diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_irq.c | 73 |
1 files changed, 20 insertions, 53 deletions
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 86237569443..26f48932a51 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -60,43 +60,6 @@ i915_disable_irq(drm_i915_private_t *dev_priv, u32 mask) } /** - * i915_get_pipe - return the the pipe associated with a given plane - * @dev: DRM device - * @plane: plane to look for - * - * The Intel Mesa & 2D drivers call the vblank routines with a plane number - * rather than a pipe number, since they may not always be equal. This routine - * maps the given @plane back to a pipe number. - */ -static int -i915_get_pipe(struct drm_device *dev, int plane) -{ - drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; - u32 dspcntr; - - dspcntr = plane ? I915_READ(DSPBCNTR) : I915_READ(DSPACNTR); - - return dspcntr & DISPPLANE_SEL_PIPE_MASK ? 1 : 0; -} - -/** - * i915_get_plane - return the the plane associated with a given pipe - * @dev: DRM device - * @pipe: pipe to look for - * - * The Intel Mesa & 2D drivers call the vblank routines with a plane number - * rather than a plane number, since they may not always be equal. This routine - * maps the given @pipe back to a plane number. - */ -static int -i915_get_plane(struct drm_device *dev, int pipe) -{ - if (i915_get_pipe(dev, 0) == pipe) - return 0; - return 1; -} - -/** * i915_pipe_enabled - check if a pipe is enabled * @dev: DRM device * @pipe: pipe to check @@ -155,8 +118,8 @@ static void i915_vblank_tasklet(struct drm_device *dev) src_pitch >>= 2; } - counter[0] = drm_vblank_count(dev, i915_get_plane(dev, 0)); - counter[1] = drm_vblank_count(dev, i915_get_plane(dev, 1)); + counter[0] = drm_vblank_count(dev, 0); + counter[1] = drm_vblank_count(dev, 1); DRM_DEBUG("\n"); @@ -322,15 +285,16 @@ static void i915_vblank_tasklet(struct drm_device *dev) } } -u32 i915_get_vblank_counter(struct drm_device *dev, int plane) +/* Called from drm generic code, passed a 'crtc', which + * we use as a pipe index + */ +u32 i915_get_vblank_counter(struct drm_device *dev, int pipe) { drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; unsigned long high_frame; unsigned long low_frame; u32 high1, high2, low, count; - int pipe; - pipe = i915_get_pipe(dev, plane); high_frame = pipe ? PIPEBFRAMEHIGH : PIPEAFRAMEHIGH; low_frame = pipe ? PIPEBFRAMEPIXEL : PIPEAFRAMEPIXEL; @@ -426,7 +390,7 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS) else if (pipea_stats & (PIPE_START_VBLANK_INTERRUPT_STATUS| PIPE_VBLANK_INTERRUPT_STATUS)) { vblank++; - drm_handle_vblank(dev, i915_get_plane(dev, 0)); + drm_handle_vblank(dev, 0); } I915_WRITE(PIPEASTAT, pipea_stats); @@ -444,7 +408,7 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS) else if (pipeb_stats & (PIPE_START_VBLANK_INTERRUPT_STATUS| PIPE_VBLANK_INTERRUPT_STATUS)) { vblank++; - drm_handle_vblank(dev, i915_get_plane(dev, 1)); + drm_handle_vblank(dev, 1); } if (pipeb_stats & I915_LEGACY_BLC_EVENT_STATUS) @@ -604,10 +568,12 @@ int i915_irq_wait(struct drm_device *dev, void *data, return i915_wait_irq(dev, irqwait->irq_seq); } -int i915_enable_vblank(struct drm_device *dev, int plane) +/* Called from drm generic code, passed 'crtc' which + * we use as a pipe index + */ +int i915_enable_vblank(struct drm_device *dev, int pipe) { drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; - int pipe = i915_get_pipe(dev, plane); u32 pipestat_reg = 0; u32 pipestat; u32 interrupt = 0; @@ -653,10 +619,12 @@ int i915_enable_vblank(struct drm_device *dev, int plane) return 0; } -void i915_disable_vblank(struct drm_device *dev, int plane) +/* Called from drm generic code, passed 'crtc' which + * we use as a pipe index + */ +void i915_disable_vblank(struct drm_device *dev, int pipe) { drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; - int pipe = i915_get_pipe(dev, plane); u32 pipestat_reg = 0; u32 pipestat; u32 interrupt = 0; @@ -731,7 +699,7 @@ int i915_vblank_swap(struct drm_device *dev, void *data, drm_i915_private_t *dev_priv = dev->dev_private; drm_i915_vblank_swap_t *swap = data; drm_i915_vbl_swap_t *vbl_swap, *vbl_old; - unsigned int pipe, seqtype, curseq, plane; + unsigned int pipe, seqtype, curseq; unsigned long irqflags; struct list_head *list; int ret; @@ -752,8 +720,7 @@ int i915_vblank_swap(struct drm_device *dev, void *data, return -EINVAL; } - plane = (swap->seqtype & _DRM_VBLANK_SECONDARY) ? 1 : 0; - pipe = i915_get_pipe(dev, plane); + pipe = (swap->seqtype & _DRM_VBLANK_SECONDARY) ? 1 : 0; seqtype = swap->seqtype & (_DRM_VBLANK_RELATIVE | _DRM_VBLANK_ABSOLUTE); @@ -825,8 +792,8 @@ int i915_vblank_swap(struct drm_device *dev, void *data, if (dev_priv->swaps_pending >= 10) { DRM_DEBUG("Too many swaps queued\n"); DRM_DEBUG(" pipe 0: %d pipe 1: %d\n", - drm_vblank_count(dev, i915_get_plane(dev, 0)), - drm_vblank_count(dev, i915_get_plane(dev, 1))); + drm_vblank_count(dev, 0), + drm_vblank_count(dev, 1)); list_for_each(list, &dev_priv->vbl_swaps.head) { vbl_old = list_entry(list, drm_i915_vbl_swap_t, head); |