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From: Dmitry Osipenko <dmitry.osipenko@collabora.com>
To: "David Airlie" <airlied@gmail.com>,
	"Gerd Hoffmann" <kraxel@redhat.com>,
	"Gurchetan Singh" <gurchetansingh@chromium.org>,
	"Chia-I Wu" <olvaffe@gmail.com>,
	"Daniel Vetter" <daniel@ffwll.ch>,
	"Daniel Almeida" <daniel.almeida@collabora.com>,
	"Gustavo Padovan" <gustavo.padovan@collabora.com>,
	"Daniel Stone" <daniel@fooishbar.org>,
	"Maarten Lankhorst" <maarten.lankhorst@linux.intel.com>,
	"Maxime Ripard" <mripard@kernel.org>,
	"Thomas Zimmermann" <tzimmermann@suse.de>,
	"Sumit Semwal" <sumit.semwal@linaro.org>,
	"Christian König" <christian.koenig@amd.com>,
	"Qiang Yu" <yuq825@gmail.com>,
	"Steven Price" <steven.price@arm.com>,
	"Alyssa Rosenzweig" <alyssa.rosenzweig@collabora.com>,
	"Rob Herring" <robh@kernel.org>
Cc: intel-gfx@lists.freedesktop.org, kernel@collabora.com,
	linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org,
	virtualization@lists.linux-foundation.org
Subject: [Intel-gfx] [PATCH v13 07/10] drm/shmem-helper: Remove obsoleted is_iomem test
Date: Tue, 14 Mar 2023 05:26:56 +0300	[thread overview]
Message-ID: <20230314022659.1816246-8-dmitry.osipenko@collabora.com> (raw)
In-Reply-To: <20230314022659.1816246-1-dmitry.osipenko@collabora.com>

Everything that uses the mapped buffer should by agnostic to is_iomem.
The only reason for the is_iomem test is is that we're setting shmem->vaddr
to the returned map->vaddr. Now that the shmem->vaddr code is gone, remove
the obsoleted is_iomem test to clean up the code.

Suggested-by: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
---
 drivers/gpu/drm/drm_gem_shmem_helper.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/drivers/gpu/drm/drm_gem_shmem_helper.c b/drivers/gpu/drm/drm_gem_shmem_helper.c
index a02377a5131b..9e94652a141c 100644
--- a/drivers/gpu/drm/drm_gem_shmem_helper.c
+++ b/drivers/gpu/drm/drm_gem_shmem_helper.c
@@ -432,12 +432,6 @@ int drm_gem_shmem_vmap(struct drm_gem_shmem_object *shmem,
 
 	if (obj->import_attach) {
 		ret = dma_buf_vmap(obj->import_attach->dmabuf, map);
-		if (!ret) {
-			if (drm_WARN_ON(obj->dev, map->is_iomem)) {
-				dma_buf_vunmap(obj->import_attach->dmabuf, map);
-				return -EIO;
-			}
-		}
 	} else {
 		pgprot_t prot = PAGE_KERNEL;
 
-- 
2.39.2


  parent reply	other threads:[~2023-03-14  2:28 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-03-14  2:26 [Intel-gfx] [PATCH v13 00/10] Add generic memory shrinker to VirtIO-GPU and Panfrost DRM drivers Dmitry Osipenko
2023-03-14  2:26 ` [Intel-gfx] [PATCH v13 01/10] drm/shmem-helper: Switch to reservation lock Dmitry Osipenko
2023-03-15 13:46   ` Dmitry Osipenko
2023-03-25 14:58     ` Dmitry Osipenko
2023-03-26  9:19       ` Christian König
2023-04-02 14:54         ` Dmitry Osipenko
2023-03-14  2:26 ` [Intel-gfx] [PATCH v13 02/10] drm/shmem-helper: Factor out pages alloc/release from drm_gem_shmem_get/put_pages() Dmitry Osipenko
2023-03-14  2:26 ` [Intel-gfx] [PATCH v13 03/10] drm/shmem-helper: Add pages_pin_count field Dmitry Osipenko
2023-06-26 15:04   ` Boris Brezillon
2023-06-26 15:21     ` Boris Brezillon
2023-06-26 15:32       ` Dmitry Osipenko
2023-03-14  2:26 ` [Intel-gfx] [PATCH v13 04/10] drm/shmem-helper: Switch drm_gem_shmem_vmap/vunmap to use pin/unpin Dmitry Osipenko
2023-03-14  2:26 ` [Intel-gfx] [PATCH v13 05/10] drm/shmem-helper: Factor out unpinning part from drm_gem_shmem_purge() Dmitry Osipenko
2023-03-14  2:26 ` [Intel-gfx] [PATCH v13 06/10] drm/shmem-helper: Add memory shrinker Dmitry Osipenko
2023-03-14  2:26 ` Dmitry Osipenko [this message]
2023-03-14  2:26 ` [Intel-gfx] [PATCH v13 08/10] drm/shmem-helper: Export drm_gem_shmem_get_pages_sgt_locked() Dmitry Osipenko
2023-03-14  2:26 ` [Intel-gfx] [PATCH v13 09/10] drm/virtio: Support memory shrinking Dmitry Osipenko
2023-03-14  2:26 ` [Intel-gfx] [PATCH v13 10/10] drm/panfrost: Switch to generic memory shrinker Dmitry Osipenko
2023-03-14  2:49 ` [Intel-gfx] ✗ Fi.CI.SPARSE: warning for Add generic memory shrinker to VirtIO-GPU and Panfrost DRM drivers (rev2) Patchwork
2023-03-14  3:08 ` [Intel-gfx] ✓ Fi.CI.BAT: success " Patchwork
2023-03-15  7:44 ` [Intel-gfx] ✗ Fi.CI.IGT: failure " Patchwork

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