[Public]

Reviewed-by: Harish Kasiviswanathan <[email protected]>


-----Original Message-----
From: amd-gfx <[email protected]> On Behalf Of Sreekant 
Somasekharan
Sent: Thursday, November 28, 2024 5:20 PM
To: [email protected]
Cc: Somasekharan, Sreekant <[email protected]>
Subject: [PATCH v2] drm/amdkfd: add MEC version that supports no PCIe atomics 
for GFX12

Add MEC version from which alternate support for no PCIe atomics
is provided so that device is not skipped during KFD device init in
GFX1200/GFX1201.

Signed-off-by: Sreekant Somasekharan <[email protected]>
---
 drivers/gpu/drm/amd/amdkfd/kfd_device.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device.c 
b/drivers/gpu/drm/amd/amdkfd/kfd_device.c
index 956198da7859..9b51dd75fefc 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device.c
@@ -235,6 +235,9 @@ static void kfd_device_info_init(struct kfd_dev *kfd,
                         */
                        kfd->device_info.needs_pci_atomics = true;
                        kfd->device_info.no_atomic_fw_version = 
kfd->adev->gfx.rs64_enable ? 509 : 0;
+               } else if (gc_version < IP_VERSION(13, 0, 0)) {
+                       kfd->device_info.needs_pci_atomics = true;
+                       kfd->device_info.no_atomic_fw_version = 2090;
                } else {
                        kfd->device_info.needs_pci_atomics = true;
                }
--
2.34.1

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