From: Jack Xiao <Jack.Xiao@xxxxxxx>
eop buffer will be used for mes queue setup.
Signed-off-by: Jack Xiao <Jack.Xiao@xxxxxxx>
Acked-by: Alex Deucher <alexander.deucher@xxxxxxx>
Reviewed-by: Hawking Zhang <Hawking.Zhang@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/mes_v10_1.c | 33 ++++++++++++++++++++++++++
1 file changed, 33 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/mes_v10_1.c b/drivers/gpu/drm/amd/amdgpu/mes_v10_1.c
index 29fab7984855..7970107be532 100644
--- a/drivers/gpu/drm/amd/amdgpu/mes_v10_1.c
+++ b/drivers/gpu/drm/amd/amdgpu/mes_v10_1.c
@@ -31,6 +31,8 @@
MODULE_FIRMWARE("amdgpu/navi10_mes.bin");
+#define MES_EOP_SIZE 2048
+
static int mes_v10_1_add_hw_queue(struct amdgpu_mes *mes,
struct mes_add_queue_input *input)
{
@@ -283,6 +285,29 @@ static int mes_v10_1_load_microcode(struct amdgpu_device *adev)
return 0;
}
+static int mes_v10_1_allocate_eop_buf(struct amdgpu_device *adev)
+{
+ int r;
+ u32 *eop;
+
+ r = amdgpu_bo_create_reserved(adev, MES_EOP_SIZE, PAGE_SIZE,
+ AMDGPU_GEM_DOMAIN_GTT,
+ &adev->mes.eop_gpu_obj,
+ &adev->mes.eop_gpu_addr,
+ (void **)&eop);
+ if (r) {
+ dev_warn(adev->dev, "(%d) create EOP bo failed\n", r);
+ return r;
+ }
+
+ memset(eop, 0, adev->mes.eop_gpu_obj->tbo.mem.size);
+
+ amdgpu_bo_kunmap(adev->mes.eop_gpu_obj);
+ amdgpu_bo_unreserve(adev->mes.eop_gpu_obj);
+
+ return 0;
+}
+
static int mes_v10_1_sw_init(void *handle)
{
int r;
@@ -292,6 +317,10 @@ static int mes_v10_1_sw_init(void *handle)
if (r)
return r;
+ r = mes_v10_1_allocate_eop_buf(adev);
+ if (r)
+ return r;
+
return 0;
}
@@ -299,6 +328,10 @@ static int mes_v10_1_sw_fini(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+ amdgpu_bo_free_kernel(&adev->mes.eop_gpu_obj,
+ &adev->mes.eop_gpu_addr,
+ NULL);
+
mes_v10_1_free_microcode(adev);
return 0;
--
2.25.4
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