linux-kernel - [PATCH v2 15/18] clk: qcom: videocc-sm8250: Set delay for Venus CLK resets

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Message-Id: <20240105-topic-venus_reset-v2-15-c37eba13b5ce@linaro.org>
Date: Tue, 06 Feb 2024 19:43:48 +0100
From: Konrad Dybcio <konrad.dybcio@...aro.org>
To: Bjorn Andersson <andersson@...nel.org>, 
 Michael Turquette <mturquette@...libre.com>, 
 Stephen Boyd <sboyd@...nel.org>, Philipp Zabel <p.zabel@...gutronix.de>
Cc: Marijn Suijten <marijn.suijten@...ainline.org>, 
 linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org, 
 linux-kernel@...r.kernel.org, Bryan O'Donoghue <bryan.odonoghue@...aro.org>, 
 Dikshita Agarwal <quic_dikshita@...cinc.com>, 
 Vikash Garodia <quic_vgarodia@...cinc.com>, 
 Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>, 
 Konrad Dybcio <konrad.dybcio@...aro.org>
Subject: [PATCH v2 15/18] clk: qcom: videocc-sm8250: Set delay for Venus
 CLK resets

Some Venus resets may require more time when toggling. Describe that.

The value was obtained by referencing the msm-4.14/19 driver, which uses a
single value for all platforms [1].

[1] https://git.codelinaro.org/clo/la/platform/vendor/opensource/video-driver/-/blob/LA.UM.9.15.c26/msm/vidc/hfi_common.c?ref_type=heads#L3662-3663
Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
---
 drivers/clk/qcom/videocc-sm8250.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/clk/qcom/videocc-sm8250.c b/drivers/clk/qcom/videocc-sm8250.c
index ad46c4014a40..51b9816ec458 100644
--- a/drivers/clk/qcom/videocc-sm8250.c
+++ b/drivers/clk/qcom/videocc-sm8250.c
@@ -323,10 +323,10 @@ static struct clk_regmap *video_cc_sm8250_clocks[] = {
 static const struct qcom_reset_map video_cc_sm8250_resets[] = {
 	[VIDEO_CC_CVP_INTERFACE_BCR] = { 0xe54 },
 	[VIDEO_CC_CVP_MVS0_BCR] = { 0xd14 },
-	[VIDEO_CC_MVS0C_CLK_ARES] = { 0xc34, 2 },
+	[VIDEO_CC_MVS0C_CLK_ARES] = { 0xc34, .bit = 2, .udelay = 150 },
 	[VIDEO_CC_CVP_MVS0C_BCR] = { 0xbf4 },
 	[VIDEO_CC_CVP_MVS1_BCR] = { 0xd94 },
-	[VIDEO_CC_MVS1C_CLK_ARES] = { 0xcd4, 2 },
+	[VIDEO_CC_MVS1C_CLK_ARES] = { 0xcd4, .bit = 2, .udelay = 150 },
 	[VIDEO_CC_CVP_MVS1C_BCR] = { 0xc94 },
 };
 

-- 
2.43.0