Originally posted by drag
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Intel KMS vs. UMS With Ubuntu 10.04
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Originally posted by phoronix View PostLast week we published benchmarks looking at the ATI Radeon KMS vs. UMS performance and found the user-space mode-setting support with the ATI driver (that is also limited to using DRI1 with these older code-paths) [...]
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nomodeset instead of i915.modeset=0
Originally posted by phoronix View PostKernel mode-setting support can be toggled at boot-time by adding i915.modeset=0 to the GRUB kernel boot line to boot with the user-space mode-setting support
I had to disable kernel mode-setting on my i965 Intel Mobile GM965/GL960 because it did weird things with a panning desktop and I couldn't adjust screen brightness in Ubuntu Lucid Lynx.
Disabling kms with nomodeset fixed these problems.
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