APPLIED Re: [PATCH 0/1][SRU][OEM-6.0/OEM-6.1] Fix flicker display problem on some panels which support PSR2

Timo Aaltonen tjaalton at ubuntu.com
Thu Jan 19 15:12:03 UTC 2023


Chris Chiu kirjoitti 17.1.2023 klo 11.08:
> BugLink: https://bugs.launchpad.net/bugs/2002968
> 
> [Impact]
> On some PSR2 supported panels, which connects to Intel Graphics has flicker symptom. It gets normal after booting the kernel with parameter `i915. enable_psr=0`
> 
> [Fix]
> Backport one patch from upstream. https://cgit.freedesktop.org/drm-tip/commit/drivers/gpu/drm/i915/display/intel_psr.c?id=084aab04cc60e5eab32287d0483c33e12c92da87
> 
> [Test]
> Booting the patched kernel with problematic panel (LGD LCD_VD78M), check if the display has abnormal flickering problem on graphics interfaces.
> 
> [Where problems could occur]
> The risk of regression is low. It only fixes problem on panels which support PSR2.
> 
> Jouni Högander (1):
>    drm/i915/psr: Add continuous full frame bit together with single
> 
>   drivers/gpu/drm/i915/display/intel_psr.c | 19 ++++++++++---------
>   1 file changed, 10 insertions(+), 9 deletions(-)
> 

applied to oem-6.0 and -6.1

don't forget lunar

-- 
t




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