From 8d91c1e411f55d7ea91b1183a2e9f8088fb4d5be Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Tue, 15 Dec 2015 14:52:16 -0300 Subject: Linux-libre 4.3.2-gnu --- drivers/gpu/drm/vmwgfx/vmwgfx_irq.c | 47 +++++++++++++++++++++++++++++++++---- 1 file changed, 43 insertions(+), 4 deletions(-) (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_irq.c') diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_irq.c b/drivers/gpu/drm/vmwgfx/vmwgfx_irq.c index 9fe9827ee..9498a5e33 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_irq.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_irq.c @@ -1,6 +1,6 @@ /************************************************************************** * - * Copyright © 2009 VMware, Inc., Palo Alto, CA., USA + * Copyright © 2009-2015 VMware, Inc., Palo Alto, CA., USA * All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a @@ -56,6 +56,9 @@ irqreturn_t vmw_irq_handler(int irq, void *arg) if (masked_status & SVGA_IRQFLAG_FIFO_PROGRESS) wake_up_all(&dev_priv->fifo_queue); + if (masked_status & (SVGA_IRQFLAG_COMMAND_BUFFER | + SVGA_IRQFLAG_ERROR)) + vmw_cmdbuf_tasklet_schedule(dev_priv->cman); return IRQ_HANDLED; } @@ -69,7 +72,7 @@ static bool vmw_fifo_idle(struct vmw_private *dev_priv, uint32_t seqno) void vmw_update_seqno(struct vmw_private *dev_priv, struct vmw_fifo_state *fifo_state) { - __le32 __iomem *fifo_mem = dev_priv->mmio_virt; + u32 __iomem *fifo_mem = dev_priv->mmio_virt; uint32_t seqno = ioread32(fifo_mem + SVGA_FIFO_FENCE); if (dev_priv->last_read_seqno != seqno) { @@ -131,8 +134,16 @@ int vmw_fallback_wait(struct vmw_private *dev_priv, * Block command submission while waiting for idle. */ - if (fifo_idle) + if (fifo_idle) { down_read(&fifo_state->rwsem); + if (dev_priv->cman) { + ret = vmw_cmdbuf_idle(dev_priv->cman, interruptible, + 10*HZ); + if (ret) + goto out_err; + } + } + signal_seq = atomic_read(&dev_priv->marker_seq); ret = 0; @@ -167,10 +178,11 @@ int vmw_fallback_wait(struct vmw_private *dev_priv, } finish_wait(&dev_priv->fence_queue, &__wait); if (ret == 0 && fifo_idle) { - __le32 __iomem *fifo_mem = dev_priv->mmio_virt; + u32 __iomem *fifo_mem = dev_priv->mmio_virt; iowrite32(signal_seq, fifo_mem + SVGA_FIFO_FENCE); } wake_up_all(&dev_priv->fence_queue); +out_err: if (fifo_idle) up_read(&fifo_state->rwsem); @@ -315,3 +327,30 @@ void vmw_irq_uninstall(struct drm_device *dev) status = inl(dev_priv->io_start + VMWGFX_IRQSTATUS_PORT); outl(status, dev_priv->io_start + VMWGFX_IRQSTATUS_PORT); } + +void vmw_generic_waiter_add(struct vmw_private *dev_priv, + u32 flag, int *waiter_count) +{ + unsigned long irq_flags; + + spin_lock_irqsave(&dev_priv->irq_lock, irq_flags); + if ((*waiter_count)++ == 0) { + outl(flag, dev_priv->io_start + VMWGFX_IRQSTATUS_PORT); + dev_priv->irq_mask |= flag; + vmw_write(dev_priv, SVGA_REG_IRQMASK, dev_priv->irq_mask); + } + spin_unlock_irqrestore(&dev_priv->irq_lock, irq_flags); +} + +void vmw_generic_waiter_remove(struct vmw_private *dev_priv, + u32 flag, int *waiter_count) +{ + unsigned long irq_flags; + + spin_lock_irqsave(&dev_priv->irq_lock, irq_flags); + if (--(*waiter_count) == 0) { + dev_priv->irq_mask &= ~flag; + vmw_write(dev_priv, SVGA_REG_IRQMASK, dev_priv->irq_mask); + } + spin_unlock_irqrestore(&dev_priv->irq_lock, irq_flags); +} -- cgit v1.2.3-54-g00ecf