Am 25.06.2012 um 17:53 schrieb Takashi Iwai: > Looking at the EDID data, the problem is likely that your monitor > doesn't give the proper preferred mode. > What does xrandr output show? ,---- | Screen 0: minimum 320 x 200, current 1280 x 1024, maximum 8192 x 8192 | DVI-I-1 connected 1280x1024+0+0 (normal left inverted right x axis y axis) 376mm x 301mm | 1280x1024 75.0* 60.0 | 1024x768 75.1 75.0 70.1 60.0 | 832x624 74.6 | 800x600 72.2 75.0 60.3 56.2 | 640x480 72.8 75.0 66.7 60.0 59.9 | VGA-1 disconnected (normal left inverted right x axis y axis) `---- I should note that the monitor is actually connected via VGA, not DVI. This seems to be similar to https://bugs.freedesktop.org/50830, but since it never caused any real problems for me, I didn't bother. > And, does the patch below help? Somewhat: at least I get 1280x1024 again, but at 60 rather than 75 Hz. The xrandr command shows various bogus modes. ,---- | Screen 0: minimum 320 x 200, current 1280 x 1024, maximum 8192 x 8192 | DVI-I-1 connected 1280x1024+0+0 (normal left inverted right x axis y axis) 376mm x 301mm | 1280x1024 60.0*+ 75.0 | 1680x945 60.0 | 1400x1050 60.0 | 1600x900 60.0 | 1440x900 75.0 59.9 | 1280x960 60.0 | 1366x768 60.0 | 1360x768 60.0 | 1280x800 74.9 59.8 | 1152x864 75.0 | 1280x768 74.9 59.9 | 1024x768 75.1 75.0 70.1 60.0 | 1024x576 60.0 | 832x624 74.6 | 800x600 72.2 75.0 60.3 56.2 | 848x480 60.0 | 640x480 75.0 72.8 72.8 66.7 60.0 59.9 | VGA-1 disconnected (normal left inverted right x axis y axis) `---- Cheers, Sven > --- > diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c > index 5873e48..dab8580 100644 > --- a/drivers/gpu/drm/drm_edid.c > +++ b/drivers/gpu/drm/drm_edid.c > @@ -116,6 +116,7 @@ static struct edid_quirk { > > /* Proview AY765C */ > { "PTS", 765, EDID_QUIRK_FIRST_DETAILED_PREFERRED }, > + { "PTS", 793, EDID_QUIRK_FIRST_DETAILED_PREFERRED }, > > /* Samsung SyncMaster 205BW. Note: irony */ > { "SAM", 541, EDID_QUIRK_DETAILED_SYNC_PP }, > @@ -1404,7 +1405,9 @@ do_detailed_mode(struct detailed_timing *timing, void *c) > if (!newmode) > return; > > - if (closure->preferred) > + if (closure->preferred || > + ((closure->quirks & EDID_QUIRK_FIRST_DETAILED_PREFERRED) && > + !closure->modes)) > newmode->type |= DRM_MODE_TYPE_PREFERRED; > > drm_mode_probed_add(closure->connector, newmode); _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
