linux-kernel - [PATCH v3 1/3] drm/tilcdc: rename req_rate to pclk

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Date:   Mon, 22 Mar 2021 22:33:35 +0100
From:   Dario Binacchi <dariobin@...ero.it>
To:     linux-kernel@...r.kernel.org
Cc:     Dario Binacchi <dariobin@...ero.it>,
        Daniel Vetter <daniel@...ll.ch>,
        David Airlie <airlied@...ux.ie>,
        Jyri Sarha <jyri.sarha@....fi>,
        Tomi Valkeinen <tomba@...nel.org>,
        dri-devel@...ts.freedesktop.org
Subject: [PATCH v3 1/3] drm/tilcdc: rename req_rate to pclk_rate

The req_rate name is a little misleading, so let's rename to pclk_rate
(pixel clock rate).

Signed-off-by: Dario Binacchi <dariobin@...ero.it>

---

(no changes since v2)

Changes in v2:
- The patch has been added in version 2.

 drivers/gpu/drm/tilcdc/tilcdc_crtc.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/tilcdc/tilcdc_crtc.c b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
index 30213708fc99..aeec5786617d 100644
--- a/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
+++ b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
@@ -203,18 +203,18 @@ static void tilcdc_crtc_set_clk(struct drm_crtc *crtc)
 	struct drm_device *dev = crtc->dev;
 	struct tilcdc_drm_private *priv = dev->dev_private;
 	struct tilcdc_crtc *tilcdc_crtc = to_tilcdc_crtc(crtc);
-	unsigned long clk_rate, real_rate, req_rate;
+	unsigned long clk_rate, real_rate, pclk_rate;
 	unsigned int clkdiv;
 	int ret;
 
 	clkdiv = 2; /* first try using a standard divider of 2 */
 
 	/* mode.clock is in KHz, set_rate wants parameter in Hz */
-	req_rate = crtc->mode.clock * 1000;
+	pclk_rate = crtc->mode.clock * 1000;
 
-	ret = clk_set_rate(priv->clk, req_rate * clkdiv);
+	ret = clk_set_rate(priv->clk, pclk_rate * clkdiv);
 	clk_rate = clk_get_rate(priv->clk);
-	if (ret < 0 || tilcdc_pclk_diff(req_rate, clk_rate) > 5) {
+	if (ret < 0 || tilcdc_pclk_diff(pclk_rate, clk_rate) > 5) {
 		/*
 		 * If we fail to set the clock rate (some architectures don't
 		 * use the common clock framework yet and may not implement
@@ -229,7 +229,7 @@ static void tilcdc_crtc_set_clk(struct drm_crtc *crtc)
 			return;
 		}
 
-		clkdiv = DIV_ROUND_CLOSEST(clk_rate, req_rate);
+		clkdiv = DIV_ROUND_CLOSEST(clk_rate, pclk_rate);
 
 		/*
 		 * Emit a warning if the real clock rate resulting from the
@@ -238,7 +238,7 @@ static void tilcdc_crtc_set_clk(struct drm_crtc *crtc)
 		 * 5% is an arbitrary value - LCDs are usually quite tolerant
 		 * about pixel clock rates.
 		 */
-		real_rate = clkdiv * req_rate;
+		real_rate = clkdiv * pclk_rate;
 
 		if (tilcdc_pclk_diff(clk_rate, real_rate) > 5) {
 			dev_warn(dev->dev,
-- 
2.17.1