diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index aaa861b510245a30bb57770c8c10e0259b772bf6..d61b51c0bf0bb19770d835aaf55ac33f894e5001 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -2575,7 +2575,7 @@ static int intel_runtime_suspend(struct device *kdev)
*/
i915_gem_runtime_suspend(dev_priv);
- intel_guc_suspend(dev_priv);
+ intel_uc_suspend(dev_priv);
intel_runtime_pm_disable_interrupts(dev_priv);
@@ -2597,7 +2597,7 @@ static int intel_runtime_suspend(struct device *kdev)
intel_runtime_pm_enable_interrupts(dev_priv);
- intel_guc_resume(dev_priv);
+ intel_uc_resume(dev_priv);
i915_gem_init_swizzling(dev_priv);
i915_gem_restore_fences(dev_priv);
@@ -2683,7 +2683,7 @@ static int intel_runtime_resume(struct device *kdev)
intel_runtime_pm_enable_interrupts(dev_priv);
- intel_guc_resume(dev_priv);
+ intel_uc_resume(dev_priv);
/*
* No point of rolling back things in case of an error, as the best
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index dcdcc09240b9072a673f55616d5588f414d22117..a5bd07338b46d00a2522ce34fb63a485f0a8e37f 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -4920,7 +4920,7 @@ int i915_gem_suspend(struct drm_i915_private *dev_priv)
i915_gem_contexts_lost(dev_priv);
mutex_unlock(&dev->struct_mutex);
- intel_guc_suspend(dev_priv);
+ intel_uc_suspend(dev_priv);
cancel_delayed_work_sync(&dev_priv->gpu_error.hangcheck_work);
cancel_delayed_work_sync(&dev_priv->gt.retire_work);
@@ -4987,7 +4987,7 @@ void i915_gem_resume(struct drm_i915_private *i915)
if (i915_gem_init_hw(i915))
goto err_wedged;
- intel_guc_resume(i915);
+ intel_uc_resume(i915);
/* Always reload a context for powersaving. */
if (i915_gem_switch_to_kernel_context(i915))
diff --git a/drivers/gpu/drm/i915/intel_guc.c b/drivers/gpu/drm/i915/intel_guc.c
index e6512cccef75a10b9a427b7ff53646dd98565a1c..ff08ea0ebf49bfbadaffaab07077ff07defc8d8e 100644
--- a/drivers/gpu/drm/i915/intel_guc.c
+++ b/drivers/gpu/drm/i915/intel_guc.c
@@ -403,22 +403,15 @@ int intel_guc_auth_huc(struct intel_guc *guc, u32 rsa_offset)
/**
* intel_guc_suspend() - notify GuC entering suspend state
- * @dev_priv: i915 device private
+ * @guc: the guc
*/
-int intel_guc_suspend(struct drm_i915_private *dev_priv)
+int intel_guc_suspend(struct intel_guc *guc)
{
- struct intel_guc *guc = &dev_priv->guc;
- u32 data[3];
-
- if (guc->fw.load_status != INTEL_UC_FIRMWARE_SUCCESS)
- return 0;
-
- gen9_disable_guc_interrupts(dev_priv);
-
- data[0] = INTEL_GUC_ACTION_ENTER_S_STATE;
- /* any value greater than GUC_POWER_D0 */
- data[1] = GUC_POWER_D1;
- data[2] = guc_ggtt_offset(guc->shared_data);
+ u32 data[] = {
+ INTEL_GUC_ACTION_ENTER_S_STATE,
+ GUC_POWER_D1, /* any value greater than GUC_POWER_D0 */
+ guc_ggtt_offset(guc->shared_data)
+ };
return intel_guc_send(guc, data, ARRAY_SIZE(data));
}
@@ -448,22 +441,15 @@ int intel_guc_reset_engine(struct intel_guc *guc,
/**
* intel_guc_resume() - notify GuC resuming from suspend state
- * @dev_priv: i915 device private
+ * @guc: the guc
*/
-int intel_guc_resume(struct drm_i915_private *dev_priv)
+int intel_guc_resume(struct intel_guc *guc)
{
- struct intel_guc *guc = &dev_priv->guc;
- u32 data[3];
-
