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path: root/drivers/char/drm/savage_state.c
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Diffstat (limited to 'drivers/char/drm/savage_state.c')
-rw-r--r--drivers/char/drm/savage_state.c483
1 files changed, 250 insertions, 233 deletions
diff --git a/drivers/char/drm/savage_state.c b/drivers/char/drm/savage_state.c
index 475695a0008..39654cb5d57 100644
--- a/drivers/char/drm/savage_state.c
+++ b/drivers/char/drm/savage_state.c
@@ -26,48 +26,48 @@
#include "savage_drm.h"
#include "savage_drv.h"
-void savage_emit_clip_rect_s3d(drm_savage_private_t *dev_priv,
- drm_clip_rect_t *pbox)
+void savage_emit_clip_rect_s3d(drm_savage_private_t * dev_priv,
+ drm_clip_rect_t * pbox)
{
uint32_t scstart = dev_priv->state.s3d.new_scstart;
- uint32_t scend = dev_priv->state.s3d.new_scend;
+ uint32_t scend = dev_priv->state.s3d.new_scend;
scstart = (scstart & ~SAVAGE_SCISSOR_MASK_S3D) |
- ((uint32_t)pbox->x1 & 0x000007ff) |
- (((uint32_t)pbox->y1 << 16) & 0x07ff0000);
- scend = (scend & ~SAVAGE_SCISSOR_MASK_S3D) |
- (((uint32_t)pbox->x2-1) & 0x000007ff) |
- ((((uint32_t)pbox->y2-1) << 16) & 0x07ff0000);
+ ((uint32_t) pbox->x1 & 0x000007ff) |
+ (((uint32_t) pbox->y1 << 16) & 0x07ff0000);
+ scend = (scend & ~SAVAGE_SCISSOR_MASK_S3D) |
+ (((uint32_t) pbox->x2 - 1) & 0x000007ff) |
+ ((((uint32_t) pbox->y2 - 1) << 16) & 0x07ff0000);
if (scstart != dev_priv->state.s3d.scstart ||
- scend != dev_priv->state.s3d.scend) {
+ scend != dev_priv->state.s3d.scend) {
DMA_LOCALS;
BEGIN_DMA(4);
- DMA_WRITE(BCI_CMD_WAIT|BCI_CMD_WAIT_3D);
+ DMA_WRITE(BCI_CMD_WAIT | BCI_CMD_WAIT_3D);
DMA_SET_REGISTERS(SAVAGE_SCSTART_S3D, 2);
DMA_WRITE(scstart);
DMA_WRITE(scend);
dev_priv->state.s3d.scstart = scstart;
- dev_priv->state.s3d.scend = scend;
+ dev_priv->state.s3d.scend = scend;
dev_priv->waiting = 1;
DMA_COMMIT();
}
}
-void savage_emit_clip_rect_s4(drm_savage_private_t *dev_priv,
- drm_clip_rect_t *pbox)
+void savage_emit_clip_rect_s4(drm_savage_private_t * dev_priv,
+ drm_clip_rect_t * pbox)
{
uint32_t drawctrl0 = dev_priv->state.s4.new_drawctrl0;
uint32_t drawctrl1 = dev_priv->state.s4.new_drawctrl1;
drawctrl0 = (drawctrl0 & ~SAVAGE_SCISSOR_MASK_S4) |
- ((uint32_t)pbox->x1 & 0x000007ff) |
- (((uint32_t)pbox->y1 << 12) & 0x00fff000);
+ ((uint32_t) pbox->x1 & 0x000007ff) |
+ (((uint32_t) pbox->y1 << 12) & 0x00fff000);
drawctrl1 = (drawctrl1 & ~SAVAGE_SCISSOR_MASK_S4) |
- (((uint32_t)pbox->x2-1) & 0x000007ff) |
- ((((uint32_t)pbox->y2-1) << 12) & 0x00fff000);
+ (((uint32_t) pbox->x2 - 1) & 0x000007ff) |
+ ((((uint32_t) pbox->y2 - 1) << 12) & 0x00fff000);
if (drawctrl0 != dev_priv->state.s4.drawctrl0 ||
drawctrl1 != dev_priv->state.s4.drawctrl1) {
DMA_LOCALS;
BEGIN_DMA(4);
- DMA_WRITE(BCI_CMD_WAIT|BCI_CMD_WAIT_3D);
+ DMA_WRITE(BCI_CMD_WAIT | BCI_CMD_WAIT_3D);
DMA_SET_REGISTERS(SAVAGE_DRAWCTRL0_S4, 2);
DMA_WRITE(drawctrl0);
DMA_WRITE(drawctrl1);
@@ -78,22 +78,23 @@ void savage_emit_clip_rect_s4(drm_savage_private_t *dev_priv,
}
}
-static int savage_verify_texaddr(drm_savage_private_t *dev_priv, int unit,
+static int savage_verify_texaddr(drm_savage_private_t * dev_priv, int unit,
uint32_t addr)
{
- if ((addr & 6) != 2) { /* reserved bits */
+ if ((addr & 6) != 2) { /* reserved bits */
DRM_ERROR("bad texAddr%d %08x (reserved bits)\n", unit, addr);
return DRM_ERR(EINVAL);
}
- if (!(addr & 1)) { /* local */
+ if (!(addr & 1)) { /* local */
addr &= ~7;
- if (addr < dev_priv->texture_offset ||
- addr >= dev_priv->texture_offset+dev_priv->texture_size) {
- DRM_ERROR("bad texAddr%d %08x (local addr out of range)\n",
- unit, addr);
+ if (addr < dev_priv->texture_offset ||
+ addr >= dev_priv->texture_offset + dev_priv->texture_size) {
+ DRM_ERROR
+ ("bad texAddr%d %08x (local addr out of range)\n",
+ unit, addr);
return DRM_ERR(EINVAL);
}
- } else { /* AGP */
+ } else { /* AGP */
if (!dev_priv->agp_textures) {
DRM_ERROR("bad texAddr%d %08x (AGP not available)\n",
unit, addr);
