diff options
| author | Dave Airlie <airlied@redhat.com> | 2015-03-13 09:15:01 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2015-03-13 09:15:01 +1000 |
| commit | 17b263f6ea4692b031775df1028e367cfcaad950 (patch) | |
| tree | 2ec408cdbb17585301fcf25beca4070ccfc52e27 /drivers/gpu/drm/i915/intel_uncore.c | |
| parent | cd961bb9eebb630452f49dcbf3e5f0059428614a (diff) | |
| parent | 5e4f518959bdf8a4f9c8f80879e4a0f7a95d2cb3 (diff) | |
Merge tag 'drm-intel-fixes-2015-03-12' of git://anongit.freedesktop.org/drm-intel into drm-fixes
More i915 fixes, three out of four are fixes to old bugs, cc: stable.
* tag 'drm-intel-fixes-2015-03-12' of git://anongit.freedesktop.org/drm-intel:
drm/i915: Prevent TLB error on first execution on SNB
drm/i915: Do both mt and gen6 style forcewake reset on ivb probe
drm/i915: Make WAIT_IOCTL negative timeouts be indefinite again
drm/i915: use in_interrupt() not in_irq() to check context
Diffstat (limited to 'drivers/gpu/drm/i915/intel_uncore.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_uncore.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c index c47a3baa53d5..4e8fb891d4ea 100644 --- a/drivers/gpu/drm/i915/intel_uncore.c +++ b/drivers/gpu/drm/i915/intel_uncore.c @@ -1048,8 +1048,14 @@ static void intel_uncore_fw_domains_init(struct drm_device *dev) /* We need to init first for ECOBUS access and then * determine later if we want to reinit, in case of MT access is - * not working + * not working. In this stage we don't know which flavour this + * ivb is, so it is better to reset also the gen6 fw registers + * before the ecobus check. */ + + __raw_i915_write32(dev_priv, FORCEWAKE, 0); + __raw_posting_read(dev_priv, ECOBUS); + fw_domain_init(dev_priv, FW_DOMAIN_ID_RENDER, FORCEWAKE_MT, FORCEWAKE_MT_ACK); |