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authorDave Airlie <[email protected]>2025-06-02 01:56:00 +0000
committerDave Airlie <[email protected]>2025-06-02 01:56:06 +0000
commit1c1df79ccf5615a007cb11ff30e997e58a9fa79a (patch)
tree9e330e52425e2c6752c59d59712f7f1e9ed83bf0 /drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
parentMerge tag 'drm-xe-next-fixes-2025-05-28' of https://gitlab.freedesktop.org/dr... (diff)
parentdrm/amdkfd: Map wptr BO to GART unconditionally (diff)
downloadkernel-1c1df79ccf5615a007cb11ff30e997e58a9fa79a.tar.gz
kernel-1c1df79ccf5615a007cb11ff30e997e58a9fa79a.zip
Merge tag 'amd-drm-fixes-6.16-2025-05-29' of https://gitlab.freedesktop.org/agd5f/linux into drm-next
amd-drm-fixes-6.16-2025-05-29: amdgpu: - UserQ fixes - SMU 13.x fixes - VCN fixes - JPEG fixes - Misc cleanups - runtime pm fix - DCN 4.0.1 fixes - Misc display fixes - ISP fix - VRAM manager fix - RAS fixes amdkfd: - SVM fix - Misc cleanups - Ref leak fix - WPTR BO fix radeon: - Misc cleanups Signed-off-by: Dave Airlie <[email protected]> From: Alex Deucher <[email protected]> Link: https://lore.kernel.org/r/[email protected]
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
index f51ef4cf16e0..d9ad37711c3e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
@@ -294,6 +294,23 @@ static const struct amdgpu_pcs_ras_field xgmi3x16_pcs_ras_fields[] = {
SOC15_REG_FIELD(PCS_XGMI3X16_PCS_ERROR_STATUS, RxCMDPktErr)},
};
+int amdgpu_xgmi_get_ext_link(struct amdgpu_device *adev, int link_num)
+{
+ int link_map_6_4_x[8] = { 0, 3, 1, 2, 7, 6, 4, 5 };
+
+ switch (amdgpu_ip_version(adev, XGMI_HWIP, 0)) {
+ case IP_VERSION(6, 4, 0):
+ case IP_VERSION(6, 4, 1):
+ if (link_num < ARRAY_SIZE(link_map_6_4_x))
+ return link_map_6_4_x[link_num];
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return -EINVAL;
+}
+
static u32 xgmi_v6_4_get_link_status(struct amdgpu_device *adev, int global_link_num)
{
const u32 smn_xgmi_6_4_pcs_state_hist1[2] = { 0x11a00070, 0x11b00070 };