[PATCH v1 2/5] drm/panel: leadtek: Use dev_ based logging

15 Aug 2020

Standardize on the dev_ based logging and drop the include of drm_print.h.
Fix a few cases where "x@" was used when printing the mode.
Signed-off-by: Sam Ravnborg sam@ravnborg.org
Cc: Thierry Reding thierry.reding@gmail.com
Cc: Sam Ravnborg sam@ravnborg.org
Cc: Guido Günther agx@sigxcpu.org
Cc: Linus Walleij linus.walleij@linaro.org
Cc: Laurent Pinchart laurent.pinchart@ideasonboard.com
---
 .../drm/panel/panel-leadtek-ltk050h3146w.c    | 58 +++++++------------
 .../drm/panel/panel-leadtek-ltk500hd1829.c    | 49 ++++++----------
 2 files changed, 37 insertions(+), 70 deletions(-)

diff --git a/drivers/gpu/drm/panel/panel-leadtek-ltk050h3146w.c b/drivers/gpu/drm/panel/panel-leadtek-ltk050h3146w.c
index eaa9da3ebbea..ed0d5f959037 100644
--- a/drivers/gpu/drm/panel/panel-leadtek-ltk050h3146w.c
+++ b/drivers/gpu/drm/panel/panel-leadtek-ltk050h3146w.c
@@ -17,7 +17,6 @@
 #include <drm/drm_mipi_dsi.h>
 #include <drm/drm_modes.h>
 #include <drm/drm_panel.h>
-#include <drm/drm_print.h>
struct ltk050h3146w_cmd {
    char cmd;
@@ -314,8 +313,7 @@ static int ltk050h3146w_init_sequence(struct ltk050h3146w *ctx)
ret = mipi_dsi_dcs_set_tear_on(dsi, 1);
    if (ret < 0) {
-		DRM_DEV_ERROR(ctx->dev, "failed to set tear on: %d\n",
-			      ret);
+		dev_err(ctx->dev, "failed to set tear on: %d\n", ret);
    	return ret;
    }
@@ -360,8 +358,7 @@ static int ltk050h3146w_a2_write_page(struct ltk050h3146w *ctx, int page,
ret = ltk050h3146w_a2_select_page(ctx, page);
    if (ret < 0) {
-		DRM_DEV_ERROR(ctx->dev, "failed to select page %d: %d\n",
-			      page, ret);
+		dev_err(ctx->dev, "failed to select page %d: %d\n", page, ret);
    	return ret;
    }
@@ -369,9 +366,7 @@ static int ltk050h3146w_a2_write_page(struct ltk050h3146w *ctx, int page,
    	ret = mipi_dsi_generic_write(dsi, &cmds[i],
    				     sizeof(struct ltk050h3146w_cmd));
    	if (ret < 0) {
-			DRM_DEV_ERROR(ctx->dev,
-				      "failed to write page %d init cmds: %d\n",
-				       page, ret);
+			dev_err(ctx->dev, "failed to write page %d init cmds: %d\n", page, ret);
    		return ret;
    	}
    }
@@ -405,15 +400,14 @@ static int ltk050h3146w_a2_init_sequence(struct ltk050h3146w *ctx)
ret = ltk050h3146w_a2_select_page(ctx, 0);
    if (ret < 0) {
-		DRM_DEV_ERROR(ctx->dev, "failed to select page 0: %d\n", ret);
+		dev_err(ctx->dev, "failed to select page 0: %d\n", ret);
    	return ret;
    }
/* vendor code called this without param, where there should be one */
    ret = mipi_dsi_dcs_set_tear_on(dsi, 0);
    if (ret < 0) {
-		DRM_DEV_ERROR(ctx->dev, "failed to set tear on: %d\n",
-			      ret);
+		dev_err(ctx->dev, "failed to set tear on: %d\n", ret);
    	return ret;
    }
@@ -452,15 +446,13 @@ static int ltk050h3146w_unprepare(struct drm_panel *panel)
ret = mipi_dsi_dcs_set_display_off(dsi);
    if (ret < 0) {
-		DRM_DEV_ERROR(ctx->dev, "failed to set display off: %d\n",
-			      ret);
+		dev_err(ctx->dev, "failed to set display off: %d\n", ret);
    	return ret;
