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-rw-r--r--shared-core/drm.h17
-rw-r--r--shared-core/i915_drv.h43
-rw-r--r--shared-core/i915_irq.c172
-rw-r--r--shared-core/mach64_drv.h13
-rw-r--r--shared-core/mach64_irq.c88
-rw-r--r--shared-core/mga_drv.h10
-rw-r--r--shared-core/mga_irq.c69
-rw-r--r--shared-core/nouveau_drv.h2
-rw-r--r--shared-core/nouveau_irq.c4
-rw-r--r--shared-core/r128_drv.h9
-rw-r--r--shared-core/r128_irq.c55
-rw-r--r--shared-core/radeon_drv.h19
-rw-r--r--shared-core/radeon_irq.c171
-rw-r--r--shared-core/via_drv.c6
-rw-r--r--shared-core/via_drv.h7
-rw-r--r--shared-core/via_irq.c71
16 files changed, 462 insertions, 294 deletions
diff --git a/shared-core/drm.h b/shared-core/drm.h
index a551e4c2..52de596b 100644
--- a/shared-core/drm.h
+++ b/shared-core/drm.h
@@ -555,6 +555,21 @@ union drm_wait_vblank {
struct drm_wait_vblank_reply reply;
};
+typedef enum {
+ _DRM_PRE_MODESET = 1,
+ _DRM_POST_MODESET = 2,
+} drm_modeset_ctl_cmd_t;
+
+/**
+ * DRM_IOCTL_MODESET_CTL ioctl argument type
+ *
+ * \sa drmModesetCtl().
+ */
+typedef struct drm_modeset_ctl {
+ unsigned long arg;
+ drm_modeset_ctl_cmd_t cmd;
+} drm_modeset_ctl_t;
+
/**
* DRM_IOCTL_AGP_ENABLE ioctl argument type.
*
@@ -1027,6 +1042,8 @@ struct drm_mm_init_arg {
#define DRM_IOCTL_BO_VERSION DRM_IOR(0xd6, struct drm_bo_version_arg)
+#define DRM_IOCTL_MODESET_CTL DRM_IOW(0xa0, drm_modeset_ctl_t)
+
/*@}*/
/**
diff --git a/shared-core/i915_drv.h b/shared-core/i915_drv.h
index e8364b85..b8d027d7 100644
--- a/shared-core/i915_drv.h
+++ b/shared-core/i915_drv.h
@@ -258,21 +258,22 @@ extern int i915_irq_emit(struct drm_device *dev, void *data,
extern int i915_irq_wait(struct drm_device *dev, void *data,
struct drm_file *file_priv);
-extern int i915_driver_vblank_wait(struct drm_device *dev, unsigned int *sequence);
-extern int i915_driver_vblank_wait2(struct drm_device *dev, unsigned int *sequence);
extern irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS);
extern void i915_driver_irq_preinstall(struct drm_device * dev);
-extern void i915_driver_irq_postinstall(struct drm_device * dev);
+extern int i915_driver_irq_postinstall(struct drm_device * dev);
extern void i915_driver_irq_uninstall(struct drm_device * dev);
extern int i915_vblank_pipe_set(struct drm_device *dev, void *data,
struct drm_file *file_priv);
extern int i915_vblank_pipe_get(struct drm_device *dev, void *data,
struct drm_file *file_priv);
-extern int i915_emit_irq(struct drm_device *dev);
-extern void i915_user_irq_on(drm_i915_private_t *dev_priv);
-extern void i915_user_irq_off(drm_i915_private_t *dev_priv);
+extern int i915_emit_irq(struct drm_device * dev);
+extern int i915_enable_vblank(struct drm_device *dev, int crtc);
+extern void i915_disable_vblank(struct drm_device *dev, int crtc);
+extern u32 i915_get_vblank_counter(struct drm_device *dev, int crtc);
extern int i915_vblank_swap(struct drm_device *dev, void *data,
struct drm_file *file_priv);
+extern void i915_user_irq_on(drm_i915_private_t *dev_priv);
+extern void i915_user_irq_off(drm_i915_private_t *dev_priv);
/* i915_mem.c */
extern int i915_mem_alloc(struct drm_device *dev, void *data,
@@ -472,6 +473,36 @@ extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller);
#define I915REG_PIPEASTAT 0x70024
#define I915REG_PIPEBSTAT 0x71024
+/*
+ * The two pipe frame counter registers are not synchronized, so
+ * reading a stable value is somewhat tricky. The following code
+ * should work:
+ *
+ * do {
+ * high1 = ((INREG(PIPEAFRAMEHIGH) & PIPE_FRAME_HIGH_MASK) >>
+ * PIPE_FRAME_HIGH_SHIFT;
+ * low1 = ((INREG(PIPEAFRAMEPIXEL) & PIPE_FRAME_LOW_MASK) >>
+ * PIPE_FRAME_LOW_SHIFT);
+ * high2 = ((INREG(PIPEAFRAMEHIGH) & PIPE_FRAME_HIGH_MASK) >>
+ * PIPE_FRAME_HIGH_SHIFT);
+ * } while (high1 != high2);
+ * frame = (high1 << 8) | low1;
+ */
+#define PIPEAFRAMEHIGH 0x70040
+#define PIPEBFRAMEHIGH 0x71040
+#define PIPE_FRAME_HIGH_MASK 0x0000ffff
+#define PIPE_FRAME_HIGH_SHIFT 0
+#define PIPEAFRAMEPIXEL 0x70044
+#define PIPEBFRAMEPIXEL 0x71044
+
+#define PIPE_FRAME_LOW_MASK 0xff000000
+#define PIPE_FRAME_LOW_SHIFT 24
+/*
+ * Pixel within the current frame is counted in the PIPEAFRAMEPIXEL register
+ * and is 24 bits wide.
+ */
+#define PIPE_PIXEL_MASK 0x00ffffff
+#define PIPE_PIXEL_SHIFT 0
#define I915_VBLANK_INTERRUPT_ENABLE (1UL<<17)
#define I915_VBLANK_CLEAR (1UL<<1)
diff --git a/shared-core/i915_irq.c b/shared-core/i915_irq.c
index 4a968002..9b46b127 100644
--- a/shared-core/i915_irq.c
+++ b/shared-core/i915_irq.c
@@ -114,8 +114,7 @@ static void i915_vblank_tasklet(struct drm_device *dev)
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
struct list_head *list, *tmp, hits, *hit;
int nhits, nrects, slice[2], upper[2], lower[2], i, num_pages;
- unsigned counter[2] = { atomic_read(&dev->vbl_received),
- atomic_read(&dev->vbl_received2) };
+ unsigned counter[2];
struct drm_drawable_info *drw;
drm_i915_sarea_t *sarea_priv = dev_priv->sarea_priv;
u32 cpp = dev_priv->cpp, offsets[3];
@@ -127,6 +126,9 @@ static void i915_vblank_tasklet(struct drm_device *dev)
(cpp << 23) | (1 << 24);
RING_LOCALS;
+ counter[0] = drm_vblank_count(dev, 0);
+ counter[1] = drm_vblank_count(dev, 1);
+
DRM_DEBUG("\n");
INIT_LIST_HEAD(&hits);
@@ -144,13 +146,14 @@ static void i915_vblank_tasklet(struct drm_device *dev)
list_for_each_safe(list, tmp, &dev_priv->vbl_swaps.head) {
drm_i915_vbl_swap_t *vbl_swap =
list_entry(list, drm_i915_vbl_swap_t, head);
- int pipe = i915_get_pipe(dev, vbl_swap->plane);
+ int crtc = i915_get_pipe(dev, vbl_swap->plane);
- if ((counter[pipe] - vbl_swap->sequence) > (1<<23))
+ if ((counter[crtc] - vbl_swap->sequence) > (1<<23))
continue;
list_del(list);
dev_priv->swaps_pending--;
+ drm_vblank_put(dev, crtc);
DRM_SPINUNLOCK(&dev_priv->swaps_lock);
DRM_SPINLOCK(&dev->drw_lock);
@@ -301,6 +304,32 @@ static void i915_vblank_tasklet(struct drm_device *dev)
}
}
+u32 i915_get_vblank_counter(struct drm_device *dev, int crtc)
+{
+ drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
+ unsigned long high_frame = crtc ? PIPEBFRAMEHIGH : PIPEAFRAMEHIGH;
+ unsigned long low_frame = crtc ? PIPEBFRAMEPIXEL : PIPEAFRAMEPIXEL;
+ u32 high1, high2, low, count;
+
+ /*
+ * High & low register fields aren't synchronized, so make sure
+ * we get a low value that's stable across two reads of the high
+ * register.
