Am Montag, den 23.08.2010, 10:19 -0400 schrieb Adam Jackson: > Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=16651 > > Signed-off-by: Adam Jackson <ajax@xxxxxxxxxx> > --- > drivers/gpu/drm/drm_modes.c | 5 ++++- > 1 files changed, 4 insertions(+), 1 deletions(-) > > diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c > index f1f473e..949326d 100644 > --- a/drivers/gpu/drm/drm_modes.c > +++ b/drivers/gpu/drm/drm_modes.c > @@ -251,7 +251,10 @@ struct drm_display_mode *drm_cvt_mode(struct drm_device *dev, int hdisplay, > drm_mode->htotal = drm_mode->hdisplay + CVT_RB_H_BLANK; > /* Fill in HSync values */ > drm_mode->hsync_end = drm_mode->hdisplay + CVT_RB_H_BLANK / 2; > - drm_mode->hsync_start = drm_mode->hsync_end = CVT_RB_H_SYNC; > + drm_mode->hsync_start = drm_mode->hsync_end - CVT_RB_H_SYNC; > + /* Fill in VSync values */ > + drm_mode->vsync_start = drm_mode->vdisplay + CVT_RB_VFPORCH; > + drm_mode->vsync_end = drm_mode->vsync_start + vsync; > } > /* 15/13. Find pixel clock frequency (kHz for xf86) */ > drm_mode->clock = drm_mode->htotal * HV_FACTOR * 1000 / hperiod; Do you know if that was an regression in libdrm and if that patch might also fix #26294 [1]? DebPkg:libdrm2 was upgraded during that time from 2.4.14 too. Unfortunately I do not know how to rebuild that package with the patch applied and to test it. If you know a live CD having this patch applied I could test it though. Thanks, Paul [1] http://bugs.freedesktop.org/show_bug.cgi?id=26294 [2] http://packages.debian.org/changelogs/pool/main/libd/libdrm/libdrm_2.4.21-1~squeeze2/changelog
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