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panfrost/nondrm: Flag CPU-invisible regions

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Potentially, the kernel could optimize these allocations, or perhaps we
can save on mapping costs.

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
This commit is contained in:
Alyssa Rosenzweig
2019-02-25 02:31:09 +00:00
parent 10cc251842
commit f44d4653a9
2 changed files with 4 additions and 3 deletions
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6
src/gallium/drivers/panfrost/pan_context.c
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@@ -2727,10 +2727,10 @@ panfrost_setup_hardware(struct panfrost_context *ctx)
}
screen->driver->allocate_slab(screen, &ctx->scratchpad, 64, false, 0, 0, 0);
screen->driver->allocate_slab(screen, &ctx->varying_mem, 16384, false, 0, 0, 0);
screen->driver->allocate_slab(screen, &ctx->varying_mem, 16384, false, PAN_ALLOCATE_INVISIBLE, 0, 0);
screen->driver->allocate_slab(screen, &ctx->shaders, 4096, true, PAN_ALLOCATE_EXECUTE, 0, 0);
screen->driver->allocate_slab(screen, &ctx->tiler_heap, 32768, false, PAN_ALLOCATE_GROWABLE, 1, 128);
screen->driver->allocate_slab(screen, &ctx->misc_0, 128*128, false, PAN_ALLOCATE_GROWABLE, 1, 128);
screen->driver->allocate_slab(screen, &ctx->tiler_heap, 32768, false, PAN_ALLOCATE_INVISIBLE | PAN_ALLOCATE_GROWABLE, 1, 128);
screen->driver->allocate_slab(screen, &ctx->misc_0, 128*128, false, PAN_ALLOCATE_INVISIBLE | PAN_ALLOCATE_GROWABLE, 1, 128);
}

1
src/gallium/drivers/panfrost/pan_screen.h
View File

@@ -46,6 +46,7 @@ struct panfrost_screen;
/* Flags for allocated memory */
#define PAN_ALLOCATE_EXECUTE (1 << 0)
#define PAN_ALLOCATE_GROWABLE (1 << 1)
#define PAN_ALLOCATE_INVISIBLE (1 << 2)
struct panfrost_driver {
struct panfrost_bo * (*import_bo) (struct panfrost_screen *screen, struct winsys_handle *whandle);