[PATCH v2 3/4] drm/amdkfd: move to dynamic device_info creation

Graham Sider Graham.Sider at amd.com
Fri Nov 19 19:52:57 UTC 2021


Change unsupported asic condition to only probe f2g, move device_info
initialization post-switch and map to heap.

Signed-off-by: Graham Sider <Graham.Sider at amd.com>
---
 drivers/gpu/drm/amd/amdkfd/kfd_device.c | 183 ++++++++++--------------
 drivers/gpu/drm/amd/amdkfd/kfd_priv.h   |   2 +-
 2 files changed, 79 insertions(+), 106 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device.c b/drivers/gpu/drm/amd/amdkfd/kfd_device.c
index 676cb9c3166c..7ddea653b3d9 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device.c
@@ -574,191 +574,151 @@ static void kfd_device_info_init(struct kfd_dev *kfd,
 
 struct kfd_dev *kgd2kfd_probe(struct amdgpu_device *adev, bool vf)
 {
-	struct kfd_dev *kfd;
-	const struct kfd_device_info *device_info;
-	const struct kfd2kgd_calls *f2g;
+	struct kfd_dev *kfd = NULL;
+	struct kfd_device_info *device_info = NULL;
+	const struct kfd2kgd_calls *f2g = NULL;
 	struct pci_dev *pdev = adev->pdev;
+	uint32_t gfx_target_version = 0;
 
 	switch (adev->asic_type) {
 #ifdef KFD_SUPPORT_IOMMU_V2
 #ifdef CONFIG_DRM_AMDGPU_CIK
 	case CHIP_KAVERI:
-		if (vf)
-			device_info = NULL;
-		else
-			device_info = &kaveri_device_info;
-		f2g = &gfx_v7_kfd2kgd;
+		gfx_target_version = 70000;
+		if (!vf)
+			f2g = &gfx_v7_kfd2kgd;
 		break;
 #endif
 	case CHIP_CARRIZO:
-		if (vf)
-			device_info = NULL;
-		else
-			device_info = &carrizo_device_info;
-		f2g = &gfx_v8_kfd2kgd;
+		gfx_target_version = 80001;
+		if (!vf)
+			f2g = &gfx_v8_kfd2kgd;
 		break;
 #endif
 #ifdef CONFIG_DRM_AMDGPU_CIK
 	case CHIP_HAWAII:
-		if (vf)
-			device_info = NULL;
-		else
-			device_info = &hawaii_device_info;
-		f2g = &gfx_v7_kfd2kgd;
+		gfx_target_version = 70001;
+		if (!vf)
+			f2g = &gfx_v7_kfd2kgd;
 		break;
 #endif
 	case CHIP_TONGA:
-		if (vf)
-			device_info = NULL;
-		else
-			device_info = &tonga_device_info;
-		f2g = &gfx_v8_kfd2kgd;
+		gfx_target_version = 80002;
+		if (!vf)
+			f2g = &gfx_v8_kfd2kgd;
 		break;
 	case CHIP_FIJI:
-		if (vf)
-			device_info = &fiji_vf_device_info;
-		else
-			device_info = &fiji_device_info;
+		gfx_target_version = 80003;
 		f2g = &gfx_v8_kfd2kgd;
 		break;
 	case CHIP_POLARIS10:
-		if (vf)
-			device_info = &polaris10_vf_device_info;
-		else
-			device_info = &polaris10_device_info;
+		gfx_target_version = 80003;
 		f2g = &gfx_v8_kfd2kgd;
 		break;
 	case CHIP_POLARIS11:
-		if (vf)
-			device_info = NULL;
-		else
-			device_info = &polaris11_device_info;
-		f2g = &gfx_v8_kfd2kgd;
+		gfx_target_version = 80003;
+		if (!vf)
+			f2g = &gfx_v8_kfd2kgd;
 		break;
 	case CHIP_POLARIS12:
-		if (vf)
-			device_info = NULL;
-		else
-			device_info = &polaris12_device_info;
-		f2g = &gfx_v8_kfd2kgd;
+		gfx_target_version = 80003;
+		if (!vf)
+			f2g = &gfx_v8_kfd2kgd;
 		break;
 	case CHIP_VEGAM:
-		if (vf)
-			device_info = NULL;
-		else
-			device_info = &vegam_device_info;
-		f2g = &gfx_v8_kfd2kgd;
+		gfx_target_version = 80003;
+		if (!vf)
+			f2g = &gfx_v8_kfd2kgd;
 		break;
 	default:
 		switch (adev->ip_versions[GC_HWIP][0]) {
 		case IP_VERSION(9, 0, 1):
-			if (vf)
-				device_info = &vega10_vf_device_info;
-			else
-				device_info = &vega10_device_info;
+			gfx_target_version = 90000;
 			f2g = &gfx_v9_kfd2kgd;
 			break;
 #ifdef KFD_SUPPORT_IOMMU_V2
 		case IP_VERSION(9, 1, 0):
 		case IP_VERSION(9, 2, 2):
-			if (vf)
-				device_info = NULL;
-			else
-				device_info = &raven_device_info;
-			f2g = &gfx_v9_kfd2kgd;
+			gfx_target_version = 90002;
+			if (!vf)
+				f2g = &gfx_v9_kfd2kgd;
 			break;
 #endif
 		case IP_VERSION(9, 2, 1):
-			if (vf)
-				device_info = NULL;
-			else
-				device_info = &vega12_device_info;
-			f2g = &gfx_v9_kfd2kgd;
+			gfx_target_version = 90004;
+			if (!vf)
+				f2g = &gfx_v9_kfd2kgd;
 			break;
 		case IP_VERSION(9, 3, 0):
-			if (vf)
-				device_info = NULL;
-			else
-				device_info = &renoir_device_info;
-			f2g = &gfx_v9_kfd2kgd;
+			gfx_target_version = 90012;
+			if (!vf)
+				f2g = &gfx_v9_kfd2kgd;
 			break;
 		case IP_VERSION(9, 4, 0):
-			if (vf)
-				device_info = NULL;
-			else
-				device_info = &vega20_device_info;
-			f2g = &gfx_v9_kfd2kgd;
+			gfx_target_version = 90006;
+			if (!vf)
+				f2g = &gfx_v9_kfd2kgd;
 			break;
 		case IP_VERSION(9, 4, 1):
-			device_info = &arcturus_device_info;
+			gfx_target_version = 90008;
 			f2g = &arcturus_kfd2kgd;
 			break;
 		case IP_VERSION(9, 4, 2):
-			device_info = &aldebaran_device_info;
+			gfx_target_version = 90010;
 			f2g = &aldebaran_kfd2kgd;
 			break;
 		case IP_VERSION(10, 1, 10):
-			if (vf)
-				device_info = NULL;
-			else
-				device_info = &navi10_device_info;
-			f2g = &gfx_v10_kfd2kgd;
+			gfx_target_version = 100100;
+			if (!vf)
+				f2g = &gfx_v10_kfd2kgd;
 			break;
 		case IP_VERSION(10, 1, 2):
-			device_info = &navi12_device_info;
+			gfx_target_version = 100101;
 			f2g = &gfx_v10_kfd2kgd;
 			break;
 		case IP_VERSION(10, 1, 1):
-			if (vf)
-				device_info = NULL;
-			else
-				device_info = &navi14_device_info;
-			f2g = &gfx_v10_kfd2kgd;
+			gfx_target_version = 100102;
+			if (!vf)
+				f2g = &gfx_v10_kfd2kgd;
 			break;
 		case IP_VERSION(10, 1, 3):
-			if (vf)
-				device_info = NULL;
-			else
-				device_info = &cyan_skillfish_device_info;
-			f2g = &gfx_v10_kfd2kgd;
+			gfx_target_version = 100103;
+			if (!vf)
+				f2g = &gfx_v10_kfd2kgd;
 			break;
 		case IP_VERSION(10, 3, 0):
-			device_info = &sienna_cichlid_device_info;
+			gfx_target_version = 100300;
 			f2g = &gfx_v10_3_kfd2kgd;
 			break;
 		case IP_VERSION(10, 3, 2):
-			device_info = &navy_flounder_device_info;
+			gfx_target_version = 100301;
 			f2g = &gfx_v10_3_kfd2kgd;
 			break;
 		case IP_VERSION(10, 3, 1):
-			if (vf)
-				device_info = NULL;
-			else
-				device_info = &vangogh_device_info;
-			f2g = &gfx_v10_3_kfd2kgd;
+			gfx_target_version = 100303;
+			if (!vf)
+				f2g = &gfx_v10_3_kfd2kgd;
 			break;
 		case IP_VERSION(10, 3, 4):
-			device_info = &dimgrey_cavefish_device_info;
+			gfx_target_version = 100302;
 			f2g = &gfx_v10_3_kfd2kgd;
 			break;
 		case IP_VERSION(10, 3, 5):
-			device_info = &beige_goby_device_info;
+			gfx_target_version = 100304;
 			f2g = &gfx_v10_3_kfd2kgd;
 			break;
 		case IP_VERSION(10, 3, 3):
-			if (vf)
-				device_info = NULL;
-			else
-				device_info = &yellow_carp_device_info;
-			f2g = &gfx_v10_3_kfd2kgd;
+			gfx_target_version = 100305;
+			if (!vf)
+				f2g = &gfx_v10_3_kfd2kgd;
 			break;
 		default:
-			return NULL;
+			break;
 		}
 		break;
 	}
 
