[PATCH] drm: mxsfb_crtc: Fix the framebuffer misplacement

[Marek Vasut]

On 02/07/2017 11:15 PM, Daniel Vetter wrote:
> On Tue, Feb 07, 2017 at 10:44:59PM +0100, Marek Vasut wrote:
>> On 02/02/2017 10:26 PM, Fabio Estevam wrote:
>>> From: Fabio Estevam <fabio.estevam at nxp.com>
>>>
>>> Currently the framebuffer content is displayed with incorrect offsets
>>> in both the vertical and horizontal directions.
>>>
>>> The fbdev version of the driver does not show this problem. Breno Lima
>>> dumped the eLCDIF controller registers on both the drm and fbdev drivers
>>> and noticed that the VDCTRL3 register is configured incorrectly in the
>>> drm driver.
>>>
>>> The fbdev driver calculates the vertical and horizontal wait counts
>>> of the VDCTRL3 register by doing: back porch + sync length.
>>>
>>> Looking at the horizontal and vertical timing diagram from 
>>> include/drm/drm_modes.h this value corresponds to:
>>>
>>> crtc_[hv]total - crtc_[hv]sync_start
>>>
>>> So fix the VDCTRL3 register setting accordingly so that the eLCDIF
>>> controller can properly show the framebuffer content in the correct
>>> position.
>>>
>>> Reported-by: Breno Lima <breno.lima at nxp.com>
>>> Signed-off-by: Fabio Estevam <fabio.estevam at nxp.com>
>>
>> Tested-by: Marek Vasut <marex at denx.de>
> 
> You're listed as maintainer in MAINTAINERS, replying with tested-by is
> super confusing. Did you pick this up and will do a pull request?

No

> Do you expect someone else to pick this up?

The last patches for mxsfb were picked by you, but if you expect me to
pick the mxsfb patches through my own tree and then submit PR, I can do
that.


-- 
Best regards,
Marek Vasut