Hi Adam.
On Mon, Jun 15, 2020 at 09:53:45AM -0500, Adam Ford wrote:
On Mon, Jun 15, 2020 at 9:46 AM Fabio Estevam festevam@gmail.com wrote:
On Mon, Jun 15, 2020 at 10:19 AM Adam Ford aford173@gmail.com wrote:
The LogicPD Type28 display used by several Logic PD products has not worked since v5.5.
Maybe you could tell which commit exactly and then put a Fixes tag?
I honestly don't know. I reached out to the omap mailing list, because I noted this issue. Tomi V from TI responded with a link that he posted which fixes this for another display.
https://www.mail-archive.com/dri-devel@lists.freedesktop.org/msg312208.html
I tested that patch and it worked for a different LCD, so I did the same thing to the Logic PD Type 28 display as well.
My patch and commit message were modeled after his, and his commit CC's stable with a note about being required for v5.5+
I added him to the CC list, so maybe he knows which hash needs to be referenced from a fixes tag. I was hoping to not have to go back and bisect if it's not required, but I will if necessary.
git blame is your friend - the panel was added here: 0d35408afbeb6 (Adam Ford 2019-10-16 08:51:45 -0500 2469) static const struct panel_desc logicpd_type_28 = { 0d35408afbeb6 (Adam Ford 2019-10-16 08:51:45 -0500 2470) .modes = &logicpd_type_28_mode, 0d35408afbeb6 (Adam Ford 2019-10-16 08:51:45 -0500 2471) .num_modes = 1, 0d35408afbeb6 (Adam Ford 2019-10-16 08:51:45 -0500 2472) .bpc = 8, 0d35408afbeb6 (Adam Ford 2019-10-16 08:51:45 -0500 2473) .size = { 0d35408afbeb6 (Adam Ford 2019-10-16 08:51:45 -0500 2474) .width = 105, 0d35408afbeb6 (Adam Ford 2019-10-16 08:51:45 -0500 2475) .height = 67, 0d35408afbeb6 (Adam Ford 2019-10-16 08:51:45 -0500 2476) },
So this gives us fllowing fixes info: Fixes: 0d35408afbeb ("drm/panel: simple: Add Logic PD Type 28 display support") Cc: Adam Ford aford173@gmail.com Cc: Sam Ravnborg sam@ravnborg.org Cc: Thierry Reding thierry.reding@gmail.com Cc: dri-devel@lists.freedesktop.org Cc: stable@vger.kernel.org # v5.6+
I have adjusted the changelog to say 5.6 and applied to drm-misc-fixes
Sam