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path: root/drivers/gpu/drm/sun4i/sun4i_drv.c
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Diffstat (limited to 'drivers/gpu/drm/sun4i/sun4i_drv.c')
-rw-r--r--drivers/gpu/drm/sun4i/sun4i_drv.c85
1 files changed, 26 insertions, 59 deletions
diff --git a/drivers/gpu/drm/sun4i/sun4i_drv.c b/drivers/gpu/drm/sun4i/sun4i_drv.c
index 4ce665349f6b..8ddd72cd5873 100644
--- a/drivers/gpu/drm/sun4i/sun4i_drv.c
+++ b/drivers/gpu/drm/sun4i/sun4i_drv.c
@@ -12,6 +12,7 @@
#include <linux/component.h>
#include <linux/of_graph.h>
+#include <linux/of_reserved_mem.h>
#include <drm/drmP.h>
#include <drm/drm_crtc_helper.h>
@@ -20,45 +21,11 @@
#include <drm/drm_fb_helper.h>
#include <drm/drm_of.h>
-#include "sun4i_crtc.h"
#include "sun4i_drv.h"
#include "sun4i_framebuffer.h"
-#include "sun4i_layer.h"
#include "sun4i_tcon.h"
-static int sun4i_drv_enable_vblank(struct drm_device *drm, unsigned int pipe)
-{
- struct sun4i_drv *drv = drm->dev_private;
- struct sun4i_tcon *tcon = drv->tcon;
-
- DRM_DEBUG_DRIVER("Enabling VBLANK on pipe %d\n", pipe);
-
- sun4i_tcon_enable_vblank(tcon, true);
-
- return 0;
-}
-
-static void sun4i_drv_disable_vblank(struct drm_device *drm, unsigned int pipe)
-{
- struct sun4i_drv *drv = drm->dev_private;
- struct sun4i_tcon *tcon = drv->tcon;
-
- DRM_DEBUG_DRIVER("Disabling VBLANK on pipe %d\n", pipe);
-
- sun4i_tcon_enable_vblank(tcon, false);
-}
-
-static const struct file_operations sun4i_drv_fops = {
- .owner = THIS_MODULE,
- .open = drm_open,
- .release = drm_release,
- .unlocked_ioctl = drm_ioctl,
- .compat_ioctl = drm_compat_ioctl,
- .poll = drm_poll,
- .read = drm_read,
- .llseek = no_llseek,
- .mmap = drm_gem_cma_mmap,
-};
+DEFINE_DRM_GEM_CMA_FOPS(sun4i_drv_fops);
static struct drm_driver sun4i_drv_driver = {
.driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_PRIME | DRIVER_ATOMIC,
@@ -90,11 +57,6 @@ static struct drm_driver sun4i_drv_driver = {
.gem_prime_mmap = drm_gem_cma_prime_mmap,
/* Frame Buffer Operations */
-
- /* VBlank Operations */
- .get_vblank_counter = drm_vblank_no_hw_counter,
- .enable_vblank = sun4i_drv_enable_vblank,
- .disable_vblank = sun4i_drv_disable_vblank,
};
static void sun4i_remove_framebuffers(void)
@@ -130,30 +92,25 @@ static int sun4i_drv_bind(struct device *dev)
}
drm->dev_private = drv;
- drm_vblank_init(drm, 1);
+ ret = of_reserved_mem_device_init(dev);
+ if (ret && ret != -ENODEV) {
+ dev_err(drm->dev, "Couldn't claim our memory region\n");
+ goto free_drm;
+ }
+
+ /* drm_vblank_init calls kcalloc, which can fail */
+ ret = drm_vblank_init(drm, 1);
+ if (ret)
+ goto free_mem_region;
+
drm_mode_config_init(drm);
ret = component_bind_all(drm->dev, drm);
if (ret) {
dev_err(drm->dev, "Couldn't bind all pipelines components\n");
- goto free_drm;
- }
-
- /* Create our layers */
- drv->layers = sun4i_layers_init(drm);
- if (IS_ERR(drv->layers)) {
- dev_err(drm->dev, "Couldn't create the planes\n");
- ret = PTR_ERR(drv->layers);
- goto free_drm;
+ goto cleanup_mode_config;
}
- /* Create our CRTC */
- drv->crtc = sun4i_crtc_init(drm);
- if (!drv->crtc) {
- dev_err(drm->dev, "Couldn't create the CRTC\n");
- ret = -EINVAL;
- goto free_drm;
- }
drm->irq_enabled = true;
/* Remove early framebuffers (ie. simplefb) */
@@ -164,7 +121,7 @@ static int sun4i_drv_bind(struct device *dev)
if (IS_ERR(drv->fbdev)) {
dev_err(drm->dev, "Couldn't create our framebuffer\n");
ret = PTR_ERR(drv->fbdev);
- goto free_drm;
+ goto cleanup_mode_config;
}
/* Enable connectors polling */
@@ -172,10 +129,18 @@ static int sun4i_drv_bind(struct device *dev)
ret = drm_dev_register(drm, 0);
if (ret)
- goto free_drm;
+ goto finish_poll;
return 0;
+finish_poll:
+ drm_kms_helper_poll_fini(drm);
+ sun4i_framebuffer_free(drm);
+cleanup_mode_config:
+ drm_mode_config_cleanup(drm);
+ drm_vblank_cleanup(drm);
+free_mem_region:
+ of_reserved_mem_device_release(dev);
free_drm:
drm_dev_unref(drm);
return ret;
@@ -188,7 +153,9 @@ static void sun4i_drv_unbind(struct device *dev)
drm_dev_unregister(drm);
drm_kms_helper_poll_fini(drm);
sun4i_framebuffer_free(drm);
+ drm_mode_config_cleanup(drm);
drm_vblank_cleanup(drm);
+ of_reserved_mem_device_release(dev);
drm_dev_unref(drm);
}