diff options
Diffstat (limited to 'drivers/gpu/drm/panel')
31 files changed, 2112 insertions, 640 deletions
diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig index 869e535fa..a4ac4b477 100644 --- a/drivers/gpu/drm/panel/Kconfig +++ b/drivers/gpu/drm/panel/Kconfig @@ -203,6 +203,15 @@ config DRM_PANEL_ILITEK_ILI9881C Say Y if you want to enable support for panels based on the Ilitek ILI9881c controller. +config DRM_PANEL_ILITEK_ILI9882T + tristate "Ilitek ILI9882t-based panels" + depends on OF + depends on DRM_MIPI_DSI + depends on BACKLIGHT_CLASS_DEVICE + help + Say Y if you want to enable support for panels based on the + Ilitek ILI9882t controller. + config DRM_PANEL_INNOLUX_EJ030NA tristate "Innolux EJ030NA 320x480 LCD panel" depends on OF && SPI @@ -244,6 +253,17 @@ config DRM_PANEL_JDI_LT070ME05000 The panel has a 1200(RGB)×1920 (WUXGA) resolution and uses 24 bit per pixel. +config DRM_PANEL_JDI_LPM102A188A + tristate "JDI LPM102A188A DSI panel" + depends on OF && GPIOLIB + depends on DRM_MIPI_DSI + depends on BACKLIGHT_CLASS_DEVICE + help + Say Y here if you want to enable support for JDI LPM102A188A DSI + command mode panel as found in Google Pixel C devices. + The panel has a 2560×1800 resolution. It provides a MIPI DSI interface + to the host. + config DRM_PANEL_JDI_R63452 tristate "JDI R63452 Full HD DSI panel" depends on OF @@ -505,6 +525,17 @@ config DRM_PANEL_RAYDIUM_RM68200 Say Y here if you want to enable support for Raydium RM68200 720x1280 DSI video mode panel. +config DRM_PANEL_RAYDIUM_RM692E5 + tristate "Raydium RM692E5-based DSI panel" + depends on OF + depends on DRM_MIPI_DSI + depends on BACKLIGHT_CLASS_DEVICE + select DRM_DISPLAY_DP_HELPER + select DRM_DISPLAY_HELPER + help + Say Y here if you want to enable support for Raydium RM692E5-based + display panels, such as the one found in the Fairphone 5 smartphone. + config DRM_PANEL_RONBO_RB070D30 tristate "Ronbo Electronics RB070D30 panel" depends on OF diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile index 433e93d57..d10c3de51 100644 --- a/drivers/gpu/drm/panel/Makefile +++ b/drivers/gpu/drm/panel/Makefile @@ -18,10 +18,12 @@ obj-$(CONFIG_DRM_PANEL_HIMAX_HX8394) += panel-himax-hx8394.o obj-$(CONFIG_DRM_PANEL_ILITEK_IL9322) += panel-ilitek-ili9322.o obj-$(CONFIG_DRM_PANEL_ILITEK_ILI9341) += panel-ilitek-ili9341.o obj-$(CONFIG_DRM_PANEL_ILITEK_ILI9881C) += panel-ilitek-ili9881c.o +obj-$(CONFIG_DRM_PANEL_ILITEK_ILI9882T) += panel-ilitek-ili9882t.o