From: Alex Deucher <alexdeucher@gmail.com>
To: reimth@googlemail.com
Cc: Dave Airlie <airlied@redhat.com>,
Mario Kleiner <mario.kleiner@tuebingen.mpg.de>,
Jean Delvare <khali@linux-fr.org>,
Tyson Whitehead <twhitehead@gmail.com>,
Jason Wessel <jason.wessel@windriver.com>,
Stephen Michaels <Stephen.Micheals@gmail.com>,
dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org,
Thomas Reim <reimth@gmail.com>
Subject: Re: [PATCH] drm/radeon: Fix ECS A740GM-M DVI-D EDID error flooding problem
Date: Tue, 26 Jul 2011 09:05:59 -0400 [thread overview]
Message-ID: <CADnq5_O=B7hyDV9ADP=U+vdP+hJEJQTeD9tQDTryvJiqbshDuQ@mail.gmail.com> (raw)
In-Reply-To: <1311150845-19198-1-git-send-email-reimth@gmail.com>
On Wed, Jul 20, 2011 at 4:34 AM, <reimth@googlemail.com> wrote:
> From: Thomas Reim <reimth@gmail.com>
>
> ECS A740GM-M with ATI RADEON 2100 sends data to i2c bus
> for a DVI connector that is not implemented/existent on the board.
>
> Fix by applying extented DDC probing for this connector.
>
> Requires [PATCH] drm/radeon: Fix Asus M2A-VM HDMI EDID error flooding problem
>
> BugLink: http://bugs.launchpad.net/bugs/810926
>
> Signed-off-by: Thomas Reim <reimth@gmail.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
> ---
> drivers/gpu/drm/radeon/radeon_connectors.c | 9 +++++++++
> 1 files changed, 9 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c
> index 2e70be2..82dacc6 100644
> --- a/drivers/gpu/drm/radeon/radeon_connectors.c
> +++ b/drivers/gpu/drm/radeon/radeon_connectors.c
> @@ -449,6 +449,15 @@ static bool radeon_connector_needs_extended_probe(struct radeon_device *dev,
> (supported_device == ATOM_DEVICE_DFP2_SUPPORT))
> return true;
> }
> + /* ECS A740GM-M with ATI RADEON 2100 sends data to i2c bus
> + * for a DVI connector that is not implemented */
> + if ((dev->pdev->device == 0x796e) &&
> + (dev->pdev->subsystem_vendor == 0x1019) &&
> + (dev->pdev->subsystem_device == 0x2615)) {
> + if ((connector_type == DRM_MODE_CONNECTOR_DVID) &&
> + (supported_device == ATOM_DEVICE_DFP2_SUPPORT))
> + return true;
> + }
>
> /* Default: no EDID header probe required for DDC probing */
> return false;
> --
> 1.7.1
>
>
next prev parent reply other threads:[~2011-07-26 13:06 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-21 15:31 [PATCH 1/1] drm/radeon: Fix Asus M2A-VM HDMI EDID error flooding problem Thomas Reim
2011-06-21 15:37 ` Alex Deucher
2011-06-21 18:03 ` Thomas Reim
2011-06-21 19:27 ` Jean Delvare
2011-06-22 1:11 ` Thomas Reim
2011-06-22 13:53 ` Jean Delvare
2011-06-22 1:20 ` reimth
2011-06-22 1:28 ` Alex Deucher
2011-06-22 15:17 ` Thomas Reim
2011-06-22 15:41 ` Alex Deucher
2011-06-22 15:45 ` Alex Deucher
2011-06-23 21:57 ` Thomas Reim
2011-06-23 22:05 ` [PATCH] " reimth
2011-06-23 22:55 ` Alex Deucher
2011-06-24 4:02 ` Thomas Reim
2011-06-24 13:36 ` Alex Deucher
2011-06-27 12:14 ` Jean Delvare
2011-07-06 9:35 ` Thomas Reim
2011-07-06 10:09 ` reimth
2011-07-06 12:26 ` Thomas Reim
2011-07-06 15:39 ` Alex Deucher
2011-07-06 15:42 ` Alex Deucher
2011-07-06 23:30 ` [PATCH 0/3] " reimth
2011-07-20 8:34 ` [PATCH] drm/radeon: Fix ECS A740GM-M DVI-D " reimth
2011-07-20 22:18 ` Thomas Reim
2011-07-26 13:05 ` Alex Deucher [this message]
2011-07-06 23:30 ` [PATCH 3/3] drm/radeon: Log Subsystem Vendor and Device Information reimth
2011-07-07 13:56 ` Alex Deucher
2011-07-06 23:30 ` [PATCH 2/3] drm/radeon: Fix Asus M2A-VM HDMI EDID error flooding problem reimth
2011-07-07 14:01 ` Alex Deucher
2011-07-26 13:20 ` Dave Airlie
2011-07-26 14:52 ` Alex Deucher
2011-07-26 14:55 ` Alex Deucher
2011-07-06 23:30 ` [PATCH 1/3] drm: Separate EDID Header Check from EDID Block Check reimth
2011-07-06 23:56 ` [stable] " Greg KH
2011-07-07 13:57 ` Alex Deucher
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