On Fri, May 29, 2015 at 07:03:19PM +0100, Arun Siluvery wrote:
> This patch adds functions to setup WA batch buffers but they are not yet
> enabled in this patch. Some of the WA are to be applied during context save
> but before restore and some at the end of context save/restore but before
> executing the instructions in the ring, WA batch buffers are created for
> this purpose and these WA cannot be applied using normal means.
>
> Signed-off-by: Namrta <namrta.salo...@intel.com>
> Signed-off-by: Arun Siluvery <arun.siluv...@linux.intel.com>
> ---
> drivers/gpu/drm/i915/i915_drv.h | 3 ++
> drivers/gpu/drm/i915/intel_lrc.c | 101
> +++++++++++++++++++++++++++++++++++++++
> 2 files changed, 104 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
> index 731b5ce..dd4b31d 100644
> --- a/drivers/gpu/drm/i915/i915_drv.h
> +++ b/drivers/gpu/drm/i915/i915_drv.h
> @@ -814,6 +814,9 @@ struct intel_context {
>
> /* Execlists */
> bool rcs_initialized;
> + struct intel_ringbuffer *indirect_ctx_wa_bb;
> + struct intel_ringbuffer *per_ctx_wa_bb;
Eh? They are only command sequences whose starting addresses you encode
into the execlists context. Why have you allocated a ringbuf not an
object? Why have you allocated 2 pages when you only need one, and could
even find space elsewhere in the context....
And these should be pinned alongside the context *not permanently*.
I want a debug mode that limits us to say 16M of GGTT space so that
these address space leaks are easier to demonstrate in practice.
-Chris
--
Chris Wilson, Intel Open Source Technology Centre
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
http://lists.freedesktop.org/mailman/listinfo/intel-gfx
