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drm/amdgpu: add amdgpu.sched_hw_submission option

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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>
This commit is contained in:
Jammy Zhou
2015-07-30 16:44:05 +08:00
committed by Alex Deucher
parent 1333f723fb
commit 4afcb30383
5 changed files with 12 additions and 6 deletions
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4
drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
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@@ -77,6 +77,7 @@ int amdgpu_vm_block_size = -1;
int amdgpu_exp_hw_support = 0;
int amdgpu_enable_scheduler = 0;
int amdgpu_sched_jobs = 16;
int amdgpu_sched_hw_submission = 2;
MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing, in megabytes");
module_param_named(vramlimit, amdgpu_vram_limit, int, 0600);
@@ -147,6 +148,9 @@ module_param_named(enable_scheduler, amdgpu_enable_scheduler, int, 0444);
MODULE_PARM_DESC(sched_jobs, "the max number of jobs supported in the sw queue (default 16)");
module_param_named(sched_jobs, amdgpu_sched_jobs, int, 0444);
MODULE_PARM_DESC(sched_hw_submission, "the max number of HW submissions (default 2)");
module_param_named(sched_hw_submission, amdgpu_sched_hw_submission, int, 0444);
static struct pci_device_id pciidlist[] = {
#ifdef CONFIG_DRM_AMDGPU_CIK
/* Kaveri */