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-rw-r--r--linux/i830_dma.c527
1 files changed, 426 insertions, 101 deletions
diff --git a/linux/i830_dma.c b/linux/i830_dma.c
index d29e21cb..419cea12 100644
--- a/linux/i830_dma.c
+++ b/linux/i830_dma.c
@@ -38,6 +38,7 @@
#include "i830_drm.h"
#include "i830_drv.h"
#include <linux/interrupt.h> /* For task queue support */
+#include <linux/pagemap.h> /* For FASTCALL on unlock_page() */
#include <linux/delay.h>
#ifdef DO_MUNMAP_4_ARGS
@@ -53,8 +54,6 @@
#define I830_BUF_UNMAPPED 0
#define I830_BUF_MAPPED 1
-#define RING_LOCALS unsigned int outring, ringmask; volatile char *virt;
-
#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,4,2)
#define down_write down
#define up_write up
@@ -67,32 +66,6 @@
#define UnlockPage(page) unlock_page(page)
#endif
-#define I830_VERBOSE 0
-
-#define BEGIN_LP_RING(n) do { \
- if (I830_VERBOSE) \
- printk("BEGIN_LP_RING(%d) in %s\n", \
- n, __FUNCTION__); \
- if (dev_priv->ring.space < n*4) \
- i830_wait_ring(dev, n*4); \
- dev_priv->ring.space -= n*4; \
- outring = dev_priv->ring.tail; \
- ringmask = dev_priv->ring.tail_mask; \
- virt = dev_priv->ring.virtual_start; \
-} while (0)
-
-#define ADVANCE_LP_RING() do { \
- if (I830_VERBOSE) printk("ADVANCE_LP_RING %x\n", outring); \
- dev_priv->ring.tail = outring; \
- I830_WRITE(LP_RING + RING_TAIL, outring); \
-} while(0)
-
-#define OUT_RING(n) do { \
- if (I830_VERBOSE) printk(" OUT_RING %x\n", (int)(n)); \
- *(volatile unsigned int *)(virt + outring) = n; \
- outring += 4; \
- outring &= ringmask; \
-} while (0)
static inline void i830_print_status_page(drm_device_t *dev)
{
@@ -252,7 +225,7 @@ static int i830_dma_get_buffer(drm_device_t *dev, drm_i830_dma_t *d,
buf = i830_freelist_get(dev);
if (!buf) {
retcode = -ENOMEM;
- DRM_ERROR("retcode=%d\n", retcode);
+ DRM_DEBUG("retcode=%d\n", retcode);
return retcode;
}
@@ -286,12 +259,21 @@ static int i830_dma_cleanup(drm_device_t *dev)
dev_priv->ring.Size);
}
if(dev_priv->hw_status_page != 0UL) {
- pci_free_consistent(dev->pdev, PAGE_SIZE,
+ pci_free_consistent(dev->pdev, PAGE_SIZE,
(void *)dev_priv->hw_status_page,
dev_priv->dma_status_page);
/* Need to rewrite hardware status page */
I830_WRITE(0x02080, 0x1ffff000);
}
+
+ /* Disable interrupts here because after dev_private
+ * is freed, it's too late.
