Re: [PATCH 1/2] drm/i915: Disable Panel Self Refresh (PSR) by default

[Greg KH <gregkh@linuxfoundation.org>]

On Sun, Mar 29, 2020 at 08:30:56PM -0700, Sultan Alsawaf wrote:
> From: Sultan Alsawaf <sultan@kerneltoast.com>
> 
> On all Dell laptops with panels and chipsets that support PSR (an
> esoteric power-saving mechanism), both PSR1 and PSR2 cause flickering
> and graphical glitches, sometimes to the point of making the laptop
> unusable. Many laptops don't support PSR so it isn't known if PSR works
> correctly on any consumer hardware as of 5.4. PSR was enabled by default
> in 5.0 for capable hardware, so this patch just restores the previous
> functionality of PSR being disabled by default.
> 
> More info is available on the freedesktop bug:
> https://gitlab.freedesktop.org/drm/intel/issues/425
> 
> Cc: <stable@vger.kernel.org> # 5.4.x
> Signed-off-by: Sultan Alsawaf <sultan@kerneltoast.com>
> ---
>  drivers/gpu/drm/i915/i915_params.c | 3 +--
>  drivers/gpu/drm/i915/i915_params.h | 2 +-
>  2 files changed, 2 insertions(+), 3 deletions(-)

What is the git commit id of this patch in Linus's tree?

thanks,

greg k-h