From patchwork Tue Sep 18 18:44:15 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [Quantal] pull-request: i915 backlight control fixes X-Patchwork-Submitter: Kamal Mostafa X-Patchwork-Id: 184795 Message-Id: <1347993855.6818.13.camel@fourier> To: kernel-team Date: Tue, 18 Sep 2012 11:44:15 -0700 From: Kamal Mostafa List-Id: Kernel team discussions These i915 backlight patches (cherry-picked from upstream v3.6-rc1) enable non-functional brightness controls for various laptops including the Dell XPS 13. Bug reference: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/954661 This exact patch set has been in use in the HWE Sputnik kernel PPA for several months[1]. Please consider applying these to Quantal. Thanks, -Kamal [1] https://launchpad.net/~canonical-hwe-team/+archive/sputnik-kernel ---------- The following changes since commit 85ac57fe519d62aaed30b504dccbd7a50a2d68b7: UBUNTU: Start new release (2012-09-18 08:40:48 -0400) are available in the git repository at: git://kernel.ubuntu.com/kamal/ubuntu-quantal.git lp954661 for you to fetch changes up to 895ea8045ef3f5f1f4da689da5e07d8a2f16416e: drm/i915: allow pipe A for lvds on gen4 (2012-09-18 11:20:19 -0700) ---------------------------------------------------------------- Daniel Vetter (4): drm/i915: pnv has a backlight polarity control bit, too drm/i915: clear up backlight #define confusion on gen4+ drm/i915: properly enable the blc controller on the right pipe drm/i915: allow pipe A for lvds on gen4 drivers/gpu/drm/i915/i915_reg.h | 57 +++++++++++++++++++++++------------- drivers/gpu/drm/i915/intel_drv.h | 3 +- drivers/gpu/drm/i915/intel_lvds.c | 34 +++++---------------- drivers/gpu/drm/i915/intel_panel.c | 38 +++++++++++++++++++++++- 4 files changed, 84 insertions(+), 48 deletions(-)