[PATCH 4/6] drm/amdgpu: add checks if DMA-buf P2P is supported

2020-03-30 Thread Christian König
Check if we can do peer2peer on the PCIe bus. Signed-off-by: Christian König --- drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c | 4 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c index

Re: [PATCH 4/6] drm/amdgpu: add checks if DMA-buf P2P is supported

2020-03-12 Thread Jason Gunthorpe
On Wed, Mar 11, 2020 at 02:51:56PM +0100, Christian König wrote: > Check if we can do peer2peer on the PCIe bus. > > Signed-off-by: Christian König > drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c | 4 > 1 file changed, 4 insertions(+) > > diff --git

Re: [PATCH 4/6] drm/amdgpu: add checks if DMA-buf P2P is supported

2020-03-12 Thread Jason Gunthorpe
On Wed, Mar 11, 2020 at 03:43:03PM +0100, Christian König wrote: > > > > int 'p2pdma map bar'( > > > > struct pci_device *source, > > > > unsigned int source_bar_number, > > > > struct pci_device *dest, > > > > physaddr *array_of_offsets & length pairs into source bar, > > > >

Re: [PATCH 4/6] drm/amdgpu: add checks if DMA-buf P2P is supported

2020-03-12 Thread Jason Gunthorpe
On Wed, Mar 11, 2020 at 03:33:01PM +0100, Christian König wrote: > Am 11.03.20 um 15:04 schrieb Jason Gunthorpe: > > On Wed, Mar 11, 2020 at 02:51:56PM +0100, Christian König wrote: > > > Check if we can do peer2peer on the PCIe bus. > > > > > > Signed-off-by: Christian König > > >

Re: [PATCH 4/6] drm/amdgpu: add checks if DMA-buf P2P is supported

2020-03-11 Thread Christian König
Am 11.03.20 um 15:38 schrieb Jason Gunthorpe: On Wed, Mar 11, 2020 at 03:33:01PM +0100, Christian König wrote: Am 11.03.20 um 15:04 schrieb Jason Gunthorpe: On Wed, Mar 11, 2020 at 02:51:56PM +0100, Christian König wrote: Check if we can do peer2peer on the PCIe bus. Signed-off-by: Christian

Re: [PATCH 4/6] drm/amdgpu: add checks if DMA-buf P2P is supported

2020-03-11 Thread Christian König
Am 11.03.20 um 15:04 schrieb Jason Gunthorpe: On Wed, Mar 11, 2020 at 02:51:56PM +0100, Christian König wrote: Check if we can do peer2peer on the PCIe bus. Signed-off-by: Christian König drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c | 4 1 file changed, 4 insertions(+) diff --git

[PATCH 4/6] drm/amdgpu: add checks if DMA-buf P2P is supported

2020-03-11 Thread Christian König
Check if we can do peer2peer on the PCIe bus. Signed-off-by: Christian König --- drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c | 4 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c index