[Openchrome-devel] [Bug 100679] Garbled graphics when resuming from standby

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=100679

--- Comment #25 from latalante at cock.li ---
(In reply to Kevin Brace from comment #24)

> Just for my reference, it will be helpful to know the laptop model you are
> using
It is MiTAC Notebook PC. Probably not much explain.

> 1) Hardware cursor disappears when resuming
It may not matter, but I get warnings when compiling (Xorg 1.19.3, gcc 6.3.1).

via_display.c: In function ‘iga1_crtc_commit’:
via_display.c:3848:9: warning: ‘xf86_reload_cursors’ is deprecated
[-Wdeprecated-declarations]
         xf86_reload_cursors(crtc->scrn->pScreen);
         ^~~~~~~~~~~~~~~~~~~
In file included from via_driver.h:54:0,
                 from via_display.c:32:
/usr/include/xorg/xf86Crtc.h:991:37: note: declared here
 static _X_INLINE _X_DEPRECATED void xf86_reload_cursors(ScreenPtr screen) {}
                                     ^~~~~~~~~~~~~~~~~~~
via_display.c: In function ‘iga2_crtc_commit’:
via_display.c:4254:9: warning: ‘xf86_reload_cursors’ is deprecated
[-Wdeprecated-declarations]
         xf86_reload_cursors(crtc->scrn->pScreen);
         ^~~~~~~~~~~~~~~~~~~
In file included from via_driver.h:54:0,
                 from via_display.c:32:
/usr/include/xorg/xf86Crtc.h:991:37: note: declared here
 static _X_INLINE _X_DEPRECATED void xf86_reload_cursors(ScreenPtr screen) {}
                                     ^~~~~~~~~~~~~~~~~~~

> 2) VT screen goes completely dark when entering it after resuming from
> standby
Not exactly, VT (Console: VGA 80x25) disappears after startup Xorg.

All in all current version it is the best possible configuration (loss of lost
Xv after resuming).
I also tried the KMS version (drm-openchrome), without success. Xorg did not
want to run.
"xf86EnableIOPorts: failed to set IOPL for I/O (Operation not permitted)"
or
"unable to map MMIO permission denied"
Maybe it was related to kernel config (CONFIG_STRICT_DEVMEM,
CONFIG_IO_STRICT_DEVMEM) or the xorg version was too new.

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