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Diffstat (limited to 'shared-core/mach64_dma.c')
-rw-r--r--shared-core/mach64_dma.c167
1 files changed, 77 insertions, 90 deletions
diff --git a/shared-core/mach64_dma.c b/shared-core/mach64_dma.c
index 411b98d5..339234fa 100644
--- a/shared-core/mach64_dma.c
+++ b/shared-core/mach64_dma.c
@@ -57,7 +57,7 @@
* \returns zero on success, or -EBUSY if the timeout (specificed by
* drm_mach64_private::usec_timeout) occurs.
*/
-int mach64_do_wait_for_fifo(drm_mach64_private_t * dev_priv, int entries)
+int mach64_do_wait_for_fifo(drm_mach64_private_t *dev_priv, int entries)
{
int slots = 0, i;
@@ -68,15 +68,14 @@ int mach64_do_wait_for_fifo(drm_mach64_private_t * dev_priv, int entries)
DRM_UDELAY(1);
}
- DRM_INFO("%s failed! slots=%d entries=%d\n", __FUNCTION__, slots,
- entries);
+ DRM_INFO("failed! slots=%d entries=%d\n", slots, entries);
return -EBUSY;
}
/**
* Wait for the draw engine to be idle.
*/
-int mach64_do_wait_for_idle(drm_mach64_private_t * dev_priv)
+int mach64_do_wait_for_idle(drm_mach64_private_t *dev_priv)
{
int i, ret;
@@ -85,14 +84,12 @@ int mach64_do_wait_for_idle(drm_mach64_private_t * dev_priv)
return ret;
for (i = 0; i < dev_priv->usec_timeout; i++) {
- if (!(MACH64_READ(MACH64_GUI_STAT) & MACH64_GUI_ACTIVE)) {
+ if (!(MACH64_READ(MACH64_GUI_STAT) & MACH64_GUI_ACTIVE))
return 0;
- }
DRM_UDELAY(1);
}
- DRM_INFO("%s failed! GUI_STAT=0x%08x\n", __FUNCTION__,
- MACH64_READ(MACH64_GUI_STAT));
+ DRM_INFO("failed! GUI_STAT=0x%08x\n", MACH64_READ(MACH64_GUI_STAT));
mach64_dump_ring_info(dev_priv);
return -EBUSY;
}
@@ -116,7 +113,7 @@ int mach64_do_wait_for_idle(drm_mach64_private_t * dev_priv)
*
* \sa mach64_dump_ring_info()
*/
-int mach64_wait_ring(drm_mach64_private_t * dev_priv, int n)
+int mach64_wait_ring(drm_mach64_private_t *dev_priv, int n)
{
drm_mach64_descriptor_ring_t *ring = &dev_priv->ring;
int i;
@@ -124,9 +121,8 @@ int mach64_wait_ring(drm_mach64_private_t * dev_priv, int n)
for (i = 0; i < dev_priv->usec_timeout; i++) {
mach64_update_ring_snapshot(dev_priv);
if (ring->space >= n) {
- if (i > 0) {
- DRM_DEBUG("%s: %d usecs\n", __FUNCTION__, i);
- }
+ if (i > 0)
+ DRM_DEBUG("%d usecs\n", i);
return 0;
}
DRM_UDELAY(1);
@@ -143,7 +139,7 @@ int mach64_wait_ring(drm_mach64_private_t * dev_priv, int n)
*
* \sa mach64_wait_ring()
*/
-static int mach64_ring_idle(drm_mach64_private_t * dev_priv)
+static int mach64_ring_idle(drm_mach64_private_t *dev_priv)
{
drm_mach64_descriptor_ring_t *ring = &dev_priv->ring;
u32 head;
@@ -155,9 +151,8 @@ static int mach64_ring_idle(drm_mach64_private_t * dev_priv)
mach64_update_ring_snapshot(dev_priv);
if (ring->head == ring->tail &&
!(MACH64_READ(MACH64_GUI_STAT) & MACH64_GUI_ACTIVE)) {
- if (i > 0) {
- DRM_DEBUG("%s: %d usecs\n", __FUNCTION__, i);
- }
+ if (i > 0)
+ DRM_DEBUG("%d usecs\n", i);
return 0;
}
if (ring->head == head) {
@@ -169,8 +164,7 @@ static int mach64_ring_idle(drm_mach64_private_t * dev_priv)
DRM_UDELAY(1);
}
- DRM_INFO("%s failed! GUI_STAT=0x%08x\n", __FUNCTION__,
- MACH64_READ(MACH64_GUI_STAT));
+ DRM_INFO("failed! GUI_STAT=0x%08x\n", MACH64_READ(MACH64_GUI_STAT));
mach64_dump_ring_info(dev_priv);
return -EBUSY;
}
@@ -180,7 +174,7 @@ static int mach64_ring_idle(drm_mach64_private_t * dev_priv)
*
* \sa mach64_do_engine_reset()
*/
-static void mach64_ring_reset(drm_mach64_private_t * dev_priv)
+static void mach64_ring_reset(drm_mach64_private_t *dev_priv)
{
drm_mach64_descriptor_ring_t *ring = &dev_priv->ring;
@@ -198,7 +192,7 @@ static void mach64_ring_reset(drm_mach64_private_t * dev_priv)
/**
* Ensure the all the queued commands will be processed.
