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 Message-ID: References: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============1299109671==" Return-path: Received: from culpepper.freedesktop.org (unknown [131.252.210.165]) by gabe.freedesktop.org (Postfix) with ESMTP id 61C5610C235 for ; Sat, 1 Feb 2014 03:50:26 -0800 (PST) In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dri-devel-bounces@lists.freedesktop.org Errors-To: dri-devel-bounces@lists.freedesktop.org To: dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org --===============1299109671== Content-Type: multipart/alternative; boundary="1391255426.FB7B1.13980"; charset="us-ascii" --1391255426.FB7B1.13980 Date: Sat, 1 Feb 2014 11:50:26 +0000 MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable 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 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable

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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