diff options
Diffstat (limited to 'meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0025-drm-adv7511-Enable-HPD-interrupts-to-support-hotplug.patch')
| -rw-r--r-- | meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0025-drm-adv7511-Enable-HPD-interrupts-to-support-hotplug.patch | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0025-drm-adv7511-Enable-HPD-interrupts-to-support-hotplug.patch b/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0025-drm-adv7511-Enable-HPD-interrupts-to-support-hotplug.patch new file mode 100644 index 0000000..dc29695 --- /dev/null +++ b/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0025-drm-adv7511-Enable-HPD-interrupts-to-support-hotplug.patch @@ -0,0 +1,46 @@ +From 0ec0f782c0d19b1e1293e8e281c335186ce3f3cc Mon Sep 17 00:00:00 2001 +From: Vladimir Barinov <vladimir.barinov@cogentembedded.com> +Date: Tue, 30 May 2017 17:41:21 +0300 +Subject: [PATCH] drm: adv7511: Enable HPD interrupts to support hotplug + +This patch enables HPD (hot plug detect) interrupt support + +Signed-off-by: Andrey Gusakov <andrey.gusakov@cogentembedded.com> +--- + drivers/gpu/drm/bridge/adv7511/adv7511_drv.c | 6 +++--- + 1 file changed, 3 insertions(+), 3 deletions(-) + +diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c +index a104b43..e20f475 100644 +--- a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c ++++ b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c +@@ -55,7 +55,7 @@ static const struct reg_sequence adv7511_fixed_registers[] = { + { 0x98, 0x03 }, + { 0x9a, 0xe0 }, + { 0x9c, 0x30 }, +- { 0x9d, 0x61 }, ++ { 0x9d, 0x01 }, + { 0xa2, 0xa4 }, + { 0xa3, 0xa4 }, + { 0xe0, 0xd0 }, +@@ -369,7 +369,7 @@ static void adv7511_power_on(struct adv7511 *adv7511) + * Still, let's be safe and stick to the documentation. + */ + regmap_write(adv7511->regmap, ADV7511_REG_INT_ENABLE(0), +- ADV7511_INT0_EDID_READY); ++ ADV7511_INT0_EDID_READY | ADV7511_INT0_HPD); + regmap_write(adv7511->regmap, ADV7511_REG_INT_ENABLE(1), + ADV7511_INT1_DDC_ERROR); + } +@@ -575,7 +575,7 @@ static int adv7511_get_modes(struct adv7511 *adv7511, + ADV7511_POWER_POWER_DOWN, 0); + if (adv7511->i2c_main->irq) { + regmap_write(adv7511->regmap, ADV7511_REG_INT_ENABLE(0), +- ADV7511_INT0_EDID_READY); ++ ADV7511_INT0_EDID_READY | ADV7511_INT0_HPD); + regmap_write(adv7511->regmap, ADV7511_REG_INT_ENABLE(1), + ADV7511_INT1_DDC_ERROR); + } +-- +1.9.1 + |