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-rw-r--r--drivers/gpu/drm/tiny/gm12u320.c226
-rw-r--r--drivers/gpu/drm/tiny/hx8357d.c5
-rw-r--r--drivers/gpu/drm/tiny/ili9225.c5
-rw-r--r--drivers/gpu/drm/tiny/ili9341.c5
-rw-r--r--drivers/gpu/drm/tiny/ili9486.c5
-rw-r--r--drivers/gpu/drm/tiny/mi0283qt.c5
-rw-r--r--drivers/gpu/drm/tiny/repaper.c18
-rw-r--r--drivers/gpu/drm/tiny/st7586.c5
-rw-r--r--drivers/gpu/drm/tiny/st7735r.c5
9 files changed, 105 insertions, 174 deletions
diff --git a/drivers/gpu/drm/tiny/gm12u320.c b/drivers/gpu/drm/tiny/gm12u320.c
index a48173441ae0..6f0ea2827d62 100644
--- a/drivers/gpu/drm/tiny/gm12u320.c
+++ b/drivers/gpu/drm/tiny/gm12u320.c
@@ -19,6 +19,7 @@
#include <drm/drm_gem_shmem_helper.h>
#include <drm/drm_gem_framebuffer_helper.h>
#include <drm/drm_ioctl.h>
+#include <drm/drm_managed.h>
#include <drm/drm_modeset_helper_vtables.h>
#include <drm/drm_probe_helper.h>
#include <drm/drm_simple_kms_helper.h>
@@ -87,15 +88,13 @@ struct gm12u320_device {
struct usb_device *udev;
unsigned char *cmd_buf;
unsigned char *data_buf[GM12U320_BLOCK_COUNT];
- bool pipe_enabled;
struct {
- bool run;
- struct workqueue_struct *workq;
- struct work_struct work;
- wait_queue_head_t waitq;
+ struct delayed_work work;
struct mutex lock;
struct drm_framebuffer *fb;
struct drm_rect rect;
+ int frame;
+ int draw_status_timeout;
} fb_update;
};
@@ -159,7 +158,7 @@ static int gm12u320_usb_alloc(struct gm12u320_device *gm12u320)
int i, block_size;
const char *hdr;
- gm12u320->cmd_buf = kmalloc(CMD_SIZE, GFP_KERNEL);
+ gm12u320->cmd_buf = drmm_kmalloc(&gm12u320->dev, CMD_SIZE, GFP_KERNEL);
if (!gm12u320->cmd_buf)
return -ENOMEM;
@@ -172,7 +171,8 @@ static int gm12u320_usb_alloc(struct gm12u320_device *gm12u320)
hdr = data_block_header;
}
- gm12u320->data_buf[i] = kzalloc(block_size, GFP_KERNEL);
+ gm12u320->data_buf[i] = drmm_kzalloc(&gm12u320->dev,
+ block_size, GFP_KERNEL);
if (!gm12u320->data_buf[i])
return -ENOMEM;
@@ -182,26 +182,9 @@ static int gm12u320_usb_alloc(struct gm12u320_device *gm12u320)
data_block_footer, DATA_BLOCK_FOOTER_SIZE);
}
- gm12u320->fb_update.workq = create_singlethread_workqueue(DRIVER_NAME);
- if (!gm12u320->fb_update.workq)
- return -ENOMEM;
-
return 0;
}
-static void gm12u320_usb_free(struct gm12u320_device *gm12u320)
-{
- int i;
-
- if (gm12u320->fb_update.workq)
- destroy_workqueue(gm12u320->fb_update.workq);
-
- for (i = 0; i < GM12U320_BLOCK_COUNT; i++)
- kfree(gm12u320->data_buf[i]);
-
- kfree(gm12u320->cmd_buf);
-}
-
static int gm12u320_misc_request(struct gm12u320_device *gm12u320,
u8 req_a, u8 req_b,
u8 arg_a, u8 arg_b, u8 arg_c, u8 arg_d)
@@ -344,80 +327,77 @@ unlock:
static void gm12u320_fb_update_work(struct work_struct *work)
{
struct gm12u320_device *gm12u320 =
- container_of(work, struct gm12u320_device, fb_update.work);
