[Intel-gfx] [PATCH 03/28] drm/i915: Remove dma_resv_prune

Maarten Lankhorst
2021-10-21T10:36:52Z

The signaled bit is already used for quick testing if a fence is signaled.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
---
drivers/gpu/drm/i915/Makefile | 1 -
drivers/gpu/drm/i915/dma_resv_utils.c | 17 -----------------
drivers/gpu/drm/i915/dma_resv_utils.h | 13 -------------
drivers/gpu/drm/i915/gem/i915_gem_shrinker.c | 3 ---
drivers/gpu/drm/i915/gem/i915_gem_wait.c | 8 --------
5 files changed, 42 deletions(-)
delete mode 100644 drivers/gpu/drm/i915/dma_resv_utils.c
delete mode 100644 drivers/gpu/drm/i915/dma_resv_utils.h

diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile
index 467872cca027..b87e3ed10d86 100644
--- a/drivers/gpu/drm/i915/Makefile
+++ b/drivers/gpu/drm/i915/Makefile
@@ -60,7 +60,6 @@ i915-y += i915_drv.o \

# core library code
i915-y += \
- dma_resv_utils.o \
i915_memcpy.o \
i915_mm.o \
i915_sw_fence.o \
diff --git a/drivers/gpu/drm/i915/dma_resv_utils.c b/drivers/gpu/drm/i915/dma_resv_utils.c
deleted file mode 100644
index 7df91b7e4ca8..000000000000
--- a/drivers/gpu/drm/i915/dma_resv_utils.c
+++ /dev/null
@@ -1,17 +0,0 @@
-// SPDX-License-Identifier: MIT
-/*
- * Copyright © 2020 Intel Corporation
- */
-
-#include <linux/dma-resv.h>
-
-#include "dma_resv_utils.h"
-
-void dma_resv_prune(struct dma_resv *resv)
-{
- if (dma_resv_trylock(resv)) {
- if (dma_resv_test_signaled(resv, true))
- dma_resv_add_excl_fence(resv, NULL);
- dma_resv_unlock(resv);
- }
-}
diff --git a/drivers/gpu/drm/i915/dma_resv_utils.h b/drivers/gpu/drm/i915/dma_resv_utils.h
deleted file mode 100644
index b9d8fb5f8367..000000000000
--- a/drivers/gpu/drm/i915/dma_resv_utils.h
+++ /dev/null
@@ -1,13 +0,0 @@
-/* SPDX-License-Identifier: MIT */
-/*
- * Copyright © 2020 Intel Corporation
- */
-
-#ifndef DMA_RESV_UTILS_H
-#define DMA_RESV_UTILS_H
-
-struct dma_resv;
-
-void dma_resv_prune(struct dma_resv *resv);
-
-#endif /* DMA_RESV_UTILS_H */
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_shrinker.c b/drivers/gpu/drm/i915/gem/i915_gem_shrinker.c
index 5ab136ffdeb2..af3eb7fd951d 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_shrinker.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_shrinker.c
@@ -15,7 +15,6 @@

#include "gt/intel_gt_requests.h"

-#include "dma_resv_utils.h"
#include "i915_trace.h"

static bool swap_available(void)
@@ -229,8 +228,6 @@ i915_gem_shrink(struct i915_gem_ww_ctx *ww,
i915_gem_object_unlock(obj);
}

- dma_resv_prune(obj->base.resv);
-
scanned += obj->base.size >> PAGE_SHIFT;
skip:
i915_gem_object_put(obj);
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_wait.c b/drivers/gpu/drm/i915/gem/i915_gem_wait.c
index 840c13706999..1592d95c3ead 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_wait.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_wait.c
@@ -10,7 +10,6 @@

#include "gt/intel_engine.h"

-#include "dma_resv_utils.h"
#include "i915_gem_ioctls.h"
#include "i915_gem_object.h"

@@ -52,13 +51,6 @@ i915_gem_object_wait_reservation(struct dma_resv *resv,
}
dma_resv_iter_end(&cursor);

- /*
- * Opportunistically prune the fences iff we know they have *all* been
- * signaled.
- */
- if (timeout > 0)
- dma_resv_prune(resv);
-
return ret;
}

--
2.33.0