[PATCH] drm/stm: dsi: Use dev_ based logging

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Standardize on the dev_ based logging and drop the include of drm_print.h.
Remove useless dsi_color_from_mipi function.

Signed-off-by: Yannick Fertre <yannick.fertre@xxxxxx>
---
 drivers/gpu/drm/stm/dw_mipi_dsi-stm.c | 87 ++++++++++++++-------------
 1 file changed, 45 insertions(+), 42 deletions(-)

diff --git a/drivers/gpu/drm/stm/dw_mipi_dsi-stm.c b/drivers/gpu/drm/stm/dw_mipi_dsi-stm.c
index 164f79ef6269..93fa8bfd3127 100644
--- a/drivers/gpu/drm/stm/dw_mipi_dsi-stm.c
+++ b/drivers/gpu/drm/stm/dw_mipi_dsi-stm.c
@@ -76,6 +76,7 @@ enum dsi_color {
 
 struct dw_mipi_dsi_stm {
 	void __iomem *base;
+	struct device *dev;
 	struct clk *pllref_clk;
 	struct dw_mipi_dsi *dsi;
 	u32 hw_version;
@@ -110,23 +111,6 @@ static inline void dsi_update_bits(struct dw_mipi_dsi_stm *dsi, u32 reg,
 	dsi_write(dsi, reg, (dsi_read(dsi, reg) & ~mask) | val);
 }
 
-static enum dsi_color dsi_color_from_mipi(enum mipi_dsi_pixel_format fmt)
-{
-	switch (fmt) {
-	case MIPI_DSI_FMT_RGB888:
-		return DSI_RGB888;
-	case MIPI_DSI_FMT_RGB666:
-		return DSI_RGB666_CONF2;
-	case MIPI_DSI_FMT_RGB666_PACKED:
-		return DSI_RGB666_CONF1;
-	case MIPI_DSI_FMT_RGB565:
-		return DSI_RGB565_CONF1;
-	default:
-		DRM_DEBUG_DRIVER("MIPI color invalid, so we use rgb888\n");
-	}
-	return DSI_RGB888;
-}
-
 static int dsi_pll_get_clkout_khz(int clkin_khz, int idf, int ndiv, int odf)
 {
 	int divisor = idf * odf;
@@ -205,14 +189,14 @@ static int dw_mipi_dsi_phy_init(void *priv_data)
 	ret = readl_poll_timeout(dsi->base + DSI_WISR, val, val & WISR_RRS,
 				 SLEEP_US, TIMEOUT_US);
 	if (ret)
-		DRM_DEBUG_DRIVER("!TIMEOUT! waiting REGU, let's continue\n");
+		dev_dbg(dsi->dev, "!TIMEOUT! waiting REGU, let's continue\n");
 
 	/* Enable the DSI PLL & wait for its lock */
 	dsi_set(dsi, DSI_WRPCR, WRPCR_PLLEN);
 	ret = readl_poll_timeout(dsi->base + DSI_WISR, val, val & WISR_PLLLS,
 				 SLEEP_US, TIMEOUT_US);
 	if (ret)
-		DRM_DEBUG_DRIVER("!TIMEOUT! waiting PLL, let's continue\n");
+		dev_dbg(dsi->dev, "!TIMEOUT! waiting PLL, let's continue\n");
 
 	return 0;
 }
@@ -221,7 +205,7 @@ static void dw_mipi_dsi_phy_power_on(void *priv_data)
 {
 	struct dw_mipi_dsi_stm *dsi = priv_data;
 
-	DRM_DEBUG_DRIVER("\n");
+	dev_dbg(dsi->dev, "\n");
 
 	/* Enable the DSI wrapper */
 	dsi_set(dsi, DSI_WCR, WCR_DSIEN);
@@ -231,7 +215,7 @@ static void dw_mipi_dsi_phy_power_off(void *priv_data)
 {
 	struct dw_mipi_dsi_stm *dsi = priv_data;
 
-	DRM_DEBUG_DRIVER("\n");
+	dev_dbg(dsi->dev, "\n");
 
