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| author | Mika Kuoppala <mika.kuoppala@linux.intel.com> | 2014-07-09 14:55:56 +0300 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2014-07-12 11:13:47 +0200 |
| commit | 542a6b205b184ec90e2108aaebaf8ba16128baec (patch) | |
| tree | af5ef3cb1b973090ef2797c9fb4573107bba227f /drivers/gpu/drm/i915/i915_reg.h | |
| parent | d4ef41ce151988411dec8b089636d9ecbd1da559 (diff) | |
| download | lwn-542a6b205b184ec90e2108aaebaf8ba16128baec.tar.gz lwn-542a6b205b184ec90e2108aaebaf8ba16128baec.zip | |
drm/i915/chv: calculate rc6 residency correctly
The register to read cz count is different from vlv. Also
the counts returned from CCK_CTL1 for BSW are (ticks in 30ns - 1).
czcount_30ns of value 1 is a special case for 320Mhz.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=80703
Suggested-by: Deepak S <deepak.s@linux.intel.com>
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Tested-by: Guo Jinxian <jinxianx.guo@intel.com>
Reviewed-by: Deepak S <deepak.s@linux.intel.com>
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 | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 0ebe0f49db28..503da23b6c3f 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -2281,7 +2281,7 @@ enum punit_power_well { /* Same as Haswell, but 72064 bytes now. */ #define GEN8_CXT_TOTAL_SIZE (18 * PAGE_SIZE) - +#define CHV_CLK_CTL1 0x101100 #define VLV_CLK_CTL2 0x101104 #define CLK_CTL2_CZCOUNT_30NS_SHIFT 28 |