RE: [PATCH] Fix 64 bit addressing support for GEM

From: Rafal Ozieblo
Date: Thu Jan 26 2017 - 11:16:44 EST


-----Original Message-----
> From: Rafal Ozieblo [mailto:rafalo@xxxxxxxxxxx]
> Sent: 26 stycznia 2017 16:01
> Subject: [PATCH] Fix 64 bit addressing support for GEM
>
> This patch adds support for 32 bit GEM in
> 64 bit system. It checks capability at runtime
> and uses appropriate buffer descriptor.
>
> Signed-off-by: Rafal Ozieblo <rafalo@xxxxxxxxxxx>
> ---
> #ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT
> - if (GEM_BFEXT(DBWDEF, gem_readl(bp, DCFG1)) > GEM_DBW32)
> + if (GEM_BFEXT(DAW64, gem_readl(bp, DCFG6))) {
> + pr_emerg("rozieblo: 64B!\n");
I forgot to remove that log message.