From bcf877181eb5439074bf6312e42087d988413adb Mon Sep 17 00:00:00 2001 From: Noralf Trønnes Date: Sun, 6 Aug 2017 17:40:55 +0200 Subject: drm/tegra: Use .dumb_map_offset and .dumb_destroy defaults MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This driver can use the drm_driver.dumb_destroy and drm_driver.dumb_map_offset defaults, so no need to set them. Cc: Thierry Reding Signed-off-by: Noralf Trønnes Reviewed-by: Daniel Vetter Link: https://patchwork.freedesktop.org/patch/msgid/1502034068-51384-7-git-send-email-noralf@tronnes.org --- drivers/gpu/drm/tegra/gem.c | 21 --------------------- 1 file changed, 21 deletions(-) (limited to 'drivers/gpu/drm/tegra/gem.c') diff --git a/drivers/gpu/drm/tegra/gem.c b/drivers/gpu/drm/tegra/gem.c index 7a39a355678a..c6079affe642 100644 --- a/drivers/gpu/drm/tegra/gem.c +++ b/drivers/gpu/drm/tegra/gem.c @@ -423,27 +423,6 @@ int tegra_bo_dumb_create(struct drm_file *file, struct drm_device *drm, return 0; } -int tegra_bo_dumb_map_offset(struct drm_file *file, struct drm_device *drm, - u32 handle, u64 *offset) -{ - struct drm_gem_object *gem; - struct tegra_bo *bo; - - gem = drm_gem_object_lookup(file, handle); - if (!gem) { - dev_err(drm->dev, "failed to lookup GEM object\n"); - return -EINVAL; - } - - bo = to_tegra_bo(gem); - - *offset = drm_vma_node_offset_addr(&bo->gem.vma_node); - - drm_gem_object_unreference_unlocked(gem); - - return 0; -} - static int tegra_bo_fault(struct vm_fault *vmf) { struct vm_area_struct *vma = vmf->vma; -- cgit v1.2.3 From 7664b2fa42b5e962dd9ffd9e386dc20cbc966176 Mon Sep 17 00:00:00 2001 From: Cihangir Akturk Date: Fri, 11 Aug 2017 15:33:07 +0300 Subject: drm/tegra: switch to drm_*_get(), drm_*_put() helpers Use drm_*_get() and drm_*_put() helpers instead of drm_*_reference() and drm_*_unreference() helpers. drm_*_reference() and drm_*_unreference() functions are just compatibility alias for drm_*_get() and drm_*_put() and should not be used by new code. So convert all users of compatibility functions to use the new APIs. Generated by: scripts/coccinelle/api/drm-get-put.cocci Signed-off-by: Cihangir Akturk Signed-off-by: Thierry Reding --- drivers/gpu/drm/tegra/drm.c | 12 ++++++------ drivers/gpu/drm/tegra/fb.c | 8 ++++---- drivers/gpu/drm/tegra/gem.c | 10 +++++----- 3 files changed, 15 insertions(+), 15 deletions(-) (limited to 'drivers/gpu/drm/tegra/gem.c') diff --git a/drivers/gpu/drm/tegra/drm.c b/drivers/gpu/drm/tegra/drm.c index 518f4b69ea53..eddea778290f 100644 --- a/drivers/gpu/drm/tegra/drm.c +++ b/drivers/gpu/drm/tegra/drm.c @@ -304,7 +304,7 @@ host1x_bo_lookup(struct drm_file *file, u32 handle) if (!gem) return NULL; - drm_gem_object_unreference_unlocked(gem); + drm_gem_object_put_unlocked(gem); bo = to_tegra_bo(gem); return &bo->base; @@ -591,7 +591,7 @@ static int tegra_gem_mmap(struct drm_device *drm, void *data, args->offset = drm_vma_node_offset_addr(&bo->gem.vma_node); - drm_gem_object_unreference_unlocked(gem); + drm_gem_object_put_unlocked(gem); return 0; } @@ -858,7 +858,7 @@ static int tegra_gem_set_tiling(struct