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Disable end of buffer fixup by default. New DDX does not need this, and

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since batch_len is unused by Linux driver, it seems that it is sometimes
gets passed wrong. This causes command buffer corruption and GPU hung.

Old GEMified DDX drivers that needs this workaround are not supported.

MFC after:	1 month
This commit is contained in:
Konstantin Belousov 2012-05-28 13:58:08 +00:00
parent 886add7764
commit 46932515ac
1 changed files with 1 additions and 1 deletions
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sys/dev/drm2/i915/i915_gem_execbuffer.c
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@ -1090,7 +1090,7 @@ DRM_DEBUG("batchbuffer does not end by MI_BATCH_BUFFER_END, overwriting last bo
pmap_unmapdev((vm_offset_t)mkva, 2 * PAGE_SIZE);
}
int i915_fix_mi_batchbuffer_end = 1;
int i915_fix_mi_batchbuffer_end = 0;
static int
i915_reset_gen7_sol_offsets(struct drm_device *dev,