Hi,

On 6/26/24 5:55 PM, Guido Günther wrote:
> Hi,
> On Wed, Jun 26, 2024 at 10:22:41AM +0530, 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 
>> sitronix-st7703 based panels.
>>
>> Signed-off-by: Tejas Vipin <tejasvipi...@gmail.com>
>> ---
>>  drivers/gpu/drm/panel/panel-sitronix-st7703.c | 836 +++++++++---------
>>  1 file changed, 400 insertions(+), 436 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/panel/panel-sitronix-st7703.c 
>> b/drivers/gpu/drm/panel/panel-sitronix-st7703.c
>> index 77b30e045a57..67e8e45498cb 100644
>> --- a/drivers/gpu/drm/panel/panel-sitronix-st7703.c
>> +++ b/drivers/gpu/drm/panel/panel-sitronix-st7703.c
>> @@ -69,7 +69,7 @@ struct st7703_panel_desc {
>>      unsigned int lanes;
>>      unsigned long mode_flags;
>>      enum mipi_dsi_pixel_format format;
>> -    int (*init_sequence)(struct st7703 *ctx);
>> +    void (*init_sequence)(struct mipi_dsi_multi_context *dsi_ctx);
>>  };
>>  
>>  static inline struct st7703 *panel_to_st7703(struct drm_panel *panel)
>> @@ -77,62 +77,58 @@ static inline struct st7703 *panel_to_st7703(struct 
>> drm_panel *panel)
>>      return container_of(panel, struct st7703, panel);
>>  }
>>  
>> -static int jh057n_init_sequence(struct st7703 *ctx)
>> +static void jh057n_init_sequence(struct mipi_dsi_multi_context *dsi_ctx)
>>  {
>> -    struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
>> -
>>      /*
>>       * Init sequence was supplied by the panel vendor. Most of the commands
>>       * resemble the ST7703 but the number of parameters often don't match
>>       * so it's likely a clone.
>>       */
>> -    mipi_dsi_generic_write_seq(dsi, ST7703_CMD_SETEXTC,
>> -                               0xF1, 0x12, 0x83);
>> -    mipi_dsi_generic_write_seq(dsi, ST7703_CMD_SETRGBIF,
>> -                               0x10, 0x10, 0x05, 0x05, 0x03, 0xFF, 0x00, 
>> 0x00,
>> -                               0x00, 0x00);
>> -    mipi_dsi_generic_write_seq(dsi, ST7703_CMD_SETSCR,
>> -                               0x73, 0x73, 0x50, 0x50, 0x00, 0x00, 0x08, 
>> 0x70,
>> -                               0x00);
>> -    mipi_dsi_generic_write_seq(dsi, ST7703_CMD_SETVDC, 0x4E);
>> -    mipi_dsi_generic_write_seq(dsi, ST7703_CMD_SETPANEL, 0x0B);
>> -    mipi_dsi_generic_write_seq(dsi, ST7703_CMD_SETCYC, 0x80);
>> -    mipi_dsi_generic_write_seq(dsi, ST7703_CMD_SETDISP, 0xF0, 0x12, 0x30);
>> -    mipi_dsi_generic_write_seq(dsi, ST7703_CMD_SETEQ,
>> -                               0x07, 0x07, 0x0B, 0x0B, 0x03, 0x0B, 0x00, 
>> 0x00,
>> -                               0x00, 0x00, 0xFF, 0x00, 0xC0, 0x10);
>> -    mipi_dsi_generic_write_seq(dsi, ST7703_CMD_SETBGP, 0x08, 0x08);
>> -    msleep(20);
>> -
>> -    mipi_dsi_generic_write_seq(dsi, ST7703_CMD_SETVCOM, 0x3F, 0x3F);
>> -    mipi_dsi_generic_write_seq(dsi, ST7703_CMD_UNKNOWN_BF, 0x02, 0x11, 
>> 0x00);
>> -    mipi_dsi_generic_write_seq(dsi, ST7703_CMD_SETGIP1,
>> -                               0x82, 0x10, 0x06, 0x05, 0x9E, 0x0A, 0xA5, 
>> 0x12,
>> -                               0x31, 0x23, 0x37, 0x83, 0x04, 0xBC, 0x27, 
>> 0x38,
>> -                               0x0C, 0x00, 0x03, 0x00, 0x00, 0x00, 0x0C, 
>> 0x00,
>> -                               0x03, 0x00, 0x00, 0x00, 0x75, 0x75, 0x31, 
>> 0x88,
>> -                               0x88, 0x88, 0x88, 0x88, 0x88, 0x13, 0x88, 
>> 0x64,
>> -                               0x64, 0x20, 0x88, 0x88, 0x88, 0x88, 0x88, 
>> 0x88,
>> -                               0x02, 0x88, 0x00, 0x00, 0x00, 0x00, 0x00, 
>> 0x00,
>> -                               0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00);
>> -    mipi_dsi_generic_write_seq(dsi, ST7703_CMD_SETGIP2,
>> -                               0x02, 0x21, 0x00, 0x00, 0x00, 0x00, 0x00, 
>> 0x00,
>> -                               0x00, 0x00, 0x00, 0x00, 0x02, 0x46, 0x02, 
>> 0x88,
>> -                               0x88, 0x88, 0x88, 0x88, 0x88, 0x64, 0x88, 
>> 0x13,
>> -                               0x57, 0x13, 0x88, 0x88, 0x88, 0x88, 0x88, 
>> 0x88,
>> -                               0x75, 0x88, 0x23, 0x14, 0x00, 0x00, 0x02, 
>> 0x00,
>> -                               0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
>> 0x00,
>> -                               0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 
>> 0x0A,
>> -                               0xA5, 0x00, 0x00, 0x00, 0x00);
>> -    mipi_dsi_generic_write_seq(dsi, ST7703_CMD_SETGAMMA,
>> -                               0x00, 0x09, 0x0E, 0x29, 0x2D, 0x3C, 0x41, 
>> 0x37,
>> -                               0x07, 0x0B, 0x0D, 0x10, 0x11, 0x0F, 0x10, 
>> 0x11,
>> -                               0x18, 0x00, 0x09, 0x0E, 0x29, 0x2D, 0x3C, 
>> 0x41,
>> -                               0x37, 0x07, 0x0B, 0x0D, 0x10, 0x11, 0x0F, 
>> 0x10,
>> -                               0x11, 0x18);
>> -    msleep(20);
>> -
>> -    return 0;
>> +    mipi_dsi_generic_write_seq_multi(dsi_ctx, ST7703_CMD_SETEXTC,
>> +                                     0xF1, 0x12, 0x83);
>> +    mipi_dsi_generic_write_seq_multi(dsi_ctx, ST7703_CMD_SETRGBIF,
>> +                                     0x10, 0x10, 0x05, 0x05, 0x03, 0xFF, 
>> 0x00, 0x00,
>> +                                     0x00, 0x00);
>> +    mipi_dsi_generic_write_seq_multi(dsi_ctx, ST7703_CMD_SETSCR,
>> +                                     0x73, 0x73, 0x50, 0x50, 0x00, 0x00, 
>> 0x08, 0x70,
>> +                                     0x00);
>> +    mipi_dsi_generic_write_seq_multi(dsi_ctx, ST7703_CMD_SETVDC, 0x4E);
>> +    mipi_dsi_generic_write_seq_multi(dsi_ctx, ST7703_CMD_SETPANEL, 0x0B);
>> +    mipi_dsi_generic_write_seq_multi(dsi_ctx, ST7703_CMD_SETCYC, 0x80);
>> +    mipi_dsi_generic_write_seq_multi(dsi_ctx, ST7703_CMD_SETDISP, 0xF0, 
>> 0x12, 0x30);
>> +    mipi_dsi_generic_write_seq_multi(dsi_ctx, ST7703_CMD_SETEQ,
>> +                                     0x07, 0x07, 0x0B, 0x0B, 0x03, 0x0B, 
>> 0x00, 0x00,
>> +                                     0x00, 0x00, 0xFF, 0x00, 0xC0, 0x10);
>> +    mipi_dsi_generic_write_seq_multi(dsi_ctx, ST7703_CMD_SETBGP, 0x08, 
>> 0x08);
>> +    mipi_dsi_msleep(dsi_ctx, 20);
>> +
>> +    mipi_dsi_generic_write_seq_multi(dsi_ctx, ST7703_CMD_SETVCOM, 0x3F, 
>> 0x3F);
>> +    mipi_dsi_generic_write_seq_multi(dsi_ctx, ST7703_CMD_UNKNOWN_BF, 0x02, 
>> 0x11, 0x00);
>> +    mipi_dsi_generic_write_seq_multi(dsi_ctx, ST7703_CMD_SETGIP1,
>> +                                     0x82, 0x10, 0x06, 0x05, 0x9E, 0x0A, 
>> 0xA5, 0x12,
>> +                                     0x31, 0x23, 0x37, 0x83, 0x04, 0xBC, 
>> 0x27, 0x38,
>> +                                     0x0C, 0x00, 0x03, 0x00, 0x00, 0x00, 
>> 0x0C, 0x00,
>> +                                     0x03, 0x00, 0x00, 0x00, 0x75, 0x75, 
>> 0x31, 0x88,
>> +                                     0x88, 0x88, 0x88, 0x88, 0x88, 0x13, 
>> 0x88, 0x64,
>> +                                     0x64, 0x20, 0x88, 0x88, 0x88, 0x88, 
>> 0x88, 0x88,
>> +                                     0x02, 0x88, 0x00, 0x00, 0x00, 0x00, 
>> 0x00, 0x00,
>> +                                     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
>> 0x00);
>> +    mipi_dsi_generic_write_seq_multi(dsi_ctx, ST7703_CMD_SETGIP2,
>> +                                     0x02, 0x21, 0x00, 0x00, 0x00, 0x00, 
>> 0x00, 0x00,
>> +                                     0x00, 0x00, 0x00, 0x00, 0x02, 0x46, 
>> 0x02, 0x88,
>> +                                     0x88, 0x88, 0x88, 0x88, 0x88, 0x64, 
>> 0x88, 0x13,
>> +                                     0x57, 0x13, 0x88, 0x88, 0x88, 0x88, 
>> 0x88, 0x88,
>> +                                     0x75, 0x88, 0x23, 0x14, 0x00, 0x00, 
>> 0x02, 0x00,
>> +                                     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
>> 0x00, 0x00,
>> +                                     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
>> 0x30, 0x0A,
>> +                                     0xA5, 0x00, 0x00, 0x00, 0x00);
>> +    mipi_dsi_generic_write_seq_multi(dsi_ctx, ST7703_CMD_SETGAMMA,
