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authorAmber Lin <Amber.Lin@amd.com>2026-03-19 17:50:52 -0400
committerAlex Deucher <alexander.deucher@amd.com>2026-04-28 14:42:36 -0400
commitef94439908c9ccb4d856c99a102fd2a0b1ea1662 (patch)
tree1a75e2856f758d623b245b246b55462b15bfca58 /drivers/gpu/drm
parenta73c5ece2b989f0c14b2311d113ea6d28cb1f01e (diff)
downloadlinux-next-ef94439908c9ccb4d856c99a102fd2a0b1ea1662.tar.gz
linux-next-ef94439908c9ccb4d856c99a102fd2a0b1ea1662.zip
drm/amdgpu: Missing multi-XCC support in MES
In a multi-XCC GPU, pass the master XCC's ID to amdgpu_mes_suspend, amdgpu_mes_resume, and detect_and_reset_hung_queues so the command will be sent to the matching master MES when the compute partition mode is not SPX. Signed-off-by: Amber Lin <Amber.Lin@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c7
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h9
-rw-r--r--drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c2
-rw-r--r--drivers/gpu/drm/amd/amdgpu/mes_userqueue.c2
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c4
5 files changed, 14 insertions, 10 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
index bdf2561b5404..c845bd39ddbf 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
@@ -301,7 +301,7 @@ void amdgpu_mes_fini(struct amdgpu_device *adev)
mutex_destroy(&adev->mes.mutex_hidden);
}
-int amdgpu_mes_suspend(struct amdgpu_device *adev)
+int amdgpu_mes_suspend(struct amdgpu_device *adev, u32 xcc_id)
{
struct mes_suspend_gang_input input;
int r;
@@ -311,6 +311,7 @@ int amdgpu_mes_suspend(struct amdgpu_device *adev)
memset(&input, 0x0, sizeof(struct mes_suspend_gang_input));
input.suspend_all_gangs = 1;
+ input.xcc_id = xcc_id;
/*
* Avoid taking any other locks under MES lock to avoid circular
@@ -325,7 +326,7 @@ int amdgpu_mes_suspend(struct amdgpu_device *adev)
return r;
}
-int amdgpu_mes_resume(struct amdgpu_device *adev)
+int amdgpu_mes_resume(struct amdgpu_device *adev, u32 xcc_id)
{
struct mes_resume_gang_input input;
int r;
@@ -335,6 +336,7 @@ int amdgpu_mes_resume(struct amdgpu_device *adev)
memset(&input, 0x0, sizeof(struct mes_resume_gang_input));
input.resume_all_gangs = 1;
+ input.xcc_id = xcc_id;
/*
* Avoid taking any other locks under MES lock to avoid circular
@@ -463,6 +465,7 @@ int amdgpu_mes_detect_and_reset_hung_queues(struct amdgpu_device *adev,
adev->mes.hung_queue_db_array_size * sizeof(u32));
input.queue_type = queue_type;
input.detect_only = detect_only;
+ input.xcc_id = xcc_id;
r = adev->mes.funcs->detect_and_reset_hung_queues(&adev->mes,
&input);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h
index cafc5caae822..282941c0b519 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h
@@ -325,8 +325,9 @@ struct mes_reset_queue_input {
};
struct mes_detect_and_reset_queue_input {
- uint32_t queue_type;
- bool detect_only;
+ u32 queue_type;
+ bool detect_only;
+ u32 xcc_id;
};
struct mes_inv_tlbs_pasid_input {
@@ -442,8 +443,8 @@ int amdgpu_mes_init_microcode(struct amdgpu_device *adev, int pipe);
int amdgpu_mes_init(struct amdgpu_device *adev);
void amdgpu_mes_fini(struct amdgpu_device *adev);
-int amdgpu_mes_suspend(struct amdgpu_device *adev);
-int amdgpu_mes_resume(struct amdgpu_device *adev);
+int amdgpu_mes_suspend(struct amdgpu_device *adev, u32 xcc_id);
+int amdgpu_mes_resume(struct amdgpu_device *adev, u32 xcc_id);
int amdgpu_mes_map_legacy_queue(struct amdgpu_device *adev,
struct amdgpu_ring *ring, uint32_t xcc_id);
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
index 1ffbb5450f3a..2c6f1e25ca14 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
@@ -5224,7 +5224,7 @@ static int gfx_v11_0_post_soft_reset(struct amdgpu_ip_block *ip_block)
/**
* GFX soft reset will impact MES, need resume MES when do GFX soft reset
*/
- return amdgpu_mes_resume(adev);
+ return amdgpu_mes_resume(adev, 0);
}
static uint64_t gfx_v11_0_get_gpu_clock_counter(struct amdgpu_device *adev)
diff --git a/drivers/gpu/drm/amd/amdgpu/mes_userqueue.c b/drivers/gpu/drm/amd/amdgpu/mes_userqueue.c
index 2fc39a6938f6..a171fc9c8974 100644
--- a/drivers/gpu/drm/amd/amdgpu/mes_userqueue.c
+++ b/drivers/gpu/drm/amd/amdgpu/mes_userqueue.c
@@ -266,7 +266,7 @@ static int mes_userq_detect_and_reset(struct amdgpu_device *adev,
if (found_hung_queue) {
/* Resume scheduling after hang recovery */
- r = amdgpu_mes_resume(adev);
+ r = amdgpu_mes_resume(adev, input.xcc_id);
}
return r;
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
index ab3b2e7be9bd..8404440b8cb6 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
@@ -367,7 +367,7 @@ static int suspend_all_queues_mes(struct device_queue_manager *dqm)
if (!down_read_trylock(&adev->reset_domain->sem))
return -EIO;
- r = amdgpu_mes_suspend(adev);
+ r = amdgpu_mes_suspend(adev, ffs(dqm->dev->xcc_mask) - 1);
up_read(&adev->reset_domain->sem);
if (r) {
@@ -387,7 +387,7 @@ static int resume_all_queues_mes(struct device_queue_manager *dqm)
if (!down_read_trylock(&adev->reset_domain->sem))
return -EIO;
- r = amdgpu_mes_resume(adev);
+ r = amdgpu_mes_resume(adev, ffs(dqm->dev->xcc_mask) - 1);
up_read(&adev->reset_domain->sem);
if (r) {