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freedreno/batch: split out helper for rb alloc 

Going to want to re-use this in next patch.

Signed-off-by: Rob Clark <robdclark@chromium.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6475>
This commit is contained in:
Rob Clark 2020-08-26 10:25:16 -07:00 committed by Marge Bot
parent 9522eb7be1
commit 28079970f2
1 changed files with 21 additions and 18 deletions
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39
src/gallium/drivers/freedreno/freedreno_batch.c
View File

@ -35,40 +35,43 @@
#include "freedreno_resource.h"
#include "freedreno_query_hw.h"
static void
batch_init(struct fd_batch *batch)
static struct fd_ringbuffer *
alloc_ring(struct fd_batch *batch, unsigned sz, enum fd_ringbuffer_flags flags)
{
struct fd_context *ctx = batch->ctx;
enum fd_ringbuffer_flags flags = 0;
unsigned size = 0;
/* if kernel is too old to support unlimited # of cmd buffers, we
* have no option but to allocate large worst-case sizes so that
* we don't need to grow the ringbuffer. Performance is likely to
* suffer, but there is no good alternative.
*
* XXX I think we can just require new enough kernel for this?
* Otherwise if supported, allocate a growable ring with initial
* size of zero.
*/
if ((fd_device_version(ctx->screen->dev) < FD_VERSION_UNLIMITED_CMDS) ||
(fd_mesa_debug & FD_DBG_NOGROW)){
size = 0x100000;
} else {
flags = FD_RINGBUFFER_GROWABLE;
if ((fd_device_version(ctx->screen->dev) >= FD_VERSION_UNLIMITED_CMDS) &&
!(fd_mesa_debug & FD_DBG_NOGROW)){
flags |= FD_RINGBUFFER_GROWABLE;
sz = 0;
}
return fd_submit_new_ringbuffer(batch->submit, sz, flags);
}
static void
batch_init(struct fd_batch *batch)
{
struct fd_context *ctx = batch->ctx;
batch->submit = fd_submit_new(ctx->pipe);
if (batch->nondraw) {
batch->draw = fd_submit_new_ringbuffer(batch->submit, size,
FD_RINGBUFFER_PRIMARY | flags);
batch->draw = alloc_ring(batch, 0x100000, FD_RINGBUFFER_PRIMARY);
} else {
batch->gmem = fd_submit_new_ringbuffer(batch->submit, size,
FD_RINGBUFFER_PRIMARY | flags);
batch->draw = fd_submit_new_ringbuffer(batch->submit, size,
flags);
batch->gmem = alloc_ring(batch, 0x100000, FD_RINGBUFFER_PRIMARY);
batch->draw = alloc_ring(batch, 0x100000, 0);
/* a6xx+ re-uses draw rb for both draw and binning pass: */
if (ctx->screen->gpu_id < 600) {
batch->binning = fd_submit_new_ringbuffer(batch->submit,
size, flags);
batch->binning = alloc_ring(batch, 0x100000, 0);
}
}