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authorThomas Zimmermann <[email protected]>2025-06-11 07:01:34 +0000
committerThomas Zimmermann <[email protected]>2025-06-11 07:01:34 +0000
commitc598d5eb9fb331ba17bc9ad67ae9a2231ca5aca5 (patch)
treea5b6f4655cde4f19b6b157aa455723c0329bd719 /drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
parentdrm/panel: ilitek-ili9881c: Add configuration for 7" Raspberry Pi 720x1280 (diff)
parentLinux 6.16-rc1 (diff)
downloadkernel-c598d5eb9fb331ba17bc9ad67ae9a2231ca5aca5.tar.gz
kernel-c598d5eb9fb331ba17bc9ad67ae9a2231ca5aca5.zip
Merge drm/drm-next into drm-misc-next
Backmerging to forward to v6.16-rc1 Signed-off-by: Thomas Zimmermann <[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 };