diff options
Diffstat (limited to 'drivers/staging/imx-drm/imx-drm-core.c')
| -rw-r--r-- | drivers/staging/imx-drm/imx-drm-core.c | 62 |
1 files changed, 41 insertions, 21 deletions
diff --git a/drivers/staging/imx-drm/imx-drm-core.c b/drivers/staging/imx-drm/imx-drm-core.c index a2e52a0c53c9..6bd015ac9d68 100644 --- a/drivers/staging/imx-drm/imx-drm-core.c +++ b/drivers/staging/imx-drm/imx-drm-core.c @@ -68,6 +68,12 @@ struct imx_drm_connector { struct module *owner; }; +int imx_drm_crtc_id(struct imx_drm_crtc *crtc) +{ + return crtc->pipe; +} +EXPORT_SYMBOL_GPL(imx_drm_crtc_id); + static void imx_drm_driver_lastclose(struct drm_device *drm) { struct imx_drm_device *imxdrm = drm->dev_private; @@ -110,18 +116,12 @@ int imx_drm_crtc_panel_format_pins(struct drm_crtc *crtc, u32 encoder_type, struct imx_drm_crtc *imx_crtc; struct imx_drm_crtc_helper_funcs *helper; - mutex_lock(&imxdrm->mutex); - list_for_each_entry(imx_crtc, &imxdrm->crtc_list, list) if (imx_crtc->crtc == crtc) goto found; - mutex_unlock(&imxdrm->mutex); - return -EINVAL; found: - mutex_unlock(&imxdrm->mutex); - helper = &imx_crtc->imx_drm_helper_funcs; if (helper->set_interface_pix_fmt) return helper->set_interface_pix_fmt(crtc, @@ -191,6 +191,18 @@ static void imx_drm_disable_vblank(struct drm_device *drm, int crtc) imx_drm_crtc->imx_drm_helper_funcs.disable_vblank(imx_drm_crtc->crtc); } +static void imx_drm_driver_preclose(struct drm_device *drm, + struct drm_file *file) +{ + int i; + + if (!file->is_master) + return; + + for (i = 0; i < 4; i++) + imx_drm_disable_vblank(drm , i); +} + static const struct file_operations imx_drm_driver_fops = { .owner = THIS_MODULE, .open = drm_open, @@ -396,14 +408,14 @@ static int imx_drm_driver_load(struct drm_device *drm, unsigned long flags) /* * enable drm irq mode. - * - with irq_enabled = 1, we can use the vblank feature. + * - with irq_enabled = true, we can use the vblank feature. * * P.S. note that we wouldn't use drm irq handler but * just specific driver own one instead because * drm framework supports only one irq handler and * drivers can well take care of their interrupts */ - drm->irq_enabled = 1; + drm->irq_enabled = true; drm_mode_config_init(drm); imx_drm_mode_config_init(drm); @@ -423,11 +435,11 @@ static int imx_drm_driver_load(struct drm_device *drm, unsigned long flags) goto err_init; /* - * with vblank_disable_allowed = 1, vblank interrupt will be disabled + * with vblank_disable_allowed = true, vblank interrupt will be disabled * by drm timer once a current process gives up ownership of * vblank event.(after drm_vblank_put function is called) */ - imxdrm->drm->vblank_disable_allowed = 1; + imxdrm->drm->vblank_disable_allowed = true; if (!imx_drm_device_get()) ret = -EINVAL; @@ -647,20 +659,14 @@ int imx_drm_encoder_get_mux_id(struct imx_drm_encoder *imx_drm_encoder, struct imx_drm_crtc *imx_crtc; int i = 0; - mutex_lock(&imxdrm->mutex); - list_for_each_entry(imx_crtc, &imxdrm->crtc_list, list) { if (imx_crtc->crtc == crtc) goto found; i++; } - mutex_unlock(&imxdrm->mutex); - return -EINVAL; found: - mutex_unlock(&imxdrm->mutex); - return i; } EXPORT_SYMBOL_GPL(imx_drm_encoder_get_mux_id); @@ -774,16 +780,26 @@ static const struct drm_ioctl_desc imx_drm_ioctls[] = { }; static struct drm_driver imx_drm_driver = { - .driver_features = DRIVER_MODESET | DRIVER_GEM, + .driver_features = DRIVER_MODESET | DRIVER_GEM | DRIVER_PRIME, .load = imx_drm_driver_load, .unload = imx_drm_driver_unload, .lastclose = imx_drm_driver_lastclose, + .preclose = imx_drm_driver_preclose, .gem_free_object = drm_gem_cma_free_object, .gem_vm_ops = &drm_gem_cma_vm_ops, .dumb_create = drm_gem_cma_dumb_create, .dumb_map_offset = drm_gem_cma_dumb_map_offset, .dumb_destroy = drm_gem_dumb_destroy, + .prime_handle_to_fd = drm_gem_prime_handle_to_fd, + .prime_fd_to_handle = drm_gem_prime_fd_to_handle, + .gem_prime_import = drm_gem_prime_import, + .gem_prime_export = drm_gem_prime_export, + .gem_prime_get_sg_table = drm_gem_cma_prime_get_sg_table, + .gem_prime_import_sg_table = drm_gem_cma_prime_import_sg_table, + .gem_prime_vmap = drm_gem_cma_prime_vmap, + .gem_prime_vunmap = drm_gem_cma_prime_vunmap, + .gem_prime_mmap = drm_gem_cma_prime_mmap, .get_vblank_counter = drm_vblank_count, .enable_vblank = imx_drm_enable_vblank, .disable_vblank = imx_drm_disable_vblank, @@ -800,6 +816,12 @@ static struct drm_driver imx_drm_driver = { static int imx_drm_platform_probe(struct platform_device *pdev) { + int ret; + + ret = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32)); + if (ret) + return ret; + imx_drm_device->dev = &pdev->dev; return drm_platform_init(&imx_drm_driver, pdev); @@ -837,13 +859,11 @@ static int __init imx_drm_init(void) INIT_LIST_HEAD(&imx_drm_device->encoder_list); imx_drm_pdev = platform_device_register_simple("imx-drm", -1, NULL, 0); - if (!imx_drm_pdev) { - ret = -EINVAL; + if (IS_ERR(imx_drm_pdev)) { + ret = PTR_ERR(imx_drm_pdev); goto err_pdev; } - imx_drm_pdev->dev.coherent_dma_mask = DMA_BIT_MASK(32), - ret = platform_driver_register(&imx_drm_pdrv); if (ret) goto err_pdrv; |