obj-$(CONFIG_DRM_PANEL_INNOLUX_EJ030NA) += panel-innolux-ej030na.o obj-$(CONFIG_DRM_PANEL_INNOLUX_P079ZCA) += panel-innolux-p079zca.o obj-$(CONFIG_DRM_PANEL_JADARD_JD9365DA_H3) += panel-jadard-jd9365da-h3.o obj-$(CONFIG_DRM_PANEL_JDI_LT070ME05000) += panel-jdi-lt070me05000.o +obj-$(CONFIG_DRM_PANEL_JDI_LPM102A188A) += panel-jdi-lpm102a188a.o obj-$(CONFIG_DRM_PANEL_JDI_R63452) += panel-jdi-fhd-r63452.o obj-$(CONFIG_DRM_PANEL_KHADAS_TS050) += panel-khadas-ts050.o obj-$(CONFIG_DRM_PANEL_KINGDISPLAY_KD097D04) += panel-kingdisplay-kd097d04.o @@ -48,6 +50,7 @@ obj-$(CONFIG_DRM_PANEL_PANASONIC_VVX10F034N00) += panel-panasonic-vvx10f034n00.o obj-$(CONFIG_DRM_PANEL_RASPBERRYPI_TOUCHSCREEN) += panel-raspberrypi-touchscreen.o obj-$(CONFIG_DRM_PANEL_RAYDIUM_RM67191) += panel-raydium-rm67191.o obj-$(CONFIG_DRM_PANEL_RAYDIUM_RM68200) += panel-raydium-rm68200.o +obj-$(CONFIG_DRM_PANEL_RAYDIUM_RM692E5) += panel-raydium-rm692e5.o obj-$(CONFIG_DRM_PANEL_RONBO_RB070D30) += panel-ronbo-rb070d30.o obj-$(CONFIG_DRM_PANEL_SAMSUNG_ATNA33XC20) += panel-samsung-atna33xc20.o obj-$(CONFIG_DRM_PANEL_SAMSUNG_DB7430) += panel-samsung-db7430.o diff --git a/drivers/gpu/drm/panel/panel-asus-z00t-tm5p5-n35596.c b/drivers/gpu/drm/panel/panel-asus-z00t-tm5p5-n35596.c index 075a7af81..bcaa63d19 100644 --- a/drivers/gpu/drm/panel/panel-asus-z00t-tm5p5-n35596.c +++ b/drivers/gpu/drm/panel/panel-asus-z00t-tm5p5-n35596.c @@ -16,7 +16,6 @@ struct tm5p5_nt35596 { struct mipi_dsi_device *dsi; struct regulator_bulk_data supplies[2]; struct gpio_desc *reset_gpio; - bool prepared; }; static inline struct tm5p5_nt35596 *to_tm5p5_nt35596(struct drm_panel *panel) @@ -112,9 +111,6 @@ static int tm5p5_nt35596_prepare(struct drm_panel *panel) struct device *dev = &ctx->dsi->dev; int ret; - if (ctx->prepared) - return 0; - ret = regulator_bulk_enable(ARRAY_SIZE(ctx->supplies), ctx->supplies); if (ret < 0) { dev_err(dev, "Failed to enable regulators: %d\n", ret); @@ -132,7 +128,6 @@ static int tm5p5_nt35596_prepare(struct drm_panel *panel) return ret; } - ctx->prepared = true; return 0; } @@ -142,9 +137,6 @@ static int tm5p5_nt35596_unprepare(struct drm_panel *panel) struct device *dev = &ctx->dsi->dev; int ret; - if (!ctx->prepared) - return 0; - ret = tm5p5_nt35596_off(ctx); if (ret < 0) dev_err(dev, "Failed to un-initialize panel: %d\n", ret); @@ -153,7 +145,6 @@ static int tm5p5_nt35596_unprepare(struct drm_panel *panel) regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), ctx->supplies); - ctx->prepared = false; return 0; } diff --git a/drivers/gpu/drm/panel/panel-boe-bf060y8m-aj0.c b/drivers/gpu/drm/panel/panel-boe-bf060y8m-aj0.c index 90098b753..e77db8597 100644 --- a/drivers/gpu/drm/panel/panel-boe-bf060y8m-aj0.c +++ b/drivers/gpu/drm/panel/panel-boe-bf060y8m-aj0.c @@ -34,7 +34,6 @@ struct boe_bf060y8m_aj0 { struct mipi_dsi_device *dsi; struct regulator_bulk_data vregs[BF060Y8M_VREG_MAX]; struct gpio_desc *reset_gpio; - bool prepared; }; static inline @@ -129,9 +128,6 @@ static int boe_bf060y8m_aj0_prepare(struct drm_panel *panel) struct device *dev = &boe->dsi->dev; int ret; - if (boe->prepared) - return 0; - /* * Enable EL Driving Voltage first - doing that at the beginning * or at the end of the power sequence doesn't matter, so enable @@ -166,7 +162,6 @@ static int boe_bf060y8m_aj0_prepare(struct drm_panel *panel) return ret; } - boe->prepared = true; return 0; err_vci: @@ -186,9 +181,6 @@ static int boe_bf060y8m_aj0_unprepare(struct drm_panel *panel) struct device *dev = &boe->dsi->dev; int ret; - if (!boe->prepared) - return 0; - ret = boe_bf060y8m_aj0_off(boe); if (ret < 0) dev_err(dev, "Failed to un-initialize panel: %d\n", ret); @@ -196,7 +188,6 @@ static int boe_bf060y8m_aj0_unprepare(struct drm_panel *panel) gpiod_set_value_cansleep(boe->reset_gpio, 1); ret = regulator_bulk_disable(ARRAY_SIZE(boe->vregs), boe->vregs); - boe->prepared = false; return 0; } diff --git a/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c b/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c index 29e63cdfb..c4c0f08e9 100644 --- a/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c +++ b/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c @@ -1368,346 +1368,6 @@ static const struct panel_init_cmd starry_himax83102_j02_init_cmd[] = { {}, }; -static const struct panel_init_cmd starry_ili9882t_init_cmd[] = { - _INIT_DELAY_CMD(5), - _INIT_DCS_CMD(0xFF, 0x98, 0x82, 0x01), - _INIT_DCS_CMD(0x00, 0x42), - _INIT_DCS_CMD(0x01, 0x11), - _INIT_DCS_CMD(0x02, 0x00), - _INIT_DCS_CMD(0x03, 0x00), - - _INIT_DCS_CMD(0x04, 0x01), - _INIT_DCS_CMD(0x05, 0x11), - _INIT_DCS_CMD(0x06, 0x00), - _INIT_DCS_CMD(0x07, 0x00), - - _INIT_DCS_CMD(0x08, 0x80), - _INIT_DCS_CMD(0x09, 0x81), - _INIT_DCS_CMD(0x0A, 0x71), - _INIT_DCS_CMD(0x0B, 0x00), - - _INIT_DCS_CMD(0x0C, 0x00), - _INIT_DCS_CMD(0x0E, 0x1A), - - _INIT_DCS_CMD(0x24, 0x00), - _INIT_DCS_CMD(0x25, 0x00), - _INIT_DCS_CMD(0x26, 0x00), - _INIT_DCS_CMD(0x27, 0x00), - - _INIT_DCS_CMD(0x2C, 0xD4), - _INIT_DCS_CMD(0xB9, 0x40), - - _INIT_DCS_CMD(0xB0, 