From: Pardha Saradhi K pardha.saradhi.kesapragada@intel.com
This patch adds support to manage additional cores on a demand basis. For instance, if module is set to run on certain core, the particular core is powered up in module init. The same is again powered down in module unload.
Signed-off-by: Pardha Saradhi K pardha.saradhi.kesapragada@intel.com Signed-off-by: Guneshwor Singh guneshwor.o.singh@intel.com --- sound/soc/intel/skylake/skl-topology.c | 26 ++++++++++++++++++++++---- 1 file changed, 22 insertions(+), 4 deletions(-)
diff --git a/sound/soc/intel/skylake/skl-topology.c b/sound/soc/intel/skylake/skl-topology.c index 8c3ce08f366d..350d2387f737 100644 --- a/sound/soc/intel/skylake/skl-topology.c +++ b/sound/soc/intel/skylake/skl-topology.c @@ -596,24 +596,35 @@ skl_tplg_init_pipe_modules(struct skl *skl, struct skl_pipe *pipe) if (mconfig->id.pvt_id < 0) return ret; skl_tplg_set_module_init_data(w); + + ret = skl_dsp_get_core(ctx->dsp, mconfig->core_id); + if (ret < 0) { + dev_err(ctx->dev, "Failed to wake up core %d ret=%d\n", + mconfig->core_id, ret); + return ret; + } + ret = skl_init_module(ctx, mconfig); if (ret < 0) { skl_put_pvt_id(ctx, uuid_mod, &mconfig->id.pvt_id); - return ret; + goto err; } skl_tplg_alloc_pipe_mcps(skl, mconfig); ret = skl_tplg_set_module_params(w, ctx); if (ret < 0) - return ret; + goto err; }
return 0; +err: + skl_dsp_put_core(ctx->dsp, mconfig->core_id); + return ret; }
static int skl_tplg_unload_pipe_modules(struct skl_sst *ctx, struct skl_pipe *pipe) { - int ret; + int ret = 0; struct skl_pipe_module *w_module = NULL; struct skl_module_cfg *mconfig = NULL;
@@ -630,10 +641,17 @@ static int skl_tplg_unload_pipe_modules(struct skl_sst *ctx, return -EIO; } skl_put_pvt_id(ctx, uuid_mod, &mconfig->id.pvt_id); + + ret = skl_dsp_put_core(ctx->dsp, mconfig->core_id); + if (ret < 0) { + /* don't return; continue with other modules */ + dev_err(ctx->dev, "Failed to sleep core %d ret=%d\n", + mconfig->core_id, ret); + } }
/* no modules to unload in this path, so return */ - return 0; + return ret; }
/*