>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)) {
+ /* 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
0001-drm-radeon-kms-rv100-reject-modes-135-Mhz-on-DVI.patch
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