diff options
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.c | 8 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_sideband.c | 13 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_sideband.h | 2 |
3 files changed, 17 insertions, 6 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 05e043dfeb1d..4e44c98e5db8 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -620,7 +620,9 @@ static int i915_driver_hw_probe(struct drm_i915_private *dev_priv) intel_opregion_setup(dev_priv); - intel_pcode_init(dev_priv); + ret = intel_pcode_init(dev_priv); + if (ret) + goto err_msi; /* * Fill the dram structure to get the system dram info. This will be @@ -1231,6 +1233,10 @@ static int i915_drm_resume(struct drm_device *dev) disable_rpm_wakeref_asserts(&dev_priv->runtime_pm); + ret = intel_pcode_init(dev_priv); + if (ret) + return ret; + sanitize_gpu(dev_priv); ret = i915_ggtt_enable_hw(dev_priv); diff --git a/drivers/gpu/drm/i915/intel_sideband.c b/drivers/gpu/drm/i915/intel_sideband.c index f0a82b37bd1a..e304bf44e1ff 100644 --- a/drivers/gpu/drm/i915/intel_sideband.c +++ b/drivers/gpu/drm/i915/intel_sideband.c @@ -556,17 +556,22 @@ out: #undef COND } -void intel_pcode_init(struct drm_i915_private *i915) +int intel_pcode_init(struct drm_i915_private *i915) { - int ret; + int ret = 0; if (!IS_DGFX(i915)) - return; + return ret; ret = skl_pcode_request(i915, DG1_PCODE_STATUS, DG1_UNCORE_GET_INIT_STATUS, DG1_UNCORE_INIT_STATUS_COMPLETE, - DG1_UNCORE_INIT_STATUS_COMPLETE, 50); + DG1_UNCORE_INIT_STATUS_COMPLETE, 180000); + + drm_dbg(&i915->drm, "PCODE init status %d\n", ret); + if (ret) drm_err(&i915->drm, "Pcode did not report uncore initialization completion!\n"); + + return ret; } diff --git a/drivers/gpu/drm/i915/intel_sideband.h b/drivers/gpu/drm/i915/intel_sideband.h index 094c7b19c5d4..d1d14bcb8f56 100644 --- a/drivers/gpu/drm/i915/intel_sideband.h +++ b/drivers/gpu/drm/i915/intel_sideband.h @@ -138,6 +138,6 @@ int sandybridge_pcode_write_timeout(struct drm_i915_private *i915, u32 mbox, int skl_pcode_request(struct drm_i915_private *i915, u32 mbox, u32 request, u32 reply_mask, u32 reply, int timeout_base_ms); -void intel_pcode_init(struct drm_i915_private *i915); +int intel_pcode_init(struct drm_i915_private *i915); #endif /* _INTEL_SIDEBAND_H */ |