+ */
+ do {
+ high1 = ((I915_READ(high_frame) & PIPE_FRAME_HIGH_MASK) >>
+ PIPE_FRAME_HIGH_SHIFT);
+ low = ((I915_READ(low_frame) & PIPE_FRAME_LOW_MASK) >>
+ PIPE_FRAME_LOW_SHIFT);
+ high2 = ((I915_READ(high_frame) & PIPE_FRAME_HIGH_MASK) >>
+ PIPE_FRAME_HIGH_SHIFT);
+ } while (high1 != high2);
+
+ count = (high1 << 8) | low;
+
+ return count;
+}
+
irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
{
struct drm_device *dev = (struct drm_device *) arg;
@@ -312,7 +341,6 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
pipeb_stats = I915_READ(I915REG_PIPEBSTAT);
temp = I915_READ16(I915REG_INT_IDENTITY_R);
- temp &= (dev_priv->irq_enable_reg | USER_INT_FLAG);
#if 0
DRM_DEBUG("flag=%08x\n", temp);
@@ -321,8 +349,10 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
return IRQ_NONE;
I915_WRITE16(I915REG_INT_IDENTITY_R, temp);
- (void) I915_READ16(I915REG_INT_IDENTITY_R);
- DRM_READMEMORYBARRIER();
+ (void) I915_READ16(I915REG_INT_IDENTITY_R); /* Flush posted write */
+
+ temp &= (dev_priv->irq_enable_reg | USER_INT_FLAG | VSYNC_PIPEA_FLAG |
+ VSYNC_PIPEB_FLAG);
dev_priv->sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv);
@@ -333,25 +363,16 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
#endif
}
- if (temp & (VSYNC_PIPEA_FLAG | VSYNC_PIPEB_FLAG)) {
- int vblank_pipe = dev_priv->vblank_pipe;
-
- if ((vblank_pipe &
- (DRM_I915_VBLANK_PIPE_A | DRM_I915_VBLANK_PIPE_B))
- == (DRM_I915_VBLANK_PIPE_A | DRM_I915_VBLANK_PIPE_B)) {
- if (temp & VSYNC_PIPEA_FLAG)
- atomic_inc(&dev->vbl_received);
- if (temp & VSYNC_PIPEB_FLAG)
- atomic_inc(&dev->vbl_received2);
- } else if (((temp & VSYNC_PIPEA_FLAG) &&
- (vblank_pipe & DRM_I915_VBLANK_PIPE_A)) ||
- ((temp & VSYNC_PIPEB_FLAG) &&
- (vblank_pipe & DRM_I915_VBLANK_PIPE_B)))
- atomic_inc(&dev->vbl_received);
-
- DRM_WAKEUP(&dev->vbl_queue);
- drm_vbl_send_signals(dev);
+ /*
+ * Use drm_update_vblank_counter here to deal with potential lost
+ * interrupts
+ */
+ if (temp & VSYNC_PIPEA_FLAG)
+ drm_handle_vblank(dev, 0);
+ if (temp & VSYNC_PIPEB_FLAG)
+ drm_handle_vblank(dev, 1);
+ if (temp & (VSYNC_PIPEA_FLAG | VSYNC_PIPEB_FLAG)) {
if (dev_priv->swaps_pending > 0)
drm_locked_tasklet(dev, i915_vblank_tasklet);
I915_WRITE(I915REG_PIPEASTAT,
@@ -431,38 +452,6 @@ static int i915_wait_irq(struct drm_device * dev, int irq_nr)
return ret;
}
-static int i915_driver_vblank_do_wait(struct drm_device *dev,
- unsigned int *sequence,
- atomic_t *counter)
-{
- drm_i915_private_t *dev_priv = dev->dev_private;
- unsigned int cur_vblank;
- int ret = 0;
-
- if (!dev_priv) {
- DRM_ERROR("called with no initialization\n");
- return -EINVAL;
- }
-
- DRM_WAIT_ON(ret, dev->vbl_queue, 3 * DRM_HZ,
- (((cur_vblank = atomic_read(counter))
- - *sequence) <= (1<<23)));
-
- *sequence = cur_vblank;
-
- return ret;
-}
-
-int i915_driver_vblank_wait(struct drm_device *dev, unsigned int *sequence)
-{
- return i915_driver_vblank_do_wait(dev, sequence, &dev->vbl_received);
-}
-
-int i915_driver_vblank_wait2(struct drm_device *dev, unsigned int *sequence)
-{
- return i915_driver_vblank_do_wait(dev, sequence, &dev->vbl_received2);
-}
-
/* Needs the lock as it touches the ring.