>> +                                     0x00, 0x09, 0x0E, 0x29, 0x2D, 0x3C, 
>> 0x41, 0x37,
>> +                                     0x07, 0x0B, 0x0D, 0x10, 0x11, 0x0F, 
>> 0x10, 0x11,
>> +                                     0x18, 0x00, 0x09, 0x0E, 0x29, 0x2D, 
>> 0x3C, 0x41,
>> +                                     0x37, 0x07, 0x0B, 0x0D, 0x10, 0x11, 
>> 0x0F, 0x10,
>> +                                     0x11, 0x18);
>> +    mipi_dsi_msleep(dsi_ctx, 20);
>>  }
>>  
>>  static const struct drm_display_mode jh057n00900_mode = {
>> @@ -159,163 +155,159 @@ static const struct st7703_panel_desc 
>> jh057n00900_panel_desc = {
>>      .init_sequence = jh057n_init_sequence,
>>  };
>>  
>> -static int xbd599_init_sequence(struct st7703 *ctx)
>> +static void xbd599_init_sequence(struct mipi_dsi_multi_context *dsi_ctx)
>>  {
>> -    struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
>> -
>>      /*
>>       * Init sequence was supplied by the panel vendor.
>>       */
>>  
>>      /* Magic sequence to unlock user commands below. */
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETEXTC, 0xF1, 0x12, 0x83);
>> -
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETMIPI,
>> -                           0x33, /* VC_main = 0, Lane_Number = 3 (4 lanes) 
>> */
>> -                           0x81, /* DSI_LDO_SEL = 1.7V, RTERM = 90 Ohm */
>> -                           0x05, /* IHSRX = x6 (Low High Speed driving 
>> ability) */
>> -                           0xF9, /* TX_CLK_SEL = fDSICLK/16 */
>> -                           0x0E, /* HFP_OSC (min. HFP number in DSI mode) */
>> -                           0x0E, /* HBP_OSC (min. HBP number in DSI mode) */
>> -                           /* The rest is undocumented in ST7703 datasheet 
>> */
>> -                           0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
>> -                           0x44, 0x25, 0x00, 0x91, 0x0a, 0x00, 0x00, 0x02,
>> -                           0x4F, 0x11, 0x00, 0x00, 0x37);
>> -
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETPOWER_EXT,
>> -                           0x25, /* PCCS = 2, ECP_DC_DIV = 1/4 HSYNC */
>> -                           0x22, /* DT = 15ms XDK_ECP = x2 */
>> -                           0x20, /* PFM_DC_DIV = /1 */
>> -                           0x03  /* ECP_SYNC_EN = 1, VGX_SYNC_EN = 1 */);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETEXTC, 0xF1, 0x12, 
>> 0x83);
>> +
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETMIPI,
>> +                                 0x33, /* VC_main = 0, Lane_Number = 3 (4 
>> lanes) */
>> +                                 0x81, /* DSI_LDO_SEL = 1.7V, RTERM = 90 
>> Ohm */
>> +                                 0x05, /* IHSRX = x6 (Low High Speed 
>> driving ability) */
>> +                                 0xF9, /* TX_CLK_SEL = fDSICLK/16 */
>> +                                 0x0E, /* HFP_OSC (min. HFP number in DSI 
>> mode) */
>> +                                 0x0E, /* HBP_OSC (min. HBP number in DSI 
>> mode) */
>> +                                 /* The rest is undocumented in ST7703 
>> datasheet */
>> +                                 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
>> 0x00,
>> +                                 0x44, 0x25, 0x00, 0x91, 0x0a, 0x00, 0x00, 
>> 0x02,
>> +                                 0x4F, 0x11, 0x00, 0x00, 0x37);
>> +
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETPOWER_EXT,
>> +                                 0x25, /* PCCS = 2, ECP_DC_DIV = 1/4 HSYNC 
>> */
>> +                                 0x22, /* DT = 15ms XDK_ECP = x2 */
>> +                                 0x20, /* PFM_DC_DIV = /1 */
>> +                                 0x03  /* ECP_SYNC_EN = 1, VGX_SYNC_EN = 1 
>> */);
>>  
>>      /* RGB I/F porch timing */
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETRGBIF,
>> -                           0x10, /* VBP_RGB_GEN */
>> -                           0x10, /* VFP_RGB_GEN */
>> -                           0x05, /* DE_BP_RGB_GEN */
>> -                           0x05, /* DE_FP_RGB_GEN */
>> -                           /* The rest is undocumented in ST7703 datasheet 
>> */
>> -                           0x03, 0xFF,
>> -                           0x00, 0x00,
>> -                           0x00, 0x00);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETRGBIF,
>> +                                 0x10, /* VBP_RGB_GEN */
>> +                                 0x10, /* VFP_RGB_GEN */
>> +                                 0x05, /* DE_BP_RGB_GEN */
>> +                                 0x05, /* DE_FP_RGB_GEN */
>> +                                 /* The rest is undocumented in ST7703 
>> datasheet */
>> +                                 0x03, 0xFF,
>> +                                 0x00, 0x00,
>> +                                 0x00, 0x00);
>>  
>>      /* Source driving settings. */
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETSCR,
>> -                           0x73, /* N_POPON */
>> -                           0x73, /* N_NOPON */
>> -                           0x50, /* I_POPON */
>> -                           0x50, /* I_NOPON */
>> -                           0x00, /* SCR[31,24] */
>> -                           0xC0, /* SCR[23,16] */
>> -                           0x08, /* SCR[15,8] */
>> -                           0x70, /* SCR[7,0] */
>> -                           0x00  /* Undocumented */);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETSCR,
>> +                                 0x73, /* N_POPON */
>> +                                 0x73, /* N_NOPON */
>> +                                 0x50, /* I_POPON */
>> +                                 0x50, /* I_NOPON */
>> +                                 0x00, /* SCR[31,24] */
>> +                                 0xC0, /* SCR[23,16] */
>> +                                 0x08, /* SCR[15,8] */
>> +                                 0x70, /* SCR[7,0] */
>> +                                 0x00  /* Undocumented */);
>>  
>>      /* NVDDD_SEL = -1.8V, VDDD_SEL = out of range (possibly 1.9V?) */
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETVDC, 0x4E);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETVDC, 0x4E);
>>  
>>      /*
>>       * SS_PANEL = 1 (reverse scan), GS_PANEL = 0 (normal scan)
>>       * REV_PANEL = 1 (normally black panel), BGR_PANEL = 1 (BGR)
>>       */
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETPANEL, 0x0B);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETPANEL, 0x0B);
>>  
>>      /* Zig-Zag Type C column inversion. */
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETCYC, 0x80);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETCYC, 0x80);
>>  
>>      /* Set display resolution. */
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETDISP,
>> -                           0xF0, /* NL = 240 */
>> -                           0x12, /* RES_V_LSB = 0, BLK_CON = VSSD,
>> -                                  * RESO_SEL = 720RGB
>> -                                  */
>> -                           0xF0  /* WHITE_GND_EN = 1 (GND),
>> -                                  * WHITE_FRAME_SEL = 7 frames,
>> -                                  * ISC = 0 frames
>> -                                  */);
>> -
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETEQ,
>> -                           0x00, /* PNOEQ */
>> -                           0x00, /* NNOEQ */
>> -                           0x0B, /* PEQGND */
>> -                           0x0B, /* NEQGND */
>> -                           0x10, /* PEQVCI */
>> -                           0x10, /* NEQVCI */
>> -                           0x00, /* PEQVCI1 */
>> -                           0x00, /* NEQVCI1 */
>> -                           0x00, /* reserved */
>> -                           0x00, /* reserved */
>> -                           0xFF, /* reserved */
>> -                           0x00, /* reserved */
>> -                           0xC0, /* ESD_DET_DATA_WHITE = 1, ESD_WHITE_EN = 
