aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorLijo Lazar <[email protected]>2022-09-23 15:20:08 +0530
committerAlex Deucher <[email protected]>2023-06-09 09:49:45 -0400
commitdfdd6f89c4c7f3315d9cabd9bf80a8174ecb5753 (patch)
tree18b12e1287db9710d09890917e8f673443daf94d
parent8e7fd19380f9187dae3ad18a61793b1752dfa097 (diff)
drm/amdgpu: Add GFXHUB v1.2 XCP funcs
Add functions required for suspend/resume of GFXHUB instances which are part of an XCP. Signed-off-by: Lijo Lazar <[email protected]> Reviewed-by: Hawking Zhang <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
-rw-r--r--drivers/gpu/drm/amd/amdgpu/gfxhub_v1_2.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_2.c b/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_2.c
index b9316bfb7263..8ba59ffe0e9f 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_2.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_2.c
@@ -21,6 +21,7 @@
*
*/
#include "amdgpu.h"
+#include "amdgpu_xcp.h"
#include "gfxhub_v1_2.h"
#include "gfxhub_v1_1.h"
@@ -638,3 +639,37 @@ const struct amdgpu_gfxhub_funcs gfxhub_v1_2_funcs = {
.init = gfxhub_v1_2_init,
.get_xgmi_info = gfxhub_v1_2_get_xgmi_info,
};
+
+static int gfxhub_v1_2_xcp_resume(void *handle, uint32_t inst_mask)
+{
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+ bool value;
+ int ret;
+
+ if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_ALWAYS)
+ value = false;
+ else
+ value = true;
+
+ gfxhub_v1_2_xcc_set_fault_enable_default(adev, value, inst_mask);
+
+ if (!amdgpu_sriov_vf(adev))
+ ret = gfxhub_v1_2_xcc_gart_enable(adev, inst_mask);
+
+ return ret;
+}
+
+static int gfxhub_v1_2_xcp_suspend(void *handle, uint32_t inst_mask)
+{
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+ if (!amdgpu_sriov_vf(adev))
+ gfxhub_v1_2_xcc_gart_disable(adev, inst_mask);
+
+ return 0;
+}
+
+struct amdgpu_xcp_ip_funcs gfxhub_v1_2_xcp_funcs = {
+ .suspend = &gfxhub_v1_2_xcp_suspend,
+ .resume = &gfxhub_v1_2_xcp_resume
+};