*/
int i915_irq_emit(struct drm_device *dev, void *data,
@@ -505,15 +494,53 @@ int i915_irq_wait(struct drm_device *dev, void *data,
return i915_wait_irq(dev, irqwait->irq_seq);
}
-static void i915_enable_interrupt (struct drm_device *dev)
+int i915_enable_vblank(struct drm_device *dev, int crtc)
{
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
- dev_priv->irq_enable_reg = USER_INT_FLAG;
- if (dev_priv->vblank_pipe & DRM_I915_VBLANK_PIPE_A)
+ switch (crtc) {
+ case 0:
dev_priv->irq_enable_reg |= VSYNC_PIPEA_FLAG;
- if (dev_priv->vblank_pipe & DRM_I915_VBLANK_PIPE_B)
+ break;
+ case 1:
dev_priv->irq_enable_reg |= VSYNC_PIPEB_FLAG;
+ break;
+ default:
+ DRM_ERROR("tried to enable vblank on non-existent crtc %d\n",
+ crtc);
+ break;
+ }
+
+ I915_WRITE16(I915REG_INT_ENABLE_R, dev_priv->irq_enable_reg);
+
+ return 0;
+}
+
+void i915_disable_vblank(struct drm_device *dev, int crtc)
+{
+ drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
+
+ switch (crtc) {
+ case 0:
+ dev_priv->irq_enable_reg &= ~VSYNC_PIPEA_FLAG;
+ break;
+ case 1:
+ dev_priv->irq_enable_reg &= ~VSYNC_PIPEB_FLAG;
+ break;
+ default:
+ DRM_ERROR("tried to disable vblank on non-existent crtc %d\n",
+ crtc);
+ break;
+ }
+
+ I915_WRITE16(I915REG_INT_ENABLE_R, dev_priv->irq_enable_reg);
+}
+
+static void i915_enable_interrupt (struct drm_device *dev)
+{
+ drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
+
+ dev_priv->irq_enable_reg |= USER_INT_FLAG;
I915_WRITE16(I915REG_INT_ENABLE_R, dev_priv->irq_enable_reg);
dev_priv->irq_enabled = 1;
@@ -539,8 +566,6 @@ int i915_vblank_pipe_set(struct drm_device *dev, void *data,
dev_priv->vblank_pipe = pipe->pipe;
- i915_enable_interrupt (dev);
-
return 0;
}
@@ -578,6 +603,7 @@ int i915_vblank_swap(struct drm_device *dev, void *data,
unsigned int pipe, seqtype, curseq, plane;
unsigned long irqflags;
struct list_head *list;
+ int ret;
if (!dev_priv) {
DRM_ERROR("%s called with no initialization\n", __func__);
@@ -621,7 +647,8 @@ int i915_vblank_swap(struct drm_device *dev, void *data,
DRM_SPINUNLOCK_IRQRESTORE(&dev->drw_lock, irqflags);
- curseq = atomic_read(pipe ? &dev->vbl_received2 : &dev->vbl_received);
+ drm_update_vblank_count(dev, pipe);
+ curseq = drm_vblank_count(dev, pipe);
if (seqtype == _DRM_VBLANK_RELATIVE)
swap->sequence += curseq;
@@ -694,6 +721,12 @@ int i915_vblank_swap(struct drm_device *dev, void *data,
DRM_DEBUG("\n");
+ ret = drm_vblank_get(dev, pipe);
+ if (ret) {
+ drm_free(vbl_swap, sizeof(*vbl_swap), DRM_MEM_DRIVER);
+ return ret;
+ }
+
vbl_swap->drw_id = swap->drawable;
vbl_swap->plane = plane;
vbl_swap->sequence = swap->sequence;
@@ -723,9 +756,10 @@ void i915_driver_irq_preinstall(struct drm_device * dev)
I915_WRITE16(I915REG_INT_ENABLE_R, 0x0);
}
-void i915_driver_irq_postinstall(struct drm_device * dev)
+int i915_driver_irq_postinstall(struct drm_device * dev)
{
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
+ int ret, num_pipes = 2;
DRM_SPININIT(&dev_priv->swaps_lock, "swap");
INIT_LIST_HEAD(&dev_priv->vbl_swaps.head);
@@ -733,6 +767,13 @@ void i915_driver_irq_postinstall(struct drm_device * dev)
DRM_SPININIT(&dev_priv->user_irq_lock, "userirq");
dev_priv->user_irq_refcount = 0;
+ dev_priv->irq_enable_reg = 0;
+
+ ret = drm_vblank_init(dev, num_pipes);
+ if (ret)
+ return ret;
+
+ dev->max_vblank_count = 0xffffff; /* only 24 bits of frame count */
i915_enable_interrupt(dev);
DRM_INIT_WAITQUEUE(&dev_priv->irq_queue);
@@ -742,6 +783,7 @@ void i915_driver_irq_postinstall(struct drm_device * dev)
*/
I915_WRITE(I915REG_INSTPM, (1 << 5) | (1 << 21));
+ return 0;
}
void i915_driver_irq_uninstall(struct drm_device * dev)
diff --git a/shared-core/mach64_drv.h b/shared-core/mach64_drv.h
index 91553ce6..fb8a7724 100644
--- a/shared-core/mach64_drv.h
+++ b/shared-core/mach64_drv.h
@@ -96,6 +96,8 @@ typedef struct drm_mach64_private {
unsigned int depth_bpp;
unsigned int depth_offset, depth_pitch;
+ atomic_t vbl_received; /**< Number of vblanks received. */
+
u32 front_offset_pitch;
u32 back_offset_pitch;
u32 depth_offset_pitch;
@@ -160,13 +162,14 @@ extern int mach64_dma_blit(struct drm_device *dev, void *data,
struct drm_file *file_priv);
extern int mach64_get_param(struct drm_device *dev, void *data,
struct drm_file *file_priv);
-extern int mach64_driver_vblank_wait(struct drm_device * dev,
- unsigned int *sequence);
+extern u32 mach64_get_vblank_counter(struct drm_device *dev, int crtc);
+extern int mach64_enable_vblank(struct drm_device *dev, int crtc);
+extern void mach64_disable_vblank(struct drm_device *dev, int crtc);
extern irqreturn_t mach64_driver_irq_handler(DRM_IRQ_ARGS);
-extern void mach64_driver_irq_preinstall(struct drm_device * dev);
-extern void mach64_driver_irq_postinstall(struct drm_device * dev);
-extern void mach64_driver_irq_uninstall(struct drm_device * dev);
+extern void mach64_driver_irq_preinstall(struct drm_device *dev);
+extern int mach64_driver_irq_postinstall(struct drm_device *dev);
+extern void mach64_driver_irq_uninstall(struct drm_device *dev);
/* ================================================================
* Registers
diff --git a/shared-core/mach64_irq.c b/shared-core/mach64_irq.c
index 4122dd91..2d522a6c 100644
--- a/shared-core/mach64_irq.c
+++ b/shared-core/mach64_irq.c
@@ -42,9 +42,8 @@
irqreturn_t mach64_driver_irq_handler(DRM_IRQ_ARGS)
{
- struct drm_device *dev = (struct drm_device *) arg;
- drm_mach64_private_t *dev_priv =
- (drm_mach64_private_t *) dev->dev_private;
+ struct drm_device *dev = arg;
+ drm_mach64_private_t *dev_priv = dev->dev_private;
int status;
status = MACH64_READ(MACH64_CRTC_INT_CNTL);
@@ -62,74 +61,81 @@ irqreturn_t mach64_driver_irq_handler(DRM_IRQ_ARGS)
(status & ~MACH64_CRTC_INT_ACKS)
| MACH64_CRTC_VBLANK_INT);
- atomic_inc(&dev->vbl_received);
- DRM_WAKEUP(&dev->vbl_queue);
- drm_vbl_send_signals(dev);
+ atomic_inc(&dev_priv->vbl_received);
+ drm_handle_vblank(dev, 0);
return IRQ_HANDLED;
}
return IRQ_NONE;
}
-int mach64_driver_vblank_wait(struct drm_device * dev, unsigned int *sequence)
+u32 mach64_get_vblank_counter(struct drm_device * dev, int crtc)
{
- unsigned int cur_vblank;
- int ret = 0;
-
- /* Assume that the user has missed the current sequence number
- * by about a day rather than she wants to wait for years
- * using vertical blanks...
