[Bug 63914] [hsw hiz] Cycling between GL/X rendering causes a hard hang

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=63914

Chris Wilson <chris at chris-wilson.co.uk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Assignee|chris at chris-wilson.co.uk    |idr at freedesktop.org
         QA Contact|intel-gfx-bugs at lists.freede |
                   |sktop.org                   |
            Summary|[hsw] Cycling between GL/X  |[hsw hiz] Cycling between
                   |rendering causes a hard     |GL/X rendering causes a
                   |hang                        |hard hang
            Product|xorg                        |Mesa
          Component|Driver/intel                |Drivers/DRI/i965

--- Comment #21 from Chris Wilson <chris at chris-wilson.co.uk> ---
Drumroll please...

=0 haswell:/opt/xorg/src/mesa/mesa (master)$ git diff
diff --git a/src/mesa/drivers/dri/intel/intel_context.c
b/src/mesa/drivers/dri/i
index 0a1dd75..65f8738 100644
--- a/src/mesa/drivers/dri/intel/intel_context.c
+++ b/src/mesa/drivers/dri/intel/intel_context.c
@@ -704,7 +704,7 @@ intelInitContext(struct intel_context *intel,

    intel->has_separate_stencil = intel->intelScreen->hw_has_separate_stencil;
    intel->must_use_separate_stencil =
intel->intelScreen->hw_must_use_separate_
-   intel->has_hiz = intel->gen >= 6;
+   intel->has_hiz = intel->gen >= 6 && 0;
    intel->has_llc = intel->intelScreen->hw_has_llc;
    intel->has_swizzling = intel->intelScreen->hw_has_swizzling;

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