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SubjectRe: [PATCH] Revert "dma-contiguous: do not allocate a single page from CMA area"
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On 26/02/2019 20:23, Nicolin Chen wrote:
> This reverts commit d222e42e88168fd67e6d131984b86477af1fc256.
>
> The original change breaks omap dss:
> omapdss_dispc 58001000.dispc:
> dispc_errata_i734_wa_init: dma_alloc_writecombine failed
>
> Let's revert it first and then find a safer solution instead.
>
> Reported-by: Tony Lindgren <tony@atomide.com>
> Signed-off-by: Nicolin Chen <nicoleotsuka@gmail.com>
> ---
> Tony,
>
> Would you please test and verify? Thanks!

This also fixes various memory allocation failures we have seen on
32-bit Tegra as well.

Tested-by: Jon Hunter <jonathanh@nvidia.com>

Cheers
Jon

--
nvpublic

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