On 06/02/2014 12:11 PM, Tomasz Figa wrote: > Hi Rahul, Andrzej, > > On 02.06.2014 11:42, Rahul Sharma wrote: >> On 2 June 2014 14:41, Andrzej Hajda <a.hajda@xxxxxxxxxxx> wrote: >>> Hi Rahul, >>> >>> On 05/28/2014 08:11 AM, Rahul Sharma wrote: >>>> System hangs when FIMD registers are accessed to disable >>>> hardware overlays. This is because of the clocks which are >>>> not enabled before register access. >>>> >>>> 'Hardware overlay disable' is cleaned from the FIMD probe. >>>> >>>> Signed-off-by: Rahul Sharma <rahul.sharma@xxxxxxxxxxx> >>> >>> This patch causes regression on some exynos4210-universal_c210 devices, >>> everything works expect colors are incorrect - it seems blue component >>> is very dark, almost black. >>> >> >> Oh.... Sorry for that. I did not see any problem on 5250/5420/5800. I do not >> have setup for 4210. Better we should revert this patch. >> >> Would you please help me by verifying the following patch on 4210? This >> is an alternate solution to the same problem. >> >> http://www.mail-archive.com/linux-samsung-soc@xxxxxxxxxxxxxxx/msg31426.html >> >> Thanks Andrej, for bringing it to notice. > > I don't see how this patch could introduce such regression, as all the > affected registers seem to be properly reconfigured in fimd_win_commit() > anyway. > > IMHO instead of reverting the patch, this issue should be investigated > and fixed properly. > > Best regards, > Tomasz > I am looking at the problem, it is quite strange as it happens only on one of two targets I have access to. Anyway it seems that something should be added to fimd initialization sequence if we want to remove hw accessing code from probe. Regards Andrzej -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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