+ */
+ if (dev->irq) {
+ I830_WRITE16( I830REG_INT_MASK_R, 0xffff );
+ I830_WRITE16( I830REG_INT_ENABLE_R, 0x0 );
+ }
+
DRM(free)(dev->dev_private, sizeof(drm_i830_private_t),
DRM_MEM_DRIVER);
dev->dev_private = NULL;
@@ -305,7 +287,7 @@ static int i830_dma_cleanup(drm_device_t *dev)
return 0;
}
-static int i830_wait_ring(drm_device_t *dev, int n)
+int i830_wait_ring(drm_device_t *dev, int n, const char *caller)
{
drm_i830_private_t *dev_priv = dev->dev_private;
drm_i830_ring_buffer_t *ring = &(dev_priv->ring);
@@ -331,6 +313,7 @@ static int i830_wait_ring(drm_device_t *dev, int n)
goto out_wait_ring;
}
udelay(1);
+ dev_priv->sarea_priv->perf_boxes |= I830_BOX_WAIT;
}
out_wait_ring:
@@ -346,6 +329,9 @@ static void i830_kernel_lost_context(drm_device_t *dev)
ring->tail = I830_READ(LP_RING + RING_TAIL) & TAIL_ADDR;
ring->space = ring->head - (ring->tail+8);
if (ring->space < 0) ring->space += ring->Size;
+
+ if (ring->head == ring->tail)
+ dev_priv->sarea_priv->perf_boxes |= I830_BOX_RING_EMPTY;
}
static int i830_freelist_init(drm_device_t *dev, drm_i830_private_t *dev_priv)
@@ -460,6 +446,8 @@ static int i830_dma_initialize(drm_device_t *dev,
dev_priv->back_pitch = init->back_pitch;
dev_priv->depth_pitch = init->depth_pitch;
+ dev_priv->do_boxes = 0;
+ dev_priv->use_mi_batchbuffer_start = 0;
/* Program Hardware Status Page */
dev_priv->hw_status_page =
@@ -474,7 +462,7 @@ static int i830_dma_initialize(drm_device_t *dev,
memset((void *) dev_priv->hw_status_page, 0, PAGE_SIZE);
DRM_DEBUG("hw status page @ %lx\n", dev_priv->hw_status_page);
- I830_WRITE(0x02080, dev_priv->dma_status_page);
+ I830_WRITE(0x02080, virt_to_bus((void *)dev_priv->hw_status_page));
DRM_DEBUG("Enabled hardware status page\n");
/* Now we need to init our freelist */
@@ -535,11 +523,7 @@ static void i830EmitContextVerified( drm_device_t *dev,
unsigned int tmp;
RING_LOCALS;
- BEGIN_LP_RING( I830_CTX_SETUP_SIZE + 2 );
-
- OUT_RING( GFX_OP_STIPPLE );
- OUT_RING( 0 );
-
+ BEGIN_LP_RING( I830_CTX_SETUP_SIZE + 4 );
for ( i = 0 ; i < I830_CTXREG_BLENDCOLR0 ; i++ ) {
tmp = code[i];
@@ -577,38 +561,44 @@ static void i830EmitContextVerified( drm_device_t *dev,
ADVANCE_LP_RING();
}
-static void i830EmitTexVerified( drm_device_t *dev,
- volatile unsigned int *code )
+static void i830EmitTexVerified( drm_device_t *dev, unsigned int *code )
{
drm_i830_private_t *dev_priv = dev->dev_private;
int i, j = 0;
unsigned int tmp;
RING_LOCALS;
- BEGIN_LP_RING( I830_TEX_SETUP_SIZE );
+ if (code[I830_TEXREG_MI0] == GFX_OP_MAP_INFO ||
