linux-kernel - [PATCH 3/8] ASoC: SOF: amd: move iram-dram fence register programming sequence

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Message-ID: <20240807051341.1616925-3-Vijendar.Mukunda@amd.com>
Date: Wed, 7 Aug 2024 10:43:15 +0530
From: Vijendar Mukunda <Vijendar.Mukunda@....com>
To: <broonie@...nel.org>
CC: <alsa-devel@...a-project.org>, <Basavaraj.Hiregoudar@....com>,
	<Sunil-kumar.Dommati@....com>, <venkataprasad.potturu@....com>, "Vijendar
 Mukunda" <Vijendar.Mukunda@....com>, Ranjani Sridharan
	<ranjani.sridharan@...ux.intel.com>, Pierre-Louis Bossart
	<pierre-louis.bossart@...ux.intel.com>, Liam Girdwood <lgirdwood@...il.com>,
	Peter Ujfalusi <peter.ujfalusi@...ux.intel.com>, Bard Liao
	<yung-chuan.liao@...ux.intel.com>, Daniel Baluta <daniel.baluta@....com>,
	"Kai Vehmanen" <kai.vehmanen@...ux.intel.com>, Jaroslav Kysela
	<perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>, Cristian Ciocaltea
	<cristian.ciocaltea@...labora.com>, Emil Velikov
	<emil.velikov@...labora.com>, "moderated list:SOUND - SOUND OPEN FIRMWARE
 (SOF) DRIVERS" <sound-open-firmware@...a-project.org>, "open list:SOUND - SOC
 LAYER / DYNAMIC AUDIO POWER MANAGEM..." <linux-sound@...r.kernel.org>, "open
 list" <linux-kernel@...r.kernel.org>
Subject: [PATCH 3/8] ASoC: SOF: amd: move iram-dram fence register programming sequence

As per design, ACP iram-dram fence register sequence should be initiated
before triggering SHA dma. This ensures that IRAM size will programmed
correctly before initiaing SHA dma.

Fixes: 094d11768f74 ("ASoC: SOF: amd: Skip IRAM/DRAM size modification for Steam Deck OLED")
Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@....com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@...ux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
---
 sound/soc/sof/amd/acp.c | 22 +++++++++++-----------
 1 file changed, 11 insertions(+), 11 deletions(-)

diff --git a/sound/soc/sof/amd/acp.c b/sound/soc/sof/amd/acp.c
index 9ce8b5ccb3d7..d0ba641ba28c 100644
--- a/sound/soc/sof/amd/acp.c
+++ b/sound/soc/sof/amd/acp.c
@@ -264,6 +264,17 @@ int configure_and_run_sha_dma(struct acp_dev_data *adata, void *image_addr,
 	snd_sof_dsp_write(sdev, ACP_DSP_BAR, ACP_SHA_DMA_STRT_ADDR, start_addr);
 	snd_sof_dsp_write(sdev, ACP_DSP_BAR, ACP_SHA_DMA_DESTINATION_ADDR, dest_addr);
 	snd_sof_dsp_write(sdev, ACP_DSP_BAR, ACP_SHA_MSG_LENGTH, image_length);
+
+	/* psp_send_cmd only required for vangogh platform (rev - 5) */
+	if (desc->rev == 5 && !(adata->quirks && adata->quirks->skip_iram_dram_size_mod)) {
+		/* Modify IRAM and DRAM size */
+		ret = psp_send_cmd(adata, MBOX_ACP_IRAM_DRAM_FENCE_COMMAND | IRAM_DRAM_FENCE_2);
+		if (ret)
+			return ret;
+		ret = psp_send_cmd(adata, MBOX_ACP_IRAM_DRAM_FENCE_COMMAND | MBOX_ISREADY_FLAG);
+		if (ret)
+			return ret;
+	}
 	snd_sof_dsp_write(sdev, ACP_DSP_BAR, ACP_SHA_DMA_CMD, ACP_SHA_RUN);
 
 	ret = snd_sof_dsp_read_poll_timeout(sdev, ACP_DSP_BAR, ACP_SHA_TRANSFER_BYTE_CNT,
@@ -281,17 +292,6 @@ int configure_and_run_sha_dma(struct acp_dev_data *adata, void *image_addr,
 			return ret;
 	}
 
-	/* psp_send_cmd only required for vangogh platform (rev - 5) */
-	if (desc->rev == 5 && !(adata->quirks && adata->quirks->skip_iram_dram_size_mod)) {
-		/* Modify IRAM and DRAM size */
-		ret = psp_send_cmd(adata, MBOX_ACP_IRAM_DRAM_FENCE_COMMAND | IRAM_DRAM_FENCE_2);
-		if (ret)
-			return ret;
-		ret = psp_send_cmd(adata, MBOX_ACP_IRAM_DRAM_FENCE_COMMAND | MBOX_ISREADY_FLAG);
-		if (ret)
-			return ret;
-	}
-
 	ret = snd_sof_dsp_read_poll_timeout(sdev, ACP_DSP_BAR, ACP_SHA_DSP_FW_QUALIFIER,
 					    fw_qualifier, fw_qualifier & DSP_FW_RUN_ENABLE,
 					    ACP_REG_POLL_INTERVAL, ACP_DMA_COMPLETE_TIMEOUT_US);
-- 
2.34.1