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path: root/drivers/gpu/drm/mediatek/mtk_drm_drv.c
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Diffstat (limited to 'drivers/gpu/drm/mediatek/mtk_drm_drv.c')
-rw-r--r--drivers/gpu/drm/mediatek/mtk_drm_drv.c39
1 files changed, 6 insertions, 33 deletions
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
index 59c85c63b7cc..2f717df28a77 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
@@ -241,21 +241,10 @@ static int mtk_drm_kms_init(struct drm_device *drm)
* Configure the DMA segment size to make sure we get contiguous IOVA
* when importing PRIME buffers.
*/
- if (!dma_dev->dma_parms) {
- private->dma_parms_allocated = true;
- dma_dev->dma_parms =
- devm_kzalloc(drm->dev, sizeof(*dma_dev->dma_parms),
- GFP_KERNEL);
- }
- if (!dma_dev->dma_parms) {
- ret = -ENOMEM;
- goto put_dma_dev;
- }
-
- ret = dma_set_max_seg_size(dma_dev, (unsigned int)DMA_BIT_MASK(32));
+ ret = dma_set_max_seg_size(dma_dev, UINT_MAX);
if (ret) {
dev_err(dma_dev, "Failed to set DMA segment size\n");
- goto err_unset_dma_parms;
+ goto err_component_unbind;
}
/*
@@ -266,18 +255,13 @@ static int mtk_drm_kms_init(struct drm_device *drm)
drm->irq_enabled = true;
ret = drm_vblank_init(drm, MAX_CRTC);
if (ret < 0)
- goto err_unset_dma_parms;
+ goto err_component_unbind;
drm_kms_helper_poll_init(drm);
drm_mode_config_reset(drm);
return 0;
-err_unset_dma_parms:
- if (private->dma_parms_allocated)
- dma_dev->dma_parms = NULL;
-put_dma_dev:
- put_device(private->dma_dev);
err_component_unbind:
component_unbind_all(drm->dev, drm);
put_mutex_dev:
@@ -287,14 +271,9 @@ put_mutex_dev:
static void mtk_drm_kms_deinit(struct drm_device *drm)
{
- struct mtk_drm_private *private = drm->dev_private;
-
drm_kms_helper_poll_fini(drm);
drm_atomic_helper_shutdown(drm);
- if (private->dma_parms_allocated)
- private->dma_dev->dma_parms = NULL;
-
component_unbind_all(drm->dev, drm);
}
@@ -313,29 +292,24 @@ static const struct file_operations mtk_drm_fops = {
* We need to override this because the device used to import the memory is
* not dev->dev, as drm_gem_prime_import() expects.
*/
-struct drm_gem_object *mtk_drm_gem_prime_import(struct drm_device *dev,
- struct dma_buf *dma_buf)
+static struct drm_gem_object *mtk_drm_gem_prime_import(struct drm_device *dev,
+ struct dma_buf *dma_buf)
{
struct mtk_drm_private *private = dev->dev_private;
return drm_gem_prime_import_dev(dev, dma_buf, private->dma_dev);
}
-static struct drm_driver mtk_drm_driver = {
+static const struct drm_driver mtk_drm_driver = {
.driver_features = DRIVER_MODESET | DRIVER_GEM | DRIVER_ATOMIC,
- .gem_free_object_unlocked = mtk_drm_gem_free_object,
- .gem_vm_ops = &drm_gem_cma_vm_ops,
.dumb_create = mtk_drm_gem_dumb_create,
.prime_handle_to_fd = drm_gem_prime_handle_to_fd,
.prime_fd_to_handle = drm_gem_prime_fd_to_handle,
.gem_prime_import = mtk_drm_gem_prime_import,
- .gem_prime_get_sg_table = mtk_gem_prime_get_sg_table,
.gem_prime_import_sg_table = mtk_gem_prime_import_sg_table,
.gem_prime_mmap = mtk_drm_gem_mmap_buf,
- .gem_prime_vmap = mtk_drm_gem_prime_vmap,
- .gem_prime_vunmap = mtk_drm_gem_prime_vunmap,
.fops = &mtk_drm_fops,
.name = DRIVER_NAME,
@@ -636,7 +610,6 @@ static struct platform_driver * const mtk_drm_drivers[] = {
&mtk_disp_rdma_driver,
&mtk_dpi_driver,
&mtk_drm_platform_driver,
- &mtk_mipi_tx_driver,
&mtk_dsi_driver,
};