Re: [Intel-gfx] [PATCH RFC] Revert "drm/i915: Try to use fast+narrow link on eDP again and fall back to the old max strategy on failure"

2021-05-11 Thread Paul Zimmerman
On Mon, May 10, 2021 at 7:00 AM Timo Aaltonen wrote: > > On 9.5.2021 7.43, Paul Zimmerman wrote: > > This reverts commit 2bbd6dba84d44219387df051a1c799b7bac46099. > > > > Since 5.12-rc2, my Dell XPS-15 laptop has had a blank screen on boot. > > The system seems to

Re: [Intel-gfx] [PATCH RFC] Revert "drm/i915: Try to use fast+narrow link on eDP again and fall back to the old max strategy on failure"

2021-05-10 Thread Paul Zimmerman
On Sat, May 8, 2021 at 9:44 PM Paul Zimmerman wrote: > > This reverts commit 2bbd6dba84d44219387df051a1c799b7bac46099. > > Since 5.12-rc2, my Dell XPS-15 laptop has had a blank screen on boot. > The system seems to run fine other than having no display, I am able > to ssh i

[Intel-gfx] [PATCH RFC] Revert "drm/i915: Try to use fast+narrow link on eDP again and fall back to the old max strategy on failure"

2021-05-10 Thread Paul Zimmerman
d the problem down to this commit, and reverting it fixes the problem. Signed-off-by: Paul Zimmerman --- I am attaching the dmesg log from 5.12.0 when the problem occurs. Any other debugging info you want me to provide? .../drm/i915/display/intel_display_types.h| 1 - drivers/gpu/drm/i915/di

Re: [Intel-gfx] Regression: bisected: commit 7c510133d93 breaks video

2013-09-20 Thread Paul Zimmerman
> From: Dave Airlie [mailto:airl...@gmail.com] > Sent: Thursday, September 19, 2013 1:15 PM > > On Fri, Sep 20, 2013 at 6:10 AM, Daniel Vetter wrote: > > On Thu, Sep 19, 2013 at 06:32:47PM +0000, Paul Zimmerman wrote: > >> > From: Paul Zimmerman > >> > S

Re: [Intel-gfx] Regression: bisected: commit 7c510133d93 breaks video

2013-09-20 Thread Paul Zimmerman
> From: Paul Zimmerman > Sent: Thursday, September 19, 2013 11:21 AM > > > From: Dave Airlie [mailto:airl...@gmail.com] > > Sent: Wednesday, September 18, 2013 7:40 PM > > > > On Thu, Sep 19, 2013 at 12:02 PM, Paul Zimmerman > > wrote: > > > I

[Intel-gfx] Regression: bisected: commit 7c510133d93 breaks video

2013-09-20 Thread Paul Zimmerman
I have an ASUS P6X58D-Premium mobo with a GeForce 9400GT PCIe video card. With kernel 3.12-rc1, I get scrambled video on boot. Kernel 3.11 works fine. Bisecting this, I found 7c510133d93dd6f15ca040733ba7b2891ed61fd1 "drm: mark context support as a legacy subsystem" is the guilty commit. If I rever