+ (code[I830_TEXREG_MI0] & ~(0xf*LOAD_TEXTURE_MAP0)) ==
+ (STATE3D_LOAD_STATE_IMMEDIATE_2|4)) {
- OUT_RING( GFX_OP_MAP_INFO );
- OUT_RING( code[I830_TEXREG_MI1] );
- OUT_RING( code[I830_TEXREG_MI2] );
- OUT_RING( code[I830_TEXREG_MI3] );
- OUT_RING( code[I830_TEXREG_MI4] );
- OUT_RING( code[I830_TEXREG_MI5] );
+ BEGIN_LP_RING( I830_TEX_SETUP_SIZE );
- for ( i = 6 ; i < I830_TEX_SETUP_SIZE ; i++ ) {
- tmp = code[i];
- OUT_RING( tmp );
- j++;
- }
+ OUT_RING( code[I830_TEXREG_MI0] ); /* TM0LI */
+ OUT_RING( code[I830_TEXREG_MI1] ); /* TM0S0 */
+ OUT_RING( code[I830_TEXREG_MI2] ); /* TM0S1 */
+ OUT_RING( code[I830_TEXREG_MI3] ); /* TM0S2 */
+ OUT_RING( code[I830_TEXREG_MI4] ); /* TM0S3 */
+ OUT_RING( code[I830_TEXREG_MI5] ); /* TM0S4 */
+
+ for ( i = 6 ; i < I830_TEX_SETUP_SIZE ; i++ ) {
+ tmp = code[i];
+ OUT_RING( tmp );
+ j++;
+ }
- if (j & 1)
- OUT_RING( 0 );
+ if (j & 1)
+ OUT_RING( 0 );
- ADVANCE_LP_RING();
+ ADVANCE_LP_RING();
+ }
+ else
+ printk("rejected packet %x\n", code[0]);
}
static void i830EmitTexBlendVerified( drm_device_t *dev,
- volatile unsigned int *code,
- volatile unsigned int num)
+ unsigned int *code,
+ unsigned int num)
{
drm_i830_private_t *dev_priv = dev->dev_private;
int i, j = 0;
@@ -618,7 +608,7 @@ static void i830EmitTexBlendVerified( drm_device_t *dev,
if (!num)
return;
- BEGIN_LP_RING( num );
+ BEGIN_LP_RING( num + 1 );
for ( i = 0 ; i < num ; i++ ) {
tmp = code[i];
@@ -641,6 +631,8 @@ static void i830EmitTexPalette( drm_device_t *dev,
int i;
RING_LOCALS;
+ return;
+
BEGIN_LP_RING( 258 );
if(is_shared == 1) {
@@ -654,42 +646,41 @@ static void i830EmitTexPalette( drm_device_t *dev,
OUT_RING(palette[i]);
}
OUT_RING(0);
+ /* KW: WHERE IS THE ADVANCE_LP_RING? This is effectively a noop!
+ */
}
/* Need to do some additional checking when setting the dest buffer.
*/
static void i830EmitDestVerified( drm_device_t *dev,
- volatile unsigned int *code )
+ unsigned int *code )
{
drm_i830_private_t *dev_priv = dev->dev_private;
unsigned int tmp;
RING_LOCALS;
- BEGIN_LP_RING( I830_DEST_SETUP_SIZE + 6 );
+ BEGIN_LP_RING( I830_DEST_SETUP_SIZE + 10 );
+
tmp = code[I830_DESTREG_CBUFADDR];
- if (tmp == dev_priv->front_di1) {
- /* Don't use fence when front buffer rendering */
- OUT_RING( CMD_OP_DESTBUFFER_INFO );
- OUT_RING( BUF_3D_ID_COLOR_BACK |
- BUF_3D_PITCH(dev_priv->back_pitch * dev_priv->cpp) );
- OUT_RING( tmp );
+ if (tmp == dev_priv->front_di1 || tmp == dev_priv->back_di1) {
+ if (((int)outring) & 8) {
+ OUT_RING(0);
+ OUT_RING(0);
+ }
OUT_RING( CMD_OP_DESTBUFFER_INFO );
- OUT_RING( BUF_3D_ID_DEPTH |