drm_device *drm, void *data, bo->tiling.mode = mode; bo->tiling.value = value; - drm_gem_object_unreference_unlocked(gem); + drm_gem_object_put_unlocked(gem); return 0; } @@ -898,7 +898,7 @@ static int tegra_gem_get_tiling(struct drm_device *drm, void *data, break; } - drm_gem_object_unreference_unlocked(gem); + drm_gem_object_put_unlocked(gem); return err; } @@ -923,7 +923,7 @@ static int tegra_gem_set_flags(struct drm_device *drm, void *data, if (args->flags & DRM_TEGRA_GEM_BOTTOM_UP) bo->flags |= TEGRA_BO_BOTTOM_UP; - drm_gem_object_unreference_unlocked(gem); + drm_gem_object_put_unlocked(gem); return 0; } @@ -945,7 +945,7 @@ static int tegra_gem_get_flags(struct drm_device *drm, void *data, if (bo->flags & TEGRA_BO_BOTTOM_UP) args->flags |= DRM_TEGRA_GEM_BOTTOM_UP; - drm_gem_object_unreference_unlocked(gem); + drm_gem_object_put_unlocked(gem); return 0; } diff --git a/drivers/gpu/drm/tegra/fb.c b/drivers/gpu/drm/tegra/fb.c index 25acb73ee728..80540c1c66dc 100644 --- a/drivers/gpu/drm/tegra/fb.c +++ b/drivers/gpu/drm/tegra/fb.c @@ -88,7 +88,7 @@ static void tegra_fb_destroy(struct drm_framebuffer *framebuffer) if (bo->pages) vunmap(bo->vaddr); - drm_gem_object_unreference_unlocked(&bo->gem); + drm_gem_object_put_unlocked(&bo->gem); } } @@ -195,7 +195,7 @@ struct drm_framebuffer *tegra_fb_create(struct drm_device *drm, unreference: while (i--) - drm_gem_object_unreference_unlocked(&planes[i]->gem); + drm_gem_object_put_unlocked(&planes[i]->gem); return ERR_PTR(err); } @@ -242,7 +242,7 @@ static int tegra_fbdev_probe(struct drm_fb_helper *helper, info = drm_fb_helper_alloc_fbi(helper); if (IS_ERR(info)) { dev_err(drm->dev, "failed to allocate framebuffer info\n"); - drm_gem_object_unreference_unlocked(&bo->gem); + drm_gem_object_put_unlocked(&bo->gem); return PTR_ERR(info); } @@ -251,7 +251,7 @@ static int tegra_fbdev_probe(struct drm_fb_helper *helper, err = PTR_ERR(fbdev->fb); dev_err(drm->dev, "failed to allocate DRM framebuffer: %d\n", err); - drm_gem_object_unreference_unlocked(&bo->gem); + drm_gem_object_put_unlocked(&bo->gem); return PTR_ERR(fbdev->fb); } diff --git a/drivers/gpu/drm/tegra/gem.c b/drivers/gpu/drm/tegra/gem.c index 7a39a355678a..fe77bcd23800 100644 --- a/drivers/gpu/drm/tegra/gem.c +++ b/drivers/gpu/drm/tegra/gem.c @@ -24,7 +24,7 @@ static void tegra_bo_put(struct host1x_bo *bo) { struct tegra_bo *obj = host1x_to_tegra_bo(bo); - drm_gem_object_unreference_unlocked(&obj->gem); + drm_gem_object_put_unlocked(&obj->gem); } static dma_addr_t tegra_bo_pin(struct host1x_bo *bo, struct sg_table **sgt) @@ -95,7 +95,7 @@ static struct host1x_bo *tegra_bo_get(struct host1x_bo *bo) { struct tegra_bo *obj = host1x_to_tegra_bo(bo); - drm_gem_object_reference(&obj->gem); + drm_gem_object_get(&obj->gem); return bo; } @@ -325,7 +325,7 @@ struct tegra_bo *tegra_bo_create_with_handle(struct drm_file *file, return ERR_PTR(err); } - drm_gem_object_unreference_unlocked(&bo->gem); + drm_gem_object_put_unlocked(&bo->gem); return bo; } @@ -439,7 +439,7 @@ int tegra_bo_dumb_map_offset(struct drm_file *file, struct