From bb7939b2030ab55acd203c86160c37db22f5796a Mon Sep 17 00:00:00 2001 From: Christian König Date: Mon, 6 Nov 2017 15:37:01 +0100 Subject: drm/amdgpu: fix VA hole handling on Vega10 v3 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 Reviewed-by: Alex Deucher CC: stable@vger.kernel.org Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c index c16579287aee..59c9facf9bd7 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); -- cgit v1.2.3-70-g09d2