[RFC PATCH 006/162] drm/i915: split gen8+ flush and bb_start emission functions to their own file

[Chris Wilson]

Quoting Matthew Auld (2020-11-27 12:04:42)
> From: Daniele Ceraolo Spurio <daniele.ceraolospurio at intel.com>
> 
> These functions are independent from the backend used and can therefore
> be split out of the exelists submission file, so they can be re-used by
> the upcoming GuC submission backend.
> 
> Based on a patch by Chris Wilson.
> 
> Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio at intel.com>
> Cc: Chris P Wilson <chris.p.wilson at intel.com>
> Cc: Tvrtko Ursulin <tvrtko.ursulin at linux.intel.com>
> Reviewed-by: John Harrison <John.C.Harrison at Intel.com>
> ---
>  drivers/gpu/drm/i915/Makefile                 |   1 +
>  drivers/gpu/drm/i915/gt/gen8_engine_cs.c      | 393 ++++++++++++++++++
>  drivers/gpu/drm/i915/gt/gen8_engine_cs.h      |  26 ++
>  .../drm/i915/gt/intel_execlists_submission.c  | 385 +----------------
>  4 files changed, 421 insertions(+), 384 deletions(-)
>  create mode 100644 drivers/gpu/drm/i915/gt/gen8_engine_cs.c
>  create mode 100644 drivers/gpu/drm/i915/gt/gen8_engine_cs.h
> 
> diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile
> index aedbd8f52be8..f9ef5199b124 100644
> --- a/drivers/gpu/drm/i915/Makefile
> +++ b/drivers/gpu/drm/i915/Makefile
> @@ -82,6 +82,7 @@ gt-y += \
>         gt/gen6_engine_cs.o \
>         gt/gen6_ppgtt.o \
>         gt/gen7_renderclear.o \
> +       gt/gen8_engine_cs.o \
>         gt/gen8_ppgtt.o \
>         gt/intel_breadcrumbs.o \
>         gt/intel_context.o \
> diff --git a/drivers/gpu/drm/i915/gt/gen8_engine_cs.c b/drivers/gpu/drm/i915/gt/gen8_engine_cs.c
> new file mode 100644
> index 000000000000..a96fe108685e
> --- /dev/null
> +++ b/drivers/gpu/drm/i915/gt/gen8_engine_cs.c
> @@ -0,0 +1,393 @@
> +// SPDX-License-Identifier: MIT
> +/*
> + * Copyright © 2014 Intel Corporation
> + */
> +
> +#include "i915_drv.h"
> +#include "intel_execlists_submission.h" /* XXX */
> +#include "intel_gpu_commands.h"
> +#include "intel_ring.h"
> +
> +int gen8_emit_flush_render(struct i915_request *request, u32 mode)

Refresh the names to make the recent schemes.
(rcs when specific, xcs when not)
-Chris
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