- BUF_3D_PITCH(dev_priv->depth_pitch * dev_priv->cpp));
- OUT_RING( dev_priv->zi1 );
- } else if(tmp == dev_priv->back_di1) {
- OUT_RING( CMD_OP_DESTBUFFER_INFO );
OUT_RING( BUF_3D_ID_COLOR_BACK |
BUF_3D_PITCH(dev_priv->back_pitch * dev_priv->cpp) |
BUF_3D_USE_FENCE);
OUT_RING( tmp );
+ OUT_RING( 0 );
OUT_RING( CMD_OP_DESTBUFFER_INFO );
OUT_RING( BUF_3D_ID_DEPTH | BUF_3D_USE_FENCE |
BUF_3D_PITCH(dev_priv->depth_pitch * dev_priv->cpp));
OUT_RING( dev_priv->zi1 );
+ OUT_RING( 0 );
} else {
DRM_ERROR("bad di1 %x (allow %x or %x)\n",
tmp, dev_priv->front_di1, dev_priv->back_di1);
@@ -717,21 +708,35 @@ static void i830EmitDestVerified( drm_device_t *dev,
OUT_RING( 0 );
}
- OUT_RING( code[I830_DESTREG_SENABLE] );
-
OUT_RING( GFX_OP_SCISSOR_RECT );
OUT_RING( code[I830_DESTREG_SR1] );
OUT_RING( code[I830_DESTREG_SR2] );
+ OUT_RING( 0 );
ADVANCE_LP_RING();
}
+static void i830EmitStippleVerified( drm_device_t *dev,
+ unsigned int *code )
+{
+ drm_i830_private_t *dev_priv = dev->dev_private;
+ RING_LOCALS;
+
+ BEGIN_LP_RING( 2 );
+ OUT_RING( GFX_OP_STIPPLE );
+ OUT_RING( code[1] );
+ ADVANCE_LP_RING();
+}
+
+
static void i830EmitState( drm_device_t *dev )
{
drm_i830_private_t *dev_priv = dev->dev_private;
drm_i830_sarea_t *sarea_priv = dev_priv->sarea_priv;
unsigned int dirty = sarea_priv->dirty;
+ DRM_DEBUG("%s %x\n", __FUNCTION__, dirty);
+
if (dirty & I830_UPLOAD_BUFFERS) {
i830EmitDestVerified( dev, sarea_priv->BufferState );
sarea_priv->dirty &= ~I830_UPLOAD_BUFFERS;
@@ -765,17 +770,154 @@ static void i830EmitState( drm_device_t *dev )
}
if (dirty & I830_UPLOAD_TEX_PALETTE_SHARED) {
- i830EmitTexPalette(dev, sarea_priv->Palette[0], 0, 1);
+ i830EmitTexPalette(dev, sarea_priv->Palette[0], 0, 1);
+ } else {
+ if (dirty & I830_UPLOAD_TEX_PALETTE_N(0)) {
+ i830EmitTexPalette(dev, sarea_priv->Palette[0], 0, 0);
+ sarea_priv->dirty &= ~I830_UPLOAD_TEX_PALETTE_N(0);
+ }
+ if (dirty & I830_UPLOAD_TEX_PALETTE_N(1)) {
+ i830EmitTexPalette(dev, sarea_priv->Palette[1], 1, 0);
+ sarea_priv->dirty &= ~I830_UPLOAD_TEX_PALETTE_N(1);
+ }
+
+ /* 1.3:
+ */
+#if 0
+ if (dirty & I830_UPLOAD_TEX_PALETTE_N(2)) {
+ i830EmitTexPalette(dev, sarea_priv->Palette2[0], 0, 0);
+ sarea_priv->dirty &= ~I830_UPLOAD_TEX_PALETTE_N(2);
+ }
+ if (dirty & I830_UPLOAD_TEX_PALETTE_N(3)) {
+ i830EmitTexPalette(dev, sarea_priv->Palette2[1], 1, 0);
+ sarea_priv->dirty &= ~I830_UPLOAD_TEX_PALETTE_N(2);
+ }
+#endif
+ }
+
+ /* 1.3:
+ */
+ if (dirty & I830_UPLOAD_STIPPLE) {
+ i830EmitStippleVerified( dev,
+ sarea_priv->StippleState);
+ sarea_priv->dirty &= ~I830_UPLOAD_STIPPLE;
