linux-kernel - [PATCH 1/2] clk: qcom: mmcc-sdm660: Add necessary CXCs to venus

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Date:   Fri,  8 Oct 2021 12:20:40 +0200
From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
To:     bjorn.andersson@...aro.org
Cc:     agross@...nel.org, mturquette@...libre.com, sboyd@...nel.org,
        linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org,
        linux-kernel@...r.kernel.org, konrad.dybcio@...ainline.org,
        marijn.suijten@...ainline.org, martin.botka@...ainline.org,
        ~postmarketos/upstreaming@...ts.sr.ht, phone-devel@...r.kernel.org,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
Subject: [PATCH 1/2] clk: qcom: mmcc-sdm660: Add necessary CXCs to venus_gdsc

As also shown on downstream dts[1], for a correct operation of the
Venus block, we have to retain MEM/PERIPH when halting the video_core,
video_axi and video_subcore0 branches: add these CXCs to the main
Venus GDSC.

[1]: https://github.com/sonyxperiadev/kernel/blob/aosp/LA.UM.6.4.r1/arch/arm/boot/dts/qcom/sdm660-vidc.dtsi#L80

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
---
 drivers/clk/qcom/mmcc-sdm660.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/clk/qcom/mmcc-sdm660.c b/drivers/clk/qcom/mmcc-sdm660.c
index 9bfce9c31ca7..c5fdc36e3c34 100644
--- a/drivers/clk/qcom/mmcc-sdm660.c
+++ b/drivers/clk/qcom/mmcc-sdm660.c
@@ -2560,6 +2560,8 @@ static struct clk_branch video_subcore0_clk = {
 
 static struct gdsc venus_gdsc = {
 	.gdscr = 0x1024,
+	.cxcs = (unsigned int[]){ 0x1028, 0x1034, 0x1048 },
+	.cxc_count = 3,
 	.pd = {
 		.name = "venus",
 	},
-- 
2.33.0