diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.19.8/0159-drm-amdgpu-Do-not-evict-VRAM-on-APUs-with-disabled-H.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.19.8/0159-drm-amdgpu-Do-not-evict-VRAM-on-APUs-with-disabled-H.patch | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.19.8/0159-drm-amdgpu-Do-not-evict-VRAM-on-APUs-with-disabled-H.patch b/common/recipes-kernel/linux/linux-yocto-4.19.8/0159-drm-amdgpu-Do-not-evict-VRAM-on-APUs-with-disabled-H.patch new file mode 100644 index 00000000..fe3a7936 --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.19.8/0159-drm-amdgpu-Do-not-evict-VRAM-on-APUs-with-disabled-H.patch @@ -0,0 +1,45 @@ +From e3f4d5b6cb55c21155fc6235ac174816f7cbc995 Mon Sep 17 00:00:00 2001 +From: Paul Menzel <pmenzel@molgen.mpg.de> +Date: Wed, 25 Jul 2018 12:54:19 +0200 +Subject: [PATCH 0159/2940] drm/amdgpu: Do not evict VRAM on APUs with disabled + HIBERNATE +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Improve commit d796d844 (drm/radeon/kms: make hibernate work on IGPs) to +only migrate VRAM objects if the Linux kernel is actually built with +support for hibernation (suspend to disk). + +The better solution is to get the information, if this is suspend or +hibernate, from `amdgpu_device_suspend()`, but that’s more involved, so +apply the simple solution first. + +Link: https://bugs.freedesktop.org/show_bug.cgi?id=107277 +Signed-off-by: Paul Menzel <pmenzel@molgen.mpg.de> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 4 +++- + 1 file changed, 3 insertions(+), 1 deletion(-) + +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c +index 3f8d3ca60388..73a3c035b16a 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c +@@ -1052,10 +1052,12 @@ int amdgpu_bo_unpin(struct amdgpu_bo *bo) + int amdgpu_bo_evict_vram(struct amdgpu_device *adev) + { + /* late 2.6.33 fix IGP hibernate - we need pm ops to do this correct */ +- if (0 && (adev->flags & AMD_IS_APU)) { ++#ifndef CONFIG_HIBERNATION ++ if (adev->flags & AMD_IS_APU) { + /* Useless to evict on IGP chips */ + return 0; + } ++#endif + return ttm_bo_evict_mm(&adev->mman.bdev, TTM_PL_VRAM); + } + +-- +2.17.1 + |