@@ -103,8 +104,9 @@ static int savage_verify_texaddr(drm_savage_private_t *dev_priv, int unit,
if (addr < dev_priv->agp_textures->offset ||
addr >= (dev_priv->agp_textures->offset +
dev_priv->agp_textures->size)) {
- DRM_ERROR("bad texAddr%d %08x (AGP addr out of range)\n",
- unit, addr);
+ DRM_ERROR
+ ("bad texAddr%d %08x (AGP addr out of range)\n",
+ unit, addr);
return DRM_ERR(EINVAL);
}
}
@@ -122,14 +124,14 @@ static int savage_verify_texaddr(drm_savage_private_t *dev_priv, int unit,
(dev_priv->state.where & ~(mask)); \
} \
} while (0)
-static int savage_verify_state_s3d(drm_savage_private_t *dev_priv,
+static int savage_verify_state_s3d(drm_savage_private_t * dev_priv,
unsigned int start, unsigned int count,
- const uint32_t __user *regs)
+ const uint32_t __user * regs)
{
if (start < SAVAGE_TEXPALADDR_S3D ||
- start+count-1 > SAVAGE_DESTTEXRWWATERMARK_S3D) {
+ start + count - 1 > SAVAGE_DESTTEXRWWATERMARK_S3D) {
DRM_ERROR("invalid register range (0x%04x-0x%04x)\n",
- start, start+count-1);
+ start, start + count - 1);
return DRM_ERR(EINVAL);
}
@@ -140,28 +142,29 @@ static int savage_verify_state_s3d(drm_savage_private_t *dev_priv,
/* if any texture regs were changed ... */
if (start <= SAVAGE_TEXCTRL_S3D &&
- start+count > SAVAGE_TEXPALADDR_S3D) {
+ start + count > SAVAGE_TEXPALADDR_S3D) {
/* ... check texture state */
SAVE_STATE(SAVAGE_TEXCTRL_S3D, s3d.texctrl);
SAVE_STATE(SAVAGE_TEXADDR_S3D, s3d.texaddr);
if (dev_priv->state.s3d.texctrl & SAVAGE_TEXCTRL_TEXEN_MASK)
- return savage_verify_texaddr(
- dev_priv, 0, dev_priv->state.s3d.texaddr);
+ return savage_verify_texaddr(dev_priv, 0,
+ dev_priv->state.s3d.
+ texaddr);
}
return 0;
}
-static int savage_verify_state_s4(drm_savage_private_t *dev_priv,
+static int savage_verify_state_s4(drm_savage_private_t * dev_priv,
unsigned int start, unsigned int count,
- const uint32_t __user *regs)
+ const uint32_t __user * regs)
{
int ret = 0;
if (start < SAVAGE_DRAWLOCALCTRL_S4 ||
- start+count-1 > SAVAGE_TEXBLENDCOLOR_S4) {
+ start + count - 1 > SAVAGE_TEXBLENDCOLOR_S4) {
DRM_ERROR("invalid register range (0x%04x-0x%04x)\n",
- start, start+count-1);
+ start, start + count - 1);
return DRM_ERR(EINVAL);
}
@@ -171,28 +174,30 @@ static int savage_verify_state_s4(drm_savage_private_t *dev_priv,
~SAVAGE_SCISSOR_MASK_S4);
/* if any texture regs were changed ... */
- if (start <= SAVAGE_TEXDESCR_S4 &&
- start+count > SAVAGE_TEXPALADDR_S4) {
+ if (start <= SAVAGE_TEXDESCR_S4 && start + count > SAVAGE_TEXPALADDR_S4) {
/* ... check texture state */
SAVE_STATE(SAVAGE_TEXDESCR_S4, s4.texdescr);
SAVE_STATE(SAVAGE_TEXADDR0_S4, s4.texaddr0);
SAVE_STATE(SAVAGE_TEXADDR1_S4, s4.texaddr1);
if (dev_priv->state.s4.texdescr & SAVAGE_TEXDESCR_TEX0EN_MASK)
- ret |= savage_verify_texaddr(
- dev_priv, 0, dev_priv->state.s4.texaddr0);
+ ret |=
+ savage_verify_texaddr(dev_priv, 0,
+ dev_priv->state.s4.texaddr0);
if (dev_priv->state.s4.texdescr & SAVAGE_TEXDESCR_TEX1EN_MASK)
- ret |= savage_verify_texaddr(
- dev_priv, 1, dev_priv->state.s4.texaddr1);
+ ret |=
+ savage_verify_texaddr(dev_priv, 1,
+ dev_priv->state.s4.texaddr1);
}
return ret;
}
+
#undef SAVE_STATE
#undef SAVE_STATE_MASK
-static int savage_dispatch_state(drm_savage_private_t *dev_priv,
- const drm_savage_cmd_header_t *cmd_header,
- const uint32_t __user *regs)
+static int savage_dispatch_state(drm_savage_private_t * dev_priv,
+ const drm_savage_cmd_header_t * cmd_header,
+ const uint32_t __user * regs)
{
unsigned int count = cmd_header->state.count;
unsigned int start = cmd_header->state.start;
@@ -204,7 +209,7 @@ static int savage_dispatch_state(drm_savage_private_t *dev_priv,
if (!count)
return 0;
- if (DRM_VERIFYAREA_READ(regs, count*4))
+ if (DRM_VERIFYAREA_READ(regs, count * 4))
return DRM_ERR(EFAULT);
if (S3_SAVAGE3D_SERIES(dev_priv->chipset)) {
@@ -213,14 +218,14 @@ static int savage_dispatch_state(drm_savage_private_t *dev_priv,
return ret;
/* scissor regs are emitted in savage_dispatch_draw */
if (start < SAVAGE_SCSTART_S3D) {
- if (start+count > SAVAGE_SCEND_S3D+1)