>> 1 */
>> -                           0x10  /* SLPIN_OPTION = 1 (no need vsync after 
>> sleep-in)
>> -                                  * VEDIO_NO_CHECK_EN = 0
>> -                                  * ESD_WHITE_GND_EN = 0
>> -                                  * ESD_DET_TIME_SEL = 0 frames
>> -                                  */);
>> -
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETECO, 0x01, 0x00, 0xFF, 0xFF, 
>> 0x00);
>> -
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETPOWER,
>> -                           0x74, /* VBTHS, VBTLS: VGH = 17V, VBL = -11V */
>> -                           0x00, /* FBOFF_VGH = 0, FBOFF_VGL = 0 */
>> -                           0x32, /* VRP  */
>> -                           0x32, /* VRN */
>> -                           0x77, /* reserved */
>> -                           0xF1, /* APS = 1 (small),
>> -                                  * VGL_DET_EN = 1, VGH_DET_EN = 1,
>> -                                  * VGL_TURBO = 1, VGH_TURBO = 1
>> -                                  */
>> -                           0xFF, /* VGH1_L_DIV, VGL1_L_DIV (1.5MHz) */
>> -                           0xFF, /* VGH1_R_DIV, VGL1_R_DIV (1.5MHz) */
>> -                           0xCC, /* VGH2_L_DIV, VGL2_L_DIV (2.6MHz) */
>> -                           0xCC, /* VGH2_R_DIV, VGL2_R_DIV (2.6MHz) */
>> -                           0x77, /* VGH3_L_DIV, VGL3_L_DIV (4.5MHz) */
>> -                           0x77  /* VGH3_R_DIV, VGL3_R_DIV (4.5MHz) */);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETDISP,
>> +                                 0xF0, /* NL = 240 */
>> +                                 0x12, /* RES_V_LSB = 0, BLK_CON = VSSD,
>> +                                        * RESO_SEL = 720RGB
>> +                                        */
>> +                                 0xF0  /* WHITE_GND_EN = 1 (GND),
>> +                                        * WHITE_FRAME_SEL = 7 frames,
>> +                                        * ISC = 0 frames
>> +                                        */);
>> +
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETEQ,
>> +                                 0x00, /* PNOEQ */
>> +                                 0x00, /* NNOEQ */
>> +                                 0x0B, /* PEQGND */
>> +                                 0x0B, /* NEQGND */
>> +                                 0x10, /* PEQVCI */
>> +                                 0x10, /* NEQVCI */
>> +                                 0x00, /* PEQVCI1 */
>> +                                 0x00, /* NEQVCI1 */
>> +                                 0x00, /* reserved */
>> +                                 0x00, /* reserved */
>> +                                 0xFF, /* reserved */
>> +                                 0x00, /* reserved */
>> +                                 0xC0, /* ESD_DET_DATA_WHITE = 1, 
>> ESD_WHITE_EN = 1 */
>> +                                 0x10  /* SLPIN_OPTION = 1 (no need vsync 
>> after sleep-in)
>> +                                        * VEDIO_NO_CHECK_EN = 0
>> +                                        * ESD_WHITE_GND_EN = 0
>> +                                        * ESD_DET_TIME_SEL = 0 frames
>> +                                        */);
>> +
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETECO, 0x01, 0x00, 
>> 0xFF, 0xFF, 0x00);
>> +
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETPOWER,
>> +                                 0x74, /* VBTHS, VBTLS: VGH = 17V, VBL = 
>> -11V */
>> +                                 0x00, /* FBOFF_VGH = 0, FBOFF_VGL = 0 */
>> +                                 0x32, /* VRP  */
>> +                                 0x32, /* VRN */
>> +                                 0x77, /* reserved */
>> +                                 0xF1, /* APS = 1 (small),
>> +                                        * VGL_DET_EN = 1, VGH_DET_EN = 1,
>> +                                        * VGL_TURBO = 1, VGH_TURBO = 1
>> +                                        */
>> +                                 0xFF, /* VGH1_L_DIV, VGL1_L_DIV (1.5MHz) */
>> +                                 0xFF, /* VGH1_R_DIV, VGL1_R_DIV (1.5MHz) */
>> +                                 0xCC, /* VGH2_L_DIV, VGL2_L_DIV (2.6MHz) */
>> +                                 0xCC, /* VGH2_R_DIV, VGL2_R_DIV (2.6MHz) */
>> +                                 0x77, /* VGH3_L_DIV, VGL3_L_DIV (4.5MHz) */
>> +                                 0x77  /* VGH3_R_DIV, VGL3_R_DIV (4.5MHz) 
>> */);
>>  
>>      /* Reference voltage. */
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETBGP,
>> -                           0x07, /* VREF_SEL = 4.2V */
>> -                           0x07  /* NVREF_SEL = 4.2V */);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETBGP,
>> +                                 0x07, /* VREF_SEL = 4.2V */
>> +                                 0x07  /* NVREF_SEL = 4.2V */);
>>  
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETVCOM,
>> -                           0x2C, /* VCOMDC_F = -0.67V */
>> -                           0x2C  /* VCOMDC_B = -0.67V */);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETVCOM,
>> +                                 0x2C, /* VCOMDC_F = -0.67V */
>> +                                 0x2C  /* VCOMDC_B = -0.67V */);
>>  
>>      /* Undocumented command. */
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_UNKNOWN_BF, 0x02, 0x11, 0x00);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_UNKNOWN_BF, 0x02, 
>> 0x11, 0x00);
>>  
>>      /* This command is to set forward GIP timing. */
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETGIP1,
>> -                           0x82, 0x10, 0x06, 0x05, 0xA2, 0x0A, 0xA5, 0x12,
>> -                           0x31, 0x23, 0x37, 0x83, 0x04, 0xBC, 0x27, 0x38,
>> -                           0x0C, 0x00, 0x03, 0x00, 0x00, 0x00, 0x0C, 0x00,
>> -                           0x03, 0x00, 0x00, 0x00, 0x75, 0x75, 0x31, 0x88,
>> -                           0x88, 0x88, 0x88, 0x88, 0x88, 0x13, 0x88, 0x64,
>> -                           0x64, 0x20, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88,
>> -                           0x02, 0x88, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
>> -                           0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETGIP1,
>> +                                 0x82, 0x10, 0x06, 0x05, 0xA2, 0x0A, 0xA5, 
>> 0x12,
>> +                                 0x31, 0x23, 0x37, 0x83, 0x04, 0xBC, 0x27, 
>> 0x38,
>> +                                 0x0C, 0x00, 0x03, 0x00, 0x00, 0x00, 0x0C, 
>> 0x00,
>> +                                 0x03, 0x00, 0x00, 0x00, 0x75, 0x75, 0x31, 
>> 0x88,
>> +                                 0x88, 0x88, 0x88, 0x88, 0x88, 0x13, 0x88, 
>> 0x64,
>> +                                 0x64, 0x20, 0x88, 0x88, 0x88, 0x88, 0x88, 
>> 0x88,
>> +                                 0x02, 0x88, 0x00, 0x00, 0x00, 0x00, 0x00, 
>> 0x00,
>> +                                 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00);
>>  
>>      /* This command is to set backward GIP timing. */
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETGIP2,
>> -                           0x02, 0x21, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
>> -                           0x00, 0x00, 0x00, 0x00, 0x02, 0x46, 0x02, 0x88,
>> -                           0x88, 0x88, 0x88, 0x88, 0x88, 0x64, 0x88, 0x13,
>> -                           0x57, 0x13, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88,
>> -                           0x75, 0x88, 0x23, 0x14, 0x00, 0x00, 0x02, 0x00,
>> -                           0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
>> -                           0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x0A,
>> -                           0xA5, 0x00, 0x00, 0x00, 0x00);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETGIP2,
>> +                                 0x02, 0x21, 0x00, 0x00, 0x00, 0x00, 0x00, 
>> 0x00,
