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| author | Ben Widawsky <ben@bwidawsk.net> | 2013-03-23 17:46:31 -0700 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2013-03-25 17:52:04 +0100 |
| commit | fec46b5eff854df5647a9f4724e45dd33933855a (patch) | |
| tree | 276fd2e9a32b34c2641a36755598ee449eeaaadc /drivers/gpu/drm/i915 | |
| parent | 4f3308b9754cb0a4467ccaca4f3ccee42d803620 (diff) | |
| download | talos-op-linux-fec46b5eff854df5647a9f4724e45dd33933855a.tar.gz talos-op-linux-fec46b5eff854df5647a9f4724e45dd33933855a.zip | |
drm/i915: Don't overclock on Haswell
HSW doesn't overclock the same way as IVB or SNB. I do not know about
VLV, so I've kept that off as well. I'm still working on getting the doc
updates to explain how we overclock on Haswell.
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
[danvet: Add missing () spotted by Wu Fengguang's kernel build robot.
Acked by Ben.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_pm.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index ce3db2c1f1d9..6fa9b79a9435 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -2628,7 +2628,7 @@ static void gen6_enable_rps(struct drm_device *dev) (IS_HASWELL(dev) ? GEN7_RP_DOWN_IDLE_AVG : GEN6_RP_DOWN_IDLE_CONT)); ret = sandybridge_pcode_write(dev_priv, GEN6_PCODE_WRITE_MIN_FREQ_TABLE, 0); - if (!ret) { + if (!ret && (IS_GEN6(dev) || IS_IVYBRIDGE(dev))) { pcu_mbox = 0; ret = sandybridge_pcode_read(dev_priv, GEN6_READ_OC_PARAMS, &pcu_mbox); if (!ret && (pcu_mbox & (1<<31))) { /* OC supported */ |
