[Letux-kernel] module_mipi_dsi_driver panel with omapdrm?

[David Shah]

If it helps, I can confirm that HDMI was working fine on the uEVM the last time I test 5.7 (I think it was the final rc before release).
David
-------- Original message --------From: "H. Nikolaus Schaller" <hns at goldelico.com> Date: 05/08/2020  12:49  (GMT+00:00) To: Sebastian Reichel <sebastian.reichel at collabora.com> Cc: Laurent Pinchart <laurent.pinchart at ideasonboard.com>, Tony Lindgren <tony at atomide.com>, Tomi Valkeinen <tomi.valkeinen at ti.com>, Linux-OMAP <linux-omap at vger.kernel.org>, Jyri Sarha <jsarha at ti.com>, kernel at pyra-handheld.com, Discussions about the Letux Kernel <letux-kernel at openphoenux.org>, David Shah <dave at ds0.me> Subject: Re: module_mipi_dsi_driver panel with omapdrm? Hi,> Am 05.08.2020 um 13:28 schrieb Sebastian Reichel <sebastian.reichel at collabora.com>:> > Hi,> > On Wed, Aug 05, 2020 at 11:19:20AM +0200, H. Nikolaus Schaller wrote:>> What I do not yet understand is how Laurent's patch should be able>> to break it.> > omapdrm will not probe successfully if any DT enabled component> does not probe correctly. Since the patch you identified touched> HDMI and VENC and you are probably using HDMI, I suggest looking> there first.Yes, that is a very good explanation.Maybe there is a subtle change in how the HDMI connector has to be definedwhich is missing in our (private) DTB. Maybe the OMAP5-uEVM DTS gives a hint.A quick check shows last hdmi specific change for omap5-board-common or uevmwas in 2017 but I may have missed something.There are 715a5a978733f0 and 671ab615bd507f which arrived in v5.7-rc1 as welland are related to hdmi clocks. So this may be (or not) and influencing factor.BR and thanks,Nikolaus
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