- */
- DRM_WAIT_ON(ret, dev->vbl_queue, 3 * DRM_HZ,
- (((cur_vblank = atomic_read(&dev->vbl_received))
- - *sequence) <= (1 << 23)));
+ const drm_mach64_private_t *const dev_priv = dev->dev_private;
+
+ if (crtc != 0) {
+ return 0;
+ }
+
+ return atomic_read(&dev_priv->vbl_received);
+}
- *sequence = cur_vblank;
+int mach64_enable_vblank(struct drm_device * dev, int crtc)
+{
+ drm_mach64_private_t *dev_priv = dev->dev_private;
+ u32 status = MACH64_READ(MACH64_CRTC_INT_CNTL);
+
+ if (crtc != 0) {
+ DRM_ERROR("tried to enable vblank on non-existent crtc %d\n", crtc);
+ return 0;
+ }
+
+ DRM_DEBUG("before enable vblank CRTC_INT_CTNL: 0x%08x\n", status);
+
+ /* Turn on VBLANK interrupt */
+ MACH64_WRITE(MACH64_CRTC_INT_CNTL, MACH64_READ(MACH64_CRTC_INT_CNTL)
+ | MACH64_CRTC_VBLANK_INT_EN);
- return ret;
+ return 0;
}
-/* drm_dma.h hooks
-*/
-void mach64_driver_irq_preinstall(struct drm_device * dev)
-{
- drm_mach64_private_t *dev_priv =
- (drm_mach64_private_t *) dev->dev_private;
+void mach64_disable_vblank(struct drm_device * dev, int crtc)
+{
+ drm_mach64_private_t *dev_priv = dev->dev_private;
u32 status = MACH64_READ(MACH64_CRTC_INT_CNTL);
- DRM_DEBUG("before install CRTC_INT_CTNL: 0x%08x\n", status);
+ DRM_DEBUG("before disable vblank CRTC_INT_CTNL: 0x%08x\n", status);
/* Disable and clear VBLANK interrupt */
MACH64_WRITE(MACH64_CRTC_INT_CNTL, (status & ~MACH64_CRTC_VBLANK_INT_EN)
| MACH64_CRTC_VBLANK_INT);
}
-void mach64_driver_irq_postinstall(struct drm_device * dev)
+/* drm_dma.h hooks
+*/
+void mach64_driver_irq_preinstall(struct drm_device * dev)
{
- drm_mach64_private_t *dev_priv =
- (drm_mach64_private_t *) dev->dev_private;
+ drm_mach64_private_t *dev_priv = dev->dev_private;
- /* Turn on VBLANK interrupt */
- MACH64_WRITE(MACH64_CRTC_INT_CNTL, MACH64_READ(MACH64_CRTC_INT_CNTL)
- | MACH64_CRTC_VBLANK_INT_EN);
+ u32 status = MACH64_READ(MACH64_CRTC_INT_CNTL);
- DRM_DEBUG("after install CRTC_INT_CTNL: 0x%08x\n",
- MACH64_READ(MACH64_CRTC_INT_CNTL));
+ DRM_DEBUG("before install CRTC_INT_CTNL: 0x%08x\n", status);
+ mach64_disable_vblank(dev,0);
+}
+
+int mach64_driver_irq_postinstall(struct drm_device * dev)
+{
+ return drm_vblank_init(dev, 1);
}
void mach64_driver_irq_uninstall(struct drm_device * dev)
{
- drm_mach64_private_t *dev_priv =
- (drm_mach64_private_t *) dev->dev_private;
+ drm_mach64_private_t *dev_priv = dev->dev_private;
if (!dev_priv)
return;
- /* Disable and clear VBLANK interrupt */
- MACH64_WRITE(MACH64_CRTC_INT_CNTL,
- (MACH64_READ(MACH64_CRTC_INT_CNTL) &
- ~MACH64_CRTC_VBLANK_INT_EN)
- | MACH64_CRTC_VBLANK_INT);
+ mach64_disable_vblank(dev, 0);
DRM_DEBUG("after uninstall CRTC_INT_CTNL: 0x%08x\n",
MACH64_READ(MACH64_CRTC_INT_CNTL));
diff --git a/shared-core/mga_drv.h b/shared-core/mga_drv.h
index 9fef92d6..bf3be808 100644
--- a/shared-core/mga_drv.h
+++ b/shared-core/mga_drv.h
@@ -113,13 +113,14 @@ typedef struct drm_mga_private {
* \sa drm_mga_private_t::mmio
*/
/*@{*/
- u32 mmio_base; /**< Bus address of base of MMIO. */
- u32 mmio_size; /**< Size of the MMIO region. */
+ u32 mmio_base; /**< Bus address of base of MMIO. */
+ u32 mmio_size; /**< Size of the MMIO region. */
/*@}*/
u32 clear_cmd;
u32 maccess;
+ atomic_t vbl_received; /**< Number of vblanks received. */
wait_queue_head_t fence_queue;
atomic_t last_fence_retired;
u32 next_fence_to_post;
@@ -181,11 +182,14 @@ extern int mga_warp_install_microcode(drm_mga_private_t * dev_priv);
extern int mga_warp_init(drm_mga_private_t * dev_priv);
/* mga_irq.c */
+extern int mga_enable_vblank(struct drm_device *dev, int crtc);
+extern void mga_disable_vblank(struct drm_device *dev, int crtc);
+extern u32 mga_get_vblank_counter(struct drm_device *dev, int crtc);
extern int mga_driver_fence_wait(struct drm_device * dev, unsigned int *sequence);
extern int mga_driver_vblank_wait(struct drm_device * dev, unsigned int *sequence);
extern irqreturn_t mga_driver_irq_handler(DRM_IRQ_ARGS);
extern void mga_driver_irq_preinstall(struct drm_device * dev);
-extern void mga_driver_irq_postinstall(struct drm_device * dev);
+extern int mga_driver_irq_postinstall(struct drm_device * dev);
extern void mga_driver_irq_uninstall(struct drm_device * dev);
extern long mga_compat_ioctl(struct file *filp, unsigned int cmd,
unsigned long arg);
diff --git a/shared-core/mga_irq.c b/shared-core/mga_irq.c
index 0f83577f..4fe86322 100644
--- a/shared-core/mga_irq.c
+++ b/shared-core/mga_irq.c
@@ -36,6 +36,20 @@
#include "mga_drm.h"
#include "mga_drv.h"
+u32 mga_get_vblank_counter(struct drm_device *dev, int crtc)
+{
+ const drm_mga_private_t *const dev_priv =
+ (drm_mga_private_t *) dev->dev_private;
+
+ if (crtc != 0) {
+ return 0;
+ }
+
+
+ return atomic_read(&dev_priv->vbl_received);
+}
+
+
irqreturn_t mga_driver_irq_handler(DRM_IRQ_ARGS)
{
struct drm_device *dev = (struct drm_device *) arg;
@@ -48,9 +62,8 @@ irqreturn_t mga_driver_irq_handler(DRM_IRQ_ARGS)
/* VBLANK interrupt */
if (status & MGA_VLINEPEN) {
MGA_WRITE(MGA_ICLEAR, MGA_VLINEICLR);
- atomic_inc(&dev->vbl_received);
- DRM_WAKEUP(&dev->vbl_queue);
- drm_vbl_send_signals(dev);
+ atomic_inc(&dev_priv->vbl_received);
+ drm_handle_vblank(dev, 0);
handled = 1;
}
@@ -79,22 +92,34 @@ irqreturn_t mga_driver_irq_handler(DRM_IRQ_ARGS)
return IRQ_NONE;
}
-int mga_driver_vblank_wait(struct drm_device * dev, unsigned int *sequence)
+int mga_enable_vblank(struct drm_device *dev, int crtc)
{
- unsigned int cur_vblank;
- int ret = 0;
+ drm_mga_private_t *dev_priv = (drm_mga_private_t *) dev->dev_private;
- /* Assume that the user has missed the current sequence number
- * by about a day rather than she wants to wait for years
- * using vertical blanks...
