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Message-ID: <0bb94cc0-dd72-4da7-b0b6-9e1fe712709b@quicinc.com>
Date: Fri, 6 Sep 2024 15:14:43 -0700
From: Jessica Zhang <quic_jesszhan@...cinc.com>
To: Tejas Vipin <tejasvipin76@...il.com>, <neil.armstrong@...aro.org>,
<maarten.lankhorst@...ux.intel.com>, <mripard@...nel.org>,
<tzimmermann@...e.de>, <airlied@...il.com>, <daniel@...ll.ch>
CC: <dianders@...omium.org>, <dri-devel@...ts.freedesktop.org>,
<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] drm/panel: himax-hx83112a: transition to mipi_dsi wrapped
functions
On 9/4/2024 7:15 AM, Tejas Vipin wrote:
> Changes the himax-hx83112a panel to use multi style functions for
> improved error handling.
>
> Signed-off-by: Tejas Vipin <tejasvipin76@...il.com>
Reviewed-by: Jessica Zhang <quic_jesszhan@...cinc.com>
> ---
> drivers/gpu/drm/panel/panel-himax-hx83112a.c | 297 +++++++++----------
> 1 file changed, 136 insertions(+), 161 deletions(-)
>
> diff --git a/drivers/gpu/drm/panel/panel-himax-hx83112a.c b/drivers/gpu/drm/panel/panel-himax-hx83112a.c
> index 466c27012abf..47bce087e339 100644
> --- a/drivers/gpu/drm/panel/panel-himax-hx83112a.c
> +++ b/drivers/gpu/drm/panel/panel-himax-hx83112a.c
> @@ -56,198 +56,173 @@ static void hx83112a_reset(struct hx83112a_panel *ctx)
> msleep(50);
> }
>
> -static int hx83112a_on(struct hx83112a_panel *ctx)
> +static int hx83112a_on(struct mipi_dsi_device *dsi)
> {
> - struct mipi_dsi_device *dsi = ctx->dsi;
> - struct device *dev = &dsi->dev;
> - int ret;
> + struct mipi_dsi_multi_context dsi_ctx = { .dsi = dsi };
>
> dsi->mode_flags |= MIPI_DSI_MODE_LPM;
>
> - mipi_dsi_dcs_write_seq(dsi, HX83112A_SETEXTC, 0x83, 0x11, 0x2a);
> - mipi_dsi_dcs_write_seq(dsi, HX83112A_SETPOWER1,
> - 0x08, 0x28, 0x28, 0x83, 0x83, 0x4c, 0x4f, 0x33);
> - mipi_dsi_dcs_write_seq(dsi, HX83112A_SETDISP,
> - 0x00, 0x02, 0x00, 0x90, 0x24, 0x00, 0x08, 0x19,
> - 0xea, 0x11, 0x11, 0x00, 0x11, 0xa3);
> - mipi_dsi_dcs_write_seq(dsi, HX83112A_SETDRV,
> - 0x58, 0x68, 0x58, 0x68, 0x0f, 0xef, 0x0b, 0xc0,
> - 0x0b, 0xc0, 0x0b, 0xc0, 0x00, 0xff, 0x00, 0xff,
> - 0x00, 0x00, 0x14, 0x15, 0x00, 0x29, 0x11, 0x07,
> - 0x12, 0x00, 0x29);
> - mipi_dsi_dcs_write_seq(dsi, HX83112A_SETBANK, 0x02);
> - mipi_dsi_dcs_write_seq(dsi, HX83112A_SETDRV,
> - 0x00, 0x12, 0x12, 0x11, 0x88, 0x12, 0x12, 0x00,
> - 0x53);
> - mipi_dsi_dcs_write_seq(dsi, HX83112A_SETBANK, 0x00);
> - mipi_dsi_dcs_write_seq(dsi, HX83112A_SETBANK, 0x03);
> - mipi_dsi_dcs_write_seq(dsi, HX83112A_SETDGCLUT,
> - 0xff, 0xfe, 0xfb, 0xf8, 0xf4, 0xf1, 0xed, 0xe6,
> - 0xe2, 0xde, 0xdb, 0xd6, 0xd3, 0xcf, 0xca, 0xc6,
> - 0xc2, 0xbe, 0xb9, 0xb0, 0xa7, 0x9e, 0x96, 0x8d,
> - 0x84, 0x7c, 0x74, 0x6b, 0x62, 0x5a, 0x51, 0x49,