- count2 = count - (SAVAGE_SCEND_S3D+1 - start);
- if (start+count > SAVAGE_SCSTART_S3D)
+ if (start + count > SAVAGE_SCEND_S3D + 1)
+ count2 = count - (SAVAGE_SCEND_S3D + 1 - start);
+ if (start + count > SAVAGE_SCSTART_S3D)
count = SAVAGE_SCSTART_S3D - start;
} else if (start <= SAVAGE_SCEND_S3D) {
- if (start+count > SAVAGE_SCEND_S3D+1) {
- count -= SAVAGE_SCEND_S3D+1 - start;
- start = SAVAGE_SCEND_S3D+1;
+ if (start + count > SAVAGE_SCEND_S3D + 1) {
+ count -= SAVAGE_SCEND_S3D + 1 - start;
+ start = SAVAGE_SCEND_S3D + 1;
} else
return 0;
}
@@ -230,23 +235,24 @@ static int savage_dispatch_state(drm_savage_private_t *dev_priv,
return ret;
/* scissor regs are emitted in savage_dispatch_draw */
if (start < SAVAGE_DRAWCTRL0_S4) {
- if (start+count > SAVAGE_DRAWCTRL1_S4+1)
- count2 = count - (SAVAGE_DRAWCTRL1_S4+1 - start);
- if (start+count > SAVAGE_DRAWCTRL0_S4)
+ if (start + count > SAVAGE_DRAWCTRL1_S4 + 1)
+ count2 =
+ count - (SAVAGE_DRAWCTRL1_S4 + 1 - start);
+ if (start + count > SAVAGE_DRAWCTRL0_S4)
count = SAVAGE_DRAWCTRL0_S4 - start;
} else if (start <= SAVAGE_DRAWCTRL1_S4) {
- if (start+count > SAVAGE_DRAWCTRL1_S4+1) {
- count -= SAVAGE_DRAWCTRL1_S4+1 - start;
- start = SAVAGE_DRAWCTRL1_S4+1;
+ if (start + count > SAVAGE_DRAWCTRL1_S4 + 1) {
+ count -= SAVAGE_DRAWCTRL1_S4 + 1 - start;
+ start = SAVAGE_DRAWCTRL1_S4 + 1;
} else
return 0;
}
}
- bci_size = count + (count+254)/255 + count2 + (count2+254)/255;
+ bci_size = count + (count + 254) / 255 + count2 + (count2 + 254) / 255;
if (cmd_header->state.global) {
- BEGIN_DMA(bci_size+1);
+ BEGIN_DMA(bci_size + 1);
DMA_WRITE(BCI_CMD_WAIT | BCI_CMD_WAIT_3D);
dev_priv->waiting = 1;
} else {
@@ -273,9 +279,9 @@ static int savage_dispatch_state(drm_savage_private_t *dev_priv,
return 0;
}
-static int savage_dispatch_dma_prim(drm_savage_private_t *dev_priv,
- const drm_savage_cmd_header_t *cmd_header,
- const drm_buf_t *dmabuf)
+static int savage_dispatch_dma_prim(drm_savage_private_t * dev_priv,
+ const drm_savage_cmd_header_t * cmd_header,
+ const drm_buf_t * dmabuf)
{
unsigned char reorder = 0;
unsigned int prim = cmd_header->prim.prim;
@@ -286,8 +292,8 @@ static int savage_dispatch_dma_prim(drm_savage_private_t *dev_priv,
BCI_LOCALS;
if (!dmabuf) {
- DRM_ERROR("called without dma buffers!\n");
- return DRM_ERR(EINVAL);
+ DRM_ERROR("called without dma buffers!\n");
+ return DRM_ERR(EINVAL);
}
if (!n)
@@ -307,8 +313,9 @@ static int savage_dispatch_dma_prim(drm_savage_private_t *dev_priv,
case SAVAGE_PRIM_TRISTRIP:
case SAVAGE_PRIM_TRIFAN:
if (n < 3) {
- DRM_ERROR("wrong number of vertices %u in TRIFAN/STRIP\n",
- n);
+ DRM_ERROR
+ ("wrong number of vertices %u in TRIFAN/STRIP\n",
+ n);
return DRM_ERR(EINVAL);
}
break;
@@ -319,17 +326,15 @@ static int savage_dispatch_dma_prim(drm_savage_private_t *dev_priv,
if (S3_SAVAGE3D_SERIES(dev_priv->chipset)) {
if (skip != 0) {
- DRM_ERROR("invalid skip flags 0x%04x for DMA\n",
- skip);
+ DRM_ERROR("invalid skip flags 0x%04x for DMA\n", skip);
return DRM_ERR(EINVAL);
}
} else {
unsigned int size = 10 - (skip & 1) - (skip >> 1 & 1) -
- (skip >> 2 & 1) - (skip >> 3 & 1) - (skip >> 4 & 1) -
- (skip >> 5 & 1) - (skip >> 6 & 1) - (skip >> 7 & 1);
+ (skip >> 2 & 1) - (skip >> 3 & 1) - (skip >> 4 & 1) -
+ (skip >> 5 & 1) - (skip >> 6 & 1) - (skip >> 7 & 1);
if (skip > SAVAGE_SKIP_ALL_S4 || size != 8) {
- DRM_ERROR("invalid skip flags 0x%04x for DMA\n",
- skip);
+ DRM_ERROR("invalid skip flags 0x%04x for DMA\n", skip);
return DRM_ERR(EINVAL);
}
if (reorder) {
@@ -338,9 +343,9 @@ static int savage_dispatch_dma_prim(drm_savage_private_t *dev_priv,
}
}
- if (start + n > dmabuf->total/32) {
+ if (start + n > dmabuf->total / 32) {
DRM_ERROR("vertex indices (%u-%u) out of range (0-%u)\n",
- start, start + n - 1, dmabuf->total/32);
+ start, start + n - 1, dmabuf->total / 32);
return DRM_ERR(EINVAL);
}
@@ -375,32 +380,33 @@ static int savage_dispatch_dma_prim(drm_savage_private_t *dev_priv,
/* Need to reorder indices for correct flat
