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| author | Jesse Barnes | 2013-09-27 02:55:58 +0200 |
|---|---|---|
| committer | Daniel Vetter | 2013-10-01 07:45:44 +0200 |
| commit | e454a05da623c26544721b159caaacdb6dfe448c (patch) | |
| tree | b7d34646a994884941f515b452a8cad00839b431 /drivers/gpu/drm/i915/i915_reg.h | |
| parent | drm/i915/vlv: use lower precision RC6 counter (diff) | |
| download | kernel-qcow2-linux-e454a05da623c26544721b159caaacdb6dfe448c.tar.gz kernel-qcow2-linux-e454a05da623c26544721b159caaacdb6dfe448c.tar.xz kernel-qcow2-linux-e454a05da623c26544721b159caaacdb6dfe448c.zip | |
drm/i915/vlv: use correct units for rc6 residency v2
We need to use the clock control reg to figure out how many CZ clks are in
30ns and use that as the basis for our RC6 residency calculations.
v2: use ULL everywhere for consistency (Chris)
factor out bias for clarity (Chris)
References: https://bugs.freedesktop.org/show_bug.cgi?id=69692
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_reg.h')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_reg.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index c15cc749ca2c..96fd2ce6aa02 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -1805,6 +1805,9 @@ */ #define HSW_CXT_TOTAL_SIZE (17 * PAGE_SIZE) +#define VLV_CLK_CTL2 0x101104 +#define CLK_CTL2_CZCOUNT_30NS_SHIFT 28 + /* * Overlay regs */ |