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lima: add lima_submit_create_stream_bo 

For creating stream buffer which is used in single submit
and freed after the submit is passed to kernel driver.

Reviewed-by: Vasily Khoruzhick <anarsoul@gmail.com>
Signed-off-by: Qiang Yu <yuq825@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3755>
This commit is contained in:
Qiang Yu 2020-02-09 09:37:53 +08:00 committed by Marge Bot
parent 5c78ba6014
commit e90d8b6e4d
2 changed files with 26 additions and 11 deletions
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35
src/gallium/drivers/lima/lima_submit.c
View File

@ -170,6 +170,27 @@ bool lima_submit_has_bo(struct lima_submit *submit, struct lima_bo *bo, bool all
return false;
}
void *
lima_submit_create_stream_bo(struct lima_submit *submit, int pipe,
unsigned size, uint32_t *va)
{
struct lima_context *ctx = submit->ctx;
void *cpu;
unsigned offset;
struct pipe_resource *pres = NULL;
u_upload_alloc(ctx->uploader, 0, size, 0x40, &offset, &pres, &cpu);
struct lima_resource *res = lima_resource(pres);
*va = res->bo->va + offset;
lima_submit_add_bo(submit, pipe, res->bo, LIMA_SUBMIT_BO_READ);
pipe_resource_reference(&pres, NULL);
return cpu;
}
static inline bool
lima_submit_dirty(struct lima_submit *submit)
{
@ -228,14 +249,9 @@ lima_pack_reload_plbu_cmd(struct lima_submit *submit)
struct lima_context *ctx = submit->ctx;
void *cpu;
unsigned offset;
struct pipe_resource *pres = NULL;
u_upload_alloc(ctx->uploader, 0, lima_reload_buffer_size,
0x40, &offset, &pres, &cpu);
struct lima_resource *res = lima_resource(pres);
uint32_t va = res->bo->va + offset;
uint32_t va;
void *cpu = lima_submit_create_stream_bo(
submit, LIMA_PIPE_PP, lima_reload_buffer_size, &va);
struct lima_screen *screen = lima_screen(ctx->base.screen);
@ -289,9 +305,6 @@ lima_pack_reload_plbu_cmd(struct lima_submit *submit)
memcpy(cpu + lima_reload_varying_offset, reload_varying,
sizeof(reload_varying));
lima_submit_add_bo(submit, LIMA_PIPE_PP, res->bo, LIMA_SUBMIT_BO_READ);
pipe_resource_reference(&pres, NULL);
PLBU_CMD_BEGIN(&ctx->plbu_cmd_head, 20);
PLBU_CMD_VIEWPORT_LEFT(0);

2
src/gallium/drivers/lima/lima_submit.h
View File

@ -34,6 +34,8 @@ struct lima_bo;
bool lima_submit_add_bo(struct lima_submit *submit, int pipe,
struct lima_bo *bo, uint32_t flags);
bool lima_submit_has_bo(struct lima_submit *submit, struct lima_bo *bo, bool all);
void *lima_submit_create_stream_bo(struct lima_submit *submit, int pipe,
unsigned size, uint32_t *va);
bool lima_submit_init(struct lima_context *ctx);
void lima_submit_fini(struct lima_context *ctx);