> - 0x41, 0x39, 0x31, 0x29, 0x21, 0x19, 0x12, 0x0a,
> - 0x06, 0x05, 0x02, 0x01, 0x00, 0x00, 0xc9, 0xb3,
> - 0x08, 0x0e, 0xf2, 0xe1, 0x59, 0xf4, 0x22, 0xad,
> - 0x40);
> - mipi_dsi_dcs_write_seq(dsi, HX83112A_SETBANK, 0x02);
> - mipi_dsi_dcs_write_seq(dsi, HX83112A_SETDGCLUT,
> - 0xff, 0xfe, 0xfb, 0xf8, 0xf4, 0xf1, 0xed, 0xe6,
> - 0xe2, 0xde, 0xdb, 0xd6, 0xd3, 0xcf, 0xca, 0xc6,
> - 0xc2, 0xbe, 0xb9, 0xb0, 0xa7, 0x9e, 0x96, 0x8d,
> - 0x84, 0x7c, 0x74, 0x6b, 0x62, 0x5a, 0x51, 0x49,
> - 0x41, 0x39, 0x31, 0x29, 0x21, 0x19, 0x12, 0x0a,
> - 0x06, 0x05, 0x02, 0x01, 0x00, 0x00, 0xc9, 0xb3,
> - 0x08, 0x0e, 0xf2, 0xe1, 0x59, 0xf4, 0x22, 0xad,
> - 0x40);
> - mipi_dsi_dcs_write_seq(dsi, HX83112A_SETBANK, 0x01);
> - mipi_dsi_dcs_write_seq(dsi, HX83112A_SETDGCLUT,
> - 0xff, 0xfe, 0xfb, 0xf8, 0xf4, 0xf1, 0xed, 0xe6,
> - 0xe2, 0xde, 0xdb, 0xd6, 0xd3, 0xcf, 0xca, 0xc6,
> - 0xc2, 0xbe, 0xb9, 0xb0, 0xa7, 0x9e, 0x96, 0x8d,
> - 0x84, 0x7c, 0x74, 0x6b, 0x62, 0x5a, 0x51, 0x49,
> - 0x41, 0x39, 0x31, 0x29, 0x21, 0x19, 0x12, 0x0a,
> - 0x06, 0x05, 0x02, 0x01, 0x00, 0x00, 0xc9, 0xb3,
> - 0x08, 0x0e, 0xf2, 0xe1, 0x59, 0xf4, 0x22, 0xad,
> - 0x40);
> - mipi_dsi_dcs_write_seq(dsi, HX83112A_SETBANK, 0x00);
> - mipi_dsi_dcs_write_seq(dsi, HX83112A_SETDGCLUT, 0x01);
> - mipi_dsi_dcs_write_seq(dsi, HX83112A_SETTCON,
> - 0x70, 0x00, 0x04, 0xe0, 0x33, 0x00);
> - mipi_dsi_dcs_write_seq(dsi, HX83112A_SETPANEL, 0x08);
> - mipi_dsi_dcs_write_seq(dsi, HX83112A_SETPOWER2, 0x2b, 0x2b);
> - mipi_dsi_dcs_write_seq(dsi, HX83112A_SETGIP0,
> - 0x80, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x08,
> - 0x08, 0x03, 0x03, 0x22, 0x18, 0x07, 0x07, 0x07,
> - 0x07, 0x32, 0x10, 0x06, 0x00, 0x06, 0x32, 0x10,
> - 0x07, 0x00, 0x07, 0x32, 0x19, 0x31, 0x09, 0x31,
> - 0x00, 0x00, 0x05, 0x00, 0x00, 0x00, 0x00, 0x08,
> - 0x09, 0x30, 0x00, 0x00, 0x00, 0x06, 0x0d, 0x00,
> - 0x0f);
> - mipi_dsi_dcs_write_seq(dsi, HX83112A_SETBANK, 0x01);
> - mipi_dsi_dcs_write_seq(dsi, HX83112A_SETGIP0,
> - 0x00, 0x00, 0x19, 0x10, 0x00, 0x0a, 0x00, 0x81);
> - mipi_dsi_dcs_write_seq(dsi, HX83112A_SETBANK, 0x00);
> - mipi_dsi_dcs_write_seq(dsi, HX83112A_SETGIP1,
> - 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
> - 0xc0, 0xc0, 0x18, 0x18, 0x19, 0x19, 0x18, 0x18,
> - 0x40, 0x40, 0x18, 0x18, 0x18, 0x18, 0x3f, 0x3f,
> - 0x28, 0x28, 0x24, 0x24, 0x02, 0x03, 0x02, 0x03,
> - 0x00, 0x01, 0x00, 0x01, 0x31, 0x31, 0x31, 0x31,
> - 0x30, 0x30, 0x30, 0x30, 0x2f, 0x2f, 0x2f, 0x2f);
> - mipi_dsi_dcs_write_seq(dsi, HX83112A_SETGIP2,
> - 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
> - 0x40, 0x40, 0x18, 0x18, 0x18, 0x18, 0x19, 0x19,
> - 0x40, 0x40, 0x18, 0x18, 0x18, 0x18, 0x3f, 0x3f,
> - 0x24, 0x24, 0x28, 0x28, 0x01, 0x00, 0x01, 0x00,
