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2024-05-16 8d2a02b24d66aa359e83eebc1ed3c0f85367a1cb 
 kernel/drivers/gpu/arm/bifrost/backend/gpu/mali_kbase_pm_mcu_states.h
....@@ -1,7 +1,7 @@
11 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
22 /*
33  *
4
- * (C) COPYRIGHT 2020-2021 ARM Limited. All rights reserved.
4
+ * (C) COPYRIGHT 2020-2022 ARM Limited. All rights reserved.
55  *
66  * This program is free software and is provided to you under the terms of the
77  * GNU General Public License version 2 as published by the Free Software
....@@ -25,23 +25,54 @@
2525  * this header file. This header file can be included multiple times in the
2626  * same compilation unit with different definitions of KBASEP_MCU_STATE().
2727  *
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- * @OFF:                      The MCU is powered off.
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- * @PEND_ON_RELOAD:           The warm boot of MCU or cold boot of MCU (with
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- *                            firmware reloading) is in progress.
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- * @ON_GLB_REINIT_PEND:       The MCU is enabled and Global configuration
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- *                            requests have been sent to the firmware.
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- * @ON_HWCNT_ENABLE:          The Global requests have completed and MCU is now
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- *                            ready for use and hwcnt is being enabled.
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- * @ON:                       The MCU is active and hwcnt has been enabled.
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- * @ON_CORE_ATTR_UPDATE_PEND: The MCU is active and mask of enabled shader cores
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- *                            is being updated.
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- * @ON_HWCNT_DISABLE:         The MCU is on and hwcnt is being disabled.
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- * @ON_HALT:                  The MCU is on and hwcnt has been disabled, MCU
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- *                            halt would be triggered.
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- * @ON_PEND_HALT:             MCU halt in progress, confirmation pending.
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- * @POWER_DOWN:               MCU halted operations, pending being disabled.
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- * @PEND_OFF:                 MCU is being disabled, pending on powering off.
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- * @RESET_WAIT:               The GPU is resetting, MCU state is unknown.
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+ * @OFF:                                The MCU is powered off.
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+ * @PEND_ON_RELOAD:                     The warm boot of MCU or cold boot of MCU (with
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+ *                                      firmware reloading) is in progress.
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+ * @ON_GLB_REINIT_PEND:                 The MCU is enabled and Global configuration
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+ *                                      requests have been sent to the firmware.
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+ * @ON_HWCNT_ENABLE:                    The Global requests have completed and MCU is now
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+ *                                      ready for use and hwcnt is being enabled.
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+ * @ON:                                 The MCU is active and hwcnt has been enabled.
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+ * @ON_CORE_ATTR_UPDATE_PEND:           The MCU is active and mask of enabled shader cores
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+ *                                      is being updated.
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+ * @ON_HWCNT_DISABLE:                   The MCU is on and hwcnt is being disabled.
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+ * @ON_HALT:                            The MCU is on and hwcnt has been disabled, MCU
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+ *                                      halt would be triggered.
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+ * @ON_PEND_HALT:                       MCU halt in progress, confirmation pending.
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+ * @POWER_DOWN:                         MCU halted operations, pending being disabled.
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+ * @PEND_OFF:                           MCU is being disabled, pending on powering off.
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+ * @RESET_WAIT:                         The GPU is resetting, MCU state is unknown.
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+ * @HCTL_SHADERS_PEND_ON:               Global configuration requests sent to the firmware
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+ *                                      have completed and shaders have been requested to
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+ *                                      power on.
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+ * @HCTL_CORES_NOTIFY_PEND:             Shader cores have powered up and firmware is being
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+ *                                      notified of the mask of enabled shader cores.
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+ * @HCTL_MCU_ON_RECHECK:                MCU is on and hwcnt disabling is triggered
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+ *                                      and checks are done to update the number of
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+ *                                      enabled cores.
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+ * @HCTL_SHADERS_READY_OFF:             MCU has halted and cores need to be powered down
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+ * @HCTL_SHADERS_PEND_OFF:              Cores are transitioning to power down.
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+ * @HCTL_CORES_DOWN_SCALE_NOTIFY_PEND:  Firmware has been informed to stop using
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+ *                                      specific cores, due to core_mask change request.
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+ *                                      After the ACK from FW, the wait will be done for
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+ *                                      undesired cores to become inactive.
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+ * @HCTL_CORE_INACTIVE_PEND:            Waiting for specific cores to become inactive.
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+ *                                      Once the cores become inactive their power down
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+ *                                      will be initiated.
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+ * @HCTL_SHADERS_CORE_OFF_PEND:         Waiting for specific cores to complete the
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+ *                                      transition to power down. Once powered down,
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+ *                                      HW counters will be re-enabled.
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+ * @ON_SLEEP_INITIATE:                  MCU is on and hwcnt has been disabled and MCU
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+ *                                      is being put to sleep.
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+ * @ON_PEND_SLEEP:                      MCU sleep is in progress.
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+ * @IN_SLEEP:                           Sleep request is completed and MCU has halted.
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+ * @ON_PMODE_ENTER_CORESIGHT_DISABLE:   The MCU is on, protected mode enter is about to
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+ *                                      be requested, Coresight is being disabled.
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+ * @ON_PMODE_EXIT_CORESIGHT_ENABLE :    The MCU is on, protected mode exit has happened
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+ *                                      Coresight is being enabled.
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+ * @CORESIGHT_DISABLE:                  The MCU is on and Coresight is being disabled.
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+ * @CORESIGHT_ENABLE:                   The MCU is on, host does not have control and
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+ *                                      Coresight is being enabled.
4576  */
4677 KBASEP_MCU_STATE(OFF)
4778 KBASEP_MCU_STATE(PEND_ON_RELOAD)
....@@ -61,3 +92,17 @@
6192 KBASEP_MCU_STATE(HCTL_MCU_ON_RECHECK)
6293 KBASEP_MCU_STATE(HCTL_SHADERS_READY_OFF)
6394 KBASEP_MCU_STATE(HCTL_SHADERS_PEND_OFF)
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+KBASEP_MCU_STATE(HCTL_CORES_DOWN_SCALE_NOTIFY_PEND)
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+KBASEP_MCU_STATE(HCTL_CORE_INACTIVE_PEND)
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+KBASEP_MCU_STATE(HCTL_SHADERS_CORE_OFF_PEND)
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+/* Additional MCU states to support GPU sleep feature */
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+KBASEP_MCU_STATE(ON_SLEEP_INITIATE)
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+KBASEP_MCU_STATE(ON_PEND_SLEEP)
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+KBASEP_MCU_STATE(IN_SLEEP)
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+#if IS_ENABLED(CONFIG_MALI_CORESIGHT)
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+/* Additional MCU states for Coresight */
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+KBASEP_MCU_STATE(ON_PMODE_ENTER_CORESIGHT_DISABLE)
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+KBASEP_MCU_STATE(ON_PMODE_EXIT_CORESIGHT_ENABLE)
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+KBASEP_MCU_STATE(CORESIGHT_DISABLE)
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+KBASEP_MCU_STATE(CORESIGHT_ENABLE)
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+#endif /* IS_ENABLED(CONFIG_MALI_CORESIGHT) */