Update Linux to v5.10.109

Sourced from [1]

[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.109.tar.xz

Change-Id: I19bca9fc6762d4e63bcf3e4cba88bbe560d9c76c
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/drivers/gpu/drm/imx/imx-tve.c b/drivers/gpu/drm/imx/imx-tve.c
index f91c3eb..2a8d2e3 100644
--- a/drivers/gpu/drm/imx/imx-tve.c
+++ b/drivers/gpu/drm/imx/imx-tve.c
@@ -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>
@@ -21,6 +20,7 @@
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_fb_helper.h>
 #include <drm/drm_probe_helper.h>
+#include <drm/drm_simple_kms_helper.h>
 
 #include "imx-drm.h"
 
@@ -103,8 +103,6 @@
 	struct drm_connector connector;
 	struct drm_encoder encoder;
 	struct device *dev;
-	spinlock_t lock;	/* register lock */
-	bool enabled;
 	int mode;
 	int di_hsync_pin;
 	int di_vsync_pin;
@@ -128,30 +126,10 @@
 	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) {
-		tve->enabled = true;
-		clk_prepare_enable(tve->clk);
-		regmap_update_bits(tve->regmap, TVE_COM_CONF_REG,
-				   TVE_EN, TVE_EN);
-	}
+	clk_prepare_enable(tve->clk);
+	regmap_update_bits(tve->regmap, TVE_COM_CONF_REG, TVE_EN, TVE_EN);
 
 	/* clear interrupt status register */
 	regmap_write(tve->regmap, TVE_STAT_REG, 0xffffffff);
@@ -168,11 +146,8 @@
 
 static void tve_disable(struct imx_tve *tve)
 {
-	if (tve->enabled) {
-		tve->enabled = false;
-		regmap_update_bits(tve->regmap, TVE_COM_CONF_REG, TVE_EN, 0);
-		clk_disable_unprepare(tve->clk);
-	}
+	regmap_update_bits(tve->regmap, TVE_COM_CONF_REG, TVE_EN, 0);
+	clk_disable_unprepare(tve->clk);
 }
 
 static int tve_setup_tvout(struct imx_tve *tve)
@@ -259,14 +234,6 @@
 	return MODE_BAD;
 }
 
-static struct drm_encoder *imx_tve_connector_best_encoder(
-		struct drm_connector *connector)
-{
-	struct imx_tve *tve = con_to_tve(connector);
-
-	return &tve->encoder;
-}
-
 static void imx_tve_encoder_mode_set(struct drm_encoder *encoder,
 				     struct drm_display_mode *orig_mode,
 				     struct drm_display_mode *mode)
@@ -344,14 +311,9 @@
 
 static const struct drm_connector_helper_funcs imx_tve_connector_helper_funcs = {
 	.get_modes = imx_tve_connector_get_modes,
-	.best_encoder = imx_tve_connector_best_encoder,
 	.mode_valid = imx_tve_connector_mode_valid,
 };
 
-static const struct drm_encoder_funcs imx_tve_encoder_funcs = {
-	.destroy = imx_drm_encoder_destroy,
-};
-
 static const struct drm_encoder_helper_funcs imx_tve_encoder_helper_funcs = {
 	.mode_set = imx_tve_encoder_mode_set,
 	.enable = imx_tve_encoder_enable,
@@ -479,8 +441,7 @@
 		return ret;
 
 	drm_encoder_helper_add(&tve->encoder, &imx_tve_encoder_helper_funcs);
-	drm_encoder_init(drm, &tve->encoder, &imx_tve_encoder_funcs,
-			 encoder_type, NULL);
+	drm_simple_encoder_init(drm, &tve->encoder, encoder_type);
 
 	drm_connector_helper_add(&tve->connector,
 			&imx_tve_connector_helper_funcs);
@@ -513,8 +474,7 @@
 
 	.readable_reg = imx_tve_readable_reg,
 
-	.lock = tve_lock,
-	.unlock = tve_unlock,
+	.fast_io = true,
 
 	.max_register = 0xdc,
 };
@@ -524,7 +484,7 @@
 	[TVE_MODE_VGA] = "vga",
 };
 
-static const int of_get_tve_mode(struct device_node *np)
+static int of_get_tve_mode(struct device_node *np)
 {
 	const char *bm;
 	int ret, i;
@@ -557,7 +517,6 @@
 	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) {
@@ -604,10 +563,8 @@
 	}
 
 	irq = platform_get_irq(pdev, 0);
-	if (irq < 0) {
-		dev_err(dev, "failed to get irq\n");
+	if (irq < 0)
 		return irq;
-	}
 
 	ret = devm_request_threaded_irq(dev, irq, NULL,
 					imx_tve_irq_handler, IRQF_ONESHOT,