    }
mipi_dsi_dcs_enter_sleep_mode(dsi);
    if (ret < 0) {
-		DRM_DEV_ERROR(ctx->dev, "failed to enter sleep mode: %d\n",
-			      ret);
+		dev_err(ctx->dev, "failed to enter sleep mode: %d\n", ret);
    	return ret;
    }
@@ -481,17 +473,15 @@ static int ltk050h3146w_prepare(struct drm_panel *panel)
    if (ctx->prepared)
    	return 0;
-	DRM_DEV_DEBUG_DRIVER(ctx->dev, "Resetting the panel\n");
+	dev_dbg(ctx->dev, "Resetting the panel\n");
    ret = regulator_enable(ctx->vci);
    if (ret < 0) {
-		DRM_DEV_ERROR(ctx->dev,
-			      "Failed to enable vci supply: %d\n", ret);
+		dev_err(ctx->dev, "Failed to enable vci supply: %d\n", ret);
    	return ret;
    }
    ret = regulator_enable(ctx->iovcc);
    if (ret < 0) {
-		DRM_DEV_ERROR(ctx->dev,
-			      "Failed to enable iovcc supply: %d\n", ret);
+		dev_err(ctx->dev, "Failed to enable iovcc supply: %d\n", ret);
    	goto disable_vci;
    }
@@ -502,14 +492,13 @@ static int ltk050h3146w_prepare(struct drm_panel *panel)
ret = ctx->panel_desc->init(ctx);
    if (ret < 0) {
-		DRM_DEV_ERROR(ctx->dev, "Panel init sequence failed: %d\n",
-			      ret);
+		dev_err(ctx->dev, "Panel init sequence failed: %d\n", ret);
    	goto disable_iovcc;
    }
ret = mipi_dsi_dcs_exit_sleep_mode(dsi);
    if (ret < 0) {
-		DRM_DEV_ERROR(ctx->dev, "Failed to exit sleep mode: %d\n", ret);
+		dev_err(ctx->dev, "Failed to exit sleep mode: %d\n", ret);
    	goto disable_iovcc;
    }
@@ -518,7 +507,7 @@ static int ltk050h3146w_prepare(struct drm_panel *panel)
ret = mipi_dsi_dcs_set_display_on(dsi);
    if (ret < 0) {
-		DRM_DEV_ERROR(ctx->dev, "Failed to set display on: %d\n", ret);
+		dev_err(ctx->dev, "Failed to set display on: %d\n", ret);
    	goto disable_iovcc;
    }
@@ -577,7 +566,7 @@ static int ltk050h3146w_probe(struct mipi_dsi_device *dsi)
ctx->reset_gpio = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_LOW);
    if (IS_ERR(ctx->reset_gpio)) {
-		DRM_DEV_ERROR(dev, "cannot get reset gpio\n");
+		dev_err(dev, "cannot get reset gpio\n");
    	return PTR_ERR(ctx->reset_gpio);
    }
@@ -585,9 +574,7 @@ static int ltk050h3146w_probe(struct mipi_dsi_device *dsi)
    if (IS_ERR(ctx->vci)) {
    	ret = PTR_ERR(ctx->vci);
    	if (ret != -EPROBE_DEFER)
-			DRM_DEV_ERROR(dev,
-				      "Failed to request vci regulator: %d\n",
-				      ret);
+			dev_err(dev, "Failed to request vci regulator: %d\n", ret);
    	return ret;
    }
@@ -595,9 +582,7 @@ static int ltk050h3146w_probe(struct mipi_dsi_device *dsi)
    if (IS_ERR(ctx->iovcc)) {
    	ret = PTR_ERR(ctx->iovcc);
    	if (ret != -EPROBE_DEFER)
-			DRM_DEV_ERROR(dev,
-				      "Failed to request iovcc regulator: %d\n",
-				      ret);
+			dev_err(dev, "Failed to request iovcc regulator: %d\n", ret);
    	return ret;
    }
@@ -621,7 +606,7 @@ static int ltk050h3146w_probe(struct mipi_dsi_device *dsi)
ret = mipi_dsi_attach(dsi);
    if (ret < 0) {
-		DRM_DEV_ERROR(dev, "mipi_dsi_attach failed: %d\n", ret);
+		dev_err(dev, "mipi_dsi_attach failed: %d\n", ret);
    	drm_panel_remove(&ctx->panel);
    	return ret;
