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drm/i915: Convert irq_refounct to struct

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It's overkill on older gens, but it's useful for newer gens.

Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Ben Widawsky 2013-05-28 19:22:28 -07:00 committed by Daniel Vetter
parent 4848405cce
commit aeb0659338
2 changed files with 11 additions and 9 deletions
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16
drivers/gpu/drm/i915/intel_ringbuffer.c
View File

@ -795,7 +795,7 @@ gen5_ring_get_irq(struct intel_ring_buffer *ring)
return false;
spin_lock_irqsave(&dev_priv->irq_lock, flags);
if (ring->irq_refcount++ == 0) {
if (ring->irq_refcount.gt++ == 0) {
dev_priv->gt_irq_mask &= ~ring->irq_enable_mask;
I915_WRITE(GTIMR, dev_priv->gt_irq_mask);
POSTING_READ(GTIMR);
@ -813,7 +813,7 @@ gen5_ring_put_irq(struct intel_ring_buffer *ring)
unsigned long flags;
spin_lock_irqsave(&dev_priv->irq_lock, flags);
if (--ring->irq_refcount == 0) {
if (--ring->irq_refcount.gt == 0) {
dev_priv->gt_irq_mask |= ring->irq_enable_mask;
I915_WRITE(GTIMR, dev_priv->gt_irq_mask);
POSTING_READ(GTIMR);
@ -832,7 +832,7 @@ i9xx_ring_get_irq(struct intel_ring_buffer *ring)
return false;
spin_lock_irqsave(&dev_priv->irq_lock, flags);
if (ring->irq_refcount++ == 0) {
if (ring->irq_refcount.gt++ == 0) {
dev_priv->irq_mask &= ~ring->irq_enable_mask;
I915_WRITE(IMR, dev_priv->irq_mask);
POSTING_READ(IMR);
@ -850,7 +850,7 @@ i9xx_ring_put_irq(struct intel_ring_buffer *ring)
unsigned long flags;
spin_lock_irqsave(&dev_priv->irq_lock, flags);
if (--ring->irq_refcount == 0) {
if (--ring->irq_refcount.gt == 0) {
dev_priv->irq_mask |= ring->irq_enable_mask;
I915_WRITE(IMR, dev_priv->irq_mask);
POSTING_READ(IMR);
@ -869,7 +869,7 @@ i8xx_ring_get_irq(struct intel_ring_buffer *ring)
return false;
spin_lock_irqsave(&dev_priv->irq_lock, flags);
if (ring->irq_refcount++ == 0) {
if (ring->irq_refcount.gt++ == 0) {
dev_priv->irq_mask &= ~ring->irq_enable_mask;
I915_WRITE16(IMR, dev_priv->irq_mask);
POSTING_READ16(IMR);
@ -887,7 +887,7 @@ i8xx_ring_put_irq(struct intel_ring_buffer *ring)
unsigned long flags;
spin_lock_irqsave(&dev_priv->irq_lock, flags);
if (--ring->irq_refcount == 0) {
if (--ring->irq_refcount.gt == 0) {
dev_priv->irq_mask |= ring->irq_enable_mask;
I915_WRITE16(IMR, dev_priv->irq_mask);
POSTING_READ16(IMR);
@ -980,7 +980,7 @@ gen6_ring_get_irq(struct intel_ring_buffer *ring)
gen6_gt_force_wake_get(dev_priv);
spin_lock_irqsave(&dev_priv->irq_lock, flags);
if (ring->irq_refcount++ == 0) {
if (ring->irq_refcount.gt++ == 0) {
if (HAS_L3_GPU_CACHE(dev) && ring->id == RCS)
I915_WRITE_IMR(ring, ~(ring->irq_enable_mask |
GEN6_RENDER_L3_PARITY_ERROR));
@ -1003,7 +1003,7 @@ gen6_ring_put_irq(struct intel_ring_buffer *ring)
unsigned long flags;
spin_lock_irqsave(&dev_priv->irq_lock, flags);
if (--ring->irq_refcount == 0) {
if (--ring->irq_refcount.gt == 0) {
if (HAS_L3_GPU_CACHE(dev) && ring->id == RCS)
I915_WRITE_IMR(ring, ~GEN6_RENDER_L3_PARITY_ERROR);
else

4
drivers/gpu/drm/i915/intel_ringbuffer.h
View File

@ -72,7 +72,9 @@ struct intel_ring_buffer {
*/
u32 last_retired_head;
u32 irq_refcount; /* protected by dev_priv->irq_lock */
struct {
u32 gt;
} irq_refcount; /* protected by dev_priv->irq_lock */
u32 irq_enable_mask; /* bitmask to enable ring interrupt */
u32 trace_irq_seqno;
u32 sync_seqno[I915_NUM_RINGS-1];