- int draw_status_timeout = FIRST_FRAME_TIMEOUT;
+ container_of(to_delayed_work(work), struct gm12u320_device,
+ fb_update.work);
int block, block_size, len;
- int frame = 0;
int ret = 0;
- while (gm12u320->fb_update.run) {
- gm12u320_copy_fb_to_blocks(gm12u320);
-
- for (block = 0; block < GM12U320_BLOCK_COUNT; block++) {
- if (block == GM12U320_BLOCK_COUNT - 1)
- block_size = DATA_LAST_BLOCK_SIZE;
- else
- block_size = DATA_BLOCK_SIZE;
-
- /* Send data command to device */
- memcpy(gm12u320->cmd_buf, cmd_data, CMD_SIZE);
- gm12u320->cmd_buf[8] = block_size & 0xff;
- gm12u320->cmd_buf[9] = block_size >> 8;
- gm12u320->cmd_buf[20] = 0xfc - block * 4;
- gm12u320->cmd_buf[21] = block | (frame << 7);
-
- ret = usb_bulk_msg(gm12u320->udev,
- usb_sndbulkpipe(gm12u320->udev, DATA_SND_EPT),
- gm12u320->cmd_buf, CMD_SIZE, &len,
- CMD_TIMEOUT);
- if (ret || len != CMD_SIZE)
- goto err;
-
- /* Send data block to device */
- ret = usb_bulk_msg(gm12u320->udev,
- usb_sndbulkpipe(gm12u320->udev, DATA_SND_EPT),
- gm12u320->data_buf[block], block_size,
- &len, DATA_TIMEOUT);
- if (ret || len != block_size)
- goto err;
-
- /* Read status */
- ret = usb_bulk_msg(gm12u320->udev,
- usb_rcvbulkpipe(gm12u320->udev, DATA_RCV_EPT),
- gm12u320->cmd_buf, READ_STATUS_SIZE, &len,
- CMD_TIMEOUT);
- if (ret || len != READ_STATUS_SIZE)
- goto err;
- }
+ gm12u320_copy_fb_to_blocks(gm12u320);
+
+ for (block = 0; block < GM12U320_BLOCK_COUNT; block++) {
+ if (block == GM12U320_BLOCK_COUNT - 1)
+ block_size = DATA_LAST_BLOCK_SIZE;
+ else
+ block_size = DATA_BLOCK_SIZE;
+
+ /* Send data command to device */
+ memcpy(gm12u320->cmd_buf, cmd_data, CMD_SIZE);
+ gm12u320->cmd_buf[8] = block_size & 0xff;
+ gm12u320->cmd_buf[9] = block_size >> 8;
+ gm12u320->cmd_buf[20] = 0xfc - block * 4;
+ gm12u320->cmd_buf[21] =
+ block | (gm12u320->fb_update.frame << 7);
- /* Send draw command to device */
- memcpy(gm12u320->cmd_buf, cmd_draw, CMD_SIZE);
ret = usb_bulk_msg(gm12u320->udev,
usb_sndbulkpipe(gm12u320->udev, DATA_SND_EPT),
- gm12u320->cmd_buf, CMD_SIZE, &len, CMD_TIMEOUT);
+ gm12u320->cmd_buf, CMD_SIZE, &len,
+ CMD_TIMEOUT);
if (ret || len != CMD_SIZE)
goto err;
+ /* Send data block to device */
+ ret = usb_bulk_msg(gm12u320->udev,
+ usb_sndbulkpipe(gm12u320->udev, DATA_SND_EPT),
+ gm12u320->data_buf[block], block_size,
+ &len, DATA_TIMEOUT);
+ if (ret || len != block_size)
+ goto err;
+
/* Read status */
ret = usb_bulk_msg(gm12u320->udev,
usb_rcvbulkpipe(gm12u320->udev, DATA_RCV_EPT),
gm12u320->cmd_buf, READ_STATUS_SIZE, &len,
- draw_status_timeout);
+ CMD_TIMEOUT);
if (ret || len != READ_STATUS_SIZE)
goto err;
-
- draw_status_timeout = CMD_TIMEOUT;
- frame = !frame;
-
- /*
- * We must draw a frame every 2s otherwise the projector
- * switches back to showing its logo.
