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From 1a2ae2ef6382d87b086803f43270ff90e10d03b4 Mon Sep 17 00:00:00 2001
From: Flora Cui <flora.cui@amd.com>
Date: Sat, 10 Oct 2015 17:11:12 +0800
Subject: [PATCH 0765/4131] drm/amdgpu: add query for aperture va range
Change-Id: I648c3784b13709fbcd79cfef4aa6dadeaadeee8c
Signed-off-by: Flora Cui <Flora.Cui@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Conflicts:
drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
include/uapi/drm/amdgpu_drm.h
---
drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
index d31777b..6224fba 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
@@ -286,6 +286,23 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file
return -ENODEV;
switch (info->query) {
+ case AMDGPU_INFO_VIRTUAL_RANGE: {
+ struct drm_amdgpu_virtual_range range_info;
+ switch (info->virtual_range.aperture) {
+ case AMDGPU_SUA_APERTURE_PRIVATE:
+ range_info.start = adev->mc.private_aperture_start;
+ range_info.end = adev->mc.private_aperture_end;
+ break;
+ case AMDGPU_SUA_APERTURE_SHARED:
+ range_info.start = adev->mc.shared_aperture_start;
+ range_info.end = adev->mc.shared_aperture_end;
+ break;
+ default:
+ return -EINVAL;
+ }
+ return copy_to_user(out, &range_info,
+ min((size_t)size, sizeof(range_info))) ? -EFAULT : 0;
+ }
case AMDGPU_INFO_ACCEL_WORKING:
ui32 = adev->accel_working;
return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
--
2.7.4
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