>> +                                 0x00, 0x00, 0x00, 0x00, 0x02, 0x46, 0x02, 
>> 0x88,
>> +                                 0x88, 0x88, 0x88, 0x88, 0x88, 0x64, 0x88, 
>> 0x13,
>> +                                 0x57, 0x13, 0x88, 0x88, 0x88, 0x88, 0x88, 
>> 0x88,
>> +                                 0x75, 0x88, 0x23, 0x14, 0x00, 0x00, 0x02, 
>> 0x00,
>> +                                 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
>> 0x00,
>> +                                 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 
>> 0x0A,
>> +                                 0xA5, 0x00, 0x00, 0x00, 0x00);
>>  
>>      /* Adjust the gamma characteristics of the panel. */
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETGAMMA,
>> -                           0x00, 0x09, 0x0D, 0x23, 0x27, 0x3C, 0x41, 0x35,
>> -                           0x07, 0x0D, 0x0E, 0x12, 0x13, 0x10, 0x12, 0x12,
>> -                           0x18, 0x00, 0x09, 0x0D, 0x23, 0x27, 0x3C, 0x41,
>> -                           0x35, 0x07, 0x0D, 0x0E, 0x12, 0x13, 0x10, 0x12,
>> -                           0x12, 0x18);
>> -
>> -    return 0;
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETGAMMA,
>> +                                 0x00, 0x09, 0x0D, 0x23, 0x27, 0x3C, 0x41, 
>> 0x35,
>> +                                 0x07, 0x0D, 0x0E, 0x12, 0x13, 0x10, 0x12, 
>> 0x12,
>> +                                 0x18, 0x00, 0x09, 0x0D, 0x23, 0x27, 0x3C, 
>> 0x41,
>> +                                 0x35, 0x07, 0x0D, 0x0E, 0x12, 0x13, 0x10, 
>> 0x12,
>> +                                 0x12, 0x18);
>>  }
>>  
>>  static const struct drm_display_mode xbd599_mode = {
>> @@ -341,72 +333,68 @@ static const struct st7703_panel_desc xbd599_desc = {
>>      .init_sequence = xbd599_init_sequence,
>>  };
>>  
>> -static int rg353v2_init_sequence(struct st7703 *ctx)
>> +static void rg353v2_init_sequence(struct mipi_dsi_multi_context *dsi_ctx)
>>  {
>> -    struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
>> -
>>      /*
>>       * Init sequence was supplied by the panel vendor.
>>       */
>>  
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETEXTC, 0xf1, 0x12, 0x83);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETAPID, 0x00, 0x00, 0x00,
>> -                           0xda, 0x80);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETDISP, 0x00, 0x13, 0x70);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETRGBIF, 0x10, 0x10, 0x28,
>> -                           0x28, 0x03, 0xff, 0x00, 0x00, 0x00, 0x00);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETCYC, 0x80);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETBGP, 0x0a, 0x0a);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETVCOM, 0x92, 0x92);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETPOWER_EXT, 0x25, 0x22,
>> -                           0xf0, 0x63);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETMIPI, 0x33, 0x81, 0x05,
>> -                           0xf9, 0x0e, 0x0e, 0x20, 0x00, 0x00, 0x00, 0x00,
>> -                           0x00, 0x00, 0x00, 0x44, 0x25, 0x00, 0x90, 0x0a,
>> -                           0x00, 0x00, 0x01, 0x4f, 0x01, 0x00, 0x00, 0x37);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETVDC, 0x47);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_UNKNOWN_BF, 0x02, 0x11, 0x00);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETSCR, 0x73, 0x73, 0x50, 0x50,
>> -                           0x00, 0x00, 0x12, 0x50, 0x00);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETPOWER, 0x53, 0xc0, 0x32,
>> -                           0x32, 0x77, 0xe1, 0xdd, 0xdd, 0x77, 0x77, 0x33,
>> -                           0x33);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETECO, 0x82, 0x00, 0xbf, 0xff,
>> -                           0x00, 0xff);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETIO, 0xb8, 0x00, 0x0a, 0x00,
>> -                           0x00, 0x00);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETCABC, 0x10, 0x40, 0x1e,
>> -                           0x02);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETPANEL, 0x0b);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETGAMMA, 0x00, 0x07, 0x0d,
>> -                           0x37, 0x35, 0x3f, 0x41, 0x44, 0x06, 0x0c, 0x0d,
>> -                           0x0f, 0x11, 0x10, 0x12, 0x14, 0x1a, 0x00, 0x07,
>> -                           0x0d, 0x37, 0x35, 0x3f, 0x41, 0x44, 0x06, 0x0c,
>> -                           0x0d, 0x0f, 0x11, 0x10, 0x12, 0x14, 0x1a);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETEQ, 0x07, 0x07, 0x0b, 0x0b,
>> -                           0x0b, 0x0b, 0x00, 0x00, 0x00, 0x00, 0xff, 0x00,
>> -                           0xc0, 0x10);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETGIP1, 0xc8, 0x10, 0x02, 0x00,
>> -                           0x00, 0xb0, 0xb1, 0x11, 0x31, 0x23, 0x28, 0x80,
>> -                           0xb0, 0xb1, 0x27, 0x08, 0x00, 0x04, 0x02, 0x00,
>> -                           0x00, 0x00, 0x00, 0x04, 0x02, 0x00, 0x00, 0x00,
>> -                           0x88, 0x88, 0xba, 0x60, 0x24, 0x08, 0x88, 0x88,
>> -                           0x88, 0x88, 0x88, 0x88, 0x88, 0xba, 0x71, 0x35,
>> -                           0x18, 0x88, 0x88, 0x88, 0x88, 0x88, 0x00, 0x00,
>> -                           0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
>> -                           0x00, 0x00, 0x00);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETGIP2, 0x97, 0x0a, 0x82, 0x02,
>> -                           0x03, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
>> -                           0x81, 0x88, 0xba, 0x17, 0x53, 0x88, 0x88, 0x88,
>> -                           0x88, 0x88, 0x88, 0x80, 0x88, 0xba, 0x06, 0x42,
>> -                           0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x23, 0x00,
>> -                           0x00, 0x02, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00,
>> -                           0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
>> -                           0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
>> -                           0x00);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_UNKNOWN_EF, 0xff, 0xff, 0x01);
>> -
>> -    return 0;
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETEXTC, 0xf1, 0x12, 
>> 0x83);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETAPID, 0x00, 0x00, 
>> 0x00,
>> +                                 0xda, 0x80);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETDISP, 0x00, 0x13, 
>> 0x70);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETRGBIF, 0x10, 0x10, 
>> 0x28,
>> +                                 0x28, 0x03, 0xff, 0x00, 0x00, 0x00, 0x00);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETCYC, 0x80);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETBGP, 0x0a, 0x0a);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETVCOM, 0x92, 0x92);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETPOWER_EXT, 0x25, 
>> 0x22,
>> +                                 0xf0, 0x63);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETMIPI, 0x33, 0x81, 
>> 0x05,
>> +                                 0xf9, 0x0e, 0x0e, 0x20, 0x00, 0x00, 0x00, 
>> 0x00,
>> +                                 0x00, 0x00, 0x00, 0x44, 0x25, 0x00, 0x90, 
>> 0x0a,
>> +                                 0x00, 0x00, 0x01, 0x4f, 0x01, 0x00, 0x00, 
>> 0x37);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETVDC, 0x47);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_UNKNOWN_BF, 0x02, 
>> 0x11, 0x00);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETSCR, 0x73, 0x73, 
>> 0x50, 0x50,
>> +                                 0x00, 0x00, 0x12, 0x50, 0x00);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETPOWER, 0x53, 0xc0, 
>> 0x32,
>> +                                 0x32, 0x77, 0xe1, 0xdd, 0xdd, 0x77, 0x77, 
>> 0x33,
>> +                                 0x33);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETECO, 0x82, 0x00, 
>> 0xbf, 0xff,
