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intel: Remove unneded pthread mutex in LOCK_HARDWARE.

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This would cause LOCK_HARDWARE to mutex all contexts in this process on
both DRI1 and DRI2.  On DRI1, LOCK_HARDWARE already does it for all
processes on the system.  On DRI2, LOCK_HARDWARE doesn't, but there shouldn't
be any state outside the context that needs any additional protection.
Notably, the bufmgr is protected by its own mutex and not
LOCK_HARDWARE.

This code was originally introduced with the i915tex code dump, so it's not
clear what it was there for.
This commit is contained in:
Eric Anholt 2009-06-29 09:48:28 -07:00
parent 3927874d9c
commit de447afff2
1 changed files with 0 additions and 6 deletions
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6
src/mesa/drivers/dri/intel/intel_context.c
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@ -1038,8 +1038,6 @@ intelContendedLock(struct intel_context *intel, GLuint flags)
}
_glthread_DECLARE_STATIC_MUTEX(lockMutex);
/* Lock the hardware and validate our state.
*/
void LOCK_HARDWARE( struct intel_context *intel )
@ -1054,8 +1052,6 @@ void LOCK_HARDWARE( struct intel_context *intel )
if (intel->locked >= 2)
return;
_glthread_LOCK_MUTEX(lockMutex);
if (intel->driDrawable) {
intel_fb = intel->driDrawable->driverPrivate;
@ -1111,8 +1107,6 @@ void UNLOCK_HARDWARE( struct intel_context *intel )
if (!sPriv->dri2.enabled)
DRM_UNLOCK(intel->driFd, intel->driHwLock, intel->hHWContext);
_glthread_UNLOCK_MUTEX(lockMutex);
if (INTEL_DEBUG & DEBUG_LOCK)
_mesa_printf("%s - unlocked\n", __progname);