Messages in this thread | | | Subject | Re: [PATCH v2] video: ARM CLCD: Fix calculation of bits-per-pixel | From | Pawel Moll <> | Date | Wed, 20 Aug 2014 14:03:07 +0100 |
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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@linaro.org>
Acked-by: Pawel Moll <pawel.moll@arm.com>
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