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| author | Thomas Zimmermann <tzimmermann@suse.de> | 2022-03-08 22:52:14 +0300 |
|---|---|---|
| committer | Patrik Jakobsson <patrik.r.jakobsson@gmail.com> | 2022-03-16 19:42:19 +0300 |
| commit | e160b70ba1604b0c88f97f7f8756d126515ed039 (patch) | |
| tree | 9c5e4f6ba8c6bd2b8d5bcc71295aceed379ea5e0 /drivers/gpu/drm/gma500/gtt.c | |
| parent | 14e92dd104cde77db5612b111baf2f41f1eba127 (diff) | |
| download | linux-e160b70ba1604b0c88f97f7f8756d126515ed039.tar.xz | |
drm/gma500: Remove struct psb_gtt.sem sempahore
The semaphore at struct psb_mmu_driver.sem protects access to the MMU
fields. Additional locking with struct psb_gtt.sem is unnecessary. Remove
the field and related code.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Signed-off-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220308195222.13471-5-tzimmermann@suse.de
Diffstat (limited to 'drivers/gpu/drm/gma500/gtt.c')
| -rw-r--r-- | drivers/gpu/drm/gma500/gtt.c | 7 |
1 files changed, 0 insertions, 7 deletions
diff --git a/drivers/gpu/drm/gma500/gtt.c b/drivers/gpu/drm/gma500/gtt.c index 4202e88e5f84..c7b7cb1f2d13 100644 --- a/drivers/gpu/drm/gma500/gtt.c +++ b/drivers/gpu/drm/gma500/gtt.c @@ -125,12 +125,6 @@ void psb_gtt_remove_pages(struct drm_psb_private *pdev, const struct resource *r mutex_unlock(&pdev->gtt_mutex); } -static void psb_gtt_alloc(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = to_drm_psb_private(dev); - init_rwsem(&dev_priv->gtt.sem); -} - void psb_gtt_takedown(struct drm_device *dev) { struct drm_psb_private *dev_priv = to_drm_psb_private(dev); @@ -166,7 +160,6 @@ int psb_gtt_init(struct drm_device *dev, int resume) if (!resume) { mutex_init(&dev_priv->gtt_mutex); mutex_init(&dev_priv->mmap_mutex); - psb_gtt_alloc(dev); } pg = &dev_priv->gtt; |