On Mon, 18 Dec 2017, Mika Kahola <[email protected]> wrote:
> We may have fused or unused pipes in our system. Let's check that the pipe
> in question is within limits of accessible pipes. In case, that we are not
> able to access the pipe, we return early with a warning.
>
> v2: Rephrasing of the commit message (Jani)
>
> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=103206
> Reported-by: Thomas Gleixner <[email protected]>
> Tested-by: Jaswinder Singh Rajput <[email protected]>
> Suggested-by: Jani Nikula <[email protected]>
> Reviewed-by: Jani Nikula <[email protected]>
> Signed-off-by: Mika Kahola <[email protected]>
Pushed, thanks for the patch, sorry for the delay.
BR,
Jani.
> ---
> drivers/gpu/drm/i915/intel_audio.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_audio.c
> b/drivers/gpu/drm/i915/intel_audio.c
> index f1502a0..522d54f 100644
> --- a/drivers/gpu/drm/i915/intel_audio.c
> +++ b/drivers/gpu/drm/i915/intel_audio.c
> @@ -779,7 +779,7 @@ static struct intel_encoder *get_saved_enc(struct
> drm_i915_private *dev_priv,
> {
> struct intel_encoder *encoder;
>
> - if (WARN_ON(pipe >= INTEL_INFO(dev_priv)->num_pipes))
> + if (WARN_ON(pipe >= ARRAY_SIZE(dev_priv->av_enc_map)))
> return NULL;
>
> /* MST */
--
Jani Nikula, Intel Open Source Technology Center
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