31 lines
1.2 KiB
Diff
31 lines
1.2 KiB
Diff
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From e2a696a4cd93c2dbe445243de48ed478fbdb8009 Mon Sep 17 00:00:00 2001
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From: Chris Wilson <chris@chris-wilson.co.uk>
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Date: Fri, 10 Jul 2015 10:41:35 +0100
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Subject: i965: Remove early release of DRI2 miptree
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References: bfo#86281 bko#349519
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intel_update_winsys_renderbuffer_miptree() will release the existing
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miptree when wrapping a new DRI2 buffer, so we can remove the early
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release and so prevent a NULL mt dereference should importing the new
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DRI2 name fail for any reason. (Reusing the old DRI2 name will result
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in the rendering going astray, to a stale buffer, and not shown on the
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screen, but it allows us to issue a warning and not crash much later in
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innocent code.)
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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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---
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src/mesa/drivers/dri/i965/brw_context.c | 1 -
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1 file changed, 1 deletion(-)
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--- a/src/mesa/drivers/dri/i965/brw_context.c
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+++ b/src/mesa/drivers/dri/i965/brw_context.c
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@@ -1417,7 +1417,6 @@ intel_process_dri2_buffer(struct brw_con
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buffer->cpp, buffer->pitch);
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}
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- intel_miptree_release(&rb->mt);
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bo = drm_intel_bo_gem_create_from_name(brw->bufmgr, buffer_name,
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buffer->name);
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if (!bo) {
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