- if (guc->fw.load_status != INTEL_UC_FIRMWARE_SUCCESS)
- return 0;
-
- if (i915_modparams.guc_log_level)
- gen9_enable_guc_interrupts(dev_priv);
-
- data[0] = INTEL_GUC_ACTION_EXIT_S_STATE;
- data[1] = GUC_POWER_D0;
- data[2] = guc_ggtt_offset(guc->shared_data);
+ u32 data[] = {
+ INTEL_GUC_ACTION_EXIT_S_STATE,
+ GUC_POWER_D0,
+ guc_ggtt_offset(guc->shared_data)
+ };
return intel_guc_send(guc, data, ARRAY_SIZE(data));
}
diff --git a/drivers/gpu/drm/i915/intel_guc.h b/drivers/gpu/drm/i915/intel_guc.h
index 52856a97477dc645f404f8f7a7c6557722b5142b..b9424ac644ac9635d20ae48dda394800a805798f 100644
--- a/drivers/gpu/drm/i915/intel_guc.h
+++ b/drivers/gpu/drm/i915/intel_guc.h
@@ -127,8 +127,8 @@ int intel_guc_send_nop(struct intel_guc *guc, const u32 *action, u32 len);
int intel_guc_send_mmio(struct intel_guc *guc, const u32 *action, u32 len);
int intel_guc_sample_forcewake(struct intel_guc *guc);
int intel_guc_auth_huc(struct intel_guc *guc, u32 rsa_offset);
-int intel_guc_suspend(struct drm_i915_private *dev_priv);
-int intel_guc_resume(struct drm_i915_private *dev_priv);
+int intel_guc_suspend(struct intel_guc *guc);
+int intel_guc_resume(struct intel_guc *guc);
struct i915_vma *intel_guc_allocate_vma(struct intel_guc *guc, u32 size);
u32 intel_guc_wopcm_size(struct drm_i915_private *dev_priv);
diff --git a/drivers/gpu/drm/i915/intel_uc.c b/drivers/gpu/drm/i915/intel_uc.c
index 8e25474b435c98c2c8a6616288cf8d374afbda7a..e5bf0d37bf438931ccdb15d6ae218f715722e668 100644
--- a/drivers/gpu/drm/i915/intel_uc.c
+++ b/drivers/gpu/drm/i915/intel_uc.c
@@ -445,3 +445,48 @@ void intel_uc_fini_hw(struct drm_i915_private *dev_priv)
if (USES_GUC_SUBMISSION(dev_priv))
gen9_disable_guc_interrupts(dev_priv);
}
+
+int intel_uc_suspend(struct drm_i915_private *i915)
+{
+ struct intel_guc *guc = &i915->guc;
+ int err;
+
+ if (!USES_GUC(i915))
+ return 0;
+
+ if (guc->fw.load_status != INTEL_UC_FIRMWARE_SUCCESS)
+ return 0;
+
+ err = intel_guc_suspend(guc);
+ if (err) {
+ DRM_DEBUG_DRIVER("Failed to suspend GuC, err=%d", err);
+ return err;
+ }
+
+ gen9_disable_guc_interrupts(i915);
+
+ return 0;
+}
+
+int intel_uc_resume(struct drm_i915_private *i915)
+{
+ struct intel_guc *guc = &i915->guc;
+ int err;
+
+ if (!USES_GUC(i915))
+ return 0;
+
+ if (guc->fw.load_status != INTEL_UC_FIRMWARE_SUCCESS)
+ return 0;
+
+ if (i915_modparams.guc_log_level)
+ gen9_enable_guc_interrupts(i915);
+
+ err = intel_guc_resume(guc);
+ if (err) {
+ DRM_DEBUG_DRIVER("Failed to resume GuC, err=%d", err);
+ return err;
+ }
+
+ return 0;
+}
diff --git a/drivers/gpu/drm/i915/intel_uc.h b/drivers/gpu/drm/i915/intel_uc.h
index f2984e01e2575f744cac5ae479125baf88c45964..f76d51d1ce70958ca12e23cc64e552e0560f508f 100644
--- a/drivers/gpu/drm/i915/intel_uc.h
+++ b/drivers/gpu/drm/i915/intel_uc.h
@@ -39,6 +39,8 @@ int intel_uc_init_hw(struct drm_i915_private *dev_priv);
void intel_uc_fini_hw(struct drm_i915_private *dev_priv);
int intel_uc_init(struct drm_i915_private *dev_priv);
void intel_uc_fini(struct drm_i915_private *dev_priv);
+int intel_uc_suspend(struct drm_i915_private *dev_priv);
+int intel_uc_resume(struct drm_i915_private *dev_priv);
static inline bool intel_uc_is_using_guc(void)
{