diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c | 755 |
1 files changed, 755 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c new file mode 100644 index 000000000000..ca5d0d1581dc --- /dev/null +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c @@ -0,0 +1,755 @@ +/* + * Copyright 2015 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: AMD + * + */ + +#include <drm/drmP.h> + +#include "dm_services_types.h" +#include "dc.h" + +#include "amdgpu.h" +#include "amdgpu_dm.h" +#include "amdgpu_dm_irq.h" + +/****************************************************************************** + * Private declarations. + *****************************************************************************/ + +struct handler_common_data { + struct list_head list; + interrupt_handler handler; + void *handler_arg; + + /* DM which this handler belongs to */ + struct amdgpu_display_manager *dm; +}; + +struct amdgpu_dm_irq_handler_data { + struct handler_common_data hcd; + /* DAL irq source which registered for this interrupt. */ + enum dc_irq_source irq_source; +}; + +struct amdgpu_dm_timer_handler_data { + struct handler_common_data hcd; + struct delayed_work d_work; +}; + +#define DM_IRQ_TABLE_LOCK(adev, flags) \ + spin_lock_irqsave(&adev->dm.irq_handler_list_table_lock, flags) + +#define DM_IRQ_TABLE_UNLOCK(adev, flags) \ + spin_unlock_irqrestore(&adev->dm.irq_handler_list_table_lock, flags) + +/****************************************************************************** + * Private functions. + *****************************************************************************/ + +static void init_handler_common_data(struct handler_common_data *hcd, + void (*ih)(void *), + void *args, + struct amdgpu_display_manager *dm) +{ + hcd->handler = ih; + hcd->handler_arg = args; + hcd->dm = dm; +} + +/** + * dm_irq_work_func - Handle an IRQ outside of the interrupt handler proper. + * + * @work: work struct + */ +static void dm_irq_work_func(struct work_struct *work) +{ + struct list_head *entry; + struct irq_list_head *irq_list_head = + container_of(work, struct irq_list_head, work); + struct list_head *handler_list = &irq_list_head->head; + struct amdgpu_dm_irq_handler_data *handler_data; + + list_for_each(entry, handler_list) { + handler_data = + list_entry( + entry, + struct amdgpu_dm_irq_handler_data, + hcd.list); + + DRM_DEBUG_KMS("DM_IRQ: work_func: for dal_src=%d\n", + handler_data->irq_source); + + DRM_DEBUG_KMS("DM_IRQ: schedule_work: for dal_src=%d\n", + handler_data->irq_source); + + handler_data->hcd.handler(handler_data->hcd.handler_arg); + } + + /* Call a DAL subcomponent which registered for interrupt notification + * at INTERRUPT_LOW_IRQ_CONTEXT. + * (The most common use is HPD interrupt) */ +} + +/** + * Remove a handler and return a pointer to hander list from which the + * handler was removed. + */ +static struct list_head *remove_irq_handler(struct amdgpu_device *adev, + void *ih, + const struct dc_interrupt_params *int_params) +{ + struct list_head *hnd_list; + struct list_head *entry, *tmp; + struct amdgpu_dm_irq_handler_data *handler; + unsigned long irq_table_flags; + bool handler_removed = false; + enum dc_irq_source irq_source; + + DM_IRQ_TABLE_LOCK(adev, irq_table_flags); + + irq_source = int_params->irq_source; + + switch (int_params->int_context) { + case INTERRUPT_HIGH_IRQ_CONTEXT: + hnd_list = &adev->dm.irq_handler_list_high_tab[irq_source]; + break; + case INTERRUPT_LOW_IRQ_CONTEXT: + default: + hnd_list = &adev->dm.irq_handler_list_low_tab[irq_source].head; + break; + } + + list_for_each_safe(entry, tmp, hnd_list) { + + handler = list_entry(entry, struct amdgpu_dm_irq_handler_data, + hcd.list); + + if (ih == handler) { + /* Found our handler. Remove it from the list. */ + list_del(&handler->hcd.list); + handler_removed = true; + break; + } + } + + DM_IRQ_TABLE_UNLOCK(adev, irq_table_flags); + + if (handler_removed == false) { + /* Not necessarily an error - caller may not + * know the context. */ + return NULL; + } + + kfree(handler); + + DRM_DEBUG_KMS( + "DM_IRQ: removed irq handler: %p for: dal_src=%d, irq context=%d\n", + ih, int_params->irq_source, int_params->int_context); + + return hnd_list; +} + +/* If 'handler_in == NULL' then remove ALL handlers. */ +static void remove_timer_handler(struct amdgpu_device *adev, + struct amdgpu_dm_timer_handler_data *handler_in) +{ + struct amdgpu_dm_timer_handler_data *handler_temp; + struct list_head *handler_list; + struct list_head *entry, *tmp; + unsigned long irq_table_flags; + bool handler_removed = false; + + DM_IRQ_TABLE_LOCK(adev, irq_table_flags); + + handler_list = &adev->dm.timer_handler_list; + + list_for_each_safe(entry, tmp, handler_list) { + /* Note that list_for_each_safe() guarantees that + * handler_temp is NOT null. */ + handler_temp = list_entry(entry, + struct amdgpu_dm_timer_handler_data, hcd.list); + + if (handler_in == NULL || handler_in == handler_temp) { + list_del(&handler_temp->hcd.list); + DM_IRQ_TABLE_UNLOCK(adev, irq_table_flags); + + DRM_DEBUG_KMS("DM_IRQ: removing timer handler: %p\n", + handler_temp); + + if (handler_in == NULL) { + /* Since it is still in the queue, it must + * be cancelled. */ + cancel_delayed_work_sync(&handler_temp->d_work); + } + + kfree(handler_temp); + handler_removed = true; + + DM_IRQ_TABLE_LOCK(adev, irq_table_flags); + } + + /* Remove ALL handlers. */ + if (handler_in == NULL) + continue; + + /* Remove a SPECIFIC handler. + * Found our handler - we can stop here. */ + if (handler_in == handler_temp) + break; + } + + DM_IRQ_TABLE_UNLOCK(adev, irq_table_flags); + + if (handler_in != NULL && handler_removed == false) + DRM_ERROR("DM_IRQ: handler: %p is not in the list!\n", + handler_in); +} + +static bool +validate_irq_registration_params(struct dc_interrupt_params *int_params, + void (*ih)(void *)) +{ + if (NULL == int_params || NULL == ih) { + DRM_ERROR("DM_IRQ: invalid input!\n"); + return false; + } + + if (int_params->int_context >= INTERRUPT_CONTEXT_NUMBER) { + DRM_ERROR("DM_IRQ: invalid context: %d!\n", + int_params->int_context); + return false; + } + + if (!DAL_VALID_IRQ_SRC_NUM(int_params->irq_source)) { + DRM_ERROR("DM_IRQ: invalid irq_source: %d!\n", + int_params->irq_source); + return false; + } + + return true; +} + +static bool validate_irq_unregistration_params(enum dc_irq_source irq_source, + irq_handler_idx handler_idx) +{ + if (DAL_INVALID_IRQ_HANDLER_IDX == handler_idx) { + DRM_ERROR("DM_IRQ: invalid handler_idx==NULL!