[Intel-gfx] [PATCH v2] drm/i915/guc: Make intel_guc_send a function pointer

[Michal Wajdeczko]

On Tue, Feb 07, 2017 at 01:20:35AM -0800, Oscar Mateo wrote:
> From: Michal Wajdeczko <michal.wajdeczko at intel.com>
> 
> Prepare for an alternate GuC communication interface.
> 
> v2: Make a few functions static and name them correctly while we are at it (Oscar)
> v3: Leave an intel_guc_send_mmio interface for users that require old-style communication
> 
> Signed-off-by: Michel Thierry <michel.thierry at intel.com>
> Signed-off-by: Michal Wajdeczko <michal.wajdeczko at intel.com>
> Signed-off-by: Oscar Mateo <oscar.mateo at intel.com>
> ---
>  drivers/gpu/drm/i915/intel_uc.c | 25 +++++++++++++++----------
>  drivers/gpu/drm/i915/intel_uc.h | 10 +++++++++-
>  2 files changed, 24 insertions(+), 11 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_uc.c b/drivers/gpu/drm/i915/intel_uc.c
> index c46bc85..2fa70a9 100644
> --- a/drivers/gpu/drm/i915/intel_uc.c
> +++ b/drivers/gpu/drm/i915/intel_uc.c

<snip>

> @@ -98,6 +96,14 @@ int intel_guc_send(struct intel_guc *guc, const u32 *action, u32 len)
>  	return ret;
>  }
>  
> +void intel_uc_init_early(struct drm_i915_private *dev_priv)
> +{
> +	struct intel_guc *guc = &dev_priv->guc;
> +
> +	mutex_init(&guc->send_mutex);
> +	guc->send = intel_guc_send_mmio;
> +}
> +

As intel_guc_send_mmio() is again public, there is no need to move
intel_uc_init_early() down to this place, it can stay at the top
of the file.

-Michal