+ }
+
+ if (dirty & I830_UPLOAD_TEX2) {
+ i830EmitTexVerified( dev, sarea_priv->TexState2 );
+ sarea_priv->dirty &= ~I830_UPLOAD_TEX2;
+ }
+
+ if (dirty & I830_UPLOAD_TEX3) {
+ i830EmitTexVerified( dev, sarea_priv->TexState3 );
+ sarea_priv->dirty &= ~I830_UPLOAD_TEX3;
+ }
+
+
+ if (dirty & I830_UPLOAD_TEXBLEND2) {
+ i830EmitTexBlendVerified(
+ dev,
+ sarea_priv->TexBlendState2,
+ sarea_priv->TexBlendStateWordsUsed2);
+
+ sarea_priv->dirty &= ~I830_UPLOAD_TEXBLEND2;
+ }
+
+ if (dirty & I830_UPLOAD_TEXBLEND3) {
+ i830EmitTexBlendVerified(
+ dev,
+ sarea_priv->TexBlendState3,
+ sarea_priv->TexBlendStateWordsUsed3);
+ sarea_priv->dirty &= ~I830_UPLOAD_TEXBLEND3;
+ }
+}
+
+/* ================================================================
+ * Performance monitoring functions
+ */
+
+static void i830_fill_box( drm_device_t *dev,
+ int x, int y, int w, int h,
+ int r, int g, int b )
+{
+ drm_i830_private_t *dev_priv = dev->dev_private;
+ u32 color;
+ unsigned int BR13, CMD;
+ RING_LOCALS;
+
+ BR13 = (0xF0 << 16) | (dev_priv->pitch * dev_priv->cpp) | (1<<24);
+ CMD = XY_COLOR_BLT_CMD;
+ x += dev_priv->sarea_priv->boxes[0].x1;
+ y += dev_priv->sarea_priv->boxes[0].y1;
+
+ if (dev_priv->cpp == 4) {
+ BR13 |= (1<<25);
+ CMD |= (XY_COLOR_BLT_WRITE_ALPHA | XY_COLOR_BLT_WRITE_RGB);
+ color = (((0xff) << 24) | (r << 16) | (g << 8) | b);
} else {
- if (dirty & I830_UPLOAD_TEX_PALETTE_N(0)) {
- i830EmitTexPalette(dev, sarea_priv->Palette[0], 0, 0);
- sarea_priv->dirty &= ~I830_UPLOAD_TEX_PALETTE_N(0);
- }
- if (dirty & I830_UPLOAD_TEX_PALETTE_N(1)) {
- i830EmitTexPalette(dev, sarea_priv->Palette[1], 1, 0);
- sarea_priv->dirty &= ~I830_UPLOAD_TEX_PALETTE_N(1);
- }
+ color = (((r & 0xf8) << 8) |
+ ((g & 0xfc) << 3) |
+ ((b & 0xf8) >> 3));
+ }
+
+ BEGIN_LP_RING( 6 );
+ OUT_RING( CMD );
+ OUT_RING( BR13 );
+ OUT_RING( (y << 16) | x );
+ OUT_RING( ((y+h) << 16) | (x+w) );
+
+ if ( dev_priv->current_page == 1 ) {
+ OUT_RING( dev_priv->front_offset );
+ } else {
+ OUT_RING( dev_priv->back_offset );
+ }
+
+ OUT_RING( color );
+ ADVANCE_LP_RING();
+}
+
+static void i830_cp_performance_boxes( drm_device_t *dev )
+{
+ drm_i830_private_t *dev_priv = dev->dev_private;
+
+ /* Purple box for page flipping
+ */
+ if ( dev_priv->sarea_priv->perf_boxes & I830_BOX_FLIP )
+ i830_fill_box( dev, 4, 4, 8, 8, 255, 0, 255 );
+
+ /* Red box if we have to wait for idle at any point
+ */
+ if ( dev_priv->sarea_priv->perf_boxes & I830_BOX_WAIT )
+ i830_fill_box( dev, 16, 4, 8, 8, 255, 0, 0 );
+
+ /* Blue box: lost context?
