linux-kernel - [PATCH 6/7] drm/msm/hdmi_phy_8996: convert from round_rate() to determine

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Message-Id: <20250710-drm-msm-phy-clk-round-rate-v1-6-364b1d9ee3f8@redhat.com>
Date: Thu, 10 Jul 2025 12:27:32 -0400
From: Brian Masney <bmasney@...hat.com>
To: Rob Clark <robin.clark@....qualcomm.com>, 
 Dmitry Baryshkov <lumag@...nel.org>, 
 Abhinav Kumar <abhinav.kumar@...ux.dev>, 
 Jessica Zhang <jessica.zhang@....qualcomm.com>, Sean Paul <sean@...rly.run>, 
 Marijn Suijten <marijn.suijten@...ainline.org>, 
 David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>, 
 Maxime Ripard <mripard@...nel.org>, Stephen Boyd <sboyd@...nel.org>
Cc: linux-clk@...r.kernel.org, linux-arm-msm@...r.kernel.org, 
 dri-devel@...ts.freedesktop.org, freedreno@...ts.freedesktop.org, 
 linux-kernel@...r.kernel.org, Brian Masney <bmasney@...hat.com>
Subject: [PATCH 6/7] drm/msm/hdmi_phy_8996: convert from round_rate() to
 determine_rate()

The round_rate() clk ops is deprecated, so migrate this driver from
round_rate() to determine_rate() using the Coccinelle semantic patch
on the cover letter of this series.

Signed-off-by: Brian Masney <bmasney@...hat.com>
---
 drivers/gpu/drm/msm/hdmi/hdmi_phy_8996.c | 19 +++++++++----------
 1 file changed, 9 insertions(+), 10 deletions(-)

diff --git a/drivers/gpu/drm/msm/hdmi/hdmi_phy_8996.c b/drivers/gpu/drm/msm/hdmi/hdmi_phy_8996.c
index 8c8d80b59573a37a4008752b16e094a218802508..dd59b2ed7fa3f53b6a70d20925e4f9cbd5d0573c 100644
--- a/drivers/gpu/drm/msm/hdmi/hdmi_phy_8996.c
+++ b/drivers/gpu/drm/msm/hdmi/hdmi_phy_8996.c
@@ -629,16 +629,15 @@ static int hdmi_8996_pll_prepare(struct clk_hw *hw)
 	return 0;
 }
 
-static long hdmi_8996_pll_round_rate(struct clk_hw *hw,
-				     unsigned long rate,
-				     unsigned long *parent_rate)
+static int hdmi_8996_pll_determine_rate(struct clk_hw *hw,
+					struct clk_rate_request *req)
 {
-	if (rate < HDMI_PCLK_MIN_FREQ)
-		return HDMI_PCLK_MIN_FREQ;
-	else if (rate > HDMI_PCLK_MAX_FREQ)
-		return HDMI_PCLK_MAX_FREQ;
-	else
-		return rate;
+	if (req->rate < HDMI_PCLK_MIN_FREQ)
+		req->rate = HDMI_PCLK_MIN_FREQ;
+	else if (req->rate > HDMI_PCLK_MAX_FREQ)
+		req->rate = HDMI_PCLK_MAX_FREQ;
+
+	return 0;
 }
 
 static unsigned long hdmi_8996_pll_recalc_rate(struct clk_hw *hw,
@@ -684,7 +683,7 @@ static int hdmi_8996_pll_is_enabled(struct clk_hw *hw)
 
 static const struct clk_ops hdmi_8996_pll_ops = {
 	.set_rate = hdmi_8996_pll_set_clk_rate,
-	.round_rate = hdmi_8996_pll_round_rate,
+	.determine_rate = hdmi_8996_pll_determine_rate,
 	.recalc_rate = hdmi_8996_pll_recalc_rate,
 	.prepare = hdmi_8996_pll_prepare,
 	.unprepare = hdmi_8996_pll_unprepare,

-- 
2.50.0