Changes the xinpeng-xpp055c272 panel to use multi style functions for
improved error handling.
Reviewed-by: Neil Armstrong <neil.armstr...@linaro.org>
Signed-off-by: Tejas Vipin <tejasvipi...@gmail.com>
---
Changes in v2:
- Changed print statement to conditionally run
- Removed unnecessary error message
- Reverted 2 mipi_dsi_msleep to msleep
Link to v1:
https://lore.kernel.org/all/20241223052049.419831-1-tejasvipi...@gmail.com/
---
.../gpu/drm/panel/panel-xinpeng-xpp055c272.c | 178 ++++++++----------
1 file changed, 80 insertions(+), 98 deletions(-)
diff --git a/drivers/gpu/drm/panel/panel-xinpeng-xpp055c272.c
b/drivers/gpu/drm/panel/panel-xinpeng-xpp055c272.c
index 22a14006765e..2b91414c2829 100644
--- a/drivers/gpu/drm/panel/panel-xinpeng-xpp055c272.c
+++ b/drivers/gpu/drm/panel/panel-xinpeng-xpp055c272.c
@@ -59,91 +59,80 @@ static inline struct xpp055c272 *panel_to_xpp055c272(struct
drm_panel *panel)
return container_of(panel, struct xpp055c272, panel);
}
-static int xpp055c272_init_sequence(struct xpp055c272 *ctx)
+static void xpp055c272_init_sequence(struct mipi_dsi_multi_context *dsi_ctx)
{
- struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
- struct device *dev = ctx->dev;
-
/*
* Init sequence was supplied by the panel vendor without much
* documentation.
*/
- mipi_dsi_dcs_write_seq(dsi, XPP055C272_CMD_SETEXTC, 0xf1, 0x12, 0x83);
- mipi_dsi_dcs_write_seq(dsi, XPP055C272_CMD_SETMIPI,
- 0x33, 0x81, 0x05, 0xf9, 0x0e, 0x0e, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x44, 0x25,
- 0x00, 0x91, 0x0a, 0x00, 0x00, 0x02, 0x4f, 0x01,
- 0x00, 0x00, 0x37);
- mipi_dsi_dcs_write_seq(dsi, XPP055C272_CMD_SETPOWER_EXT, 0x25);
- mipi_dsi_dcs_write_seq(dsi, XPP055C272_CMD_SETPCR, 0x02, 0x11, 0x00);
- mipi_dsi_dcs_write_seq(dsi, XPP055C272_CMD_SETRGBIF,
- 0x0c, 0x10, 0x0a, 0x50, 0x03, 0xff, 0x00, 0x00,
- 0x00, 0x00);
- mipi_dsi_dcs_write_seq(dsi, XPP055C272_CMD_SETSCR,
- 0x73, 0x73, 0x50, 0x50, 0x00, 0x00, 0x08, 0x70,
- 0x00);
- mipi_dsi_dcs_write_seq(dsi, XPP055C272_CMD_SETVDC, 0x46);
- mipi_dsi_dcs_write_seq(dsi, XPP055C272_CMD_SETPANEL, 0x0b);
- mipi_dsi_dcs_write_seq(dsi, XPP055C272_CMD_SETCYC, 0x80);
- mipi_dsi_dcs_write_seq(dsi, XPP055C272_CMD_SETDISP, 0xc8, 0x12, 0x30);
- mipi_dsi_dcs_write_seq(dsi, XPP055C272_CMD_SETEQ,
- 0x07, 0x07, 0x0B, 0x0B, 0x03, 0x0B, 0x00, 0x00,
- 0x00, 0x00, 0xFF, 0x00, 0xC0, 0x10);
- mipi_dsi_dcs_write_seq(dsi, XPP055C272_CMD_SETPOWER,
- 0x53, 0x00, 0x1e, 0x1e, 0x77, 0xe1, 0xcc, 0xdd,
- 0x67, 0x77, 0x33, 0x33);
- mipi_dsi_dcs_write_seq(dsi, XPP055C272_CMD_SETECO, 0x00, 0x00, 0xff,
- 0xff, 0x01, 0xff);
- mipi_dsi_dcs_write_seq(dsi, XPP055C272_CMD_SETBGP, 0x09, 0x09);
- msleep(20);
-
- mipi_dsi_dcs_write_seq(dsi, XPP055C272_CMD_SETVCOM, 0x87, 0x95);
- mipi_dsi_dcs_write_seq(dsi, XPP055C272_CMD_SETGIP1,
- 0xc2, 0x10, 0x05, 0x05, 0x10, 0x05, 0xa0, 0x12,
- 0x31, 0x23, 0x3f, 0x81, 0x0a, 0xa0, 0x37, 0x18,
- 0x00, 0x80, 0x01, 0x00, 0x00, 0x00, 0x00, 0x80,
- 0x01, 0x00, 0x00, 0x00, 0x48, 0xf8, 0x86, 0x42,
- 0x08, 0x88, 0x88, 0x80, 0x88, 0x88, 0x88, 0x58,
- 0xf8, 0x87, 0x53, 0x18, 0x88, 0x88, 0x81, 0x88,
- 0x88, 0x88, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00);
- mipi_dsi_dcs_write_seq(dsi, XPP055C272_CMD_SETGIP2,
