[PATCH v8 2/9] drm/amdgpu: Add mqd support for the fence address

[Arunpravin Paneer Selvam]

- Add a field in struct v11_gfx_mqd for userqueue
  fence address.

- Assign fence gpu VA address to the userqueue mqd
  fence address fields.

v2: Remove the mask and replace with lower_32_bits (Christian)

Signed-off-by: Arunpravin Paneer Selvam <Arunpravin.PaneerSelvam at amd.com>
Reviewed-by: Christian König <christian.koenig at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c    | 11 +++++++++++
 drivers/gpu/drm/amd/include/v11_structs.h |  4 ++--
 2 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
index bb9450e0a613..4bdcf46a21a7 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
@@ -50,6 +50,7 @@
 #include "nbio_v4_3.h"
 #include "mes_v11_0.h"
 #include "amdgpu_userqueue.h"
+#include "amdgpu_userq_fence.h"
 
 #define GFX11_NUM_GFX_RINGS		1
 #define GFX11_MEC_HPD_SIZE	2048
@@ -6545,6 +6546,14 @@ static int gfx_v11_0_userq_create_ctx_space(struct amdgpu_userq_mgr *uq_mgr,
 	return 0;
 }
 
+static void gfx_v11_0_userq_set_fence_space(struct amdgpu_usermode_queue *queue)
+{
+	struct v11_gfx_mqd *mqd = queue->mqd.cpu_ptr;
+	
+	mqd->fenceaddress_lo = lower_32_bits(queue->fence_drv->gpu_addr);
+	mqd->fenceaddress_hi = upper_32_bits(queue->fence_drv->gpu_addr);
+}
+
 static int gfx_v11_0_userq_mqd_create(struct amdgpu_userq_mgr *uq_mgr,
 				      struct drm_amdgpu_userq_in *args_in,
 				      struct amdgpu_usermode_queue *queue)
@@ -6601,6 +6610,8 @@ static int gfx_v11_0_userq_mqd_create(struct amdgpu_userq_mgr *uq_mgr,
 		goto free_mqd;
 	}
 
+	gfx_v11_0_userq_set_fence_space(queue);
+
 	/* FW expects WPTR BOs to be mapped into GART */
 	r = gfx_v11_0_create_wptr_mapping(uq_mgr, queue, userq_props.wptr_gpu_addr);
 	if (r) {
diff --git a/drivers/gpu/drm/amd/include/v11_structs.h b/drivers/gpu/drm/amd/include/v11_structs.h
index f8008270f813..797ce6a1e56e 100644
--- a/drivers/gpu/drm/amd/include/v11_structs.h
+++ b/drivers/gpu/drm/amd/include/v11_structs.h
@@ -535,8 +535,8 @@ struct v11_gfx_mqd {
 	uint32_t reserved_507; // offset: 507  (0x1FB)
 	uint32_t reserved_508; // offset: 508  (0x1FC)
 	uint32_t reserved_509; // offset: 509  (0x1FD)
-	uint32_t reserved_510; // offset: 510  (0x1FE)
-	uint32_t reserved_511; // offset: 511  (0x1FF)
+	uint32_t fenceaddress_lo; // offset: 510  (0x1FE)
+	uint32_t fenceaddress_hi; // offset: 511  (0x1FF)
 };
 
 struct v11_sdma_mqd {
-- 
2.25.1