drm/amdgpu: add amdgpu.sched_hw_submission option
This option can be used to specify the max number of submissions in the
active HW queue. The default value is 2 now.
Signed-off-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
diff --git a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c
index 87993e0..042da7d 100644
--- a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c
+++ b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c
@@ -468,7 +468,8 @@
struct amd_sched_backend_ops *ops,
unsigned ring,
unsigned granularity,
- unsigned preemption)
+ unsigned preemption,
+ unsigned hw_submission)
{
struct amd_gpu_scheduler *sched;
char name[20] = "gpu_sched[0]";
@@ -495,7 +496,7 @@
init_waitqueue_head(&sched->wait_queue);
if(kfifo_alloc(&sched->active_hw_rq,
- AMD_MAX_ACTIVE_HW_SUBMISSION * sizeof(void *),
+ hw_submission * sizeof(void *),
GFP_KERNEL)) {
kfree(sched);
return NULL;
diff --git a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h
index 52577a88..7f6bc26 100644
--- a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h
+++ b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h
@@ -26,8 +26,6 @@
#include <linux/kfifo.h>
-#define AMD_MAX_ACTIVE_HW_SUBMISSION 2
-
#define AMD_KERNEL_CONTEXT_ID 0
#define AMD_KERNEL_PROCESS_ID 0
@@ -127,7 +125,8 @@
struct amd_sched_backend_ops *ops,
uint32_t ring,
uint32_t granularity,
- uint32_t preemption);
+ uint32_t preemption,
+ uint32_t hw_submission);
int amd_sched_destroy(struct amd_gpu_scheduler *sched);