0x11), - - _INIT_DCS_CMD(0xE6, 0x32), - _INIT_DCS_CMD(0xD1, 0x30), - - _INIT_DCS_CMD(0xD6, 0x55), - - _INIT_DCS_CMD(0xD0, 0x01), - _INIT_DCS_CMD(0xE3, 0x93), - _INIT_DCS_CMD(0xE4, 0x00), - _INIT_DCS_CMD(0xE5, 0x80), - - _INIT_DCS_CMD(0x31, 0x07), - _INIT_DCS_CMD(0x32, 0x07), - _INIT_DCS_CMD(0x33, 0x07), - _INIT_DCS_CMD(0x34, 0x07), - _INIT_DCS_CMD(0x35, 0x07), - _INIT_DCS_CMD(0x36, 0x01), - _INIT_DCS_CMD(0x37, 0x00), - _INIT_DCS_CMD(0x38, 0x28), - _INIT_DCS_CMD(0x39, 0x29), - _INIT_DCS_CMD(0x3A, 0x11), - _INIT_DCS_CMD(0x3B, 0x13), - _INIT_DCS_CMD(0x3C, 0x15), - _INIT_DCS_CMD(0x3D, 0x17), - _INIT_DCS_CMD(0x3E, 0x09), - _INIT_DCS_CMD(0x3F, 0x0D), - _INIT_DCS_CMD(0x40, 0x02), - _INIT_DCS_CMD(0x41, 0x02), - _INIT_DCS_CMD(0x42, 0x02), - _INIT_DCS_CMD(0x43, 0x02), - _INIT_DCS_CMD(0x44, 0x02), - _INIT_DCS_CMD(0x45, 0x02), - _INIT_DCS_CMD(0x46, 0x02), - - _INIT_DCS_CMD(0x47, 0x07), - _INIT_DCS_CMD(0x48, 0x07), - _INIT_DCS_CMD(0x49, 0x07), - _INIT_DCS_CMD(0x4A, 0x07), - _INIT_DCS_CMD(0x4B, 0x07), - _INIT_DCS_CMD(0x4C, 0x01), - _INIT_DCS_CMD(0x4D, 0x00), - _INIT_DCS_CMD(0x4E, 0x28), - _INIT_DCS_CMD(0x4F, 0x29), - _INIT_DCS_CMD(0x50, 0x10), - _INIT_DCS_CMD(0x51, 0x12), - _INIT_DCS_CMD(0x52, 0x14), - _INIT_DCS_CMD(0x53, 0x16), - _INIT_DCS_CMD(0x54, 0x08), - _INIT_DCS_CMD(0x55, 0x0C), - _INIT_DCS_CMD(0x56, 0x02), - _INIT_DCS_CMD(0x57, 0x02), - _INIT_DCS_CMD(0x58, 0x02), - _INIT_DCS_CMD(0x59, 0x02), - _INIT_DCS_CMD(0x5A, 0x02), - _INIT_DCS_CMD(0x5B, 0x02), - _INIT_DCS_CMD(0x5C, 0x02), - - _INIT_DCS_CMD(0x61, 0x07), - _INIT_DCS_CMD(0x62, 0x07), - _INIT_DCS_CMD(0x63, 0x07), - _INIT_DCS_CMD(0x64, 0x07), - _INIT_DCS_CMD(0x65, 0x07), - _INIT_DCS_CMD(0x66, 0x01), - _INIT_DCS_CMD(0x67, 0x00), - _INIT_DCS_CMD(0x68, 0x28), - _INIT_DCS_CMD(0x69, 0x29), - _INIT_DCS_CMD(0x6A, 0x16), - _INIT_DCS_CMD(0x6B, 0x14), - _INIT_DCS_CMD(0x6C, 0x12), - _INIT_DCS_CMD(0x6D, 0x10), - _INIT_DCS_CMD(0x6E, 0x0C), - _INIT_DCS_CMD(0x6F, 0x08), - _INIT_DCS_CMD(0x70, 0x02), - _INIT_DCS_CMD(0x71, 0x02), - _INIT_DCS_CMD(0x72, 0x02), - _INIT_DCS_CMD(0x73, 0x02), - _INIT_DCS_CMD(0x74, 0x02), - _INIT_DCS_CMD(0x75, 0x02), - _INIT_DCS_CMD(0x76, 0x02), - - _INIT_DCS_CMD(0x77, 0x07), - _INIT_DCS_CMD(0x78, 0x07), - _INIT_DCS_CMD(0x79, 0x07), - _INIT_DCS_CMD(0x7A, 0x07), - _INIT_DCS_CMD(0x7B, 0x07), - _INIT_DCS_CMD(0x7C, 0x01), - _INIT_DCS_CMD(0x7D, 0x00), - _INIT_DCS_CMD(0x7E, 0x28), - _INIT_DCS_CMD(0x7F, 0x29), - _INIT_DCS_CMD(0x80, 0x17), - _INIT_DCS_CMD(0x81, 0x15), - _INIT_DCS_CMD(0x82, 0x13), - _INIT_DCS_CMD(0x83, 