From mboxrd@z Thu Jan 1 00:00:00 1970
From: bugzilla-daemon@freedesktop.org
Subject: [Bug 73530] Asus U38N: Black screen with Radeon driver in Linux
3.10, 3.11, 3.12, 3.13
Date: Sat, 01 Feb 2014 11:50:26 +0000
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Date: Sat, 1 Feb 2014 11:50:26 +0000
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https://bugs.freedesktop.org/show_bug.cgi?id=3D73530
--- Comment #55 from Paul Menzel ---
Changing the 400 =CE=BCs to 800 =CE=BCs and 400 =CE=BCs did not change anyt=
hing.
diff --git a/drivers/gpu/drm/radeon/atombios_dp.c
b/drivers/gpu/drm/radeon/atombios_dp.c
index 676ddf8..3e533bb 100644
--- a/drivers/gpu/drm/radeon/atombios_dp.c
+++ b/drivers/gpu/drm/radeon/atombios_dp.c
@@ -204,7 +204,7 @@ static int radeon_dp_aux_native_read(struct
radeon_connector *radeon_connector,
if ((ack & AUX_NATIVE_REPLY_MASK) =3D=3D AUX_NATIVE_REPLY_A=
CK)
return ret;
else if ((ack & AUX_NATIVE_REPLY_MASK) =3D=3D
AUX_NATIVE_REPLY_DEFER)
- udelay(800);
+ udelay(200);
else if (ret =3D=3D 0)
return -EPROTO;
else
@@ -293,7 +293,7 @@ int radeon_dp_i2c_aux_ch(struct i2c_adapter *adapter, i=
nt
mode,
return -EREMOTEIO;
case AUX_NATIVE_REPLY_DEFER:
DRM_DEBUG_KMS("aux_ch native defer\n");
- udelay(800);
+ udelay(200);
continue;
default:
DRM_ERROR("aux_ch invalid native reply 0x%02x\n", a=
ck);
@@ -310,7 +310,7 @@ int radeon_dp_i2c_aux_ch(struct i2c_adapter *adapter, i=
nt
mode,
return -EREMOTEIO;
case AUX_I2C_REPLY_DEFER:
DRM_DEBUG_KMS("aux_i2c defer\n");
- udelay(800);
+ udelay(200);
break;
default:
DRM_ERROR("aux_i2c invalid reply 0x%02x\n", ack);
@@ -716,7 +716,7 @@ static int radeon_dp_link_train_init(struct
radeon_dp_link_train_info *dp_info)
static int radeon_dp_link_train_finish(struct radeon_dp_link_train_info
*dp_info)
{
- udelay(800);
+ udelay(200);
/* disable the training pattern on the sink */
radeon_write_dpcd_reg(dp_info->radeon_connector,
@@ -744,7 +744,7 @@ static int radeon_dp_link_train_cr(struct
radeon_dp_link_train_info *dp_info)
memset(dp_info->train_set, 0, 4);
radeon_dp_update_vs_emph(dp_info);
- udelay(800);
+ udelay(200);
/* clock recovery loop */
clock_recovery =3D false;
--=20
You are receiving this mail because:
You are the assignee for the bug.
--1391255426.FB7B1.13980
Date: Sat, 1 Feb 2014 11:50:26 +0000
MIME-Version: 1.0
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Commen=
t # 55
on bug 73530<=
/a>
from Paul Menzel
Changing the 400 =CE=BCs to 800 =CE=BCs and 400 =CE=BCs did no=
t change anything.
diff --git a/drivers/gpu/drm/radeon/atombios_dp.c
b/drivers/gpu/drm/radeon/atombios_dp.c
index 676ddf8..3e533bb 100644
--- a/drivers/gpu/drm/radeon/atombios_dp.c
+++ b/drivers/gpu/drm/radeon/atombios_dp.c
@@ -204,7 +204,7 @@ static int radeon_dp_aux_native_read(st=
ruct
radeon_connector *radeon_connector,
if ((ack & AUX_NATIVE_REPLY_MASK) =3D=3D AUX_NATIVE_REP=
LY_ACK)
return ret;
else if ((ack & AUX_NATIVE_REPLY_MASK) =3D=3D
AUX_NATIVE_REPLY_DEFER)
- udelay(800);
+ udelay(200);
else if (ret =3D=3D 0)
return -EPROTO;
else
@@ -293,7 +293,7 @@ int radeon_dp_i2c_aux_ch(struct i2c_ada=
pter *adapter, int
mode,
return -EREMOTEIO;
case AUX_NATIVE_REPLY_DEFER:
DRM_DEBUG_KMS("aux_ch native defer\n");
- udelay(800);
+ udelay(200);
continue;
default:
DRM_ERROR("aux_ch invalid native reply 0x%02x\=
n", ack);
@@ -310,7 +310,7 @@ int radeon_dp_i2c_aux_ch(struct i2c_ada=
pter *adapter, int
mode,
return -EREMOTEIO;
case AUX_I2C_REPLY_DEFER:
DRM_DEBUG_KMS("aux_i2c defer\n");
- udelay(800);
+ udelay(200);
break;
default:
DRM_ERROR("aux_i2c invalid reply 0x%02x\n"=
;, ack);
@@ -716,7 +716,7 @@ static int radeon_dp_link_train_init(st=
ruct
radeon_dp_link_train_info *dp_info)
static int radeon_dp_link_train_finish(struct radeon_dp_link_train_info
*dp_info)
{
- udelay(800);
+ udelay(200);
/* disable the training pattern on the sink */
radeon_write_dpcd_reg(dp_info->radeon_connector,
@@ -744,7 +744,7 @@ static int radeon_dp_link_train_cr(stru=
ct
radeon_dp_link_train_info *dp_info)
memset(dp_info->train_set, 0, 4);
radeon_dp_update_vs_emph(dp_info);
- udelay(800);
+ udelay(200);
/* clock recovery loop */
clock_recovery =3D false;
You are receiving this mail because:
=20=20=20=20=20=20
- You are the assignee for the bug.
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