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From: Thomas Zimmermann <tzimmermann@suse.de>
To: kraxel@redhat.com, airlied@redhat.com, daniel@ffwll.ch,
	maarten.lankhorst@linux.intel.com, maxime.ripard@bootlin.com,
	sean@poorly.run, sam@ravnborg.org,
	dri-devel@lists.freedesktop.org
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Subject: [PATCH v3 9/9] drm: Remove functions with kmap-object argument from GEM VRAM helpers
Date: Thu, 13 Jun 2019 09:30:41 +0200	[thread overview]
Message-ID: <20190613073041.29350-10-tzimmermann@suse.de> (raw)
In-Reply-To: <20190613073041.29350-1-tzimmermann@suse.de>

The GEM VRAM functions with kmap-object argument are not requried any
longer. Remove them.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
---
 drivers/gpu/drm/drm_gem_vram_helper.c | 50 +++++----------------------
 include/drm/drm_gem_vram_helper.h     |  4 ---
 2 files changed, 8 insertions(+), 46 deletions(-)

diff --git a/drivers/gpu/drm/drm_gem_vram_helper.c b/drivers/gpu/drm/drm_gem_vram_helper.c
index 4cae52054e61..4de782ca26b2 100644
--- a/drivers/gpu/drm/drm_gem_vram_helper.c
+++ b/drivers/gpu/drm/drm_gem_vram_helper.c
@@ -279,12 +279,11 @@ int drm_gem_vram_unpin(struct drm_gem_vram_object *gbo)
 EXPORT_SYMBOL(drm_gem_vram_unpin);
 
 /**
- * drm_gem_vram_kmap_at() - Maps a GEM VRAM object into kernel address space
+ * drm_gem_vram_kmap() - Maps a GEM VRAM object into kernel address space
  * @gbo:	the GEM VRAM object
  * @map:	establish a mapping if necessary
  * @is_iomem:	returns true if the mapped memory is I/O memory, or false \
 	otherwise; can be NULL
- * @kmap:	the mapping's kmap object
  *
  * This function maps the buffer object into the kernel's address space
  * or returns the current mapping. If the parameter map is false, the
@@ -296,10 +295,11 @@ EXPORT_SYMBOL(drm_gem_vram_unpin);
  * NULL if not mapped, or
  * an ERR_PTR()-encoded error code otherwise.
  */
-void *drm_gem_vram_kmap_at(struct drm_gem_vram_object *gbo, bool map,
-			   bool *is_iomem, struct ttm_bo_kmap_obj *kmap)
+void *drm_gem_vram_kmap(struct drm_gem_vram_object *gbo, bool map,
+			bool *is_iomem)
 {
 	int ret;
+	struct ttm_bo_kmap_obj *kmap = &gbo->kmap;
 
 	if (kmap->virtual || !map)
 		goto out;
@@ -317,56 +317,22 @@ void *drm_gem_vram_kmap_at(struct drm_gem_vram_object *gbo, bool map,
 	}
 	return ttm_kmap_obj_virtual(kmap, is_iomem);
 }
-EXPORT_SYMBOL(drm_gem_vram_kmap_at);
-
-/**
- * drm_gem_vram_kmap() - Maps a GEM VRAM object into kernel address space
- * @gbo:	the GEM VRAM object
- * @map:	establish a mapping if necessary
- * @is_iomem:	returns true if the mapped memory is I/O memory, or false \
-	otherwise; can be NULL
- *
- * This function maps the buffer object into the kernel's address space
- * or returns the current mapping. If the parameter map is false, the
- * function only queries the current mapping, but does not establish a
- * new one.
- *
- * Returns:
- * The buffers virtual address if mapped, or
- * NULL if not mapped, or
- * an ERR_PTR()-encoded error code otherwise.
- */
-void *drm_gem_vram_kmap(struct drm_gem_vram_object *gbo, bool map,
-			bool *is_iomem)
-{
-	return drm_gem_vram_kmap_at(gbo, map, is_iomem, &gbo->kmap);
-}
 EXPORT_SYMBOL(drm_gem_vram_kmap);
 