drm_device *drm, *offset = drm_vma_node_offset_addr(&bo->gem.vma_node); - drm_gem_object_unreference_unlocked(gem); + drm_gem_object_put_unlocked(gem); return 0; } @@ -654,7 +654,7 @@ struct drm_gem_object *tegra_gem_prime_import(struct drm_device *drm, struct drm_gem_object *gem = buf->priv; if (gem->dev == drm) { - drm_gem_object_reference(gem); + drm_gem_object_get(gem); return gem; } } -- cgit v1.2.3 From a8bc8c6510d64b759644647a03f8aec55056bded Mon Sep 17 00:00:00 2001 From: Thierry Reding Date: Tue, 15 Aug 2017 15:42:40 +0200 Subject: drm/tegra: gem: Implement mmap() for PRIME buffers The mapping of PRIME buffers can reuse much of the GEM mapping code, so extract the common bits into a new tegra_gem_mmap() helper. Reviewed-by: Chris Wilson Signed-off-by: Thierry Reding --- drivers/gpu/drm/tegra/gem.c | 49 +++++++++++++++++++++++++++++++-------------- 1 file changed, 34 insertions(+), 15 deletions(-) (limited to 'drivers/gpu/drm/tegra/gem.c') diff --git a/drivers/gpu/drm/tegra/gem.c b/drivers/gpu/drm/tegra/gem.c index fe77bcd23800..ef068556a9d7 100644 --- a/drivers/gpu/drm/tegra/gem.c +++ b/drivers/gpu/drm/tegra/gem.c @@ -481,30 +481,28 @@ const struct vm_operations_struct tegra_bo_vm_ops = { .close = drm_gem_vm_close, }; -int tegra_drm_mmap(struct file *file, struct vm_area_struct *vma) +static int tegra_gem_mmap(struct drm_gem_object *gem, + struct vm_area_struct *vma) { - struct drm_gem_object *gem; - struct tegra_bo *bo; - int ret; - - ret = drm_gem_mmap(file, vma); - if (ret) - return ret; - - gem = vma->vm_private_data; - bo = to_tegra_bo(gem); + struct tegra_bo *bo = to_tegra_bo(gem); if (!bo->pages) { unsigned long vm_pgoff = vma->vm_pgoff; + int err; + /* + * Clear the VM_PFNMAP flag that was set by drm_gem_mmap(), + * and set the vm_pgoff (used as a fake buffer offset by DRM) + * to 0 as we want to map the whole buffer. + */ vma->vm_flags &= ~VM_PFNMAP; vma->vm_pgoff = 0; - ret = dma_mmap_wc(gem->dev->dev, vma, bo->vaddr, bo->paddr, + err = dma_mmap_wc(gem->dev->dev, vma, bo->vaddr, bo->paddr, gem->size); - if (ret) { + if (err < 0) { drm_gem_vm_close(vma); - return ret; + return err; } vma->vm_pgoff = vm_pgoff; @@ -520,6 +518,20 @@ int tegra_drm_mmap(struct file *file, struct vm_area_struct *vma) return 0; } +int tegra_drm_mmap(struct file *file, struct vm_area_struct *vma) +{ + struct drm_gem_object *gem; + int err; + + err = drm_gem_mmap(file, vma); + if (err < 0) + return err; + + gem = vma->vm_private_data; + + return tegra_gem_mmap(gem, vma); +} + static struct sg_table * tegra_gem_prime_map_dma_buf(struct dma_buf_attachment *attach, enum dma_data_direction dir) @@ -603,7 +615,14 @@ static void tegra_gem_prime_kunmap(struct dma_buf *buf, unsigned long page, static int tegra_gem_prime_mmap(struct dma_buf *buf, struct vm_area_struct *vma) { - return -EINVAL; + struct drm_gem_object *gem = buf->priv; + int err; + + err = drm_gem_mmap_obj(gem, gem->size, vma); + if (err < 0) + return err; + + return tegra_gem_mmap(gem, vma); } static void *tegra_gem_prime_vmap(struct dma_buf *buf) -- cgit v1.2.3