[PATCH 13/16] ASoC: SOF: amd: load ACP7.B/7.F signed data firmware to SRAM

From: Vijendar Mukunda

Date: Wed Jul 01 2026 - 06:04:47 EST


ACP7.B and ACP7.F signed firmware data blocks must be written to SRAM
instead of DRAM. Select SOF_FW_BLK_TYPE_SRAM for PCI revision 0x7B and
above in acp_sof_load_signed_firmware().

Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@xxxxxxx>
Reviewed-by: Bard Liao <yung-chuan.liao@xxxxxxxxxxxxxxx>
---
sound/soc/sof/amd/acp-loader.c | 11 ++++++++---
1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/sound/soc/sof/amd/acp-loader.c b/sound/soc/sof/amd/acp-loader.c
index 76335c78255f..f1ec85694323 100644
--- a/sound/soc/sof/amd/acp-loader.c
+++ b/sound/soc/sof/amd/acp-loader.c
@@ -334,9 +334,14 @@ int acp_sof_load_signed_firmware(struct snd_sof_dev *sdev)
}
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);
+ if (adata->pci_rev >= ACP7B_PCI_ID)
+ ret = snd_sof_dsp_block_write(sdev, SOF_FW_BLK_TYPE_SRAM, 0,
+ (void *)adata->fw_dbin->data,
+ adata->fw_dbin->size);
+ else
+ ret = snd_sof_dsp_block_write(sdev, SOF_FW_BLK_TYPE_DRAM, 0,
+ (void *)adata->fw_dbin->data,
+ adata->fw_dbin->size);
return ret;
}
EXPORT_SYMBOL_NS(acp_sof_load_signed_firmware, "SND_SOC_SOF_AMD_COMMON");
--
2.45.2