[PATCH 0/2][SRU][U/OEM-5.10/OEM-5.13/OEM-5.14] UBUNTU: SAUCE: Fix A yellow screen pops up in an instant (< 1 second) and then disappears before loading the system

Koba Ko koba.ko at canonical.com
Mon Oct 4 05:44:03 UTC 2021


Lack of for H/I, will sru v2.
On Mon, Oct 4, 2021 at 11:45 AM Koba Ko <koba.ko at canonical.com> wrote:
>
> BugLink: https://bugs.launchpad.net/bugs/1945932
>
> [Impact]
> *** this issue happen with secure boot on and issue gone when secure boot is off***
>
> After the BIOS loading screen, a yellow screen pops up in an instant (< 1 second) and then disappears. Attached a demo video.
>
> [Fix]
> do what intel_color_commit() does to make sure the bottom color state
> matches whatever out hardware readout produced.
> Ref. https://patchwork.freedesktop.org/patch/456170/?series=95171&rev=1
>
> [Test]
> 1. Power on the system
> 2. Check if any unusual screen shows before and after the system loading screen.
> 3. No unusual screen shows before and after the system loading screen
>
> [Regression Potential]
> Medium, maintainer still not totally sure what should do about color management
> features here in general.
>
> Ville Syrjälä (1):
>   UBUNTU: SAUCE: drm/i915: Stop force enabling pipe bottom color
>     gammma/csc
>
>  drivers/gpu/drm/i915/display/intel_display.c | 9 ++-------
>  1 file changed, 2 insertions(+), 7 deletions(-)
>
> --
> 2.25.1
>



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