[PATCH] drm/mgag200: Fix PLL setup for g200wb and g200ew

Greg KH gregkh at linuxfoundation.org
Tue Mar 8 17:31:19 UTC 2022


On Tue, Mar 08, 2022 at 06:11:11PM +0100, Jocelyn Falempe wrote:
> commit f86c3ed55920ca1d874758cc290890902a6cffc4 ("drm/mgag200: Split PLL
> setup into compute and update functions") introduced a regression for
> g200wb and g200ew.

No need for all those digits in the sha1, see below:

> The PLLs are not set up properly, and VGA screen stays
> black, or displays "out of range" message.
> 
> MGA1064_WB_PIX_PLLC_N/M/P was mistakenly replaced with
> MGA1064_PIX_PLLC_N/M/P which have different addresses.
> 
> Patch tested on a Dell T310 with g200wb
> 
> Fixes: f86c3ed55920ca1d874758cc290890902a6cffc4

As per the documentation that line should read:

Fixes: f86c3ed55920 ("drm/mgag200: Split PLL setup into compute and update functions")

thanks,

greg k-h


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