Mesa (master): i915g: kill relocs accouting

Daniel Vetter danvet at kemper.freedesktop.org
Tue Mar 1 21:17:57 UTC 2011


Module: Mesa
Branch: master
Commit: 8f9e546fde27db75ea87bcf8ae333bc70616deb4
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=8f9e546fde27db75ea87bcf8ae333bc70616deb4

Author: Daniel Vetter <daniel.vetter at ffwll.ch>
Date:   Sat Feb 26 21:40:52 2011 +0100

i915g: kill relocs accouting

No one ever cared. libdrm does dynamic resizing of its reloc-table,
anyway.

Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch>

---

 src/gallium/drivers/i915/i915_batch.h              |    4 ++--
 src/gallium/drivers/i915/i915_batchbuffer.h        |    6 ++----
 src/gallium/drivers/i915/i915_blit.c               |    8 ++++----
 src/gallium/drivers/i915/i915_flush.c              |    4 ++--
 src/gallium/drivers/i915/i915_prim_emit.c          |    4 ++--
 src/gallium/drivers/i915/i915_prim_vbuf.c          |   12 ++++++------
 src/gallium/drivers/i915/i915_state_emit.c         |   11 ++---------
 src/gallium/drivers/i915/i915_winsys.h             |    1 -
 src/gallium/winsys/i915/drm/i915_drm_batchbuffer.c |    3 ---
 src/gallium/winsys/i915/sw/i915_sw_batchbuffer.c   |    3 ---
 10 files changed, 20 insertions(+), 36 deletions(-)

diff --git a/src/gallium/drivers/i915/i915_batch.h b/src/gallium/drivers/i915/i915_batch.h
index 6e93da7..039c871 100644
--- a/src/gallium/drivers/i915/i915_batch.h
+++ b/src/gallium/drivers/i915/i915_batch.h
@@ -31,8 +31,8 @@
 #include "i915_batchbuffer.h"
 
 
-#define BEGIN_BATCH(dwords, relocs) \
-   (i915_winsys_batchbuffer_check(i915->batch, dwords, relocs))
+#define BEGIN_BATCH(dwords) \
+   (i915_winsys_batchbuffer_check(i915->batch, dwords))
 
 #define OUT_BATCH(dword) \
    i915_winsys_batchbuffer_dword(i915->batch, dword)
diff --git a/src/gallium/drivers/i915/i915_batchbuffer.h b/src/gallium/drivers/i915/i915_batchbuffer.h
index ada713b..9df8227 100644
--- a/src/gallium/drivers/i915/i915_batchbuffer.h
+++ b/src/gallium/drivers/i915/i915_batchbuffer.h
@@ -41,11 +41,9 @@ i915_winsys_batchbuffer_space(struct i915_winsys_batchbuffer *batch)
 
 static INLINE boolean
 i915_winsys_batchbuffer_check(struct i915_winsys_batchbuffer *batch,
-                              size_t dwords,
-                              size_t relocs)
+                              size_t dwords)
 {
-   return dwords * 4 <= i915_winsys_batchbuffer_space(batch) &&
-          relocs <= (batch->max_relocs - batch->relocs);
+   return dwords * 4 <= i915_winsys_batchbuffer_space(batch);
 }
 
 static INLINE void
diff --git a/src/gallium/drivers/i915/i915_blit.c b/src/gallium/drivers/i915/i915_blit.c
index f885417..baaed37 100644
--- a/src/gallium/drivers/i915/i915_blit.c
+++ b/src/gallium/drivers/i915/i915_blit.c
@@ -71,9 +71,9 @@ i915_fill_blit(struct i915_context *i915,
       return;
    }
 
-   if (!BEGIN_BATCH(6, 1)) {
+   if (!BEGIN_BATCH(6)) {
       FLUSH_BATCH(NULL);
-      assert(BEGIN_BATCH(6, 1));
+      assert(BEGIN_BATCH(6));
    }
    OUT_BATCH(CMD);
    OUT_BATCH(BR13);
@@ -143,9 +143,9 @@ i915_copy_blit(struct i915_context *i915,
     */
    assert (dst_pitch > 0 && src_pitch > 0);
 
-   if (!BEGIN_BATCH(8, 2)) {
+   if (!BEGIN_BATCH(8)) {
       FLUSH_BATCH(NULL);
-      assert(BEGIN_BATCH(8, 2));
+      assert(BEGIN_BATCH(8));
    }
    OUT_BATCH(CMD);
    OUT_BATCH(BR13);
diff --git a/src/gallium/drivers/i915/i915_flush.c b/src/gallium/drivers/i915/i915_flush.c
index 22a2c7b..f2044d6 100644
--- a/src/gallium/drivers/i915/i915_flush.c
+++ b/src/gallium/drivers/i915/i915_flush.c
@@ -59,9 +59,9 @@ static void i915_flush_pipe( struct pipe_context *pipe,
       if (flags & PIPE_FLUSH_TEXTURE_CACHE)
 	 flush |= FLUSH_MAP_CACHE;
 
