4.9-stable review patch. If anyone has any objections, please let me know.
------------------
From: Pardha Saradhi K pardha.saradhi.kesapragada@intel.com
[ Upstream commit d5cc0a1fcbb5ddbef9fdd4c4a978da3254ddbf37 ]
During firmware and library download, sometimes it is observed that firmware and library download is timed-out resulting into probe failure.
This patch disables dynamic clock gating while firmware and library download.
Signed-off-by: Pardha Saradhi K pardha.saradhi.kesapragada@intel.com Signed-off-by: Sanyog Kale sanyog.r.kale@intel.com Signed-off-by: Guneshwor Singh guneshwor.o.singh@intel.com Acked-By: Vinod Koul vinod.koul@intel.com Signed-off-by: Mark Brown broonie@kernel.org Signed-off-by: Sasha Levin alexander.levin@microsoft.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- sound/soc/intel/skylake/skl-messages.c | 4 ++++ sound/soc/intel/skylake/skl-pcm.c | 4 ++++ 2 files changed, 8 insertions(+)
--- a/sound/soc/intel/skylake/skl-messages.c +++ b/sound/soc/intel/skylake/skl-messages.c @@ -331,7 +331,11 @@ int skl_resume_dsp(struct skl *skl) if (skl->skl_sst->is_first_boot == true) return 0;
+ /* disable dynamic clock gating during fw and lib download */ + ctx->enable_miscbdcge(ctx->dev, false); + ret = skl_dsp_wake(ctx->dsp); + ctx->enable_miscbdcge(ctx->dev, true); if (ret < 0) return ret;
--- a/sound/soc/intel/skylake/skl-pcm.c +++ b/sound/soc/intel/skylake/skl-pcm.c @@ -1191,7 +1191,11 @@ static int skl_platform_soc_probe(struct return -EIO; }
+ /* disable dynamic clock gating during fw and lib download */ + skl->skl_sst->enable_miscbdcge(platform->dev, false); + ret = ops->init_fw(platform->dev, skl->skl_sst); + skl->skl_sst->enable_miscbdcge(platform->dev, true); if (ret < 0) { dev_err(platform->dev, "Failed to boot first fw: %d\n", ret); return ret;