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panfrost: Bookkeep transient indices

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The batch now temporarily possesses the transient buffer, so it'll need
to remember that to free it later.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
This commit is contained in:
Alyssa Rosenzweig 2019-07-12 12:53:36 -07:00
parent 00c9a1cb75
commit 0f5ad9efcc
3 changed files with 16 additions and 2 deletions
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14
src/gallium/drivers/panfrost/pan_allocate.c
View file

@ -59,7 +59,7 @@ panfrost_allocate_chunk(struct panfrost_context *ctx, size_t size, unsigned heap
/* Allocate a new transient slab */
static struct panfrost_bo *
panfrost_create_slab(struct panfrost_screen *screen)
panfrost_create_slab(struct panfrost_screen *screen, unsigned *index)
{
/* Allocate a new slab on the screen */
@ -70,6 +70,10 @@ panfrost_create_slab(struct panfrost_screen *screen)
struct panfrost_bo *alloc = panfrost_drm_create_bo(screen, TRANSIENT_SLAB_SIZE, 0);
*new = alloc;
/* Return the BO as well as the index we just added */
*index = util_dynarray_num_elements(&screen->transient_bo, void *) - 1;
return alloc;
}
@ -81,6 +85,7 @@ struct panfrost_transfer
panfrost_allocate_transient(struct panfrost_context *ctx, size_t sz)
{
struct panfrost_screen *screen = pan_screen(ctx->base.screen);
struct panfrost_job *batch = panfrost_get_job_for_fbo(ctx);
/* Pad the size */
sz = ALIGN_POT(sz, ALIGNMENT);
@ -94,8 +99,13 @@ panfrost_allocate_transient(struct panfrost_context *ctx, size_t sz)
if (sz < TRANSIENT_SLAB_SIZE) {
/* TODO: Lookup free */
unsigned index = 0;
if (!bo)
bo = panfrost_create_slab(screen);
bo = panfrost_create_slab(screen, &index);
/* Remember we created this */
util_dynarray_append(&batch->transient_indices, unsigned, index);
update_offset = true;
} else {

1
src/gallium/drivers/panfrost/pan_job.c
View file

@ -45,6 +45,7 @@ panfrost_create_job(struct panfrost_context *ctx)
util_dynarray_init(&job->headers, job);
util_dynarray_init(&job->gpu_headers, job);
util_dynarray_init(&job->transient_indices, job);
return job;
}

3
src/gallium/drivers/panfrost/pan_job.h
View file

@ -106,6 +106,9 @@ struct panfrost_job {
/* BOs referenced -- will be used for flushing logic */
struct set *bos;
/* Indices of transient BOs referenced */
struct util_dynarray transient_indices;
};
/* Functions for managing the above */