-      if (!BEGIN_BATCH(1, 0)) {
+      if (!BEGIN_BATCH(1)) {
 	 FLUSH_BATCH(NULL);
-	 assert(BEGIN_BATCH(1, 0));
+	 assert(BEGIN_BATCH(1));
       }
       OUT_BATCH( flush );
    }
diff --git a/src/gallium/drivers/i915/i915_prim_emit.c b/src/gallium/drivers/i915/i915_prim_emit.c
index dd997e2..276e33d 100644
--- a/src/gallium/drivers/i915/i915_prim_emit.c
+++ b/src/gallium/drivers/i915/i915_prim_emit.c
@@ -144,7 +144,7 @@ emit_prim( struct draw_stage *stage,
    vertex_size = i915->current.vertex_info.size * 4; /* in bytes */
    assert(vertex_size >= 12); /* never smaller than 12 bytes */
 
-   if (!BEGIN_BATCH( 1 + nr * vertex_size / 4, 0 )) {
+   if (!BEGIN_BATCH( 1 + nr * vertex_size / 4)) {
       FLUSH_BATCH(NULL);
 
       /* Make sure state is re-emitted after a flush: 
@@ -152,7 +152,7 @@ emit_prim( struct draw_stage *stage,
       i915_update_derived( i915 );
       i915_emit_hardware_state( i915 );
 
-      if (!BEGIN_BATCH( 1 + nr * vertex_size / 4, 0 )) {
+      if (!BEGIN_BATCH( 1 + nr * vertex_size / 4)) {
 	 assert(0);
 	 return;
       }
diff --git a/src/gallium/drivers/i915/i915_prim_vbuf.c b/src/gallium/drivers/i915/i915_prim_vbuf.c
index 3473c86..fb4c051 100644
--- a/src/gallium/drivers/i915/i915_prim_vbuf.c
+++ b/src/gallium/drivers/i915/i915_prim_vbuf.c
@@ -465,7 +465,7 @@ draw_arrays_fallback(struct vbuf_render *render,
    if (i915->hardware_dirty)
       i915_emit_hardware_state(i915);
 
-   if (!BEGIN_BATCH(1 + (nr_indices + 1)/2, 1)) {
+   if (!BEGIN_BATCH(1 + (nr_indices + 1)/2)) {
       FLUSH_BATCH(NULL);
 
       /* Make sure state is re-emitted after a flush:
@@ -474,7 +474,7 @@ draw_arrays_fallback(struct vbuf_render *render,
       i915_emit_hardware_state(i915);
       i915->vbo_flushed = 1;
 
-      if (!BEGIN_BATCH(1 + (nr_indices + 1)/2, 1)) {
+      if (!BEGIN_BATCH(1 + (nr_indices + 1)/2)) {
          assert(0);
          goto out;
       }
@@ -514,7 +514,7 @@ i915_vbuf_render_draw_arrays(struct vbuf_render *render,
    if (i915->hardware_dirty)
       i915_emit_hardware_state(i915);
 
-   if (!BEGIN_BATCH(2, 0)) {
+   if (!BEGIN_BATCH(2)) {
       FLUSH_BATCH(NULL);
 
       /* Make sure state is re-emitted after a flush:
@@ -523,7 +523,7 @@ i915_vbuf_render_draw_arrays(struct vbuf_render *render,
       i915_emit_hardware_state(i915);
       i915->vbo_flushed = 1;
 
-      if (!BEGIN_BATCH(2, 0)) {
+      if (!BEGIN_BATCH(2)) {
          assert(0);
          goto out;
       }
@@ -635,7 +635,7 @@ i915_vbuf_render_draw_elements(struct vbuf_render *render,
    if (i915->hardware_dirty)
       i915_emit_hardware_state(i915);
 
-   if (!BEGIN_BATCH(1 + (nr_indices + 1)/2, 1)) {
+   if (!BEGIN_BATCH(1 + (nr_indices + 1)/2)) {
       FLUSH_BATCH(NULL);
 
       /* Make sure state is re-emitted after a flush: 
@@ -644,7 +644,7 @@ i915_vbuf_render_draw_elements(struct vbuf_render *render,
       i915_emit_hardware_state(i915);
       i915->vbo_flushed = 1;
 
