On 2/22/22 18:24, Christoph Hellwig wrote:
On Fri, Feb 18, 2022 at 01:39:46PM +0200, Mikko Perttunen wrote:
+
+/*
+ * Due to an issue with T194 NVENC, only 38 bits can be used.
+ * Anyway, 256GiB of IOVA ought to be enough for anyone.
+ */
+static dma_addr_t context_device_dma_mask = DMA_BIT_MASK(38);
You need a mask per device. Please don't share the same variable
for multiple masks.
+EXPORT_SYMBOL(host1x_context_alloc);
All this low-level code really should be EXPORT_SYMBOL_GPL.
Thanks, will fix (and same for patch 2).
Mikko