+ */
+ if ( dev_priv->sarea_priv->perf_boxes & I830_BOX_LOST_CONTEXT )
+ i830_fill_box( dev, 28, 4, 8, 8, 0, 0, 255 );
+
+ /* Yellow box for texture swaps
+ */
+ if ( dev_priv->sarea_priv->perf_boxes & I830_BOX_TEXTURE_LOAD )
+ i830_fill_box( dev, 40, 4, 8, 8, 255, 255, 0 );
+
+ /* Green box if hardware never idles (as far as we can tell)
+ */
+ if ( !(dev_priv->sarea_priv->perf_boxes & I830_BOX_RING_EMPTY) )
+ i830_fill_box( dev, 64, 4, 8, 8, 0, 255, 0 );
+
+
+ /* Draw bars indicating number of buffers allocated
+ * (not a great measure, easily confused)
+ */
+ if (dev_priv->dma_used) {
+ int bar = dev_priv->dma_used / 10240;
+ if (bar > 100) bar = 100;
+ if (bar < 1) bar = 1;
+ i830_fill_box( dev, 4, 16, bar, 4, 196, 128, 128 );
+ dev_priv->dma_used = 0;
}
+
+ dev_priv->sarea_priv->perf_boxes = 0;
}
static void i830_dma_dispatch_clear( drm_device_t *dev, int flags,
@@ -793,6 +935,15 @@ static void i830_dma_dispatch_clear( drm_device_t *dev, int flags,
unsigned int BR13, CMD, D_CMD;
RING_LOCALS;
+
+ if ( dev_priv->current_page == 1 ) {
+ unsigned int tmp = flags;
+
+ flags &= ~(I830_FRONT | I830_BACK);
+ if ( tmp & I830_FRONT ) flags |= I830_BACK;
+ if ( tmp & I830_BACK ) flags |= I830_FRONT;
+ }
+
i830_kernel_lost_context(dev);
switch(cpp) {
@@ -872,13 +1023,17 @@ static void i830_dma_dispatch_swap( drm_device_t *dev )
drm_clip_rect_t *pbox = sarea_priv->boxes;
int pitch = dev_priv->pitch;
int cpp = dev_priv->cpp;
- int ofs = dev_priv->back_offset;
int i;
unsigned int CMD, BR13;
RING_LOCALS;
DRM_DEBUG("swapbuffers\n");
+ i830_kernel_lost_context(dev);
+
+ if (dev_priv->do_boxes)
+ i830_cp_performance_boxes( dev );
+
switch(cpp) {
case 2:
BR13 = (pitch * cpp) | (0xCC << 16) | (1<<24);
@@ -895,7 +1050,6 @@ static void i830_dma_dispatch_swap( drm_device_t *dev )
break;
}
- i830_kernel_lost_context(dev);
if (nbox > I830_NR_SAREA_CLIPRECTS)
nbox = I830_NR_SAREA_CLIPRECTS;
@@ -915,23 +1069,72 @@ static void i830_dma_dispatch_swap( drm_device_t *dev )
BEGIN_LP_RING( 8 );
OUT_RING( CMD );
OUT_RING( BR13 );
+ OUT_RING( (pbox->y1 << 16) | pbox->x1 );
+ OUT_RING( (pbox->y2 << 16) | pbox->x2 );
- OUT_RING( (pbox->y1 << 16) |
- pbox->x1 );
- OUT_RING( (pbox->y2 << 16) |
- pbox->x2 );
-
- OUT_RING( dev_priv->front_offset );
- OUT_RING( (pbox->y1 << 16) |
- pbox->x1 );
+ if (dev_priv->current_page == 0)
+ OUT_RING( dev_priv->front_offset );
+ else
+ OUT_RING( dev_priv->back_offset );
+ OUT_RING( (pbox->y1 << 16) | pbox->x1 );
OUT_RING( BR13 & 0xffff );
- OUT_RING( ofs );
+
+ if (dev_priv->current_page == 0)
+ OUT_RING( dev_priv->back_offset );
+ else
+ OUT_RING( dev_priv->front_offset );
ADVANCE_LP_RING();
}
}
+static void i830_dma_dispatch_flip( drm_device_t *dev )