- */
- DRM_WAIT_ON(ret, dev->vbl_queue, 3 * DRM_HZ,
- (((cur_vblank = atomic_read(&dev->vbl_received))
- - *sequence) <= (1 << 23)));
+ if (crtc != 0) {
+ DRM_ERROR("tried to enable vblank on non-existent crtc %d\n",
+ crtc);
+ return 0;
+ }
- *sequence = cur_vblank;
+ MGA_WRITE(MGA_IEN, MGA_VLINEIEN | MGA_SOFTRAPEN);
+ return 0;
+}
- return ret;
+
+void mga_disable_vblank(struct drm_device *dev, int crtc)
+{
+ if (crtc != 0) {
+ DRM_ERROR("tried to disable vblank on non-existent crtc %d\n",
+ crtc);
+ }
+
+ /* Do *NOT* disable the vertical refresh interrupt. MGA doesn't have
+ * a nice hardware counter that tracks the number of refreshes when
+ * the interrupt is disabled, and the kernel doesn't know the refresh
+ * rate to calculate an estimate.
+ */
+ /* MGA_WRITE(MGA_IEN, MGA_VLINEIEN | MGA_SOFTRAPEN); */
}
int mga_driver_fence_wait(struct drm_device * dev, unsigned int *sequence)
@@ -126,14 +151,22 @@ void mga_driver_irq_preinstall(struct drm_device * dev)
MGA_WRITE(MGA_ICLEAR, ~0);
}
-void mga_driver_irq_postinstall(struct drm_device * dev)
+int mga_driver_irq_postinstall(struct drm_device * dev)
{
drm_mga_private_t *dev_priv = (drm_mga_private_t *) dev->dev_private;
+ int ret;
+
+ ret = drm_vblank_init(dev, 1);
+ if (ret)
+ return ret;
DRM_INIT_WAITQUEUE(&dev_priv->fence_queue);
- /* Turn on vertical blank interrupt and soft trap interrupt. */
- MGA_WRITE(MGA_IEN, MGA_VLINEIEN | MGA_SOFTRAPEN);
+ /* Turn on soft trap interrupt. Vertical blank interrupts are enabled
+ * in mga_enable_vblank.
+ */
+ MGA_WRITE(MGA_IEN, MGA_SOFTRAPEN);
+ return 0;
}
void mga_driver_irq_uninstall(struct drm_device * dev)
diff --git a/shared-core/nouveau_drv.h b/shared-core/nouveau_drv.h
index 85a0d0b5..4184aa5b 100644
--- a/shared-core/nouveau_drv.h
+++ b/shared-core/nouveau_drv.h
@@ -432,7 +432,7 @@ extern int nouveau_ioctl_gpuobj_free(struct drm_device *, void *data,
/* nouveau_irq.c */
extern irqreturn_t nouveau_irq_handler(DRM_IRQ_ARGS);
extern void nouveau_irq_preinstall(struct drm_device *);
-extern void nouveau_irq_postinstall(struct drm_device *);
+extern int nouveau_irq_postinstall(struct drm_device *);
extern void nouveau_irq_uninstall(struct drm_device *);
/* nouveau_sgdma.c */
diff --git a/shared-core/nouveau_irq.c b/shared-core/nouveau_irq.c
index 500fda2f..bceb81ab 100644
--- a/shared-core/nouveau_irq.c
+++ b/shared-core/nouveau_irq.c
@@ -46,13 +46,15 @@ nouveau_irq_preinstall(struct drm_device *dev)
NV_WRITE(NV03_PMC_INTR_EN_0, 0);
}
-void
+int
nouveau_irq_postinstall(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
/* Master enable */
NV_WRITE(NV03_PMC_INTR_EN_0, NV_PMC_INTR_EN_0_MASTER_ENABLE);
+
+ return 0;
}
void
diff --git a/shared-core/r128_drv.h b/shared-core/r128_drv.h
index 6d65f378..ab8b6297 100644
--- a/shared-core/r128_drv.h
+++ b/shared-core/r128_drv.h
@@ -97,6 +97,8 @@ typedef struct drm_r128_private {
u32 crtc_offset;
u32 crtc_offset_cntl;
+ atomic_t vbl_received;
+
u32 color_fmt;
unsigned int front_offset;
unsigned int front_pitch;
@@ -149,11 +151,12 @@ extern int r128_wait_ring(drm_r128_private_t * dev_priv, int n);
extern int r128_do_cce_idle(drm_r128_private_t * dev_priv);
extern int r128_do_cleanup_cce(struct drm_device * dev);
-extern int r128_driver_vblank_wait(struct drm_device * dev, unsigned int *sequence);
-
+extern int r128_enable_vblank(struct drm_device *dev, int crtc);
+extern void r128_disable_vblank(struct drm_device *dev, int crtc);
+extern u32 r128_get_vblank_counter(struct drm_device *dev, int crtc);
extern irqreturn_t r128_driver_irq_handler(DRM_IRQ_ARGS);
extern void r128_driver_irq_preinstall(struct drm_device * dev);
-extern void r128_driver_irq_postinstall(struct drm_device * dev);
+extern int r128_driver_irq_postinstall(struct drm_device * dev);
extern void r128_driver_irq_uninstall(struct drm_device * dev);
extern void r128_driver_lastclose(struct drm_device * dev);
extern void r128_driver_preclose(struct drm_device * dev,
diff --git a/shared-core/r128_irq.c b/shared-core/r128_irq.c
index c76fdca7..5b95bd89 100644
--- a/shared-core/r128_irq.c
+++ b/shared-core/r128_irq.c
@@ -35,6 +35,16 @@
#include "r128_drm.h"
#include "r128_drv.h"
+u32 r128_get_vblank_counter(struct drm_device *dev, int crtc)
+{
+ const drm_r128_private_t *dev_priv = dev->dev_private;
+
+ if (crtc != 0)
+ return 0;
+
+ return atomic_read(&dev_priv->vbl_received);
+}
+
irqreturn_t r128_driver_irq_handler(DRM_IRQ_ARGS)
{
struct drm_device *dev = (struct drm_device *) arg;
@@ -46,30 +56,38 @@ irqreturn_t r128_driver_irq_handler(DRM_IRQ_ARGS)
/* VBLANK interrupt */
if (status & R128_CRTC_VBLANK_INT) {
R128_WRITE(R128_GEN_INT_STATUS, R128_CRTC_VBLANK_INT_AK);
- atomic_inc(&dev->vbl_received);
- DRM_WAKEUP(&dev->vbl_queue);
- drm_vbl_send_signals(dev);
+ atomic_inc(&dev_priv->vbl_received);
+ drm_handle_vblank(dev, 0);
return IRQ_HANDLED;
}
return IRQ_NONE;
}
-int r128_driver_vblank_wait(struct drm_device * dev, unsigned int *sequence)
+int r128_enable_vblank(struct drm_device *dev, int crtc)
{
- unsigned int cur_vblank;
- int ret = 0;
+ drm_r128_private_t *dev_priv = dev->dev_private;
- /* Assume that the user has missed the current sequence number
- * by about a day rather than she wants to wait for years
- * using vertical blanks...
