On 05/06/15 11:34, Arun Siluvery wrote:
> Some of the WA applied using WA batch buffers perform writes to scratch page.
> In the current flow WA are initialized before scratch obj is allocated.
> This patch reorders intel_init_pipe_control() to have a valid scratch obj
> before we initialize WA.
>
> Signed-off-by: Michel Thierry <[email protected]>
> Signed-off-by: Arun Siluvery <[email protected]>
> ---
> drivers/gpu/drm/i915/intel_lrc.c | 7 ++++++-
> 1 file changed, 6 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_lrc.c
> b/drivers/gpu/drm/i915/intel_lrc.c
> index 0b3422a..20c56e4 100644
> --- a/drivers/gpu/drm/i915/intel_lrc.c
> +++ b/drivers/gpu/drm/i915/intel_lrc.c
> @@ -1562,11 +1562,16 @@ static int logical_render_ring_init(struct drm_device
> *dev)
> ring->emit_bb_start = gen8_emit_bb_start;
>
> ring->dev = dev;
> +
> + ret = intel_init_pipe_control(ring);
> + if (ret)
> + return ret;
> +
> ret = logical_ring_init(dev, ring);
> if (ret)
> return ret;
>
> - return intel_init_pipe_control(ring);
> + return 0;
> }
You could squash the last several lines down to just:
return logical_ring_init(dev, ring);
.Dave.
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