drm/amdgpu: fix VA hole handling on Vega10 v3
Similar to the CPU address space the VA on Vega10 has a hole in it.
v2: use dev_dbg instead of dev_err
v3: add some more comments to explain how the hw works
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
CC: stable@vger.kernel.org
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
index c165792..59c9fac 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
@@ -564,6 +564,17 @@ int amdgpu_gem_va_ioctl(struct drm_device *dev, void *data,
return -EINVAL;
}
+ if (args->va_address >= AMDGPU_VA_HOLE_START &&
+ args->va_address < AMDGPU_VA_HOLE_END) {
+ dev_dbg(&dev->pdev->dev,
+ "va_address 0x%LX is in VA hole 0x%LX-0x%LX\n",
+ args->va_address, AMDGPU_VA_HOLE_START,
+ AMDGPU_VA_HOLE_END);
+ return -EINVAL;
+ }
+
+ args->va_address &= AMDGPU_VA_HOLE_MASK;
+
if ((args->flags & ~valid_flags) && (args->flags & ~prt_flags)) {
dev_err(&dev->pdev->dev, "invalid flags combination 0x%08X\n",
args->flags);