[PATCH] tinydrm/mipi-dbi: Use dma-safe buffers for all SPI transfers

[Andy Shevchenko]

On Mon, Mar 04, 2019 at 06:51:33PM +0100, Noralf Trønnes wrote:
> Den 04.03.2019 16.10, skrev Andy Shevchenko:
> > On Mon, Mar 04, 2019 at 03:45:56PM +0100, Noralf Trønnes wrote:
> >> Den 22.02.2019 16.58, skrev Andy Shevchenko:
> >>> On Fri, Feb 22, 2019 at 01:43:29PM +0100, Noralf Trønnes wrote:

> > Acked-by: Andy Shevchenko <andriy.shevchenko at linux.intel.com>
> > 
> > I hope to see this in v5.1-rc1.
> 
> The patch doesn't apply cleanly on (to be) 5.1 due to this one:
> 
> drm/tinydrm: Use struct drm_rect
> https://cgit.freedesktop.org/drm/drm/commit/?id=b051b3459bbae907ef068bcd8b62f73f09ea5016
> 
> If it's just a debug warning but no ill effects, it'll show up in 5.2.
> Otherwise I will have to backport it.

For x86 it's just a debug message, since on x86 stack memory is DMA capable.
But in general this should be fixed for any possible scenarios.

-- 
With Best Regards,
Andy Shevchenko