Quoting Tvrtko Ursulin (2019-06-14 16:17:22)
> diff --git a/drivers/gpu/drm/i915/gt/intel_gt.h b/drivers/gpu/drm/i915/gt/intel_gt.h
> index 051d7069db55..8d84716c3b3b 100644
> --- a/drivers/gpu/drm/i915/gt/intel_gt.h
> +++ b/drivers/gpu/drm/i915/gt/intel_gt.h
> @@ -9,8 +9,7 @@
>
> #include "gt/intel_engine_types.h"
> #include "gt/intel_gt_types.h"
> -
> -struct drm_i915_private;
> +#include "i915_drv.h"
>
> void intel_gt_init(struct intel_gt *gt, struct drm_i915_private *i915);
>
> @@ -20,4 +19,11 @@ void intel_gt_clear_error_registers(struct intel_gt *gt,
>
> void intel_gt_flush_ggtt_writes(struct intel_gt *gt);
>
> +static inline void intel_gt_chipset_flush(struct intel_gt *gt)
> +{
> + wmb();
> + if (INTEL_GEN(gt->i915) < 6)
> + intel_gtt_chipset_flush();
> +}
Grr, in my current mindset I'd take an out-of-line chipset flush over an
include "i915_drv.h"
In the long run, having it out-of-line may be better for detecting if it
is ever a problem (more noticeable).
-Chris
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