Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > linux.kernel > #1685917
| From | Alexey Brodkin <Alexey.Brodkin@synopsys.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH] drm: arcpgu: Allow some clock deviation in crtc->mode_valid() callback |
| Date | 2017-07-12 19:10 +0200 |
| Message-ID | <u2tjc-2BT-13@gated-at.bofh.it> (permalink) |
| References | <tWZOO-1NK-27@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Hi Jose, On Tue, 2017-06-27 at 15:36 +0100, Jose Abreu wrote: > Currently we expect that clock driver produces the exact same value > as we are requiring. There can, and will, be some deviation however > so we need to take into account that instead of rejecting the mode. > > According to HDMI spec we have a max of +-0.5% for the pixel clock > frequency variation. Lets take that into an advantage and use it > to calculate how much deviation we can support. > > This patch was based on today's drm-misc-next. > > Signed-off-by: Jose Abreu <joabreu@synopsys.com> > Cc: Carlos Palminha <palminha@synopsys.com> > Cc: Alexey Brodkin <abrodkin@synopsys.com> > Cc: Daniel Vetter <daniel.vetter@ffwll.ch> > Cc: Dave Airlie <airlied@linux.ie> Finally our problem with EDID-less monitor is fixed with that patch. Thus, Acked-by: Alexey Brodkin <abrodkin@synopsys.com>
Back to linux.kernel | Previous | Next | Find similar | Unroll thread
Re: [PATCH] drm: arcpgu: Allow some clock deviation in crtc->mode_valid() callback Alexey Brodkin <Alexey.Brodkin@synopsys.com> - 2017-07-12 19:10 +0200
csiph-web