-	if (!device_info || !f2g) {
+	if (!f2g) {
 		if (adev->ip_versions[GC_HWIP][0])
 			dev_err(kfd_device, "GC IP %06x %s not supported in kfd\n",
 				adev->ip_versions[GC_HWIP][0], vf ? "VF" : "");
@@ -773,7 +733,14 @@ struct kfd_dev *kgd2kfd_probe(struct amdgpu_device *adev, bool vf)
 		return NULL;
 
 	kfd->adev = adev;
+
+	device_info = kzalloc(sizeof(*device_info), GFP_KERNEL);
+	if (!device_info)
+		return NULL;
+
+	kfd_device_info_init(kfd, device_info, vf, gfx_target_version);
 	kfd->device_info = device_info;
+
 	kfd->pdev = pdev;
 	kfd->init_complete = false;
 	kfd->kfd2kgd = f2g;
@@ -1039,7 +1006,13 @@ void kgd2kfd_device_exit(struct kfd_dev *kfd)
 			amdgpu_amdkfd_free_gws(kfd->adev, kfd->gws);
 	}
 
-	kfree(kfd);
+	if (kfd->device_info)
+		kfree(kfd->device_info);
+	kfd->device_info = NULL;
+
+	if (kfd)
+		kfree(kfd);
+	kfd = NULL;
 }
 
 int kgd2kfd_pre_reset(struct kfd_dev *kfd)
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
index 3e11febee7c6..1f11e8271f2e 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
@@ -232,7 +232,7 @@ struct kfd_vmid_info {
 struct kfd_dev {
 	struct amdgpu_device *adev;
 
-	const struct kfd_device_info *device_info;
+	struct kfd_device_info *device_info;
 	struct pci_dev *pdev;
 	struct drm_device *ddev;
 
-- 
2.25.1



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