On 2014-10-31 18:28, Takashi Iwai wrote:
At Fri, 31 Oct 2014 12:07:13 +0100,
Jiri Slaby wrote:
On 10/08/2014, 10:09 AM, David Henningsson wrote:
Hi stable maintainers,
These two patches: c149dcb5c60bfea8871f16dfcc0690255eeb825f
drm/i915: provide interface for audio driver to query cdclk
and
e4d9e513dedb5ac4e166c1053314fa935ddecc8c
ALSA: hda - restore BCLK M/N value as per CDCLK for HSW/BDW display HDA
controller
...never seem to have made it into 3.12+ stable kernels. They fix an
issue where playback rate over Haswell HDMI audio can be faster than
normal.
Now, the latter of these two patches requires a restructure of moving
things from hda_intel.c to hda_priv.h, which looked tedious and
potentially error-prone to backport in itself, so instead I rewrote the
function slightly, see attachment.
Do you think this is a reasonable approach?
I seem not to find out a way to apply those to 3.12 cleanly :/. Any
ideas/help appreciated.
FWIW, SLE12 has already three backported patches relevant with this:
patches.drivers/drm-i915-HD-audio-Don-t-continue-probing-when-nomode
for 74b0c2d75fb4cc89173944e6d8f9eb47aca0c343
patches.drivers/drm-i915-provide-interface-for-audio-driver-to-query
for c149dcb5c60bfea8871f16dfcc0690255eeb825f
patches.drivers/hda-0038-restore-BCLK-M-N-value-as-per-CDCLK-for-HSW
for e4d9e513dedb5ac4e166c1053314fa935ddecc8c
The first one changes the i915 function type, so this may conflict
with David's backport.
Hmm, interesting as a reference - is there a public repository where
these patches exist, or is it for Suse's eyes only?
Also is this understanding correct: Jiri makes a stable 3.12 kernel
backport, posts that on kernel.org, and then on top of that, SUSE adds
its own patches (e g with new hardware support as demanded from
customers), and that in turn becomes the SLE12 kernel? And in this case,
the patches made it into the SLE12 patch set, rather than the stable
3.12 patch set?
FYI, Canonical kernel releases follow the same workflow with stable and
distro kernels. (Well, except that our stable kernels are not kernel.org
official ones - I hope that they some day will be though...)
--
David Henningsson, Canonical Ltd.
https://launchpad.net/~diwic
--
To unsubscribe from this list: send the line "unsubscribe stable" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html