\n"); + return false; + } + + if (!DAL_VALID_IRQ_SRC_NUM(irq_source)) { + DRM_ERROR("DM_IRQ: invalid irq_source:%d!\n", irq_source); + return false; + } + + return true; +} +/****************************************************************************** + * Public functions. + * + * Note: caller is responsible for input validation. + *****************************************************************************/ + +void *amdgpu_dm_irq_register_interrupt(struct amdgpu_device *adev, + struct dc_interrupt_params *int_params, + void (*ih)(void *), + void *handler_args) +{ + struct list_head *hnd_list; + struct amdgpu_dm_irq_handler_data *handler_data; + unsigned long irq_table_flags; + enum dc_irq_source irq_source; + + if (false == validate_irq_registration_params(int_params, ih)) + return DAL_INVALID_IRQ_HANDLER_IDX; + + handler_data = kzalloc(sizeof(*handler_data), GFP_KERNEL); + if (!handler_data) { + DRM_ERROR("DM_IRQ: failed to allocate irq handler!\n"); + return DAL_INVALID_IRQ_HANDLER_IDX; + } + + memset(handler_data, 0, sizeof(*handler_data)); + + init_handler_common_data(&handler_data->hcd, ih, handler_args, + &adev->dm); + + irq_source = int_params->irq_source; + + handler_data->irq_source = irq_source; + + /* Lock the list, add the handler. */ + DM_IRQ_TABLE_LOCK(adev, irq_table_flags); + + switch (int_params->int_context) { + case INTERRUPT_HIGH_IRQ_CONTEXT: + hnd_list = &adev->dm.irq_handler_list_high_tab[irq_source]; + break; + case INTERRUPT_LOW_IRQ_CONTEXT: + default: + hnd_list = &adev->dm.irq_handler_list_low_tab[irq_source].head; + break; + } + + list_add_tail(&handler_data->hcd.list, hnd_list); + + DM_IRQ_TABLE_UNLOCK(adev, irq_table_flags); + + /* This pointer will be stored by code which requested interrupt + * registration. + * The same pointer will be needed in order to unregister the + * interrupt. */ + + DRM_DEBUG_KMS( + "DM_IRQ: added irq handler: %p for: dal_src=%d, irq context=%d\n", + handler_data, + irq_source, + int_params->int_context); + + return handler_data; +} + +void amdgpu_dm_irq_unregister_interrupt(struct amdgpu_device *adev, + enum dc_irq_source irq_source, + void *ih) +{ + struct list_head *handler_list; + struct dc_interrupt_params int_params; + int i; + + if (false == validate_irq_unregistration_params(irq_source, ih)) + return; + + memset(&int_params, 0, sizeof(int_params)); + + int_params.irq_source = irq_source; + + for (i = 0; i < INTERRUPT_CONTEXT_NUMBER; i++) { + + int_params.int_context = i; + + handler_list = remove_irq_handler(adev, ih, &int_params); + + if (handler_list != NULL) + break; + } + + if (handler_list == NULL) { + /* If we got here, it means we searched all irq contexts + * for this irq source, but the handler was not found. */ + DRM_ERROR( + "DM_IRQ: failed to find irq handler:%p for irq_source:%d!\n", + ih, irq_source); + } +} + +int amdgpu_dm_irq_init(struct amdgpu_device *adev) +{ + int src; + struct irq_list_head *lh; + + DRM_DEBUG_KMS("DM_IRQ\n"); + + spin_lock_init(&adev->dm.irq_handler_list_table_lock); + + for (src = 0; src < DAL_IRQ_SOURCES_NUMBER; src++) { + /* low context handler list init */ + lh = &adev->dm.irq_handler_list_low_tab[src]; + INIT_LIST_HEAD(&lh->head); + INIT_WORK(&lh->work, dm_irq_work_func); + + /* high context handler init */ + INIT_LIST_HEAD(&adev->dm.irq_handler_list_high_tab[src]); + } + + INIT_LIST_HEAD(&adev->dm.timer_handler_list); + + /* allocate and initialize the workqueue for DM timer */ + adev->dm.timer_workqueue = create_singlethread_workqueue( + "dm_timer_queue"); + if (adev->dm.timer_workqueue == NULL) { + DRM_ERROR("DM_IRQ: unable to create timer queue!