From: Karunika Choo Date: Mon, 27 Apr 2026 15:59:27 +0000 (+0100) Subject: drm/panthor: Pass an iomem pointer to GPU register access helpers X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a8f5738779a930b4f318104298ce84bc10d43fbc;p=thirdparty%2Fkernel%2Flinux.git drm/panthor: Pass an iomem pointer to GPU register access helpers Convert the Panthor register access helpers to take an iomem pointer instead of a panthor_device pointer. This makes the helpers usable with block-local registers instead of routing all accesses to go through ptdev->iomem. It is a preparatory change for splitting the register space by components and for moving callers away from cross-component register accesses. No functional change intended. v3: - Pick up R-bs from Liviu and Steve v2: - Pick up Ack from Boris. Reviewed-by: Steven Price Reviewed-by: Liviu Dudau Acked-by: Boris Brezillon Signed-off-by: Karunika Choo Tested-by: Boris Brezillon Signed-off-by: Liviu Dudau Link: https://patch.msgid.link/20260427155934.416502-2-karunika.choo@arm.com --- diff --git a/drivers/gpu/drm/panthor/panthor_device.c b/drivers/gpu/drm/panthor/panthor_device.c index bc62a498a8a84..d62017b734099 100644 --- a/drivers/gpu/drm/panthor/panthor_device.c +++ b/drivers/gpu/drm/panthor/panthor_device.c @@ -43,7 +43,7 @@ static int panthor_gpu_coherency_init(struct panthor_device *ptdev) /* Check if the ACE-Lite coherency protocol is actually supported by the GPU. * ACE protocol has never been supported for command stream frontend GPUs. */ - if ((gpu_read(ptdev, GPU_COHERENCY_FEATURES) & + if ((gpu_read(ptdev->iomem, GPU_COHERENCY_FEATURES) & GPU_COHERENCY_PROT_BIT(ACE_LITE))) { ptdev->gpu_info.selected_coherency = GPU_COHERENCY_ACE_LITE; return 0; diff --git a/drivers/gpu/drm/panthor/panthor_device.h b/drivers/gpu/drm/panthor/panthor_device.h index 5cba272f9b4de..285bf7e4439e9 100644 --- a/drivers/gpu/drm/panthor/panthor_device.h +++ b/drivers/gpu/drm/panthor/panthor_device.h @@ -505,7 +505,7 @@ static irqreturn_t panthor_ ## __name ## _irq_raw_handler(int irq, void *data) struct panthor_device *ptdev = pirq->ptdev; \ enum panthor_irq_state old_state; \ \ - if (!gpu_read(ptdev, __reg_prefix ## _INT_STAT)) \ + if (!gpu_read(ptdev->iomem, __reg_prefix ## _INT_STAT)) \ return IRQ_NONE; \ \ guard(spinlock_irqsave)(&pirq->mask_lock); \ @@ -515,7 +515,7 @@ static irqreturn_t panthor_ ## __name ## _irq_raw_handler(int irq, void *data) if (old_state != PANTHOR_IRQ_STATE_ACTIVE) \ return IRQ_NONE; \ \ - gpu_write(ptdev, __reg_prefix ## _INT_MASK, 0); \ + gpu_write(ptdev->iomem, __reg_prefix ## _INT_MASK, 0); \ return IRQ_WAKE_THREAD; \ } \ \ @@ -534,7 +534,7 @@ static irqreturn_t panthor_ ## __name ## _irq_threaded_handler(int irq, void *da * right before the HW event kicks in. TLDR; it's all expected races we're \ * covered for. \ */ \ - u32 status = gpu_read(ptdev, __reg_prefix ## _INT_RAWSTAT) & pirq->mask; \ + u32 status = gpu_read(ptdev->iomem, __reg_prefix ## _INT_RAWSTAT) & pirq->mask; \ \ if (!status) \ break; \ @@ -550,7 +550,7 @@ static irqreturn_t panthor_ ## __name ## _irq_threaded_handler(int irq, void *da PANTHOR_IRQ_STATE_PROCESSING, \ PANTHOR_IRQ_STATE_ACTIVE); \ if (old_state == PANTHOR_IRQ_STATE_PROCESSING) \ - gpu_write(ptdev, __reg_prefix ## _INT_MASK, pirq->mask); \ + gpu_write(ptdev->iomem, __reg_prefix ## _INT_MASK, pirq->mask); \ } \ \ return ret; \ @@ -560,7 +560,7 @@ static inline void panthor_ ## __name ## _irq_suspend(struct panthor_irq *pirq) { \ scoped_guard(spinlock_irqsave, &pirq->mask_lock) { \ atomic_set(&pirq->state, PANTHOR_IRQ_STATE_SUSPENDING); \ - gpu_write(pirq->ptdev, __reg_prefix ## _INT_MASK, 0); \ + gpu_write(pirq->ptdev->iomem, __reg_prefix ## _INT_MASK, 0); \ } \ synchronize_irq(pirq->irq); \ atomic_set(&pirq->state, PANTHOR_IRQ_STATE_SUSPENDED); \ @@ -571,8 +571,8 @@ static inline void panthor_ ## __name ## _irq_resume(struct panthor_irq *pirq) guard(spinlock_irqsave)(&pirq->mask_lock); \ \ atomic_set(&pirq->state, PANTHOR_IRQ_STATE_ACTIVE); \ - gpu_write(pirq->ptdev, __reg_prefix ## _INT_CLEAR, pirq->mask); \ - gpu_write(pirq->ptdev, __reg_prefix ## _INT_MASK, pirq->mask); \ + gpu_write(pirq->ptdev->iomem, __reg_prefix ## _INT_CLEAR, pirq->mask); \ + gpu_write(pirq->ptdev->iomem, __reg_prefix ## _INT_MASK, pirq->mask); \ } \ \ static int panthor_request_ ## __name ## _irq(struct panthor_device *ptdev, \ @@ -603,7 +603,7 @@ static inline void panthor_ ## __name ## _irq_enable_events(struct panthor_irq * * If the IRQ is suspended/suspending, the mask is restored at resume time. \ */ \ if (atomic_read(&pirq->state) == PANTHOR_IRQ_STATE_ACTIVE) \ - gpu_write(pirq->ptdev, __reg_prefix ## _INT_MASK, pirq->mask); \ + gpu_write(pirq->ptdev->iomem, __reg_prefix ## _INT_MASK, pirq->mask); \ } \ \ static inline void panthor_ ## __name ## _irq_disable_events(struct panthor_irq *pirq, u32 mask)\ @@ -617,80 +617,80 @@ static inline void panthor_ ## __name ## _irq_disable_events(struct panthor_irq * If the IRQ is suspended/suspending, the mask is restored at resume time. \ */ \ if (atomic_read(&pirq->state) == PANTHOR_IRQ_STATE_ACTIVE) \ - gpu_write(pirq->ptdev, __reg_prefix ## _INT_MASK, pirq->mask); \ + gpu_write(pirq->ptdev->iomem, __reg_prefix ## _INT_MASK, pirq->mask); \ } extern struct workqueue_struct *panthor_cleanup_wq; -static inline void gpu_write(struct panthor_device *ptdev, u32 reg, u32 data) +static inline void gpu_write(void __iomem *iomem, u32 reg, u32 data) { - writel(data, ptdev->iomem + reg); + writel(data, iomem + reg); } -static inline u32 gpu_read(struct panthor_device *ptdev, u32 reg) +static inline u32 gpu_read(void __iomem *iomem, u32 reg) { - return readl(ptdev->iomem + reg); + return readl(iomem + reg); } -static inline u32 gpu_read_relaxed(struct panthor_device *ptdev, u32 reg) +static inline u32 gpu_read_relaxed(void __iomem *iomem, u32 reg) { - return readl_relaxed(ptdev->iomem + reg); + return readl_relaxed(iomem + reg); } -static inline void gpu_write64(struct panthor_device *ptdev, u32 reg, u64 data) +static inline void gpu_write64(void __iomem *iomem, u32 reg, u64 data) { - gpu_write(ptdev, reg, lower_32_bits(data)); - gpu_write(ptdev, reg + 4, upper_32_bits(data)); + gpu_write(iomem, reg, lower_32_bits(data)); + gpu_write(iomem, reg + 4, upper_32_bits(data)); } -static inline u64 gpu_read64(struct panthor_device *ptdev, u32 reg) +static inline u64 gpu_read64(void __iomem *iomem, u32 reg) { - return (gpu_read(ptdev, reg) | ((u64)gpu_read(ptdev, reg + 4) << 32)); + return (gpu_read(iomem, reg) | ((u64)gpu_read(iomem, reg + 4) << 32)); } -static inline u64 gpu_read64_relaxed(struct panthor_device *ptdev, u32 reg) +static inline u64 gpu_read64_relaxed(void __iomem *iomem, u32 reg) { - return (gpu_read_relaxed(ptdev, reg) | - ((u64)gpu_read_relaxed(ptdev, reg + 4) << 32)); + return (gpu_read_relaxed(iomem, reg) | + ((u64)gpu_read_relaxed(iomem, reg + 4) << 32)); } -static inline u64 gpu_read64_counter(struct panthor_device *ptdev, u32 reg) +static inline u64 gpu_read64_counter(void __iomem *iomem, u32 reg) { u32 lo, hi1, hi2; do { - hi1 = gpu_read(ptdev, reg + 4); - lo = gpu_read(ptdev, reg); - hi2 = gpu_read(ptdev, reg + 4); + hi1 = gpu_read(iomem, reg + 4); + lo = gpu_read(iomem, reg); + hi2 = gpu_read(iomem, reg + 4); } while (hi1 != hi2); return lo | ((u64)hi2 << 32); } -#define gpu_read_poll_timeout(dev, reg, val, cond, delay_us, timeout_us) \ +#define gpu_read_poll_timeout(iomem, reg, val, cond, delay_us, timeout_us) \ read_poll_timeout(gpu_read, val, cond, delay_us, timeout_us, false, \ - dev, reg) + iomem, reg) -#define gpu_read_poll_timeout_atomic(dev, reg, val, cond, delay_us, \ +#define gpu_read_poll_timeout_atomic(iomem, reg, val, cond, delay_us, \ timeout_us) \ read_poll_timeout_atomic(gpu_read, val, cond, delay_us, timeout_us, \ - false, dev, reg) + false, iomem, reg) -#define gpu_read64_poll_timeout(dev, reg, val, cond, delay_us, timeout_us) \ +#define gpu_read64_poll_timeout(iomem, reg, val, cond, delay_us, timeout_us) \ read_poll_timeout(gpu_read64, val, cond, delay_us, timeout_us, false, \ - dev, reg) + iomem, reg) -#define gpu_read64_poll_timeout_atomic(dev, reg, val, cond, delay_us, \ +#define gpu_read64_poll_timeout_atomic(iomem, reg, val, cond, delay_us, \ timeout_us) \ read_poll_timeout_atomic(gpu_read64, val, cond, delay_us, timeout_us, \ - false, dev, reg) + false, iomem, reg) -#define gpu_read_relaxed_poll_timeout_atomic(dev, reg, val, cond, delay_us, \ +#define gpu_read_relaxed_poll_timeout_atomic(iomem, reg, val, cond, delay_us, \ timeout_us) \ read_poll_timeout_atomic(gpu_read_relaxed, val, cond, delay_us, \ - timeout_us, false, dev, reg) + timeout_us, false, iomem, reg) -#define gpu_read64_relaxed_poll_timeout(dev, reg, val, cond, delay_us, \ +#define gpu_read64_relaxed_poll_timeout(iomem, reg, val, cond, delay_us, \ timeout_us) \ read_poll_timeout(gpu_read64_relaxed, val, cond, delay_us, timeout_us, \ - false, dev, reg) + false, iomem, reg) #endif