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path: root/drivers/gpu/drm/i915/intel_ringbuffer.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_ringbuffer.c')
-rw-r--r--drivers/gpu/drm/i915/intel_ringbuffer.c92
1 files changed, 25 insertions, 67 deletions
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index e25581a9f60f..dfdb613752c5 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -290,9 +290,9 @@ static int init_ring_common(struct intel_ring_buffer *ring)
| RING_VALID);
/* If the head is still not zero, the ring is dead */
- if ((I915_READ_CTL(ring) & RING_VALID) == 0 ||
- I915_READ_START(ring) != obj->gtt_offset ||
- (I915_READ_HEAD(ring) & HEAD_ADDR) != 0) {
+ if (wait_for((I915_READ_CTL(ring) & RING_VALID) != 0 &&
+ I915_READ_START(ring) == obj->gtt_offset &&
+ (I915_READ_HEAD(ring) & HEAD_ADDR) == 0, 50)) {
DRM_ERROR("%s initialization failed "
"ctl %08x head %08x tail %08x start %08x\n",
ring->name,
@@ -687,7 +687,7 @@ render_ring_get_irq(struct intel_ring_buffer *ring)
spin_lock(&ring->irq_lock);
if (ring->irq_refcount++ == 0) {
- if (HAS_PCH_SPLIT(dev))
+ if (INTEL_INFO(dev)->gen >= 5)
ironlake_enable_irq(dev_priv,
GT_PIPE_NOTIFY | GT_USER_INTERRUPT);
else
@@ -706,7 +706,7 @@ render_ring_put_irq(struct intel_ring_buffer *ring)
spin_lock(&ring->irq_lock);
if (--ring->irq_refcount == 0) {
- if (HAS_PCH_SPLIT(dev))
+ if (INTEL_INFO(dev)->gen >= 5)
ironlake_disable_irq(dev_priv,
GT_USER_INTERRUPT |
GT_PIPE_NOTIFY);
@@ -788,10 +788,11 @@ ring_add_request(struct intel_ring_buffer *ring,
}
static bool
-gen6_ring_get_irq(struct intel_ring_buffer *ring, u32 gflag, u32 rflag)
+gen6_ring_get_irq(struct intel_ring_buffer *ring)
{
struct drm_device *dev = ring->dev;
drm_i915_private_t *dev_priv = dev->dev_private;
+ u32 mask = ring->irq_enable;
if (!dev->irq_enabled)
return false;
@@ -803,9 +804,9 @@ gen6_ring_get_irq(struct intel_ring_buffer *ring, u32 gflag, u32 rflag)
spin_lock(&ring->irq_lock);
if (ring->irq_refcount++ == 0) {
- ring->irq_mask &= ~rflag;
+ ring->irq_mask &= ~mask;
I915_WRITE_IMR(ring, ring->irq_mask);
- ironlake_enable_irq(dev_priv, gflag);
+ ironlake_enable_irq(dev_priv, mask);
}
spin_unlock(&ring->irq_lock);
@@ -813,16 +814,17 @@ gen6_ring_get_irq(struct intel_ring_buffer *ring, u32 gflag, u32 rflag)
}
static void
-gen6_ring_put_irq(struct intel_ring_buffer *ring, u32 gflag, u32 rflag)
+gen6_ring_put_irq(struct intel_ring_buffer *ring)
{
struct drm_device *dev = ring->dev;
drm_i915_private_t *dev_priv = dev->dev_private;
+ u32 mask = ring->irq_enable;
spin_lock(&ring->irq_lock);
if (--ring->irq_refcount == 0) {
- ring->irq_mask |= rflag;
+ ring->irq_mask |= mask;
I915_WRITE_IMR(ring, ring->irq_mask);
- ironlake_disable_irq(dev_priv, gflag);
+ ironlake_disable_irq(dev_priv, mask);
}
spin_unlock(&ring->irq_lock);
@@ -1361,38 +1363,6 @@ gen6_ring_dispatch_execbuffer(struct intel_ring_buffer *ring,
return 0;
}
-static bool
-gen6_render_ring_get_irq(struct intel_ring_buffer *ring)
-{
- return gen6_ring_get_irq(ring,
- GT_USER_INTERRUPT,
- GEN6_RENDER_USER_INTERRUPT);
-}
-
-static void
-gen6_render_ring_put_irq(struct intel_ring_buffer *ring)