* shading while preserving the clock sense
* for correct culling. Only on Savage3D. */
- int reorder[3] = {-1, -1, -1};
- reorder[start%3] = 2;
+ int reorder[3] = { -1, -1, -1 };
+ reorder[start % 3] = 2;
- BEGIN_BCI((count+1+1)/2);
- BCI_DRAW_INDICES_S3D(count, prim, start+2);
+ BEGIN_BCI((count + 1 + 1) / 2);
+ BCI_DRAW_INDICES_S3D(count, prim, start + 2);
- for (i = start+1; i+1 < start+count; i += 2)
+ for (i = start + 1; i + 1 < start + count; i += 2)
BCI_WRITE((i + reorder[i % 3]) |
- ((i+1 + reorder[(i+1) % 3]) << 16));
- if (i < start+count)
- BCI_WRITE(i + reorder[i%3]);
+ ((i + 1 +
+ reorder[(i + 1) % 3]) << 16));
+ if (i < start + count)
+ BCI_WRITE(i + reorder[i % 3]);
} else if (S3_SAVAGE3D_SERIES(dev_priv->chipset)) {
- BEGIN_BCI((count+1+1)/2);
+ BEGIN_BCI((count + 1 + 1) / 2);
BCI_DRAW_INDICES_S3D(count, prim, start);
- for (i = start+1; i+1 < start+count; i += 2)
- BCI_WRITE(i | ((i+1) << 16));
- if (i < start+count)
+ for (i = start + 1; i + 1 < start + count; i += 2)
+ BCI_WRITE(i | ((i + 1) << 16));
+ if (i < start + count)
BCI_WRITE(i);
} else {
- BEGIN_BCI((count+2+1)/2);
+ BEGIN_BCI((count + 2 + 1) / 2);
BCI_DRAW_INDICES_S4(count, prim, skip);
- for (i = start; i+1 < start+count; i += 2)
- BCI_WRITE(i | ((i+1) << 16));
- if (i < start+count)
+ for (i = start; i + 1 < start + count; i += 2)
+ BCI_WRITE(i | ((i + 1) << 16));
+ if (i < start + count)
BCI_WRITE(i);
}
@@ -413,11 +419,10 @@ static int savage_dispatch_dma_prim(drm_savage_private_t *dev_priv,
return 0;
}
-static int savage_dispatch_vb_prim(drm_savage_private_t *dev_priv,
- const drm_savage_cmd_header_t *cmd_header,
- const uint32_t __user *vtxbuf,
- unsigned int vb_size,
- unsigned int vb_stride)
+static int savage_dispatch_vb_prim(drm_savage_private_t * dev_priv,
+ const drm_savage_cmd_header_t * cmd_header,
+ const uint32_t __user * vtxbuf,
+ unsigned int vb_size, unsigned int vb_stride)
{
unsigned char reorder = 0;
unsigned int prim = cmd_header->prim.prim;
@@ -445,8 +450,9 @@ static int savage_dispatch_vb_prim(drm_savage_private_t *dev_priv,
case SAVAGE_PRIM_TRISTRIP:
case SAVAGE_PRIM_TRIFAN:
if (n < 3) {
- DRM_ERROR("wrong number of vertices %u in TRIFAN/STRIP\n",
- n);
+ DRM_ERROR
+ ("wrong number of vertices %u in TRIFAN/STRIP\n",
+ n);
return DRM_ERR(EINVAL);
}
break;
@@ -460,18 +466,18 @@ static int savage_dispatch_vb_prim(drm_savage_private_t *dev_priv,
DRM_ERROR("invalid skip flags 0x%04x\n", skip);
return DRM_ERR(EINVAL);
}
- vtx_size = 8; /* full vertex */
+ vtx_size = 8; /* full vertex */
} else {
if (skip > SAVAGE_SKIP_ALL_S4) {
DRM_ERROR("invalid skip flags 0x%04x\n", skip);
return DRM_ERR(EINVAL);
}
- vtx_size = 10; /* full vertex */
+ vtx_size = 10; /* full vertex */
}
vtx_size -= (skip & 1) + (skip >> 1 & 1) +
- (skip >> 2 & 1) + (skip >> 3 & 1) + (skip >> 4 & 1) +
- (skip >> 5 & 1) + (skip >> 6 & 1) + (skip >> 7 & 1);
+ (skip >> 2 & 1) + (skip >> 3 & 1) + (skip >> 4 & 1) +
+ (skip >> 5 & 1) + (skip >> 6 & 1) + (skip >> 7 & 1);
if (vtx_size > vb_stride) {
DRM_ERROR("vertex size greater than vb stride (%u > %u)\n",
@@ -479,9 +485,9 @@ static int savage_dispatch_vb_prim(drm_savage_private_t *dev_priv,
return DRM_ERR(EINVAL);
}
- if (start + n > vb_size / (vb_stride*4)) {
+ if (start + n > vb_size / (vb_stride * 4)) {
DRM_ERROR("vertex indices (%u-%u) out of range (0-%u)\n",
- start, start + n - 1, vb_size / (vb_stride*4));
+ start, start + n - 1, vb_size / (vb_stride * 4));
return DRM_ERR(EINVAL);
}
@@ -493,31 +499,31 @@ static int savage_dispatch_vb_prim(drm_savage_private_t *dev_priv,
/* Need to reorder vertices for correct flat
* shading while preserving the clock sense
* for correct culling. Only on Savage3D. */
- int reorder[3] = {-1, -1, -1};
- reorder[start%3] = 2;
+ int reorder[3] = { -1, -1, -1 };
+ reorder[start % 3] = 2;
- BEGIN_DMA(count*vtx_size+1);
+ BEGIN_DMA(count * vtx_size + 1);
DMA_DRAW_PRIMITIVE(count, prim, skip);
- for (i = start; i < start+count; ++i) {
+ for (i = start; i < start + count; ++i) {
