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authorAlex Deucher <alexdeucher@gmail.com>2010-01-11 12:40:06 -0500
committerAlex Deucher <alexdeucher@gmail.com>2010-01-11 12:44:32 -0500
commite8b9de06482ff792b8d7fa40ce3bc024caca62f6 (patch)
treeabccb013a0d83eb22c7e360d48e564de5014bdd6
parent587f693886e9025ba6fc30a8405902c43b2fcfb2 (diff)
rv100: reject modes >135 Mhz with DVI
Due to heat issues. fixes bug 25992 Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
-rw-r--r--src/radeon_output.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/radeon_output.c b/src/radeon_output.c
index 6b6ba708..4ff34b48 100644
--- a/src/radeon_output.c
+++ b/src/radeon_output.c
@@ -439,6 +439,10 @@ radeon_mode_valid(xf86OutputPtr output, DisplayModePtr pMode)
/* single link DVI check */
if (pMode->Clock > 165000 && radeon_output->MonType == MT_DFP) {
+ /* clocks over 135 MHz have heat issues with DVI on RV100 */
+ if ((info->ChipFamily == CHIP_FAMILY_RV100) && (pMode->Clock > 135000))
+ return MODE_CLOCK_HIGH;
+
/* DP->DVI converter */
if (radeon_output->ConnectorType == CONNECTOR_DISPLAY_PORT)
return MODE_CLOCK_HIGH;