From: Qiang Yu yuq825@gmail.com
[ Upstream commit 89636a06fa2ee7826a19c39c19a9bc99ab9340a9 ]
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
Reviewed-by: Vasily Khoruzhick anarsoul@gmail.com Reported-by: Roman Stratiienko r.stratiienko@gmail.com Signed-off-by: Qiang Yu yuq825@gmail.com Link: https://patchwork.freedesktop.org/patch/msgid/20211031041604.187216-1-yuq825... Signed-off-by: Sasha Levin sashal@kernel.org --- 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 d86b8d81a483a..155971c57b2d5 100644 --- a/drivers/gpu/drm/lima/lima_device.c +++ b/drivers/gpu/drm/lima/lima_device.c @@ -293,6 +293,7 @@ int lima_device_init(struct lima_device *ldev) struct resource *res;
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)