unsigned int j = i + reorder[i % 3];
- DMA_COPY_FROM_USER(&vtxbuf[vb_stride*j],
+ DMA_COPY_FROM_USER(&vtxbuf[vb_stride * j],
vtx_size);
}
DMA_COMMIT();
} else {
- BEGIN_DMA(count*vtx_size+1);
+ BEGIN_DMA(count * vtx_size + 1);
DMA_DRAW_PRIMITIVE(count, prim, skip);
if (vb_stride == vtx_size) {
- DMA_COPY_FROM_USER(&vtxbuf[vb_stride*start],
- vtx_size*count);
+ DMA_COPY_FROM_USER(&vtxbuf[vb_stride * start],
+ vtx_size * count);
} else {
- for (i = start; i < start+count; ++i) {
- DMA_COPY_FROM_USER(
- &vtxbuf[vb_stride*i],
- vtx_size);
+ for (i = start; i < start + count; ++i) {
+ DMA_COPY_FROM_USER(&vtxbuf
+ [vb_stride * i],
+ vtx_size);
}
}
@@ -533,10 +539,10 @@ static int savage_dispatch_vb_prim(drm_savage_private_t *dev_priv,
return 0;
}
-static int savage_dispatch_dma_idx(drm_savage_private_t *dev_priv,
- const drm_savage_cmd_header_t *cmd_header,
- const uint16_t __user *usr_idx,
- const drm_buf_t *dmabuf)
+static int savage_dispatch_dma_idx(drm_savage_private_t * dev_priv,
+ const drm_savage_cmd_header_t * cmd_header,
+ const uint16_t __user * usr_idx,
+ const drm_buf_t * dmabuf)
{
unsigned char reorder = 0;
unsigned int prim = cmd_header->idx.prim;
@@ -546,8 +552,8 @@ static int savage_dispatch_dma_idx(drm_savage_private_t *dev_priv,
BCI_LOCALS;
if (!dmabuf) {
- DRM_ERROR("called without dma buffers!\n");
- return DRM_ERR(EINVAL);
+ DRM_ERROR("called without dma buffers!\n");
+ return DRM_ERR(EINVAL);
}
if (!n)
@@ -559,16 +565,15 @@ static int savage_dispatch_dma_idx(drm_savage_private_t *dev_priv,
prim = SAVAGE_PRIM_TRILIST;
case SAVAGE_PRIM_TRILIST:
if (n % 3 != 0) {
- DRM_ERROR("wrong number of indices %u in TRILIST\n",
- n);
+ DRM_ERROR("wrong number of indices %u in TRILIST\n", n);
return DRM_ERR(EINVAL);
}
break;
case SAVAGE_PRIM_TRISTRIP:
case SAVAGE_PRIM_TRIFAN:
if (n < 3) {
- DRM_ERROR("wrong number of indices %u in TRIFAN/STRIP\n",
- n);
+ DRM_ERROR
+ ("wrong number of indices %u in TRIFAN/STRIP\n", n);
return DRM_ERR(EINVAL);
}
break;
@@ -579,17 +584,15 @@ static int savage_dispatch_dma_idx(drm_savage_private_t *dev_priv,
if (S3_SAVAGE3D_SERIES(dev_priv->chipset)) {
if (skip != 0) {
- DRM_ERROR("invalid skip flags 0x%04x for DMA\n",
- skip);
+ DRM_ERROR("invalid skip flags 0x%04x for DMA\n", skip);
return DRM_ERR(EINVAL);
}
} else {
unsigned int size = 10 - (skip & 1) - (skip >> 1 & 1) -
- (skip >> 2 & 1) - (skip >> 3 & 1) - (skip >> 4 & 1) -
- (skip >> 5 & 1) - (skip >> 6 & 1) - (skip >> 7 & 1);
+ (skip >> 2 & 1) - (skip >> 3 & 1) - (skip >> 4 & 1) -
+ (skip >> 5 & 1) - (skip >> 6 & 1) - (skip >> 7 & 1);
if (skip > SAVAGE_SKIP_ALL_S4 || size != 8) {
- DRM_ERROR("invalid skip flags 0x%04x for DMA\n",
- skip);
+ DRM_ERROR("invalid skip flags 0x%04x for DMA\n", skip);
return DRM_ERR(EINVAL);
}
if (reorder) {
@@ -629,11 +632,11 @@ static int savage_dispatch_dma_idx(drm_savage_private_t *dev_priv,
uint16_t idx[255];
/* Copy and check indices */
- DRM_COPY_FROM_USER_UNCHECKED(idx, usr_idx, count*2);
+ DRM_COPY_FROM_USER_UNCHECKED(idx, usr_idx, count * 2);
for (i = 0; i < count; ++i) {
- if (idx[i] > dmabuf->total/32) {
+ if (idx[i] > dmabuf->total / 32) {
DRM_ERROR("idx[%u]=%u out of range (0-%u)\n",
- i, idx[i], dmabuf->total/32);
+ i, idx[i], dmabuf->total / 32);
return DRM_ERR(EINVAL);
}
}
@@ -642,30 +645,31 @@ static int savage_dispatch_dma_idx(drm_savage_private_t *dev_priv,
/* Need to reorder indices for correct flat
* shading while preserving the clock sense
* for correct culling. Only on Savage3D. */
- int reorder[3] = {2, -1, -1};
+ int reorder[3] = { 2, -1, -1 };
- BEGIN_BCI((count+1+1)/2);
+ BEGIN_BCI((count + 1 + 1) / 2);
BCI_DRAW_INDICES_S3D(count, prim, idx[2]);
- for (i = 1; i+1 < count; i += 2)
+ for (i = 1; i + 1 < count; i += 2)
BCI_WRITE(idx[i + reorder[i % 3]] |
- (idx[i+1 + reorder[(i+1) % 3]] << 16));
+ (idx[i + 1 + reorder[(i + 1) % 3]] <<
+ 16));
if (i < count)
- BCI_WRITE(idx[i + reorder[i%3]]);
+ BCI_WRITE(idx[i + reorder[i % 3]]);