- */
- wait_event_timeout(gm12u320->fb_update.waitq,
- !gm12u320->fb_update.run ||
- gm12u320->fb_update.fb != NULL,
- IDLE_TIMEOUT);
}
+
+ /* Send draw command to device */
+ memcpy(gm12u320->cmd_buf, cmd_draw, CMD_SIZE);
+ ret = usb_bulk_msg(gm12u320->udev,
+ usb_sndbulkpipe(gm12u320->udev, DATA_SND_EPT),
+ gm12u320->cmd_buf, CMD_SIZE, &len, CMD_TIMEOUT);
+ if (ret || len != CMD_SIZE)
+ goto err;
+
+ /* Read status */
+ ret = usb_bulk_msg(gm12u320->udev,
+ usb_rcvbulkpipe(gm12u320->udev, DATA_RCV_EPT),
+ gm12u320->cmd_buf, READ_STATUS_SIZE, &len,
+ gm12u320->fb_update.draw_status_timeout);
+ if (ret || len != READ_STATUS_SIZE)
+ goto err;
+
+ gm12u320->fb_update.draw_status_timeout = CMD_TIMEOUT;
+ gm12u320->fb_update.frame = !gm12u320->fb_update.frame;
+
+ /*
+ * We must draw a frame every 2s otherwise the projector
+ * switches back to showing its logo.
+ */
+ queue_delayed_work(system_long_wq, &gm12u320->fb_update.work,
+ IDLE_TIMEOUT);
+
return;
err:
/* Do not log errors caused by module unload or device unplug */
@@ -452,36 +432,24 @@ static void gm12u320_fb_mark_dirty(struct drm_framebuffer *fb,
mutex_unlock(&gm12u320->fb_update.lock);
if (wakeup)
- wake_up(&gm12u320->fb_update.waitq);
+ mod_delayed_work(system_long_wq, &gm12u320->fb_update.work, 0);
if (old_fb)
drm_framebuffer_put(old_fb);
}
-static void gm12u320_start_fb_update(struct gm12u320_device *gm12u320)
-{
- mutex_lock(&gm12u320->fb_update.lock);
- gm12u320->fb_update.run = true;
- mutex_unlock(&gm12u320->fb_update.lock);
-
- queue_work(gm12u320->fb_update.workq, &gm12u320->fb_update.work);
-}
-
static void gm12u320_stop_fb_update(struct gm12u320_device *gm12u320)
{
- mutex_lock(&gm12u320->fb_update.lock);
- gm12u320->fb_update.run = false;
- mutex_unlock(&gm12u320->fb_update.lock);
+ struct drm_framebuffer *old_fb;
- wake_up(&gm12u320->fb_update.waitq);
- cancel_work_sync(&gm12u320->fb_update.work);
+ cancel_delayed_work_sync(&gm12u320->fb_update.work);
mutex_lock(&gm12u320->fb_update.lock);
- if (gm12u320->fb_update.fb) {
- drm_framebuffer_put(gm12u320->fb_update.fb);
- gm12u320->fb_update.fb = NULL;
- }
+ old_fb = gm12u320->fb_update.fb;
+ gm12u320->fb_update.fb = NULL;
mutex_unlock(&gm12u320->fb_update.lock);
+
+ drm_framebuffer_put(old_fb);
}
static int gm12u320_set_ecomode(struct gm12u320_device *gm12u320)
@@ -589,12 +557,11 @@ static void gm12u320_pipe_enable(struct drm_simple_display_pipe *pipe,
struct drm_crtc_state *crtc_state,
struct drm_plane_state *plane_state)
{
- struct gm12u320_device *gm12u320 = pipe->crtc.dev->dev_private;
struct drm_rect rect = { 0, 0, GM12U320_USER_WIDTH, GM12U320_HEIGHT };
+ struct gm12u320_device *gm12u320 = pipe->crtc.dev->dev_private;
+ gm12u320->fb_update.draw_status_timeout = FIRST_FRAME_TIMEOUT;
gm12u320_fb_mark_dirty(plane_state->fb, &rect);
- gm12u320_start_fb_update(gm12u320);
- gm12u320->pipe_enabled = true;
}
static void gm12u320_pipe_disable(struct drm_simple_display_pipe *pipe)
