disable FB

hc

2024-01-04 1543e317f1da31b75942316931e8f491a8920811

 kernel/drivers/gpu/drm/panel/panel-orisetech-otm8009a.c
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@@ -6,13 +6,17 @@
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  *          Yannick Fertre <yannick.fertre@st.com>
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  */
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-#include <drm/drmP.h>
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-#include <drm/drm_mipi_dsi.h>
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-#include <drm/drm_panel.h>
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 #include <linux/backlight.h>
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+#include <linux/delay.h>
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 #include <linux/gpio/consumer.h>
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+#include <linux/module.h>
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 #include <linux/regulator/consumer.h>
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+
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 #include <video/mipi_display.h>
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+
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+#include <drm/drm_mipi_dsi.h>
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+#include <drm/drm_modes.h>
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+#include <drm/drm_panel.h>
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 #define OTM8009A_BACKLIGHT_DEFAULT	240
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 #define OTM8009A_BACKLIGHT_MAX		255
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@@ -67,16 +71,15 @@
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 };
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 static const struct drm_display_mode default_mode = {
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-	.clock = 32729,
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+	.clock = 29700,
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 	.hdisplay = 480,
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-	.hsync_start = 480 + 120,
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-	.hsync_end = 480 + 120 + 63,
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-	.htotal = 480 + 120 + 63 + 120,
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+	.hsync_start = 480 + 98,
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+	.hsync_end = 480 + 98 + 32,
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+	.htotal = 480 + 98 + 32 + 98,
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 	.vdisplay = 800,
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-	.vsync_start = 800 + 12,
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-	.vsync_end = 800 + 12 + 12,
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-	.vtotal = 800 + 12 + 12 + 12,
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-	.vrefresh = 50,
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+	.vsync_start = 800 + 15,
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+	.vsync_end = 800 + 15 + 10,
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+	.vtotal = 800 + 15 + 10 + 14,
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 	.flags = 0,
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 	.width_mm = 52,
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 	.height_mm = 86,
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@@ -93,7 +96,7 @@
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 	struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
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 	if (mipi_dsi_dcs_write_buffer(dsi, data, len) < 0)
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-		DRM_WARN("mipi dsi dcs write buffer failed\n");
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+		dev_warn(ctx->dev, "mipi dsi dcs write buffer failed\n");
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 }
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 static void otm8009a_dcs_write_buf_hs(struct otm8009a *ctx, const void *data,
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@@ -309,7 +312,7 @@
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 	ret = regulator_enable(ctx->supply);
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 	if (ret < 0) {
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-		DRM_ERROR("failed to enable supply: %d\n", ret);
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+		dev_err(panel->dev, "failed to enable supply: %d\n", ret);
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 		return ret;
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 	}
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@@ -344,25 +347,26 @@
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 	return 0;
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 }
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-static int otm8009a_get_modes(struct drm_panel *panel)
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+static int otm8009a_get_modes(struct drm_panel *panel,
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+			      struct drm_connector *connector)
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 {
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 	struct drm_display_mode *mode;
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-	mode = drm_mode_duplicate(panel->drm, &default_mode);
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+	mode = drm_mode_duplicate(connector->dev, &default_mode);
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 	if (!mode) {
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-		DRM_ERROR("failed to add mode %ux%ux@%u\n",
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-			  default_mode.hdisplay, default_mode.vdisplay,
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-			  default_mode.vrefresh);
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+		dev_err(panel->dev, "failed to add mode %ux%u@%u\n",
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+			default_mode.hdisplay, default_mode.vdisplay,
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+			drm_mode_vrefresh(&default_mode));
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 		return -ENOMEM;
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 	}
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 	drm_mode_set_name(mode);
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 	mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
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-	drm_mode_probed_add(panel->connector, mode);
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+	drm_mode_probed_add(connector, mode);
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-	panel->connector->display_info.width_mm = mode->width_mm;
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-	panel->connector->display_info.height_mm = mode->height_mm;
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+	connector->display_info.width_mm = mode->width_mm;
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+	connector->display_info.height_mm = mode->height_mm;
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 	return 1;
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 }
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@@ -385,7 +389,7 @@
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 	u8 data[2];
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 	if (!ctx->prepared) {
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-		DRM_DEBUG("lcd not ready yet for setting its backlight!\n");
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+		dev_dbg(&bd->dev, "lcd not ready yet for setting its backlight!\n");
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 		return -ENXIO;
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 	}
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@@ -436,7 +440,8 @@
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 	ctx->supply = devm_regulator_get(dev, "power");
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 	if (IS_ERR(ctx->supply)) {
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 		ret = PTR_ERR(ctx->supply);
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-		dev_err(dev, "failed to request regulator: %d\n", ret);
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+		if (ret != -EPROBE_DEFER)
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+			dev_err(dev, "failed to request regulator: %d\n", ret);
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 		return ret;
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 	}
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@@ -447,14 +452,13 @@
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 	dsi->lanes = 2;
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 	dsi->format = MIPI_DSI_FMT_RGB888;
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 	dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST |
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-			  MIPI_DSI_MODE_LPM;
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+			  MIPI_DSI_MODE_LPM | MIPI_DSI_CLOCK_NON_CONTINUOUS;
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-	drm_panel_init(&ctx->panel);
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-	ctx->panel.dev = dev;
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-	ctx->panel.funcs = &otm8009a_drm_funcs;
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+	drm_panel_init(&ctx->panel, dev, &otm8009a_drm_funcs,
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+		       DRM_MODE_CONNECTOR_DSI);
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 	ctx->bl_dev = devm_backlight_device_register(dev, dev_name(dev),
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-						     dsi->host->dev, ctx,
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+						     dev, ctx,
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 						     &otm8009a_backlight_ops,
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 						     NULL);
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 	if (IS_ERR(ctx->bl_dev)) {
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@@ -474,7 +478,6 @@
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 	if (ret < 0) {
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 		dev_err(dev, "mipi_dsi_attach failed. Is host ready?\n");
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 		drm_panel_remove(&ctx->panel);
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-		backlight_device_unregister(ctx->bl_dev);
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 		return ret;
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 	}
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