On Mon, May 14, 2012 at 04:55:36PM -0300, Paulo Zanoni wrote: > 2012/5/12 Daniel Vetter <daniel.vetter at ffwll.ch>: > > The CEA spec has a bunch of very peculiar modes. For backwards > > compatibility it specifies a bunch of modes that are suitable to > > display old SD TV content. But these modes have such low pixel clocks > > that pixels need to be doubled to reach the minimal clock of the HDMI > > interface. > > > > I just tested the 2 patches. They don't work for me... My monitor > complains the timings are not supported, and now I get a black screen > instead of a screen with half of the vertical pixel columns. > > HTOTAL_B: 0x035f02cf (720 active, 864 total) > HBLANK_B: 0x035f02cf (720 start, 864 end) > HSYNC_B: 0x031a02db (732 start, 795 end) > VTOTAL_B: 0x026f023f (576 active, 624 total) > VBLANK_B: 0x026f023f (576 start, 624 end) > VSYNC_B: 0x02490243 (580 start, 586 end) > > I believe the timings sent to the hardware must be the ones we were > already sending before the patches... Well, that is what actually _should_ happen. The crtc doubles every pixel, so all horizontal timings should be twice what we program into the registers. Looks like something is still amiss :( -Daniel -- Daniel Vetter Mail: daniel at ffwll.ch Mobile: +41 (0)79 365 57 48