@@ -602,7 +569,6 @@ static void gm12u320_pipe_disable(struct drm_simple_display_pipe *pipe)
struct gm12u320_device *gm12u320 = pipe->crtc.dev->dev_private;
gm12u320_stop_fb_update(gm12u320);
- gm12u320->pipe_enabled = false;
}
static void gm12u320_pipe_update(struct drm_simple_display_pipe *pipe,
@@ -630,16 +596,6 @@ static const uint64_t gm12u320_pipe_modifiers[] = {
DRM_FORMAT_MOD_INVALID
};
-static void gm12u320_driver_release(struct drm_device *dev)
-{
- struct gm12u320_device *gm12u320 = dev->dev_private;
-
- gm12u320_usb_free(gm12u320);
- drm_mode_config_cleanup(dev);
- drm_dev_fini(dev);
- kfree(gm12u320);
-}
-
DEFINE_DRM_GEM_FOPS(gm12u320_fops);
static struct drm_driver gm12u320_drm_driver = {
@@ -651,7 +607,6 @@ static struct drm_driver gm12u320_drm_driver = {
.major = DRIVER_MAJOR,
.minor = DRIVER_MINOR,
- .release = gm12u320_driver_release,
.fops = &gm12u320_fops,
DRM_GEM_SHMEM_DRIVER_OPS,
};
@@ -681,19 +636,22 @@ static int gm12u320_usb_probe(struct usb_interface *interface,
return -ENOMEM;
gm12u320->udev = interface_to_usbdev(interface);
- INIT_WORK(&gm12u320->fb_update.work, gm12u320_fb_update_work);
+ INIT_DELAYED_WORK(&gm12u320->fb_update.work, gm12u320_fb_update_work);
mutex_init(&gm12u320->fb_update.lock);
- init_waitqueue_head(&gm12u320->fb_update.waitq);
dev = &gm12u320->dev;
- ret = drm_dev_init(dev, &gm12u320_drm_driver, &interface->dev);
+ ret = devm_drm_dev_init(&interface->dev, dev, &gm12u320_drm_driver);
if (ret) {
kfree(gm12u320);
return ret;
}
dev->dev_private = gm12u320;
+ drmm_add_final_kfree(dev, gm12u320);
+
+ ret = drmm_mode_config_init(dev);
+ if (ret)
+ return ret;
- drm_mode_config_init(dev);
dev->mode_config.min_width = GM12U320_USER_WIDTH;
dev->mode_config.max_width = GM12U320_USER_WIDTH;
dev->mode_config.min_height = GM12U320_HEIGHT;
@@ -702,15 +660,15 @@ static int gm12u320_usb_probe(struct usb_interface *interface,
ret = gm12u320_usb_alloc(gm12u320);
if (ret)
- goto err_put;
+ return ret;
ret = gm12u320_set_ecomode(gm12u320);
if (ret)
- goto err_put;
+ return ret;
ret = gm12u320_conn_init(gm12u320);
if (ret)
- goto err_put;
+ return ret;
ret = drm_simple_display_pipe_init(&gm12u320->dev,
&gm12u320->pipe,
@@ -720,44 +678,34 @@ static int gm12u320_usb_probe(struct usb_interface *interface,
gm12u320_pipe_modifiers,
&gm12u320->conn);
if (ret)
- goto err_put;
+ return ret;
drm_mode_config_reset(dev);
usb_set_intfdata(interface, dev);
ret = drm_dev_register(dev, 0);
if (ret)
- goto err_put;
+ return ret;
drm_fbdev_generic_setup(dev, 0);
return 0;
-
-err_put:
- drm_dev_put(dev);
- return ret;
}
static void gm12u320_usb_disconnect(struct usb_interface *interface)
{
struct drm_device *dev = usb_get_intfdata(interface);
- struct gm12u320_device *gm12u320 = dev->dev_private;
- gm12u320_stop_fb_update(gm12u320);
drm_dev_unplug(dev);
- drm_dev_put(dev);
+ drm_atomic_helper_shutdown(dev);
}
static __maybe_unused int gm12u320_suspend(struct usb_interface *interface,
pm_message_t message)
{
struct drm_device *dev = usb_get_intfdata(interface);