>> +                                 0x00, 0xff);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETIO, 0xb8, 0x00, 
>> 0x0a, 0x00,
>> +                                 0x00, 0x00);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETCABC, 0x10, 0x40, 
>> 0x1e,
>> +                                 0x02);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETPANEL, 0x0b);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETGAMMA, 0x00, 0x07, 
>> 0x0d,
>> +                                 0x37, 0x35, 0x3f, 0x41, 0x44, 0x06, 0x0c, 
>> 0x0d,
>> +                                 0x0f, 0x11, 0x10, 0x12, 0x14, 0x1a, 0x00, 
>> 0x07,
>> +                                 0x0d, 0x37, 0x35, 0x3f, 0x41, 0x44, 0x06, 
>> 0x0c,
>> +                                 0x0d, 0x0f, 0x11, 0x10, 0x12, 0x14, 0x1a);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETEQ, 0x07, 0x07, 
>> 0x0b, 0x0b,
>> +                                 0x0b, 0x0b, 0x00, 0x00, 0x00, 0x00, 0xff, 
>> 0x00,
>> +                                 0xc0, 0x10);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETGIP1, 0xc8, 0x10, 
>> 0x02, 0x00,
>> +                                 0x00, 0xb0, 0xb1, 0x11, 0x31, 0x23, 0x28, 
>> 0x80,
>> +                                 0xb0, 0xb1, 0x27, 0x08, 0x00, 0x04, 0x02, 
>> 0x00,
>> +                                 0x00, 0x00, 0x00, 0x04, 0x02, 0x00, 0x00, 
>> 0x00,
>> +                                 0x88, 0x88, 0xba, 0x60, 0x24, 0x08, 0x88, 
>> 0x88,
>> +                                 0x88, 0x88, 0x88, 0x88, 0x88, 0xba, 0x71, 
>> 0x35,
>> +                                 0x18, 0x88, 0x88, 0x88, 0x88, 0x88, 0x00, 
>> 0x00,
>> +                                 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 
>> 0x00,
>> +                                 0x00, 0x00, 0x00);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETGIP2, 0x97, 0x0a, 
>> 0x82, 0x02,
>> +                                 0x03, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 
>> 0x00,
>> +                                 0x81, 0x88, 0xba, 0x17, 0x53, 0x88, 0x88, 
>> 0x88,
>> +                                 0x88, 0x88, 0x88, 0x80, 0x88, 0xba, 0x06, 
>> 0x42,
>> +                                 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x23, 
>> 0x00,
>> +                                 0x00, 0x02, 0x80, 0x00, 0x00, 0x00, 0x00, 
>> 0x00,
>> +                                 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
>> 0x00,
>> +                                 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
>> 0x00,
>> +                                 0x00);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_UNKNOWN_EF, 0xff, 
>> 0xff, 0x01);
>>  }
>>  
>>  static const struct drm_display_mode rg353v2_mode = {
>> @@ -433,68 +421,64 @@ static const struct st7703_panel_desc rg353v2_desc = {
>>      .init_sequence = rg353v2_init_sequence,
>>  };
>>  
>> -static int rgb30panel_init_sequence(struct st7703 *ctx)
>> +static void rgb30panel_init_sequence(struct mipi_dsi_multi_context *dsi_ctx)
>>  {
>> -    struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
>> -
>>      /* Init sequence extracted from Powkiddy RGB30 BSP kernel. */
>>  
>>      /*
>>       * For some reason this specific panel must be taken out of sleep
>>       * before the full init sequence, or else it will not display.
>>       */
>> -    mipi_dsi_dcs_exit_sleep_mode(dsi);
>> -    msleep(250);
>> -
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETEXTC, 0xf1, 0x12, 0x83);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETMIPI, 0x33, 0x81, 0x05, 0xf9,
>> -                           0x0e, 0x0e, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00,
>> -                           0x00, 0x00, 0x44, 0x25, 0x00, 0x90, 0x0a, 0x00,
>> -                           0x00, 0x01, 0x4f, 0x01, 0x00, 0x00, 0x37);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETPOWER_EXT, 0x25, 0x22, 0xf0,
>> -                           0x63);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_UNKNOWN_BF, 0x02, 0x11, 0x00);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETRGBIF, 0x10, 0x10, 0x28,
>> -                           0x28, 0x03, 0xff, 0x00, 0x00, 0x00, 0x00);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETSCR, 0x73, 0x73, 0x50, 0x50,
>> -                           0x00, 0x00, 0x12, 0x70, 0x00);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETVDC, 0x46);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETPANEL, 0x0b);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETCYC, 0x80);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETDISP, 0x3c, 0x12, 0x30);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETEQ, 0x07, 0x07, 0x0b, 0x0b,
>> -                           0x03, 0x0b, 0x00, 0x00, 0x00, 0x00, 0xff, 0x00,
>> -                           0xc0, 0x10);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETPOWER, 0x36, 0x00, 0x32,
>> -                           0x32, 0x77, 0xf1, 0xcc, 0xcc, 0x77, 0x77, 0x33,
>> -                           0x33);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETBGP, 0x0a, 0x0a);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETVCOM, 0x88, 0x88);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETGIP1, 0xc8, 0x10, 0x0a, 0x10,
>> -                           0x0f, 0xa1, 0x80, 0x12, 0x31, 0x23, 0x47, 0x86,
>> -                           0xa1, 0x80, 0x47, 0x08, 0x00, 0x00, 0x0d, 0x00,
>> -                           0x00, 0x00, 0x00, 0x00, 0x0d, 0x00, 0x00, 0x00,
>> -                           0x48, 0x02, 0x8b, 0xaf, 0x46, 0x02, 0x88, 0x88,
>> -                           0x88, 0x88, 0x88, 0x48, 0x13, 0x8b, 0xaf, 0x57,
>> -                           0x13, 0x88, 0x88, 0x88, 0x88, 0x88, 0x00, 0x00,
>> -                           0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
>> -                           0x00, 0x00, 0x00);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETGIP2, 0x96, 0x12, 0x01, 0x01,
>> -                           0x01, 0x78, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00,
>> -                           0x4f, 0x31, 0x8b, 0xa8, 0x31, 0x75, 0x88, 0x88,
>> -                           0x88, 0x88, 0x88, 0x4f, 0x20, 0x8b, 0xa8, 0x20,
>> -                           0x64, 0x88, 0x88, 0x88, 0x88, 0x88, 0x23, 0x00,
>> -                           0x00, 0x01, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00,
>> -                           0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
>> -                           0x00, 0x00, 0x40, 0xa1, 0x80, 0x00, 0x00, 0x00,
>> -                           0x00);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETGAMMA, 0x00, 0x0a, 0x0f,
>> -                           0x29, 0x3b, 0x3f, 0x42, 0x39, 0x06, 0x0d, 0x10,
>> -                           0x13, 0x15, 0x14, 0x15, 0x10, 0x17, 0x00, 0x0a,
>> -                           0x0f, 0x29, 0x3b, 0x3f, 0x42, 0x39, 0x06, 0x0d,
>> -                           0x10, 0x13, 0x15, 0x14, 0x15, 0x10, 0x17);
>> -
>> -    return 0;
>> +    mipi_dsi_dcs_exit_sleep_mode_multi(dsi_ctx);
>> +    mipi_dsi_msleep(dsi_ctx, 250);
>> +
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETEXTC, 0xf1, 0x12, 
>> 0x83);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETMIPI, 0x33, 0x81, 
>> 0x05, 0xf9,
>> +                                 0x0e, 0x0e, 0x20, 0x00, 0x00, 0x00, 0x00, 
>> 0x00,
>> +                                 0x00, 0x00, 0x44, 0x25, 0x00, 0x90, 0x0a, 
>> 0x00,
>> +                                 0x00, 0x01, 0x4f, 0x01, 0x00, 0x00, 0x37);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETPOWER_EXT, 0x25, 
>> 0x22, 0xf0,
>> +                                 0x63);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_UNKNOWN_BF, 0x02, 
>> 0x11, 0x00);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETRGBIF, 0x10, 0x10, 
>> 0x28,
>> +                                 0x28, 0x03, 0xff, 0x00, 0x00, 0x00, 0x00);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETSCR, 0x73, 0x73, 
>> 0x50, 0x50,
