From: Marek Olšák <[email protected]>
It's not needed. The hw doesn't fetch ahead over page boundaries.
---
src/gallium/drivers/radeonsi/si_shader.c | 6 ------
1 file changed, 6 deletions(-)
diff --git a/src/gallium/drivers/radeonsi/si_shader.c
b/src/gallium/drivers/radeonsi/si_shader.c
index 3ca2aa5..108386e 100644
--- a/src/gallium/drivers/radeonsi/si_shader.c
+++ b/src/gallium/drivers/radeonsi/si_shader.c
@@ -4751,26 +4751,20 @@ int si_shader_binary_upload(struct si_screen *sscreen,
struct si_shader *shader)
(!epilog ? mainb->rodata_size : 0);
unsigned char *ptr;
assert(!prolog || !prolog->rodata_size);
assert(!previous_stage || !previous_stage->rodata_size);
assert(!prolog2 || !prolog2->rodata_size);
assert((!prolog && !previous_stage && !prolog2 && !epilog) ||
!mainb->rodata_size);
assert(!epilog || !epilog->rodata_size);
- /* GFX9 can fetch at most 128 bytes past the end of the shader.
- * Prevent VM faults.
- */
- if (sscreen->b.chip_class >= GFX9)
- bo_size += 128;
-
r600_resource_reference(&shader->bo, NULL);
shader->bo = (struct r600_resource*)
pipe_buffer_create(&sscreen->b.b, 0,
PIPE_USAGE_IMMUTABLE,
align(bo_size, SI_CPDMA_ALIGNMENT));
if (!shader->bo)
return -ENOMEM;
/* Upload. */
ptr = sscreen->b.ws->buffer_map(shader->bo->buf, NULL,
--
2.7.4
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