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authorDouglas Anderson <dianders@chromium.org>2015-10-28 09:52:22 -0700
committerPatrick Georgi <pgeorgi@google.com>2015-11-19 21:37:39 +0100
commit78e226cf36af511bd435d4f6b3f9163fbc8322a0 (patch)
treea6b92e677017a1de43594948dd09ab8ee619d59c /src/mainboard/intel
parent9fa0760e9769af20fbb7b30ab3dda7ba7885c7da (diff)
edid: Use a better mode for 640x480
The hardcoded clock value for 640x480 was 25.175 MHz. That's a valid clock to use, but is quite hard to make a non-jittery clock from PLLs. It's much easier to make 25.200 MHz, so let's do that. The difference between the two modes is 59.9 Hz vs. 60 Hz and it seems better to make a non-jittery 60 Hz rather than a very jittery 59.9 Hz. BRANCH=none BUG=chrome-os-partner:46256 TEST=Insignia monitor works, so do others Change-Id: I8aa124d04a90f5dcf9cfa923ed3b693fbb4a06d8 Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Original-Commit-Id: e32ce13462101dc60cfed60b6948b7597e93525a Original-Change-Id: Ia9804afe8011a915e4bec306e863d34ad7e27be5 Original-Signed-off-by: Douglas Anderson <dianders@chromium.org> Original-Reviewed-on: https://chromium-review.googlesource.com/309540 Original-Reviewed-by: Stphane Marchesin <marcheu@chromium.org> Original-(cherry picked from commit 7f32c9f460991e5e3b947117d6ae4080e630a532) Original-Reviewed-on: https://chromium-review.googlesource.com/309576 Original-Commit-Ready: David Hendricks <dhendrix@chromium.org> Original-Tested-by: David Hendricks <dhendrix@chromium.org> Original-Reviewed-by: David Hendricks <dhendrix@chromium.org> Original-Reviewed-by: Julius Werner <jwerner@chromium.org> Reviewed-on: http://review.coreboot.org/12443 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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