ACK: [SRU][N][PATCH 0/8] Add some PSR2 quirks to avoid panel flickering issues

[Aaron Jauregui]

On Wed, Aug 14, 2024 at 05:16:35PM +0800, En-Wei Wu wrote:
> BugLink: https://bugs.launchpad.net/bugs/2069993
> 
> SRU verification:
> 
> [Impact]
> There are some panel flickering problems in the Dell OEM project for
> some panels. It's a regression happened between 6.8.0-35-generic and
> 6.8.0-38-generic.
> 
> For now, we apply the workaround patches to fix the bug.
> In the meantime, we've reported the issue to Intel and are waiting for the fix.
> Once the fix is available in the mainline kernel, we'll backport the fix into
> this kernel and revert the workaround patches.
> 
> Upstream bug: https://gitlab.freedesktop.org/drm/intel/-/issues/9739
> 
> [Fix]
> Apply workaround patches
> 
> [Test Plan]
> Boot into the machines with flickering problems. 
> The flickering graphic is gone after applying the workaround patches.
> 
> [Where problems could occur]
> There might be a regression for these panels.
> 
> En-Wei Wu (8):
>   UBUNTU: SAUCE: drm/i915/display/psr: add a psr2 disable quirk table
>   UBUNTU: SAUCE: drm/i915/display/psr: disable psr2 for
>     panel_0x4d_0x10_0x93_0x15
>   UBUNTU: SAUCE: drm/i915/display/psr: disable psr2 for
>     panel_0x30_0xe4_0x8b_0x07
>   UBUNTU: SAUCE: drm/i915/display/psr: disable psr2 for
>     panel_0x30_0xe4_0x78_0x07
>   UBUNTU: SAUCE: drm/i915/display/psr: disable psr2 for
>     panel_0x30_0xe4_0x8c_0x07
>   UBUNTU: SAUCE: drm/i915/display/psr: disable psr2 for
>     panel_0x06_0xaf_0x9a_0xf9
>   UBUNTU: SAUCE: drm/i915/display/psr: disable psr2 for
>     panel_0x4d_0x10_0x8f_0x15
>   UBUNTU: SAUCE: drm/i915/display/psr: disable psr2 for
>     panel_0x06_0xaf_0xa3_0xc3
> 
>  drivers/gpu/drm/i915/display/intel_dp.c  | 11 ++++++
>  drivers/gpu/drm/i915/display/intel_dp.h  |  2 +
>  drivers/gpu/drm/i915/display/intel_psr.c | 47 ++++++++++++++++++++++++
>  3 files changed, 60 insertions(+)

Acked-by: Aaron Jauregui <aaron.jauregui at canonical.com>