[PATCH v2 1/5] drm/amdgpu: reverts commit b01245ff54db66073b104ac9d9fbefb7b264b36d.
Ma, Le
Le.Ma at amd.com
Tue Dec 17 08:46:51 UTC 2019
[AMD Official Use Only - Internal Distribution Only]
Hi Andry
Please check the 3 minor comments in this patch. With that addressed, the V2s series is Reviewed-by: Le Ma <Le.Ma at amd.com<mailto:Le.Ma at amd.com>>
Regards,
Ma Le
-----Original Message-----
From: Andrey Grodzovsky <andrey.grodzovsky at amd.com>
Sent: Saturday, December 14, 2019 12:54 AM
To: dri-devel at lists.freedesktop.org; amd-gfx at lists.freedesktop.org
Cc: Deucher, Alexander <Alexander.Deucher at amd.com>; Ma, Le <Le.Ma at amd.com>; Zhang, Hawking <Hawking.Zhang at amd.com>; Quan, Evan <Evan.Quan at amd.com>; Grodzovsky, Andrey <Andrey.Grodzovsky at amd.com>
Subject: [PATCH v2 1/5] drm/amdgpu: reverts commit b01245ff54db66073b104ac9d9fbefb7b264b36d.
In preparation for doing XGMI reset synchronization using task barrier.
Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky at amd.com<mailto:andrey.grodzovsky at amd.com>>
Reviewed-by: Le Ma <Le.Ma at amd.com<mailto:Le.Ma at amd.com>>
---
drivers/gpu/drm/amd/amdgpu/amdgpu.h | 2 -
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 76 +++++-------------------------
2 files changed, 12 insertions(+), 66 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index a78a363..50bab33 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -1001,8 +1001,6 @@ struct amdgpu_device {
bool pm_sysfs_en;
bool ucode_sysfs_en;
-
- bool in_baco;
};
static inline struct amdgpu_device *amdgpu_ttm_adev(struct ttm_bo_device *bdev) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 7324a5f..1d19edfa 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -2667,7 +2667,7 @@ static void amdgpu_device_xgmi_reset_func(struct work_struct *__work)
if (amdgpu_asic_reset_method(adev) == AMD_RESET_METHOD_BACO)
adev->asic_reset_res = (adev->in_baco == false) ?
amdgpu_device_baco_enter(adev->ddev) :
- amdgpu_device_baco_exit(adev->ddev);
+ qamdgpu_device_baco_exit(adev->ddev);
[Le] 1/3: Still unnecessary typo here, although it will be removed in patch #4.
else
adev->asic_reset_res = amdgpu_asic_reset(adev);
@@ -3796,18 +3796,13 @@ static int amdgpu_device_pre_asic_reset(struct amdgpu_device *adev,
return r;
}
-static int amdgpu_do_asic_reset(struct amdgpu_device *adev,
- struct amdgpu_hive_info *hive,
+static int amdgpu_do_asic_reset(struct amdgpu_hive_info *hive,
struct list_head *device_list_handle,
bool *need_full_reset_arg)
{
struct amdgpu_device *tmp_adev = NULL;
bool need_full_reset = *need_full_reset_arg, vram_lost = false;
int r = 0;
- int cpu = smp_processor_id();
- bool use_baco =
- (amdgpu_asic_reset_method(adev) == AMD_RESET_METHOD_BACO) ?
- true : false;
/*
* ASIC reset has to be done on all HGMI hive nodes ASAP @@ -3815,62 +3810,22 @@ static int amdgpu_do_asic_reset(struct amdgpu_device *adev,
*/
if (need_full_reset) {
list_for_each_entry(tmp_adev, device_list_handle, gmc.xgmi.head) {
- /*
- * For XGMI run all resets in parallel to speed up the
- * process by scheduling the highpri wq on different
- * cpus. For XGMI with baco reset, all nodes must enter
- * baco within close proximity before anyone exit.
- */
+ /* For XGMI run all resets in parallel to speed up the process */
if (tmp_adev->gmc.xgmi.num_physical_nodes > 1) {
- if (!queue_work_on(cpu, system_highpri_wq,
- &tmp_adev->xgmi_reset_work))
+ if (!queue_work(system_highpri_wq, &tmp_adev->xgmi_reset_work))
r = -EALREADY;
- cpu = cpumask_next(cpu, cpu_online_mask);
} else
r = amdgpu_asic_reset(tmp_adev);
- if (r)
- break;
- }
-
- /* For XGMI wait for all work to complete before proceed */
- if (!r) {
- list_for_each_entry(tmp_adev, device_list_handle,
- gmc.xgmi.head) {
- if (tmp_adev->gmc.xgmi.num_physical_nodes > 1) {
- flush_work(&tmp_adev->xgmi_reset_work);
- r = tmp_adev->asic_reset_res;
- if (r)
- break;
- if (use_baco)
- tmp_adev->in_baco = true;
- }
- }
- }
- /*
- * For XGMI with baco reset, need exit baco phase by scheduling
- * xgmi_reset_work one more time. PSP reset and sGPU skips this
- * phase. Not assume the situation that PSP reset and baco reset
- * coexist within an XGMI hive.
- */
-
- if (!r && use_baco) {
- cpu = smp_processor_id();
- list_for_each_entry(tmp_adev, device_list_handle,
- gmc.xgmi.head) {
- if (tmp_adev->gmc.xgmi.num_physical_nodes > 1) {
- if (!queue_work_on(cpu,
- system_highpri_wq,
- &tmp_adev->xgmi_reset_work))
- r = -EALREADY;
- if (r)
- break;
- cpu = cpumask_next(cpu, cpu_online_mask);
- }
+ if (r) {
+ DRM_ERROR("ASIC reset failed with error, %d for drm dev, %s",
+ r, tmp_adev->ddev->unique);
+ break;
}
}
- if (!r && use_baco) {
+ /* For XGMI wait for all PSP resets to complete before proceed */
[Le] 2/3: We can drop PSP string in this comment.
+ if (!r) {
list_for_each_entry(tmp_adev, device_list_handle,
gmc.xgmi.head) {
if (tmp_adev->gmc.xgmi.num_physical_nodes > 1) { @@ -3878,21 +3833,15 @@ static int amdgpu_do_asic_reset(struct amdgpu_device *adev,
r = tmp_adev->asic_reset_res;
if (r)
break;
- tmp_adev->in_baco = false;
}
}
}
-
- if (r) {
- DRM_ERROR("ASIC reset failed with error, %d for drm dev, %s",
- r, tmp_adev->ddev->unique);
- goto end;
- }
}
if (!r && amdgpu_ras_intr_triggered())
amdgpu_ras_intr_cleared();
+
[Le] 3/3: Redundant white line.
list_for_each_entry(tmp_adev, device_list_handle, gmc.xgmi.head) {
if (need_full_reset) {
/* post card */
@@ -4181,8 +4130,7 @@ int amdgpu_device_gpu_recover(struct amdgpu_device *adev,
if (r)
adev->asic_reset_res = r;
} else {
- r = amdgpu_do_asic_reset(adev, hive, device_list_handle,
- &need_full_reset);
+ r = amdgpu_do_asic_reset(hive, device_list_handle,
+&need_full_reset);
if (r && r == -EAGAIN)
goto retry;
}
--
2.7.4
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