On Sat, Oct 30, 2021 at 9:16 PM Qiang Yu yuq825@gmail.com wrote:

Otherwise get following warning:

DMA-API: lima 1c40000.gpu: mapping sg segment longer than device claims to support [len=4149248] [max=65536]

See: https://gitlab.freedesktop.org/mesa/mesa/-/issues/5496

Reported-by: Roman Stratiienko r.stratiienko@gmail.com

Reviewed-by: Vasily Khoruzhick anarsoul@gmail.com

Signed-off-by: Qiang Yu yuq825@gmail.com

drivers/gpu/drm/lima/lima_device.c | 1 + 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/lima/lima_device.c b/drivers/gpu/drm/lima/lima_device.c index 65fdca366e41..36c990589427 100644 --- a/drivers/gpu/drm/lima/lima_device.c +++ b/drivers/gpu/drm/lima/lima_device.c @@ -357,6 +357,7 @@ int lima_device_init(struct lima_device *ldev) int err, i;

    dma_set_coherent_mask(ldev->dev, DMA_BIT_MASK(32));

•   dma_set_max_seg_size(ldev->dev, UINT_MAX);
  
    err = lima_clk_init(ldev);
    if (err)
  

-- 2.25.1