- struct gm12u320_device *gm12u320 = dev->dev_private;
- if (gm12u320->pipe_enabled)
- gm12u320_stop_fb_update(gm12u320);
-
- return 0;
+ return drm_mode_config_helper_suspend(dev);
}
static __maybe_unused int gm12u320_resume(struct usb_interface *interface)
@@ -766,10 +714,8 @@ static __maybe_unused int gm12u320_resume(struct usb_interface *interface)
struct gm12u320_device *gm12u320 = dev->dev_private;
gm12u320_set_ecomode(gm12u320);
- if (gm12u320->pipe_enabled)
- gm12u320_start_fb_update(gm12u320);
- return 0;
+ return drm_mode_config_helper_resume(dev);
}
static const struct usb_device_id id_table[] = {
diff --git a/drivers/gpu/drm/tiny/hx8357d.c b/drivers/gpu/drm/tiny/hx8357d.c
index 9af8ff84974f..af7f3d10aac3 100644
--- a/drivers/gpu/drm/tiny/hx8357d.c
+++ b/drivers/gpu/drm/tiny/hx8357d.c
@@ -21,6 +21,7 @@
#include <drm/drm_fb_helper.h>
#include <drm/drm_gem_cma_helper.h>
#include <drm/drm_gem_framebuffer_helper.h>
+#include <drm/drm_managed.h>
#include <drm/drm_mipi_dbi.h>
#include <drm/drm_modeset_helper.h>
#include <video/mipi_display.h>
@@ -195,7 +196,6 @@ DEFINE_DRM_GEM_CMA_FOPS(hx8357d_fops);
static struct drm_driver hx8357d_driver = {
.driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC,
.fops = &hx8357d_fops,
- .release = mipi_dbi_release,
DRM_GEM_CMA_VMAP_DRIVER_OPS,
.debugfs_init = mipi_dbi_debugfs_init,
.name = "hx8357d",
@@ -236,8 +236,7 @@ static int hx8357d_probe(struct spi_device *spi)
kfree(dbidev);
return ret;
}
-
- drm_mode_config_init(drm);
+ drmm_add_final_kfree(drm, dbidev);
dc = devm_gpiod_get(dev, "dc", GPIOD_OUT_LOW);
if (IS_ERR(dc)) {
diff --git a/drivers/gpu/drm/tiny/ili9225.c b/drivers/gpu/drm/tiny/ili9225.c
index 802fb8dde1b6..118477af4491 100644
--- a/drivers/gpu/drm/tiny/ili9225.c
+++ b/drivers/gpu/drm/tiny/ili9225.c
@@ -24,6 +24,7 @@
#include <drm/drm_fourcc.h>
#include <drm/drm_gem_cma_helper.h>
#include <drm/drm_gem_framebuffer_helper.h>
+#include <drm/drm_managed.h>
#include <drm/drm_mipi_dbi.h>
#include <drm/drm_rect.h>
@@ -345,7 +346,6 @@ DEFINE_DRM_GEM_CMA_FOPS(ili9225_fops);
static struct drm_driver ili9225_driver = {
.driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC,
.fops = &ili9225_fops,
- .release = mipi_dbi_release,
DRM_GEM_CMA_VMAP_DRIVER_OPS,
.name = "ili9225",
.desc = "Ilitek ILI9225",
@@ -387,8 +387,7 @@ static int ili9225_probe(struct spi_device *spi)
kfree(dbidev);
return ret;
}
-
- drm_mode_config_init(drm);
+ drmm_add_final_kfree(drm, dbidev);
dbi->reset = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH);
if (IS_ERR(dbi->reset)) {
diff --git a/drivers/gpu/drm/tiny/ili9341.c b/drivers/gpu/drm/tiny/ili9341.c
index 33b51dc7faa8..e152de369019 100644
--- a/drivers/gpu/drm/tiny/ili9341.c
+++ b/drivers/gpu/drm/tiny/ili9341.c
@@ -20,6 +20,7 @@
#include <drm/drm_fb_helper.h>
#include <drm/drm_gem_cma_helper.h>
#include <drm/drm_gem_framebuffer_helper.h>
+#include <drm/drm_managed.h>
#include <drm/drm_mipi_dbi.h>
#include <drm/drm_modeset_helper.h>
