andreacavalli/xserver-multidpi
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xfree86: Fix RandR rotation across server generations

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245cb8e94f fixed xf86RotateDestroy() to actually run its teardown
code, causing the Damage object to properly be re-allocated after a
server regeneration. However the block that does that still thinks the
Rotate layer BlockHandler is wrapped from the last generation, meaning
the shadow pixmap is never re-allocated and the Damage object is never
re-registered, causing a blank screen, and potentially a driver crash
on the next teardown after the server asks it to free a 0x0 Pixmap.

Signed-off-by: Pierre-Loup A. Griffais <pgriffais@nvidia.com>
Reviewed-by: Aaron Plattner <aplattner@nvidia.com>
Signed-off-by: Keith Packard <keithp@keithp.com>
This commit is contained in:
Pierre-Loup A. Griffais 2011-11-04 23:26:25 -07:00 committed by Keith Packard
parent bfa2a1857a
commit a551f126cc
1 changed files with 3 additions and 0 deletions
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hw/xfree86/modes/xf86Crtc.c
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@ -807,6 +807,9 @@ xf86CrtcScreenInit (ScreenPtr screen)
config->CloseScreen = screen->CloseScreen;
screen->CloseScreen = xf86CrtcCloseScreen;
/* This might still be marked wrapped from a previous generation */
config->BlockHandler = NULL;
#ifdef XFreeXDGA
_xf86_di_dga_init_internal(screen);