BSP stable update

BSP stable update from the Raspberry Foundation mainly consisting of fixes (for drm and the framebuffer) and it contains the driver for a new audio HAT.

Tested on my RaspberryPI2&3 boards.

The following changes since commit ae29bdd4a627091bf7e18e3af0e9a528f392e9bd:

  UBUNTU: Ubuntu-raspi2-4.4.0-1032.39 (2016-11-09 15:28:50 +0000)

are available in the git repository at:

  git://git.launchpad.net/~p-pisati/ubuntu/+source/linux x-raspi2-next

for you to fetch changes up to fab4769715bfea3f8539dcdbfac08000d22a1794:

  BCM2835-v4l2: Fix a conformance test failure (2016-12-05 12:32:17 +0100)

----------------------------------------------------------------
Dan Carpenter (1):
      drm/vc4: Fix a couple error codes in vc4_cl_lookup_bos()

Daniel Vetter (1):
      drm/vc4: Use drm_gem_object_unreference_unlocked

Dave Stevenson (1):
      BCM2835-v4l2: Fix a conformance test failure

Eric Anholt (12):
      drm/vc4: Fix up the limited range RGB output commit.
      drm/vc4: Increase timeout for HDMI_SCHEDULER_CONTROL changes.
      drm/vc4: Fix support for interlaced modes on HDMI.
      clk: bcm2835: Clamp the PLL's requested rate to the hardware limits.
      drm/vc4: Set up the AVI and SPD infoframes.
      drm/vc4: Add support for double-clocked modes.
      drm/vc4: Fix memory leak of the CRTC state.
      drm/vc4: Fix termination of the initial scan for branch targets.
      drm/vc4: Add support for rendering with ETC1 textures.
      drm/vc4: Use runtime autosuspend to avoid thrashing V3D power state.
      drm/vc4: Use drm_malloc_ab to fix large rendering jobs.
      drm/vc4: Free hang state before destroying BO cache.

Giedrius Trainavicius (1):
      pisound: Fix a warning in DEBUG builds

Jonas Pfeil (1):
      drm/vc4: Add fragment shader threading support

Mario Kleiner (5):
      drm/vc4: Disallow interlaced modes on DPI.
      drm/vc4: Fix handling of interlaced video modes.
      drm/vc4: Reject doublescan modes.
      drm/vc4: Enable precise vblank timestamping for interlaced modes.
      drm/vc4: Enable/Disable vblanks properly in crtc en/disable.

Matt Flax (1):
      [Audioinjector] Fix bit offsets for equal volume and add 8 kHz operation (#1727)

Paolo Pisati (1):
      UBUNTU: [Config] SND_PISOUND=m

Phil Elwell (7):
      BCM270X_DT: Update CM3 to use sdhost interface
      spi-bcm2835: Remove unused code
      ARM: dts: Visit overlays subdir unconditionally
      config: Add ABX80X RTC driver and overlay
      config: Add AK4554 audio codec driver
      ARM: dts: Restore dtbs_install functionality
      BCM270X_DT: Update UART0 clock-frequency

gtrainavicius (1):
      Support for Blokas Labs pisound board

popcornmix (9):
      config: Add CONFIG_HTU21 module
      bcm2708_fb: Add ioctl for reading gpu memory through dma
      rpi-ft5406: Create coherent buffer and push to firmware
      brcmvirt_gpio: Create coherent buffer and push to firmware
      brcmvirt_gpio: Pass device structure into dma_zalloc_coherent
      rpi-ft5406: Pass device structure into dma_zalloc_coherent
      fixup: fb: Use basic types for dma addresses as these are also included from user code
      fb: Use correct bus address for dest of dma memcpy
      fb: Use struct device for dma_alloc_coherent

 .../devicetree/bindings/vendor-prefixes.txt | 1 +
 arch/arm/boot/dts/Makefile | 6 +-
 arch/arm/boot/dts/bcm2708_common.dtsi | 2 +-
 arch/arm/boot/dts/bcm2710-rpi-cm3.dts | 9 +-
 arch/arm/boot/dts/overlays/Makefile | 1 +
 arch/arm/boot/dts/overlays/README | 18 +-
 arch/arm/boot/dts/overlays/i2c-rtc-overlay.dts | 12 +-
 arch/arm/boot/dts/overlays/pisound-overlay.dts | 114 +++
 arch/arm/configs/bcm2709_defconfig | 4 +
 arch/arm/configs/bcmrpi_defconfig | 4 +
 debian.raspi2/config/config.common.ubuntu | 1 +
 drivers/clk/bcm/clk-bcm2835.c | 11 +-
 drivers/gpio/gpio-bcm-virt.c | 89 +-
 drivers/gpu/drm/vc4/vc4_bo.c | 2 -
 drivers/gpu/drm/vc4/vc4_crtc.c | 103 ++-
 drivers/gpu/drm/vc4/vc4_dpi.c | 11 +
 drivers/gpu/drm/vc4/vc4_drv.c | 11 +-
 drivers/gpu/drm/vc4/vc4_drv.h | 2 +
 drivers/gpu/drm/vc4/vc4_gem.c | 40 +-
 drivers/gpu/drm/vc4/vc4_hdmi.c | 179 +++-
 drivers/gpu/drm/vc4/vc4_regs.h | 10 +
 drivers/gpu/drm/vc4/vc4_v3d.c | 2 +
 drivers/gpu/drm/vc4/vc4_validate.c | 24 +-
 drivers/gpu/drm/vc4/vc4_validate_shaders.c | 82 +-
 drivers/input/touchscreen/rpi-ft5406.c | 152 ++--
 drivers/media/platform/bcm2835/bcm2835-camera.c | 1 +
 drivers/spi/spi-bcm2835.c | 66 --
 drivers/video/fbdev/bcm2708_fb.c | 109 +++
 include/soc/bcm2835/raspberrypi-firmware.h | 2 +
 include/uapi/drm/vc4_drm.h | 2 +
 include/uapi/linux/fb.h | 7 +
 sound/soc/bcm/Kconfig | 6 +
 sound/soc/bcm/Makefile | 2 +
 sound/soc/bcm/audioinjector-pi-soundcard.c | 16 +-
 sound/soc/bcm/pisound.c | 987 +++++++++++++++++++++
 35 files changed, 1820 insertions(+), 268 deletions(-)
 create mode 100644 arch/arm/boot/dts/overlays/pisound-overlay.dts
 create mode 100644 sound/soc/bcm/pisound.c