Merge drm/drm-next into drm-intel-gt-next

Daniele needs 84d4333c1e28 ("misc/mei: Add NULL check to component match
callback functions") in order to merge the DG2 HuC patches.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>

1 files changed, 27 insertions, 10 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c
index 0e12315fa0cb..3da27436922c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 /*
  * Copyright 2012 Advanced Micro Devices, Inc.
  *
@@ -66,9 +67,7 @@ struct amdgpu_atif {
 	struct amdgpu_atif_notifications notifications;
 	struct amdgpu_atif_functions functions;
 	struct amdgpu_atif_notification_cfg notification_cfg;
-#if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) || defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE)
 	struct backlight_device *bd;
-#endif
 	struct amdgpu_dm_backlight_caps backlight_caps;
 };
 
@@ -436,7 +435,6 @@ static int amdgpu_atif_handler(struct amdgpu_device *adev,
 		DRM_DEBUG_DRIVER("ATIF: %d pending SBIOS requests\n", count);
 
 		if (req.pending & ATIF_PANEL_BRIGHTNESS_CHANGE_REQUEST) {
-#if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) || defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE)
 			if (atif->bd) {
 				DRM_DEBUG_DRIVER("Changing brightness to %d\n",
 						 req.backlight_level);
@@ -447,7 +445,6 @@ static int amdgpu_atif_handler(struct amdgpu_device *adev,
 				 */
 				backlight_device_set_brightness(atif->bd, req.backlight_level);
 			}
-#endif
 		}
 
 		if (req.pending & ATIF_DGPU_DISPLAY_EVENT) {
@@ -849,11 +846,11 @@ int amdgpu_acpi_init(struct amdgpu_device *adev)
 {
 	struct amdgpu_atif *atif = &amdgpu_acpi_priv.atif;
 
-#if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) || defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE)
 	if (atif->notifications.brightness_change) {
 		if (amdgpu_device_has_dc_support(adev)) {
 #if defined(CONFIG_DRM_AMD_DC)
 			struct amdgpu_display_manager *dm = &adev->dm;
+
 			if (dm->backlight_dev[0])
 				atif->bd = dm->backlight_dev[0];
 #endif
@@ -868,6 +865,7 @@ int amdgpu_acpi_init(struct amdgpu_device *adev)
 				if ((enc->devices & (ATOM_DEVICE_LCD_SUPPORT)) &&
 				    enc->enc_priv) {
 					struct amdgpu_encoder_atom_dig *dig = enc->enc_priv;
+
 					if (dig->bl_dev) {
 						atif->bd = dig->bl_dev;
 						break;
@@ -876,7 +874,6 @@ int amdgpu_acpi_init(struct amdgpu_device *adev)
 			}
 		}
 	}
-#endif
 	adev->acpi_nb.notifier_call = amdgpu_acpi_event;
 	register_acpi_notifier(&adev->acpi_nb);
 
@@ -925,9 +922,9 @@ static bool amdgpu_atif_pci_probe_handle(struct pci_dev *pdev)
 		return false;
 
 	status = acpi_get_handle(dhandle, "ATIF", &atif_handle);
-	if (ACPI_FAILURE(status)) {
+	if (ACPI_FAILURE(status))
 		return false;
-	}
+
 	amdgpu_acpi_priv.atif.handle = atif_handle;
 	acpi_get_name(amdgpu_acpi_priv.atif.handle, ACPI_FULL_PATHNAME, &buffer);
 	DRM_DEBUG_DRIVER("Found ATIF handle %s\n", acpi_method_name);
@@ -960,9 +957,9 @@ static bool amdgpu_atcs_pci_probe_handle(struct pci_dev *pdev)
 		return false;
 
 	status = acpi_get_handle(dhandle, "ATCS", &atcs_handle);
-	if (ACPI_FAILURE(status)) {
+	if (ACPI_FAILURE(status))
 		return false;
-	}
+
 	amdgpu_acpi_priv.atcs.handle = atcs_handle;
 	acpi_get_name(amdgpu_acpi_priv.atcs.handle, ACPI_FULL_PATHNAME, &buffer);
 	DRM_DEBUG_DRIVER("Found ATCS handle %s\n", acpi_method_name);
@@ -1046,6 +1043,20 @@ bool amdgpu_acpi_is_s3_active(struct amdgpu_device *adev)
 }
 
 /**
+ * amdgpu_acpi_should_gpu_reset
+ *
+ * @adev: amdgpu_device_pointer
+ *
+ * returns true if should reset GPU, false if not
+ */
+bool amdgpu_acpi_should_gpu_reset(struct amdgpu_device *adev)
+{
+	if (adev->flags & AMD_IS_APU)
+		return false;
+	return pm_suspend_target_state != PM_SUSPEND_TO_IDLE;
+}
+
+/**
  * amdgpu_acpi_is_s0ix_active
  *
  * @adev: amdgpu_device_pointer
@@ -1058,6 +1069,12 @@ bool amdgpu_acpi_is_s0ix_active(struct amdgpu_device *adev)
 	    (pm_suspend_target_state != PM_SUSPEND_TO_IDLE))
 		return false;
 
+	/*
+	 * If ACPI_FADT_LOW_POWER_S0 is not set in the FADT, it is generally
+	 * risky to do any special firmware-related preparations for entering
+	 * S0ix even though the system is suspending to idle, so return false
+	 * in that case.
+	 */
 	if (!(acpi_gbl_FADT.flags & ACPI_FADT_LOW_POWER_S0)) {
 		dev_warn_once(adev->dev,
 			      "Power consumption will be higher as BIOS has not been configured for suspend-to-idle.\n"