diff options
Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_irq.c')
-rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_irq.c | 77 |
1 files changed, 14 insertions, 63 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_irq.c b/drivers/gpu/drm/vmwgfx/vmwgfx_irq.c index 6c2a569f1fcb..b9a9b7ddadbd 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_irq.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_irq.c @@ -65,7 +65,7 @@ static irqreturn_t vmw_thread_fn(int irq, void *arg) } /** - * vmw_irq_handler irq handler + * vmw_irq_handler: irq handler * * @irq: irq number * @arg: Closure argument. Pointer to a struct drm_device cast to void * @@ -82,11 +82,11 @@ static irqreturn_t vmw_irq_handler(int irq, void *arg) uint32_t status, masked_status; irqreturn_t ret = IRQ_HANDLED; - status = inl(dev_priv->io_start + VMWGFX_IRQSTATUS_PORT); + status = vmw_irq_status_read(dev_priv); masked_status = status & READ_ONCE(dev_priv->irq_mask); if (likely(status)) - outl(status, dev_priv->io_start + VMWGFX_IRQSTATUS_PORT); + vmw_irq_status_write(dev_priv, status); if (!status) return IRQ_NONE; @@ -114,10 +114,9 @@ static bool vmw_fifo_idle(struct vmw_private *dev_priv, uint32_t seqno) return (vmw_read(dev_priv, SVGA_REG_BUSY) == 0); } -void vmw_update_seqno(struct vmw_private *dev_priv, - struct vmw_fifo_state *fifo_state) +void vmw_update_seqno(struct vmw_private *dev_priv) { - uint32_t seqno = vmw_fifo_mem_read(dev_priv, SVGA_FIFO_FENCE); + uint32_t seqno = vmw_fence_read(dev_priv); if (dev_priv->last_read_seqno != seqno) { dev_priv->last_read_seqno = seqno; @@ -128,18 +127,16 @@ void vmw_update_seqno(struct vmw_private *dev_priv, bool vmw_seqno_passed(struct vmw_private *dev_priv, uint32_t seqno) { - struct vmw_fifo_state *fifo_state; bool ret; if (likely(dev_priv->last_read_seqno - seqno < VMW_FENCE_WRAP)) return true; - fifo_state = &dev_priv->fifo; - vmw_update_seqno(dev_priv, fifo_state); + vmw_update_seqno(dev_priv); if (likely(dev_priv->last_read_seqno - seqno < VMW_FENCE_WRAP)) return true; - if (!(fifo_state->capabilities & SVGA_FIFO_CAP_FENCE) && + if (!(vmw_fifo_caps(dev_priv) & SVGA_FIFO_CAP_FENCE) && vmw_fifo_idle(dev_priv, seqno)) return true; @@ -161,7 +158,7 @@ int vmw_fallback_wait(struct vmw_private *dev_priv, bool interruptible, unsigned long timeout) { - struct vmw_fifo_state *fifo_state = &dev_priv->fifo; + struct vmw_fifo_state *fifo_state = dev_priv->fifo; uint32_t count = 0; uint32_t signal_seq; @@ -221,7 +218,7 @@ int vmw_fallback_wait(struct vmw_private *dev_priv, } finish_wait(&dev_priv->fence_queue, &__wait); if (ret == 0 && fifo_idle) - vmw_fifo_mem_write(dev_priv, SVGA_FIFO_FENCE, signal_seq); + vmw_fence_write(dev_priv, signal_seq); wake_up_all(&dev_priv->fence_queue); out_err: @@ -236,7 +233,7 @@ void vmw_generic_waiter_add(struct vmw_private *dev_priv, { spin_lock_bh(&dev_priv->waiter_lock); if ((*waiter_count)++ == 0) { - outl(flag, dev_priv->io_start + VMWGFX_IRQSTATUS_PORT); + vmw_irq_status_write(dev_priv, flag); dev_priv->irq_mask |= flag; vmw_write(dev_priv, SVGA_REG_IRQMASK, dev_priv->irq_mask); } @@ -278,59 +275,13 @@ void vmw_goal_waiter_remove(struct vmw_private *dev_priv) &dev_priv->goal_queue_waiters); } -int vmw_wait_seqno(struct vmw_private *dev_priv, - bool lazy, uint32_t seqno, - bool interruptible, unsigned long timeout) -{ - long ret; - struct vmw_fifo_state *fifo = &dev_priv->fifo; - - if (likely(dev_priv->last_read_seqno - seqno < VMW_FENCE_WRAP)) - return 0; - - if (likely(vmw_seqno_passed(dev_priv, seqno))) - return 0; - - vmw_fifo_ping_host(dev_priv, SVGA_SYNC_GENERIC); - - if (!(fifo->capabilities & SVGA_FIFO_CAP_FENCE)) - return vmw_fallback_wait(dev_priv, lazy, true, seqno, - interruptible, timeout); - - if (!(dev_priv->capabilities & SVGA_CAP_IRQMASK)) - return vmw_fallback_wait(dev_priv, lazy, false, seqno, - interruptible, timeout); - - vmw_seqno_waiter_add(dev_priv); - - if (interruptible) - ret = wait_event_interruptible_timeout - (dev_priv->fence_queue, - vmw_seqno_passed(dev_priv, seqno), - timeout); - else - ret = wait_event_timeout - (dev_priv->fence_queue, - vmw_seqno_passed(dev_priv, seqno), - timeout); - - vmw_seqno_waiter_remove(dev_priv); - - if (unlikely(ret == 0)) - ret = -EBUSY; - else if (likely(ret > 0)) - ret = 0; - - return ret; -} - static void vmw_irq_preinstall(struct drm_device *dev) { struct vmw_private *dev_priv = vmw_priv(dev); uint32_t status; - status = inl(dev_priv->io_start + VMWGFX_IRQSTATUS_PORT); - outl(status, dev_priv->io_start + VMWGFX_IRQSTATUS_PORT); + status = vmw_irq_status_read(dev_priv); + vmw_irq_status_write(dev_priv, status); } void vmw_irq_uninstall(struct drm_device *dev) @@ -346,8 +297,8 @@ void vmw_irq_uninstall(struct drm_device *dev) vmw_write(dev_priv, SVGA_REG_IRQMASK, 0); - status = inl(dev_priv->io_start + VMWGFX_IRQSTATUS_PORT); - outl(status, dev_priv->io_start + VMWGFX_IRQSTATUS_PORT); + status = vmw_irq_status_read(dev_priv); + vmw_irq_status_write(dev_priv, status); dev->irq_enabled = false; free_irq(dev->irq, dev); |