diff --git a/drivers/gpu/drm/panthor/panthor_drv.c b/drivers/gpu/drm/panthor/panthor_drv.c index 73fc983dc9b44..4f926c861fba7 100644 --- a/drivers/gpu/drm/panthor/panthor_drv.c +++ b/drivers/gpu/drm/panthor/panthor_drv.c @@ -839,7 +839,7 @@ static int panthor_query_timestamp_info(struct panthor_device *ptdev, } if (flags & DRM_PANTHOR_TIMESTAMP_GPU_OFFSET) - arg->timestamp_offset = gpu_read64(ptdev, GPU_TIMESTAMP_OFFSET); + arg->timestamp_offset = gpu_read64(ptdev->iomem, GPU_TIMESTAMP_OFFSET); else arg->timestamp_offset = 0; @@ -854,7 +854,7 @@ static int panthor_query_timestamp_info(struct panthor_device *ptdev, query_start_time = 0; if (flags & DRM_PANTHOR_TIMESTAMP_GPU) - arg->current_timestamp = gpu_read64_counter(ptdev, GPU_TIMESTAMP); + arg->current_timestamp = gpu_read64_counter(ptdev->iomem, GPU_TIMESTAMP); else arg->current_timestamp = 0; @@ -870,7 +870,7 @@ static int panthor_query_timestamp_info(struct panthor_device *ptdev, } if (flags & DRM_PANTHOR_TIMESTAMP_GPU_CYCLE_COUNT) - arg->cycle_count = gpu_read64_counter(ptdev, GPU_CYCLE_COUNT); + arg->cycle_count = gpu_read64_counter(ptdev->iomem, GPU_CYCLE_COUNT); else arg->cycle_count = 0; diff --git a/drivers/gpu/drm/panthor/panthor_fw.c b/drivers/gpu/drm/panthor/panthor_fw.c index be0da5b1f3abf..69a19751a3146 100644 --- a/drivers/gpu/drm/panthor/panthor_fw.c +++ b/drivers/gpu/drm/panthor/panthor_fw.c @@ -1054,7 +1054,7 @@ static void panthor_fw_init_global_iface(struct panthor_device *ptdev) GLB_CFG_POWEROFF_TIMER | GLB_CFG_PROGRESS_TIMER); - gpu_write(ptdev, CSF_DOORBELL(CSF_GLB_DOORBELL_ID), 1); + gpu_write(ptdev->iomem, CSF_DOORBELL(CSF_GLB_DOORBELL_ID), 1); /* Kick the watchdog. */ mod_delayed_work(ptdev->reset.wq, &ptdev->fw->watchdog.ping_work, @@ -1069,7 +1069,7 @@ static void panthor_job_irq_handler(struct panthor_device *ptdev, u32 status) if (tracepoint_enabled(gpu_job_irq)) start = ktime_get_ns(); - gpu_write(ptdev, JOB_INT_CLEAR, status); + gpu_write(ptdev->iomem, JOB_INT_CLEAR, status); if (!ptdev->fw->booted && (status & JOB_INT_GLOBAL_IF)) ptdev->fw->booted = true; @@ -1097,13 +1097,13 @@ static int panthor_fw_start(struct panthor_device *ptdev) ptdev->fw->booted = false; panthor_job_irq_enable_events(&ptdev->fw->irq, ~0); panthor_job_irq_resume(&ptdev->fw->irq); - gpu_write(ptdev, MCU_CONTROL, MCU_CONTROL_AUTO); + gpu_write(ptdev->iomem, MCU_CONTROL, MCU_CONTROL_AUTO); if (!wait_event_timeout(ptdev->fw->req_waitqueue, ptdev->fw->booted, msecs_to_jiffies(1000))) { if (!ptdev->fw->booted && - !(gpu_read(ptdev, JOB_INT_STAT) & JOB_INT_GLOBAL_IF)) + !(gpu_read(ptdev->iomem, JOB_INT_STAT) & JOB_INT_GLOBAL_IF)) timedout = true; } @@ -1114,7 +1114,7 @@ static int panthor_fw_start(struct panthor_device *ptdev) [MCU_STATUS_HALT] = "halt", [MCU_STATUS_FATAL] = "fatal", }; - u32 status = gpu_read(ptdev, MCU_STATUS); + u32 status = gpu_read(ptdev->iomem, MCU_STATUS); drm_err(&ptdev->base, "Failed to boot MCU (status=%s)", status < ARRAY_SIZE(status_str) ? status_str[status] : "unknown"); @@ -1128,8 +1128,8 @@ static void panthor_fw_stop(struct panthor_device *ptdev) { u32 status; - gpu_write(ptdev, MCU_CONTROL, MCU_CONTROL_DISABLE); - if (gpu_read_poll_timeout(ptdev, MCU_STATUS, status, + gpu_write(ptdev->iomem, MCU_CONTROL, MCU_CONTROL_DISABLE); + if (gpu_read_poll_timeout(ptdev->iomem, MCU_STATUS, status, status == MCU_STATUS_DISABLED, 10, 100000)) drm_err(&ptdev->base, "Failed to stop MCU"); } @@ -1139,7 +1139,7 @@ static bool panthor_fw_mcu_halted(struct panthor_device *ptdev) struct panthor_fw_global_iface *glb_iface = panthor_fw_get_glb_iface(ptdev); bool halted; - halted = gpu_read(ptdev, MCU_STATUS) == MCU_STATUS_HALT; + halted = gpu_read(ptdev->iomem, MCU_STATUS) == MCU_STATUS_HALT; if (panthor_fw_has_glb_state(ptdev)) halted &= (GLB_STATE_GET(glb_iface->output->ack) == GLB_STATE_HALT); @@ -1156,7 +1156,7 @@ static void panthor_fw_halt_mcu(struct panthor_device *ptdev) else panthor_fw_update_reqs(glb_iface, req, GLB_HALT, GLB_HALT); - gpu_write(ptdev, CSF_DOORBELL(CSF_GLB_DOORBELL_ID), 1); + gpu_write(ptdev->iomem, CSF_DOORBELL(CSF_GLB_DOORBELL_ID), 1); } static bool panthor_fw_wait_mcu_halted(struct panthor_device *ptdev) @@ -1414,7 +1414,7 @@ void panthor_fw_ring_csg_doorbells(struct panthor_device *ptdev, u32 csg_mask) struct panthor_fw_global_iface *glb_iface = panthor_fw_get_glb_iface(ptdev); panthor_fw_toggle_reqs(glb_iface, doorbell_req, doorbell_ack, csg_mask); - gpu_write(ptdev, CSF_DOORBELL(CSF_GLB_DOORBELL_ID), 