Commit e17d1364 authored by Dario Binacchi's avatar Dario Binacchi Committed by Jyri Sarha
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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: default avatarDario Binacchi <dariobin@libero.it>
Reviewed-by: default avatarJyri Sarha <jyri.sarha@iki.fi>
Reviewed-by: default avatarTomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Signed-off-by: default avatarJyri Sarha <jyri.sarha@iki.fi>
Link: https://patchwork.freedesktop.org/patch/msgid/20210322213337.26667-2-dariobin@libero.it
parent da588d48

drivers/gpu/drm/tilcdc/tilcdc_crtc.c

+6 −6
Original line number Diff line number Diff line
@@ -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,