- */
- DRM_WAIT_ON(ret, dev->vbl_queue, 3 * DRM_HZ,
- (((cur_vblank = atomic_read(&dev->vbl_received))
- - *sequence) <= (1 << 23)));
+ if (crtc != 0) {
+ DRM_ERROR("%s: bad crtc %d\n", __FUNCTION__, crtc);
+ return -EINVAL;
+ }
- *sequence = cur_vblank;
+ R128_WRITE(R128_GEN_INT_CNTL, R128_CRTC_VBLANK_INT_EN);
+ return 0;
+}
+
+void r128_disable_vblank(struct drm_device *dev, int crtc)
+{
+ if (crtc != 0)
+ DRM_ERROR("%s: bad crtc %d\n", __FUNCTION__, crtc);
- return ret;
+ /*
+ * FIXME: implement proper interrupt disable by using the vblank
+ * counter register (if available)
+ *
+ * R128_WRITE(R128_GEN_INT_CNTL,
+ * R128_READ(R128_GEN_INT_CNTL) & ~R128_CRTC_VBLANK_INT_EN);
+ */
}
void r128_driver_irq_preinstall(struct drm_device * dev)
@@ -82,12 +100,9 @@ void r128_driver_irq_preinstall(struct drm_device * dev)
R128_WRITE(R128_GEN_INT_STATUS, R128_CRTC_VBLANK_INT_AK);
}
-void r128_driver_irq_postinstall(struct drm_device * dev)
+int r128_driver_irq_postinstall(struct drm_device * dev)
{
- drm_r128_private_t *dev_priv = (drm_r128_private_t *) dev->dev_private;
-
- /* Turn on VBL interrupt */
- R128_WRITE(R128_GEN_INT_CNTL, R128_CRTC_VBLANK_INT_EN);
+ return drm_vblank_init(dev, 1);
}
void r128_driver_irq_uninstall(struct drm_device * dev)
diff --git a/shared-core/radeon_drv.h b/shared-core/radeon_drv.h
index c7278809..bd51de14 100644
--- a/shared-core/radeon_drv.h
+++ b/shared-core/radeon_drv.h
@@ -305,6 +305,9 @@ typedef struct drm_radeon_private {
u32 scratch_ages[5];
+ unsigned int crtc_last_cnt;
+ unsigned int crtc2_last_cnt;
+
/* starting from here on, data is preserved accross an open */
uint32_t flags; /* see radeon_chip_flags */
unsigned long fb_aper_offset;
@@ -372,13 +375,13 @@ extern int radeon_irq_emit(struct drm_device *dev, void *data, struct drm_file *
extern int radeon_irq_wait(struct drm_device *dev, void *data, struct drm_file *file_priv);
extern void radeon_do_release(struct drm_device * dev);
-extern int radeon_driver_vblank_wait(struct drm_device * dev,
- unsigned int *sequence);
-extern int radeon_driver_vblank_wait2(struct drm_device * dev,
- unsigned int *sequence);
+extern u32 radeon_get_vblank_counter(struct drm_device *dev, int crtc);
+extern int radeon_enable_vblank(struct drm_device *dev, int crtc);
+extern void radeon_disable_vblank(struct drm_device *dev, int crtc);
+extern void radeon_do_release(struct drm_device * dev);
extern irqreturn_t radeon_driver_irq_handler(DRM_IRQ_ARGS);
extern void radeon_driver_irq_preinstall(struct drm_device * dev);
-extern void radeon_driver_irq_postinstall(struct drm_device * dev);
+extern int radeon_driver_irq_postinstall(struct drm_device * dev);
extern void radeon_driver_irq_uninstall(struct drm_device * dev);
extern int radeon_vblank_crtc_get(struct drm_device *dev);
extern int radeon_vblank_crtc_set(struct drm_device *dev, int64_t value);
@@ -528,6 +531,12 @@ extern int r300_do_cp_cmdbuf(struct drm_device *dev,
? DRM_READ32( dev_priv->ring_rptr, RADEON_SCRATCHOFF(x) ) \
: RADEON_READ( RADEON_SCRATCH_REG0 + 4*(x) ) )
+#define RADEON_CRTC_CRNT_FRAME 0x0214
+#define RADEON_CRTC2_CRNT_FRAME 0x0314
+
+#define RADEON_CRTC_STATUS 0x005c
+#define RADEON_CRTC2_STATUS 0x03fc
+
#define RADEON_GEN_INT_CNTL 0x0040
# define RADEON_CRTC_VBLANK_MASK (1 << 0)
# define RADEON_CRTC2_VBLANK_MASK (1 << 9)
diff --git a/shared-core/radeon_irq.c b/shared-core/radeon_irq.c
index 7e202d23..79e4e866 100644
--- a/shared-core/radeon_irq.c
+++ b/shared-core/radeon_irq.c
@@ -35,12 +35,61 @@
#include "radeon_drm.h"
#include "radeon_drv.h"
-static __inline__ u32 radeon_acknowledge_irqs(drm_radeon_private_t * dev_priv,
- u32 mask)
+static void radeon_irq_set_state(struct drm_device *dev, u32 mask, int state)
{
- u32 irqs = RADEON_READ(RADEON_GEN_INT_STATUS) & mask;
+ drm_radeon_private_t *dev_priv = dev->dev_private;
+
+ if (state)
+ dev_priv->irq_enable_reg |= mask;
+ else
+ dev_priv->irq_enable_reg &= ~mask;
+
+ RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg);
+}
+
+int radeon_enable_vblank(struct drm_device *dev, int crtc)
+{
+ switch (crtc) {
+ case 0:
+ radeon_irq_set_state(dev, RADEON_CRTC_VBLANK_MASK, 1);
+ break;
+ case 1:
+ radeon_irq_set_state(dev, RADEON_CRTC2_VBLANK_MASK, 1);
+ break;
+ default:
+ DRM_ERROR("tried to enable vblank on non-existent crtc %d\n",
+ crtc);
+ return EINVAL;
+ }
+
+ return 0;
+}
+
+void radeon_disable_vblank(struct drm_device *dev, int crtc)
+{
+ switch (crtc) {
+ case 0:
+ radeon_irq_set_state(dev, RADEON_CRTC_VBLANK_MASK, 0);
+ break;
+ case 1:
+ radeon_irq_set_state(dev, RADEON_CRTC2_VBLANK_MASK, 0);
+ break;
+ default:
+ DRM_ERROR("tried to enable vblank on non-existent crtc %d\n",
+ crtc);
+ break;
+ }
+}
+
+static __inline__ u32 radeon_acknowledge_irqs(drm_radeon_private_t * dev_priv)
+{
+ u32 irqs = RADEON_READ(RADEON_GEN_INT_STATUS) &
+ (RADEON_SW_INT_TEST | RADEON_CRTC_VBLANK_STAT |
+ RADEON_CRTC2_VBLANK_STAT);
+
if (irqs)
RADEON_WRITE(RADEON_GEN_INT_STATUS, irqs);
+
return irqs;
}
@@ -72,39 +121,21 @@ irqreturn_t radeon_driver_irq_handler(DRM_IRQ_ARGS)
/* Only consider the bits we're interested in - others could be used
* outside the DRM
*/
- stat = radeon_acknowledge_irqs(dev_priv, (RADEON_SW_INT_TEST_ACK |
- RADEON_CRTC_VBLANK_STAT |
- RADEON_CRTC2_VBLANK_STAT));