*/
-int mach64_do_dma_flush(drm_mach64_private_t * dev_priv)
+int mach64_do_dma_flush(drm_mach64_private_t *dev_priv)
{
/* FIXME: It's not necessary to wait for idle when flushing
* we just need to ensure the ring will be completely processed
@@ -210,14 +204,14 @@ int mach64_do_dma_flush(drm_mach64_private_t * dev_priv)
/**
* Stop all DMA activity.
*/
-int mach64_do_dma_idle(drm_mach64_private_t * dev_priv)
+int mach64_do_dma_idle(drm_mach64_private_t *dev_priv)
{
int ret;
/* wait for completion */
if ((ret = mach64_ring_idle(dev_priv)) < 0) {
- DRM_ERROR("%s failed BM_GUI_TABLE=0x%08x tail: %u\n",
- __FUNCTION__, MACH64_READ(MACH64_BM_GUI_TABLE),
+ DRM_ERROR("failed BM_GUI_TABLE=0x%08x tail: %u\n",
+ MACH64_READ(MACH64_BM_GUI_TABLE),
dev_priv->ring.tail);
return ret;
}
@@ -232,11 +226,11 @@ int mach64_do_dma_idle(drm_mach64_private_t * dev_priv)
/**
* Reset the engine. This will stop the DMA if it is running.
*/
-int mach64_do_engine_reset(drm_mach64_private_t * dev_priv)
+int mach64_do_engine_reset(drm_mach64_private_t *dev_priv)
{
u32 tmp;
- DRM_DEBUG("%s\n", __FUNCTION__);
+ DRM_DEBUG("\n");
/* Kill off any outstanding DMA transfers.
*/
@@ -276,7 +270,7 @@ int mach64_do_engine_reset(drm_mach64_private_t * dev_priv)
/**
* Dump engine registers values.
*/
-void mach64_dump_engine_info(drm_mach64_private_t * dev_priv)
+void mach64_dump_engine_info(drm_mach64_private_t *dev_priv)
{
DRM_INFO("\n");
if (!dev_priv->is_pci) {
@@ -417,8 +411,8 @@ void mach64_dump_engine_info(drm_mach64_private_t * dev_priv)
* Used by mach64_dump_ring_info() to dump the contents of the current buffer
* pointed by the ring head.
*/
-static void mach64_dump_buf_info(drm_mach64_private_t * dev_priv,
- struct drm_buf * buf)
+static void mach64_dump_buf_info(drm_mach64_private_t *dev_priv,
+ struct drm_buf *buf)
{
u32 addr = GETBUFADDR(buf);
u32 used = buf->used >> 2;
@@ -477,7 +471,7 @@ static void mach64_dump_buf_info(drm_mach64_private_t * dev_priv,
* Dump the ring state and contents, including the contents of the buffer being
* processed by the graphics engine.
*/
-void mach64_dump_ring_info(drm_mach64_private_t * dev_priv)
+void mach64_dump_ring_info(drm_mach64_private_t *dev_priv)
{
drm_mach64_descriptor_ring_t *ring = &dev_priv->ring;
int i, skipped;
@@ -526,9 +520,8 @@ void mach64_dump_ring_info(drm_mach64_private_t * dev_priv)
u32 buf_addr = GETBUFADDR(buf);
- if (buf_addr <= addr && addr < buf_addr + buf->used) {
+ if (buf_addr <= addr && addr < buf_addr + buf->used)
mach64_dump_buf_info(dev_priv, buf);
- }
}
}
@@ -564,13 +557,13 @@ void mach64_dump_ring_info(drm_mach64_private_t * dev_priv)
/**
* Add the end mark to the ring's new tail position.