 	/* Disable the DSI wrapper */
 	dsi_clear(dsi, DSI_WCR, WCR_DSIEN);
@@ -244,6 +228,7 @@ dw_mipi_dsi_get_lane_mbps(void *priv_data, const struct drm_display_mode *mode,
 {
 	struct dw_mipi_dsi_stm *dsi = priv_data;
 	unsigned int idf, ndiv, odf, pll_in_khz, pll_out_khz;
+	enum mipi_dsi_pixel_format fmt;
 	int ret, bpp;
 	u32 val;
 
@@ -267,11 +252,11 @@ dw_mipi_dsi_get_lane_mbps(void *priv_data, const struct drm_display_mode *mode,
 
 	if (pll_out_khz > dsi->lane_max_kbps) {
 		pll_out_khz = dsi->lane_max_kbps;
-		DRM_WARN("Warning max phy mbps is used\n");
+		dev_warn(dsi->dev, "Warning max phy mbps is used\n");
 	}
 	if (pll_out_khz < dsi->lane_min_kbps) {
 		pll_out_khz = dsi->lane_min_kbps;
-		DRM_WARN("Warning min phy mbps is used\n");
+		dev_warn(dsi->dev, "Warning min phy mbps is used\n");
 	}
 
 	/* Compute best pll parameters */
@@ -281,7 +266,7 @@ dw_mipi_dsi_get_lane_mbps(void *priv_data, const struct drm_display_mode *mode,
 	ret = dsi_pll_get_params(dsi, pll_in_khz, pll_out_khz,
 				 &idf, &ndiv, &odf);
 	if (ret)
-		DRM_WARN("Warning dsi_pll_get_params(): bad params\n");
+		dev_warn(dsi->dev, "Warning dsi_pll_get_params(): bad params\n");
 
 	/* Get the adjusted pll out value */
 	pll_out_khz = dsi_pll_get_clkout_khz(pll_in_khz, idf, ndiv, odf);
@@ -297,14 +282,31 @@ dw_mipi_dsi_get_lane_mbps(void *priv_data, const struct drm_display_mode *mode,
 	/* Select video mode by resetting DSIM bit */
 	dsi_clear(dsi, DSI_WCFGR, WCFGR_DSIM);
 
+	switch (format) {
+	case MIPI_DSI_FMT_RGB888:
+		fmt = DSI_RGB888;
+		break;
+	case MIPI_DSI_FMT_RGB666:
+		fmt = DSI_RGB666_CONF2;
+		break;
+	case MIPI_DSI_FMT_RGB666_PACKED:
+		fmt = DSI_RGB666_CONF1;
+		break;
+	case MIPI_DSI_FMT_RGB565:
+		fmt = DSI_RGB565_CONF1;
+		break;
+	default:
+		fmt = DSI_RGB888;
+		dev_err(dsi->dev, "MIPI color invalid, so we use rgb888\n");
+	}
+
 	/* Select the color coding */
-	dsi_update_bits(dsi, DSI_WCFGR, WCFGR_COLMUX,
-			dsi_color_from_mipi(format) << 1);
+	dsi_update_bits(dsi, DSI_WCFGR, WCFGR_COLMUX, fmt << 1);
 
 	*lane_mbps = pll_out_khz / 1000;
 
-	DRM_DEBUG_DRIVER("pll_in %ukHz pll_out %ukHz lane_mbps %uMHz\n",
-			 pll_in_khz, pll_out_khz, *lane_mbps);
+	dev_dbg(dsi->dev, "pll_in %ukHz pll_out %ukHz lane_mbps %uMHz\n", pll_in_khz, pll_out_khz,
+		*lane_mbps);
 
 	return 0;
 }
@@ -352,11 +354,13 @@ static int dw_mipi_dsi_stm_probe(struct platform_device *pdev)
 	if (!dsi)
 		return -ENOMEM;
 
+	dsi->dev = dev;
+
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	dsi->base = devm_ioremap_resource(dev, res);
 	if (IS_ERR(dsi->base)) {
 		ret = PTR_ERR(dsi->base);
-		DRM_ERROR("Unable to get dsi registers %d\n", ret);
+		dev_err(dev, "Unable to get dsi registers %d\n", ret);
 		return ret;
 	}
 
