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drm/i915: extract dri1 breadcrumb update from irq handler 

... and hide it in i915_dma.c.

This way all the legacy stuff dealing with READ_BREADCRUMB and
LP_RING and friends is in i915_dma.c.

v2: Rebase on top of Chris Wilson's rework irq handling code.

Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Daniel Vetter 2012-04-26 23:28:09 +02:00
parent 9488867a67
commit d05c617ea4
3 changed files with 17 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
drivers/gpu/drm/i915/i915_dma.c
View File

@ -47,6 +47,19 @@
#include <acpi/video.h>
#include <asm/pat.h>
void i915_update_dri1_breadcrumb(struct drm_device *dev)
{
drm_i915_private_t *dev_priv = dev->dev_private;
struct drm_i915_master_private *master_priv;
if (dev->primary->master) {
master_priv = dev->primary->master->driver_priv;
if (master_priv->sarea_priv)
master_priv->sarea_priv->last_dispatch =
READ_BREADCRUMB(dev_priv);
}
}
static void i915_write_hws_pga(struct drm_device *dev)
{
drm_i915_private_t *dev_priv = dev->dev_private;

1
drivers/gpu/drm/i915/i915_drv.h
View File

@ -1129,6 +1129,7 @@ extern int i915_master_create(struct drm_device *dev, struct drm_master *master)
extern void i915_master_destroy(struct drm_device *dev, struct drm_master *master);
/* i915_dma.c */
void i915_update_dri1_breadcrumb(struct drm_device *dev);
extern void i915_kernel_lost_context(struct drm_device * dev);
extern int i915_driver_load(struct drm_device *, unsigned long flags);
extern int i915_driver_unload(struct drm_device *);

24
drivers/gpu/drm/i915/i915_irq.c
View File

@ -2015,7 +2015,6 @@ static irqreturn_t i8xx_irq_handler(DRM_IRQ_ARGS)
{
struct drm_device *dev = (struct drm_device *) arg;
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
struct drm_i915_master_private *master_priv;
u16 iir, new_iir;
u32 pipe_stats[2];
unsigned long irqflags;
@ -2061,12 +2060,7 @@ static irqreturn_t i8xx_irq_handler(DRM_IRQ_ARGS)
I915_WRITE16(IIR, iir & ~flip_mask);
new_iir = I915_READ16(IIR); /* Flush posted writes */
if (dev->primary->master) {
master_priv = dev->primary->master->driver_priv;
if (master_priv->sarea_priv)
master_priv->sarea_priv->last_dispatch =
READ_BREADCRUMB(dev_priv);
}
i915_update_dri1_breadcrumb(dev);
if (iir & I915_USER_INTERRUPT)
notify_ring(dev, &dev_priv->ring[RCS]);
@ -2199,7 +2193,6 @@ static irqreturn_t i915_irq_handler(DRM_IRQ_ARGS)
{
struct drm_device *dev = (struct drm_device *) arg;
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
struct drm_i915_master_private *master_priv;
u32 iir, new_iir, pipe_stats[I915_MAX_PIPES];
unsigned long irqflags;
u32 flip_mask =
@ -2305,12 +2298,7 @@ static irqreturn_t i915_irq_handler(DRM_IRQ_ARGS)
iir = new_iir;
} while (iir & ~flip_mask);
if (dev->primary->master) {
master_priv = dev->primary->master->driver_priv;
if (master_priv->sarea_priv)
master_priv->sarea_priv->last_dispatch =
READ_BREADCRUMB(dev_priv);
}
i915_update_dri1_breadcrumb(dev);
return ret;
}
@ -2446,7 +2434,6 @@ static irqreturn_t i965_irq_handler(DRM_IRQ_ARGS)
{
struct drm_device *dev = (struct drm_device *) arg;
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
struct drm_i915_master_private *master_priv;
u32 iir, new_iir;
u32 pipe_stats[I915_MAX_PIPES];
unsigned long irqflags;
@ -2555,12 +2542,7 @@ static irqreturn_t i965_irq_handler(DRM_IRQ_ARGS)
iir = new_iir;
}
if (dev->primary->master) {
master_priv = dev->primary->master->driver_priv;
if (master_priv->sarea_priv)
master_priv->sarea_priv->last_dispatch =
READ_BREADCRUMB(dev_priv);
}
i915_update_dri1_breadcrumb(dev);
return ret;
}