+{
+ drm_i830_private_t *dev_priv = dev->dev_private;
+ RING_LOCALS;
+
+ DRM_DEBUG( "%s: page=%d pfCurrentPage=%d\n",
+ __FUNCTION__,
+ dev_priv->current_page,
+ dev_priv->sarea_priv->pf_current_page);
+
+ i830_kernel_lost_context(dev);
+
+ if (dev_priv->do_boxes) {
+ dev_priv->sarea_priv->perf_boxes |= I830_BOX_FLIP;
+ i830_cp_performance_boxes( dev );
+ }
+
+
+ BEGIN_LP_RING( 2 );
+ OUT_RING( INST_PARSER_CLIENT | INST_OP_FLUSH | INST_FLUSH_MAP_CACHE );
+ OUT_RING( 0 );
+ ADVANCE_LP_RING();
+
+ BEGIN_LP_RING( 6 );
+ OUT_RING( CMD_OP_DISPLAYBUFFER_INFO | ASYNC_FLIP );
+ OUT_RING( 0 );
+ if ( dev_priv->current_page == 0 ) {
+ OUT_RING( dev_priv->back_offset );
+ dev_priv->current_page = 1;
+ } else {
+ OUT_RING( dev_priv->front_offset );
+ dev_priv->current_page = 0;
+ }
+ OUT_RING(0);
+ ADVANCE_LP_RING();
+
+
+ BEGIN_LP_RING( 2 );
+ OUT_RING( MI_WAIT_FOR_EVENT |
+ MI_WAIT_FOR_PLANE_A_FLIP );
+ OUT_RING( 0 );
+ ADVANCE_LP_RING();
+
+
+ dev_priv->sarea_priv->pf_current_page = dev_priv->current_page;
+}
static void i830_dma_dispatch_vertex(drm_device_t *dev,
drm_buf_t *buf,
@@ -984,8 +1187,10 @@ static void i830_dma_dispatch_vertex(drm_device_t *dev,
sarea_priv->vertex_prim |
((used/4)-2));
- vp[used/4] = MI_BATCH_BUFFER_END;
- used += 4;
+ if (dev_priv->use_mi_batchbuffer_start) {
+ vp[used/4] = MI_BATCH_BUFFER_END;
+ used += 4;
+ }
if (used & 4) {
vp[used/4] = 0;
@@ -1008,11 +1213,21 @@ static void i830_dma_dispatch_vertex(drm_device_t *dev,
ADVANCE_LP_RING();
}
- BEGIN_LP_RING(2);
- OUT_RING( MI_BATCH_BUFFER_START | (2<<6) );
- OUT_RING( start | MI_BATCH_NON_SECURE );
- ADVANCE_LP_RING();
-
+ if (dev_priv->use_mi_batchbuffer_start) {
+ BEGIN_LP_RING(2);
+ OUT_RING( MI_BATCH_BUFFER_START | (2<<6) );
+ OUT_RING( start | MI_BATCH_NON_SECURE );
+ ADVANCE_LP_RING();
+ }
+ else {
+ BEGIN_LP_RING(4);
+ OUT_RING( MI_BATCH_BUFFER );
+ OUT_RING( start | MI_BATCH_NON_SECURE );
+ OUT_RING( start + used - 4 );
+ OUT_RING( 0 );
+ ADVANCE_LP_RING();
+ }
+
} while (++i < nbox);
}
@@ -1050,7 +1265,7 @@ void i830_dma_quiescent(drm_device_t *dev)
OUT_RING( 0 );
ADVANCE_LP_RING();
- i830_wait_ring( dev, dev_priv->ring.Size - 8 );
+ i830_wait_ring( dev, dev_priv->ring.Size - 8, __FUNCTION__ );
}
static int i830_flush_queue(drm_device_t *dev)
@@ -1067,7 +1282,7 @@ static int i830_flush_queue(drm_device_t *dev)
OUT_RING( 0 );
ADVANCE_LP_RING();
- i830_wait_ring( dev, dev_priv->ring.Size - 8 );
+ i830_wait_ring( dev, dev_priv->ring.Size - 8, __FUNCTION__ );
for (i = 0; i < dma->buf_count; i++) {
drm_buf_t *buf = dma->buflist[ i ];
@@ -1207,6 +1422,53 @@ int i830_swap_bufs(struct inode *inode, struct file *filp,
return 0;
}
+
+
+/* Not sure why this isn't set all the time:
