[PATCH v2 2/2] drm/panel: startek-kd070fhfid015: transition to mipi_dsi wrapped functions

Tejas Vipin
2024-07-30T06:07:29Z

Use multi style wrapped functions for mipi_dsi in the
startek-kd070fhfid015 panel.

Signed-off-by: Tejas Vipin <tejasvipin76@gmail.com>
---
.../drm/panel/panel-startek-kd070fhfid015.c | 123 ++++++------------
1 file changed, 39 insertions(+), 84 deletions(-)

diff --git a/drivers/gpu/drm/panel/panel-startek-kd070fhfid015.c b/drivers/gpu/drm/panel/panel-startek-kd070fhfid015.c
index 0156689f41cd..f1df727b9183 100644
--- a/drivers/gpu/drm/panel/panel-startek-kd070fhfid015.c
+++ b/drivers/gpu/drm/panel/panel-startek-kd070fhfid015.c
@@ -24,10 +24,10 @@
#include <drm/drm_modes.h>
#include <drm/drm_panel.h>

-#define DSI_REG_MCAP 0xB0
-#define DSI_REG_IS 0xB3 /* Interface Setting */
-#define DSI_REG_IIS 0xB4 /* Interface ID Setting */
-#define DSI_REG_CTRL 0xB6
+#define DSI_REG_MCAP 0xb0
+#define DSI_REG_IS 0xb3 /* Interface Setting */
+#define DSI_REG_IIS 0xb4 /* Interface ID Setting */
+#define DSI_REG_CTRL 0xb6

enum {
IOVCC = 0,
@@ -52,92 +52,55 @@ static inline struct stk_panel *to_stk_panel(struct drm_panel *panel)
static int stk_panel_init(struct stk_panel *stk)
{
struct mipi_dsi_device *dsi = stk->dsi;
- struct device *dev = &stk->dsi->dev;
- int ret;
+ struct mipi_dsi_multi_context dsi_ctx = {.dsi = dsi};

- ret = mipi_dsi_dcs_soft_reset(dsi);
- if (ret < 0) {
- dev_err(dev, "failed to mipi_dsi_dcs_soft_reset: %d\n", ret);
- return ret;
- }
- mdelay(5);
+ mipi_dsi_dcs_soft_reset_multi(&dsi_ctx);
+ mipi_dsi_msleep(&dsi_ctx, 5);
+ mipi_dsi_dcs_exit_sleep_mode_multi(&dsi_ctx);
+ mipi_dsi_msleep(&dsi_ctx, 120);

- ret = mipi_dsi_dcs_exit_sleep_mode(dsi);
- if (ret < 0) {
- dev_err(dev, "failed to set exit sleep mode: %d\n", ret);
- return ret;
- }
- msleep(120);
-
- mipi_dsi_generic_write_seq(dsi, DSI_REG_MCAP, 0x04);
+ mipi_dsi_generic_write_seq_multi(&dsi_ctx, DSI_REG_MCAP, 0x04);

/* Interface setting, video mode */
- mipi_dsi_generic_write_seq(dsi, DSI_REG_IS, 0x14, 0x08, 0x00, 0x22, 0x00);
- mipi_dsi_generic_write_seq(dsi, DSI_REG_IIS, 0x0C, 0x00);
- mipi_dsi_generic_write_seq(dsi, DSI_REG_CTRL, 0x3A, 0xD3);
+ mipi_dsi_generic_write_seq_multi(&dsi_ctx, DSI_REG_IS, 0x14, 0x08, 0x00, 0x22, 0x00);
+ mipi_dsi_generic_write_seq_multi(&dsi_ctx, DSI_REG_IIS, 0x0c, 0x00);
+ mipi_dsi_generic_write_seq_multi(&dsi_ctx, DSI_REG_CTRL, 0x3a, 0xd3);

- ret = mipi_dsi_dcs_set_display_brightness(dsi, 0x77);
- if (ret < 0) {
- dev_err(dev, "failed to write display brightness: %d\n", ret);
- return ret;
- }
+ mipi_dsi_dcs_set_display_brightness_multi(&dsi_ctx, 0x77);

- mipi_dsi_dcs_write_seq(dsi, MIPI_DCS_WRITE_CONTROL_DISPLAY,
- MIPI_DCS_WRITE_MEMORY_START);
+ mipi_dsi_dcs_write_seq_multi(&dsi_ctx, MIPI_DCS_WRITE_CONTROL_DISPLAY,
+ MIPI_DCS_WRITE_MEMORY_START);