-{
- return gen6_ring_put_irq(ring,
- GT_USER_INTERRUPT,
- GEN6_RENDER_USER_INTERRUPT);
-}
-
-static bool
-gen6_bsd_ring_get_irq(struct intel_ring_buffer *ring)
-{
- return gen6_ring_get_irq(ring,
- GT_GEN6_BSD_USER_INTERRUPT,
- GEN6_BSD_USER_INTERRUPT);
-}
-
-static void
-gen6_bsd_ring_put_irq(struct intel_ring_buffer *ring)
-{
- return gen6_ring_put_irq(ring,
- GT_GEN6_BSD_USER_INTERRUPT,
- GEN6_BSD_USER_INTERRUPT);
-}
-
/* ring buffer for Video Codec for Gen6+ */
static const struct intel_ring_buffer gen6_bsd_ring = {
.name = "gen6 bsd ring",
@@ -1404,8 +1374,9 @@ static const struct intel_ring_buffer gen6_bsd_ring = {
.flush = gen6_ring_flush,
.add_request = gen6_add_request,
.get_seqno = gen6_ring_get_seqno,
- .irq_get = gen6_bsd_ring_get_irq,
- .irq_put = gen6_bsd_ring_put_irq,
+ .irq_enable = GEN6_BSD_USER_INTERRUPT,
+ .irq_get = gen6_ring_get_irq,
+ .irq_put = gen6_ring_put_irq,
.dispatch_execbuffer = gen6_ring_dispatch_execbuffer,
.sync_to = gen6_bsd_ring_sync_to,
.semaphore_register = {MI_SEMAPHORE_SYNC_VR,
@@ -1416,22 +1387,6 @@ static const struct intel_ring_buffer gen6_bsd_ring = {
/* Blitter support (SandyBridge+) */
-static bool
-blt_ring_get_irq(struct intel_ring_buffer *ring)
-{
- return gen6_ring_get_irq(ring,
- GT_BLT_USER_INTERRUPT,
- GEN6_BLITTER_USER_INTERRUPT);
-}
-
-static void
-blt_ring_put_irq(struct intel_ring_buffer *ring)
-{
- gen6_ring_put_irq(ring,
- GT_BLT_USER_INTERRUPT,
- GEN6_BLITTER_USER_INTERRUPT);
-}
-
static int blt_ring_flush(struct intel_ring_buffer *ring,
u32 invalidate, u32 flush)
{
@@ -1463,8 +1418,9 @@ static const struct intel_ring_buffer gen6_blt_ring = {
.flush = blt_ring_flush,
.add_request = gen6_add_request,
.get_seqno = gen6_ring_get_seqno,
- .irq_get = blt_ring_get_irq,
- .irq_put = blt_ring_put_irq,
+ .irq_get = gen6_ring_get_irq,
+ .irq_put = gen6_ring_put_irq,
+ .irq_enable = GEN6_BLITTER_USER_INTERRUPT,
.dispatch_execbuffer = gen6_ring_dispatch_execbuffer,
.sync_to = gen6_blt_ring_sync_to,
.semaphore_register = {MI_SEMAPHORE_SYNC_BR,
@@ -1482,8 +1438,9 @@ int intel_init_render_ring_buffer(struct drm_device *dev)
if (INTEL_INFO(dev)->gen >= 6) {
ring->add_request = gen6_add_request;
ring->flush = gen6_render_ring_flush;
- ring->irq_get = gen6_render_ring_get_irq;
- ring->irq_put = gen6_render_ring_put_irq;
+ ring->irq_get = gen6_ring_get_irq;
+ ring->irq_put = gen6_ring_put_irq;
+ ring->irq_enable = GT_USER_INTERRUPT;
ring->get_seqno = gen6_ring_get_seqno;
} else if (IS_GEN5(dev)) {
ring->add_request = pc_render_add_request;
@@ -1506,8 +1463,9 @@ int intel_render_ring_init_dri(struct drm_device *dev, u64 start, u32 size)
*ring = render_ring;
if (INTEL_INFO(dev)->gen >= 6) {
ring->add_request = gen6_add_request;
- ring->irq_get = gen6_render_ring_get_irq;
- ring->irq_put = gen6_render_ring_put_irq;
+ ring->irq_get = gen6_ring_get_irq;
+ ring->irq_put = gen6_ring_put_irq;
+ ring->irq_enable = GT_USER_INTERRUPT;
} else if (IS_GEN5(dev)) {
ring->add_request = pc_render_add_request;
ring->get_seqno = pc_render_get_seqno;
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-28 11:22:30 +0000