- 0x00, 0x1a, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x1f, 0x88, 0x81, 0x35,
- 0x78, 0x88, 0x88, 0x85, 0x88, 0x88, 0x88, 0x0f,
- 0x88, 0x80, 0x24, 0x68, 0x88, 0x88, 0x84, 0x88,
- 0x88, 0x88, 0x23, 0x10, 0x00, 0x00, 0x1c, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x05,
- 0xa0, 0x00, 0x00, 0x00, 0x00);
- mipi_dsi_dcs_write_seq(dsi, XPP055C272_CMD_SETGAMMA,
- 0x00, 0x06, 0x08, 0x2a, 0x31, 0x3f, 0x38, 0x36,
- 0x07, 0x0c, 0x0d, 0x11, 0x13, 0x12, 0x13, 0x11,
- 0x18, 0x00, 0x06, 0x08, 0x2a, 0x31, 0x3f, 0x38,
- 0x36, 0x07, 0x0c, 0x0d, 0x11, 0x13, 0x12, 0x13,
- 0x11, 0x18);
-
- msleep(60);
-
- dev_dbg(dev, "Panel init sequence done\n");
- return 0;
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, XPP055C272_CMD_SETEXTC, 0xf1,
0x12, 0x83);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, XPP055C272_CMD_SETMIPI,
+ 0x33, 0x81, 0x05, 0xf9, 0x0e, 0x0e, 0x00,
0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x44,
0x25,
+ 0x00, 0x91, 0x0a, 0x00, 0x00, 0x02, 0x4f,
0x01,
+ 0x00, 0x00, 0x37);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, XPP055C272_CMD_SETPOWER_EXT,
0x25);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, XPP055C272_CMD_SETPCR, 0x02,
0x11, 0x00);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, XPP055C272_CMD_SETRGBIF,
+ 0x0c, 0x10, 0x0a, 0x50, 0x03, 0xff, 0x00,
0x00,
+ 0x00, 0x00);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, XPP055C272_CMD_SETSCR,
+ 0x73, 0x73, 0x50, 0x50, 0x00, 0x00, 0x08,
0x70,
+ 0x00);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, XPP055C272_CMD_SETVDC, 0x46);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, XPP055C272_CMD_SETPANEL, 0x0b);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, XPP055C272_CMD_SETCYC, 0x80);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, XPP055C272_CMD_SETDISP, 0xc8,
0x12, 0x30);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, XPP055C272_CMD_SETEQ,
+ 0x07, 0x07, 0x0b, 0x0b, 0x03, 0x0b, 0x00,
0x00,
+ 0x00, 0x00, 0xff, 0x00, 0xC0, 0x10);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, XPP055C272_CMD_SETPOWER,
+ 0x53, 0x00, 0x1e, 0x1e, 0x77, 0xe1, 0xcc,
0xdd,
+ 0x67, 0x77, 0x33, 0x33);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, XPP055C272_CMD_SETECO, 0x00,
0x00, 0xff,
+ 0xff, 0x01, 0xff);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, XPP055C272_CMD_SETBGP, 0x09,
0x09);
+ mipi_dsi_msleep(dsi_ctx, 20);
+
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, XPP055C272_CMD_SETVCOM, 0x87,
0x95);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, XPP055C272_CMD_SETGIP1,
+ 0xc2, 0x10, 0x05, 0x05, 0x10, 0x05, 0xa0,
0x12,
+ 0x31, 0x23, 0x3f, 0x81, 0x0a, 0xa0, 0x37,
0x18,
+ 0x00, 0x80, 0x01, 0x00, 0x00, 0x00, 0x00,
0x80,
+ 0x01, 0x00, 0x00, 0x00, 0x48, 0xf8, 0x86,
0x42,
+ 0x08, 0x88, 0x88, 0x80, 0x88, 0x88, 0x88,
0x58,
+ 0xf8, 0x87, 0x53, 0x18, 0x88, 0x88, 0x81,
0x88,
+ 0x88, 0x88, 0x00, 0x00, 0x00, 0x01, 0x00,
0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, XPP055C272_CMD_SETGIP2,
+ 0x00, 0x1a, 0x00, 0x00, 0x00, 0x00, 0x02,
0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x1f, 0x88, 0x81,
0x35,
+ 0x78, 0x88, 0x88, 0x85, 0x88, 0x88, 0x88,
0x0f,
+ 0x88, 0x80, 0x24, 0x68, 0x88, 0x88, 0x84,
