Re: [PATCH v4 00/22] drm: mxsfb: Add i.MX7 support

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On 2020-07-27 04:06, Laurent Pinchart wrote:
> Hello,
> 
> This patch series adds i.MX7 support to the mxsfb driver. The eLCDIF
> instance found in the i.MX7 is backward-compatible with the already
> supported LCDC v4, but has extended features amongst which the most
> notable one is a second plane.
> 
> The first 10 patches (01/22 to 10/22) contain miscellaneous cleanups and
> refactoring to prepare for what is to come. Patch 11/22 starts the real
> work with removal of the DRM simple display pipeline helper, as it
> doesn't support multiple planes. The next patch (12/22) is an additional
> cleanup.
> 
> Patches 13/22 to 15/22 fix vblank handling that I found to be broken
> when testing on my device. Patch 16/22 then performs an additional small
> cleanup, and patch 17/22 starts official support for i.MX7 by mentioning
> it in Kconfig.
> 
> Patch 18/22 adds a new device model for the i.MX6SX and i.MX7 eLCDIF.
> After three additional cleanups in patches 19/22 to 21/22, patch 22/22
> finally adds support for the second plane.
> 
> The second plane suffers from an issue whose root cause hasn't been
> found, which results in the first 64 bytes of the first line to contain
> data of unknown origin. Help from NXP to diagnose this issue would be
> useful and appreciated.
> 
> Compared to v3, the series has been rebased on the latest drm-misc,
> without any other modifications.
> 
> The code is based on drm-misc-next and has been tested on an i.MX7D
> platform with a DPI panel.

Applied the series to drm-misc-next! Thanks Laurent!

--
Stefan

> 
> Laurent Pinchart (22):
>   drm: mxsfb: Remove fbdev leftovers
>   drm: mxsfb: Use drm_panel_bridge
>   drm: mxsfb: Use BIT() macro to define register bitfields
>   drm: mxsfb: Remove unused macros from mxsfb_regs.h
>   drm: mxsfb: Clarify format and bus width configuration
>   drm: mxsfb: Pass mxsfb_drm_private pointer to mxsfb_reset_block()
>   drm: mxsfb: Use LCDC_CTRL register name explicitly
>   drm: mxsfb: Remove register definitions from mxsfb_crtc.c
>   drm: mxsfb: Remove unneeded includes
>   drm: mxsfb: Rename mxsfb_crtc.c to mxsfb_kms.c
>   drm: mxsfb: Stop using DRM simple display pipeline helper
>   drm: mxsfb: Move vblank event arm to CRTC .atomic_flush()
>   drm: mxsfb: Don't touch AXI clock in IRQ context
>   drm: mxsfb: Enable vblank handling
>   drm: mxsfb: Remove mxsfb_devdata unused fields
>   drm: mxsfb: Add i.MX7 and i.MX8M to the list of supported SoCs in
>     Kconfig
>   drm: mxsfb: Update internal IP version number for i.MX6SX
>   drm: mxsfb: Drop non-OF support
>   drm: mxsfb: Turn mxsfb_set_pixel_fmt() into a void function
>   drm: mxsfb: Merge mxsfb_set_pixel_fmt() and mxsfb_set_bus_fmt()
>   drm: mxsfb: Remove unnecessary spaces after tab
>   drm: mxsfb: Support the alpha plane
> 
>  drivers/gpu/drm/mxsfb/Kconfig      |   8 +-
>  drivers/gpu/drm/mxsfb/Makefile     |   2 +-
>  drivers/gpu/drm/mxsfb/mxsfb_crtc.c | 343 -----------------
>  drivers/gpu/drm/mxsfb/mxsfb_drv.c  | 254 ++++---------
>  drivers/gpu/drm/mxsfb/mxsfb_drv.h  |  42 ++-
>  drivers/gpu/drm/mxsfb/mxsfb_kms.c  | 571 +++++++++++++++++++++++++++++
>  drivers/gpu/drm/mxsfb/mxsfb_out.c  |  99 -----
>  drivers/gpu/drm/mxsfb/mxsfb_regs.h | 103 +++---
>  8 files changed, 739 insertions(+), 683 deletions(-)
>  delete mode 100644 drivers/gpu/drm/mxsfb/mxsfb_crtc.c
>  create mode 100644 drivers/gpu/drm/mxsfb/mxsfb_kms.c
>  delete mode 100644 drivers/gpu/drm/mxsfb/mxsfb_out.c
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