Nouveau - Nov 2020 - [PATCH 1/2] drm/msm: Use struct dma_buf_map in GEM vmap ops

Fixes a build failure with msm.

This change was supposed to be part of commit 49a3f51dfeee ("drm/gem:
Use struct dma_buf_map in GEM vmap ops and convert GEM backends"), but
msm was forgotten.

Signed-off-by: Thomas Zimmermann <tzimmermann at suse.de>
Fixes: 49a3f51dfeee ("drm/gem: Use struct dma_buf_map in GEM vmap ops and
convert GEM backends")
Cc: Thomas Zimmermann <tzimmermann at suse.de>
Cc: Christian K?nig <christian.koenig at amd.com>
Cc: David Airlie <airlied at linux.ie>
Cc: Daniel Vetter <daniel at ffwll.ch>
Cc: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
Cc: Maxime Ripard <mripard at kernel.org>
Cc: Dave Airlie <airlied at redhat.com>
Cc: Lucas Stach <l.stach at pengutronix.de>
Cc: Russell King <linux+etnaviv at armlinux.org.uk>
Cc: Christian Gmeiner <christian.gmeiner at gmail.com>
Cc: Qiang Yu <yuq825 at gmail.com>
Cc: Ben Skeggs <bskeggs at redhat.com>
Cc: Rob Herring <robh at kernel.org>
Cc: Tomeu Vizoso <tomeu.vizoso at collabora.com>
Cc: Steven Price <steven.price at arm.com>
Cc: Alyssa Rosenzweig <alyssa.rosenzweig at collabora.com>
Cc: Gerd Hoffmann <kraxel at redhat.com>
Cc: Alex Deucher <alexander.deucher at amd.com>
Cc: "Christian K?nig" <christian.koenig at amd.com>
Cc: Sandy Huang <hjc at rock-chips.com>
Cc: "Heiko St?bner" <heiko at sntech.de>
Cc: Hans de Goede <hdegoede at redhat.com>
Cc: Sean Paul <sean at poorly.run>
Cc: Eric Anholt <eric at anholt.net>
Cc: Rodrigo Siqueira <rodrigosiqueiramelo at gmail.com>
Cc: Melissa Wen <melissa.srw at gmail.com>
Cc: Haneen Mohammed <hamohammed.sa at gmail.com>
Cc: Oleksandr Andrushchenko <oleksandr_andrushchenko at epam.com>
Cc: Sumit Semwal <sumit.semwal at linaro.org>
Cc: Emil Velikov <emil.velikov at collabora.com>
Cc: Luben Tuikov <luben.tuikov at amd.com>
Cc: Marek Szyprowski <m.szyprowski at samsung.com>
Cc: Arunpravin <apaneers at amd.com>
Cc: Huang Rui <ray.huang at amd.com>
Cc: Madhav Chauhan <madhav.chauhan at amd.com>
Cc: Jason Gunthorpe <jgg at ziepe.ca>
Cc: Sam Ravnborg <sam at ravnborg.org>
Cc: Chris Wilson <chris at chris-wilson.co.uk>
Cc: Qinglang Miao <miaoqinglang at huawei.com>
Cc: dri-devel at lists.freedesktop.org
Cc: etnaviv at lists.freedesktop.org
Cc: lima at lists.freedesktop.org
Cc: nouveau at lists.freedesktop.org
Cc: virtualization at lists.linux-foundation.org
Cc: spice-devel at lists.freedesktop.org
Cc: amd-gfx at lists.freedesktop.org
Cc: linux-arm-kernel at lists.infradead.org
Cc: linux-rockchip at lists.infradead.org
Cc: xen-devel at lists.xenproject.org
---
 drivers/gpu/drm/msm/msm_drv.h       |  4 ++--
 drivers/gpu/drm/msm/msm_gem_prime.c | 13 ++++++++++---
 2 files changed, 12 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/msm/msm_drv.h b/drivers/gpu/drm/msm/msm_drv.h
index c45789f36e48..a6aef687bc6e 100644
--- a/drivers/gpu/drm/msm/msm_drv.h
+++ b/drivers/gpu/drm/msm/msm_drv.h
@@ -295,8 +295,8 @@ int msm_gem_dumb_create(struct drm_file *file, struct
drm_device *dev,
 int msm_gem_dumb_map_offset(struct drm_file *file, struct drm_device *dev,
 		uint32_t handle, uint64_t *offset);
 struct sg_table *msm_gem_prime_get_sg_table(struct drm_gem_object *obj);
-void *msm_gem_prime_vmap(struct drm_gem_object *obj);
-void msm_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr);
+int msm_gem_prime_vmap(struct drm_gem_object *obj, struct dma_buf_map *map);
+void msm_gem_prime_vunmap(struct drm_gem_object *obj, struct dma_buf_map *map);
 int msm_gem_prime_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma);
 struct drm_gem_object *msm_gem_prime_import_sg_table(struct drm_device *dev,
 		struct dma_buf_attachment *attach, struct sg_table *sg);
diff --git a/drivers/gpu/drm/msm/msm_gem_prime.c
b/drivers/gpu/drm/msm/msm_gem_prime.c
index 515ef80816a0..9880348a4dc7 100644
--- a/drivers/gpu/drm/msm/msm_gem_prime.c
+++ b/drivers/gpu/drm/msm/msm_gem_prime.c
@@ -22,12 +22,19 @@ struct sg_table *msm_gem_prime_get_sg_table(struct
drm_gem_object *obj)
 	return drm_prime_pages_to_sg(obj->dev, msm_obj->pages, npages);
 }
 
-void *msm_gem_prime_vmap(struct drm_gem_object *obj)
+int msm_gem_prime_vmap(struct drm_gem_object *obj, struct dma_buf_map *map)
 {
-	return msm_gem_get_vaddr(obj);
+	void *vaddr;
+
+	vaddr = msm_gem_get_vaddr(obj);
+	if (IS_ERR(vaddr))
+		return PTR_ERR(vaddr);
+	dma_buf_map_set_vaddr(map, vaddr);
+
+	return 0;
 }
 
-void msm_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr)
+void msm_gem_prime_vunmap(struct drm_gem_object *obj, struct dma_buf_map *map)
 {
 	msm_gem_put_vaddr(obj);
 }
-- 
2.29.2