On Mon, Jan 11, 2010 at 1:42 PM, Maarten Maathuis <madman2...@gmail.com> wrote:
> On Mon, Jan 11, 2010 at 6:57 PM, Alex Deucher <alexdeuc...@gmail.com> wrote:
>> >From 6d980869ef031752dac505c1aacbbe221fb2c6e7 Mon Sep 17 00:00:00 2001
>> From: Alex Deucher <alexdeuc...@gmail.com>
>> Date: Mon, 11 Jan 2010 12:39:35 -0500
>> Subject: [PATCH] drm/radeon/kms/rv100: reject modes >135 Mhz on DVI
>>
>> Due to heat issues. Fixes fdo bug 25992
>>
>> Signed-off-by: Alex Deucher <alexdeuc...@gmail.com>
>> ---
>> drivers/gpu/drm/radeon/radeon_connectors.c | 5 +++++
>> 1 files changed, 5 insertions(+), 0 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c
>> b/drivers/gpu/drm/radeon/radeon_connectors.c
>> index 9da10dd..7ee6515 100644
>> --- a/drivers/gpu/drm/radeon/radeon_connectors.c
>> +++ b/drivers/gpu/drm/radeon/radeon_connectors.c
>> @@ -900,11 +900,16 @@ static void radeon_dvi_force(struct
>> drm_connector *connector)
>> static int radeon_dvi_mode_valid(struct drm_connector *connector,
>> struct drm_display_mode *mode)
>> {
>> + struct drm_device *dev = connector->dev;
>> + struct radeon_device *rdev = dev->dev_private;
>> struct radeon_connector *radeon_connector =
>> to_radeon_connector(connector);
>>
>> /* XXX check mode bandwidth */
>>
>> if (radeon_connector->use_digital && (mode->clock > 165000)) {
>
> Is it just me or is this a check for dual link dvi (which would mean
> the next check is useless)?
Argh. you're right. new patch on the way.
>
>> + /* clocks over 135 MHz have heat issues with DVI on RV100 */
>> + if ((rdev->family == CHIP_RV100) && (mode->clock > 135000))
>> + return MODE_CLOCK_HIGH;
>> if ((radeon_connector->connector_object_id ==
>> CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
>> (radeon_connector->connector_object_id ==
>> CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
>> (radeon_connector->connector_object_id ==
>> CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
>> --
>> 1.5.6.3
>>
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>
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