drm/amdgpu/mes11: allocate hw_resource_1 buffer once
authorAlex Deucher <alexander.deucher@amd.com>
Fri, 14 Feb 2025 15:11:17 +0000 (10:11 -0500)
committerAlex Deucher <alexander.deucher@amd.com>
Mon, 17 Feb 2025 19:09:29 +0000 (14:09 -0500)
Allocate the buffer at sw init time so we don't alloc
and free it for every suspend/resume or reset cycle.

Reviewed-by: Shaoyun.liu <shaouyun.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/amdgpu/mes_v11_0.c

index 2549ea65e1b92364f6b08e7889f3d38defe5c826..747b05d9b3cfaf1e13eb7512ec2eae70bdeab41f 100644 (file)
@@ -64,6 +64,7 @@ static int mes_v11_0_kiq_hw_fini(struct amdgpu_device *adev);
 
 #define MES_EOP_SIZE   2048
 #define GFX_MES_DRAM_SIZE      0x80000
+#define MES11_HW_RESOURCE_1_SIZE (128 * AMDGPU_GPU_PAGE_SIZE)
 
 static void mes_v11_0_ring_set_wptr(struct amdgpu_ring *ring)
 {
@@ -732,11 +733,6 @@ static int mes_v11_0_set_hw_resources(struct amdgpu_mes *mes)
 
 static int mes_v11_0_set_hw_resources_1(struct amdgpu_mes *mes)
 {
-       unsigned int hw_rsrc_size = 128 * AMDGPU_GPU_PAGE_SIZE;
-       /* add a page for the cleaner shader fence */
-       unsigned int alloc_size = hw_rsrc_size + AMDGPU_GPU_PAGE_SIZE;
-       int ret = 0;
-       struct amdgpu_device *adev = mes->adev;
        union MESAPI_SET_HW_RESOURCES_1 mes_set_hw_res_pkt;
        memset(&mes_set_hw_res_pkt, 0, sizeof(mes_set_hw_res_pkt));
 
@@ -744,21 +740,10 @@ static int mes_v11_0_set_hw_resources_1(struct amdgpu_mes *mes)
        mes_set_hw_res_pkt.header.opcode = MES_SCH_API_SET_HW_RSRC_1;
        mes_set_hw_res_pkt.header.dwsize = API_FRAME_SIZE_IN_DWORDS;
        mes_set_hw_res_pkt.enable_mes_info_ctx = 1;
-
-       ret = amdgpu_bo_create_kernel(adev, alloc_size, PAGE_SIZE,
-                               AMDGPU_GEM_DOMAIN_VRAM,
-                               &mes->resource_1,
-                               &mes->resource_1_gpu_addr,
-                               &mes->resource_1_addr);
-       if (ret) {
-               dev_err(adev->dev, "(%d) failed to create mes resource_1 bo\n", ret);
-               return ret;
-       }
-
        mes_set_hw_res_pkt.mes_info_ctx_mc_addr = mes->resource_1_gpu_addr;
-       mes_set_hw_res_pkt.mes_info_ctx_size = hw_rsrc_size;
+       mes_set_hw_res_pkt.mes_info_ctx_size = MES11_HW_RESOURCE_1_SIZE;
        mes_set_hw_res_pkt.cleaner_shader_fence_mc_addr =
-               mes->resource_1_gpu_addr + hw_rsrc_size;
+               mes->resource_1_gpu_addr + MES11_HW_RESOURCE_1_SIZE;
 
        return mes_v11_0_submit_pkt_and_poll_completion(mes,
                        &mes_set_hw_res_pkt, sizeof(mes_set_hw_res_pkt),
@@ -1431,6 +1416,21 @@ static int mes_v11_0_sw_init(struct amdgpu_ip_block *ip_block)
        if (r)
                return r;
 
+       if (amdgpu_sriov_is_mes_info_enable(adev) ||
+           adev->gfx.enable_cleaner_shader) {
+               r = amdgpu_bo_create_kernel(adev,
+                                           MES11_HW_RESOURCE_1_SIZE + AMDGPU_GPU_PAGE_SIZE,
+                                           PAGE_SIZE,
+                                           AMDGPU_GEM_DOMAIN_VRAM,
+                                           &adev->mes.resource_1,
+                                           &adev->mes.resource_1_gpu_addr,
+                                           &adev->mes.resource_1_addr);
+               if (r) {
+                       dev_err(adev->dev, "(%d) failed to create mes resource_1 bo\n", r);
+                       return r;
+               }
+       }
+
        return 0;
 }
 
@@ -1439,6 +1439,12 @@ static int mes_v11_0_sw_fini(struct amdgpu_ip_block *ip_block)
        struct amdgpu_device *adev = ip_block->adev;
        int pipe;
 
+       if (amdgpu_sriov_is_mes_info_enable(adev) ||
+           adev->gfx.enable_cleaner_shader) {
+               amdgpu_bo_free_kernel(&adev->mes.resource_1, &adev->mes.resource_1_gpu_addr,
+                                     &adev->mes.resource_1_addr);
+       }
+
        for (pipe = 0; pipe < AMDGPU_MAX_MES_PIPES; pipe++) {
                kfree(adev->mes.mqd_backup[pipe]);
 
@@ -1659,14 +1665,6 @@ failure:
 
 static int mes_v11_0_hw_fini(struct amdgpu_ip_block *ip_block)
 {
-       struct amdgpu_device *adev = ip_block->adev;
-
-       if (amdgpu_sriov_is_mes_info_enable(adev) ||
-           adev->gfx.enable_cleaner_shader) {
-               amdgpu_bo_free_kernel(&adev->mes.resource_1, &adev->mes.resource_1_gpu_addr,
-                                     &adev->mes.resource_1_addr);
-       }
-
        return 0;
 }