On 13/09/13 10:07, Wang Huan-B18965 wrote: > My comments inline. > >> -----Original Message----- From: Tomi Valkeinen >> [mailto:tomi.valkeinen@xxxxxx] Sent: Wednesday, September 04, 2013 >> 6:33 PM To: Wang Huan-B18965 Cc: plagnioj@xxxxxxxxxxxx; >> linux-fbdev@xxxxxxxxxxxxxxx; linux-arm- kernel@xxxxxxxxxxxxxxxxxxx; >> Jin Zhengxiong-R64188; Estevam Fabio-R49496; shawn.guo@xxxxxxxxxx >> Subject: Re: [PATCH v3 0/5] ARM: vf610: Add DCU framebuffer driver >> for Vybrid VF610 platform >> >> Hi, >> >> On 03/09/13 11:21, Wang Huan-B18965 wrote: >>> Hi, Jean-Christophe, Tomi, >>> >>> Could you please help to review these patches? Thanks! >> >> There seemed to be some strong opinions that there should be a drm >> driver for this hardware, instead of an fb driver. So as there >> seems to be disagreements about this, I'll leave this series to >> Jean-Christophe, who's the primary maintainer. > [Alison Wang] > > Thanks for Tomi's comments. > > I agree that we can implement the DRM driver for the DCU. As the > bandwidth limitation, I suggest we use the fb driver firstly. On the > other hand, the fb driver can meet the application requirement based > on this SoC. We'll try to provide the DRM driver when this IP > integrated into other SoC. If you plan to move to DRM driver anyway, I would strongly suggest merging only the DRM driver. If we merge the fb driver, and a bit later the DRM driver for the same hardware, we'll have two drivers of which the other is already deprecated. Tomi
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