1); + gpu_write(ptdev->iomem, CSF_DOORBELL(CSF_GLB_DOORBELL_ID), 1); } static void panthor_fw_ping_work(struct work_struct *work) @@ -1429,7 +1429,7 @@ static void panthor_fw_ping_work(struct work_struct *work) return; panthor_fw_toggle_reqs(glb_iface, req, ack, GLB_PING); - gpu_write(ptdev, CSF_DOORBELL(CSF_GLB_DOORBELL_ID), 1); + gpu_write(ptdev->iomem, CSF_DOORBELL(CSF_GLB_DOORBELL_ID), 1); ret = panthor_fw_glb_wait_acks(ptdev, GLB_PING, &acked, 100); if (ret) { diff --git a/drivers/gpu/drm/panthor/panthor_gpu.c b/drivers/gpu/drm/panthor/panthor_gpu.c index 2ab444ee8c710..bdb72cebccb3f 100644 --- a/drivers/gpu/drm/panthor/panthor_gpu.c +++ b/drivers/gpu/drm/panthor/panthor_gpu.c @@ -56,7 +56,7 @@ struct panthor_gpu { static void panthor_gpu_coherency_set(struct panthor_device *ptdev) { - gpu_write(ptdev, GPU_COHERENCY_PROTOCOL, + gpu_write(ptdev->iomem, GPU_COHERENCY_PROTOCOL, ptdev->gpu_info.selected_coherency); } @@ -75,26 +75,26 @@ static void panthor_gpu_l2_config_set(struct panthor_device *ptdev) } for (i = 0; i < ARRAY_SIZE(data->asn_hash); i++) - gpu_write(ptdev, GPU_ASN_HASH(i), data->asn_hash[i]); + gpu_write(ptdev->iomem, GPU_ASN_HASH(i), data->asn_hash[i]); - l2_config = gpu_read(ptdev, GPU_L2_CONFIG); + l2_config = gpu_read(ptdev->iomem, GPU_L2_CONFIG); l2_config |= GPU_L2_CONFIG_ASN_HASH_ENABLE; - gpu_write(ptdev, GPU_L2_CONFIG, l2_config); + gpu_write(ptdev->iomem, GPU_L2_CONFIG, l2_config); } static void panthor_gpu_irq_handler(struct panthor_device *ptdev, u32 status) { - gpu_write(ptdev, GPU_INT_CLEAR, status); + gpu_write(ptdev->iomem, GPU_INT_CLEAR, status); if (tracepoint_enabled(gpu_power_status) && (status & GPU_POWER_INTERRUPTS_MASK)) trace_gpu_power_status(ptdev->base.dev, - gpu_read64(ptdev, SHADER_READY), - gpu_read64(ptdev, TILER_READY), - gpu_read64(ptdev, L2_READY)); + gpu_read64(ptdev->iomem, SHADER_READY), + gpu_read64(ptdev->iomem, TILER_READY), + gpu_read64(ptdev->iomem, L2_READY)); if (status & GPU_IRQ_FAULT) { - u32 fault_status = gpu_read(ptdev, GPU_FAULT_STATUS); - u64 address = gpu_read64(ptdev, GPU_FAULT_ADDR); + u32 fault_status = gpu_read(ptdev->iomem, GPU_FAULT_STATUS); + u64 address = gpu_read64(ptdev->iomem, GPU_FAULT_ADDR); drm_warn(&ptdev->base, "GPU Fault 0x%08x (%s) at 0x%016llx\n", fault_status, panthor_exception_name(ptdev, fault_status & 0xFF), @@ -204,7 +204,7 @@ int panthor_gpu_block_power_off(struct panthor_device *ptdev, u32 val; int ret; - ret = gpu_read64_relaxed_poll_timeout(ptdev, pwrtrans_reg, val, + ret = gpu_read64_relaxed_poll_timeout(ptdev->iomem, pwrtrans_reg, val, !(mask & val), 100, timeout_us); if (ret) { drm_err(&ptdev->base, @@ -213,9 +213,9 @@ int panthor_gpu_block_power_off(struct panthor_device *ptdev, return ret; } - gpu_write64(ptdev, pwroff_reg, mask); + gpu_write64(ptdev->iomem, pwroff_reg, mask); - ret = gpu_read64_relaxed_poll_timeout(ptdev, pwrtrans_reg, val, + ret = gpu_read64_relaxed_poll_timeout(ptdev->iomem, pwrtrans_reg, val, !(mask & val), 100, timeout_us); if (ret) { drm_err(&ptdev->base, @@ -247,7 +247,7 @@ int panthor_gpu_block_power_on(struct panthor_device *ptdev, u32 val; int ret; - ret = gpu_read64_relaxed_poll_timeout(ptdev, pwrtrans_reg, val, + ret = gpu_read64_relaxed_poll_timeout(ptdev->iomem, pwrtrans_reg, val, !(mask & val), 100, timeout_us); if (ret) { drm_err(&ptdev->base, @@ -256,9 +256,9 @@ int panthor_gpu_block_power_on(struct panthor_device *ptdev, return ret; } - gpu_write64(ptdev, pwron_reg, mask); + gpu_write64(ptdev->iomem, pwron_reg, mask); - ret = gpu_read64_relaxed_poll_timeout(ptdev, rdy_reg, val, + ret = gpu_read64_relaxed_poll_timeout(ptdev->iomem, rdy_reg, val, (mask & val) == val, 100, timeout_us); if (ret) { @@ -326,7 +326,7 @@ int panthor_gpu_flush_caches(struct panthor_device *ptdev, spin_lock_irqsave(&ptdev->gpu->reqs_lock, flags); if (!(ptdev->gpu->pending_reqs & GPU_IRQ_CLEAN_CACHES_COMPLETED)) { ptdev->gpu->pending_reqs |= GPU_IRQ_CLEAN_CACHES_COMPLETED; - gpu_write(ptdev, GPU_CMD, GPU_FLUSH_CACHES(l2, lsc, other)); + gpu_write(ptdev->iomem, GPU_CMD, GPU_FLUSH_CACHES(l2, lsc, other)); } else { ret = -EIO; } @@ -340,7 +340,7 @@ int panthor_gpu_flush_caches(struct panthor_device *ptdev, msecs_to_jiffies(100))) { spin_lock_irqsave(&ptdev->gpu->reqs_lock, flags); if ((ptdev->gpu->pending_reqs & GPU_IRQ_CLEAN_CACHES_COMPLETED) != 0 && - !(gpu_read(ptdev, GPU_INT_RAWSTAT) & GPU_IRQ_CLEAN_CACHES_COMPLETED)) + !