[PATCH] drm/amdkfd: correct sdma queue number in kfd device init

Guchun Chen guchun.chen at amd.com
Fri Dec 17 14:31:06 UTC 2021


sdma queue number is not correct like on vega20, this patch
promises the setting keeps the same after code refactor.
Additionally, improve code to use switch case to list IP
version to complete kfd device_info structure filling.
This keeps consistency with the IP parse code in amdgpu_discovery.c.

Fixes: a9e2c4dc6cc4("drm/amdkfd: add kfd_device_info_init function")
Signed-off-by: Guchun Chen <guchun.chen at amd.com>
---
 drivers/gpu/drm/amd/amdkfd/kfd_device.c | 74 ++++++++++++++++++++++---
 1 file changed, 65 insertions(+), 9 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device.c b/drivers/gpu/drm/amd/amdkfd/kfd_device.c
index facc28f58c1f..e50bf992f298 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device.c
@@ -59,11 +59,72 @@ static void kfd_gtt_sa_fini(struct kfd_dev *kfd);
 
 static int kfd_resume(struct kfd_dev *kfd);
 
+static void kfd_device_info_set_sdma_queue_num(struct kfd_dev *kfd)
+{
+	uint32_t sdma_version = kfd->adev->ip_versions[SDMA0_HWIP][0];
+
+	switch (sdma_version) {
+		case IP_VERSION(4, 0, 0):/* VEGA10 */
+		case IP_VERSION(4, 0, 1):/* VEGA12 */
+		case IP_VERSION(4, 1, 0):/* RAVEN */
+		case IP_VERSION(4, 1, 1):/* RAVEN */
+		case IP_VERSION(4, 1, 2):/* RENIOR */
+		case IP_VERSION(5, 2, 1):/* VANGOGH */
+		case IP_VERSION(5, 2, 3):/* YELLOW_CARP */
+			kfd->device_info.num_sdma_queues_per_engine = 2;
+			break;
+		case IP_VERSION(4, 2, 0):/* VEGA20 */
+		case IP_VERSION(4, 2, 2):/* ARCTUTUS */
+		case IP_VERSION(4, 4, 0):/* ALDEBARAN */
+		case IP_VERSION(5, 0, 0):/* NAVI10 */
+		case IP_VERSION(5, 0, 1):/* CYAN_SKILLFISH */
+		case IP_VERSION(5, 0, 2):/* NAVI14 */
+		case IP_VERSION(5, 0, 5):/* NAVI12 */
+		case IP_VERSION(5, 2, 0):/* SIENNA_CICHLID */
+		case IP_VERSION(5, 2, 2):/* NAVY_FLOUDER */
+		case IP_VERSION(5, 2, 4):/* DIMGREY_CAVEFISH */
+			kfd->device_info.num_sdma_queues_per_engine = 8;
+			break;
+		default:
+			dev_err(kfd_device,
+				"Failed to find sdma ip blocks(SDMA_HWIP:0x%x) in %s\n",
+                                sdma_version, __func__);
+	}
+}
+
+static void kfd_device_info_set_event_interrupt_class(struct kfd_dev *kfd)
+{
+	uint32_t gc_version = KFD_GC_VERSION(kfd);
+
+	switch (gc_version) {
+	case IP_VERSION(9, 0, 1): /* VEGA10 */
+	case IP_VERSION(9, 2, 1): /* VEGA12 */
+	case IP_VERSION(9, 3, 0): /* RENOIR */
+	case IP_VERSION(9, 4, 0): /* VEGA20 */
+	case IP_VERSION(9, 4, 1): /* ARCTURUS */
+	case IP_VERSION(9, 4, 2): /* ALDEBARAN */
+	case IP_VERSION(10, 3, 1): /* VANGOGH */
+	case IP_VERSION(10, 3, 3): /* YELLOW_CARP */
+	case IP_VERSION(10, 1, 3): /* CYAN_SKILLFISH */
+	case IP_VERSION(10, 1, 10): /* NAVI10 */
+	case IP_VERSION(10, 1, 2): /* NAVI12 */
+	case IP_VERSION(10, 1, 1): /* NAVI14 */
+	case IP_VERSION(10, 3, 0): /* SIENNA_CICHLID */
+	case IP_VERSION(10, 3, 2): /* NAVY_FLOUNDER */
+	case IP_VERSION(10, 3, 4): /* DIMGREY_CAVEFISH */
+	case IP_VERSION(10, 3, 5): /* BEIGE_GOBY */
+		kfd->device_info.event_interrupt_class = &event_interrupt_class_v9;
+		break;
+	default:
+		dev_err(kfd_device, "Failed to find gc ip blocks(GC_HWIP:0x%x) in %s\n",
+				gc_version, __func__);
+	}
+}
+
 static void kfd_device_info_init(struct kfd_dev *kfd,
 				 bool vf, uint32_t gfx_target_version)
 {
 	uint32_t gc_version = KFD_GC_VERSION(kfd);
-	uint32_t sdma_version = kfd->adev->ip_versions[SDMA0_HWIP][0];
 	uint32_t asic_type = kfd->adev->asic_type;
 
 	kfd->device_info.max_pasid_bits = 16;
@@ -75,16 +136,11 @@ static void kfd_device_info_init(struct kfd_dev *kfd,
 	if (KFD_IS_SOC15(kfd)) {
 		kfd->device_info.doorbell_size = 8;
 		kfd->device_info.ih_ring_entry_size = 8 * sizeof(uint32_t);
-		kfd->device_info.event_interrupt_class = &event_interrupt_class_v9;
 		kfd->device_info.supports_cwsr = true;
 
-		if ((sdma_version >= IP_VERSION(4, 0, 0)  &&
-		     sdma_version <= IP_VERSION(4, 2, 0)) ||
-		     sdma_version == IP_VERSION(5, 2, 1)  ||
-		     sdma_version == IP_VERSION(5, 2, 3))
-			kfd->device_info.num_sdma_queues_per_engine = 2;
-		else
-			kfd->device_info.num_sdma_queues_per_engine = 8;
+		kfd_device_info_set_sdma_queue_num(kfd);
+
+		kfd_device_info_set_event_interrupt_class(kfd);
 
 		/* Raven */
 		if (gc_version == IP_VERSION(9, 1, 0) ||
-- 
2.17.1



More information about the amd-gfx mailing list