@@ -364,13 +368,13 @@ static int dw_mipi_dsi_stm_probe(struct platform_device *pdev)
 	if (IS_ERR(dsi->vdd_supply)) {
 		ret = PTR_ERR(dsi->vdd_supply);
 		if (ret != -EPROBE_DEFER)
-			DRM_ERROR("Failed to request regulator: %d\n", ret);
+			dev_err(dev, "Failed to request regulator: %d\n", ret);
 		return ret;
 	}
 
 	ret = regulator_enable(dsi->vdd_supply);
 	if (ret) {
-		DRM_ERROR("Failed to enable regulator: %d\n", ret);
+		dev_err(dev, "Failed to enable regulator: %d\n", ret);
 		return ret;
 	}
 
@@ -378,27 +382,26 @@ static int dw_mipi_dsi_stm_probe(struct platform_device *pdev)
 	if (IS_ERR(dsi->pllref_clk)) {
 		ret = PTR_ERR(dsi->pllref_clk);
 		if (ret != -EPROBE_DEFER)
-			DRM_ERROR("Unable to get pll reference clock: %d\n",
-				  ret);
+			dev_err(dev, "Unable to get pll reference clock: %d\n", ret);
 		goto err_clk_get;
 	}
 
 	ret = clk_prepare_enable(dsi->pllref_clk);
 	if (ret) {
-		DRM_ERROR("Failed to enable pllref_clk: %d\n", ret);
+		dev_err(dev, "Failed to enable pllref_clk: %d\n", ret);
 		goto err_clk_get;
 	}
 
 	pclk = devm_clk_get(dev, "pclk");
 	if (IS_ERR(pclk)) {
 		ret = PTR_ERR(pclk);
-		DRM_ERROR("Unable to get peripheral clock: %d\n", ret);
+		dev_err(dev, "Unable to get peripheral clock: %d\n", ret);
 		goto err_dsi_probe;
 	}
 
 	ret = clk_prepare_enable(pclk);
 	if (ret) {
-		DRM_ERROR("%s: Failed to enable peripheral clk\n", __func__);
+		dev_err(dev, "%s: Failed to enable peripheral clk\n", __func__);
 		goto err_dsi_probe;
 	}
 
@@ -407,7 +410,7 @@ static int dw_mipi_dsi_stm_probe(struct platform_device *pdev)
 
 	if (dsi->hw_version != HWVER_130 && dsi->hw_version != HWVER_131) {
 		ret = -ENODEV;
-		DRM_ERROR("bad dsi hardware version\n");
+		dev_err(dev, "bad dsi hardware version\n");
 		goto err_dsi_probe;
 	}
 
@@ -420,7 +423,7 @@ static int dw_mipi_dsi_stm_probe(struct platform_device *pdev)
 	if (IS_ERR(dsi->dsi)) {
 		ret = PTR_ERR(dsi->dsi);
 		if (ret != -EPROBE_DEFER)
-			DRM_ERROR("Failed to initialize mipi dsi host: %d\n", ret);
+			dev_err(dev, "Failed to initialize mipi dsi host: %d\n", ret);
 		goto err_dsi_probe;
 	}
 
@@ -449,7 +452,7 @@ static int __maybe_unused dw_mipi_dsi_stm_suspend(struct device *dev)
 {
 	struct dw_mipi_dsi_stm *dsi = dw_mipi_dsi_stm_plat_data.priv_data;
 
-	DRM_DEBUG_DRIVER("\n");
+	dev_dbg(dsi->dev, "\n");
 
 	clk_disable_unprepare(dsi->pllref_clk);
 	regulator_disable(dsi->vdd_supply);
@@ -462,18 +465,18 @@ static int __maybe_unused dw_mipi_dsi_stm_resume(struct device *dev)
 	struct dw_mipi_dsi_stm *dsi = dw_mipi_dsi_stm_plat_data.priv_data;
 	int ret;
 
-	DRM_DEBUG_DRIVER("\n");
+	dev_dbg(dsi->dev, "\n");
 
 	ret = regulator_enable(dsi->vdd_supply);
 	if (ret) {
-		DRM_ERROR("Failed to enable regulator: %d\n", ret);
+		dev_err(dev, "Failed to enable regulator: %d\n", ret);
 		return ret;
 	}
 
 	ret = clk_prepare_enable(dsi->pllref_clk);
 	if (ret) {
 		regulator_disable(dsi->vdd_supply);
-		DRM_ERROR("Failed to enable pllref_clk: %d\n", ret);
+		dev_err(dev, "Failed to enable pllref_clk: %d\n", ret);
 		return ret;
 	}
 
-- 
2.17.1

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