(gpu_read(ptdev->iomem, GPU_INT_RAWSTAT) & GPU_IRQ_CLEAN_CACHES_COMPLETED)) ret = -ETIMEDOUT; else ptdev->gpu->pending_reqs &= ~GPU_IRQ_CLEAN_CACHES_COMPLETED; @@ -370,8 +370,8 @@ int panthor_gpu_soft_reset(struct panthor_device *ptdev) if (!drm_WARN_ON(&ptdev->base, ptdev->gpu->pending_reqs & GPU_IRQ_RESET_COMPLETED)) { ptdev->gpu->pending_reqs |= GPU_IRQ_RESET_COMPLETED; - gpu_write(ptdev, GPU_INT_CLEAR, GPU_IRQ_RESET_COMPLETED); - gpu_write(ptdev, GPU_CMD, GPU_SOFT_RESET); + gpu_write(ptdev->iomem, GPU_INT_CLEAR, GPU_IRQ_RESET_COMPLETED); + gpu_write(ptdev->iomem, GPU_CMD, GPU_SOFT_RESET); } spin_unlock_irqrestore(&ptdev->gpu->reqs_lock, flags); @@ -380,7 +380,7 @@ int panthor_gpu_soft_reset(struct panthor_device *ptdev) msecs_to_jiffies(100))) { spin_lock_irqsave(&ptdev->gpu->reqs_lock, flags); if ((ptdev->gpu->pending_reqs & GPU_IRQ_RESET_COMPLETED) != 0 && - !(gpu_read(ptdev, GPU_INT_RAWSTAT) & GPU_IRQ_RESET_COMPLETED)) + !(gpu_read(ptdev->iomem, GPU_INT_RAWSTAT) & GPU_IRQ_RESET_COMPLETED)) timedout = true; else ptdev->gpu->pending_reqs &= ~GPU_IRQ_RESET_COMPLETED; diff --git a/drivers/gpu/drm/panthor/panthor_hw.c b/drivers/gpu/drm/panthor/panthor_hw.c index d135aa6724fa5..9309d09382124 100644 --- a/drivers/gpu/drm/panthor/panthor_hw.c +++ b/drivers/gpu/drm/panthor/panthor_hw.c @@ -194,35 +194,38 @@ static int panthor_gpu_info_init(struct panthor_device *ptdev) { unsigned int i; - ptdev->gpu_info.csf_id = gpu_read(ptdev, GPU_CSF_ID); - ptdev->gpu_info.gpu_rev = gpu_read(ptdev, GPU_REVID); - ptdev->gpu_info.core_features = gpu_read(ptdev, GPU_CORE_FEATURES); - ptdev->gpu_info.l2_features = gpu_read(ptdev, GPU_L2_FEATURES); - ptdev->gpu_info.tiler_features = gpu_read(ptdev, GPU_TILER_FEATURES); - ptdev->gpu_info.mem_features = gpu_read(ptdev, GPU_MEM_FEATURES); - ptdev->gpu_info.mmu_features = gpu_read(ptdev, GPU_MMU_FEATURES); - ptdev->gpu_info.thread_features = gpu_read(ptdev, GPU_THREAD_FEATURES); - ptdev->gpu_info.max_threads = gpu_read(ptdev, GPU_THREAD_MAX_THREADS); - ptdev->gpu_info.thread_max_workgroup_size = gpu_read(ptdev, GPU_THREAD_MAX_WORKGROUP_SIZE); - ptdev->gpu_info.thread_max_barrier_size = gpu_read(ptdev, GPU_THREAD_MAX_BARRIER_SIZE); - ptdev->gpu_info.coherency_features = gpu_read(ptdev, GPU_COHERENCY_FEATURES); + ptdev->gpu_info.csf_id = gpu_read(ptdev->iomem, GPU_CSF_ID); + ptdev->gpu_info.gpu_rev = gpu_read(ptdev->iomem, GPU_REVID); + ptdev->gpu_info.core_features = gpu_read(ptdev->iomem, GPU_CORE_FEATURES); + ptdev->gpu_info.l2_features = gpu_read(ptdev->iomem, GPU_L2_FEATURES); + ptdev->gpu_info.tiler_features = gpu_read(ptdev->iomem, GPU_TILER_FEATURES); + ptdev->gpu_info.mem_features = gpu_read(ptdev->iomem, GPU_MEM_FEATURES); + ptdev->gpu_info.mmu_features = gpu_read(ptdev->iomem, GPU_MMU_FEATURES); + ptdev->gpu_info.thread_features = gpu_read(ptdev->iomem, GPU_THREAD_FEATURES); + ptdev->gpu_info.max_threads = gpu_read(ptdev->iomem, GPU_THREAD_MAX_THREADS); + ptdev->gpu_info.thread_max_workgroup_size = + gpu_read(ptdev->iomem, GPU_THREAD_MAX_WORKGROUP_SIZE); + ptdev->gpu_info.thread_max_barrier_size = + gpu_read(ptdev->iomem, GPU_THREAD_MAX_BARRIER_SIZE); + ptdev->gpu_info.coherency_features = gpu_read(ptdev->iomem, GPU_COHERENCY_FEATURES); for (i = 0; i < 4; i++) - ptdev->gpu_info.texture_features[i] = gpu_read(ptdev, GPU_TEXTURE_FEATURES(i)); + ptdev->gpu_info.texture_features[i] = + gpu_read(ptdev->iomem, GPU_TEXTURE_FEATURES(i)); - ptdev->gpu_info.as_present = gpu_read(ptdev, GPU_AS_PRESENT); + ptdev->gpu_info.as_present = gpu_read(ptdev->iomem, GPU_AS_PRESENT); /* Introduced in arch 11.x */ - ptdev->gpu_info.gpu_features = gpu_read64(ptdev, GPU_FEATURES); + ptdev->gpu_info.gpu_features = gpu_read64(ptdev->iomem, GPU_FEATURES); if (panthor_hw_has_pwr_ctrl(ptdev)) { /* Introduced in arch 14.x */ - ptdev->gpu_info.l2_present = gpu_read64(ptdev, PWR_L2_PRESENT); - ptdev->gpu_info.tiler_present = gpu_read64(ptdev, PWR_TILER_PRESENT); - ptdev->gpu_info.shader_present = gpu_read64(ptdev, PWR_SHADER_PRESENT); + ptdev->gpu_info.l2_present = gpu_read64(ptdev->iomem, PWR_L2_PRESENT); + ptdev->gpu_info.tiler_present = gpu_read64(ptdev->iomem, PWR_TILER_PRESENT); + ptdev->gpu_info.shader_present = gpu_read64(ptdev->iomem, PWR_SHADER_PRESENT); } else { - ptdev->gpu_info.shader_present = gpu_read64(ptdev, GPU_SHADER_PRESENT); - ptdev->gpu_info.tiler_present = gpu_read64(ptdev, GPU_TILER_PRESENT); - ptdev->gpu_info.l2_present = gpu_read64(ptdev, GPU_L2_PRESENT); + ptdev->gpu_info.shader_present = gpu_read64(ptdev->iomem, GPU_SHADER_PRESENT); + ptdev->gpu_info.tiler_present = gpu_read64(ptdev->iomem, GPU_TILER_PRESENT); + ptdev->gpu_info.l2_present = gpu_read64(ptdev->iomem, GPU_L2_PRESENT); } return overload_shader_present(ptdev); @@ -287,7 +290,7 @@ static int panthor_hw_bind_device(struct panthor_device *ptdev) static int panthor_hw_gpu_id_init(struct panthor_device *ptdev) { - ptdev->gpu_info.gpu_id = gpu_read(ptdev, GPU_ID); + ptdev->gpu_info.gpu_id = gpu_read(ptdev->iomem, GPU_ID); if (!ptdev->gpu_info.gpu_id) return -ENXIO; diff --git a/drivers/gpu/drm/panthor/panthor_mmu.c b/drivers/gpu/drm/panthor/panthor_mmu.c index fc930ee158a52..6a8ac2239b9ca 100644 --- a/drivers/gpu/drm/panthor/panthor_mmu.c +++ b/drivers/gpu/drm/panthor/panthor_mmu.c @@ -522,9 +522,8 @@ static int wait_ready(struct panthor_device *ptdev, u32 as_nr) /* Wait for the MMU status to indicate there is no active command, in * case one is pending. */ - ret = gpu_read_relaxed_poll_timeout_atomic(ptdev, AS_STATUS(as_nr), val, - !(val & AS_STATUS_AS_ACTIVE), - 10, 100000); + ret = gpu_read_relaxed_poll_timeout_atomic(ptdev->iomem, AS_STATUS(as_nr), val, + !(val & AS_STATUS_AS_ACTIVE), 10, 100000); if (ret) { panthor_device_schedule_reset(ptdev); @@ -541,7 +540,7 @@ static int as_send_cmd_and_wait(struct panthor_device *ptdev, u32 as_nr, u32 cmd /* write AS_COMMAND when MMU is ready to accept another command */ status = wait_ready(ptdev, as_nr); if (!status) { - gpu_write(ptdev, AS_COMMAND(as_nr), cmd); + gpu_write(ptdev->iomem, AS_COMMAND(as_nr), cmd); status = wait_ready(ptdev, as_nr); } @@ -592,9 +591,9 @@ static int panthor_mmu_as_enable(struct panthor_device *ptdev, u32 as_nr, panthor_mmu_irq_enable_events(&ptdev->mmu->irq, panthor_mmu_as_fault_mask(ptdev, as_nr)); - gpu_write64(ptdev, AS_TRANSTAB(as_nr), transtab); - gpu_write64(ptdev, AS_MEMATTR(as_nr), memattr); - gpu_write64(ptdev, AS_TRANSCFG(as_nr), transcfg); + gpu_write64(ptdev->iomem, AS_TRANSTAB(as_nr), transtab); + gpu_write64(ptdev->iomem, AS_MEMATTR(as_nr), memattr); + gpu_write64(ptdev->iomem, AS_TRANSCFG(as_nr), transcfg); return as_send_cmd_and_wait(ptdev, as_nr, AS_COMMAND_UPDATE); } @@ -629,9 +628,9 @@ static int panthor_mmu_as_disable(struct panthor_device *ptdev, u32 as_nr, if (recycle_slot) return 0; - gpu_write64(ptdev, AS_TRANSTAB(as_nr), 0); - gpu_write64(ptdev, AS_MEMATTR(as_nr), 0); - gpu_write64(ptdev, AS_TRANSCFG(as_nr), AS_TRANSCFG_ADRMODE_UNMAPPED); + gpu_write64(ptdev->iomem, AS_TRANSTAB(as_nr), 0); + gpu_write64(ptdev->iomem, AS_MEMATTR(as_nr), 0); + gpu_write64(ptdev->iomem, AS_TRANSCFG(as_nr), AS_TRANSCFG_ADRMODE_UNMAPPED); return as_send_cmd_and_wait(ptdev, as_nr, AS_COMMAND_UPDATE); } @@ -784,7 +783,7 @@ out_enable_as: */ fault_mask = panthor_mmu_as_fault_mask(ptdev, as); if (ptdev->mmu->as.faulty_mask & fault_mask) { - gpu_write(ptdev, MMU_INT_CLEAR, fault_mask); + gpu_write(ptdev->iomem, MMU_INT_CLEAR, fault_mask); ptdev->mmu->as.faulty_mask &= ~fault_mask; } @@ -1731,7 +1730,7 @@ static int panthor_vm_lock_region(struct panthor_vm *vm, u64 start, u64 size) mutex_lock(&ptdev->mmu->as.slots_lock); if (vm->as.id >= 0 && size) { /* Lock the region that needs to be updated */ - gpu_write64(ptdev, AS_LOCKADDR(vm->as.id), + gpu_write64(ptdev->iomem, AS_LOCKADDR(vm->as.id), pack_region_range(ptdev, &start, &size)); /* If the lock succeeded, update the locked_region info. */ @@ -1792,8 +1791,8 @@ static void panthor_mmu_irq_handler(struct panthor_device *ptdev, u32 status) u32 access_type; u32 source_id; - fault_status = gpu_read(ptdev, AS_FAULTSTATUS(as)); - addr = gpu_read64(ptdev, AS_FAULTADDRESS(as)); + fault_status = gpu_read(ptdev->iomem, AS_FAULTSTATUS(as)); + addr = gpu_read64(ptdev->iomem, AS_FAULTADDRESS(as)); /* decode the fault status */ exception_type = fault_status & 0xFF; @@ -1824,7 +1823,7 @@ static void panthor_mmu_irq_handler(struct panthor_device *ptdev, u32 status) * Note that COMPLETED irqs are never cleared, but this is fine * because they are always masked. */ - gpu_write(ptdev, MMU_INT_CLEAR, mask); + gpu_write(ptdev->iomem, MMU_INT_CLEAR, mask); if (ptdev->mmu->as.slots[as].vm) ptdev->mmu->as.slots[as].vm->unhandled_fault = true; diff --git a/drivers/gpu/drm/panthor/panthor_pwr.c b/drivers/gpu/drm/panthor/panthor_pwr.c index ed3b2b4479ca3..b77c85ad733af 100644 --- a/drivers/gpu/drm/panthor/panthor_pwr.c +++ b/drivers/gpu/drm/panthor/panthor_pwr.c @@ -55,7 +55,7 @@ struct panthor_pwr { static void panthor_pwr_irq_handler(struct panthor_device *ptdev, u32 