APPLIED: [PATCH 0/1][SRU][L] Fix flicker display problem on some panels which support PSR2
Roxana Nicolescu
roxana.nicolescu at canonical.com
Wed May 17 09:07:47 UTC 2023
On 15/05/2023 05:42, Chris Chiu wrote:
> 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 lunar:master-next. Thanks!
Roxana
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