-      if (!BEGIN_BATCH(1 + (nr_indices + 1)/2, 1)) {
+      if (!BEGIN_BATCH(1 + (nr_indices + 1)/2)) {
          assert(0);
          goto out;
       }
diff --git a/src/gallium/drivers/i915/i915_state_emit.c b/src/gallium/drivers/i915/i915_state_emit.c
index cefc4d3..15350c0 100644
--- a/src/gallium/drivers/i915/i915_state_emit.c
+++ b/src/gallium/drivers/i915/i915_state_emit.c
@@ -403,13 +403,7 @@ void
 i915_emit_hardware_state(struct i915_context *i915 )
 {
    unsigned batch_space;
-   /* XXX: there must be an easier way */
-   const unsigned relocs = ( I915_TEX_UNITS +
-                             3
-                           ) * 3/2; /* plus 50% margin */
-
    uintptr_t save_ptr;
-   size_t save_relocs;
 
    if (I915_DBG_ON(DBG_ATOMS))
       i915_dump_hardware_dirty(i915, __FUNCTION__);
@@ -419,14 +413,13 @@ i915_emit_hardware_state(struct i915_context *i915 )
       assert(i915_validate_state(i915, &batch_space));
    }
 
-   if(!BEGIN_BATCH(batch_space, relocs)) {
+   if(!BEGIN_BATCH(batch_space)) {
       FLUSH_BATCH(NULL);
       assert(i915_validate_state(i915, &batch_space));
-      assert(BEGIN_BATCH(batch_space, relocs));
+      assert(BEGIN_BATCH(batch_space));
    }
 
    save_ptr = (uintptr_t)i915->batch->ptr;
-   save_relocs = i915->batch->relocs;
 
 #define EMIT_ATOM(atom, hw_dirty) \
    if (i915->hardware_dirty & hw_dirty) \
diff --git a/src/gallium/drivers/i915/i915_winsys.h b/src/gallium/drivers/i915/i915_winsys.h
index 4ac2f5b..21cfdc9 100644
--- a/src/gallium/drivers/i915/i915_winsys.h
+++ b/src/gallium/drivers/i915/i915_winsys.h
@@ -76,7 +76,6 @@ struct i915_winsys_batchbuffer {
    size_t size;
 
    size_t relocs;
-   size_t max_relocs;
    /*@}*/
 };
 
diff --git a/src/gallium/winsys/i915/drm/i915_drm_batchbuffer.c b/src/gallium/winsys/i915/drm/i915_drm_batchbuffer.c
index 7cc5af8..03aa1b1 100644
--- a/src/gallium/winsys/i915/drm/i915_drm_batchbuffer.c
+++ b/src/gallium/winsys/i915/drm/i915_drm_batchbuffer.c
@@ -63,7 +63,6 @@ i915_drm_batchbuffer_create(struct i915_winsys *iws)
    batch->base.size = 0;
 
    batch->base.relocs = 0;
-   batch->base.max_relocs = 300;/*INTEL_DEFAULT_RELOCS;*/
 
    batch->base.iws = iws;
 
@@ -104,8 +103,6 @@ i915_drm_batchbuffer_reloc(struct i915_winsys_batchbuffer *ibatch,
    unsigned offset;
    int ret = 0;
 
-   assert(batch->base.relocs < batch->base.max_relocs);
-
    switch (usage) {
    case I915_USAGE_SAMPLER:
       write_domain = 0;
diff --git a/src/gallium/winsys/i915/sw/i915_sw_batchbuffer.c b/src/gallium/winsys/i915/sw/i915_sw_batchbuffer.c
index 3d0c1fa..3bf5401 100644
--- a/src/gallium/winsys/i915/sw/i915_sw_batchbuffer.c
+++ b/src/gallium/winsys/i915/sw/i915_sw_batchbuffer.c
@@ -49,7 +49,6 @@ i915_sw_batchbuffer_create(struct i915_winsys *iws)
    batch->base.size = 0;
 
    batch->base.relocs = 0;
-   batch->base.max_relocs = 300;/*INTEL_DEFAULT_RELOCS;*/
 
    batch->base.iws = iws;
 
@@ -75,8 +74,6 @@ i915_sw_batchbuffer_reloc(struct i915_winsys_batchbuffer *ibatch,
    struct i915_sw_batchbuffer *batch = i915_sw_batchbuffer(ibatch);
    int ret = 0;
 
-   assert(batch->base.relocs < batch->base.max_relocs);
-
    if (usage == I915_USAGE_SAMPLER) {
 
    } else if (usage == I915_USAGE_RENDER) {




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