[PATCH v2] video: ARM CLCD: Fix calculation of bits-per-pixel
pawel.moll at arm.com
Wed Aug 20 06:03:07 PDT 2014
On Wed, 2014-08-20 at 13:41 +0100, Jon Medhurst (Tixy) wrote:
> If the device-tree specifies a max-memory-bandwidth property then the
> CLCD driver uses that to calculate the bits-per-pixel supported,
> however, this calculation is faulty for two reasons.
> 1. It doesn't ensure that the result is a sane value, i.e. a power of 2
> and <= 32 as the rest of the code assumes.
> 2. It uses the displayed resolution and calculates the average bandwidth
> across the whole frame. It should instead calculate the peak
> bandwidth based on the pixel clock.
> This patch fixes both the above.
> Signed-off-by: Jon Medhurst <tixy at linaro.org>
Acked-by: Pawel Moll <pawel.moll at arm.com>
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