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drm/amdgpu: add amdgpu.sched_jobs option

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This option can be used to specify the max job number in the job queue,
and it is 16 by default.

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 16:36:58 +08:00
committed by Alex Deucher
parent c0044bc2c6
commit 1333f723fb
5 changed files with 13 additions and 5 deletions
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drivers/gpu/drm/amd/amdgpu/amdgpu.h
+1
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@@ -80,6 +80,7 @@ extern int amdgpu_deep_color;
extern int amdgpu_vm_size;
extern int amdgpu_vm_block_size;
extern int amdgpu_enable_scheduler;
extern int amdgpu_sched_jobs;
#define AMDGPU_WAIT_IDLE_TIMEOUT_IN_MS 3000
#define AMDGPU_MAX_USEC_TIMEOUT 100000 /* 100 ms */
drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
+2 -1
View File
@@ -105,7 +105,8 @@ int amdgpu_ctx_alloc(struct amdgpu_device *adev, struct amdgpu_fpriv *fpriv,
rq = &adev->rings[i]->scheduler->kernel_rq;
r = amd_context_entity_init(adev->rings[i]->scheduler,
&ctx->rings[i].c_entity,
NULL, rq, *id);
NULL, rq, *id,
amdgpu_sched_jobs);
if (r)
break;
}
drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+4
View File
@@ -76,6 +76,7 @@ int amdgpu_vm_size = 8;
int amdgpu_vm_block_size = -1;
int amdgpu_exp_hw_support = 0;
int amdgpu_enable_scheduler = 0;
int amdgpu_sched_jobs = 16;
MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing, in megabytes");
module_param_named(vramlimit, amdgpu_vram_limit, int, 0600);
@@ -143,6 +144,9 @@ module_param_named(exp_hw_support, amdgpu_exp_hw_support, int, 0444);
MODULE_PARM_DESC(enable_scheduler, "enable SW GPU scheduler (1 = enable, 0 = disable ((default))");
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);
static struct pci_device_id pciidlist[] = {
#ifdef CONFIG_DRM_AMDGPU_CIK
/* Kaveri */