Re: [PATCH v3] drm: mxsfb_crtc: Reset the eLCDIF controller

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Hi Marek,

On Fri, May 5, 2017 at 3:01 PM, Fabio Estevam <fabio.estevam@xxxxxxx> wrote:
> According to the eLCDIF initialization steps listed in the MX6SX
> Reference Manual the eLCDIF block reset is mandatory.
>
> Without performing the eLCDIF reset the display shows garbage content
> when the kernel boots.
>
> In earlier tests this issue has not been observed because the bootloader
> was previously showing a splash screen and the bootloader display driver
> does properly implement the eLCDIF reset.
>
> Add the eLCDIF reset to the driver, so that it can operate correctly
> independently of the bootloader.
>
> Tested on a imx6sx-sdb board.
>
> Cc: <stable@xxxxxxxxxxxxxxx>
> Signed-off-by: Fabio Estevam <fabio.estevam@xxxxxxx>
> ---
> Changes since v2:
>
> - Remove unneeded udelay(1) - Marek

Any comments about v3?



[Index of Archives]     [Linux Kernel]     [Kernel Development Newbies]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite Hiking]     [Linux Kernel]     [Linux SCSI]