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Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/1414-drm-amdgpu-Report-FB-as-private-if-BAR-is-above-40bi.patch')
-rw-r--r--common/recipes-kernel/linux/linux-yocto-4.14.71/1414-drm-amdgpu-Report-FB-as-private-if-BAR-is-above-40bi.patch41
1 files changed, 41 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/1414-drm-amdgpu-Report-FB-as-private-if-BAR-is-above-40bi.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/1414-drm-amdgpu-Report-FB-as-private-if-BAR-is-above-40bi.patch
new file mode 100644
index 00000000..16b02e32
--- /dev/null
+++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/1414-drm-amdgpu-Report-FB-as-private-if-BAR-is-above-40bi.patch
@@ -0,0 +1,41 @@
+From a152b2ba3a9e60522d7cb58591b04ca1d439220f Mon Sep 17 00:00:00 2001
+From: Felix Kuehling <Felix.Kuehling@amd.com>
+Date: Sat, 9 Apr 2016 18:12:18 -0400
+Subject: [PATCH 1414/4131] drm/amdgpu: Report FB as private if BAR is above
+ 40bit
+
+When the BAR is above 40bit, the framebuffer is not peer-accessible
+(although it is still CPU accessible). For HSA purposes, report
+FB memory as private in this case.
+
+Change-Id: Ia8d5d5d7e258d5008daab13b3992c9065c712ec0
+Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
+
+ Conflicts:
+ drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
+---
+ drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c | 6 +++---
+ 1 file changed, 3 insertions(+), 3 deletions(-)
+
+diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
+index 47397b6..62e7145 100755
+--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
+@@ -371,11 +371,11 @@ void get_local_mem_info(struct kgd_dev *kgd,
+ mem_info->local_mem_size_public = adev->mc.visible_vram_size;
+ mem_info->local_mem_size_private = adev->mc.real_vram_size -
+ adev->mc.visible_vram_size;
+- mem_info->vram_width = adev->mc.vram_width;
+ } else {
+- pr_err("amdgpu: vram aperture is out of 40bit address base: 0x%llx limit 0x%llx\n",
+- adev->mc.aper_base, aper_limit);
++ mem_info->local_mem_size_public = 0;
++ mem_info->local_mem_size_private = adev->mc.real_vram_size;
+ }
++ mem_info->vram_width = adev->mc.vram_width;
+
+ pr_debug("amdgpu: address base: 0x%llx limit 0x%llx public 0x%llx private 0x%llx\n",
+ adev->mc.aper_base, aper_limit,
+--
+2.7.4
+