[PATCH RFC 00/12] tda998x updates
Robin Murphy
robin.murphy at arm.com
Tue Nov 8 05:19:51 PST 2016
Hi Russell,
On 08/11/16 12:24, Russell King - ARM Linux wrote:
> As no one responded to the previous round, I'm not spending soo much
> time writing up a description of these changes again. It's also been
> quite a long time, so I've forgotten all the details of the changes,
> so I'll do my best.
>
> Changes from the previous series include:
> - reorder the initial three patches
> - change the (now third patch)... I think to increase the size of the
> locked region.
> - fix edid parsing for infoframe generation - as was pointed out for
> dw-hdmi, parsing the EDID in get_modes() is incorrect, as that method
> will not be called when an override-edid is in effect. We need to
> parse the override-edid. Moreover, infoframe generation should not
> be keyed to whether the monitor is HDMI or not, CEA-861B allows non-
> HDMI to send infoframes.
> - only send audio if audio and infoframes are supported.
>
> Otherwise, these are very much like the previous posting of the series,
> except rebased upon the mali/hdlcd/tda998x change to remove the
> drm_connector_register() call.
>
> https://www.spinics.net/lists/dri-devel/msg121495.html
>
> It'd be nice to have other tda998x users ack and test these patches,
I've just merged your drm-tda998x-devel branch and booted it on my Juno,
and I can at least confirm that DVI still seems to still work as before.
Anything in particular I should be looking out for? (Unfortunately the
only handy HDMI monitor is one of those slightly-out-of-spec ones which
has never really worked with the pixel clocks Juno provides)
Robin.
> I've tried to test on Juno, but the Juno situation seems to be a huge
> fail. (HBI0282B completely fails with latest firmware - (a) FPGA image
> incompatibilities io_b118 causes all FPGA AMBA devices to vanish, (b)
> seems no way to get SCPI support on it - adding the BL0 executable
> start address in the SCC registers seems to be incompatible with the
> devchip, causing the PLLs to fail. In discussion with Sudeep over
> these issues, but no idea where things are with it at the moment, other
> than Sudeep needs to investigate. All Linaro firmware releases are
> broken on HBI0282B.)
>
> drivers/gpu/drm/i2c/tda998x_drv.c | 826 ++++++++++++++++++++------------------
> 1 file changed, 429 insertions(+), 397 deletions(-)
>
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