<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Hi Paul,<div class=""><br class=""><div><blockquote type="cite" class=""><div class="">Am 02.02.2021 um 14:42 schrieb Paul Kocialkowski <<a href="mailto:paul.kocialkowski@bootlin.com" class="">paul.kocialkowski@bootlin.com</a>>:</div><br class="Apple-interchange-newline"><div class=""><span style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; display: inline !important;" class="">Hi Nikolaus,</span><br style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><br style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><span style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; display: inline !important;" class="">On Tue 02 Feb 21, 11:50, H. Nikolaus Schaller wrote:</span><br style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><blockquote type="cite" style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class="">Hi Paul,<br class=""><br class=""><blockquote type="cite" class="">Am 02.02.2021 um 10:56 schrieb Paul Kocialkowski <<a href="mailto:paul.kocialkowski@bootlin.com" class="">paul.kocialkowski@bootlin.com</a>>:<br class=""><br class="">Hi Nikolaus,<br class=""><br class="">On Tue 02 Feb 21, 10:18, H. Nikolaus Schaller wrote:<br class=""><blockquote type="cite" class="">Hi,<br class="">since v5.11-rc6 my Pinephone display shows some moiré pattern.<br class=""><br class="">I did a bisect between v5.11-rc5 and v5.11-rc6 and it told me that<br class="">the commit mentioned in the subject is the reason.<br class=""><br class="">Reverting it makes the display work again and re-reverting fail again.<br class=""><br class="">IMHO it seems as if the display DMA of the pinephone (allwinner suni-a54)<br class="">got influenced and stopped to scan the framebuffer.<br class=""><br class="">The only dma-ranges I could find are defined here:<br class=""><br class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi<br class=""><br class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>dma-ranges = <0x00000000 0x40000000 0xc0000000>;<br class=""><br class="">but I can't tell if they are "valid" or not.<br class=""><br class="">Any insights are welcome. And please direct to the right people/mailing lists<br class="">if they are missing.<br class=""></blockquote><br class="">This may not be strictly the same thing, but is this patch in your tree:<br class=""><a href="https://patchwork.kernel.org/project/linux-arm-kernel/patch/20210115175831.1184260-2-paul.kocialkowski@bootlin.com/" class="">https://patchwork.kernel.org/project/linux-arm-kernel/patch/20210115175831.1184260-2-paul.kocialkowski@bootlin.com/</a><br class=""><br class="">If not, it's worth a try to add it.<br class=""></blockquote><br class="">No, it hasn't arrived in v5.11-rc6 (or linux-next) yet.<br class=""><br class="">But it fixes the issue.<br class=""></blockquote><br style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><span style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; display: inline !important;" class="">Great! The patch should already be on its way to the next RC.</span><br style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""></div></blockquote><div><br class=""></div>Fine!</div><div><br class=""><blockquote type="cite" class=""><div class=""><br style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><span style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; display: inline !important;" class="">And nice to see you're active on Pinephone as well!</span></div></blockquote><div><br class=""></div>I have a developer unit and the LetuxOS kernel already supports it a little. This is why I observed the issue with -rc6</div><div><br class=""><blockquote type="cite" class=""><div class=""><span style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; display: inline !important;" class=""> You might remember me from</span><br style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><span style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; display: inline !important;" class="">the Replicant project, as I've worked a bit on the GTA04 :)</span><br style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""></div></blockquote><div><br class=""></div>Sure, you are well remembered :)</div><div><br class=""></div><div>I still have the dream to revitalize Replicant 4.2 for the GTA04 just for fun. I can already boot to Replicant touch screen with a v5.4 kernel. v5.10 fails when trying to spawn zygote...</div><div><br class=""></div></div><div>BR,</div><div>Nikolaus</div><div><br class=""></div></body></html>