diff options
| author | Keith Packard <keithp@neko.keithp.com> | 2007-03-15 16:16:16 -0700 |
|---|---|---|
| committer | Keith Packard <keithp@neko.keithp.com> | 2007-03-15 19:32:58 -0700 |
| commit | 3bffb281260476d2f74f0bf451d85d2f7cacd6c4 (patch) | |
| tree | 498c63e004f7a9229de0638e11c991d26d7ca66e | |
| parent | 9562b6abe1da566cf73a08c4f4c4339fb67fbc71 (diff) | |
Don't wedge when rotating more than one CRTC.
Rotation block handler was re-registering the rotation damage structure,
creating an infinite loop in the damage code. Track registration of the
damage structure to avoid this.
(cherry picked from commit b14f003b0ed1252766c9e3b1c086ea2809521047)
| -rw-r--r-- | hw/xfree86/modes/xf86Crtc.h | 3 | ||||
| -rw-r--r-- | hw/xfree86/modes/xf86Rotate.c | 31 |
2 files changed, 20 insertions, 14 deletions
diff --git a/hw/xfree86/modes/xf86Crtc.h b/hw/xfree86/modes/xf86Crtc.h index df8a8aad9..b7515928e 100644 --- a/hw/xfree86/modes/xf86Crtc.h +++ b/hw/xfree86/modes/xf86Crtc.h @@ -529,7 +529,8 @@ typedef struct _xf86CrtcConfig { int maxWidth, maxHeight; /* For crtc-based rotation */ - DamagePtr rotationDamage; + DamagePtr rotation_damage; + Bool rotation_damage_registered; /* DGA */ unsigned int dga_flags; diff --git a/hw/xfree86/modes/xf86Rotate.c b/hw/xfree86/modes/xf86Rotate.c index 6826b6277..e82b69e1b 100644 --- a/hw/xfree86/modes/xf86Rotate.c +++ b/hw/xfree86/modes/xf86Rotate.c @@ -251,9 +251,13 @@ xf86RotatePrepare (ScreenPtr pScreen) crtc->rotatedData, crtc->mode.HDisplay, crtc->mode.VDisplay); - /* Hook damage to screen pixmap */ - DamageRegister (&(*pScreen->GetScreenPixmap)(pScreen)->drawable, - xf86_config->rotationDamage); + if (!xf86_config->rotation_damage_registered) + { + /* Hook damage to screen pixmap */ + DamageRegister (&(*pScreen->GetScreenPixmap)(pScreen)->drawable, + xf86_config->rotation_damage); + xf86_config->rotation_damage_registered = TRUE; + } xf86CrtcDamageShadow (crtc); } @@ -265,7 +269,7 @@ xf86RotateRedisplay(ScreenPtr pScreen) { ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(pScrn); - DamagePtr damage = xf86_config->rotationDamage; + DamagePtr damage = xf86_config->rotation_damage; RegionPtr region; if (!damage) @@ -334,13 +338,14 @@ xf86CrtcRotate (xf86CrtcPtr crtc, DisplayModePtr mode, Rotation rotation) crtc->rotatedData = NULL; } - if (xf86_config->rotationDamage) + if (xf86_config->rotation_damage) { /* Free damage structure */ DamageUnregister (&(*pScreen->GetScreenPixmap)(pScreen)->drawable, - xf86_config->rotationDamage); - DamageDestroy (xf86_config->rotationDamage); - xf86_config->rotationDamage = NULL; + xf86_config->rotation_damage); + xf86_config->rotation_damage_registered = FALSE; + DamageDestroy (xf86_config->rotation_damage); + xf86_config->rotation_damage = NULL; /* Free block/wakeup handler */ RemoveBlockAndWakeupHandlers (xf86RotateBlockHandler, xf86RotateWakeupHandler, @@ -382,13 +387,13 @@ xf86CrtcRotate (xf86CrtcPtr crtc, DisplayModePtr mode, Rotation rotation) xf86CrtcDamageShadow (crtc); } - if (!xf86_config->rotationDamage) + if (!xf86_config->rotation_damage) { /* Create damage structure */ - xf86_config->rotationDamage = DamageCreate (NULL, NULL, + xf86_config->rotation_damage = DamageCreate (NULL, NULL, DamageReportNone, TRUE, pScreen, pScreen); - if (!xf86_config->rotationDamage) + if (!xf86_config->rotation_damage) goto bail2; /* Assign block/wakeup handler */ @@ -402,8 +407,8 @@ xf86CrtcRotate (xf86CrtcPtr crtc, DisplayModePtr mode, Rotation rotation) if (0) { bail3: - DamageDestroy (xf86_config->rotationDamage); - xf86_config->rotationDamage = NULL; + DamageDestroy (xf86_config->rotation_damage); + xf86_config->rotation_damage = NULL; bail2: if (shadow || shadowData) |