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authorJesse Barnes <jbarnes@virtuousgeek.org>2009-02-06 10:22:41 -0800
committerDave Airlie <airlied@linux.ie>2009-02-08 21:43:04 +1000
commit9880b7a527ffbb52f65c2de0a8d4eea86e24775e (patch)
tree5c41b544a86c04de609c4dad245bb93cd2e000e7 /drivers/parport
parent14d200c5e5bd19219d930bbb9a5a22758c8f5bec (diff)
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drm/i915: add get_vblank_counter function for GM45
As discussed in the long thread about vblank related timeouts, it turns out GM45 has different frame count registers than previous chips. This patch adds support for them, which prevents us from waiting on really stale sequence values in drm_wait_vblank (which rather than returning immediately ends up timing out or getting interrupted). Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Dave Airlie <airlied@linux.ie>
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