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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-06-27 13:13:43 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-06-27 13:13:43 +0300
commit53c2f13c1ee59c8889bf23ef58653677e3ec1644 (patch)
tree8a34720bf4bc2329d2ff328318cb78ea474f0d41 /drivers/gpu/drm/bridge
parent3394ade23d7e3934a166e973e664046ea6f559d4 (diff)
parente60eb441596d1c70e4a264d2bac726c6cd2da067 (diff)
downloadlinux-rolling-stable.tar.xz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu/drm/bridge')
-rw-r--r--drivers/gpu/drm/bridge/Kconfig1
-rw-r--r--drivers/gpu/drm/bridge/analogix/analogix_dp_core.c5
-rw-r--r--drivers/gpu/drm/bridge/analogix/anx7625.c26
3 files changed, 25 insertions, 7 deletions
diff --git a/drivers/gpu/drm/bridge/Kconfig b/drivers/gpu/drm/bridge/Kconfig
index 09a1be234f71..b9e0ca85226a 100644
--- a/drivers/gpu/drm/bridge/Kconfig
+++ b/drivers/gpu/drm/bridge/Kconfig
@@ -16,6 +16,7 @@ config DRM_AUX_BRIDGE
tristate
depends on DRM_BRIDGE && OF
select AUXILIARY_BUS
+ select DRM_KMS_HELPER
select DRM_PANEL_BRIDGE
help
Simple transparent bridge that is used by several non-DRM drivers to
diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
index 5222b1e9f533..f96952e9ff4e 100644
--- a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
+++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
@@ -1622,10 +1622,10 @@ analogix_dp_probe(struct device *dev, struct analogix_dp_plat_data *plat_data)
* that we can get the current state of the GPIO.
*/
dp->irq = gpiod_to_irq(dp->hpd_gpiod);
- irq_flags = IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING;
+ irq_flags = IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING | IRQF_NO_AUTOEN;
} else {
dp->irq = platform_get_irq(pdev, 0);
- irq_flags = 0;
+ irq_flags = IRQF_NO_AUTOEN;
}
if (dp->irq == -ENXIO) {
@@ -1641,7 +1641,6 @@ analogix_dp_probe(struct device *dev, struct analogix_dp_plat_data *plat_data)
dev_err(&pdev->dev, "failed to request irq\n");
return ERR_PTR(ret);
}
- disable_irq(dp->irq);
dp->aux.name = "DP-AUX";
dp->aux.transfer = analogix_dpaux_transfer;
diff --git a/drivers/gpu/drm/bridge/analogix/anx7625.c b/drivers/gpu/drm/bridge/analogix/anx7625.c
index 0b97b66de577..95d5a4e26578 100644
--- a/drivers/gpu/drm/bridge/analogix/anx7625.c
+++ b/drivers/gpu/drm/bridge/analogix/anx7625.c
@@ -1257,10 +1257,10 @@ static void anx7625_power_on(struct anx7625_data *ctx)
usleep_range(11000, 12000);
/* Power on pin enable */
- gpiod_set_value(ctx->pdata.gpio_p_on, 1);
+ gpiod_set_value_cansleep(ctx->pdata.gpio_p_on, 1);
usleep_range(10000, 11000);
/* Power reset pin enable */
- gpiod_set_value(ctx->pdata.gpio_reset, 1);
+ gpiod_set_value_cansleep(ctx->pdata.gpio_reset, 1);
usleep_range(10000, 11000);
DRM_DEV_DEBUG_DRIVER(dev, "power on !\n");
@@ -1280,9 +1280,9 @@ static void anx7625_power_standby(struct anx7625_data *ctx)
return;
}
- gpiod_set_value(ctx->pdata.gpio_reset, 0);
+ gpiod_set_value_cansleep(ctx->pdata.gpio_reset, 0);
usleep_range(1000, 1100);
- gpiod_set_value(ctx->pdata.gpio_p_on, 0);
+ gpiod_set_value_cansleep(ctx->pdata.gpio_p_on, 0);
usleep_range(1000, 1100);
ret = regulator_bulk_disable(ARRAY_SIZE(ctx->pdata.supplies),
@@ -2474,6 +2474,22 @@ static const struct drm_edid *anx7625_bridge_edid_read(struct drm_bridge *bridge
return anx7625_edid_read(ctx);
}
+static void anx7625_bridge_hpd_enable(struct drm_bridge *bridge)
+{
+ struct anx7625_data *ctx = bridge_to_anx7625(bridge);
+ struct device *dev = ctx->dev;
+
+ pm_runtime_get_sync(dev);
+}
+
+static void anx7625_bridge_hpd_disable(struct drm_bridge *bridge)
+{
+ struct anx7625_data *ctx = bridge_to_anx7625(bridge);
+ struct device *dev = ctx->dev;
+
+ pm_runtime_put_sync(dev);
+}
+
static const struct drm_bridge_funcs anx7625_bridge_funcs = {
.attach = anx7625_bridge_attach,
.detach = anx7625_bridge_detach,
@@ -2487,6 +2503,8 @@ static const struct drm_bridge_funcs anx7625_bridge_funcs = {
.atomic_reset = drm_atomic_helper_bridge_reset,
.detect = anx7625_bridge_detect,
.edid_read = anx7625_bridge_edid_read,
+ .hpd_enable = anx7625_bridge_hpd_enable,
+ .hpd_disable = anx7625_bridge_hpd_disable,
};
static int anx7625_register_i2c_dummy_clients(struct anx7625_data *ctx,