#include <video/mipi_display.h>
@@ -151,7 +152,6 @@ DEFINE_DRM_GEM_CMA_FOPS(ili9341_fops);
static struct drm_driver ili9341_driver = {
.driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC,
.fops = &ili9341_fops,
- .release = mipi_dbi_release,
DRM_GEM_CMA_VMAP_DRIVER_OPS,
.debugfs_init = mipi_dbi_debugfs_init,
.name = "ili9341",
@@ -194,8 +194,7 @@ static int ili9341_probe(struct spi_device *spi)
kfree(dbidev);
return ret;
}
-
- drm_mode_config_init(drm);
+ drmm_add_final_kfree(drm, dbidev);
dbi->reset = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_HIGH);
if (IS_ERR(dbi->reset)) {
diff --git a/drivers/gpu/drm/tiny/ili9486.c b/drivers/gpu/drm/tiny/ili9486.c
index 532560aebb1e..c4079bf9e2c8 100644
--- a/drivers/gpu/drm/tiny/ili9486.c
+++ b/drivers/gpu/drm/tiny/ili9486.c
@@ -19,6 +19,7 @@
#include <drm/drm_fb_helper.h>
#include <drm/drm_gem_cma_helper.h>
#include <drm/drm_gem_framebuffer_helper.h>
+#include <drm/drm_managed.h>
#include <drm/drm_mipi_dbi.h>
#include <drm/drm_modeset_helper.h>
@@ -164,7 +165,6 @@ DEFINE_DRM_GEM_CMA_FOPS(ili9486_fops);
static struct drm_driver ili9486_driver = {
.driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC,
.fops = &ili9486_fops,
- .release = mipi_dbi_release,
DRM_GEM_CMA_VMAP_DRIVER_OPS,
.debugfs_init = mipi_dbi_debugfs_init,
.name = "ili9486",
@@ -208,8 +208,7 @@ static int ili9486_probe(struct spi_device *spi)
kfree(dbidev);
return ret;
}
-
- drm_mode_config_init(drm);
+ drmm_add_final_kfree(drm, dbidev);
dbi->reset = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH);
if (IS_ERR(dbi->reset)) {
diff --git a/drivers/gpu/drm/tiny/mi0283qt.c b/drivers/gpu/drm/tiny/mi0283qt.c
index e2cfd9a17143..decaf57053ff 100644
--- a/drivers/gpu/drm/tiny/mi0283qt.c
+++ b/drivers/gpu/drm/tiny/mi0283qt.c
@@ -18,6 +18,7 @@
#include <drm/drm_fb_helper.h>
#include <drm/drm_gem_cma_helper.h>
#include <drm/drm_gem_framebuffer_helper.h>
+#include <drm/drm_managed.h>
#include <drm/drm_mipi_dbi.h>
#include <drm/drm_modeset_helper.h>
#include <video/mipi_display.h>
@@ -155,7 +156,6 @@ DEFINE_DRM_GEM_CMA_FOPS(mi0283qt_fops);
static struct drm_driver mi0283qt_driver = {
.driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC,
.fops = &mi0283qt_fops,
- .release = mipi_dbi_release,
DRM_GEM_CMA_VMAP_DRIVER_OPS,
.debugfs_init = mipi_dbi_debugfs_init,
.name = "mi0283qt",
@@ -198,8 +198,7 @@ static int mi0283qt_probe(struct spi_device *spi)
kfree(dbidev);
return ret;
}
-
- drm_mode_config_init(drm);
+ drmm_add_final_kfree(drm, dbidev);
dbi->reset = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_HIGH);
if (IS_ERR(dbi->reset)) {
diff --git a/drivers/gpu/drm/tiny/repaper.c b/drivers/gpu/drm/tiny/repaper.c
index f5ebcaf7ee3a..862c3ee6055d 100644
--- a/drivers/gpu/drm/tiny/repaper.c
+++ b/drivers/gpu/drm/tiny/repaper.c
@@ -31,6 +31,7 @@
#include <drm/drm_format_helper.h>
#include <drm/drm_gem_cma_helper.h>
#include <drm/drm_gem_framebuffer_helper.h>
+#include <drm/drm_managed.h>
#include <drm/drm_modes.h>
