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 Date: Thu, 14 May 2015 15:59:28 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============1246413828==" Return-path: Received: from culpepper.freedesktop.org (unknown [131.252.210.165]) by gabe.freedesktop.org (Postfix) with ESMTP id BC4086E88E for ; Thu, 14 May 2015 08:59:28 -0700 (PDT) In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org --===============1246413828== Content-Type: multipart/alternative; boundary="1431619168.Ac501ce2.5423"; charset="UTF-8" --1431619168.Ac501ce2.5423 Date: Thu, 14 May 2015 15:59:28 +0000 MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" https://bugs.freedesktop.org/show_bug.cgi?id=73530 --- Comment #90 from Alex Deucher --- (In reply to Nicolas Werner from comment #89) > (In reply to Alex Deucher from comment #88) > > Created attachment 115774 [details] [review] [review] > > add some debugging output > > > > Can you attach your dmesg output with this patch attached? It should help > > narrow down where the dpcd info is getting corrupted. > > Here it is (only the relevant section): > [ 5.534907] [drm] radeon_dp_getdpcd > [ 5.534913] [drm] DPCD: 11 0a 84 01 00 0b 01 01 02 00 00 00 00 00 00 > [ 5.565816] [drm] fb mappable at 0xD047B000 > [ 5.565823] [drm] vram apper at 0xD0000000 > [ 5.565825] [drm] size 8294400 > [ 5.565828] [drm] fb depth is 24 > [ 5.565830] [drm] pitch is 7680 > [ 5.566022] fbcon: radeondrmfb (fb0) is primary device > [ 5.566093] [drm] radeon_dp_set_link_config, 270000, 2 > [ 5.566095] [drm] DPCD: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 Are you still hardcoding the lanes here? > [ 6.706063] [drm] radeon_dp_set_rx_power_state, 0 > [ 6.706065] [drm] DPCD: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > [ 7.843201] [drm] radeon_dp_link_train > [ 7.843203] [drm] DPCD: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > [ 7.843204] [drm] dp_info dpcd: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > 00 > [ 7.843206] [drm] radeon_dp_set_rx_power_state, 0 > [ 7.843206] [drm] DPCD: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 -- You are receiving this mail because: You are the assignee for the bug. --1431619168.Ac501ce2.5423 Date: Thu, 14 May 2015 15:59:28 +0000 MIME-Version: 1.0 Content-Type: text/html; charset="UTF-8"

Comment # 90 on bug 73530 from 
(In reply to Nicolas Werner from comment #89)
> (In reply to Alex Deucher from comment #88)
> > Created attachment 115774 [details] [review] [review] [review]
> > add some debugging output
> > 
> > Can you attach your dmesg output with this patch attached?  It should help
> > narrow down where the dpcd info is getting corrupted.
> 
> Here it is (only the relevant section):
> [    5.534907] [drm] radeon_dp_getdpcd
> [    5.534913] [drm] DPCD: 11 0a 84 01 00 0b 01 01 02 00 00 00 00 00 00
> [    5.565816] [drm] fb mappable at 0xD047B000
> [    5.565823] [drm] vram apper at 0xD0000000
> [    5.565825] [drm] size 8294400
> [    5.565828] [drm] fb depth is 24
> [    5.565830] [drm]    pitch is 7680
> [    5.566022] fbcon: radeondrmfb (fb0) is primary device
> [    5.566093] [drm] radeon_dp_set_link_config, 270000, 2
> [    5.566095] [drm] DPCD: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

Are you still hardcoding the lanes here?


> [    6.706063] [drm] radeon_dp_set_rx_power_state, 0
> [    6.706065] [drm] DPCD: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> [    7.843201] [drm] radeon_dp_link_train
> [    7.843203] [drm] DPCD: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> [    7.843204] [drm] dp_info dpcd: 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> 00
> [    7.843206] [drm] radeon_dp_set_rx_power_state, 0
> [    7.843206] [drm] DPCD: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

You are receiving this mail because:
  • You are the assignee for the bug.
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