
+ uint32_t shadow_base_hi; // offset: 1 (0x1)
+ uint32_t gds_bkup_base_lo; // offset: 2 (0x2)
+ uint32_t gds_bkup_base_hi; // offset: 3 (0x3)
+ uint32_t fw_work_area_base_lo; // offset: 4 (0x4)
+ uint32_t fw_work_area_base_hi; // offset: 5 (0x5)
+ uint32_t shadow_initialized; // offset: 6 (0x6)
+ uint32_t ib_vmid; // offset: 7 (0x7)
uint32_t reserved_8; // offset: 8 (0x8)
uint32_t reserved_9; // offset: 9 (0x9)
uint32_t reserved_10; // offset: 10 (0xA)
We should split this hunk out as a separate patch and upstream it now.
Sure, we will send this as a separate patch.
~arvind
Alex
--
2.40.0
