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-rw-r--r--linux/mga_drv.h38
-rw-r--r--linux/mga_state.c43
2 files changed, 45 insertions, 36 deletions
diff --git a/linux/mga_drv.h b/linux/mga_drv.h
index fe9e3dbe..f49bd0f6 100644
--- a/linux/mga_drv.h
+++ b/linux/mga_drv.h
@@ -39,8 +39,8 @@
typedef struct {
u32 buffer_status;
- unsigned int num_dwords;
- unsigned int max_dwords;
+ int num_dwords;
+ int max_dwords;
u32 *current_dma_ptr;
u32 *head;
u32 phys_head;
@@ -209,19 +209,27 @@ typedef struct {
#define PRIMLOCALS u8 tempIndex[4]; u32 *dma_ptr; u32 phys_head; \
int outcount, num_dwords
-#define PRIM_OVERFLOW(dev, dev_priv, length) do { \
- drm_mga_prim_buf_t *tmp_buf = \
- dev_priv->prim_bufs[dev_priv->current_prim_idx]; \
- if( test_bit(MGA_BUF_NEEDS_OVERFLOW, \
- &tmp_buf->buffer_status)) { \
- mga_advance_primary(dev); \
- mga_dma_schedule(dev, 1); \
- } else if( tmp_buf->max_dwords - tmp_buf->num_dwords < length ||\
- tmp_buf->sec_used > MGA_DMA_BUF_NR/2) { \
- set_bit(MGA_BUF_FORCE_FIRE, &tmp_buf->buffer_status); \
- mga_advance_primary(dev); \
- mga_dma_schedule(dev, 1); \
- } \
+#define PRIM_OVERFLOW(dev, dev_priv, length) do { \
+ drm_mga_prim_buf_t *tmp_buf = \
+ dev_priv->prim_bufs[dev_priv->current_prim_idx]; \
+ if( test_bit(MGA_BUF_NEEDS_OVERFLOW, \
+ &tmp_buf->buffer_status)) { \
+ mga_advance_primary(dev); \
+ mga_dma_schedule(dev, 1); \
+ tmp_buf = dev_priv->prim_bufs[dev_priv->current_prim_idx]; \
+ } else if( tmp_buf->max_dwords - tmp_buf->num_dwords < length || \
+ tmp_buf->sec_used > MGA_DMA_BUF_NR/2) { \
+ set_bit(MGA_BUF_FORCE_FIRE, &tmp_buf->buffer_status); \
+ mga_advance_primary(dev); \
+ mga_dma_schedule(dev, 1); \
+ tmp_buf = dev_priv->prim_bufs[dev_priv->current_prim_idx]; \
+ } \
+ if(MGA_VERBOSE) \
+ DRM_DEBUG("PRIMGETPTR in %s\n", __FUNCTION__); \
+ dma_ptr = tmp_buf->current_dma_ptr; \
+ num_dwords = tmp_buf->num_dwords; \
+ phys_head = tmp_buf->phys_head; \
+ outcount = 0; \
} while(0)
#define PRIMGETPTR(dev_priv) do { \
diff --git a/linux/mga_state.c b/linux/mga_state.c
index 723ccc53..430a5e21 100644
--- a/linux/mga_state.c
+++ b/linux/mga_state.c
@@ -34,6 +34,22 @@
#include "mga_drv.h"
#include "drm.h"
+/* If you change the functions to set state, PLEASE
+ * change these values
+ */
+
+#define MGAEMITCLIP_SIZE 10
+#define MGAEMITCTX_SIZE 15
+#define MGAG200EMITTEX_SIZE 20
+#define MGAG400EMITTEX0_SIZE 30
+#define MGAG400EMITTEX1_SIZE 25
+#define MGAG400EMITPIPE_SIZE 50
+#define MGAG200EMITPIPE_SIZE 15
+
+#define MAX_STATE_SIZE ((MGAEMITCLIP_SIZE * MGA_NR_SAREA_CLIPRECTS) + \
+ MGAEMITCTX_SIZE + MGAG400EMITTEX0_SIZE + \
+ MGAG400EMITTEX1_SIZE + MGAG400EMITPIPE_SIZE)
+
static void mgaEmitClipRect(drm_mga_private_t * dev_priv,
drm_clip_rect_t * box)
{
@@ -224,7 +240,6 @@ static void mgaG400EmitTex1(drm_mga_private_t * dev_priv)
PRIMADVANCE(dev_priv);
}
-#define EMIT_PIPE 50
static void mgaG400EmitPipe(drm_mga_private_t * dev_priv)
{
drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
@@ -492,7 +507,6 @@ static void mga_dma_dispatch_tex_blit(drm_device_t * dev,
y2 = length / 64;
PRIM_OVERFLOW(dev, dev_priv, 30);
- PRIMGETPTR(dev_priv);
PRIMOUTREG(MGAREG_DSTORG, destOrg);
PRIMOUTREG(MGAREG_MACCESS, 0x00000000);
@@ -526,7 +540,6 @@ static void mga_dma_dispatch_vertex(drm_device_t * dev, drm_buf_t * buf)
int length = buf->used;
int use_agp = PDEA_pagpxfer_enable;
int i = 0;
- int primary_needed;
PRIMLOCALS;
DRM_DEBUG("%s\n", __FUNCTION__);
@@ -542,9 +555,8 @@ static void mga_dma_dispatch_vertex(drm_device_t * dev, drm_buf_t * buf)
* these numbers (Overestimating this doesn't hurt).
