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

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

Signed-off-by: Guido Günther <agx@sigxcpu.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/2580dba34c95a8159c1bdfd07604fbb8dbd0ad8c.1605688147.git.agx@sigxcpu.org
This commit is contained in:
Guido Günther 2020-11-18 09:29:50 +01:00
parent dd396dbc4d
commit 6ae5837c18
1 changed files with 11 additions and 7 deletions
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18
drivers/gpu/drm/panel/panel-mantix-mlaf057we51.c
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@ -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);