On Tue, Oct 8, 2013 at 10:19 PM, Rob Clark <robdclark@xxxxxxxxx> wrote: > On Tue, Oct 8, 2013 at 3:57 PM, Guillaume CLÉMENT <gclement@xxxxxxxxxx> wrote: >> On Wed, Aug 07, 2013 at 01:41:25PM -0400, Rob Clark wrote: >>> Signed-off-by: Rob Clark <robdclark@xxxxxxxxx> >>> --- >>> drivers/gpu/drm/gma500/gtt.c | 38 ++++++-------------------------------- >>> 1 file changed, 6 insertions(+), 32 deletions(-) >>> [ snip ] >> >> This is quite late to report, but I've just begun testing 3.12, and this >> patch makes my screen garbled when using the modesetting xorg driver. >> >> So far it looks like the buffer that the xorg driver gets is >> not the one that is actually mapped by the kernel. >> >> I'm currently trying to know what exactly causes the problem, but I don't >> know anything about the internals here... >> > > could you try this small patch.. I think I missed something w/ my > original patch (sorry, no hw to test on here): > > ---------- > diff --git a/drivers/gpu/drm/gma500/gtt.c b/drivers/gpu/drm/gma500/gtt.c > index 92babac..2db731f 100644 > --- a/drivers/gpu/drm/gma500/gtt.c > +++ b/drivers/gpu/drm/gma500/gtt.c > @@ -204,6 +204,7 @@ static int psb_gtt_attach_pages(struct gtt_range *gt) > if (IS_ERR(pages)) > return PTR_ERR(pages); > > + gt->npage = gt->gem.size / PAGE_SIZE; > gt->pages = pages; > > return 0; > ---------- > Rob, if this works, can you please make sure it goes into Dave's tree. I'm currently travelling and I'll be away for at least one week. Thanks Patrik _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