+ stat = radeon_acknowledge_irqs(dev_priv);
if (!stat)
return IRQ_NONE;
stat &= dev_priv->irq_enable_reg;
/* SW interrupt */
- if (stat & RADEON_SW_INT_TEST) {
+ if (stat & RADEON_SW_INT_TEST)
DRM_WAKEUP(&dev_priv->swi_queue);
- }
/* VBLANK interrupt */
- if (stat & (RADEON_CRTC_VBLANK_STAT|RADEON_CRTC2_VBLANK_STAT)) {
- int vblank_crtc = dev_priv->vblank_crtc;
-
- if ((vblank_crtc &
- (DRM_RADEON_VBLANK_CRTC1 | DRM_RADEON_VBLANK_CRTC2)) ==
- (DRM_RADEON_VBLANK_CRTC1 | DRM_RADEON_VBLANK_CRTC2)) {
- if (stat & RADEON_CRTC_VBLANK_STAT)
- atomic_inc(&dev->vbl_received);
- if (stat & RADEON_CRTC2_VBLANK_STAT)
- atomic_inc(&dev->vbl_received2);
- } else if (((stat & RADEON_CRTC_VBLANK_STAT) &&
- (vblank_crtc & DRM_RADEON_VBLANK_CRTC1)) ||
- ((stat & RADEON_CRTC2_VBLANK_STAT) &&
- (vblank_crtc & DRM_RADEON_VBLANK_CRTC2)))
- atomic_inc(&dev->vbl_received);
-
- DRM_WAKEUP(&dev->vbl_queue);
- drm_vbl_send_signals(dev);
- }
+ if (stat & RADEON_CRTC_VBLANK_STAT)
+ drm_handle_vblank(dev, 0);
+ if (stat & RADEON_CRTC2_VBLANK_STAT)
+ drm_handle_vblank(dev, 1);
return IRQ_HANDLED;
}
@@ -144,54 +175,27 @@ static int radeon_wait_irq(struct drm_device * dev, int swi_nr)
return ret;
}
-static int radeon_driver_vblank_do_wait(struct drm_device * dev,
- unsigned int *sequence, int crtc)
+u32 radeon_get_vblank_counter(struct drm_device *dev, int crtc)
{
- drm_radeon_private_t *dev_priv =
- (drm_radeon_private_t *) dev->dev_private;
- unsigned int cur_vblank;
- int ret = 0;
- int ack = 0;
- atomic_t *counter;
+ drm_radeon_private_t *dev_priv = dev->dev_private;
+ u32 crtc_cnt_reg, crtc_status_reg;
+
if (!dev_priv) {
DRM_ERROR("called with no initialization\n");
return -EINVAL;
}
- if (crtc == DRM_RADEON_VBLANK_CRTC1) {
- counter = &dev->vbl_received;
- ack |= RADEON_CRTC_VBLANK_STAT;
- } else if (crtc == DRM_RADEON_VBLANK_CRTC2) {
- counter = &dev->vbl_received2;
- ack |= RADEON_CRTC2_VBLANK_STAT;
- } else
+ if (crtc == 0) {
+ crtc_cnt_reg = RADEON_CRTC_CRNT_FRAME;
+ crtc_status_reg = RADEON_CRTC_STATUS;
+ } else if (crtc == 1) {
+ crtc_cnt_reg = RADEON_CRTC2_CRNT_FRAME;
+ crtc_status_reg = RADEON_CRTC2_STATUS;
+ } else {
return -EINVAL;
+ }
- radeon_acknowledge_irqs(dev_priv, ack);
-
- dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
-
- /* Assume that the user has missed the current sequence number
- * by about a day rather than she wants to wait for years
- * using vertical blanks...
- */
- DRM_WAIT_ON(ret, dev->vbl_queue, 3 * DRM_HZ,
- (((cur_vblank = atomic_read(counter))
- - *sequence) <= (1 << 23)));
-
- *sequence = cur_vblank;
-
- return ret;
-}
-
-int radeon_driver_vblank_wait(struct drm_device *dev, unsigned int *sequence)
-{
- return radeon_driver_vblank_do_wait(dev, sequence, DRM_RADEON_VBLANK_CRTC1);
-}
-
-int radeon_driver_vblank_wait2(struct drm_device *dev, unsigned int *sequence)
-{
- return radeon_driver_vblank_do_wait(dev, sequence, DRM_RADEON_VBLANK_CRTC2);
+ return RADEON_READ(crtc_cnt_reg) + (RADEON_READ(crtc_status_reg) & 1);
}
/* Needs the lock as it touches the ring.
@@ -234,21 +238,6 @@ int radeon_irq_wait(struct drm_device *dev, void *data, struct drm_file *file_pr
return radeon_wait_irq(dev, irqwait->irq_seq);
}
-static void radeon_enable_interrupt(struct drm_device *dev)
-{
- drm_radeon_private_t *dev_priv = (drm_radeon_private_t *) dev->dev_private;
-
- dev_priv->irq_enable_reg = RADEON_SW_INT_ENABLE;
- if (dev_priv->vblank_crtc & DRM_RADEON_VBLANK_CRTC1)
- dev_priv->irq_enable_reg |= RADEON_CRTC_VBLANK_MASK;
-
- if (dev_priv->vblank_crtc & DRM_RADEON_VBLANK_CRTC2)
- dev_priv->irq_enable_reg |= RADEON_CRTC2_VBLANK_MASK;
-
- RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg);
- dev_priv->irq_enabled = 1;
-}
-
/* drm_dma.h hooks
*/
void radeon_driver_irq_preinstall(struct drm_device * dev)
@@ -260,20 +249,27 @@ void radeon_driver_irq_preinstall(struct drm_device * dev)
RADEON_WRITE(RADEON_GEN_INT_CNTL, 0);
/* Clear bits if they're already high */
- radeon_acknowledge_irqs(dev_priv, (RADEON_SW_INT_TEST_ACK |
- RADEON_CRTC_VBLANK_STAT |
- RADEON_CRTC2_VBLANK_STAT));
+ radeon_acknowledge_irqs(dev_priv);
}
-void radeon_driver_irq_postinstall(struct drm_device * dev)
+int radeon_driver_irq_postinstall(struct drm_device * dev)
{
drm_radeon_private_t *dev_priv =
(drm_radeon_private_t *) dev->dev_private;
+ int ret;
atomic_set(&dev_priv->swi_emitted, 0);
DRM_INIT_WAITQUEUE(&dev_priv->swi_queue);
- radeon_enable_interrupt(dev);
+ ret = drm_vblank_init(dev, 2);
+ if (ret)
+ return ret;
+
+ dev->max_vblank_count = 0x001fffff;
+
+ radeon_irq_set_state(dev, RADEON_SW_INT_ENABLE, 1);
+
+ return 0;
}
void radeon_driver_irq_uninstall(struct drm_device * dev)
@@ -315,6 +311,5 @@ int radeon_vblank_crtc_set(struct drm_device *dev, int64_t value)
return -EINVAL;
}
dev_priv->vblank_crtc = (unsigned int)value;
- radeon_enable_interrupt(dev);
return 0;
}
diff --git a/shared-core/via_drv.c b/shared-core/via_drv.c
index 6528a7c1..a802e4ae 100644
--- a/shared-core/via_drv.c
+++ b/shared-core/via_drv.c
@@ -83,14 +83,16 @@ static int probe(struct pci_dev *pdev, const struct pci_device_id *ent);
static struct drm_driver driver = {
.driver_features =
DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_HAVE_IRQ |
- DRIVER_IRQ_SHARED | DRIVER_IRQ_VBL,
+ DRIVER_IRQ_SHARED,
.load = via_driver_load,
