diff options
| author | Sagar Arun Kamble <sagar.a.kamble@intel.com> | 2017-03-11 08:06:59 +0530 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2017-03-12 12:59:06 +0000 |
| commit | 7762ebb9a455db18eef5c366da5496fb38429d56 (patch) | |
| tree | 0704004d28d4771381c4408f52d0cc5e39a72046 /drivers/gpu/drm/i915 | |
| parent | 7c0a16ad7c5f7f6278da78edb5a416f30fe28d08 (diff) | |
drm/i915/guc: Release GuC interrupts in i915_guc_submission_disable
Like capture of GuC interrupts while enabling GuC submission, release
them while disabling GuC submission.
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Oscar Mateo <oscar.mateo@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Sagar Arun Kamble <sagar.a.kamble@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1489199821-6707-1-git-send-email-sagar.a.kamble@intel.com
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'drivers/gpu/drm/i915')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_guc_submission.c | 23 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_guc_loader.c | 21 |
2 files changed, 23 insertions, 21 deletions
diff --git a/drivers/gpu/drm/i915/i915_guc_submission.c b/drivers/gpu/drm/i915/i915_guc_submission.c index 41f2dd87b413..01b611cdb751 100644 --- a/drivers/gpu/drm/i915/i915_guc_submission.c +++ b/drivers/gpu/drm/i915/i915_guc_submission.c @@ -995,10 +995,33 @@ int i915_guc_submission_enable(struct drm_i915_private *dev_priv) return 0; } +static void guc_interrupts_release(struct drm_i915_private *dev_priv) +{ + struct intel_engine_cs *engine; + enum intel_engine_id id; + int irqs; + + /* + * tell all command streamers NOT to forward interrupts or vblank + * to GuC. + */ + irqs = _MASKED_FIELD(GFX_FORWARD_VBLANK_MASK, GFX_FORWARD_VBLANK_NEVER); + irqs |= _MASKED_BIT_DISABLE(GFX_INTERRUPT_STEERING); + for_each_engine(engine, dev_priv, id) + I915_WRITE(RING_MODE_GEN7(engine), irqs); + + /* route all GT interrupts to the host */ + I915_WRITE(GUC_BCS_RCS_IER, 0); + I915_WRITE(GUC_VCS2_VCS1_IER, 0); + I915_WRITE(GUC_WD_VECS_IER, 0); +} + void i915_guc_submission_disable(struct drm_i915_private *dev_priv) { struct intel_guc *guc = &dev_priv->guc; + guc_interrupts_release(dev_priv); + if (!guc->execbuf_client) return; diff --git a/drivers/gpu/drm/i915/intel_guc_loader.c b/drivers/gpu/drm/i915/intel_guc_loader.c index 2e24712cf3ee..759ab3427014 100644 --- a/drivers/gpu/drm/i915/intel_guc_loader.c +++ b/drivers/gpu/drm/i915/intel_guc_loader.c @@ -91,24 +91,6 @@ const char *intel_uc_fw_status_repr(enum intel_uc_fw_status status) } }; -static void guc_interrupts_release(struct drm_i915_private *dev_priv) -{ - struct intel_engine_cs *engine; - enum intel_engine_id id; - int irqs; - - /* tell all command streamers NOT to forward interrupts or vblank to GuC */ - irqs = _MASKED_FIELD(GFX_FORWARD_VBLANK_MASK, GFX_FORWARD_VBLANK_NEVER); - irqs |= _MASKED_BIT_DISABLE(GFX_INTERRUPT_STEERING); - for_each_engine(engine, dev_priv, id) - I915_WRITE(RING_MODE_GEN7(engine), irqs); - - /* route all GT interrupts to the host */ - I915_WRITE(GUC_BCS_RCS_IER, 0); - I915_WRITE(GUC_VCS2_VCS1_IER, 0); - I915_WRITE(GUC_WD_VECS_IER, 0); -} - static u32 get_gttype(struct drm_i915_private *dev_priv) { /* XXX: GT type based on PCI device ID? field seems unused by fw */ @@ -429,7 +411,6 @@ int intel_guc_setup(struct drm_i915_private *dev_priv) goto fail; } - guc_interrupts_release(dev_priv); gen9_reset_guc_interrupts(dev_priv); /* We need to notify the guc whenever we change the GGTT */ @@ -496,7 +477,6 @@ fail: if (guc_fw->load_status == INTEL_UC_FIRMWARE_PENDING) guc_fw->load_status = INTEL_UC_FIRMWARE_FAIL; - guc_interrupts_release(dev_priv); i915_guc_submission_disable(dev_priv); i915_guc_submission_fini(dev_priv); i915_ggtt_disable_guc(dev_priv); @@ -746,7 +726,6 @@ void intel_guc_fini(struct drm_i915_private *dev_priv) struct drm_i915_gem_object *obj; mutex_lock(&dev_priv->drm.struct_mutex); - guc_interrupts_release(dev_priv); i915_guc_submission_disable(dev_priv); i915_guc_submission_fini(dev_priv); mutex_unlock(&dev_priv->drm.struct_mutex); |