- *
+ *
* The bus master engine will keep processing the DMA buffers listed in the ring
* until it finds this mark, making it stop.
- *
+ *
* \sa mach64_clear_dma_eol
*/
-static __inline__ void mach64_set_dma_eol(volatile u32 * addr)
+static __inline__ void mach64_set_dma_eol(volatile u32 *addr)
{
#if defined(__i386__)
int nr = 31;
@@ -611,17 +604,17 @@ static __inline__ void mach64_set_dma_eol(volatile u32 * addr)
}
/**
- * Remove the end mark from the ring's old tail position.
- *
+ * Remove the end mark from the ring's old tail position.
+ *
* It should be called after calling mach64_set_dma_eol to mark the ring's new
* tail position.
- *
- * We update the end marks while the bus master engine is in operation. Since
+ *
+ * We update the end marks while the bus master engine is in operation. Since
* the bus master engine may potentially be reading from the same position
- * that we write, we must change atomically to avoid having intermediary bad
+ * that we write, we must change atomically to avoid having intermediary bad
* data.
*/
-static __inline__ void mach64_clear_dma_eol(volatile u32 * addr)
+static __inline__ void mach64_clear_dma_eol(volatile u32 *addr)
{
#if defined(__i386__)
int nr = 31;
@@ -661,35 +654,35 @@ static __inline__ void mach64_clear_dma_eol(volatile u32 * addr)
#endif
}
-#define RING_LOCALS \
+#define RING_LOCALS \
int _ring_tail, _ring_write; unsigned int _ring_mask; volatile u32 *_ring
#define RING_WRITE_OFS _ring_write
-#define BEGIN_RING( n ) \
-do { \
- if ( MACH64_VERBOSE ) { \
- DRM_INFO( "BEGIN_RING( %d ) in %s\n", \
- (n), __FUNCTION__ ); \
- } \
- if ( dev_priv->ring.space <= (n) * sizeof(u32) ) { \
- int ret; \
- if ((ret=mach64_wait_ring( dev_priv, (n) * sizeof(u32))) < 0 ) { \
- DRM_ERROR( "wait_ring failed, resetting engine\n"); \
- mach64_dump_engine_info( dev_priv ); \
- mach64_do_engine_reset( dev_priv ); \
- return ret; \
- } \
- } \
- dev_priv->ring.space -= (n) * sizeof(u32); \
- _ring = (u32 *) dev_priv->ring.start; \
- _ring_tail = _ring_write = dev_priv->ring.tail; \
- _ring_mask = dev_priv->ring.tail_mask; \
-} while (0)
+#define BEGIN_RING(n) \
+ do { \
+ if (MACH64_VERBOSE) { \
+ DRM_INFO( "BEGIN_RING( %d ) \n", \
+ (n) ); \
+ } \
+ if (dev_priv->ring.space <= (n) * sizeof(u32)) { \
+ int ret; \
+ if ((ret = mach64_wait_ring( dev_priv, (n) * sizeof(u32))) < 0 ) { \
+ DRM_ERROR( "wait_ring failed, resetting engine\n"); \
+ mach64_dump_engine_info( dev_priv ); \
+ mach64_do_engine_reset( dev_priv ); \
+ return ret; \
+ } \
+ } \
+ dev_priv->ring.space -= (n) * sizeof(u32); \
+ _ring = (u32 *) dev_priv->ring.start; \
+ _ring_tail = _ring_write = dev_priv->ring.tail; \
+ _ring_mask = dev_priv->ring.tail_mask; \
+ } while (0)
#define OUT_RING( x ) \
do { \
- if ( MACH64_VERBOSE ) { \
+ if (MACH64_VERBOSE) { \
DRM_INFO( " OUT_RING( 0x%08x ) at 0x%x\n", \
(unsigned int)(x), _ring_write ); \
} \
@@ -699,7 +692,7 @@ do { \
#define ADVANCE_RING() \
do { \
- if ( MACH64_VERBOSE ) { \
+ if (MACH64_VERBOSE) { \
DRM_INFO( "ADVANCE_RING() wr=0x%06x tail=0x%06x\n", \
_ring_write, _ring_tail ); \
} \
@@ -835,7 +828,7 @@ static int mach64_bm_dma_test(struct drm_device * dev)
u32 src_cntl, pat_reg0, pat_reg1;
int i, count, failed;
- DRM_DEBUG("%s\n", __FUNCTION__);
+ DRM_DEBUG("\n");
table = (u32 *) dev_priv->ring.start;