\n"); + return -1; + } + + return 0; +} + +/* DM IRQ and timer resource release */ +void amdgpu_dm_irq_fini(struct amdgpu_device *adev) +{ + int src; + struct irq_list_head *lh; + DRM_DEBUG_KMS("DM_IRQ: releasing resources.\n"); + + for (src = 0; src < DAL_IRQ_SOURCES_NUMBER; src++) { + + /* The handler was removed from the table, + * it means it is safe to flush all the 'work' + * (because no code can schedule a new one). */ + lh = &adev->dm.irq_handler_list_low_tab[src]; + flush_work(&lh->work); + } + + /* Cancel ALL timers and release handlers (if any). */ + remove_timer_handler(adev, NULL); + /* Release the queue itself. */ + destroy_workqueue(adev->dm.timer_workqueue); +} + +int amdgpu_dm_irq_suspend(struct amdgpu_device *adev) +{ + int src; + struct list_head *hnd_list_h; + struct list_head *hnd_list_l; + unsigned long irq_table_flags; + + DM_IRQ_TABLE_LOCK(adev, irq_table_flags); + + DRM_DEBUG_KMS("DM_IRQ: suspend\n"); + + /** + * Disable HW interrupt for HPD and HPDRX only since FLIP and VBLANK + * will be disabled from manage_dm_interrupts on disable CRTC. + */ + for (src = DC_IRQ_SOURCE_HPD1; src <= DC_IRQ_SOURCE_HPD6RX; src++) { + hnd_list_l = &adev->dm.irq_handler_list_low_tab[src].head; + hnd_list_h = &adev->dm.irq_handler_list_high_tab[src]; + if (!list_empty(hnd_list_l) || !list_empty(hnd_list_h)) + dc_interrupt_set(adev->dm.dc, src, false); + + DM_IRQ_TABLE_UNLOCK(adev, irq_table_flags); + flush_work(&adev->dm.irq_handler_list_low_tab[src].work); + + DM_IRQ_TABLE_LOCK(adev, irq_table_flags); + } + + DM_IRQ_TABLE_UNLOCK(adev, irq_table_flags); + return 0; +} + +int amdgpu_dm_irq_resume_early(struct amdgpu_device *adev) +{ + int src; + struct list_head *hnd_list_h, *hnd_list_l; + unsigned long irq_table_flags; + + DM_IRQ_TABLE_LOCK(adev, irq_table_flags); + + DRM_DEBUG_KMS("DM_IRQ: early resume\n"); + + /* re-enable short pulse interrupts HW interrupt */ + for (src = DC_IRQ_SOURCE_HPD1RX; src <= DC_IRQ_SOURCE_HPD6RX; src++) { + hnd_list_l = &adev->dm.irq_handler_list_low_tab[src].head; + hnd_list_h = &adev->dm.irq_handler_list_high_tab[src]; + if (!list_empty(hnd_list_l) || !list_empty(hnd_list_h)) + dc_interrupt_set(adev->dm.dc, src, true); + } + + DM_IRQ_TABLE_UNLOCK(adev, irq_table_flags); + + return 0; +} + +int amdgpu_dm_irq_resume_late(struct amdgpu_device *adev) +{ + int src; + struct list_head *hnd_list_h, *hnd_list_l; + unsigned long irq_table_flags; + + DM_IRQ_TABLE_LOCK(adev, irq_table_flags); + + DRM_DEBUG_KMS("DM_IRQ: resume\n"); + + /** + * Renable HW interrupt for HPD and only since FLIP and VBLANK + * will be enabled from manage_dm_interrupts on enable CRTC. + */ + for (src = DC_IRQ_SOURCE_HPD1; src <= DC_IRQ_SOURCE_HPD6; src++) { + hnd_list_l = &adev->dm.irq_handler_list_low_tab[src].head; + hnd_list_h = &adev->dm.irq_handler_list_high_tab[src]; + if (!list_empty(hnd_list_l) || !list_empty(hnd_list_h)) + dc_interrupt_set(adev->dm.dc, src, true); + } + + DM_IRQ_TABLE_UNLOCK(adev, irq_table_flags); + return 0; +} + +/** + * amdgpu_dm_irq_schedule_work - schedule all work items registered for the + * "irq_source". + */ +static void amdgpu_dm_irq_schedule_work(struct amdgpu_device *adev, + enum dc_irq_source irq_source) +{ + unsigned long irq_table_flags; + struct work_struct *work = NULL; + + DM_IRQ_TABLE_LOCK(adev, irq_table_flags); + + if (!list_empty(&adev->dm.irq_handler_list_low_tab[irq_source].head)) + work = &adev->dm.irq_handler_list_low_tab[irq_source].work; + + DM_IRQ_TABLE_UNLOCK(adev, irq_table_flags); + + if (work) { + if (!schedule_work(work)) + DRM_INFO("amdgpu_dm_irq_schedule_work FAILED src %d\n", + irq_source); + } + +} + +/** amdgpu_dm_irq_immediate_work + * Callback high irq work immediately, don't send to work queue + */ +static void amdgpu_dm_irq_immediate_work(struct amdgpu_device *adev, + enum dc_irq_source irq_source) +{ + struct amdgpu_dm_irq_handler_data *handler_data; + struct list_head *entry; + unsigned long irq_table_flags; + + DM_IRQ_TABLE_LOCK(adev, irq_table_flags); + + list_for_each( + entry, + &adev->dm.irq_handler_list_high_tab[irq_source]) { + + handler_data = + list_entry( + entry, + struct amdgpu_dm_irq_handler_data, + hcd.list); + + /* Call a subcomponent which registered for immediate + * interrupt notification */ + handler_data->hcd.handler(handler_data->hcd.handler_arg); + } + + DM_IRQ_TABLE_UNLOCK(adev, irq_table_flags); +} + +/* + * amdgpu_dm_irq_handler + * + * Generic IRQ handler, calls all registered high irq work immediately, and + * schedules work for low irq + */ +static int amdgpu_dm_irq_handler(struct amdgpu_device *adev, + struct amdgpu_irq_src *source, + struct amdgpu_iv_entry *entry) +{ + + enum dc_irq_source src = + dc_interrupt_to_irq_source( + adev->dm.dc, + entry->src_id, + entry->src_data[0]); + + dc_interrupt_ack(adev->dm.dc, src); + + /* Call high irq work immediately */ + amdgpu_dm_irq_immediate_work(adev, src); + /*Schedule low_irq work */ + amdgpu_dm_irq_schedule_work(adev, src); + + return 0; +} + +static enum dc_irq_source amdgpu_dm_hpd_to_dal_irq_source(unsigned type) +{ + switch (type) { + case AMDGPU_HPD_1: + return DC_IRQ_SOURCE_HPD1; + case AMDGPU_HPD_2: + return DC_IRQ_SOURCE_HPD2; + case AMDGPU_HPD_3: + return DC_IRQ_SOURCE_HPD3; + case AMDGPU_HPD_4: + return DC_IRQ_SOURCE_HPD4; + case AMDGPU_HPD_5: + return DC_IRQ_SOURCE_HPD5; + case AMDGPU_HPD_6: + return DC_IRQ_SOURCE_HPD6; + default: + return DC_IRQ_SOURCE_INVALID; + } +} + +static int amdgpu_dm_set_hpd_irq_state(struct amdgpu_device *adev, + struct amdgpu_irq_src *source, + unsigned type, + enum amdgpu_interrupt_state state) +{ + enum dc_irq_source src = amdgpu_dm_hpd_to_dal_irq_source(type); + bool st = (state == AMDGPU_IRQ_STATE_ENABLE); + + dc_interrupt_set(adev->dm.dc, src, st); + return 0; +} + +static inline int dm_irq_state(struct amdgpu_device *adev, + struct amdgpu_irq_src *source, + unsigned crtc_id, + enum amdgpu_interrupt_state state, + const enum irq_type dal_irq_type, + const char *func) +{ + bool st; + enum dc_irq_source irq_source; + + struct amdgpu_crtc *acrtc = adev->mode_info.crtcs[crtc_id]; + + if (!acrtc) { + DRM_ERROR( + "%s: crtc is NULL at id :%d\n", + func, + crtc_id); + return 0; + } + + irq_source = dal_irq_type + acrtc->otg_inst; + + st = (state == AMDGPU_IRQ_STATE_ENABLE); + + dc_interrupt_set(adev->dm.dc, irq_source, st); + return 0; +} + +static int amdgpu_dm_set_pflip_irq_state(struct amdgpu_device *adev, + struct amdgpu_irq_src *source, + unsigned crtc_id, + enum amdgpu_interrupt_state state) +{ + return dm_irq_state( + adev, + source, + crtc_id, + state, + IRQ_TYPE_PFLIP, + __func__); +} + +static int amdgpu_dm_set_crtc_irq_state(struct amdgpu_device *adev, + struct amdgpu_irq_src *source, + unsigned crtc_id, + enum amdgpu_interrupt_state state) +{ + return dm_irq_state( + adev, + source, + crtc_id, + state, + IRQ_TYPE_VBLANK, + __func__); +} + +static const struct amdgpu_irq_src_funcs dm_crtc_irq_funcs = { + .set = amdgpu_dm_set_crtc_irq_state, + .process = amdgpu_dm_irq_handler, +}; + +static const struct amdgpu_irq_src_funcs dm_pageflip_irq_funcs = { + .set = amdgpu_dm_set_pflip_irq_state, + .process = amdgpu_dm_irq_handler, +}; + +static const struct amdgpu_irq_src_funcs dm_hpd_irq_funcs = { + .set = amdgpu_dm_set_hpd_irq_state, + .process = amdgpu_dm_irq_handler, +}; + +void amdgpu_dm_set_irq_funcs(struct amdgpu_device *adev) +{ + adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_LAST; + adev->crtc_irq.funcs = &dm_crtc_irq_funcs; + + adev->pageflip_irq.num_types = AMDGPU_PAGEFLIP_IRQ_LAST; + adev->pageflip_irq.funcs = &dm_pageflip_irq_funcs; + + adev->hpd_irq.num_types = AMDGPU_HPD_LAST; + adev->hpd_irq.funcs = &dm_hpd_irq_funcs; +} + +/* + * amdgpu_dm_hpd_init - hpd setup callback. + * + * @adev: amdgpu_device pointer + * + * Setup the hpd pins used by the card (evergreen+). + * Enable the pin, set the polarity, and enable the hpd interrupts. + */ +void amdgpu_dm_hpd_init(struct amdgpu_device *adev) +{ + struct drm_device *dev = adev->ddev; + struct drm_connector *connector; + + list_for_each_entry(connector, &dev->mode_config.connector_list, head) { + struct amdgpu_dm_connector *amdgpu_dm_connector = + to_amdgpu_dm_connector(connector); + + const struct dc_link *dc_link = amdgpu_dm_connector->dc_link; + + if (DC_IRQ_SOURCE_INVALID != dc_link->irq_source_hpd) { + dc_interrupt_set(adev->dm.dc, + dc_link->irq_source_hpd, + true); + } + + if (DC_IRQ_SOURCE_INVALID != dc_link->irq_source_hpd_rx) { + dc_interrupt_set(adev->dm.dc, + dc_link->irq_source_hpd_rx, + true); + } + } +} + +/** + * amdgpu_dm_hpd_fini - hpd tear down callback. + * + * @adev: amdgpu_device pointer + * + * Tear down the hpd pins used by the card (evergreen+). + * Disable the hpd interrupts. + */ +void amdgpu_dm_hpd_fini(struct amdgpu_device *adev) +{ + struct drm_device *dev = adev->ddev; + struct drm_connector *connector; + + list_for_each_entry(connector, &dev->mode_config.connector_list, head) { + struct amdgpu_dm_connector *amdgpu_dm_connector = + to_amdgpu_dm_connector(connector); + const struct dc_link *dc_link = amdgpu_dm_connector->dc_link; + + dc_interrupt_set(adev->dm.dc, dc_link->irq_source_hpd, false); + + if (DC_IRQ_SOURCE_INVALID != dc_link->irq_source_hpd_rx) { + dc_interrupt_set(adev->dm.dc, + dc_link->irq_source_hpd_rx, + false); + } + } +} |