From b239c01727459ba08c44b79e6225d3c58723f282 Mon Sep 17 00:00:00 2001 From: Jack Xiao Date: Thu, 10 Jan 2019 15:43:33 +0800 Subject: drm/amdgpu: add mcbp driver parameter Add mcbp driver parameter, so that mcbp feature can be enabled/disabled by driver parameter. Acked-by: Hawking Zhang Signed-off-by: Jack Xiao Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index d1a0c013e27e..fc92f7106c6d 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -137,6 +137,7 @@ uint amdgpu_smu_memory_pool_size = 0; /* FBC (bit 0) disabled by default*/ uint amdgpu_dc_feature_mask = 0; int amdgpu_async_gfx_ring = 1; +int amdgpu_mcbp = 0; struct amdgpu_mgpu_info mgpu_info = { .mutex = __MUTEX_INITIALIZER(mgpu_info.mutex), @@ -574,6 +575,10 @@ MODULE_PARM_DESC(async_gfx_ring, "Asynchronous GFX rings that could be configured with either different priorities (HP3D ring and LP3D ring), or equal priorities (0 = disabled, 1 = enabled (default))"); module_param_named(async_gfx_ring, amdgpu_async_gfx_ring, int, 0444); +MODULE_PARM_DESC(mcbp, + "Enable Mid-command buffer preemption (0 = disabled (default), 1 = enabled)"); +module_param_named(mcbp, amdgpu_mcbp, int, 0444); + #ifdef CONFIG_HSA_AMD /** * DOC: sched_policy (int) -- cgit v1.2.3