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Re: [PATCH 6/9] drm: bridge/dw_hdmi: adjust pixel clock values in N calculation

From Russell King - ARM Linux <linux@arm.linux.org.uk>
Newsgroups linux.kernel
Subject Re: [PATCH 6/9] drm: bridge/dw_hdmi: adjust pixel clock values in N calculation
Date 2015-09-05 10:40 +0200
Message-ID <q5haW-3AR-7@gated-at.bofh.it> (permalink)
References (3 earlier) <q559M-3hn-11@gated-at.bofh.it> <q56Iz-5B5-17@gated-at.bofh.it> <q593I-lg-5@gated-at.bofh.it> <q59wJ-18i-5@gated-at.bofh.it> <q5b5v-3pQ-7@gated-at.bofh.it>
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On Fri, Sep 04, 2015 at 07:03:11PM -0700, Doug Anderson wrote:
> Then perhaps you shouldn't be using a switch statement.  You won't
> catch all values that are within .05% of (25.2 / 1.001).

No.

The clock rates you get ultimately come from the EDID via either the
detailed timing modes or from the CEA mode IDs, which are then looked
up in tables in the DRM EDID parsing code.

Either way, you will end up with 25175 and not 25170 or something
strange based on what the platform does.

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Re: [PATCH 6/9] drm: bridge/dw_hdmi: adjust pixel clock values in N calculation Doug Anderson <dianders@chromium.org> - 2015-09-04 20:30 +0200
  Re: [PATCH 6/9] drm: bridge/dw_hdmi: adjust pixel clock values in N calculation Doug Anderson <dianders@chromium.org> - 2015-09-04 21:50 +0200
    Re: [PATCH 6/9] drm: bridge/dw_hdmi: adjust pixel clock values in N  calculation Russell King - ARM Linux <linux@arm.linux.org.uk> - 2015-09-04 23:30 +0200
      Re: [PATCH 6/9] drm: bridge/dw_hdmi: adjust pixel clock values in N calculation Doug Anderson <dianders@chromium.org> - 2015-09-05 02:00 +0200
        Re: [PATCH 6/9] drm: bridge/dw_hdmi: adjust pixel clock values in N  calculation Russell King - ARM Linux <linux@arm.linux.org.uk> - 2015-09-05 02:30 +0200
          Re: [PATCH 6/9] drm: bridge/dw_hdmi: adjust pixel clock values in N calculation Doug Anderson <dianders@chromium.org> - 2015-09-05 04:10 +0200
            Re: [PATCH 6/9] drm: bridge/dw_hdmi: adjust pixel clock values in N  calculation Russell King - ARM Linux <linux@arm.linux.org.uk> - 2015-09-05 10:40 +0200
              Re: [PATCH 6/9] drm: bridge/dw_hdmi: adjust pixel clock values in N calculation Doug Anderson <dianders@chromium.org> - 2015-09-05 16:00 +0200
            Re: [PATCH 6/9] drm: bridge/dw_hdmi: adjust pixel clock values in N  calculation Russell King - ARM Linux <linux@arm.linux.org.uk> - 2015-09-05 10:40 +0200
              Re: [PATCH 6/9] drm: bridge/dw_hdmi: adjust pixel clock values in N calculation Doug Anderson <dianders@chromium.org> - 2015-09-05 15:50 +0200
                Re: [PATCH 6/9] drm: bridge/dw_hdmi: adjust pixel clock values in N  calculation Russell King - ARM Linux <linux@arm.linux.org.uk> - 2015-09-05 16:10 +0200
                Re: [PATCH 6/9] drm: bridge/dw_hdmi: adjust pixel clock values in N calculation Doug Anderson <dianders@chromium.org> - 2015-09-05 21:50 +0200

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