>> +                                 0x00, 0x00, 0x12, 0x70, 0x00);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETVDC, 0x46);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETPANEL, 0x0b);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETCYC, 0x80);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETDISP, 0x3c, 0x12, 
>> 0x30);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETEQ, 0x07, 0x07, 
>> 0x0b, 0x0b,
>> +                                 0x03, 0x0b, 0x00, 0x00, 0x00, 0x00, 0xff, 
>> 0x00,
>> +                                 0xc0, 0x10);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETPOWER, 0x36, 0x00, 
>> 0x32,
>> +                                 0x32, 0x77, 0xf1, 0xcc, 0xcc, 0x77, 0x77, 
>> 0x33,
>> +                                 0x33);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETBGP, 0x0a, 0x0a);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETVCOM, 0x88, 0x88);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETGIP1, 0xc8, 0x10, 
>> 0x0a, 0x10,
>> +                                 0x0f, 0xa1, 0x80, 0x12, 0x31, 0x23, 0x47, 
>> 0x86,
>> +                                 0xa1, 0x80, 0x47, 0x08, 0x00, 0x00, 0x0d, 
>> 0x00,
>> +                                 0x00, 0x00, 0x00, 0x00, 0x0d, 0x00, 0x00, 
>> 0x00,
>> +                                 0x48, 0x02, 0x8b, 0xaf, 0x46, 0x02, 0x88, 
>> 0x88,
>> +                                 0x88, 0x88, 0x88, 0x48, 0x13, 0x8b, 0xaf, 
>> 0x57,
>> +                                 0x13, 0x88, 0x88, 0x88, 0x88, 0x88, 0x00, 
>> 0x00,
>> +                                 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
>> 0x00,
>> +                                 0x00, 0x00, 0x00);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETGIP2, 0x96, 0x12, 
>> 0x01, 0x01,
>> +                                 0x01, 0x78, 0x02, 0x00, 0x00, 0x00, 0x00, 
>> 0x00,
>> +                                 0x4f, 0x31, 0x8b, 0xa8, 0x31, 0x75, 0x88, 
>> 0x88,
>> +                                 0x88, 0x88, 0x88, 0x4f, 0x20, 0x8b, 0xa8, 
>> 0x20,
>> +                                 0x64, 0x88, 0x88, 0x88, 0x88, 0x88, 0x23, 
>> 0x00,
>> +                                 0x00, 0x01, 0x02, 0x00, 0x00, 0x00, 0x00, 
>> 0x00,
>> +                                 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
>> 0x00,
>> +                                 0x00, 0x00, 0x40, 0xa1, 0x80, 0x00, 0x00, 
>> 0x00,
>> +                                 0x00);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETGAMMA, 0x00, 0x0a, 
>> 0x0f,
>> +                                 0x29, 0x3b, 0x3f, 0x42, 0x39, 0x06, 0x0d, 
>> 0x10,
>> +                                 0x13, 0x15, 0x14, 0x15, 0x10, 0x17, 0x00, 
>> 0x0a,
>> +                                 0x0f, 0x29, 0x3b, 0x3f, 0x42, 0x39, 0x06, 
>> 0x0d,
>> +                                 0x10, 0x13, 0x15, 0x14, 0x15, 0x10, 0x17);
>>  }
>>  
>>  static const struct drm_display_mode rgb30panel_mode = {
>> @@ -521,70 +505,66 @@ static const struct st7703_panel_desc rgb30panel_desc 
>> = {
>>      .init_sequence = rgb30panel_init_sequence,
>>  };
>>  
>> -static int rgb10max3_panel_init_sequence(struct st7703 *ctx)
>> +static void rgb10max3_panel_init_sequence(struct mipi_dsi_multi_context 
>> *dsi_ctx)
>>  {
>> -    struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
>> -
>>      /* Init sequence extracted from Powkiddy RGB10MAX3 BSP kernel. */
>>  
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETEXTC, 0xf1, 0x12, 0x83);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETAPID, 0x00, 0x00, 0x00, 0xda,
>> -                           0x80);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETDISP, 0xc8, 0x02, 0x30);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETRGBIF, 0x10, 0x10, 0x28,
>> -                           0x28, 0x03, 0xff, 0x00, 0x00, 0x00, 0x00);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETCYC, 0x80);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETBGP, 0x04, 0x04);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETVCOM, 0x78, 0x78);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETPOWER_EXT, 0x25, 0x22, 0xf0,
>> -                           0x63);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETMIPI, 0x33, 0x81, 0x05, 0xf9,
>> -                           0x0e, 0x0e, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00,
>> -                           0x00, 0x00, 0x44, 0x25, 0x00, 0x90, 0x0a, 0x00,
>> -                           0x00, 0x01, 0x4f, 0x01, 0x00, 0x00, 0x37);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETVDC, 0x47);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_UNKNOWN_BF, 0x02, 0x11, 0x00);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETSCR, 0x73, 0x73, 0x50, 0x50,
>> -                           0x00, 0x00, 0x12, 0x70, 0x00);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETPOWER, 0x25, 0x00, 0x32,
>> -                           0x32, 0x77, 0xe1, 0xff, 0xff, 0xcc, 0xcc, 0x77,
>> -                           0x77);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETECO, 0x82, 0x00, 0xbf, 0xff,
>> -                           0x00, 0xff);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETIO, 0xb8, 0x00, 0x0a, 0x00,
>> -                           0x00, 0x00);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETCABC, 0x10, 0x40, 0x1e,
>> -                           0x02);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETPANEL, 0x0b);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETGAMMA, 0x00, 0x04, 0x07,
>> -                           0x2a, 0x39, 0x3f, 0x36, 0x31, 0x06, 0x0b, 0x0e,
>> -                           0x12, 0x14, 0x12, 0x13, 0x0f, 0x17, 0x00, 0x04,
>> -                           0x07, 0x2a, 0x39, 0x3f, 0x36, 0x31, 0x06, 0x0b,
>> -                           0x0e, 0x12, 0x14, 0x12, 0x13, 0x0f, 0x17);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETEQ, 0x03, 0x03, 0x03, 0x03,
>> -                           0x00, 0x03, 0x00, 0x00, 0x00, 0x00, 0xff, 0x80,
>> -                           0xc0, 0x10);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETGIP1, 0xc8, 0x10, 0x08, 0x00,
>> -                           0x00, 0x41, 0xf8, 0x12, 0x31, 0x23, 0x37, 0x86,
>> -                           0x11, 0xc8, 0x37, 0x2a, 0x00, 0x00, 0x0c, 0x00,
>> -                           0x00, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x00, 0x00,
>> -                           0x88, 0x20, 0x46, 0x02, 0x88, 0x88, 0x88, 0x88,
>> -                           0x88, 0x88, 0xff, 0x88, 0x31, 0x57, 0x13, 0x88,
>> -                           0x88, 0x88, 0x88, 0x88, 0x88, 0xff, 0x00, 0x00,
>> -                           0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
>> -                           0x00, 0x00, 0x00);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETGIP2, 0x00, 0x1a, 0x00, 0x00,
>> -                           0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
>> -                           0x8f, 0x13, 0x31, 0x75, 0x88, 0x88, 0x88, 0x88,
>> -                           0x88, 0x88, 0xf8, 0x8f, 0x02, 0x20, 0x64, 0x88,
>> -                           0x88, 0x88, 0x88, 0x88, 0x88, 0xf8, 0x00, 0x00,
>> -                           0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
>> -                           0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
>> -                           0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
>> -                           0x00);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_UNKNOWN_EF, 0xff, 0xff, 0x01);
>> -
>> -    return 0;
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETEXTC, 0xf1, 0x12, 
>> 0x83);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETAPID, 0x00, 0x00, 
>> 0x00, 0xda,
>> +                                 0x80);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETDISP, 0xc8, 0x02, 
>> 0x30);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETRGBIF, 0x10, 0x10, 
>> 0x28,
