diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3730-drm-amdgpu-disable-gfxoff-while-use-no-H-W-schedulin.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3730-drm-amdgpu-disable-gfxoff-while-use-no-H-W-schedulin.patch | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3730-drm-amdgpu-disable-gfxoff-while-use-no-H-W-schedulin.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3730-drm-amdgpu-disable-gfxoff-while-use-no-H-W-schedulin.patch new file mode 100644 index 00000000..83be5e79 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3730-drm-amdgpu-disable-gfxoff-while-use-no-H-W-schedulin.patch @@ -0,0 +1,45 @@ +From 7ac454802299ffd3671cd488e5868f8cd21d5652 Mon Sep 17 00:00:00 2001 +From: Huang Rui <ray.huang@amd.com> +Date: Mon, 2 Sep 2019 23:34:32 +0800 +Subject: [PATCH 3730/4256] drm/amdgpu: disable gfxoff while use no H/W + scheduling policy + +While gfxoff is enabled, the mmVM_XXX registers will be 0xfffffff while the GFX +is in "off" state. KFD queue creattion doesn't use ring based method, so it will +trigger a VM fault. + +Signed-off-by: Huang Rui <ray.huang@amd.com> +Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/amdgpu.h | 1 + + drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 2 +- + 2 files changed, 2 insertions(+), 1 deletion(-) + +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h +index b2999b81f923..55e3d3e2e69c 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h +@@ -173,6 +173,7 @@ extern int amdgpu_discovery; + extern int amdgpu_mes; + extern int amdgpu_noretry; + extern int amdgpu_force_asic_type; ++extern int sched_policy; + + #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 2d65e8eb687d..be0a06014037 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +@@ -1622,7 +1622,7 @@ static int amdgpu_device_ip_early_init(struct amdgpu_device *adev) + } + + adev->pm.pp_feature = amdgpu_pp_feature_mask; +- if (amdgpu_sriov_vf(adev)) ++ if (amdgpu_sriov_vf(adev) || sched_policy == KFD_SCHED_POLICY_NO_HWS) + adev->pm.pp_feature &= ~PP_GFXOFF_MASK; + + for (i = 0; i < adev->num_ip_blocks; i++) { +-- +2.17.1 + |