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>

1 files changed, 4 insertions, 0 deletions

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 */