On Thu, Nov 18, 2010 at 7:47 PM, Mark Lord <kernel@xxxxxxxxxxxx> wrote: > On 10-11-18 06:50 PM, Rafael J. Wysocki wrote: >> >> This message contains a list of some post-2.6.35 regressions introduced >> before >> 2.6.36, for which there are no fixes in the mainline known to the tracking >> team. >> If any of them have been fixed already, please let us know. >> >> If you know of any other unresolved post-2.6.35 regressions, please let us >> know >> either and we'll add them to the list. Also, please let us know if any >> of the entries below are invalid. > >> Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=21652 >> Subject : several problems with intel graphics since 2.6.36 >> Submitter : Norbert Preining<preining@xxxxxxxx> >> Date : 2010-10-27 14:32 (23 days old) >> Message-ID :<20101027143252.GA8676@xxxxxxxxxxxxxxxxxxxxxxxx> >> References : http://marc.info/?l=linux-kernel&m=128818998630241&w=2 > > That one is interesting to me.. I suspect it may be the same cause > as for https://bugzilla.kernel.org/show_bug.cgi?id=21952 > > I have one of those Samsung (N210) Netbooks here: works fine with 2.6.34 and > earlier, > but fails to come out of suspend on 2.6.35/2.6.36 (haven't tried 2.6.37). > > So perhaps add 21952 to the list, or link it to the 21652 > (kind of amusing how similar the bug numbers are..). > > > My non-Intel graphics notebook (has ATI X1400 graphics) also has a resume > regression with 2.6.36. But it does work fine with 2.6.35 (and earlier, > back many years). As a result, I'm stuck with 2.6.35 for the time being, > and lack the time for a concerted debug effort on 2.6.36+ right now. > Can you bisect? Does this patch help? diff --git a/drivers/gpu/drm/radeon/atom.c b/drivers/gpu/drm/radeon/atom.c index 8e421f6..05efb5b 100644 --- a/drivers/gpu/drm/radeon/atom.c +++ b/drivers/gpu/drm/radeon/atom.c @@ -112,6 +112,7 @@ static uint32_t atom_iio_execute(struct atom_context *ctx, int base, base += 3; break; case ATOM_IIO_WRITE: + (void)ctx->card->ioreg_read(ctx->card, CU16(base + 1)); ctx->card->ioreg_write(ctx->card, CU16(base + 1), temp); base += 3; break; Alex > Cheers > _______________________________________________ > dri-devel mailing list > dri-devel@xxxxxxxxxxxxxxxxxxxxx > http://lists.freedesktop.org/mailman/listinfo/dri-devel > _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