>> +                                 0x28, 0x03, 0xff, 0x00, 0x00, 0x00, 0x00);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETCYC, 0x80);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETBGP, 0x04, 0x04);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETVCOM, 0x78, 0x78);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETPOWER_EXT, 0x25, 
>> 0x22, 0xf0,
>> +                                 0x63);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETMIPI, 0x33, 0x81, 
>> 0x05, 0xf9,
>> +                                 0x0e, 0x0e, 0x20, 0x00, 0x00, 0x00, 0x00, 
>> 0x00,
>> +                                 0x00, 0x00, 0x44, 0x25, 0x00, 0x90, 0x0a, 
>> 0x00,
>> +                                 0x00, 0x01, 0x4f, 0x01, 0x00, 0x00, 0x37);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETVDC, 0x47);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_UNKNOWN_BF, 0x02, 
>> 0x11, 0x00);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETSCR, 0x73, 0x73, 
>> 0x50, 0x50,
>> +                                 0x00, 0x00, 0x12, 0x70, 0x00);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETPOWER, 0x25, 0x00, 
>> 0x32,
>> +                                 0x32, 0x77, 0xe1, 0xff, 0xff, 0xcc, 0xcc, 
>> 0x77,
>> +                                 0x77);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETECO, 0x82, 0x00, 
>> 0xbf, 0xff,
>> +                                 0x00, 0xff);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETIO, 0xb8, 0x00, 
>> 0x0a, 0x00,
>> +                                 0x00, 0x00);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETCABC, 0x10, 0x40, 
>> 0x1e,
>> +                                 0x02);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETPANEL, 0x0b);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETGAMMA, 0x00, 0x04, 
>> 0x07,
>> +                                 0x2a, 0x39, 0x3f, 0x36, 0x31, 0x06, 0x0b, 
>> 0x0e,
>> +                                 0x12, 0x14, 0x12, 0x13, 0x0f, 0x17, 0x00, 
>> 0x04,
>> +                                 0x07, 0x2a, 0x39, 0x3f, 0x36, 0x31, 0x06, 
>> 0x0b,
>> +                                 0x0e, 0x12, 0x14, 0x12, 0x13, 0x0f, 0x17);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETEQ, 0x03, 0x03, 
>> 0x03, 0x03,
>> +                                 0x00, 0x03, 0x00, 0x00, 0x00, 0x00, 0xff, 
>> 0x80,
>> +                                 0xc0, 0x10);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETGIP1, 0xc8, 0x10, 
>> 0x08, 0x00,
>> +                                 0x00, 0x41, 0xf8, 0x12, 0x31, 0x23, 0x37, 
>> 0x86,
>> +                                 0x11, 0xc8, 0x37, 0x2a, 0x00, 0x00, 0x0c, 
>> 0x00,
>> +                                 0x00, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x00, 
>> 0x00,
>> +                                 0x88, 0x20, 0x46, 0x02, 0x88, 0x88, 0x88, 
>> 0x88,
>> +                                 0x88, 0x88, 0xff, 0x88, 0x31, 0x57, 0x13, 
>> 0x88,
>> +                                 0x88, 0x88, 0x88, 0x88, 0x88, 0xff, 0x00, 
>> 0x00,
>> +                                 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
>> 0x00,
>> +                                 0x00, 0x00, 0x00);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETGIP2, 0x00, 0x1a, 
>> 0x00, 0x00,
>> +                                 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
>> 0x00,
>> +                                 0x8f, 0x13, 0x31, 0x75, 0x88, 0x88, 0x88, 
>> 0x88,
>> +                                 0x88, 0x88, 0xf8, 0x8f, 0x02, 0x20, 0x64, 
>> 0x88,
>> +                                 0x88, 0x88, 0x88, 0x88, 0x88, 0xf8, 0x00, 
>> 0x00,
>> +                                 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
>> 0x00,
>> +                                 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
>> 0x00,
>> +                                 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
>> 0x00,
>> +                                 0x00);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_UNKNOWN_EF, 0xff, 
>> 0xff, 0x01);
>>  }
>>  
>>  static const struct drm_display_mode rgb10max3_panel_mode = {
>> @@ -611,66 +591,62 @@ static const struct st7703_panel_desc 
>> rgb10max3_panel_desc = {
>>      .init_sequence = rgb10max3_panel_init_sequence,
>>  };
>>  
>> -static int gameforcechi_init_sequence(struct st7703 *ctx)
>> +static void gameforcechi_init_sequence(struct mipi_dsi_multi_context 
>> *dsi_ctx)
>>  {
>> -    struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
>> -
>>      /*
>>       * Init sequence was supplied by the panel vendor. Panel will not
>>       * respond to commands until it is brought out of sleep mode first.
>>       */
>>  
>> -    mipi_dsi_dcs_exit_sleep_mode(dsi);
>> -    msleep(250);
>> -
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETEXTC, 0xf1, 0x12, 0x83);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETMIPI, 0x31, 0x81, 0x05, 0xf9,
>> -                           0x0e, 0x0e, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00,
>> -                           0x00, 0x00, 0x44, 0x25, 0x00, 0x91, 0x0a, 0x00,
>> -                           0x00, 0x02, 0x4f, 0xd1, 0x00, 0x00, 0x37);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETPOWER_EXT, 0x25);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_UNKNOWN_BF, 0x02, 0x11, 0x00);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETRGBIF, 0x0c, 0x10, 0x0a,
>> -                           0x50, 0x03, 0xff, 0x00, 0x00, 0x00, 0x00);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETSCR, 0x73, 0x73, 0x50, 0x50,
>> -                           0x00, 0x00, 0x08, 0x70, 0x00);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETVDC, 0x46);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETPANEL, 0x0b);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETCYC, 0x80);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETDISP, 0x00, 0x13, 0xf0);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETEQ, 0x07, 0x07, 0x0b, 0x0b,
>> -                           0x03, 0x0b, 0x00, 0x00, 0x00, 0x00, 0xff, 0x00,
>> -                           0xc0, 0x10);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETPOWER, 0x53, 0x00, 0x1e,
>> -                           0x1e, 0x77, 0xe1, 0xcc, 0xdd, 0x67, 0x77, 0x33,
>> -                           0x33);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETBGP, 0x10, 0x10);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETVCOM, 0x6c, 0x7c);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETGIP1, 0x08, 0x00, 0x0e, 0x00,
>> -                           0x00, 0xb0, 0xb1, 0x11, 0x31, 0x23, 0x28, 0x10,
>> -                           0xb0, 0xb1, 0x27, 0x08, 0x00, 0x04, 0x02, 0x00,
>> -                           0x00, 0x00, 0x00, 0x04, 0x02, 0x00, 0x00, 0x00,
>> -                           0x88, 0x88, 0xba, 0x60, 0x24, 0x08, 0x88, 0x88,
>> -                           0x88, 0x88, 0x88, 0x88, 0x88, 0xba, 0x71, 0x35,
>> -                           0x18, 0x88, 0x88, 0x88, 0x88, 0x88, 0x00, 0x00,
>> -                           0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
>> -                           0x00, 0x00, 0x00);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETGIP2, 0x97, 0x0a, 0x82, 0x02,
>> -                           0x13, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
>> -                           0x80, 0x88, 0xba, 0x17, 0x53, 0x88, 0x88, 0x88,
>> -                           0x88, 0x88, 0x88, 0x81, 0x88, 0xba, 0x06, 0x42,
>> -                           0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x23, 0x10,
>> -                           0x00, 0x02, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00,
>> -                           0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
>> -                           0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
>> -                           0x00);
>> -    mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETGAMMA, 0x00, 0x07, 0x0b,
>> -                           0x27, 0x2d, 0x3f, 0x3b, 0x37, 0x05, 0x0a, 0x0b,
