On 10/9/19 2:33 PM, Stefan Wahren wrote: > Hi Florian, > > Am 23.09.19 um 20:56 schrieb Florian Fainelli: >> >> On 9/8/2019 8:44 AM, Stefan Wahren wrote: >>> Since release of the new BCM2835 PM driver there has been several reports >>> of V3D probing issues. This is caused by timeouts during powering-up the >>> GRAFX PM domain: >>> >>> bcm2835-power: Timeout waiting for grafx power OK >>> >>> I was able to reproduce this reliable on my Raspberry Pi 3B+ after setting >>> force_turbo=1 in the firmware configuration. Since there are no issues >>> using the firmware PM driver with the same setup, there must be an issue >>> in the BCM2835 PM driver. >>> >>> Unfortunately there hasn't been much progress in identifying the root cause >>> since June (mostly in the lack of documentation), so i decided to switch >>> back until the issue in the BCM2835 PM driver is fixed. >>> >>> Link: https://github.com/raspberrypi/linux/issues/3046 >>> Fixes: e1dc2b2e1bef (" ARM: bcm283x: Switch V3D over to using the PM driver instead of firmware.") >>> Cc: stable@xxxxxxxxxxxxxxx >>> Signed-off-by: Stefan Wahren <wahrenst@xxxxxxx> >> Applied to devicetree/fixes, thanks! > > i noticed that X hangs with recent Raspbian and Linux 5.4-rc2 after this > revert has been applied. > > Is there a chance to drop the revert? I have not sent anything yet as I wanted to get some testing done on other platforms, so yes, I can definitively drop that particular changes from devicetree/fixes and not send it for a 5.4-rc3 pull request. Does that work for you? -- Florian _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel