Attachment 73879 Details for Bug 60037 – possible fix

[patch] possible fix

0001-drm-radeon-add-quirk-for-RV100-board.patch (text/plain), 1.28 KB, created by Alex Deucher on 2013-01-29 21:39:06 UTC

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Creator: Alex Deucher

Created: 2013-01-29 21:39:06 UTC

Size: 1.28 KB

patch

obsolete

>From 1c5475358759134a3fe63006a4232551a5c5b26f Mon Sep 17 00:00:00 2001
>From: Alex Deucher <alexander.deucher@amd.com>
>Date: Tue, 29 Jan 2013 16:36:47 -0500
>Subject: [PATCH] drm/radeon: add quirk for RV100 board
>
>vbios says external TMDS while the board is actually
>internal TMDS.
>
>fixes:
>https://bugs.freedesktop.org/show_bug.cgi?id=60037
>
>Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
>Cc: stable@vger.kernel.org
>---
> drivers/gpu/drm/radeon/radeon_combios.c |    8 ++++++++
> 1 files changed, 8 insertions(+), 0 deletions(-)
>
>diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c
>index 33a56a0..3e403bd 100644
>--- a/drivers/gpu/drm/radeon/radeon_combios.c
>+++ b/drivers/gpu/drm/radeon/radeon_combios.c
>@@ -2470,6 +2470,14 @@ bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev)
> 								   1),
> 								  ATOM_DEVICE_CRT1_SUPPORT);
> 				}
>+				/* RV100 board with external TDMS bit mis-set.
>+				 * Actually uses internal TMDS, clear the bit.
>+				 */
>+				if (dev->pdev->device == 0x5159 &&
>+				    dev->pdev->subsystem_vendor == 0x1014 &&
>+				    dev->pdev->subsystem_device == 0x029A) {
>+					tmp &= ~(1 << 4);
>+				}
> 				if ((tmp >> 4) & 0x1) {
> 					devices |= ATOM_DEVICE_DFP2_SUPPORT;
> 					radeon_add_legacy_encoder(dev,
>-- 
>1.7.7.5
>

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Attachments on bug 60037: 73870 | 73871 | 73872 | 73879

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