[Bug 91697] [SKL, BIOS upgrade regression] distorted display after resume from suspend
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Thu Aug 27 02:53:05 PDT 2015
https://bugs.freedesktop.org/show_bug.cgi?id=91697
--- Comment #13 from Gary Wang <gary.c.wang at intel.com> ---
Created attachment 117946
--> https://bugs.freedesktop.org/attachment.cgi?id=117946&action=edit
force to check CDCLK in gfx driver during resuming from S3
Hi Timo,
I found BIOS RC 1.4 will enable CDCLK PLL during S3 resume, then Linux gfx
driver would not set CDCLk during its early init cdclk phase. Force to check
CDCLk could avoid display corruption. I verify my patch with test cycle 10
times, it passed the test.
Could you please help to verify it
"0001-drm-i915-force-to-check-CDCLK-during-resuming-from-S.patch" before
official solution from Intel back-end? Thanks!
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