From 20d6c346f69ec68f3f4956c726d830c978f911a8 Mon Sep 17 00:00:00 2001 From: Dave Airlie Date: Sun, 31 Jan 2010 07:07:14 +1000 Subject: [PATCH] drm/radeon/kms: use udelay for short delays For usec delays use udelay instead of scheduling, this should allow reclocking to happen faster. Signed-off-by: Dave Airlie --- drivers/gpu/drm/radeon/atom.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/radeon/atom.c b/drivers/gpu/drm/radeon/atom.c index e3b44562d265..bd0c843872b2 100644 --- a/drivers/gpu/drm/radeon/atom.c +++ b/drivers/gpu/drm/radeon/atom.c @@ -640,7 +640,8 @@ static void atom_op_delay(atom_exec_context *ctx, int *ptr, int arg) uint8_t count = U8((*ptr)++); SDEBUG(" count: %d\n", count); if (arg == ATOM_UNIT_MICROSEC) - schedule_timeout_uninterruptible(usecs_to_jiffies(count)); + udelay(count); + // schedule_timeout_uninterruptible(usecs_to_jiffies(count)); else schedule_timeout_uninterruptible(msecs_to_jiffies(count)); } -- 2.20.1