diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1414-drm-amdgpu-Report-FB-as-private-if-BAR-is-above-40bi.patch')
-rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1414-drm-amdgpu-Report-FB-as-private-if-BAR-is-above-40bi.patch | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1414-drm-amdgpu-Report-FB-as-private-if-BAR-is-above-40bi.patch b/meta-amd-bsp/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/meta-amd-bsp/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 + |