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bdk: di: samsung panel: better init

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- Set display color profile to natural (it's still vivid but not overblown.)
- Enable PWM slope and set it to 6 frames in order to have smooth backlight transitions
This commit is contained in:
CTCaer 2022-05-08 04:48:55 +03:00
parent 56dcbb2b23
commit 9908eb8bb3
2 changed files with 47 additions and 6 deletions
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25
bdk/display/di.c
View file

@ -497,8 +497,29 @@ void display_init()
{
case PANEL_SAM_AMS699VC01:
_display_dsi_send_cmd(MIPI_DSI_DCS_SHORT_WRITE, MIPI_DCS_EXIT_SLEEP_MODE, 180000);
_display_dsi_send_cmd(MIPI_DSI_DCS_SHORT_WRITE_PARAM, 0xA0, 0); // Write 0 to 0xA0.
_display_dsi_send_cmd(MIPI_DSI_DCS_SHORT_WRITE_PARAM, MIPI_DCS_SET_CONTROL_DISPLAY | (DCS_CONTROL_DISPLAY_BRIGHTNESS_CTRL << 8), 0); // Enable brightness control.
// Set color mode to natural. Stock is Default (0x00) which is VIVID (0x65). (Reset value is 0x20).
_display_dsi_send_cmd(MIPI_DSI_DCS_SHORT_WRITE_PARAM, MIPI_DCS_PRIV_SM_SET_COLOR_MODE | (DCS_SM_COLOR_MODE_NATURAL << 8), 0);
// Enable backlight and smooth PWM.
_display_dsi_send_cmd(MIPI_DSI_DCS_SHORT_WRITE_PARAM,
MIPI_DCS_SET_CONTROL_DISPLAY | ((DCS_CONTROL_DISPLAY_BRIGHTNESS_CTRL | DCS_CONTROL_DISPLAY_DIMMING_CTRL) << 8), 0);
// Unlock Level 2 registers.
DSI(_DSIREG(DSI_WR_DATA)) = 0x539; // MIPI_DSI_DCS_LONG_WRITE: 5 bytes.
DSI(_DSIREG(DSI_WR_DATA)) = 0x5A5A5AE2; // MIPI_DCS_PRIV_SM_SET_REGS_LOCK: Unlock Level 2 registers.
DSI(_DSIREG(DSI_WR_DATA)) = 0x5A;
DSI(_DSIREG(DSI_TRIGGER)) = DSI_TRIGGER_HOST;
// Set registers offset and set PWM transition to 6 frames (100ms).
_display_dsi_send_cmd(MIPI_DSI_DCS_SHORT_WRITE_PARAM, MIPI_DCS_PRIV_SM_SET_REG_OFFSET | (7 << 8), 0);
_display_dsi_send_cmd(MIPI_DSI_DCS_SHORT_WRITE_PARAM, MIPI_DCS_PRIV_SM_SET_ELVSS | (6 << 8), 0);
// Relock Level 2 registers.
DSI(_DSIREG(DSI_WR_DATA)) = 0x539; // MIPI_DSI_DCS_LONG_WRITE: 5 bytes.
DSI(_DSIREG(DSI_WR_DATA)) = 0xA55A5AE2; // MIPI_DCS_PRIV_SM_SET_REGS_LOCK: Lock Level 2 registers.
DSI(_DSIREG(DSI_WR_DATA)) = 0xA5;
DSI(_DSIREG(DSI_TRIGGER)) = DSI_TRIGGER_HOST;
// Set backlight to 0%.
DSI(_DSIREG(DSI_WR_DATA)) = 0x339; // MIPI_DSI_DCS_LONG_WRITE: 3 bytes.
DSI(_DSIREG(DSI_WR_DATA)) = 0x000051; // MIPI_DCS_SET_BRIGHTNESS 0000: 0%. FF07: 100%.
DSI(_DSIREG(DSI_TRIGGER)) = DSI_TRIGGER_HOST;

