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drm/imx: imx-tve: use regmap fast_io spinlock

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Replace the custom spinlock with the fast_io spinlock provided by
regmap.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
This commit is contained in:
Philipp Zabel
2020-07-21 16:16:58 +02:00
parent a28f918866
commit 07f2c94d03
1 changed files with 1 additions and 21 deletions
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22
drivers/gpu/drm/imx/imx-tve.c
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@@ -13,7 +13,6 @@
#include <linux/platform_device.h>
#include <linux/regmap.h>
#include <linux/regulator/consumer.h>
#include <linux/spinlock.h>
#include <linux/videodev2.h>
#include <video/imx-ipu-v3.h>
@@ -104,7 +103,6 @@ struct imx_tve {
struct drm_connector connector;
struct drm_encoder encoder;
struct device *dev;
spinlock_t lock; /* register lock */
bool enabled;
int mode;
int di_hsync_pin;
@@ -129,22 +127,6 @@ static inline struct imx_tve *enc_to_tve(struct drm_encoder *e)
return container_of(e, struct imx_tve, encoder);
}
static void tve_lock(void *__tve)
__acquires(&tve->lock)
{
struct imx_tve *tve = __tve;
spin_lock(&tve->lock);
}
static void tve_unlock(void *__tve)
__releases(&tve->lock)
{
struct imx_tve *tve = __tve;
spin_unlock(&tve->lock);
}
static void tve_enable(struct imx_tve *tve)
{
if (!tve->enabled) {
@@ -500,8 +482,7 @@ static struct regmap_config tve_regmap_config = {
.readable_reg = imx_tve_readable_reg,
.lock = tve_lock,
.unlock = tve_unlock,
.fast_io = true,
.max_register = 0xdc,
};
@@ -544,7 +525,6 @@ static int imx_tve_bind(struct device *dev, struct device *master, void *data)
memset(tve, 0, sizeof(*tve));
tve->dev = dev;
spin_lock_init(&tve->lock);
ddc_node = of_parse_phandle(np, "ddc-i2c-bus", 0);
if (ddc_node) {