diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2217-drm-amdgpu-add-mcbp-driver-parameter.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2217-drm-amdgpu-add-mcbp-driver-parameter.patch | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2217-drm-amdgpu-add-mcbp-driver-parameter.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2217-drm-amdgpu-add-mcbp-driver-parameter.patch new file mode 100644 index 00000000..99b6d74d --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2217-drm-amdgpu-add-mcbp-driver-parameter.patch @@ -0,0 +1,69 @@ +From 8d05bda47797c02d5c797ca9a81786db7c8c117b Mon Sep 17 00:00:00 2001 +From: Jack Xiao <Jack.Xiao@amd.com> +Date: Thu, 10 Jan 2019 15:43:33 +0800 +Subject: [PATCH 2217/2940] 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 <Hawking.Zhang@amd.com> +Signed-off-by: Jack Xiao <Jack.Xiao@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/amdgpu.h | 1 + + drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 3 +++ + drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 5 +++++ + 3 files changed, 9 insertions(+) + +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h +index cc51bbe212e8..458a6eded228 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h +@@ -162,6 +162,7 @@ extern struct amdgpu_mgpu_info mgpu_info; + extern int amdgpu_ras_enable; + extern uint amdgpu_ras_mask; + extern int amdgpu_async_gfx_ring; ++extern int amdgpu_mcbp; + + #ifdef CONFIG_DRM_AMDGPU_SI + extern int amdgpu_si_support; +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +index 995f31b12a46..bf8d8adc0918 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +@@ -2563,6 +2563,9 @@ int amdgpu_device_init(struct amdgpu_device *adev, + + amdgpu_device_get_pcie_info(adev); + ++ if (amdgpu_mcbp) ++ DRM_INFO("MCBP is enabled\n"); ++ + /* early init functions */ + r = amdgpu_device_ip_early_init(adev); + if (r) +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +index 3ac2645b96b6..93afc2f1c5e4 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +@@ -142,6 +142,7 @@ 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), +@@ -586,6 +587,10 @@ 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); ++ + /** + * DOC: dcfeaturemask (uint) + * Override display features enabled. See enum DC_FEATURE_MASK in drivers/gpu/drm/amd/include/amd_shared.h. +-- +2.17.1 + |