[Intel-gfx] [PATCH] drm/i915: Remove superfluous hw_flags from mi_set_context()

Tvrtko Ursulin tvrtko.ursulin at linux.intel.com
Thu Mar 23 09:37:35 UTC 2017


On 22/03/2017 21:03, Chris Wilson wrote:
> Why have both hw_flags and flags, when just one will do?
>
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
> ---
>  drivers/gpu/drm/i915/i915_gem_context.c | 14 +++++++-------
>  1 file changed, 7 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c
> index 486051ed681d..8fc8b3d15a0f 100644
> --- a/drivers/gpu/drm/i915/i915_gem_context.c
> +++ b/drivers/gpu/drm/i915/i915_gem_context.c
> @@ -576,25 +576,25 @@ void i915_gem_context_close(struct drm_device *dev, struct drm_file *file)
>  }
>
>  static inline int
> -mi_set_context(struct drm_i915_gem_request *req, u32 hw_flags)
> +mi_set_context(struct drm_i915_gem_request *req, u32 flags)
>  {
>  	struct drm_i915_private *dev_priv = req->i915;
>  	struct intel_engine_cs *engine = req->engine;
>  	enum intel_engine_id id;
> -	u32 *cs, flags = hw_flags | MI_MM_SPACE_GTT;
>  	const int num_rings =
>  		/* Use an extended w/a on ivb+ if signalling from other rings */
>  		i915.semaphores ?
>  		INTEL_INFO(dev_priv)->num_rings - 1 :
>  		0;
>  	int len;
> +	u32 *cs;
>
> -	/* These flags are for resource streamer on HSW+ */
> +	flags |= MI_MM_SPACE_GTT;
>  	if (IS_HASWELL(dev_priv) || INTEL_GEN(dev_priv) >= 8)
> -		flags |= (HSW_MI_RS_SAVE_STATE_EN | HSW_MI_RS_RESTORE_STATE_EN);
> -	else if (INTEL_GEN(dev_priv) < 8)
> -		flags |= (MI_SAVE_EXT_STATE_EN | MI_RESTORE_EXT_STATE_EN);
> -
> +		/* These flags are for resource streamer on HSW+ */
> +		flags |= HSW_MI_RS_SAVE_STATE_EN | HSW_MI_RS_RESTORE_STATE_EN;
> +	else
> +		flags |= MI_SAVE_EXT_STATE_EN | MI_RESTORE_EXT_STATE_EN;
>
>  	len = 4;
>  	if (INTEL_GEN(dev_priv) >= 7)
>

Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin at intel.com>

Regards,

Tvrtko


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