On 05/19/2013 08:32 PM, Tomasz Figa wrote: > Hi, > > On Wednesday 01 of May 2013 22:00:25 Daniel Vetter wrote: >> On Wed, May 01, 2013 at 09:06:09PM +0200, Tomasz Figa wrote: >>> This patch modifies the driver to perform two stage parsing of video >>> timings from device tree, to get timing information as struct >>> videomode, which contains more data than struct fb_videomode. >>> >>> Thanks to this change, information about polarity of control signals >>> (VSYNC, HSYNC, VDEN, VCLK) can be retrieved, in addition to standard >>> video timings. >>> >>> Signed-off-by: Tomasz Figa <tomasz.figa at gmail.com> >> Since the drm mode struct also contains flags for sync polarity ... why >> is there no direct of -> drm_mode function? Going through an fb >> videomode in a kms drm driver looks _really_ backwards to me. >> >> Cc'in Dave for the fun of it ;-) > Struct fb_videomode is what exynos_drm_fimd driver uses internally. Sure > it should use drm_mode, but this is not really related to this patch, > because the code added in this patch only fills in the pdata struct, which > for compatibility reasons (the same structure is used for both fbdev and > drm drivers) contains struct fb_videomode. > > OK, now after having a bit of fun, could we merge this patch to at least > have usable support of parallel displays using this driver?
I think it's better to use struct display_timings instead of struct fb_videomode in exynos_drm. Thanks.