* [PATCH] drm: adv7511: mark ADV7511_REG_EDID_READ_CTRL volatile
@ 2015-11-24 15:00 ` Wolfram Sang
0 siblings, 0 replies; 2+ messages in thread
From: Wolfram Sang @ 2015-11-24 15:00 UTC (permalink / raw)
To: dri-devel
Cc: linux-sh, Magnus Damm, Simon Horman, Laurent Pinchart,
Geert Uytterhoeven, Wolfram Sang, Kuninori Morimoto,
Lars-Peter Clausen
From: Wolfram Sang <wsa+renesas@sang-engineering.com>
This register includes a counter which is decremented by the chip on I2C
failures. Also, it is reset when powering down.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
---
drivers/gpu/drm/i2c/adv7511.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/i2c/adv7511.c b/drivers/gpu/drm/i2c/adv7511.c
index 85e994796d96a4..50a861b12346c4 100644
--- a/drivers/gpu/drm/i2c/adv7511.c
+++ b/drivers/gpu/drm/i2c/adv7511.c
@@ -136,6 +136,7 @@ static bool adv7511_register_volatile(struct device *dev, unsigned int reg)
case ADV7511_REG_BKSV(3):
case ADV7511_REG_BKSV(4):
case ADV7511_REG_DDC_STATUS:
+ case ADV7511_REG_EDID_READ_CTRL:
case ADV7511_REG_BSTATUS(0):
case ADV7511_REG_BSTATUS(1):
case ADV7511_REG_CHIP_ID_HIGH:
--
2.1.4
^ permalink raw reply related [flat|nested] 2+ messages in thread
* [PATCH] drm: adv7511: mark ADV7511_REG_EDID_READ_CTRL volatile
@ 2015-11-24 15:00 ` Wolfram Sang
0 siblings, 0 replies; 2+ messages in thread
From: Wolfram Sang @ 2015-11-24 15:00 UTC (permalink / raw)
To: dri-devel
Cc: linux-sh, Magnus Damm, Simon Horman, Laurent Pinchart,
Geert Uytterhoeven, Wolfram Sang, Kuninori Morimoto,
Lars-Peter Clausen
From: Wolfram Sang <wsa+renesas@sang-engineering.com>
This register includes a counter which is decremented by the chip on I2C
failures. Also, it is reset when powering down.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
---
drivers/gpu/drm/i2c/adv7511.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/i2c/adv7511.c b/drivers/gpu/drm/i2c/adv7511.c
index 85e994796d96a4..50a861b12346c4 100644
--- a/drivers/gpu/drm/i2c/adv7511.c
+++ b/drivers/gpu/drm/i2c/adv7511.c
@@ -136,6 +136,7 @@ static bool adv7511_register_volatile(struct device *dev, unsigned int reg)
case ADV7511_REG_BKSV(3):
case ADV7511_REG_BKSV(4):
case ADV7511_REG_DDC_STATUS:
+ case ADV7511_REG_EDID_READ_CTRL:
case ADV7511_REG_BSTATUS(0):
case ADV7511_REG_BSTATUS(1):
case ADV7511_REG_CHIP_ID_HIGH:
--
2.1.4
^ permalink raw reply related [flat|nested] 2+ messages in thread
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2015-11-24 15:00 [PATCH] drm: adv7511: mark ADV7511_REG_EDID_READ_CTRL volatile Wolfram Sang
2015-11-24 15:00 ` Wolfram Sang
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