Re: [RESEND PATCH] drm/hisilicon: Ensure LDI regs are properly configured.

2017-08-28 Thread Xinliang Liu
Hi Daniel, On 28 August 2017 at 16:51, Daniel Vetter wrote: > On Mon, Aug 28, 2017 at 04:44:30PM +0800, Xinliang Liu wrote: >> Hi, >> >> On 15 August 2017 at 22:14, Peter Griffin wrote: >> >> > This patch fixes the following soft lockup: >> > BUG: soft lockup - CPU#0 stuck for 23s! [weston:307

Re: [RESEND PATCH] drm/hisilicon: Ensure LDI regs are properly configured.

2017-08-28 Thread Daniel Vetter
On Mon, Aug 28, 2017 at 04:44:30PM +0800, Xinliang Liu wrote: > Hi, > > On 15 August 2017 at 22:14, Peter Griffin wrote: > > > This patch fixes the following soft lockup: > > BUG: soft lockup - CPU#0 stuck for 23s! [weston:307] > > > > On weston idle-timeout the IP is powered down and reset >

[RESEND PATCH] drm/hisilicon: Ensure LDI regs are properly configured.

2017-08-15 Thread Peter Griffin
This patch fixes the following soft lockup: BUG: soft lockup - CPU#0 stuck for 23s! [weston:307] On weston idle-timeout the IP is powered down and reset asserted. On weston resume we get a massive vblank IRQ storm due to the LDI registers having lost some state. This state loss is caused by ade

Re: [RESEND PATCH] drm/hisilicon: Ensure LDI regs are properly configured.

2017-06-29 Thread Greg KH
On Thu, Jun 29, 2017 at 09:54:38PM +0100, Peter Griffin wrote: > This patch fixes the following soft lockup: > BUG: soft lockup - CPU#0 stuck for 23s! [weston:307] > > On weston idle-timeout the IP is powered down and reset > asserted. On weston resume we get a massive vblank > IRQ storm due to

Re: [RESEND PATCH] drm/hisilicon: Ensure LDI regs are properly configured.

2017-06-29 Thread John Stultz
On Thu, Jun 29, 2017 at 1:54 PM, Peter Griffin wrote: > This patch fixes the following soft lockup: > BUG: soft lockup - CPU#0 stuck for 23s! [weston:307] > > On weston idle-timeout the IP is powered down and reset > asserted. On weston resume we get a massive vblank > IRQ storm due to the LDI r

[RESEND PATCH] drm/hisilicon: Ensure LDI regs are properly configured.

2017-06-29 Thread Peter Griffin
This patch fixes the following soft lockup: BUG: soft lockup - CPU#0 stuck for 23s! [weston:307] On weston idle-timeout the IP is powered down and reset asserted. On weston resume we get a massive vblank IRQ storm due to the LDI registers having lost some state. This state loss is caused by ade