drm/amdgpu: Add navi10 kfd support for amdgpu (v3)

KFD (Kernel Fusion Driver) is the compute backend driver
for AMD GPUs.

v2: squash in updates (Alex)
v3: fix warnings (Alex)
Signed-off-by: Oak Zeng <Oak.Zeng@amd.com>
Signed-off-by: Philip Cox <Philip.Cox@amd.com>
Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/Makefile

@@ -159,7 +159,8 @@ amdgpu-y += \
 	 amdgpu_amdkfd_fence.o \
 	 amdgpu_amdkfd_gpuvm.o \
 	 amdgpu_amdkfd_gfx_v8.o \
-	 amdgpu_amdkfd_gfx_v9.o
+	 amdgpu_amdkfd_gfx_v9.o \
+	 amdgpu_amdkfd_gfx_v10.o
 
 ifneq ($(CONFIG_DRM_AMDGPU_CIK),)
 amdgpu-y += amdgpu_amdkfd_gfx_v7.o

drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c

@@ -87,6 +87,9 @@ void amdgpu_amdkfd_device_probe(struct amdgpu_device *adev)
 	case CHIP_RAVEN:
 		kfd2kgd = amdgpu_amdkfd_gfx_9_0_get_functions();
 		break;
+	case CHIP_NAVI10:
+		kfd2kgd = amdgpu_amdkfd_gfx_10_0_get_functions();
+		break;
 	default:
 		dev_info(adev->dev, "kfd not supported on this ASIC\n");
 		return;
@@ -437,9 +440,12 @@ void amdgpu_amdkfd_get_local_mem_info(struct kgd_dev *kgd,
 
 	if (amdgpu_sriov_vf(adev))
 		mem_info->mem_clk_max = adev->clock.default_mclk / 100;
-	else if (adev->powerplay.pp_funcs)
-		mem_info->mem_clk_max = amdgpu_dpm_get_mclk(adev, false) / 100;
-	else
+	else if (adev->powerplay.pp_funcs) {
+		if (amdgpu_emu_mode == 1)
+			mem_info->mem_clk_max = 0;
+		else
+			mem_info->mem_clk_max = amdgpu_dpm_get_mclk(adev, false) / 100;
+	} else
 		mem_info->mem_clk_max = 100;
 }
 
@@ -702,6 +708,11 @@ struct kfd2kgd_calls *amdgpu_amdkfd_gfx_9_0_get_functions(void)
 	return NULL;
 }
 
+struct kfd2kgd_calls *amdgpu_amdkfd_gfx_10_0_get_functions(void)
+{
+	return NULL;
+}
+
 struct kfd_dev *kgd2kfd_probe(struct kgd_dev *kgd, struct pci_dev *pdev,
 			      const struct kfd2kgd_calls *f2g)
 {

drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h

@@ -139,6 +139,7 @@ void amdgpu_amdkfd_set_compute_idle(struct kgd_dev *kgd, bool idle);
 struct kfd2kgd_calls *amdgpu_amdkfd_gfx_7_get_functions(void);
 struct kfd2kgd_calls *amdgpu_amdkfd_gfx_8_0_get_functions(void);
 struct kfd2kgd_calls *amdgpu_amdkfd_gfx_9_0_get_functions(void);
+struct kfd2kgd_calls *amdgpu_amdkfd_gfx_10_0_get_functions(void);
 
 bool amdgpu_amdkfd_is_kfd_vmid(struct amdgpu_device *adev, u32 vmid);