@@ -1011,7 +1004,7 @@ static int mach64_do_dma_init(struct drm_device * dev, drm_mach64_init_t * init)
u32 tmp;
int i, ret;
- DRM_DEBUG("%s\n", __FUNCTION__);
+ DRM_DEBUG("\n");
dev_priv = drm_alloc(sizeof(drm_mach64_private_t), DRM_MEM_DRIVER);
if (dev_priv == NULL)
@@ -1221,7 +1214,7 @@ static int mach64_do_dma_init(struct drm_device * dev, drm_mach64_init_t * init)
/** MMIO Pseudo-DMA (intended primarily for debugging, not performance)
*/
-int mach64_do_dispatch_pseudo_dma(drm_mach64_private_t * dev_priv)
+int mach64_do_dispatch_pseudo_dma(drm_mach64_private_t *dev_priv)
{
drm_mach64_descriptor_ring_t *ring = &dev_priv->ring;
volatile u32 *ring_read;
@@ -1236,9 +1229,7 @@ int mach64_do_dispatch_pseudo_dma(drm_mach64_private_t * dev_priv)
target = MACH64_BM_ADDR;
if ((ret = mach64_do_wait_for_idle(dev_priv)) < 0) {
- DRM_INFO
- ("%s: idle failed before pseudo-dma dispatch, resetting engine\n",
- __FUNCTION__);
+ DRM_INFO("idle failed before pseudo-dma dispatch, resetting engine\n");
mach64_dump_engine_info(dev_priv);
mach64_do_engine_reset(dev_priv);
return ret;
@@ -1359,7 +1350,7 @@ int mach64_do_dispatch_pseudo_dma(drm_mach64_private_t * dev_priv)
MACH64_WRITE(MACH64_BM_GUI_TABLE_CMD,
ring->head_addr | MACH64_CIRCULAR_BUF_SIZE_16KB);
- DRM_DEBUG("%s completed\n", __FUNCTION__);
+ DRM_DEBUG("completed\n");
return 0;
}
@@ -1372,7 +1363,7 @@ int mach64_do_dispatch_pseudo_dma(drm_mach64_private_t * dev_priv)
int mach64_do_cleanup_dma(struct drm_device * dev)
{
- DRM_DEBUG("%s\n", __FUNCTION__);
+ DRM_DEBUG("\n");
/* Make sure interrupts are disabled here because the uninstall ioctl
* may not have been called from userspace and after dev_private
@@ -1416,7 +1407,7 @@ int mach64_dma_init(struct drm_device *dev, void *data,
{
drm_mach64_init_t *init = data;
- DRM_DEBUG("%s\n", __FUNCTION__);
+ DRM_DEBUG("\n");
LOCK_TEST_WITH_RETURN(dev, file_priv);
@@ -1435,7 +1426,7 @@ int mach64_dma_idle(struct drm_device *dev, void *data,
{
drm_mach64_private_t *dev_priv = dev->dev_private;
- DRM_DEBUG("%s\n", __FUNCTION__);
+ DRM_DEBUG("\n");
LOCK_TEST_WITH_RETURN(dev, file_priv);
@@ -1447,7 +1438,7 @@ int mach64_dma_flush(struct drm_device *dev, void *data,
{
drm_mach64_private_t *dev_priv = dev->dev_private;
- DRM_DEBUG("%s\n", __FUNCTION__);
+ DRM_DEBUG("\n");
LOCK_TEST_WITH_RETURN(dev, file_priv);
@@ -1459,7 +1450,7 @@ int mach64_engine_reset(struct drm_device *dev, void *data,
{
drm_mach64_private_t *dev_priv = dev->dev_private;
- DRM_DEBUG("%s\n", __FUNCTION__);
+ DRM_DEBUG("\n");
LOCK_TEST_WITH_RETURN(dev, file_priv);
@@ -1481,8 +1472,7 @@ int mach64_init_freelist(struct drm_device * dev)
struct list_head *ptr;
int i;
- DRM_DEBUG("%s: adding %d buffers to freelist\n", __FUNCTION__,
- dma->buf_count);
+ DRM_DEBUG("adding %d buffers to freelist\n", dma->buf_count);
for (i = 0; i < dma->buf_count; i++) {
if ((entry =
@@ -1506,7 +1496,7 @@ void mach64_destroy_freelist(struct drm_device * dev)
struct list_head *ptr;
struct list_head *tmp;
- DRM_DEBUG("%s\n", __FUNCTION__);
+ DRM_DEBUG("\n");
list_for_each_safe(ptr, tmp, &dev_priv->pending) {
list_del(ptr);
@@ -1529,7 +1519,7 @@ void mach64_destroy_freelist(struct drm_device * dev)
/* IMPORTANT: This function should only be called when the engine is idle or locked up,
* as it assumes all buffers in the pending list have been completed by the hardware.