 /**
- * drm_gem_vram_kunmap_at() - Unmaps a GEM VRAM object
+ * drm_gem_vram_kunmap() - Unmaps a GEM VRAM object
  * @gbo:	the GEM VRAM object
- * @kmap:	the mapping's kmap object
  */
-void drm_gem_vram_kunmap_at(struct drm_gem_vram_object *gbo,
-			    struct ttm_bo_kmap_obj *kmap)
+void drm_gem_vram_kunmap(struct drm_gem_vram_object *gbo)
 {
+	struct ttm_bo_kmap_obj *kmap = &gbo->kmap;
+
 	if (!kmap->virtual)
 		return;
 
 	ttm_bo_kunmap(kmap);
 	kmap->virtual = NULL;
 }
-EXPORT_SYMBOL(drm_gem_vram_kunmap_at);
-
-/**
- * drm_gem_vram_kunmap() - Unmaps a GEM VRAM object
- * @gbo:	the GEM VRAM object
- */
-void drm_gem_vram_kunmap(struct drm_gem_vram_object *gbo)
-{
-	drm_gem_vram_kunmap_at(gbo, &gbo->kmap);
-}
 EXPORT_SYMBOL(drm_gem_vram_kunmap);
 
 /**
diff --git a/include/drm/drm_gem_vram_helper.h b/include/drm/drm_gem_vram_helper.h
index 1d4aa87f8dfa..9581ea0a4f7e 100644
--- a/include/drm/drm_gem_vram_helper.h
+++ b/include/drm/drm_gem_vram_helper.h
@@ -81,12 +81,8 @@ u64 drm_gem_vram_mmap_offset(struct drm_gem_vram_object *gbo);
 s64 drm_gem_vram_offset(struct drm_gem_vram_object *gbo);
 int drm_gem_vram_pin(struct drm_gem_vram_object *gbo, unsigned long pl_flag);
 int drm_gem_vram_unpin(struct drm_gem_vram_object *gbo);
-void *drm_gem_vram_kmap_at(struct drm_gem_vram_object *gbo, bool map,
-			   bool *is_iomem, struct ttm_bo_kmap_obj *kmap);
 void *drm_gem_vram_kmap(struct drm_gem_vram_object *gbo, bool map,
 			bool *is_iomem);
-void drm_gem_vram_kunmap_at(struct drm_gem_vram_object *gbo,
-			    struct ttm_bo_kmap_obj *kmap);
 void drm_gem_vram_kunmap(struct drm_gem_vram_object *gbo);
 
 int drm_gem_vram_fill_create_dumb(struct drm_file *file,
-- 
2.21.0

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  parent reply	other threads:[~2019-06-13  7:30 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-13  7:30 [PATCH v3 0/9] Remove explicit locking and kmap arguments from GEM VRAM interface Thomas Zimmermann
2019-06-13  7:30 ` [PATCH v3 1/9] drm/gem-vram: Support pinning buffers to current location Thomas Zimmermann
2019-06-13  7:30 ` [PATCH v3 2/9] drm/ast: Unpin cursor BO during cleanup Thomas Zimmermann
2019-06-13  7:30 ` [PATCH v3 3/9] drm/ast: Remove obsolete or unused cursor state Thomas Zimmermann
2019-06-13  7:30 ` [PATCH v3 4/9] drm/ast: Pin and map cursor source BO during update Thomas Zimmermann
2019-06-13  7:30 ` [PATCH v3 5/9] drm/ast: Pin framebuffer BO during dirty update Thomas Zimmermann
2019-06-13  7:30 ` [PATCH v3 6/9] drm/mgag200: " Thomas Zimmermann
2019-06-13  7:30 ` [PATCH v3 7/9] drm/mgag200: Rewrite cursor handling Thomas Zimmermann
2019-06-13  7:30 ` [PATCH v3 8/9] drm: Remove lock interfaces from GEM VRAM helpers Thomas Zimmermann
2019-06-13 16:34   ` Daniel Vetter
2019-06-13  7:30 ` Thomas Zimmermann [this message]
2019-06-13  9:44 ` [PATCH v3 0/9] Remove explicit locking and kmap arguments from GEM VRAM interface Gerd Hoffmann

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