.unload = via_driver_unload,
#ifndef VIA_HAVE_CORE_MM
.context_ctor = via_init_context,
#endif
.context_dtor = via_final_context,
- .vblank_wait = via_driver_vblank_wait,
+ .get_vblank_counter = via_get_vblank_counter,
+ .enable_vblank = via_enable_vblank,
+ .disable_vblank = via_disable_vblank,
.irq_preinstall = via_driver_irq_preinstall,
.irq_postinstall = via_driver_irq_postinstall,
.irq_uninstall = via_driver_irq_uninstall,
diff --git a/shared-core/via_drv.h b/shared-core/via_drv.h
index 39aedb1d..8dd4a727 100644
--- a/shared-core/via_drv.h
+++ b/shared-core/via_drv.h
@@ -102,6 +102,7 @@ typedef struct drm_via_private {
struct timeval last_vblank;
int last_vblank_valid;
unsigned usec_per_vblank;
+ atomic_t vbl_received;
drm_via_state_t hc_state;
char pci_buf[VIA_PCI_BUF_SIZE];
const uint32_t *fire_offsets[VIA_FIRE_BUF_SIZE];
@@ -166,11 +167,13 @@ extern int via_driver_unload(struct drm_device *dev);
extern int via_final_context(struct drm_device * dev, int context);
extern int via_do_cleanup_map(struct drm_device * dev);
-extern int via_driver_vblank_wait(struct drm_device * dev, unsigned int *sequence);
+extern u32 via_get_vblank_counter(struct drm_device *dev, int crtc);
+extern int via_enable_vblank(struct drm_device *dev, int crtc);
+extern void via_disable_vblank(struct drm_device *dev, int crtc);
extern irqreturn_t via_driver_irq_handler(DRM_IRQ_ARGS);
extern void via_driver_irq_preinstall(struct drm_device * dev);
-extern void via_driver_irq_postinstall(struct drm_device * dev);
+extern int via_driver_irq_postinstall(struct drm_device * dev);
extern void via_driver_irq_uninstall(struct drm_device * dev);
extern int via_dma_cleanup(struct drm_device * dev);
diff --git a/shared-core/via_irq.c b/shared-core/via_irq.c
index 2f9b203a..b8e652e6 100644
--- a/shared-core/via_irq.c
+++ b/shared-core/via_irq.c
@@ -96,6 +96,15 @@ static unsigned time_diff(struct timeval *now,struct timeval *then)
1000000 - (then->tv_usec - now->tv_usec);
}
+u32 via_get_vblank_counter(struct drm_device *dev, int crtc)
+{
+ drm_via_private_t *dev_priv = dev->dev_private;
+ if (crtc != 0)
+ return 0;
+
+ return atomic_read(&dev_priv->vbl_received);
+}
+
irqreturn_t via_driver_irq_handler(DRM_IRQ_ARGS)
{
struct drm_device *dev = (struct drm_device *) arg;
@@ -108,8 +117,8 @@ irqreturn_t via_driver_irq_handler(DRM_IRQ_ARGS)
status = VIA_READ(VIA_REG_INTERRUPT);
if (status & VIA_IRQ_VBLANK_PENDING) {
- atomic_inc(&dev->vbl_received);
- if (!(atomic_read(&dev->vbl_received) & 0x0F)) {
+ atomic_inc(&dev_priv->vbl_received);
+ if (!(atomic_read(&dev_priv->vbl_received) & 0x0F)) {
#ifdef __linux__
do_gettimeofday(&cur_vblank);
#else
@@ -123,12 +132,11 @@ irqreturn_t via_driver_irq_handler(DRM_IRQ_ARGS)
dev_priv->last_vblank = cur_vblank;
dev_priv->last_vblank_valid = 1;
}
- if (!(atomic_read(&dev->vbl_received) & 0xFF)) {
+ if (!(atomic_read(&dev_priv->vbl_received) & 0xFF)) {
DRM_DEBUG("US per vblank is: %u\n",
dev_priv->usec_per_vblank);
}
- DRM_WAKEUP(&dev->vbl_queue);
- drm_vbl_send_signals(dev);
+ drm_handle_vblank(dev, 0);
handled = 1;
}
@@ -170,31 +178,25 @@ static __inline__ void viadrv_acknowledge_irqs(drm_via_private_t * dev_priv)
}
}
-int via_driver_vblank_wait(struct drm_device * dev, unsigned int *sequence)
+int via_enable_vblank(struct drm_device *dev, int crtc)
{
- drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private;
- unsigned int cur_vblank;
- int ret = 0;
+ drm_via_private_t *dev_priv = dev->dev_private;
+ u32 status;
- DRM_DEBUG("\n");
- if (!dev_priv) {
- DRM_ERROR("called with no initialization\n");
+ if (crtc != 0) {
+ DRM_ERROR("%s: bad crtc %d\n", __FUNCTION__, crtc);
return -EINVAL;
}
- viadrv_acknowledge_irqs(dev_priv);
-
- /* Assume that the user has missed the current sequence number
- * by about a day rather than she wants to wait for years
- * using vertical blanks...
- */
-
- DRM_WAIT_ON(ret, dev->vbl_queue, 3 * DRM_HZ,
- (((cur_vblank = atomic_read(&dev->vbl_received)) -
- *sequence) <= (1 << 23)));
+ status = VIA_READ(VIA_REG_INTERRUPT);
+ VIA_WRITE(VIA_REG_INTERRUPT, status & VIA_IRQ_VBLANK_ENABLE);
+ return 0;
+}
- *sequence = cur_vblank;
- return ret;
+void via_disable_vblank(struct drm_device *dev, int crtc)
+{
+ if (crtc != 0)
+ DRM_ERROR("%s: bad crtc %d\n", __FUNCTION__, crtc);
}
static int
@@ -300,23 +302,24 @@ void via_driver_irq_preinstall(struct drm_device * dev)
}
}
-void via_driver_irq_postinstall(struct drm_device * dev)
+int via_driver_irq_postinstall(struct drm_device * dev)
{
drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private;
u32 status;
- DRM_DEBUG("\n");
- if (dev_priv) {
- status = VIA_READ(VIA_REG_INTERRUPT);
- VIA_WRITE(VIA_REG_INTERRUPT, status | VIA_IRQ_GLOBAL
- | dev_priv->irq_enable_mask);
+ DRM_DEBUG("via_driver_irq_postinstall\n");
+ if (!dev_priv)
+ return -EINVAL;
- /* Some magic, oh for some data sheets ! */
+ status = VIA_READ(VIA_REG_INTERRUPT);
+ VIA_WRITE(VIA_REG_INTERRUPT, status | VIA_IRQ_GLOBAL
+ | dev_priv->irq_enable_mask);
- VIA_WRITE8(0x83d4, 0x11);
- VIA_WRITE8(0x83d5, VIA_READ8(0x83d5) | 0x30);
+ /* Some magic, oh for some data sheets ! */
+ VIA_WRITE8(0x83d4, 0x11);
+ VIA_WRITE8(0x83d5, VIA_READ8(0x83d5) | 0x30);
- }
+ return 0;
}
void via_driver_irq_uninstall(struct drm_device * dev)