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Date: Sun, 10 Dec 2023 09:20:16 +0530
From: Venkata Prasad Potturu <venkataprasad.potturu@....com>
To: Cristian Ciocaltea <cristian.ciocaltea@...labora.com>,
Liam Girdwood <lgirdwood@...il.com>,
Mark Brown <broonie@...nel.org>,
Jaroslav Kysela <perex@...ex.cz>,
Takashi Iwai <tiwai@...e.com>,
Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>,
Peter Ujfalusi <peter.ujfalusi@...ux.intel.com>,
Bard Liao <yung-chuan.liao@...ux.intel.com>,
Ranjani Sridharan <ranjani.sridharan@...ux.intel.com>,
Daniel Baluta <daniel.baluta@....com>,
Kai Vehmanen <kai.vehmanen@...ux.intel.com>,
Alper Nebi Yasak <alpernebiyasak@...il.com>,
Syed Saba Kareem <Syed.SabaKareem@....com>,
Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>,
Marian Postevca <posteuca@...ex.one>,
Vijendar Mukunda <Vijendar.Mukunda@....com>,
V sujith kumar Reddy <Vsujithkumar.Reddy@....com>,
Mastan Katragadda <Mastan.Katragadda@....com>,
Ajit Kumar Pandey <AjitKumar.Pandey@....com>
Cc: linux-sound@...r.kernel.org, linux-kernel@...r.kernel.org,
sound-open-firmware@...a-project.org, kernel@...labora.com
Subject: Re: [PATCH 09/11] ASoC: SOF: amd: Compute file paths on firmware load
On 12/10/23 02:23, Cristian Ciocaltea wrote:
> Commit 6c393ebbd74a ("ASoC: SOF: core: Implement IPC version fallback if
> firmware files are missing") changed the order of some operations and
> the firmware paths are not available anymore at snd_sof_probe() time.
>
> Precisely, fw_filename_prefix is set by sof_select_ipc_and_paths() via
>
> plat_data->fw_filename_prefix = out_profile.fw_path;
>
> but sof_init_environment() which calls this function was moved from
> snd_sof_device_probe() to sof_probe_continue(). Moreover,
> snd_sof_probe() was moved from sof_probe_continue() to
> sof_init_environment(), but before the call to
> sof_select_ipc_and_paths().
>
> The problem here is that amd_sof_acp_probe() uses fw_filename_prefix to
> compute fw_code_bin and fw_data_bin paths, and because the field is not
> yet initialized, the paths end up containing (null):
>
> snd_sof_amd_vangogh 0000:04:00.5: Direct firmware load for (null)/sof-vangogh-code.bin failed with error -2
> snd_sof_amd_vangogh 0000:04:00.5: sof signed firmware code bin is missing
> snd_sof_amd_vangogh 0000:04:00.5: error: failed to load DSP firmware -2
> snd_sof_amd_vangogh: probe of 0000:04:00.5 failed with error -2
>
> Move usage of fw_filename_prefix right before request_firmware() calls
> in acp_sof_load_signed_firmware().
>
> Fixes: 6c393ebbd74a ("ASoC: SOF: core: Implement IPC version fallback if firmware files are missing")
> Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@...labora.com>
> ---
> sound/soc/sof/amd/acp-loader.c | 32 ++++++++++++++++++++++++++------
> sound/soc/sof/amd/acp.c | 7 ++-----
> 2 files changed, 28 insertions(+), 11 deletions(-)
>
> diff --git a/sound/soc/sof/amd/acp-loader.c b/sound/soc/sof/amd/acp-loader.c
> index e05eb7a86dd4..d2d21478399e 100644
> --- a/sound/soc/sof/amd/acp-loader.c
> +++ b/sound/soc/sof/amd/acp-loader.c
> @@ -267,29 +267,49 @@ int acp_sof_load_signed_firmware(struct snd_sof_dev *sdev)
> {
> struct snd_sof_pdata *plat_data = sdev->pdata;
> struct acp_dev_data *adata = plat_data->hw_pdata;
> + const char *fw_filename;
> int ret;
>
> - ret = request_firmware(&sdev->basefw.fw, adata->fw_code_bin, sdev->dev);
> + fw_filename = kasprintf(GFP_KERNEL, "%s/%s",
> + plat_data->fw_filename_prefix,
> + adata->fw_code_bin);
File path already saved in adata->fw_code_bin in amd_sof_acp_probe function.