>> -                           0x0f, 0x11, 0x0f, 0x12, 0x12, 0x18, 0x00, 0x07,
>> -                           0x0b, 0x27, 0x2d, 0x3f, 0x3b, 0x37, 0x05, 0xa0,
>> -                           0x0b, 0x0f, 0x11, 0x0f, 0x12, 0x12, 0x18);
>> -
>> -    return 0;
>> +    mipi_dsi_dcs_exit_sleep_mode_multi(dsi_ctx);
>> +    mipi_dsi_msleep(dsi_ctx, 250);
>> +
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETEXTC, 0xf1, 0x12, 
>> 0x83);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETMIPI, 0x31, 0x81, 
>> 0x05, 0xf9,
>> +                                 0x0e, 0x0e, 0x20, 0x00, 0x00, 0x00, 0x00, 
>> 0x00,
>> +                                 0x00, 0x00, 0x44, 0x25, 0x00, 0x91, 0x0a, 
>> 0x00,
>> +                                 0x00, 0x02, 0x4f, 0xd1, 0x00, 0x00, 0x37);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETPOWER_EXT, 0x25);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_UNKNOWN_BF, 0x02, 
>> 0x11, 0x00);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETRGBIF, 0x0c, 0x10, 
>> 0x0a,
>> +                                 0x50, 0x03, 0xff, 0x00, 0x00, 0x00, 0x00);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETSCR, 0x73, 0x73, 
>> 0x50, 0x50,
>> +                                 0x00, 0x00, 0x08, 0x70, 0x00);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETVDC, 0x46);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETPANEL, 0x0b);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETCYC, 0x80);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETDISP, 0x00, 0x13, 
>> 0xf0);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETEQ, 0x07, 0x07, 
>> 0x0b, 0x0b,
>> +                                 0x03, 0x0b, 0x00, 0x00, 0x00, 0x00, 0xff, 
>> 0x00,
>> +                                 0xc0, 0x10);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETPOWER, 0x53, 0x00, 
>> 0x1e,
>> +                                 0x1e, 0x77, 0xe1, 0xcc, 0xdd, 0x67, 0x77, 
>> 0x33,
>> +                                 0x33);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETBGP, 0x10, 0x10);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETVCOM, 0x6c, 0x7c);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETGIP1, 0x08, 0x00, 
>> 0x0e, 0x00,
>> +                                 0x00, 0xb0, 0xb1, 0x11, 0x31, 0x23, 0x28, 
>> 0x10,
>> +                                 0xb0, 0xb1, 0x27, 0x08, 0x00, 0x04, 0x02, 
>> 0x00,
>> +                                 0x00, 0x00, 0x00, 0x04, 0x02, 0x00, 0x00, 
>> 0x00,
>> +                                 0x88, 0x88, 0xba, 0x60, 0x24, 0x08, 0x88, 
>> 0x88,
>> +                                 0x88, 0x88, 0x88, 0x88, 0x88, 0xba, 0x71, 
>> 0x35,
>> +                                 0x18, 0x88, 0x88, 0x88, 0x88, 0x88, 0x00, 
>> 0x00,
>> +                                 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 
>> 0x00,
>> +                                 0x00, 0x00, 0x00);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETGIP2, 0x97, 0x0a, 
>> 0x82, 0x02,
>> +                                 0x13, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 
>> 0x00,
>> +                                 0x80, 0x88, 0xba, 0x17, 0x53, 0x88, 0x88, 
>> 0x88,
>> +                                 0x88, 0x88, 0x88, 0x81, 0x88, 0xba, 0x06, 
>> 0x42,
>> +                                 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x23, 
>> 0x10,
>> +                                 0x00, 0x02, 0x80, 0x00, 0x00, 0x00, 0x00, 
>> 0x00,
>> +                                 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
>> 0x00,
>> +                                 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
>> 0x00,
>> +                                 0x00);
>> +    mipi_dsi_dcs_write_seq_multi(dsi_ctx, ST7703_CMD_SETGAMMA, 0x00, 0x07, 
>> 0x0b,
>> +                                 0x27, 0x2d, 0x3f, 0x3b, 0x37, 0x05, 0x0a, 
>> 0x0b,
>> +                                 0x0f, 0x11, 0x0f, 0x12, 0x12, 0x18, 0x00, 
>> 0x07,
>> +                                 0x0b, 0x27, 0x2d, 0x3f, 0x3b, 0x37, 0x05, 
>> 0xa0,
>> +                                 0x0b, 0x0f, 0x11, 0x0f, 0x12, 0x12, 0x18);
>>  }
>>  
>>  static const struct drm_display_mode gameforcechi_mode = {
>> @@ -701,50 +677,37 @@ static int st7703_enable(struct drm_panel *panel)
>>  {
>>      struct st7703 *ctx = panel_to_st7703(panel);
>>      struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
>> -    int ret;
>> +    struct mipi_dsi_multi_context dsi_ctx = {.dsi = dsi};
>>  
>> -    ret = ctx->desc->init_sequence(ctx);
>> -    if (ret < 0) {
>> -            dev_err(ctx->dev, "Panel init sequence failed: %d\n", ret);
>> -            return ret;
>> -    }
>> +    ctx->desc->init_sequence(&dsi_ctx);
> 
> Why no return early here in the error case (same for the other cases
> below) giving us an indication which step went wrong?
> 
>>  
>> -    ret = mipi_dsi_dcs_exit_sleep_mode(dsi);
>> -    if (ret < 0) {
>> -            dev_err(ctx->dev, "Failed to exit sleep mode: %d\n", ret);
>> -            return ret;
>> -    }
>> +    mipi_dsi_dcs_exit_sleep_mode_multi(&dsi_ctx);
>>  
>>      /* It takes the controller 120 msec to wake up after sleep. */
>> -    msleep(120);
>> +    mipi_dsi_msleep(&dsi_ctx, 120);
>>  
>> -    ret = mipi_dsi_dcs_set_display_on(dsi);
>> -    if (ret)
>> -            return ret;
>> +    mipi_dsi_dcs_set_display_on_multi(&dsi_ctx);
>>  
>> -    dev_dbg(ctx->dev, "Panel init sequence done\n");
> 
> Would be nice to keep the debug message.

The debug message is still there. Except now it runs only if no errors
have occurred to preserve the previous behavior, where the line 
wouldn't have run in the case of an early return.

> 
>> +    if (!dsi_ctx.accum_err)
>> +            dev_dbg(ctx->dev, "Panel init sequence done\n");
>>  
>> -    return 0;
>> +    return dsi_ctx.accum_err;
>>  }
>>  
>>  static int st7703_disable(struct drm_panel *panel)
>>  {
>>      struct st7703 *ctx = panel_to_st7703(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 turn off the display: %d\n", ret);
>> +    mipi_dsi_dcs_set_display_off_multi(&dsi_ctx);
> 
> Similar to the above: it'd be nice to keep the information which step
> failed.

The difference between the new multi variants of the functions and the 
old functions is that multi functions don't run if an error has 
occurred previously (thus removing need for early returns), and they 
call dev_err internally in the case of an error, thus letting us know 
where the error occurred without explicitly having to do error handling 
in the call site.

> 
> Cheers,
>  -- Guido
> 
>>  
>> -    ret = mipi_dsi_dcs_enter_sleep_mode(dsi);
>> -    if (ret < 0)
>> -            dev_err(ctx->dev, "Failed to enter sleep mode: %d\n", ret);
>> +    mipi_dsi_dcs_enter_sleep_mode_multi(&dsi_ctx);
>>  
>>      /* It takes the controller 120 msec to enter sleep mode. */
>> -    msleep(120);
>> +    mipi_dsi_msleep(&dsi_ctx, 120);
>>  
>> -    return 0;
>> +    return dsi_ctx.accum_err;
>>  }
>>  
>>  static int st7703_unprepare(struct drm_panel *panel)
>> @@ -840,10 +803,11 @@ static int allpixelson_set(void *data, u64 val)
>>  {
>>      struct st7703 *ctx = data;
>>      struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
>> +    struct mipi_dsi_multi_context dsi_ctx = {.dsi = dsi};
>>  
>>      dev_dbg(ctx->dev, "Setting all pixels on\n");
>> -    mipi_dsi_generic_write_seq(dsi, ST7703_CMD_ALL_PIXEL_ON);
>> -    msleep(val * 1000);
>> +    mipi_dsi_generic_write_seq_multi(&dsi_ctx, ST7703_CMD_ALL_PIXEL_ON);
>> +    mipi_dsi_msleep(&dsi_ctx, val * 1000);
>>  
>>      /*
>>       * Reset the panel to get video back. NOTE: This isn't a
>> @@ -856,7 +820,7 @@ static int allpixelson_set(void *data, u64 val)
>>      drm_panel_prepare(&ctx->panel);
>>      drm_panel_enable(&ctx->panel);
>>  
>> -    return 0;
>> +    return dsi_ctx.accum_err;
>>  }
>>  
>>  DEFINE_SIMPLE_ATTRIBUTE(allpixelson_fops, NULL,
>> -- 
>> 2.45.2
>>
>>

-- 
Tejas Vipin

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