} else if (S3_SAVAGE3D_SERIES(dev_priv->chipset)) {
- BEGIN_BCI((count+1+1)/2);
+ BEGIN_BCI((count + 1 + 1) / 2);
BCI_DRAW_INDICES_S3D(count, prim, idx[0]);
- for (i = 1; i+1 < count; i += 2)
- BCI_WRITE(idx[i] | (idx[i+1] << 16));
+ for (i = 1; i + 1 < count; i += 2)
+ BCI_WRITE(idx[i] | (idx[i + 1] << 16));
if (i < count)
BCI_WRITE(idx[i]);
} else {
- BEGIN_BCI((count+2+1)/2);
+ BEGIN_BCI((count + 2 + 1) / 2);
BCI_DRAW_INDICES_S4(count, prim, skip);
- for (i = 0; i+1 < count; i += 2)
- BCI_WRITE(idx[i] | (idx[i+1] << 16));
+ for (i = 0; i + 1 < count; i += 2)
+ BCI_WRITE(idx[i] | (idx[i + 1] << 16));
if (i < count)
BCI_WRITE(idx[i]);
}
@@ -679,12 +683,11 @@ static int savage_dispatch_dma_idx(drm_savage_private_t *dev_priv,
return 0;
}
-static int savage_dispatch_vb_idx(drm_savage_private_t *dev_priv,
- const drm_savage_cmd_header_t *cmd_header,
- const uint16_t __user *usr_idx,
- const uint32_t __user *vtxbuf,
- unsigned int vb_size,
- unsigned int vb_stride)
+static int savage_dispatch_vb_idx(drm_savage_private_t * dev_priv,
+ const drm_savage_cmd_header_t * cmd_header,
+ const uint16_t __user * usr_idx,
+ const uint32_t __user * vtxbuf,
+ unsigned int vb_size, unsigned int vb_stride)
{
unsigned char reorder = 0;
unsigned int prim = cmd_header->idx.prim;
@@ -703,16 +706,15 @@ static int savage_dispatch_vb_idx(drm_savage_private_t *dev_priv,
prim = SAVAGE_PRIM_TRILIST;
case SAVAGE_PRIM_TRILIST:
if (n % 3 != 0) {
- DRM_ERROR("wrong number of indices %u in TRILIST\n",
- n);
+ DRM_ERROR("wrong number of indices %u in TRILIST\n", n);
return DRM_ERR(EINVAL);
}
break;
case SAVAGE_PRIM_TRISTRIP:
case SAVAGE_PRIM_TRIFAN:
if (n < 3) {
- DRM_ERROR("wrong number of indices %u in TRIFAN/STRIP\n",
- n);
+ DRM_ERROR
+ ("wrong number of indices %u in TRIFAN/STRIP\n", n);
return DRM_ERR(EINVAL);
}
break;
@@ -726,18 +728,18 @@ static int savage_dispatch_vb_idx(drm_savage_private_t *dev_priv,
DRM_ERROR("invalid skip flags 0x%04x\n", skip);
return DRM_ERR(EINVAL);
}
- vtx_size = 8; /* full vertex */
+ vtx_size = 8; /* full vertex */
} else {
if (skip > SAVAGE_SKIP_ALL_S4) {
DRM_ERROR("invalid skip flags 0x%04x\n", skip);
return DRM_ERR(EINVAL);
}
- vtx_size = 10; /* full vertex */
+ vtx_size = 10; /* full vertex */
}
vtx_size -= (skip & 1) + (skip >> 1 & 1) +
- (skip >> 2 & 1) + (skip >> 3 & 1) + (skip >> 4 & 1) +
- (skip >> 5 & 1) + (skip >> 6 & 1) + (skip >> 7 & 1);
+ (skip >> 2 & 1) + (skip >> 3 & 1) + (skip >> 4 & 1) +
+ (skip >> 5 & 1) + (skip >> 6 & 1) + (skip >> 7 & 1);
if (vtx_size > vb_stride) {
DRM_ERROR("vertex size greater than vb stride (%u > %u)\n",
@@ -753,11 +755,11 @@ static int savage_dispatch_vb_idx(drm_savage_private_t *dev_priv,
uint16_t idx[255];
/* Copy and check indices */
- DRM_COPY_FROM_USER_UNCHECKED(idx, usr_idx, count*2);
+ DRM_COPY_FROM_USER_UNCHECKED(idx, usr_idx, count * 2);
for (i = 0; i < count; ++i) {
- if (idx[i] > vb_size / (vb_stride*4)) {
+ if (idx[i] > vb_size / (vb_stride * 4)) {
DRM_ERROR("idx[%u]=%u out of range (0-%u)\n",
- i, idx[i], vb_size / (vb_stride*4));
+ i, idx[i], vb_size / (vb_stride * 4));
return DRM_ERR(EINVAL);
}
}
@@ -766,25 +768,25 @@ static int savage_dispatch_vb_idx(drm_savage_private_t *dev_priv,
/* Need to reorder vertices for correct flat
* shading while preserving the clock sense
* for correct culling. Only on Savage3D. */
- int reorder[3] = {2, -1, -1};
+ int reorder[3] = { 2, -1, -1 };
- BEGIN_DMA(count*vtx_size+1);
+ BEGIN_DMA(count * vtx_size + 1);
DMA_DRAW_PRIMITIVE(count, prim, skip);
for (i = 0; i < count; ++i) {
unsigned int j = idx[i + reorder[i % 3]];
- DMA_COPY_FROM_USER(&vtxbuf[vb_stride*j],
+ DMA_COPY_FROM_USER(&vtxbuf[vb_stride * j],
vtx_size);
}
DMA_COMMIT();
} else {
- BEGIN_DMA(count*vtx_size+1);
+ BEGIN_DMA(count * vtx_size + 1);
DMA_DRAW_PRIMITIVE(count, prim, skip);
for (i = 0; i < count; ++i) {
unsigned int j = idx[i];
- DMA_COPY_FROM_USER(&vtxbuf[vb_stride*j],
+ DMA_COPY_FROM_USER(&vtxbuf[vb_stride * j],
vtx_size);
}
