linux-kernel - [PATCH v2 3/3] drm/qxl: switch qxl to use the new ttm helpers.

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Message-Id: <20190807103849.7289-4-kraxel@redhat.com>
Date:   Wed,  7 Aug 2019 12:38:49 +0200
From:   Gerd Hoffmann <kraxel@...hat.com>
To:     dri-devel@...ts.freedesktop.org
Cc:     tzimmermann@...e.de, Gerd Hoffmann <kraxel@...hat.com>,
        Dave Airlie <airlied@...hat.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        virtualization@...ts.linux-foundation.org (open list:DRM DRIVER FOR QXL
        VIRTUAL GPU),
        spice-devel@...ts.freedesktop.org (open list:DRM DRIVER FOR QXL VIRTUAL
        GPU), linux-kernel@...r.kernel.org (open list)
Subject: [PATCH v2 3/3] drm/qxl: switch qxl to use the new ttm helpers.

Signed-off-by: Gerd Hoffmann <kraxel@...hat.com>
---
 drivers/gpu/drm/qxl/qxl_drv.h    |  4 +---
 drivers/gpu/drm/qxl/qxl_object.h |  5 -----
 drivers/gpu/drm/qxl/qxl_drv.c    |  2 +-
 drivers/gpu/drm/qxl/qxl_dumb.c   | 17 -----------------
 drivers/gpu/drm/qxl/qxl_ioctl.c  |  5 +++--
 drivers/gpu/drm/qxl/Kconfig      |  1 +
 6 files changed, 6 insertions(+), 28 deletions(-)

diff --git a/drivers/gpu/drm/qxl/qxl_drv.h b/drivers/gpu/drm/qxl/qxl_drv.h
index 9e034c5fa87d..82efbe76062a 100644
--- a/drivers/gpu/drm/qxl/qxl_drv.h
+++ b/drivers/gpu/drm/qxl/qxl_drv.h
@@ -38,6 +38,7 @@
 #include <drm/drm_crtc.h>
 #include <drm/drm_encoder.h>
 #include <drm/drm_fb_helper.h>
+#include <drm/drm_gem_ttm_helper.h>
 #include <drm/drm_ioctl.h>
 #include <drm/drm_gem.h>
 #include <drm/qxl_drm.h>
@@ -347,9 +348,6 @@ int qxl_bo_kmap(struct qxl_bo *bo, void **ptr);
 int qxl_mode_dumb_create(struct drm_file *file_priv,
 			 struct drm_device *dev,
 			 struct drm_mode_create_dumb *args);
-int qxl_mode_dumb_mmap(struct drm_file *filp,
-		       struct drm_device *dev,
-		       uint32_t handle, uint64_t *offset_p);
 
 /* qxl ttm */
 int qxl_ttm_init(struct qxl_device *qdev);
diff --git a/drivers/gpu/drm/qxl/qxl_object.h b/drivers/gpu/drm/qxl/qxl_object.h
index 8ae54ba7857c..1f0316ebcfd0 100644
--- a/drivers/gpu/drm/qxl/qxl_object.h
+++ b/drivers/gpu/drm/qxl/qxl_object.h
@@ -58,11 +58,6 @@ static inline unsigned long qxl_bo_size(struct qxl_bo *bo)
 	return bo->tbo.num_pages << PAGE_SHIFT;
 }
 
-static inline u64 qxl_bo_mmap_offset(struct qxl_bo *bo)
-{
-	return drm_vma_node_offset_addr(&bo->tbo.base.vma_node);
-}
-
 static inline int qxl_bo_wait(struct qxl_bo *bo, u32 *mem_type,
 			      bool no_wait)
 {
diff --git a/drivers/gpu/drm/qxl/qxl_drv.c b/drivers/gpu/drm/qxl/qxl_drv.c
index c1802e01d9f6..18249110aa56 100644
--- a/drivers/gpu/drm/qxl/qxl_drv.c
+++ b/drivers/gpu/drm/qxl/qxl_drv.c
@@ -252,7 +252,7 @@ static struct drm_driver qxl_driver = {
 	.driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC,
 
 	.dumb_create = qxl_mode_dumb_create,
-	.dumb_map_offset = qxl_mode_dumb_mmap,
+	.dumb_map_offset = drm_gem_ttm_driver_dumb_mmap_offset,
 #if defined(CONFIG_DEBUG_FS)
 	.debugfs_init = qxl_debugfs_init,
 #endif
diff --git a/drivers/gpu/drm/qxl/qxl_dumb.c b/drivers/gpu/drm/qxl/qxl_dumb.c
index 272d19b677d8..bd3b16a701a6 100644
--- a/drivers/gpu/drm/qxl/qxl_dumb.c
+++ b/drivers/gpu/drm/qxl/qxl_dumb.c
@@ -69,20 +69,3 @@ int qxl_mode_dumb_create(struct drm_file *file_priv,
 	args->handle = handle;
 	return 0;
 }
-
-int qxl_mode_dumb_mmap(struct drm_file *file_priv,
-		       struct drm_device *dev,
-		       uint32_t handle, uint64_t *offset_p)
-{
-	struct drm_gem_object *gobj;
-	struct qxl_bo *qobj;
-
-	BUG_ON(!offset_p);
-	gobj = drm_gem_object_lookup(file_priv, handle);
-	if (gobj == NULL)
-		return -ENOENT;
-	qobj = gem_to_qxl_bo(gobj);
-	*offset_p = qxl_bo_mmap_offset(qobj);
-	drm_gem_object_put_unlocked(gobj);
-	return 0;
-}
diff --git a/drivers/gpu/drm/qxl/qxl_ioctl.c b/drivers/gpu/drm/qxl/qxl_ioctl.c
index 8117a45b3610..b1cc38ed0ed4 100644
--- a/drivers/gpu/drm/qxl/qxl_ioctl.c
+++ b/drivers/gpu/drm/qxl/qxl_ioctl.c
@@ -67,8 +67,9 @@ static int qxl_map_ioctl(struct drm_device *dev, void *data,
 	struct qxl_device *qdev = dev->dev_private;
 	struct drm_qxl_map *qxl_map = data;
 
-	return qxl_mode_dumb_mmap(file_priv, &qdev->ddev, qxl_map->handle,
-				  &qxl_map->offset);
+	return drm_gem_ttm_driver_dumb_mmap_offset(file_priv, &qdev->ddev,
+						   qxl_map->handle,
+						   &qxl_map->offset);
 }
 
 struct qxl_reloc_info {
diff --git a/drivers/gpu/drm/qxl/Kconfig b/drivers/gpu/drm/qxl/Kconfig
index d0d691b31f4a..bfe90c7d17b2 100644
--- a/drivers/gpu/drm/qxl/Kconfig
+++ b/drivers/gpu/drm/qxl/Kconfig
@@ -3,6 +3,7 @@ config DRM_QXL
 	tristate "QXL virtual GPU"
 	depends on DRM && PCI && MMU
 	select DRM_KMS_HELPER
+	select DRM_TTM_HELPER
 	select DRM_TTM
 	select CRC32
 	help
-- 
2.18.1