[PATCH V7 00/12] drm/exynos: few patches to enhance bridge chip support

[Ajay kumar]

ping.

On Wed, Aug 27, 2014 at 7:59 PM, Ajay Kumar <ajaykumar.rs at samsung.com> wrote:
> This series is based on master branch of Linus tree at:
> git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
>
> I have tested this after adding few DT changes for exynos5250-snow and
> exynos5420-peach-pit boards.
>
> The V4 series of this particular patchset was also tested by:
> Rahul Sharma <rahul.sharma at samsung.com>
> Javier Martinez Canillas <javier at dowhile0.org>
>
> Changes since V2:
>         -- Address comments from Jingoo Han for ps8622 driver
>         -- Address comments from Daniel, Rob and Thierry regarding
>            bridge chaining
>         -- Address comments from Thierry regarding the names for
>            new drm_panel functions
>
> Changes since V3:
>         -- Remove hotplug based initialization of exynos_dp
>         -- Make exynos_dp work directly with drm_panel, remove
>            dependency on panel_binder
>         -- Minor cleanups in panel_binder and panel_lvds driver
>
> Changes since V4:
>         -- Use gpiod interface for panel-lvds and ps8622 drivers.
>         -- Address comments from Javier.
>         -- Fix compilation issues when PANEL_BINDER is selected as module.
>         -- Split Documentation patches from driver patches.
>         -- Rebase on top of the tree.
>
> Changes since V5:
>         -- Modify bridge drivers to support driver model.
>         -- Drop the concept of bridge chain(sincle there are no 2 real bridges)
>            Hence drop bridge-panel_binder layer.
>         -- Drop panel-lvds driver and accomodate the required changes in
>            panel-simple driver.
>         -- Use gpiod interface in ptn3460 driver.
>         -- Address all comments by Thierry Reding for V5 series.
>         -- Address comments from Sean Paul for exynos_dp_commit issue.
>
> Changes since V6:
>         -- Panel patches were seperated and they are merged already.
>         -- Fix few issues with ptn3460, before modifying the bridge core.
>         -- Modify drm_bridge as per Thierry's comments for V6 series.
>         -- Add drm_bridge changes minimally without breaking existing code.
>         -- Add new features for ptn3460, step-by-step.
>         -- Address comments from Thierry and Andreas for ptn3460 and ps8622.
>         -- Split documentation patches from driver patches.
>
> "[PATCH V7 5/12] drm/exynos: dp: support drm_bridge" introduces following
> Kconfig error:
> drivers/video/fbdev/Kconfig:5:error: recursive dependency detected!
> drivers/video/fbdev/Kconfig:5:  symbol FB is selected by DRM_KMS_FB_HELPER
> drivers/gpu/drm/Kconfig:39:     symbol DRM_KMS_FB_HELPER depends on DRM_KMS_HELPER
> drivers/gpu/drm/Kconfig:33:     symbol DRM_KMS_HELPER is selected by DRM_BRIDGE
> drivers/gpu/drm/bridge/Kconfig:1:       symbol DRM_BRIDGE is selected by DRM_EXYNOS_DP
> drivers/gpu/drm/exynos/Kconfig:53:      symbol DRM_EXYNOS_DP depends on DRM_EXYNOS_FIMD
> drivers/gpu/drm/exynos/Kconfig:28:      symbol DRM_EXYNOS_FIMD depends on FB_S3C
> drivers/video/fbdev/Kconfig:2038:       symbol FB_S3C depends on FB
>
> What's the best way to fix the above ambiguity?
>
> Ajay Kumar (11):
>   [PATCH V7 1/12] drm/bridge: ptn3460: Few trivial cleanups
>   [PATCH V7 2/12] drm/bridge: do not pass drm_bridge_funcs to drm_bridge_init
>   [PATCH V7 3/12] drm/bridge: Add helper functions for drm_bridge
>   [PATCH V7 4/12] drm/bridge: ptn3460: convert to i2c driver model
>   [PATCH V7 5/12] drm/exynos: dp: support drm_bridge
>   [PATCH V7 6/12] drm/bridge: ptn3460: support drm_panel
>   [PATCH V7 7/12] drm/bridge: ptn3460: probe connector at the end of bridge attach
>   [PATCH V7 8/12] drm/bridge: ptn3460: use gpiod interface
>   [PATCH V7 9/12] Documentation: drm: bridge: move to video/bridge
>   [PATCH V7 10/12] Documentation: devicetree: Add vendor prefix for parade
>   [PATCH V7 11/12] Documentation: bridge: Add documentation for ps8622 DT properties
>
> Vincent Palatin (1):
>   [PATCH V7 12/12] drm/bridge: Add i2c based driver for ps8622/ps8625 bridge
>
>  .../devicetree/bindings/drm/bridge/ptn3460.txt     |   27 -
>  .../devicetree/bindings/vendor-prefixes.txt        |    1 +
>  .../devicetree/bindings/video/bridge/ps8622.txt    |   20 +
>  .../devicetree/bindings/video/bridge/ptn3460.txt   |   27 +
>  drivers/gpu/drm/Makefile                           |    1 +
>  drivers/gpu/drm/bridge/Kconfig                     |   30 +-
>  drivers/gpu/drm/bridge/Makefile                    |    1 +
>  drivers/gpu/drm/bridge/ps8622.c                    |  681 ++++++++++++++++++++
>  drivers/gpu/drm/bridge/ptn3460.c                   |  302 +++++----
>  drivers/gpu/drm/drm_bridge.c                       |  102 +++
>  drivers/gpu/drm/drm_crtc.c                         |    9 +-
>  drivers/gpu/drm/exynos/Kconfig                     |    3 +-
>  drivers/gpu/drm/exynos/exynos_dp_core.c            |   54 +-
>  drivers/gpu/drm/exynos/exynos_dp_core.h            |    1 +
>  drivers/gpu/drm/msm/hdmi/hdmi_bridge.c             |    7 +-
>  drivers/gpu/drm/sti/sti_hda.c                      |    3 +-
>  drivers/gpu/drm/sti/sti_hdmi.c                     |    3 +-
>  include/drm/drm_crtc.h                             |   15 +-
>  18 files changed, 1098 insertions(+), 189 deletions(-)
>  delete mode 100644 Documentation/devicetree/bindings/drm/bridge/ptn3460.txt
>  create mode 100644 Documentation/devicetree/bindings/video/bridge/ps8622.txt
>  create mode 100644 Documentation/devicetree/bindings/video/bridge/ptn3460.txt
>  create mode 100644 drivers/gpu/drm/bridge/ps8622.c
>  create mode 100644 drivers/gpu/drm/drm_bridge.c
>
> --
> 1.7.9.5
>