0x88,
+ 0x88, 0x88, 0x23, 0x10, 0x00, 0x00, 0x1c,
0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30,
0x05,
+ 0xa0, 0x00, 0x00, 0x00, 0x00);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, XPP055C272_CMD_SETGAMMA,
+ 0x00, 0x06, 0x08, 0x2a, 0x31, 0x3f, 0x38,
0x36,
+ 0x07, 0x0c, 0x0d, 0x11, 0x13, 0x12, 0x13,
0x11,
+ 0x18, 0x00, 0x06, 0x08, 0x2a, 0x31, 0x3f,
0x38,
+ 0x36, 0x07, 0x0c, 0x0d, 0x11, 0x13, 0x12,
0x13,
+ 0x11, 0x18);
+
+ mipi_dsi_msleep(dsi_ctx, 60);
}
static int xpp055c272_unprepare(struct drm_panel *panel)
{
struct xpp055c272 *ctx = panel_to_xpp055c272(panel);
struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
- int ret;
+ struct mipi_dsi_multi_context dsi_ctx = { .dsi = dsi };
- ret = mipi_dsi_dcs_set_display_off(dsi);
- if (ret < 0)
- dev_err(ctx->dev, "failed to set display off: %d\n", ret);
-
- mipi_dsi_dcs_enter_sleep_mode(dsi);
- if (ret < 0) {
- dev_err(ctx->dev, "failed to enter sleep mode: %d\n", ret);
- return ret;
- }
+ mipi_dsi_dcs_set_display_off_multi(&dsi_ctx);
+ mipi_dsi_dcs_enter_sleep_mode_multi(&dsi_ctx);
+ if (dsi_ctx.accum_err)
+ return dsi_ctx.accum_err;
regulator_disable(ctx->iovcc);
regulator_disable(ctx->vci);
@@ -155,17 +144,19 @@ static int xpp055c272_prepare(struct drm_panel *panel)
{
struct xpp055c272 *ctx = panel_to_xpp055c272(panel);
struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
- int ret;
+ struct mipi_dsi_multi_context dsi_ctx = { .dsi = dsi };
dev_dbg(ctx->dev, "Resetting the panel\n");
- ret = regulator_enable(ctx->vci);
- if (ret < 0) {
- dev_err(ctx->dev, "Failed to enable vci supply: %d\n", ret);
- return ret;
+ dsi_ctx.accum_err = regulator_enable(ctx->vci);
+ if (dsi_ctx.accum_err) {
+ dev_err(ctx->dev, "Failed to enable vci supply: %d\n",
+ dsi_ctx.accum_err);
+ return dsi_ctx.accum_err;
}
- ret = regulator_enable(ctx->iovcc);
- if (ret < 0) {
- dev_err(ctx->dev, "Failed to enable iovcc supply: %d\n", ret);
+ dsi_ctx.accum_err = regulator_enable(ctx->iovcc);
+ if (dsi_ctx.accum_err) {
+ dev_err(ctx->dev, "Failed to enable iovcc supply: %d\n",
+ dsi_ctx.accum_err);
goto disable_vci;
}
@@ -177,26 +168,17 @@ static int xpp055c272_prepare(struct drm_panel *panel)
/* T8: 20ms */
msleep(20);
- ret = xpp055c272_init_sequence(ctx);
- if (ret < 0) {
- dev_err(ctx->dev, "Panel init sequence failed: %d\n", ret);
- goto disable_iovcc;
- }
-
- ret = mipi_dsi_dcs_exit_sleep_mode(dsi);
- if (ret < 0) {
- dev_err(ctx->dev, "Failed to exit sleep mode: %d\n", ret);
- goto disable_iovcc;
- }
+ xpp055c272_init_sequence(&dsi_ctx);
+ if (!dsi_ctx.accum_err)
+ dev_dbg(ctx->dev, "Panel init sequence done\n");
+ mipi_dsi_dcs_exit_sleep_mode_multi(&dsi_ctx);
/* T9: 120ms */
- msleep(120);
+ mipi_dsi_msleep(&dsi_ctx, 120);
+ mipi_dsi_dcs_set_display_on_multi(&dsi_ctx);
- ret = mipi_dsi_dcs_set_display_on(dsi);
- if (ret < 0) {
- dev_err(ctx->dev, "Failed to set display on: %d\n", ret);
+ if (dsi_ctx.accum_err)
goto disable_iovcc;
- }
msleep(50);
@@ -206,7 +188,7 @@ static int xpp055c272_prepare(struct drm_panel *panel)
regulator_disable(ctx->iovcc);
disable_vci:
regulator_disable(ctx->vci);
- return ret;
+ return dsi_ctx.accum_err;
}
static const struct drm_display_mode default_mode = {
--
2.47.1