    }
@@ -636,13 +621,11 @@ static void ltk050h3146w_shutdown(struct mipi_dsi_device *dsi)
ret = drm_panel_unprepare(&ctx->panel);
    if (ret < 0)
-		DRM_DEV_ERROR(&dsi->dev, "Failed to unprepare panel: %d\n",
-			      ret);
+		dev_err(&dsi->dev, "Failed to unprepare panel: %d\n", ret);
ret = drm_panel_disable(&ctx->panel);
    if (ret < 0)
-		DRM_DEV_ERROR(&dsi->dev, "Failed to disable panel: %d\n",
-			      ret);
+		dev_err(&dsi->dev, "Failed to disable panel: %d\n", ret);
 }
static int ltk050h3146w_remove(struct mipi_dsi_device *dsi)
@@ -654,8 +637,7 @@ static int ltk050h3146w_remove(struct mipi_dsi_device *dsi)
ret = mipi_dsi_detach(dsi);
    if (ret < 0)
-		DRM_DEV_ERROR(&dsi->dev, "Failed to detach from DSI host: %d\n",
-			      ret);
+		dev_err(&dsi->dev, "Failed to detach from DSI host: %d\n", ret);
drm_panel_remove(&ctx->panel);
diff --git a/drivers/gpu/drm/panel/panel-leadtek-ltk500hd1829.c b/drivers/gpu/drm/panel/panel-leadtek-ltk500hd1829.c
index 0f6a248c47a5..3c00e4f8f803 100644
--- a/drivers/gpu/drm/panel/panel-leadtek-ltk500hd1829.c
+++ b/drivers/gpu/drm/panel/panel-leadtek-ltk500hd1829.c
@@ -20,7 +20,6 @@
 #include <drm/drm_mipi_dsi.h>
 #include <drm/drm_modes.h>
 #include <drm/drm_panel.h>
-#include <drm/drm_print.h>
struct ltk500hd1829 {
    struct device *dev;
@@ -278,13 +277,11 @@ static int ltk500hd1829_unprepare(struct drm_panel *panel)
ret = mipi_dsi_dcs_set_display_off(dsi);
    if (ret < 0)
-		DRM_DEV_ERROR(panel->dev, "failed to set display off: %d\n",
-			      ret);
+		dev_err(panel->dev, "failed to set display off: %d\n", ret);
ret = mipi_dsi_dcs_enter_sleep_mode(dsi);
    if (ret < 0) {
-		DRM_DEV_ERROR(panel->dev, "failed to enter sleep mode: %d\n",
-			      ret);
+		dev_err(panel->dev, "failed to enter sleep mode: %d\n", ret);
    }
/* 120ms to enter sleep mode */
@@ -310,14 +307,12 @@ static int ltk500hd1829_prepare(struct drm_panel *panel)
ret = regulator_enable(ctx->vcc);
    if (ret < 0) {
-		DRM_DEV_ERROR(ctx->dev,
-			      "Failed to enable vci supply: %d\n", ret);
+		dev_err(ctx->dev, "Failed to enable vci supply: %d\n", ret);
    	return ret;
    }
    ret = regulator_enable(ctx->iovcc);
    if (ret < 0) {
-		DRM_DEV_ERROR(ctx->dev,
-			      "Failed to enable iovcc supply: %d\n", ret);
+		dev_err(ctx->dev, "Failed to enable iovcc supply: %d\n", ret);
    	goto disable_vcc;
    }
@@ -333,16 +328,14 @@ static int ltk500hd1829_prepare(struct drm_panel *panel)
    	ret = mipi_dsi_generic_write(dsi, &init_code[i],
    				     sizeof(struct ltk500hd1829_cmd));
    	if (ret < 0) {
-			DRM_DEV_ERROR(panel->dev,
-				      "failed to write init cmds: %d\n", ret);
+			dev_err(panel->dev, "failed to write init cmds: %d\n", ret);
    		goto disable_iovcc;
    	}
    }
ret = mipi_dsi_dcs_exit_sleep_mode(dsi);
    if (ret < 0) {
-		DRM_DEV_ERROR(panel->dev, "failed to exit sleep mode: %d\n",
-			      ret);
+		dev_err(panel->dev, "failed to exit sleep mode: %d\n", ret);
    	goto disable_iovcc;
    }
@@ -351,8 +344,7 @@ static int ltk500hd1829_prepare(struct drm_panel *panel)
