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authorJonathan Gray <jsg@cvs.openbsd.org>2024-04-11 03:27:40 +0000
committerJonathan Gray <jsg@cvs.openbsd.org>2024-04-11 03:27:40 +0000
commitc7a8c589dfd777e04e2a31a911ed5ab65406c080 (patch)
tree5e4440a75e5dbbbbd868b3001cfbd57febec4a64 /sys
parent730872c08fdfd890da6c8f739d7f64c0b10c8512 (diff)
drm/amd: Add concept of running prepare_suspend() sequence for IP blocks
From Mario Limonciello da67a1139f054fc59c9c18f135729bc16aef93d4 in linux-6.6.y/6.6.26 cb11ca3233aa3303dc11dca25977d2e7f24be00f in mainline linux
Diffstat (limited to 'sys')
-rw-r--r--sys/dev/pci/drm/amd/amdgpu/amdgpu_device.c12
-rw-r--r--sys/dev/pci/drm/amd/include/amd_shared.h1
2 files changed, 12 insertions, 1 deletions
diff --git a/sys/dev/pci/drm/amd/amdgpu/amdgpu_device.c b/sys/dev/pci/drm/amd/amdgpu/amdgpu_device.c
index 3029753b497..1363d4c3668 100644
--- a/sys/dev/pci/drm/amd/amdgpu/amdgpu_device.c
+++ b/sys/dev/pci/drm/amd/amdgpu/amdgpu_device.c
@@ -4218,7 +4218,7 @@ static int amdgpu_device_evict_resources(struct amdgpu_device *adev)
int amdgpu_device_prepare(struct drm_device *dev)
{
struct amdgpu_device *adev = drm_to_adev(dev);
- int r;
+ int i, r;
if (dev->switch_power_state == DRM_SWITCH_POWER_OFF)
return 0;
@@ -4228,6 +4228,16 @@ int amdgpu_device_prepare(struct drm_device *dev)
if (r)
return r;
+ for (i = 0; i < adev->num_ip_blocks; i++) {
+ if (!adev->ip_blocks[i].status.valid)
+ continue;
+ if (!adev->ip_blocks[i].version->funcs->prepare_suspend)
+ continue;
+ r = adev->ip_blocks[i].version->funcs->prepare_suspend((void *)adev);
+ if (r)
+ return r;
+ }
+
return 0;
}
diff --git a/sys/dev/pci/drm/amd/include/amd_shared.h b/sys/dev/pci/drm/amd/include/amd_shared.h
index abe829bbd54..a9880fc5319 100644
--- a/sys/dev/pci/drm/amd/include/amd_shared.h
+++ b/sys/dev/pci/drm/amd/include/amd_shared.h
@@ -295,6 +295,7 @@ struct amd_ip_funcs {
int (*hw_init)(void *handle);
int (*hw_fini)(void *handle);
void (*late_fini)(void *handle);
+ int (*prepare_suspend)(void *handle);
int (*suspend)(void *handle);
int (*resume)(void *handle);
bool (*is_idle)(void *handle);