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drm/radeon/kms: use tracked values for sclk and mclk

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Rather than calling get_memory_clock and get_engine_clock,
used the tracked values from the pm code.  Calling the tables
adds additional latency in the modesetting and pm paths.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher
2010-08-10 12:33:20 -04:00
committed by Dave Airlie
parent 2bfc96a127
commit 8807286e56
3 changed files with 18 additions and 20 deletions
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8
drivers/gpu/drm/radeon/radeon_clocks.c
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@@ -327,6 +327,14 @@ void radeon_get_clock_info(struct drm_device *dev)
mpll->max_feedback_div = 0xff;
mpll->best_vco = 0;
if (!rdev->clock.default_sclk)
rdev->clock.default_sclk = radeon_get_engine_clock(rdev);
if ((!rdev->clock.default_mclk) && rdev->asic->get_memory_clock)
rdev->clock.default_mclk = radeon_get_memory_clock(rdev);
rdev->pm.current_sclk = rdev->clock.default_sclk;
rdev->pm.current_mclk = rdev->clock.default_mclk;
}
/* 10 khz */