*/
buf_priv->dispatched = 1;
- primary_needed = (50 + 15 + 15 + 30 + 25 +
- 10 + 15 * MGA_NR_SAREA_CLIPRECTS);
- PRIM_OVERFLOW(dev, dev_priv, primary_needed);
+ PRIM_OVERFLOW(dev, dev_priv,
+ (MAX_STATE_SIZE + (5 * MGA_NR_SAREA_CLIPRECTS)));
mgaEmitState(dev_priv);
do {
if (i < sarea_priv->nbox) {
@@ -592,7 +604,6 @@ static void mga_dma_dispatch_indices(drm_device_t * dev,
unsigned int address = (unsigned int) buf->bus_address;
int use_agp = PDEA_pagpxfer_enable;
int i = 0;
- int primary_needed;
PRIMLOCALS;
DRM_DEBUG("%s\n", __FUNCTION__);
@@ -606,9 +617,8 @@ static void mga_dma_dispatch_indices(drm_device_t * dev,
* these numbers (Overestimating this doesn't hurt).
*/
buf_priv->dispatched = 1;
- primary_needed = (50 + 15 + 15 + 30 + 25 +
- 10 + 15 * MGA_NR_SAREA_CLIPRECTS);
- PRIM_OVERFLOW(dev, dev_priv, primary_needed);
+ PRIM_OVERFLOW(dev, dev_priv,
+ (MAX_STATE_SIZE + (5 * MGA_NR_SAREA_CLIPRECTS)));
mgaEmitState(dev_priv);
do {
@@ -657,7 +667,6 @@ static void mga_dma_dispatch_clear(drm_device_t * dev, int flags,
drm_clip_rect_t *pbox = sarea_priv->boxes;
unsigned int cmd;
int i;
- int primary_needed;
PRIMLOCALS;
DRM_DEBUG("%s\n", __FUNCTION__);
@@ -666,11 +675,7 @@ static void mga_dma_dispatch_clear(drm_device_t * dev, int flags,
else
cmd = MGA_CLEAR_CMD | DC_atype_rstr;
- primary_needed = nbox * 70;
- if (primary_needed == 0)
- primary_needed = 70;
- PRIM_OVERFLOW(dev, dev_priv, primary_needed);
- PRIMGETPTR(dev_priv);
+ PRIM_OVERFLOW(dev, dev_priv, 35 * MGA_NR_SAREA_CLIPRECTS);
for (i = 0; i < nbox; i++) {
unsigned int height = pbox[i].y2 - pbox[i].y1;
@@ -741,14 +746,10 @@ static void mga_dma_dispatch_swap(drm_device_t * dev)
int nbox = sarea_priv->nbox;
drm_clip_rect_t *pbox = sarea_priv->boxes;
int i;
- int primary_needed;
PRIMLOCALS;
DRM_DEBUG("%s\n", __FUNCTION__);
- primary_needed = nbox * 5;
- primary_needed += 65;
- PRIM_OVERFLOW(dev, dev_priv, primary_needed);
- PRIMGETPTR(dev_priv);
+ PRIM_OVERFLOW(dev, dev_priv, (MGA_NR_SAREA_CLIPRECTS * 5) + 20);
PRIMOUTREG(MGAREG_DMAPAD, 0);
PRIMOUTREG(MGAREG_DMAPAD, 0);
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-31 18:56:51 +0000