#include <drm/drm_rect.h>
#include <drm/drm_probe_helper.h>
@@ -908,17 +909,6 @@ static const struct drm_mode_config_funcs repaper_mode_config_funcs = {
.atomic_commit = drm_atomic_helper_commit,
};
-static void repaper_release(struct drm_device *drm)
-{
- struct repaper_epd *epd = drm_to_epd(drm);
-
- DRM_DEBUG_DRIVER("\n");
-
- drm_mode_config_cleanup(drm);
- drm_dev_fini(drm);
- kfree(epd);
-}
-
static const uint32_t repaper_formats[] = {
DRM_FORMAT_XRGB8888,
};
@@ -956,7 +946,6 @@ DEFINE_DRM_GEM_CMA_FOPS(repaper_fops);
static struct drm_driver repaper_driver = {
.driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC,
.fops = &repaper_fops,
- .release = repaper_release,
DRM_GEM_CMA_VMAP_DRIVER_OPS,
.name = "repaper",
.desc = "Pervasive Displays RePaper e-ink panels",
@@ -1024,8 +1013,11 @@ static int repaper_probe(struct spi_device *spi)
kfree(epd);
return ret;
}
+ drmm_add_final_kfree(drm, epd);
- drm_mode_config_init(drm);
+ ret = drmm_mode_config_init(drm);
+ if (ret)
+ return ret;
drm->mode_config.funcs = &repaper_mode_config_funcs;
epd->spi = spi;
diff --git a/drivers/gpu/drm/tiny/st7586.c b/drivers/gpu/drm/tiny/st7586.c
index 9ef559dd3191..c3295c717ba6 100644
--- a/drivers/gpu/drm/tiny/st7586.c
+++ b/drivers/gpu/drm/tiny/st7586.c
@@ -21,6 +21,7 @@
#include <drm/drm_format_helper.h>
#include <drm/drm_gem_cma_helper.h>
#include <drm/drm_gem_framebuffer_helper.h>
+#include <drm/drm_managed.h>
#include <drm/drm_mipi_dbi.h>
#include <drm/drm_rect.h>
@@ -284,7 +285,6 @@ DEFINE_DRM_GEM_CMA_FOPS(st7586_fops);
static struct drm_driver st7586_driver = {
.driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC,
.fops = &st7586_fops,
- .release = mipi_dbi_release,
DRM_GEM_CMA_VMAP_DRIVER_OPS,
.debugfs_init = mipi_dbi_debugfs_init,
.name = "st7586",
@@ -328,8 +328,7 @@ static int st7586_probe(struct spi_device *spi)
kfree(dbidev);
return ret;
}
-
- drm_mode_config_init(drm);
+ drmm_add_final_kfree(drm, dbidev);
bufsize = (st7586_mode.vdisplay + 2) / 3 * st7586_mode.hdisplay;
diff --git a/drivers/gpu/drm/tiny/st7735r.c b/drivers/gpu/drm/tiny/st7735r.c
index 3cd9b8d9888d..c2c7dc0224dd 100644
--- a/drivers/gpu/drm/tiny/st7735r.c
+++ b/drivers/gpu/drm/tiny/st7735r.c
@@ -21,6 +21,7 @@
#include <drm/drm_fb_helper.h>
#include <drm/drm_gem_cma_helper.h>
#include <drm/drm_gem_framebuffer_helper.h>
+#include <drm/drm_managed.h>
#include <drm/drm_mipi_dbi.h>
#define ST7735R_FRMCTR1 0xb1
@@ -156,7 +157,6 @@ DEFINE_DRM_GEM_CMA_FOPS(st7735r_fops);
static struct drm_driver st7735r_driver = {
.driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC,
.fops = &st7735r_fops,
- .release = mipi_dbi_release,
DRM_GEM_CMA_VMAP_DRIVER_OPS,
.debugfs_init = mipi_dbi_debugfs_init,
.name = "st7735r",
@@ -209,8 +209,7 @@ static int st7735r_probe(struct spi_device *spi)
kfree(dbidev);
return ret;
}
-
- drm_mode_config_init(drm);
+ drmm_add_final_kfree(drm, dbidev);
dbi->reset = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH);
if (IS_ERR(dbi->reset)) {