No need to get it again.
> + if (!fw_filename)
> + return -ENOMEM;
> +
> + ret = request_firmware(&sdev->basefw.fw, fw_filename, sdev->dev);
> if (ret < 0) {
> + kfree(fw_filename);
> dev_err(sdev->dev, "sof signed firmware code bin is missing\n");
> return ret;
> } else {
> - dev_dbg(sdev->dev, "request_firmware %s successful\n", adata->fw_code_bin);
> + dev_dbg(sdev->dev, "request_firmware %s successful\n", fw_filename);
> }
> + kfree(fw_filename);
> +
> ret = snd_sof_dsp_block_write(sdev, SOF_FW_BLK_TYPE_IRAM, 0,
> - (void *)sdev->basefw.fw->data, sdev->basefw.fw->size);
> + (void *)sdev->basefw.fw->data,
> + sdev->basefw.fw->size);
> +
> + fw_filename = kasprintf(GFP_KERNEL, "%s/%s",
> + plat_data->fw_filename_prefix,
> + adata->fw_data_bin);
> + if (!fw_filename)
> + return -ENOMEM;
>
> - ret = request_firmware(&adata->fw_dbin, adata->fw_data_bin, sdev->dev);
> + ret = request_firmware(&adata->fw_dbin, fw_filename, sdev->dev);
> if (ret < 0) {
> + kfree(fw_filename);
> dev_err(sdev->dev, "sof signed firmware data bin is missing\n");
> return ret;
>
> } else {
> - dev_dbg(sdev->dev, "request_firmware %s successful\n", adata->fw_data_bin);
> + dev_dbg(sdev->dev, "request_firmware %s successful\n", fw_filename);
> }
> + kfree(fw_filename);
>
> ret = snd_sof_dsp_block_write(sdev, SOF_FW_BLK_TYPE_DRAM, 0,
> - (void *)adata->fw_dbin->data, adata->fw_dbin->size);
> + (void *)adata->fw_dbin->data,
> + adata->fw_dbin->size);
> return ret;
> }
> EXPORT_SYMBOL_NS(acp_sof_load_signed_firmware, SND_SOC_SOF_AMD_COMMON);
> diff --git a/sound/soc/sof/amd/acp.c b/sound/soc/sof/amd/acp.c
> index 1e9840ae8938..87c5c71eac68 100644
> --- a/sound/soc/sof/amd/acp.c
> +++ b/sound/soc/sof/amd/acp.c
> @@ -479,7 +479,6 @@ EXPORT_SYMBOL_NS(amd_sof_acp_resume, SND_SOC_SOF_AMD_COMMON);
> int amd_sof_acp_probe(struct snd_sof_dev *sdev)
> {
> struct pci_dev *pci = to_pci_dev(sdev->dev);
> - struct snd_sof_pdata *plat_data = sdev->pdata;
> struct acp_dev_data *adata;
> const struct sof_amd_acp_desc *chip;
> const struct dmi_system_id *dmi_id;
> @@ -547,8 +546,7 @@ int amd_sof_acp_probe(struct snd_sof_dev *sdev)
> dmi_id = dmi_first_match(acp_sof_quirk_table);
> if (dmi_id && dmi_id->driver_data) {
> adata->fw_code_bin = devm_kasprintf(sdev->dev, GFP_KERNEL,
> - "%s/sof-%s-code.bin",
> - plat_data->fw_filename_prefix,
> + "sof-%s-code.bin",
> chip->name);
> if (!adata->fw_code_bin) {
> ret = -ENOMEM;
> @@ -556,8 +554,7 @@ int amd_sof_acp_probe(struct snd_sof_dev *sdev)
> }
>
> adata->fw_data_bin = devm_kasprintf(sdev->dev, GFP_KERNEL,
> - "%s/sof-%s-data.bin",
> - plat_data->fw_filename_prefix,
> + "sof-%s-data.bin",
> chip->name);
> if (!adata->fw_data_bin) {
> ret = -ENOMEM;
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