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authorJammy Zhou <Jammy.Zhou@amd.com>2015-07-30 11:36:58 +0300
committerAlex Deucher <alexander.deucher@amd.com>2015-08-17 23:50:41 +0300
commit1333f723fb6f1356a54135586f1ede44dcaa9652 (patch)
treea91edb7bb65004749a8cf8390dd7ef665e034f1f /drivers/gpu/drm/amd/amdgpu
parentc0044bc2c62dc3267f2a555ed8342181516008a5 (diff)
downloadlinux-1333f723fb6f1356a54135586f1ede44dcaa9652.tar.xz
drm/amdgpu: add amdgpu.sched_jobs option
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>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu.h1
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c3
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c4
3 files changed, 7 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 0703fbfd5130..4de114711951 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -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 */
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
index a5d8242ace95..58ce2655a8fd 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
@@ -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;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
index 8f33cef9c828..319de441e907 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -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 */