- ret = mipi_dsi_dcs_set_pixel_format(dsi, 0x77);
- if (ret < 0) {
- dev_err(dev, "failed to set pixel format: %d\n", ret);
- return ret;
- }
+ mipi_dsi_dcs_set_pixel_format_multi(&dsi_ctx, 0x77);
+ mipi_dsi_dcs_set_column_address_multi(&dsi_ctx, 0, stk->mode->hdisplay - 1);
+ mipi_dsi_dcs_set_page_address_multi(&dsi_ctx, 0, stk->mode->vdisplay - 1);

- ret = mipi_dsi_dcs_set_column_address(dsi, 0, stk->mode->hdisplay - 1);
- if (ret < 0) {
- dev_err(dev, "failed to set column address: %d\n", ret);
- return ret;
- }
-
- ret = mipi_dsi_dcs_set_page_address(dsi, 0, stk->mode->vdisplay - 1);
- if (ret < 0) {
- dev_err(dev, "failed to set page address: %d\n", ret);
- return ret;
- }
-
- return 0;
+ return dsi_ctx.accum_err;
}

static int stk_panel_on(struct stk_panel *stk)
{
struct mipi_dsi_device *dsi = stk->dsi;
- struct device *dev = &stk->dsi->dev;
- int ret;
+ struct mipi_dsi_multi_context dsi_ctx = {.dsi = dsi};

- ret = mipi_dsi_dcs_set_display_on(dsi);
- if (ret < 0)
- dev_err(dev, "failed to set display on: %d\n", ret);
+ mipi_dsi_dcs_set_display_on_multi(&dsi_ctx);

- mdelay(20);
+ mipi_dsi_msleep(&dsi_ctx, 20);

- return ret;
+ return dsi_ctx.accum_err;
}

static void stk_panel_off(struct stk_panel *stk)
{
struct mipi_dsi_device *dsi = stk->dsi;
- struct device *dev = &stk->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);
-
- ret = mipi_dsi_dcs_enter_sleep_mode(dsi);
- if (ret < 0)
- dev_err(dev, "failed to enter sleep mode: %d\n", ret);
+ mipi_dsi_dcs_set_display_off_multi(&dsi_ctx);
+ mipi_dsi_dcs_enter_sleep_mode_multi(&dsi_ctx);

- msleep(100);
+ mipi_dsi_msleep(&dsi_ctx, 100);
}

static int stk_panel_unprepare(struct drm_panel *panel)
@@ -155,7 +118,6 @@ static int stk_panel_unprepare(struct drm_panel *panel)
static int stk_panel_prepare(struct drm_panel *panel)
{
struct stk_panel *stk = to_stk_panel(panel);
- struct device *dev = &stk->dsi->dev;
int ret;

gpiod_set_value(stk->reset_gpio, 0);
@@ -175,16 +137,12 @@ static int stk_panel_prepare(struct drm_panel *panel)
gpiod_set_value(stk->reset_gpio, 1);
mdelay(10);
ret = stk_panel_init(stk);
- if (ret < 0) {
- dev_err(dev, "failed to init panel: %d\n", ret);
+ if (ret < 0)
goto poweroff;
- }

ret = stk_panel_on(stk);
- if (ret < 0) {
- dev_err(dev, "failed to set panel on: %d\n", ret);
+ if (ret < 0)
goto poweroff;
- }

return 0;

@@ -235,13 +193,13 @@ static int stk_panel_get_modes(struct drm_panel *panel,
static int dsi_dcs_bl_get_brightness(struct backlight_device *bl)
{
struct mipi_dsi_device *dsi = bl_get_data(bl);
- int ret;
+ struct mipi_dsi_multi_context dsi_ctx = { .dsi = dsi };
u16 brightness;

dsi->mode_flags &= ~MIPI_DSI_MODE_LPM;
- ret = mipi_dsi_dcs_get_display_brightness(dsi, &brightness);
- if (ret < 0)
- return ret;
+ mipi_dsi_dcs_get_display_brightness_multi(&dsi_ctx, &brightness);
+ if (dsi_ctx.accum_err)
+ return dsi_ctx.accum_err;

dsi->mode_flags |= MIPI_DSI_MODE_LPM;
return brightness & 0xff;
@@ -250,18 +208,15 @@ static int dsi_dcs_bl_get_brightness(struct backlight_device *bl)
static int dsi_dcs_bl_update_status(struct backlight_device *bl)
{
struct mipi_dsi_device *dsi = bl_get_data(bl);
- 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_brightness(dsi, bl->props.brightness);
- if (ret < 0) {
- dev_err(dev, "failed to set DSI control: %d\n", ret);
- return ret;
- }
+ mipi_dsi_dcs_set_display_brightness_multi(&dsi_ctx, bl->props.brightness);
+ if (dsi_ctx.accum_err)
+ return dsi_ctx.accum_err;

dsi->mode_flags |= MIPI_DSI_MODE_LPM;
- return 0;
+ return dsi_ctx.accum_err;
}

static const struct backlight_ops dsi_bl_ops = {
--
2.45.2