[PATCH v2 3/7] drm/admgpu: Serialize RAS recovery work directly into reset domain queue.

[Andrey Grodzovsky <andrey.grodzovsky@amd.com>]

Save the extra usless work schedule. Also swith to delayed work.

Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | 12 +++++++-----
 drivers/gpu/drm/amd/amdgpu/amdgpu_ras.h |  2 +-
 2 files changed, 8 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
index a653cf3b3d13..7e8c7bcc7303 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
@@ -35,6 +35,8 @@
 #include "amdgpu_xgmi.h"
 #include "ivsrcid/nbio/irqsrcs_nbif_7_4.h"
 #include "atom.h"
+#include "amdgpu_reset.h"
+
 #ifdef CONFIG_X86_MCE_AMD
 #include <asm/mce.h>
 
@@ -1889,7 +1891,7 @@ static int amdgpu_ras_badpages_read(struct amdgpu_device *adev,
 static void amdgpu_ras_do_recovery(struct work_struct *work)
 {
 	struct amdgpu_ras *ras =
-		container_of(work, struct amdgpu_ras, recovery_work);
+		container_of(work, struct amdgpu_ras, recovery_work.work);
 	struct amdgpu_device *remote_adev = NULL;
 	struct amdgpu_device *adev = ras->adev;
 	struct list_head device_list, *device_list_handle =  NULL;
@@ -1916,7 +1918,7 @@ static void amdgpu_ras_do_recovery(struct work_struct *work)
 	}
 
 	if (amdgpu_device_should_recover_gpu(ras->adev))
-		amdgpu_device_gpu_recover(ras->adev, NULL);
+		amdgpu_device_gpu_recover_imp(ras->adev, NULL);
 	atomic_set(&ras->in_recovery, 0);
 }
 
@@ -2148,7 +2150,7 @@ int amdgpu_ras_recovery_init(struct amdgpu_device *adev)
 	}
 
 	mutex_init(&con->recovery_lock);
-	INIT_WORK(&con->recovery_work, amdgpu_ras_do_recovery);
+	INIT_DELAYED_WORK(&con->recovery_work, amdgpu_ras_do_recovery);
 	atomic_set(&con->in_recovery, 0);
 	con->eeprom_control.bad_channel_bitmap = 0;
 
@@ -2217,7 +2219,7 @@ static int amdgpu_ras_recovery_fini(struct amdgpu_device *adev)
 	if (!data)
 		return 0;
 
-	cancel_work_sync(&con->recovery_work);
+	cancel_delayed_work_sync(&con->recovery_work);
 
 	mutex_lock(&con->recovery_lock);
 	con->eh_data = NULL;
@@ -2910,7 +2912,7 @@ int amdgpu_ras_reset_gpu(struct amdgpu_device *adev)
 	struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
 
 	if (atomic_cmpxchg(&ras->in_recovery, 0, 1) == 0)
-		schedule_work(&ras->recovery_work);
+		amdgpu_reset_domain_schedule(ras->adev->reset_domain, &ras->recovery_work);
 	return 0;
 }
 
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.h
index b9a6fac2b8b2..f7e21c2abc61 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.h
@@ -347,7 +347,7 @@ struct amdgpu_ras {
 	struct ras_manager *objs;
 
 	/* gpu recovery */
-	struct work_struct recovery_work;
+	struct delayed_work recovery_work;
 	atomic_t in_recovery;
 	struct amdgpu_device *adev;
 	/* error handler data */
-- 
2.25.1