28
bdk/display/di.h
View file

@ -644,6 +644,7 @@
#define MIPI_DCS_GET_SCANLINE 0x45
#define MIPI_DCS_SET_TEAR_SCANLINE_WIDTH 0x46
#define MIPI_DCS_GET_SCANLINE_WIDTH 0x47
#define MIPI_DSI_AREA_COLOR_MODE 0x4C
#define MIPI_DCS_SET_BRIGHTNESS 0x51 // DCS_CONTROL_DISPLAY_BRIGHTNESS_CTRL. 1 byte. 0-7: DBV.
#define MIPI_DCS_GET_BRIGHTNESS 0x52 // 1 byte. 0-7: DBV.
#define MIPI_DCS_SET_CONTROL_DISPLAY 0x53 // 1 byte. 2: BL, 3: DD, 5: BCTRL.
@ -657,7 +658,9 @@
#define MIPI_DCS_READ_DDB_CONTINUE 0xA8 // 0x100 size.
/*! MIPI DCS Panel Private CMDs. */
#define MIPI_DCS_PRIV_UNK_A0 0xA0
#define MIPI_DCS_PRIV_SM_SET_COLOR_MODE 0xA0
#define MIPI_DCS_PRIV_SM_SET_REG_OFFSET 0xB0
#define MIPI_DCS_PRIV_SM_SET_ELVSS 0xB1 // OLED backlight tuning. Byte7: PWM transition time in frames.
#define MIPI_DCS_PRIV_SET_POWER_CONTROL 0xB1
#define MIPI_DCS_PRIV_SET_EXTC 0xB9 // Enable extended commands.
#define MIPI_DCS_PRIV_UNK_BD 0xBD
@ -665,6 +668,8 @@
#define MIPI_DCS_PRIV_UNK_D6 0xD6
#define MIPI_DCS_PRIV_UNK_D8 0xD8
#define MIPI_DCS_PRIV_UNK_D9 0xD9
// LVL1 LVL2 LVL3 UNK0 UNK1
#define MIPI_DCS_PRIV_SM_SET_REGS_LOCK 0xE2 // Samsung: Lock (default): 5A5A A5A5 A5A5 A500 A500. Unlock: A5A5 5A5A 5A5A UNK UNK.
#define MIPI_DCS_PRIV_READ_EXTC_CMD_SPI 0xFE // Read EXTC Command In SPI. 1 byte. 0-6: EXT_SPI_CNT, 7:EXT_SP.
#define MIPI_DCS_PRIV_SET_EXTC_CMD_REG 0xFF // EXTC Command Set enable register. 5 bytes. Pass: FF 98 06 04, PAGE.
@ -699,12 +704,23 @@
#define DCS_GAMMA_CURVE_GC2_1_0 BIT(2)
#define DCS_GAMMA_CURVE_GC3_1_0 BIT(3) // Are there more?
#define DCS_CONTROL_DISPLAY_SM_FLASHLIGHT BIT(2)
#define DCS_CONTROL_DISPLAY_BACKLIGHT_CTRL BIT(2)
#define DCS_CONTROL_DISPLAY_DIMMING_CTRL BIT(3)
#define DCS_CONTROL_DISPLAY_BRIGHTNESS_CTRL BIT(5)
#define PANEL_OLED_BL_COEFF 82 // 82%.
#define PANEL_OLED_BL_OFFSET 45 // Least legible backlight duty.
#define DCS_SM_COLOR_MODE_DEFAULT 0x00 // Same with vivid.
#define DCS_SM_COLOR_MODE_BASIC 0x03
#define DCS_SM_COLOR_MODE_POR_RESET 0x20 // Reset value on power on.
#define DCS_SM_COLOR_MODE_NATURAL 0x23
#define DCS_SM_COLOR_MODE_VIVID 0x65
#define DCS_SM_COLOR_MODE_NIGHT 0x23 // Basic with Night mode.
#define DCS_SM_COLOR_MODE_ENABLE BIT(0)
#define DCS_SM_COLOR_MODE_COLOR_MASK (7 << 1)
//#define DCS_SM_COLOR_MODE_NIGHT BIT(6)
#define PANEL_SM_BL_CANDELA_MAX 2047
/* Switch Panels:
*
@ -716,12 +732,15 @@
* [20] 96 [0F]: InnoLux P062CCA-AZ3 [UNCONFIRMED MODEL REV]
* [20] 97 [0F]: InnoLux P062CCA-??? [UNCONFIRMED MODEL REV]
* [20] 98 [0F]: InnoLux P062CCA-??? [UNCONFIRMED MODEL REV]
* [30] 93 [0F]: AUO A062TAN00 (59.06A33.000)
* [30] 94 [0F]: AUO A062TAN01 (59.06A33.001)
* [30] 95 [0F]: AUO A062TAN02 (59.06A33.002)
* [30] XX [0F]: AUO A062TAN03 (59.06A33.003) [UNCONFIRMED ID]
*
* 5.5" panels for Hoag SKUs:
* [20] 94 [10]: InnoLux 2J055IA-27A (Rev B1)
* [20] 95 [10]: InnoLux 2J055IA-27A (Rev B1) [UNCONFIRMED MODEL REV]
* [20] 96 [10]: InnoLux 2J055IA-27A (Rev B1) [UNCONFIRMED MODEL REV]
* [30] 93 [10]: AUO A055TAN01 (59.05A30.001)
* [40] XX [10]: Vendor 40 [UNCONFIRMED ID]
*
@ -790,6 +809,7 @@ void display_deinit_cursor();
int display_dsi_read(u8 cmd, u32 len, void *data);
int display_dsi_vblank_read(u8 cmd, u32 len, void *data);
void display_dsi_write(u8 cmd, u32 len, void *data, bool video_enabled);
void display_dsi_write(u8 cmd, u32 len, void *data);
void display_dsi_vblank_write(u8 cmd, u32 len, void *data);
#endif