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Message-ID: <db64751c-1305-4dc2-a889-3d5da2ebd455@gmail.com>
Date: Fri, 28 Jun 2024 23:46:26 +0530
From: Tejas Vipin <tejasvipin76@...il.com>
To: neil.armstrong@...aro.org, quic_jesszhan@...cinc.com
Cc: dianders@...omium.org, maarten.lankhorst@...ux.intel.com,
mripard@...nel.org, tzimmermann@...e.de, airlied@...il.com, daniel@...ll.ch,
dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drm/panel: asus-z00t-tm5p5-n35596: transition to mipi_dsi
wrapped functions
Sorry, didn't intend to send this. please ignore it :p
On 6/28/24 11:42 PM, Tejas Vipin wrote:
> Use functions introduced in commit 966e397e4f60 ("drm/mipi-dsi:
> Introduce mipi_dsi_*_write_seq_multi()") and commit f79d6d28d8fe
> ("drm/mipi-dsi: wrap more functions for streamline handling") for the
> asus-z00t-tm5p5-n35596 panel.
>
> Signed-off-by: Tejas Vipin <tejasvipin76@...il.com>
> ---
> .../drm/panel/panel-asus-z00t-tm5p5-n35596.c | 140 ++++++++----------
> 1 file changed, 59 insertions(+), 81 deletions(-)
>
> diff --git a/drivers/gpu/drm/panel/panel-asus-z00t-tm5p5-n35596.c b/drivers/gpu/drm/panel/panel-asus-z00t-tm5p5-n35596.c
> index bcaa63d1955f..b05a663c134c 100644
> --- a/drivers/gpu/drm/panel/panel-asus-z00t-tm5p5-n35596.c
> +++ b/drivers/gpu/drm/panel/panel-asus-z00t-tm5p5-n35596.c
> @@ -33,119 +33,97 @@ static void tm5p5_nt35596_reset(struct tm5p5_nt35596 *ctx)
> usleep_range(15000, 16000);
> }
>
> -static int tm5p5_nt35596_on(struct tm5p5_nt35596 *ctx)
> +static void tm5p5_nt35596_on(struct mipi_dsi_multi_context *dsi_ctx)
> {
> - struct mipi_dsi_device *dsi = ctx->dsi;
> -
> - mipi_dsi_generic_write_seq(dsi, 0xff, 0x05);
> - mipi_dsi_generic_write_seq(dsi, 0xfb, 0x01);
> - mipi_dsi_generic_write_seq(dsi, 0xc5, 0x31);
> - mipi_dsi_generic_write_seq(dsi, 0xff, 0x04);
> - mipi_dsi_generic_write_seq(dsi, 0x01, 0x84);
> - mipi_dsi_generic_write_seq(dsi, 0x05, 0x25);
> - mipi_dsi_generic_write_seq(dsi, 0x06, 0x01);
> - mipi_dsi_generic_write_seq(dsi, 0x07, 0x20);
> - mipi_dsi_generic_write_seq(dsi, 0x08, 0x06);
> - mipi_dsi_generic_write_seq(dsi, 0x09, 0x08);
> - mipi_dsi_generic_write_seq(dsi, 0x0a, 0x10);
> - mipi_dsi_generic_write_seq(dsi, 0x0b, 0x10);
> - mipi_dsi_generic_write_seq(dsi, 0x0c, 0x10);
> - mipi_dsi_generic_write_seq(dsi, 0x0d, 0x14);
> - mipi_dsi_generic_write_seq(dsi, 0x0e, 0x14);
> - mipi_dsi_generic_write_seq(dsi, 0x0f, 0x14);
> - mipi_dsi_generic_write_seq(dsi, 0x10, 0x14);
> - mipi_dsi_generic_write_seq(dsi, 0x11, 0x14);
> - mipi_dsi_generic_write_seq(dsi, 0x12, 0x14);
> - mipi_dsi_generic_write_seq(dsi, 0x17, 0xf3);
> - mipi_dsi_generic_write_seq(dsi, 0x18, 0xc0);
> - mipi_dsi_generic_write_seq(dsi, 0x19, 0xc0);
> - mipi_dsi_generic_write_seq(dsi, 0x1a, 0xc0);
> - mipi_dsi_generic_write_seq(dsi, 0x1b, 0xb3);
> - mipi_dsi_generic_write_seq(dsi, 0x1c, 0xb3);
> - mipi_dsi_generic_write_seq(dsi, 0x1d, 0xb3);
> - mipi_dsi_generic_write_seq(dsi, 0x1e, 0xb3);
> - mipi_dsi_generic_write_seq(dsi, 0x1f, 0xb3);
> - mipi_dsi_generic_write_seq(dsi, 0x20, 0xb3);
> - mipi_dsi_generic_write_seq(dsi, 0xfb, 0x01);
> - mipi_dsi_generic_write_seq(dsi, 0xff, 0x00);
> - mipi_dsi_generic_write_seq(dsi, 0xfb, 0x01);
> - mipi_dsi_generic_write_seq(dsi, 0x35, 0x01);
> - mipi_dsi_generic_write_seq(dsi, 0xd3, 0x06);
> - mipi_dsi_generic_write_seq(dsi, 0xd4, 0x04);
> - mipi_dsi_generic_write_seq(dsi, 0x5e, 0x0d);
> - mipi_dsi_generic_write_seq(dsi, 0x11, 0x00);
> - msleep(100);
> - mipi_dsi_generic_write_seq(dsi, 0x29, 0x00);
> - mipi_dsi_generic_write_seq(dsi, 0x53, 0x24);
> -
> - return 0;
> + mipi_dsi_generic_write_seq_multi(dsi_ctx, 0xff, 0x05);
> + mipi_dsi_generic_write_seq_multi(dsi_ctx, 0xfb, 0x01);
> + mipi_dsi_generic_write_seq_multi(dsi_ctx, 0xc5, 0x31);
> + mipi_dsi_generic_write_seq_multi(dsi_ctx, 0xff, 0x04);
> + mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x01, 0x84);
> + mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x05, 0x25);
> + mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x06, 0x01);
> + mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x07, 0x20);
> + mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x08, 0x06);
> + mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x09, 0x08);
> + mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x0a, 0x10);
> + mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x0b, 0x10);
> + mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x0c, 0x10);
> + mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x0d, 0x14);
> + mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x0e, 0x14);
> + mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x0f, 0x14);
> + mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x10, 0x14);
> + mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x11, 0x14);
> + mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x12, 0x14);
> + mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x17, 0xf3);
> + mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x18, 0xc0);
> + mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x19, 0xc0);
> + mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x1a, 0xc0);
> + mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x1b, 0xb3);
> + mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x1c, 0xb3);
> + mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x1d, 0xb3);
> + mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x1e, 0xb3);
> + mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x1f, 0xb3);
> + mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x20, 0xb3);
> + mipi_dsi_generic_write_seq_multi(dsi_ctx, 0xfb, 0x01);
> + mipi_dsi_generic_write_seq_multi(dsi_ctx, 0xff, 0x00);
> + mipi_dsi_generic_write_seq_multi(dsi_ctx, 0xfb, 0x01);
> + mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x35, 0x01);
> + mipi_dsi_generic_write_seq_multi(dsi_ctx, 0xd3, 0x06);
> + mipi_dsi_generic_write_seq_multi(dsi_ctx, 0xd4, 0x04);
> + mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x5e, 0x0d);
> + mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x11, 0x00);
> +
> + mipi_dsi_msleep(dsi_ctx, 100);
> +
> + mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x29, 0x00);
> + mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x53, 0x24);
> }
>
> -static int tm5p5_nt35596_off(struct tm5p5_nt35596 *ctx)
> +static void tm5p5_nt35596_off(struct mipi_dsi_multi_context *dsi_ctx)
> {
> - struct mipi_dsi_device *dsi = ctx->dsi;
> - struct device *dev = &dsi->dev;
> - int ret;
> -
> - ret = mipi_dsi_dcs_set_display_off(dsi);
> - if (ret < 0) {
> - dev_err(dev, "Failed to set display off: %d\n", ret);
> - return ret;
> - }
> - msleep(60);
> + mipi_dsi_dcs_set_display_off_multi(dsi_ctx);
>
> - ret = mipi_dsi_dcs_enter_sleep_mode(dsi);
> - if (ret < 0) {
> - dev_err(dev, "Failed to enter sleep mode: %d\n", ret);
> - return ret;
> - }
> + mipi_dsi_msleep(dsi_ctx, 60);
>
> - mipi_dsi_dcs_write_seq(dsi, 0x4f, 0x01);
> + mipi_dsi_dcs_enter_sleep_mode_multi(dsi_ctx);
>
> - return 0;
> + mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0x4f, 0x01);
> }
>
> static int tm5p5_nt35596_prepare(struct drm_panel *panel)
> {
> struct tm5p5_nt35596 *ctx = to_tm5p5_nt35596(panel);
> - struct device *dev = &ctx->dsi->dev;
> - int ret;
> + struct mipi_dsi_multi_context dsi_ctx = {.dsi = ctx->dsi};
>
> - ret = regulator_bulk_enable(ARRAY_SIZE(ctx->supplies), ctx->supplies);
> - if (ret < 0) {
> - dev_err(dev, "Failed to enable regulators: %d\n", ret);
> - return ret;
> - }
> + dsi_ctx.accum_err = regulator_bulk_enable(ARRAY_SIZE(ctx->supplies), ctx->supplies);
> + if (dsi_ctx.accum_err)
> + return dsi_ctx.accum_err;
>
> tm5p5_nt35596_reset(ctx);
>
> - ret = tm5p5_nt35596_on(ctx);
> - if (ret < 0) {
> - dev_err(dev, "Failed to initialize panel: %d\n", ret);
> + tm5p5_nt35596_on(&dsi_ctx);
> +
> + if (dsi_ctx.accum_err) {
> gpiod_set_value_cansleep(ctx->reset_gpio, 0);
> regulator_bulk_disable(ARRAY_SIZE(ctx->supplies),
> ctx->supplies);
> - return ret;
> }
>
> - return 0;
> + return dsi_ctx.accum_err;
> }
>
> static int tm5p5_nt35596_unprepare(struct drm_panel *panel)
> {
> struct tm5p5_nt35596 *ctx = to_tm5p5_nt35596(panel);
> - struct device *dev = &ctx->dsi->dev;
> - int ret;
> + struct mipi_dsi_multi_context dsi_ctx = {.dsi = ctx->dsi};
>
> - ret = tm5p5_nt35596_off(ctx);
> - if (ret < 0)
> - dev_err(dev, "Failed to un-initialize panel: %d\n", ret);
> + tm5p5_nt35596_off(&dsi_ctx);
>
> gpiod_set_value_cansleep(ctx->reset_gpio, 0);
> regulator_bulk_disable(ARRAY_SIZE(ctx->supplies),
> ctx->supplies);
>
> - return 0;
> + return dsi_ctx.accum_err;
> }
>
> static const struct drm_display_mode tm5p5_nt35596_mode = {
--
Tejas Vipin
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