linux-kernel - [PATCH v2] soc: qcom: llcc: Enable LLCC

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Message-Id: <20241212-topic-llcc_x1e_wrcache-v2-1-e44d3058d06c@oss.qualcomm.com>
Date: Thu, 12 Dec 2024 17:32:24 +0100
From: Konrad Dybcio <konradybcio@...nel.org>
To: Bjorn Andersson <andersson@...nel.org>, 
 Konrad Dybcio <konradybcio@...nel.org>, 
 Sibi Sankar <quic_sibis@...cinc.com>, 
 Bryan O'Donoghue <bryan.odonoghue@...aro.org>, 
 Rajendra Nayak <quic_rjendra@...cinc.com>
Cc: Marijn Suijten <marijn.suijten@...ainline.org>, 
 linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Johan Hovold <johan@...nel.org>, 
 Konrad Dybcio <konrad.dybcio@....qualcomm.com>, stable@...r.kernel.org
Subject: [PATCH v2] soc: qcom: llcc: Enable LLCC_WRCACHE at boot on X1

From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>

Do so in accordance with the internal recommendations.

Fixes: b3cf69a43502 ("soc: qcom: llcc: Add configuration data for X1E80100")
Cc: stable@...r.kernel.org
Reviewed-by: Rajendra Nayak <quic_rjendra@...cinc.com>
Signed-off-by: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
---
Changes in v2:
- Cc stable
- Add more context lines
- Pick up r-b
- Link to v1: https://lore.kernel.org/r/20241207-topic-llcc_x1e_wrcache-v1-1-232e6aff49e4@oss.qualcomm.com
---
 drivers/soc/qcom/llcc-qcom.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/soc/qcom/llcc-qcom.c b/drivers/soc/qcom/llcc-qcom.c
index 32c3bc887cefb87c296e3ba67a730c87fa2fa346..1560db00a01248197e5c2936e785a5ea77f74ad8 100644
--- a/drivers/soc/qcom/llcc-qcom.c
+++ b/drivers/soc/qcom/llcc-qcom.c
@@ -2997,20 +2997,21 @@ static const struct llcc_slice_config x1e80100_data[] = {
 		.bonus_ways = 0xfff,
 		.cache_mode = 0,
 	}, {
 		.usecase_id = LLCC_WRCACHE,
 		.slice_id = 31,
 		.max_cap = 1024,
 		.priority = 1,
 		.fixed_size = true,
 		.bonus_ways = 0xfff,
 		.cache_mode = 0,
+		.activate_on_init = true,
 	}, {
 		.usecase_id = LLCC_CAMEXP0,
 		.slice_id = 4,
 		.max_cap = 256,
 		.priority = 4,
 		.fixed_size = true,
 		.bonus_ways = 0x3,
 		.cache_mode = 0,
 	}, {
 		.usecase_id = LLCC_CAMEXP1,

---
base-commit: 3e42dc9229c5950e84b1ed705f94ed75ed208228
change-id: 20241207-topic-llcc_x1e_wrcache-647070e2d130

Best regards,
-- 
Konrad Dybcio <konrad.dybcio@....qualcomm.com>