Commit 6ae5837c authored by Guido Günther's avatar Guido Günther
Browse files

drm/panel: mantix: Allow to specify default mode for different panels 



This can be used to use different modes for differnt panels via OF
device match.

Signed-off-by: default avatarGuido Günther <agx@sigxcpu.org>
Reviewed-by: default avatarLinus Walleij <linus.walleij@linaro.org>
Reviewed-by: default avatarSam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/2580dba34c95a8159c1bdfd07604fbb8dbd0ad8c.1605688147.git.agx@sigxcpu.org
parent dd396dbc

drivers/gpu/drm/panel/panel-mantix-mlaf057we51.c

+11 −7
Original line number Diff line number Diff line
@@ -9,6 +9,7 @@ 
#include <linux/delay.h>

#include <linux/gpio/consumer.h>

#include <linux/module.h>

#include <linux/of_device.h>

#include <linux/regulator/consumer.h>



#include <video/mipi_display.h>
@@ -34,6 +35,8 @@ struct mantix { 
	struct regulator *avdd;

	struct regulator *avee;

	struct regulator *vddi;



	const struct drm_display_mode *default_mode;

};



static inline struct mantix *panel_to_mantix(struct drm_panel *panel)
@@ -187,7 +190,7 @@ static int mantix_prepare(struct drm_panel *panel) 
	return 0;

}



static const struct drm_display_mode default_mode = {

static const struct drm_display_mode default_mode_mantix = {

	.hdisplay    = 720,

	.hsync_start = 720 + 45,

	.hsync_end   = 720 + 45 + 14,
@@ -208,11 +211,11 @@ static int mantix_get_modes(struct drm_panel *panel, 
	struct mantix *ctx = panel_to_mantix(panel);

	struct drm_display_mode *mode;



	mode = drm_mode_duplicate(connector->dev, &default_mode);

	mode = drm_mode_duplicate(connector->dev, ctx->default_mode);

	if (!mode) {

		dev_err(ctx->dev, "Failed to add mode %ux%u@%u\n",

			default_mode.hdisplay, default_mode.vdisplay,

			drm_mode_vrefresh(&default_mode));

			ctx->default_mode->hdisplay, ctx->default_mode->vdisplay,

			drm_mode_vrefresh(ctx->default_mode));

		return -ENOMEM;

	}
@@ -243,6 +246,7 @@ static int mantix_probe(struct mipi_dsi_device *dsi) 
	ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);

	if (!ctx)

		return -ENOMEM;

	ctx->default_mode = of_device_get_match_data(dev);



	ctx->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH);

	if (IS_ERR(ctx->reset_gpio)) {
@@ -293,8 +297,8 @@ static int mantix_probe(struct mipi_dsi_device *dsi) 
	}



	dev_info(dev, "%ux%u@%u %ubpp dsi %udl - ready\n",

		 default_mode.hdisplay, default_mode.vdisplay,

		 drm_mode_vrefresh(&default_mode),

		 ctx->default_mode->hdisplay, ctx->default_mode->vdisplay,

		 drm_mode_vrefresh(ctx->default_mode),

		 mipi_dsi_pixel_format_to_bpp(dsi->format), dsi->lanes);



	return 0;
@@ -321,7 +325,7 @@ static int mantix_remove(struct mipi_dsi_device *dsi) 
}



static const struct of_device_id mantix_of_match[] = {

	{ .compatible = "mantix,mlaf057we51-x" },

	{ .compatible = "mantix,mlaf057we51-x", .data = &default_mode_mantix },

	{ /* sentinel */ }

};

MODULE_DEVICE_TABLE(of, mantix_of_match);