@@ -800,11 +802,11 @@ static int savage_dispatch_vb_idx(drm_savage_private_t *dev_priv,
return 0;
}
-static int savage_dispatch_clear(drm_savage_private_t *dev_priv,
- const drm_savage_cmd_header_t *cmd_header,
- const drm_savage_cmd_header_t __user *data,
+static int savage_dispatch_clear(drm_savage_private_t * dev_priv,
+ const drm_savage_cmd_header_t * cmd_header,
+ const drm_savage_cmd_header_t __user * data,
unsigned int nbox,
- const drm_clip_rect_t __user *usr_boxes)
+ const drm_clip_rect_t __user * usr_boxes)
{
unsigned int flags = cmd_header->clear0.flags, mask, value;
unsigned int clear_cmd;
@@ -814,18 +816,17 @@ static int savage_dispatch_clear(drm_savage_private_t *dev_priv,
if (nbox == 0)
return 0;
- DRM_GET_USER_UNCHECKED(mask, &((const drm_savage_cmd_header_t*)data)
+ DRM_GET_USER_UNCHECKED(mask, &((const drm_savage_cmd_header_t *)data)
->clear1.mask);
- DRM_GET_USER_UNCHECKED(value, &((const drm_savage_cmd_header_t*)data)
+ DRM_GET_USER_UNCHECKED(value, &((const drm_savage_cmd_header_t *)data)
->clear1.value);
clear_cmd = BCI_CMD_RECT | BCI_CMD_RECT_XP | BCI_CMD_RECT_YP |
- BCI_CMD_SEND_COLOR | BCI_CMD_DEST_PBD_NEW;
- BCI_CMD_SET_ROP(clear_cmd,0xCC);
+ BCI_CMD_SEND_COLOR | BCI_CMD_DEST_PBD_NEW;
+ BCI_CMD_SET_ROP(clear_cmd, 0xCC);
nbufs = ((flags & SAVAGE_FRONT) ? 1 : 0) +
- ((flags & SAVAGE_BACK) ? 1 : 0) +
- ((flags & SAVAGE_DEPTH) ? 1 : 0);
+ ((flags & SAVAGE_BACK) ? 1 : 0) + ((flags & SAVAGE_DEPTH) ? 1 : 0);
if (nbufs == 0)
return 0;
@@ -844,12 +845,12 @@ static int savage_dispatch_clear(drm_savage_private_t *dev_priv,
x = box.x1, y = box.y1;
w = box.x2 - box.x1;
h = box.y2 - box.y1;
- BEGIN_DMA(nbufs*6);
+ BEGIN_DMA(nbufs * 6);
for (buf = SAVAGE_FRONT; buf <= SAVAGE_DEPTH; buf <<= 1) {
if (!(flags & buf))
continue;
DMA_WRITE(clear_cmd);
- switch(buf) {
+ switch (buf) {
case SAVAGE_FRONT:
DMA_WRITE(dev_priv->front_offset);
DMA_WRITE(dev_priv->front_bd);
@@ -880,9 +881,9 @@ static int savage_dispatch_clear(drm_savage_private_t *dev_priv,
return 0;
}
-static int savage_dispatch_swap(drm_savage_private_t *dev_priv,
+static int savage_dispatch_swap(drm_savage_private_t * dev_priv,
unsigned int nbox,
- const drm_clip_rect_t __user *usr_boxes)
+ const drm_clip_rect_t __user * usr_boxes)
{
unsigned int swap_cmd;
unsigned int i;
@@ -892,8 +893,8 @@ static int savage_dispatch_swap(drm_savage_private_t *dev_priv,
return 0;
swap_cmd = BCI_CMD_RECT | BCI_CMD_RECT_XP | BCI_CMD_RECT_YP |
- BCI_CMD_SRC_PBD_COLOR_NEW | BCI_CMD_DEST_GBD;
- BCI_CMD_SET_ROP(swap_cmd,0xCC);
+ BCI_CMD_SRC_PBD_COLOR_NEW | BCI_CMD_DEST_GBD;
+ BCI_CMD_SET_ROP(swap_cmd, 0xCC);
for (i = 0; i < nbox; ++i) {
drm_clip_rect_t box;
@@ -905,21 +906,21 @@ static int savage_dispatch_swap(drm_savage_private_t *dev_priv,
DMA_WRITE(dev_priv->back_bd);
DMA_WRITE(BCI_X_Y(box.x1, box.y1));
DMA_WRITE(BCI_X_Y(box.x1, box.y1));
- DMA_WRITE(BCI_W_H(box.x2-box.x1, box.y2-box.y1));
+ DMA_WRITE(BCI_W_H(box.x2 - box.x1, box.y2 - box.y1));
DMA_COMMIT();
}
return 0;
}
-static int savage_dispatch_draw(drm_savage_private_t *dev_priv,
- const drm_savage_cmd_header_t __user *start,
- const drm_savage_cmd_header_t __user *end,
- const drm_buf_t *dmabuf,
- const unsigned int __user *usr_vtxbuf,
+static int savage_dispatch_draw(drm_savage_private_t * dev_priv,
+ const drm_savage_cmd_header_t __user * start,
+ const drm_savage_cmd_header_t __user * end,
+ const drm_buf_t * dmabuf,
+ const unsigned int __user * usr_vtxbuf,
unsigned int vb_size, unsigned int vb_stride,
unsigned int nbox,
- const drm_clip_rect_t __user *usr_boxes)
+ const drm_clip_rect_t __user * usr_boxes)
{
unsigned int i, j;
int ret;
@@ -938,32 +939,42 @@ static int savage_dispatch_draw(drm_savage_private_t *dev_priv,
usr_cmdbuf++;
switch (cmd_header.cmd.cmd) {
case SAVAGE_CMD_DMA_PRIM:
- ret = savage_dispatch_dma_prim(
- dev_priv, &cmd_header, dmabuf);
+ ret =
+ savage_dispatch_dma_prim(dev_priv,
+ &cmd_header,
+ dmabuf);
break;
case SAVAGE_CMD_VB_PRIM:
- ret = savage_dispatch_vb_prim(
- dev_priv, &cmd_header,
- (const uint32_t __user *)usr_vtxbuf,