+ */
+static void i830_do_init_pageflip( drm_device_t *dev )
+{
+ drm_i830_private_t *dev_priv = dev->dev_private;
+
+ DRM_DEBUG("%s\n", __FUNCTION__);
+ dev_priv->page_flipping = 1;
+ dev_priv->current_page = 0;
+ dev_priv->sarea_priv->pf_current_page = dev_priv->current_page;
+}
+
+int i830_do_cleanup_pageflip( drm_device_t *dev )
+{
+ drm_i830_private_t *dev_priv = dev->dev_private;
+
+ DRM_DEBUG("%s\n", __FUNCTION__);
+ if (dev_priv->current_page != 0)
+ i830_dma_dispatch_flip( dev );
+
+ dev_priv->page_flipping = 0;
+ return 0;
+}
+
+int i830_flip_bufs(struct inode *inode, struct file *filp,
+ unsigned int cmd, unsigned long arg)
+{
+ drm_file_t *priv = filp->private_data;
+ drm_device_t *dev = priv->dev;
+ drm_i830_private_t *dev_priv = dev->dev_private;
+
+ DRM_DEBUG("%s\n", __FUNCTION__);
+
+ if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
+ DRM_ERROR("i830_flip_buf called without lock held\n");
+ return -EINVAL;
+ }
+
+ if (!dev_priv->page_flipping)
+ i830_do_init_pageflip( dev );
+
+ i830_dma_dispatch_flip( dev );
+ return 0;
+}
+
int i830_getage(struct inode *inode, struct file *filp, unsigned int cmd,
unsigned long arg)
{
@@ -1270,3 +1532,66 @@ int i830_docopy(struct inode *inode, struct file *filp, unsigned int cmd,
{
return 0;
}
+
+
+
+int i830_getparam( struct inode *inode, struct file *filp, unsigned int cmd,
+ unsigned long arg )
+{
+ drm_file_t *priv = filp->private_data;
+ drm_device_t *dev = priv->dev;
+ drm_i830_private_t *dev_priv = dev->dev_private;
+ drm_i830_getparam_t param;
+ int value;
+
+ if ( !dev_priv ) {
+ DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ );
+ return -EINVAL;
+ }
+
+ if (copy_from_user(&param, (drm_i830_getparam_t *)arg, sizeof(param) ))
+ return -EFAULT;
+
+ switch( param.param ) {
+ case I830_PARAM_IRQ_ACTIVE:
+ value = dev->irq ? 1 : 0;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ if ( copy_to_user( param.value, &value, sizeof(int) ) ) {
+ DRM_ERROR( "copy_to_user\n" );
+ return -EFAULT;
+ }
+
+ return 0;
+}
+
+
+int i830_setparam( struct inode *inode, struct file *filp, unsigned int cmd,
+ unsigned long arg )
+{
+ drm_file_t *priv = filp->private_data;
+ drm_device_t *dev = priv->dev;
+ drm_i830_private_t *dev_priv = dev->dev_private;
+ drm_i830_setparam_t param;
+
+ if ( !dev_priv ) {
+ DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ );
+ return -EINVAL;
+ }
+
+ if (copy_from_user(&param, (drm_i830_setparam_t *)arg, sizeof(param) ))
+ return -EFAULT;
+
+ switch( param.param ) {
+ case I830_SETPARAM_USE_MI_BATCHBUFFER_START:
+ dev_priv->use_mi_batchbuffer_start = param.value;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-03 14:58:49 +0000