> - 0x03, 0x02, 0x03, 0x02, 0x31, 0x31, 0x31, 0x31,
> - 0x30, 0x30, 0x30, 0x30, 0x2f, 0x2f, 0x2f, 0x2f);
> - mipi_dsi_dcs_write_seq(dsi, HX83112A_SETGIP3,
> - 0xaa, 0xea, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xea,
> - 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xea, 0xab, 0xaa,
> - 0xaa, 0xaa, 0xaa, 0xea, 0xab, 0xaa, 0xaa, 0xaa);
> - mipi_dsi_dcs_write_seq(dsi, HX83112A_SETBANK, 0x01);
> - mipi_dsi_dcs_write_seq(dsi, HX83112A_SETGIP3,
> - 0xaa, 0x2e, 0x28, 0x00, 0x00, 0x00, 0xaa, 0x2e,
> - 0x28, 0x00, 0x00, 0x00, 0xaa, 0xee, 0xaa, 0xaa,
> - 0xaa, 0xaa, 0xaa, 0xee, 0xaa, 0xaa, 0xaa, 0xaa);
> - mipi_dsi_dcs_write_seq(dsi, HX83112A_SETBANK, 0x02);
> - mipi_dsi_dcs_write_seq(dsi, HX83112A_SETGIP3,
> - 0xaa, 0xff, 0xff, 0xff, 0xff, 0xff, 0xaa, 0xff,
> - 0xff, 0xff, 0xff, 0xff);
> - mipi_dsi_dcs_write_seq(dsi, HX83112A_SETBANK, 0x03);
> - mipi_dsi_dcs_write_seq(dsi, HX83112A_SETGIP3,
> - 0xaa, 0xaa, 0xea, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
> - 0xea, 0xaa, 0xaa, 0xaa, 0xaa, 0xff, 0xff, 0xff,
> - 0xff, 0xff, 0xaa, 0xff, 0xff, 0xff, 0xff, 0xff);
> - mipi_dsi_dcs_write_seq(dsi, HX83112A_SETBANK, 0x00);
> - mipi_dsi_dcs_write_seq(dsi, HX83112A_SETTP1,
> - 0x0e, 0x0e, 0x1e, 0x65, 0x1c, 0x65, 0x00, 0x50,
> - 0x20, 0x20, 0x00, 0x00, 0x02, 0x02, 0x02, 0x05,
> - 0x14, 0x14, 0x32, 0xb9, 0x23, 0xb9, 0x08);
> - mipi_dsi_dcs_write_seq(dsi, HX83112A_SETBANK, 0x01);
> - mipi_dsi_dcs_write_seq(dsi, HX83112A_SETTP1,
> - 0x02, 0x00, 0xa8, 0x01, 0xa8, 0x0d, 0xa4, 0x0e);
> - mipi_dsi_dcs_write_seq(dsi, HX83112A_SETBANK, 0x02);
> - mipi_dsi_dcs_write_seq(dsi, HX83112A_SETTP1,
> - 0x00, 0x00, 0x08, 0x00, 0x01, 0x00, 0x00, 0x00,
> - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x00,
> - 0x00, 0x00, 0x00, 0x02, 0x00);
> - mipi_dsi_dcs_write_seq(dsi, HX83112A_SETBANK, 0x00);
> - mipi_dsi_dcs_write_seq(dsi, HX83112A_UNKNOWN1, 0xc3);
> - mipi_dsi_dcs_write_seq(dsi, HX83112A_SETCLOCK, 0xd1, 0xd6);
> - mipi_dsi_dcs_write_seq(dsi, HX83112A_UNKNOWN1, 0x3f);
> - mipi_dsi_dcs_write_seq(dsi, HX83112A_UNKNOWN1, 0xc6);
> - mipi_dsi_dcs_write_seq(dsi, HX83112A_SETPTBA, 0x37);
> - mipi_dsi_dcs_write_seq(dsi, HX83112A_UNKNOWN1, 0x3f);
> -
> - ret = mipi_dsi_dcs_exit_sleep_mode(dsi);
> - if (ret < 0) {
> - dev_err(dev, "Failed to exit sleep mode: %d\n", ret);
> - return ret;
> - }
> - msleep(150);
> -
> - ret = mipi_dsi_dcs_set_display_on(dsi);
> - if (ret < 0) {
> - dev_err(dev, "Failed to set display on: %d\n", ret);
> - return ret;
> - }
> - msleep(50);
> -
> - return 0;
> + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETEXTC, 0x83, 0x11, 0x2a);
> + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETPOWER1,
> + 0x08, 0x28, 0x28, 0x83, 0x83, 0x4c, 0x4f, 0x33);
> + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETDISP,
> + 0x00, 0x02, 0x00, 0x90, 0x24, 0x00, 0x08, 0x19,
> + 0xea, 0x11, 0x11, 0x00, 0x11, 0xa3);
> + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETDRV,
> + 0x58, 0x68, 0x58, 0x68, 0x0f, 0xef, 0x0b, 0xc0,
> + 0x0b, 0xc0, 0x0b, 0xc0, 0x00, 0xff, 0x00, 0xff,
> + 0x00, 0x00, 0x14, 0x15, 0x00, 0x29, 0x11, 0x07,
> + 0x12, 0x00, 0x29);
> + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETBANK, 0x02);
> + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETDRV,
> + 0x00, 0x12, 0x12, 0x11, 0x88, 0x12, 0x12, 0x00,
> + 0x53);
> + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETBANK, 0x00);
> + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETBANK, 0x03);
> + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETDGCLUT,
> + 0xff, 0xfe, 0xfb, 0xf8, 0xf4, 0xf1, 0xed, 0xe6,
> + 0xe2, 0xde, 0xdb, 0xd6, 0xd3, 0xcf, 0xca, 0xc6,
> + 0xc2, 0xbe, 0xb9, 0xb0, 0xa7, 0x9e, 0x96, 0x8d,
> + 0x84, 0x7c, 0x74, 0x6b, 0x62, 0x5a, 0x51, 0x49,
> + 0x41, 0x39, 0x31, 0x29, 0x21, 0x19, 0x12, 0x0a,
> + 0x06, 0x05, 0x02, 0x01, 0x00, 0x00, 0xc9, 0xb3,
> + 0x08, 0x0e, 0xf2, 0xe1, 0x59, 0xf4, 0x22, 0xad,
> + 0x40);
> + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETBANK, 0x02);
> + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETDGCLUT,
> + 0xff, 0xfe, 0xfb, 0xf8, 0xf4, 0xf1, 0xed, 0xe6,
> + 0xe2, 0xde, 0xdb, 0xd6, 0xd3, 0xcf, 0xca, 0xc6,
> + 0xc2, 0xbe, 0xb9, 0xb0, 0xa7, 0x9e, 0x96, 0x8d,
> + 0x84, 0x7c, 0x74, 0x6b, 0x62, 0x5a, 0x51, 0x49,
> + 0x41, 0x39, 0x31, 0x29, 0x21, 0x19, 0x12, 0x0a,
> + 0x06, 0x05, 0x02, 0x01, 0x00, 0x00, 0xc9, 0xb3,
> + 0x08, 0x0e, 0xf2, 0xe1, 0x59, 0xf4, 0x22, 0xad,
> + 0x40);
> + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETBANK, 0x01);
> + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETDGCLUT,
> + 0xff, 0xfe, 0xfb, 0xf8, 0xf4, 0xf1, 0xed, 0xe6,
> + 0xe2, 0xde, 0xdb, 0xd6, 0xd3, 0xcf, 0xca, 0xc6,
> + 0xc2, 0xbe, 0xb9, 0xb0, 0xa7, 0x9e, 0x96, 0x8d,
> + 0x84, 0x7c, 0x74, 0x6b, 0x62, 0x5a, 0x51, 0x49,
> + 0x41, 0x39, 0x31, 0x29, 0x21, 0x19, 0x12, 0x0a,
> + 0x06, 0x05, 0x02, 0x01, 0x00, 0x00, 0xc9, 0xb3,
> + 0x08, 0x0e, 0xf2, 0xe1, 0x59, 0xf4, 0x22, 0xad,
> + 0x40);
> + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETBANK, 0x00);
> + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETDGCLUT, 0x01);
> + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETTCON,
> + 0x70, 0x00, 0x04, 0xe0, 0x33, 0x00);
> + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETPANEL, 0x08);
> + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETPOWER2, 0x2b, 0x2b);
> + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETGIP0,
> + 0x80, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x08,
