From: Jammy Zhou Date: Thu, 30 Jul 2015 08:44:05 +0000 (+0800) Subject: drm/amdgpu: add amdgpu.sched_hw_submission option X-Git-Tag: omap-for-v4.3/fixes-rc1~89^2~22^2~69 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4afcb30383bef8bf972c6aae47995ef314e5f8a1;p=pandora-kernel.git 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 Reviewed-by: Chunming Zhou --- diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 4de114711951..6e1fea473a66 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -81,6 +81,7 @@ extern int amdgpu_vm_size; extern int amdgpu_vm_block_size; extern int amdgpu_enable_scheduler; extern int amdgpu_sched_jobs; +extern int amdgpu_sched_hw_submission; #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_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index 319de441e907..8bb5610c2d25 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -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 */ Reading git-diff-tree failed