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[v4,22/25] drm/i915/slpc: Check GuC load status in SLPC active check

Message ID 1473236583-11533-23-git-send-email-sagar.a.kamble@intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

sagar.a.kamble@intel.com Sept. 7, 2016, 8:23 a.m. UTC
SLPC status has to be linked with GuC load status to make sure
SLPC actions get invoked when GuC is loaded.

v2: Space and function return convention issues. (Deepak)

v3: Rebase.

v4: Limiting the check for SLPC actions.

Signed-off-by: Sagar Arun Kamble <sagar.a.kamble@intel.com>
---
 drivers/gpu/drm/i915/intel_drv.h | 4 ++++
 1 file changed, 4 insertions(+)
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Patch

diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 99b19ae..64950bc 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -1714,8 +1714,12 @@  bool chv_phy_powergate_ch(struct drm_i915_private *dev_priv, enum dpio_phy phy,
 
 static inline int intel_slpc_active(struct drm_i915_private *dev_priv)
 {
+	struct intel_guc_fw *guc_fw = &dev_priv->guc.guc_fw;
 	int ret = 0;
 
+	if (guc_fw->guc_fw_load_status != GUC_FIRMWARE_SUCCESS)
+		return ret;
+
 	if (dev_priv->guc.slpc.vma && dev_priv->guc.slpc.enabled)
 		ret = 1;