*/
-int mach64_do_release_used_buffers(drm_mach64_private_t * dev_priv)
+int mach64_do_release_used_buffers(drm_mach64_private_t *dev_priv)
{
struct list_head *ptr;
struct list_head *tmp;
@@ -1551,13 +1541,12 @@ int mach64_do_release_used_buffers(drm_mach64_private_t * dev_priv)
}
}
- DRM_DEBUG("%s: released %d buffers from pending list\n", __FUNCTION__,
- i);
+ DRM_DEBUG("released %d buffers from pending list\n", i);
return 0;
}
-static int mach64_do_reclaim_completed(drm_mach64_private_t * dev_priv)
+static int mach64_do_reclaim_completed(drm_mach64_private_t *dev_priv)
{
drm_mach64_descriptor_ring_t *ring = &dev_priv->ring;
struct list_head *ptr;
@@ -1579,8 +1568,7 @@ static int mach64_do_reclaim_completed(drm_mach64_private_t * dev_priv)
#endif
/* last pass is complete, so release everything */
mach64_do_release_used_buffers(dev_priv);
- DRM_DEBUG("%s: idle engine, freed all buffers.\n",
- __FUNCTION__);
+ DRM_DEBUG("idle engine, freed all buffers.\n");
if (list_empty(&dev_priv->free_list)) {
DRM_ERROR("Freelist empty with idle engine\n");
return -1;
@@ -1621,9 +1609,9 @@ static int mach64_do_reclaim_completed(drm_mach64_private_t * dev_priv)
list_del(ptr);
list_add_tail(ptr, &dev_priv->free_list);
DRM_DEBUG
- ("%s: freed processed buffer (head=%d tail=%d "
+ ("freed processed buffer (head=%d tail=%d "
"buf ring ofs=%d).\n",
- __FUNCTION__, head, tail, ofs);
+ head, tail, ofs);
return 0;
}
}
@@ -1631,7 +1619,7 @@ static int mach64_do_reclaim_completed(drm_mach64_private_t * dev_priv)
return 1;
}
-struct drm_buf *mach64_freelist_get(drm_mach64_private_t * dev_priv)
+struct drm_buf *mach64_freelist_get(drm_mach64_private_t *dev_priv)
{
drm_mach64_descriptor_ring_t *ring = &dev_priv->ring;
drm_mach64_freelist_t *entry;
@@ -1677,7 +1665,7 @@ struct drm_buf *mach64_freelist_get(drm_mach64_private_t * dev_priv)
return entry->buf;
}
-int mach64_freelist_put(drm_mach64_private_t * dev_priv, struct drm_buf * copy_buf)
+int mach64_freelist_put(drm_mach64_private_t *dev_priv, struct drm_buf *copy_buf)
{
struct list_head *ptr;
drm_mach64_freelist_t *entry;
@@ -1686,8 +1674,7 @@ int mach64_freelist_put(drm_mach64_private_t * dev_priv, struct drm_buf * copy_b
list_for_each(ptr, &dev_priv->pending) {
entry = list_entry(ptr, drm_mach64_freelist_t, list);
if (copy_buf == entry->buf) {
- DRM_ERROR("%s: Trying to release a pending buf\n",
- __FUNCTION__);
+ DRM_ERROR("Trying to release a pending buf\n");
return -EFAULT;
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-01 06:07:25 +0000