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path: root/drivers/gpu/host1x
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Diffstat (limited to 'drivers/gpu/host1x')
-rw-r--r--drivers/gpu/host1x/bus.c11
-rw-r--r--drivers/gpu/host1x/cdma.c7
2 files changed, 4 insertions, 14 deletions
diff --git a/drivers/gpu/host1x/bus.c b/drivers/gpu/host1x/bus.c
index 8e09d6d328d2..344cc9e741c1 100644
--- a/drivers/gpu/host1x/bus.c
+++ b/drivers/gpu/host1x/bus.c
@@ -41,7 +41,6 @@ static int host1x_subdev_add(struct host1x_device *device,
struct device_node *np)
{
struct host1x_subdev *subdev;
- struct device_node *child;
int err;
subdev = kzalloc(sizeof(*subdev), GFP_KERNEL);
@@ -56,13 +55,12 @@ static int host1x_subdev_add(struct host1x_device *device,
mutex_unlock(&device->subdevs_lock);
/* recursively add children */
- for_each_child_of_node(np, child) {
+ for_each_child_of_node_scoped(np, child) {
if (of_match_node(driver->subdevs, child) &&
of_device_is_available(child)) {
err = host1x_subdev_add(device, driver, child);
if (err < 0) {
/* XXX cleanup? */
- of_node_put(child);
return err;
}
}
@@ -90,17 +88,14 @@ static void host1x_subdev_del(struct host1x_subdev *subdev)
static int host1x_device_parse_dt(struct host1x_device *device,
struct host1x_driver *driver)
{
- struct device_node *np;
int err;
- for_each_child_of_node(device->dev.parent->of_node, np) {
+ for_each_child_of_node_scoped(device->dev.parent->of_node, np) {
if (of_match_node(driver->subdevs, np) &&
of_device_is_available(np)) {
err = host1x_subdev_add(device, driver, np);
- if (err < 0) {
- of_node_put(np);
+ if (err < 0)
return err;
- }
}
}
diff --git a/drivers/gpu/host1x/cdma.c b/drivers/gpu/host1x/cdma.c
index 407ed9b9cf64..ba2e572567c0 100644
--- a/drivers/gpu/host1x/cdma.c
+++ b/drivers/gpu/host1x/cdma.c
@@ -247,8 +247,6 @@ static int host1x_cdma_wait_pushbuffer_space(struct host1x *host1x,
trace_host1x_wait_cdma(dev_name(cdma_to_channel(cdma)->dev),
CDMA_EVENT_PUSH_BUFFER_SPACE);
- host1x_hw_cdma_flush(host1x, cdma);
-
/* If somebody has managed to already start waiting, yield */
if (cdma->event != CDMA_EVENT_NONE) {
mutex_unlock(&cdma->lock);
@@ -591,7 +589,6 @@ int host1x_cdma_begin(struct host1x_cdma *cdma, struct host1x_job *job)
*/
void host1x_cdma_push(struct host1x_cdma *cdma, u32 op1, u32 op2)
{
- struct host1x *host1x = cdma_to_host1x(cdma);
struct push_buffer *pb = &cdma->push_buffer;
u32 slots_free = cdma->slots_free;
@@ -599,11 +596,9 @@ void host1x_cdma_push(struct host1x_cdma *cdma, u32 op1, u32 op2)
trace_host1x_cdma_push(dev_name(cdma_to_channel(cdma)->dev),
op1, op2);
- if (slots_free == 0) {
- host1x_hw_cdma_flush(host1x, cdma);
+ if (slots_free == 0)
slots_free = host1x_cdma_wait_locked(cdma,
CDMA_EVENT_PUSH_BUFFER_SPACE);
- }
cdma->slots_free = slots_free - 1;
cdma->slots_used++;