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| author | sagar.a.kamble@intel.com <sagar.a.kamble@intel.com> | 2017-02-03 13:58:33 +0530 |
|---|---|---|
| committer | Tvrtko Ursulin <tvrtko.ursulin@intel.com> | 2017-02-16 10:06:17 +0000 |
| commit | 3582ad1361644ba0f937cf6aa59d5c9ead6763ca (patch) | |
| tree | d54daadb6499a4f553a96d3c8a5e6a0333701334 /drivers/gpu/drm/i915/i915_drv.c | |
| parent | 262fd485ac6b476479f41f00bb104f6a1766ae66 (diff) | |
| download | op-kernel-dev-3582ad1361644ba0f937cf6aa59d5c9ead6763ca.zip op-kernel-dev-3582ad1361644ba0f937cf6aa59d5c9ead6763ca.tar.gz | |
drm/i915: Do RPM Wake during GuC/HuC status read
HUC_STATUS, GUC_STATUS, SOFT_SCRATCH registers are read in debugfs
and getparam ioctl. This patch covers those accesses by RPM get/put.
v2: Covering access in i915_getparam(I915_PARAM_HUC_STATUS) (ChrisW)
Cc: Arkadiusz Hiler <arkadiusz.hiler@intel.com>
Cc: Anusha Srivatsa <anusha.srivatsa@intel.com>
Cc: Fiedorowicz, Lukasz <lukasz.fiedorowicz@intel.com>
Signed-off-by: Sagar Arun Kamble <sagar.a.kamble@intel.com>
Reviewed-by: Arkadiusz Hiler <arkadiusz.hiler@intel.com>
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1486110513-12130-1-git-send-email-sagar.a.kamble@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/i915_drv.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 50de009..c992d40 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -319,10 +319,9 @@ static int i915_getparam(struct drm_device *dev, void *data, value = INTEL_INFO(dev_priv)->sseu.min_eu_in_pool; break; case I915_PARAM_HUC_STATUS: - /* The register is already force-woken. We dont need - * any rpm here - */ + intel_runtime_pm_get(dev_priv); value = I915_READ(HUC_STATUS2) & HUC_FW_VERIFIED; + intel_runtime_pm_put(dev_priv); break; case I915_PARAM_MMAP_GTT_VERSION: /* Though we've started our numbering from 1, and so class all |