ret = mipi_dsi_dcs_set_display_on(dsi);
    if (ret < 0) {
-		DRM_DEV_ERROR(panel->dev, "failed to set display on: %d\n",
-			      ret);
+		dev_err(panel->dev, "failed to set display on: %d\n", ret);
    	goto disable_iovcc;
    }
@@ -389,9 +381,9 @@ static int ltk500hd1829_get_modes(struct drm_panel *panel,
mode = drm_mode_duplicate(connector->dev, &default_mode);
    if (!mode) {
-		DRM_DEV_ERROR(ctx->dev, "failed to add mode %ux%ux@%u\n",
-			      default_mode.hdisplay, default_mode.vdisplay,
-			      drm_mode_vrefresh(&default_mode));
+		dev_err(ctx->dev, "failed to add mode %ux%u@%u\n",
+			default_mode.hdisplay, default_mode.vdisplay,
+			drm_mode_vrefresh(&default_mode));
    	return -ENOMEM;
    }
@@ -423,7 +415,7 @@ static int ltk500hd1829_probe(struct mipi_dsi_device *dsi)
ctx->reset_gpio = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_LOW);
    if (IS_ERR(ctx->reset_gpio)) {
-		DRM_DEV_ERROR(dev, "cannot get reset gpio\n");
+		dev_err(dev, "cannot get reset gpio\n");
    	return PTR_ERR(ctx->reset_gpio);
    }
@@ -431,9 +423,7 @@ static int ltk500hd1829_probe(struct mipi_dsi_device *dsi)
    if (IS_ERR(ctx->vcc)) {
    	ret = PTR_ERR(ctx->vcc);
    	if (ret != -EPROBE_DEFER)
-			DRM_DEV_ERROR(dev,
-				      "Failed to request vcc regulator: %d\n",
-				      ret);
+			dev_err(dev, "Failed to request vcc regulator: %d\n", ret);
    	return ret;
    }
@@ -441,9 +431,7 @@ static int ltk500hd1829_probe(struct mipi_dsi_device *dsi)
    if (IS_ERR(ctx->iovcc)) {
    	ret = PTR_ERR(ctx->iovcc);
    	if (ret != -EPROBE_DEFER)
-			DRM_DEV_ERROR(dev,
-				      "Failed to request iovcc regulator: %d\n",
-				      ret);
+			dev_err(dev, "Failed to request iovcc regulator: %d\n", ret);
    	return ret;
    }
@@ -467,7 +455,7 @@ static int ltk500hd1829_probe(struct mipi_dsi_device *dsi)
ret = mipi_dsi_attach(dsi);
    if (ret < 0) {
-		DRM_DEV_ERROR(dev, "mipi_dsi_attach failed: %d\n", ret);
+		dev_err(dev, "mipi_dsi_attach failed: %d\n", ret);
    	drm_panel_remove(&ctx->panel);
    	return ret;
    }
@@ -482,13 +470,11 @@ static void ltk500hd1829_shutdown(struct mipi_dsi_device *dsi)
ret = drm_panel_unprepare(&ctx->panel);
    if (ret < 0)
-		DRM_DEV_ERROR(&dsi->dev, "Failed to unprepare panel: %d\n",
-			      ret);
+		dev_err(&dsi->dev, "Failed to unprepare panel: %d\n", ret);
ret = drm_panel_disable(&ctx->panel);
    if (ret < 0)
-		DRM_DEV_ERROR(&dsi->dev, "Failed to disable panel: %d\n",
-			      ret);
+		dev_err(&dsi->dev, "Failed to disable panel: %d\n", ret);
 }
static int ltk500hd1829_remove(struct mipi_dsi_device *dsi)
@@ -500,8 +486,7 @@ static int ltk500hd1829_remove(struct mipi_dsi_device *dsi)
ret = mipi_dsi_detach(dsi);
    if (ret < 0)
-		DRM_DEV_ERROR(&dsi->dev, "failed to detach from DSI host: %d\n",
-			      ret);
+		dev_err(&dsi->dev, "failed to detach from DSI host: %d\n", ret);
drm_panel_remove(&ctx->panel);
-- 
2.25.1


    

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[PATCH v1 2/5] drm/panel: leadtek: Use dev_ based logging