status) { spin_lock(&ptdev->pwr->reqs_lock); - gpu_write(ptdev, PWR_INT_CLEAR, status); + gpu_write(ptdev->iomem, PWR_INT_CLEAR, status); if (unlikely(status & PWR_IRQ_COMMAND_NOT_ALLOWED)) drm_err(&ptdev->base, "PWR_IRQ: COMMAND_NOT_ALLOWED"); @@ -74,14 +74,14 @@ PANTHOR_IRQ_HANDLER(pwr, PWR, panthor_pwr_irq_handler); static void panthor_pwr_write_command(struct panthor_device *ptdev, u32 command, u64 args) { if (args) - gpu_write64(ptdev, PWR_CMDARG, args); + gpu_write64(ptdev->iomem, PWR_CMDARG, args); - gpu_write(ptdev, PWR_COMMAND, command); + gpu_write(ptdev->iomem, PWR_COMMAND, command); } static bool reset_irq_raised(struct panthor_device *ptdev) { - return gpu_read(ptdev, PWR_INT_RAWSTAT) & PWR_IRQ_RESET_COMPLETED; + return gpu_read(ptdev->iomem, PWR_INT_RAWSTAT) & PWR_IRQ_RESET_COMPLETED; } static bool reset_pending(struct panthor_device *ptdev) @@ -96,7 +96,7 @@ static int panthor_pwr_reset(struct panthor_device *ptdev, u32 reset_cmd) drm_WARN(&ptdev->base, 1, "Reset already pending"); } else { ptdev->pwr->pending_reqs |= PWR_IRQ_RESET_COMPLETED; - gpu_write(ptdev, PWR_INT_CLEAR, PWR_IRQ_RESET_COMPLETED); + gpu_write(ptdev->iomem, PWR_INT_CLEAR, PWR_IRQ_RESET_COMPLETED); panthor_pwr_write_command(ptdev, reset_cmd, 0); } } @@ -185,7 +185,7 @@ static int panthor_pwr_domain_wait_transition(struct panthor_device *ptdev, u32 u64 val; int ret = 0; - ret = gpu_read64_poll_timeout(ptdev, pwrtrans_reg, val, !(PWR_ALL_CORES_MASK & val), 100, + ret = gpu_read64_poll_timeout(ptdev->iomem, pwrtrans_reg, val, !(PWR_ALL_CORES_MASK & val), 100, timeout_us); if (ret) { drm_err(&ptdev->base, "%s domain power in transition, pwrtrans(0x%llx)", @@ -198,17 +198,17 @@ static int panthor_pwr_domain_wait_transition(struct panthor_device *ptdev, u32 static void panthor_pwr_debug_info_show(struct panthor_device *ptdev) { - drm_info(&ptdev->base, "GPU_FEATURES: 0x%016llx", gpu_read64(ptdev, GPU_FEATURES)); - drm_info(&ptdev->base, "PWR_STATUS: 0x%016llx", gpu_read64(ptdev, PWR_STATUS)); - drm_info(&ptdev->base, "L2_PRESENT: 0x%016llx", gpu_read64(ptdev, PWR_L2_PRESENT)); - drm_info(&ptdev->base, "L2_PWRTRANS: 0x%016llx", gpu_read64(ptdev, PWR_L2_PWRTRANS)); - drm_info(&ptdev->base, "L2_READY: 0x%016llx", gpu_read64(ptdev, PWR_L2_READY)); - drm_info(&ptdev->base, "TILER_PRESENT: 0x%016llx", gpu_read64(ptdev, PWR_TILER_PRESENT)); - drm_info(&ptdev->base, "TILER_PWRTRANS: 0x%016llx", gpu_read64(ptdev, PWR_TILER_PWRTRANS)); - drm_info(&ptdev->base, "TILER_READY: 0x%016llx", gpu_read64(ptdev, PWR_TILER_READY)); - drm_info(&ptdev->base, "SHADER_PRESENT: 0x%016llx", gpu_read64(ptdev, PWR_SHADER_PRESENT)); - drm_info(&ptdev->base, "SHADER_PWRTRANS: 0x%016llx", gpu_read64(ptdev, PWR_SHADER_PWRTRANS)); - drm_info(&ptdev->base, "SHADER_READY: 0x%016llx", gpu_read64(ptdev, PWR_SHADER_READY)); + drm_info(&ptdev->base, "GPU_FEATURES: 0x%016llx", gpu_read64(ptdev->iomem, GPU_FEATURES)); + drm_info(&ptdev->base, "PWR_STATUS: 0x%016llx", gpu_read64(ptdev->iomem, PWR_STATUS)); + drm_info(&ptdev->base, "L2_PRESENT: 0x%016llx", gpu_read64(ptdev->iomem, PWR_L2_PRESENT)); + drm_info(&ptdev->base, "L2_PWRTRANS: 0x%016llx", gpu_read64(ptdev->iomem, PWR_L2_PWRTRANS)); + drm_info(&ptdev->base, "L2_READY: 0x%016llx", gpu_read64(ptdev->iomem, PWR_L2_READY)); + drm_info(&ptdev->base, "TILER_PRESENT: 0x%016llx", gpu_read64(ptdev->iomem, PWR_TILER_PRESENT)); + drm_info(&ptdev->base, "TILER_PWRTRANS: 0x%016llx", gpu_read64(ptdev->iomem, PWR_TILER_PWRTRANS)); + drm_info(&ptdev->base, "TILER_READY: 0x%016llx", gpu_read64(ptdev->iomem, PWR_TILER_READY)); + drm_info(&ptdev->base, "SHADER_PRESENT: 0x%016llx", gpu_read64(ptdev->iomem, PWR_SHADER_PRESENT)); + drm_info(&ptdev->base, "SHADER_PWRTRANS: 0x%016llx", gpu_read64(ptdev->iomem, PWR_SHADER_PWRTRANS)); + drm_info(&ptdev->base, "SHADER_READY: 0x%016llx", gpu_read64(ptdev->iomem, PWR_SHADER_READY)); } static int panthor_pwr_domain_transition(struct panthor_device *ptdev, u32 cmd, u32 domain, @@ -240,13 +240,13 @@ static int panthor_pwr_domain_transition(struct panthor_device *ptdev, u32 cmd, return ret; /* domain already in target state, return early */ - if ((gpu_read64(ptdev, ready_reg) & mask) == expected_val) + if ((gpu_read64(ptdev->iomem, ready_reg) & mask) == expected_val) return 0; panthor_pwr_write_command(ptdev, pwr_cmd, mask); - ret = gpu_read64_poll_timeout(ptdev, ready_reg, val, (mask & val) == expected_val, 100, - timeout_us); + ret = gpu_read64_poll_timeout(ptdev->iomem, ready_reg, val, (mask & val) == expected_val, + 100, timeout_us); if (ret) { drm_err(&ptdev->base, "timeout waiting on %s power domain transition, cmd(0x%x), arg(0x%llx)", @@ -279,7 +279,7 @@ static int panthor_pwr_domain_transition(struct panthor_device *ptdev, u32 cmd, static int retract_domain(struct panthor_device *ptdev, u32 domain) { const u32 pwr_cmd = PWR_COMMAND_DEF(PWR_COMMAND_RETRACT, domain, 0); - const u64 pwr_status = gpu_read64(ptdev, PWR_STATUS); + const u64 pwr_status = gpu_read64(ptdev->iomem, PWR_STATUS); const u64 delegated_mask = PWR_STATUS_DOMAIN_DELEGATED(domain); const u64 allow_mask = PWR_STATUS_DOMAIN_ALLOWED(domain); u64 val; @@ -288,8 +288,9 @@ static int retract_domain(struct panthor_device *ptdev, u32 domain) if (drm_WARN_ON(&ptdev->base, domain == PWR_COMMAND_DOMAIN_L2)) return -EPERM; - ret = gpu_read64_poll_timeout(ptdev, PWR_STATUS, val, !(PWR_STATUS_RETRACT_PENDING & val), - 0, PWR_RETRACT_TIMEOUT_US); + ret = gpu_read64_poll_timeout(ptdev->iomem, PWR_STATUS, val, + !(PWR_STATUS_RETRACT_PENDING & val), 0, + PWR_RETRACT_TIMEOUT_US); if (ret) { drm_err(&ptdev->base, "%s domain retract pending", get_domain_name(domain)); return ret; @@ -306,7 +307,7 @@ static int retract_domain(struct panthor_device *ptdev, u32 domain) * On successful retraction * allow-flag will be set with delegated-flag being cleared. */ - ret = gpu_read64_poll_timeout(ptdev, PWR_STATUS, val, + ret = gpu_read64_poll_timeout(ptdev->iomem, PWR_STATUS, val, ((delegated_mask | allow_mask) & val) == allow_mask, 10, PWR_TRANSITION_TIMEOUT_US); if (ret) { @@ -333,7 +334,7 @@ static int retract_domain(struct panthor_device *ptdev, u32 domain) static int delegate_domain(struct panthor_device *ptdev, u32 domain) { const u32 pwr_cmd = PWR_COMMAND_DEF(PWR_COMMAND_DELEGATE, domain, 0); - const u64 pwr_status = gpu_read64(ptdev, PWR_STATUS); + const u64 pwr_status = gpu_read64(ptdev->iomem, PWR_STATUS); const u64 allow_mask = PWR_STATUS_DOMAIN_ALLOWED(domain); const u64 delegated_mask = PWR_STATUS_DOMAIN_DELEGATED(domain); u64 val; @@ -362,7 +363,7 @@ static int delegate_domain(struct panthor_device *ptdev, u32 domain) * On successful delegation * allow-flag will be cleared with delegated-flag being set. */ - ret = gpu_read64_poll_timeout(ptdev, PWR_STATUS, val, + ret = gpu_read64_poll_timeout(ptdev->iomem, PWR_STATUS, val, ((delegated_mask | allow_mask) & val) == delegated_mask, 10, PWR_TRANSITION_TIMEOUT_US); if (ret) { @@ -410,7 +411,7 @@ err_retract_shader: */ static int panthor_pwr_domain_force_off(struct panthor_device *ptdev, u32 domain) { - const u64 domain_ready = gpu_read64(ptdev, get_domain_ready_reg(domain)); + const u64 domain_ready = gpu_read64(ptdev->iomem, get_domain_ready_reg(domain)); int ret; /* Domain already powered down, early exit. */ @@ -471,7 +472,7 @@ int panthor_pwr_init(struct panthor_device *ptdev) int panthor_pwr_reset_soft(struct panthor_device *ptdev) { - if (!(gpu_read64(ptdev, PWR_STATUS) & PWR_STATUS_ALLOW_SOFT_RESET)) { + if (!(gpu_read64(ptdev->iomem, PWR_STATUS) & PWR_STATUS_ALLOW_SOFT_RESET)) { drm_err(&ptdev->base, "RESET_SOFT not allowed"); return -EOPNOTSUPP; } @@ -482,7 +483,7 @@ int panthor_pwr_reset_soft(struct panthor_device *ptdev) void panthor_pwr_l2_power_off(struct panthor_device *ptdev) { const u64 l2_allow_mask = PWR_STATUS_DOMAIN_ALLOWED(PWR_COMMAND_DOMAIN_L2); - const u64 pwr_status = gpu_read64(ptdev, PWR_STATUS); + const u64 pwr_status = gpu_read64(ptdev->iomem, PWR_STATUS); /* Abort if L2 power off constraints are not satisfied */ if (!(pwr_status & l2_allow_mask)) { @@ -508,7 +509,7 @@ void panthor_pwr_l2_power_off(struct panthor_device *ptdev) int panthor_pwr_l2_power_on(struct panthor_device *ptdev) { - const u32 pwr_status = gpu_read64(ptdev, PWR_STATUS); + const u32 pwr_status = gpu_read64(ptdev->iomem, PWR_STATUS); const u32 l2_allow_mask = PWR_STATUS_DOMAIN_ALLOWED(PWR_COMMAND_DOMAIN_L2); int ret; diff --git a/drivers/gpu/drm/panthor/panthor_sched.c b/drivers/gpu/drm/panthor/panthor_sched.c index 41d6369fa9c05..55660d9056ed7 100644 --- a/drivers/gpu/drm/panthor/panthor_sched.c +++ b/drivers/gpu/drm/panthor/panthor_sched.c @@ -3372,7 +3372,7 @@ queue_run_job(struct drm_sched_job *sched_job) if (resume_tick) sched_resume_tick(ptdev); - gpu_write(ptdev, CSF_DOORBELL(queue->doorbell_id), 1); + gpu_write(ptdev->iomem, CSF_DOORBELL(queue->doorbell_id), 1); if (!sched->pm.has_ref && !(group->blocked_queues & BIT(job->queue_idx))) { pm_runtime_get(ptdev->base.dev);