> + 0x08, 0x03, 0x03, 0x22, 0x18, 0x07, 0x07, 0x07,
> + 0x07, 0x32, 0x10, 0x06, 0x00, 0x06, 0x32, 0x10,
> + 0x07, 0x00, 0x07, 0x32, 0x19, 0x31, 0x09, 0x31,
> + 0x00, 0x00, 0x05, 0x00, 0x00, 0x00, 0x00, 0x08,
> + 0x09, 0x30, 0x00, 0x00, 0x00, 0x06, 0x0d, 0x00,
> + 0x0f);
> + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETBANK, 0x01);
> + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETGIP0,
> + 0x00, 0x00, 0x19, 0x10, 0x00, 0x0a, 0x00, 0x81);
> + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETBANK, 0x00);
> + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETGIP1,
> + 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
> + 0xc0, 0xc0, 0x18, 0x18, 0x19, 0x19, 0x18, 0x18,
> + 0x40, 0x40, 0x18, 0x18, 0x18, 0x18, 0x3f, 0x3f,
> + 0x28, 0x28, 0x24, 0x24, 0x02, 0x03, 0x02, 0x03,
> + 0x00, 0x01, 0x00, 0x01, 0x31, 0x31, 0x31, 0x31,
> + 0x30, 0x30, 0x30, 0x30, 0x2f, 0x2f, 0x2f, 0x2f);
> + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETGIP2,
> + 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
> + 0x40, 0x40, 0x18, 0x18, 0x18, 0x18, 0x19, 0x19,
> + 0x40, 0x40, 0x18, 0x18, 0x18, 0x18, 0x3f, 0x3f,
> + 0x24, 0x24, 0x28, 0x28, 0x01, 0x00, 0x01, 0x00,
> + 0x03, 0x02, 0x03, 0x02, 0x31, 0x31, 0x31, 0x31,
> + 0x30, 0x30, 0x30, 0x30, 0x2f, 0x2f, 0x2f, 0x2f);
> + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETGIP3,
> + 0xaa, 0xea, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xea,
> + 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xea, 0xab, 0xaa,
> + 0xaa, 0xaa, 0xaa, 0xea, 0xab, 0xaa, 0xaa, 0xaa);
> + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETBANK, 0x01);
> + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETGIP3,
> + 0xaa, 0x2e, 0x28, 0x00, 0x00, 0x00, 0xaa, 0x2e,
> + 0x28, 0x00, 0x00, 0x00, 0xaa, 0xee, 0xaa, 0xaa,
> + 0xaa, 0xaa, 0xaa, 0xee, 0xaa, 0xaa, 0xaa, 0xaa);
> + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETBANK, 0x02);
> + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETGIP3,
> + 0xaa, 0xff, 0xff, 0xff, 0xff, 0xff, 0xaa, 0xff,
> + 0xff, 0xff, 0xff, 0xff);
> + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETBANK, 0x03);
> + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETGIP3,
> + 0xaa, 0xaa, 0xea, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
> + 0xea, 0xaa, 0xaa, 0xaa, 0xaa, 0xff, 0xff, 0xff,
> + 0xff, 0xff, 0xaa, 0xff, 0xff, 0xff, 0xff, 0xff);
> + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETBANK, 0x00);
> + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETTP1,
> + 0x0e, 0x0e, 0x1e, 0x65, 0x1c, 0x65, 0x00, 0x50,
> + 0x20, 0x20, 0x00, 0x00, 0x02, 0x02, 0x02, 0x05,
> + 0x14, 0x14, 0x32, 0xb9, 0x23, 0xb9, 0x08);
> + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETBANK, 0x01);
> + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETTP1,
> + 0x02, 0x00, 0xa8, 0x01, 0xa8, 0x0d, 0xa4, 0x0e);
> + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETBANK, 0x02);
> + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETTP1,
> + 0x00, 0x00, 0x08, 0x00, 0x01, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x00,
> + 0x00, 0x00, 0x00, 0x02, 0x00);
> + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETBANK, 0x00);
> + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_UNKNOWN1, 0xc3);
> + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETCLOCK, 0xd1, 0xd6);
> + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_UNKNOWN1, 0x3f);
> + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_UNKNOWN1, 0xc6);
> + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETPTBA, 0x37);
> + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_UNKNOWN1, 0x3f);
> +
> + mipi_dsi_dcs_exit_sleep_mode_multi(&dsi_ctx);
> + mipi_dsi_msleep(&dsi_ctx, 150);
> +
> + mipi_dsi_dcs_set_display_on_multi(&dsi_ctx);
> + mipi_dsi_msleep(&dsi_ctx, 50);
> +
> + return dsi_ctx.accum_err;
> }
>
> static int hx83112a_disable(struct drm_panel *panel)
> {
> struct hx83112a_panel *ctx = to_hx83112a_panel(panel);
> struct mipi_dsi_device *dsi = ctx->dsi;
> - struct device *dev = &dsi->dev;
> - int ret;
> + struct mipi_dsi_multi_context dsi_ctx = { .dsi = dsi };
>
> dsi->mode_flags &= ~MIPI_DSI_MODE_LPM;
>
> - 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(20);
> -
> - ret = mipi_dsi_dcs_enter_sleep_mode(dsi);
> - if (ret < 0) {
> - dev_err(dev, "Failed to enter sleep mode: %d\n", ret);
> - return ret;
> - }
> - msleep(120);
> + mipi_dsi_dcs_set_display_off_multi(&dsi_ctx);
> + mipi_dsi_msleep(&dsi_ctx, 20);
> + mipi_dsi_dcs_enter_sleep_mode_multi(&dsi_ctx);
> + mipi_dsi_msleep(&dsi_ctx, 120);
>
> - return 0;
> + return dsi_ctx.accum_err;
> }
>
> static int hx83112a_prepare(struct drm_panel *panel)
> {
> struct hx83112a_panel *ctx = to_hx83112a_panel(panel);
> - struct device *dev = &ctx->dsi->dev;
> int ret;
>
> ret = regulator_bulk_enable(ARRAY_SIZE(ctx->supplies), ctx->supplies);
> - if (ret < 0) {
> - dev_err(dev, "Failed to enable regulators: %d\n", ret);
> + if (ret < 0)
> return ret;
> - }
>
> hx83112a_reset(ctx);
>
> - ret = hx83112a_on(ctx);
> + ret = hx83112a_on(ctx->dsi);
> if (ret < 0) {
> - dev_err(dev, "Failed to initialize panel: %d\n", ret);
> gpiod_set_value_cansleep(ctx->reset_gpio, 1);
> regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), ctx->supplies);
> - return ret;
> }
>
> - return 0;
> + return ret;
> }
>
> static int hx83112a_unprepare(struct drm_panel *panel)
> --
> 2.46.0
>
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