- vb_size, vb_stride);
+ ret =
+ savage_dispatch_vb_prim(dev_priv,
+ &cmd_header,
+ (const uint32_t
+ __user *)
+ usr_vtxbuf, vb_size,
+ vb_stride);
break;
case SAVAGE_CMD_DMA_IDX:
j = (cmd_header.idx.count + 3) / 4;
/* j was check in savage_bci_cmdbuf */
- ret = savage_dispatch_dma_idx(
- dev_priv, &cmd_header,
- (const uint16_t __user *)usr_cmdbuf,
- dmabuf);
+ ret =
+ savage_dispatch_dma_idx(dev_priv,
+ &cmd_header,
+ (const uint16_t
+ __user *)
+ usr_cmdbuf, dmabuf);
usr_cmdbuf += j;
break;
case SAVAGE_CMD_VB_IDX:
j = (cmd_header.idx.count + 3) / 4;
/* j was check in savage_bci_cmdbuf */
- ret = savage_dispatch_vb_idx(
- dev_priv, &cmd_header,
- (const uint16_t __user *)usr_cmdbuf,
- (const uint32_t __user *)usr_vtxbuf,
- vb_size, vb_stride);
+ ret =
+ savage_dispatch_vb_idx(dev_priv,
+ &cmd_header,
+ (const uint16_t
+ __user *)usr_cmdbuf,
+ (const uint32_t
+ __user *)usr_vtxbuf,
+ vb_size, vb_stride);
usr_cmdbuf += j;
break;
default:
@@ -997,16 +1008,17 @@ int savage_bci_cmdbuf(DRM_IOCTL_ARGS)
int ret = 0;
DRM_DEBUG("\n");
-
+
LOCK_TEST_WITH_RETURN(dev, filp);
- DRM_COPY_FROM_USER_IOCTL(cmdbuf, (drm_savage_cmdbuf_t __user *)data,
+ DRM_COPY_FROM_USER_IOCTL(cmdbuf, (drm_savage_cmdbuf_t __user *) data,
sizeof(cmdbuf));
if (dma && dma->buflist) {
if (cmdbuf.dma_idx > dma->buf_count) {
- DRM_ERROR("vertex buffer index %u out of range (0-%u)\n",
- cmdbuf.dma_idx, dma->buf_count-1);
+ DRM_ERROR
+ ("vertex buffer index %u out of range (0-%u)\n",
+ cmdbuf.dma_idx, dma->buf_count - 1);
return DRM_ERR(EINVAL);
}
dmabuf = dma->buflist[cmdbuf.dma_idx];
@@ -1014,14 +1026,14 @@ int savage_bci_cmdbuf(DRM_IOCTL_ARGS)
dmabuf = NULL;
}
- usr_cmdbuf = (drm_savage_cmd_header_t __user *)cmdbuf.cmd_addr;
+ usr_cmdbuf = (drm_savage_cmd_header_t __user *) cmdbuf.cmd_addr;
usr_vtxbuf = (unsigned int __user *)cmdbuf.vb_addr;
- usr_boxes = (drm_clip_rect_t __user *)cmdbuf.box_addr;
- if ((cmdbuf.size && DRM_VERIFYAREA_READ(usr_cmdbuf, cmdbuf.size*8)) ||
- (cmdbuf.vb_size && DRM_VERIFYAREA_READ(
- usr_vtxbuf, cmdbuf.vb_size)) ||
- (cmdbuf.nbox && DRM_VERIFYAREA_READ(
- usr_boxes, cmdbuf.nbox*sizeof(drm_clip_rect_t))))
+ usr_boxes = (drm_clip_rect_t __user *) cmdbuf.box_addr;
+ if ((cmdbuf.size && DRM_VERIFYAREA_READ(usr_cmdbuf, cmdbuf.size * 8)) ||
+ (cmdbuf.vb_size && DRM_VERIFYAREA_READ(usr_vtxbuf, cmdbuf.vb_size))
+ || (cmdbuf.nbox
+ && DRM_VERIFYAREA_READ(usr_boxes,
+ cmdbuf.nbox * sizeof(drm_clip_rect_t))))
return DRM_ERR(EFAULT);
/* Make sure writes to DMA buffers are finished before sending
@@ -1058,17 +1070,21 @@ int savage_bci_cmdbuf(DRM_IOCTL_ARGS)
case SAVAGE_CMD_DMA_PRIM:
case SAVAGE_CMD_VB_PRIM:
if (!first_draw_cmd)
- first_draw_cmd = usr_cmdbuf-1;
+ first_draw_cmd = usr_cmdbuf - 1;
usr_cmdbuf += j;
i += j;
break;
default:
if (first_draw_cmd) {
- ret = savage_dispatch_draw (
- dev_priv, first_draw_cmd, usr_cmdbuf-1,
- dmabuf, usr_vtxbuf, cmdbuf.vb_size,
- cmdbuf.vb_stride,
- cmdbuf.nbox, usr_boxes);
+ ret =
+ savage_dispatch_draw(dev_priv,
+ first_draw_cmd,
+ usr_cmdbuf - 1, dmabuf,
+ usr_vtxbuf,
+ cmdbuf.vb_size,
+ cmdbuf.vb_stride,
+ cmdbuf.nbox,
+ usr_boxes);
if (ret != 0)
return ret;
first_draw_cmd = NULL;
@@ -1086,9 +1102,9 @@ int savage_bci_cmdbuf(DRM_IOCTL_ARGS)
DMA_FLUSH();
return DRM_ERR(EINVAL);
}
- ret = savage_dispatch_state(
- dev_priv, &cmd_header,
- (uint32_t __user *)usr_cmdbuf);
+ ret = savage_dispatch_state(dev_priv, &cmd_header,
+ (uint32_t __user *)
+ usr_cmdbuf);
usr_cmdbuf += j;
i += j;
break;
@@ -1122,10 +1138,11 @@ int savage_bci_cmdbuf(DRM_IOCTL_ARGS)
}
if (first_draw_cmd) {
- ret = savage_dispatch_draw (
- dev_priv, first_draw_cmd, usr_cmdbuf, dmabuf,
- usr_vtxbuf, cmdbuf.vb_size, cmdbuf.vb_stride,
- cmdbuf.nbox, usr_boxes);
+ ret =
+ savage_dispatch_draw(dev_priv, first_draw_cmd, usr_cmdbuf,
+ dmabuf, usr_vtxbuf, cmdbuf.vb_size,
+ cmdbuf.vb_stride, cmdbuf.nbox,
+ usr_boxes);
if (ret != 0) {
DMA_FLUSH();
return ret;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-18 19:37:41 +0000