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| author | Rodrigo Vivi <rodrigo.vivi@gmail.com> | 2013-03-25 17:55:49 -0300 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2013-03-26 09:04:01 +0100 |
| commit | 92bd1bf089762dfee9fe34437068714a881c8bc0 (patch) | |
| tree | 2af7851320c1c2a2214fc1e4f0a97f677a951e53 /drivers/gpu/drm/i915/i915_reg.h | |
| parent | a42f704b71b252705f34fbe60ea6f4a76f891a78 (diff) | |
| download | lwn-92bd1bf089762dfee9fe34437068714a881c8bc0.tar.gz lwn-92bd1bf089762dfee9fe34437068714a881c8bc0.zip | |
drm/i915: HSW PM Frequency bits fix
According to HSW PM programming guide, frequency bits starts at
24 instead of 25.
v2: Paulo Zanoni noticed that only frequency bits can be set at
GEN6_RPNSWREQ. All others are read only.
CC: Ben Widawsky <ben@bwidawsk.net>
CC: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@gmail.com>
Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
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 | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index bceca1159137..5e995ec0951d 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -4190,6 +4190,7 @@ #define GEN6_RPNSWREQ 0xA008 #define GEN6_TURBO_DISABLE (1<<31) #define GEN6_FREQUENCY(x) ((x)<<25) +#define HSW_FREQUENCY(x) ((x)<<24) #define GEN6_OFFSET(x) ((x)<<19) #define GEN6_AGGRESSIVE_TURBO (0<<15) #define GEN6_RC_VIDEO_FREQ 0xA00C |