0x11), - _INIT_DCS_CMD(0x84, 0x0D), - _INIT_DCS_CMD(0x85, 0x09), - _INIT_DCS_CMD(0x86, 0x02), - _INIT_DCS_CMD(0x87, 0x07), - _INIT_DCS_CMD(0x88, 0x07), - _INIT_DCS_CMD(0x89, 0x07), - _INIT_DCS_CMD(0x8A, 0x07), - _INIT_DCS_CMD(0x8B, 0x07), - _INIT_DCS_CMD(0x8C, 0x07), - - _INIT_DCS_CMD(0xFF, 0x98, 0x82, 0x02), - _INIT_DCS_CMD(0x29, 0x3A), - _INIT_DCS_CMD(0x2A, 0x3B), - - _INIT_DCS_CMD(0x06, 0x01), - _INIT_DCS_CMD(0x07, 0x01), - _INIT_DCS_CMD(0x08, 0x0C), - _INIT_DCS_CMD(0x09, 0x44), - - _INIT_DCS_CMD(0x3C, 0x0A), - _INIT_DCS_CMD(0x39, 0x11), - _INIT_DCS_CMD(0x3D, 0x00), - _INIT_DCS_CMD(0x3A, 0x0C), - _INIT_DCS_CMD(0x3B, 0x44), - - _INIT_DCS_CMD(0x53, 0x1F), - _INIT_DCS_CMD(0x5E, 0x40), - _INIT_DCS_CMD(0x84, 0x00), - - _INIT_DCS_CMD(0xFF, 0x98, 0x82, 0x03), - _INIT_DCS_CMD(0x20, 0x01), - _INIT_DCS_CMD(0x21, 0x3C), - _INIT_DCS_CMD(0x22, 0xFA), - - _INIT_DCS_CMD(0xFF, 0x98, 0x82, 0x0A), - _INIT_DCS_CMD(0xE0, 0x01), - _INIT_DCS_CMD(0xE2, 0x01), - _INIT_DCS_CMD(0xE5, 0x91), - _INIT_DCS_CMD(0xE6, 0x3C), - _INIT_DCS_CMD(0xE7, 0x00), - _INIT_DCS_CMD(0xE8, 0xFA), - - _INIT_DCS_CMD(0xFF, 0x98, 0x82, 0x12), - _INIT_DCS_CMD(0x87, 0x2C), - - _INIT_DCS_CMD(0xFF, 0x98, 0x82, 0x05), - _INIT_DCS_CMD(0x73, 0xE5), - _INIT_DCS_CMD(0x7F, 0x6B), - _INIT_DCS_CMD(0x6D, 0xA4), - _INIT_DCS_CMD(0x79, 0x54), - _INIT_DCS_CMD(0x69, 0x97), - _INIT_DCS_CMD(0x6A, 0x97), - _INIT_DCS_CMD(0xA5, 0x3F), - _INIT_DCS_CMD(0x61, 0xDA), - _INIT_DCS_CMD(0xA7, 0xF1), - _INIT_DCS_CMD(0x5F, 0x01), - _INIT_DCS_CMD(0x62, 0x3F), - _INIT_DCS_CMD(0x1D, 0x90), - _INIT_DCS_CMD(0x86, 0x87), - - _INIT_DCS_CMD(0xFF, 0x98, 0x82, 0x06), - _INIT_DCS_CMD(0xC0, 0x80), - _INIT_DCS_CMD(0xC1, 0x07), - _INIT_DCS_CMD(0xCA, 0x58), - _INIT_DCS_CMD(0xCB, 0x02), - _INIT_DCS_CMD(0xCE, 0x58), - _INIT_DCS_CMD(0xCF, 0x02), - _INIT_DCS_CMD(0x67, 0x60), - _INIT_DCS_CMD(0x10, 0x00), - _INIT_DCS_CMD(0x92, 0x22), - _INIT_DCS_CMD(0xD3, 0x08), - _INIT_DCS_CMD(0xD6, 0x55), - _INIT_DCS_CMD(0xDC, 0x38), - - _INIT_DCS_CMD(0xFF, 0x98, 0x82, 0x08), - _INIT_DCS_CMD(0xE0, 0x00, 0x10, 0x2A, 0x4D, 0x61, 0x56, 0x6A, 0x6E, 0x79, 0x76, 0x8F, 0x95, 0x98, 0xAE, 0xAA, 0xB2, 0xBB, 0xCE, 0xC6, 0xBD, 0xD5, 0xE2, 0xE8), - _INIT_DCS_CMD(0xE1, 0x00, 0x10, 0x2A, 0x4D, 0x61, 0x56, 0x6A, 0x6E, 0x79, 0x76, 0x8F, 0x95, 0x98, 0xAE, 0xAA, 0xB2, 0xBB, 0xCE, 0xC6, 0xBD, 0xD5, 0xE2, 0xE8), - - _INIT_DCS_CMD(0xFF, 0x98, 0x82, 0x04), - _INIT_DCS_CMD(0xBA, 0x81), - - _INIT_DCS_CMD(0xFF, 0x98, 0x82, 0x0C), - _INIT_DCS_CMD(0x00, 0x02), - _INIT_DCS_CMD(0x01, 0x00), - _INIT_DCS_CMD(0x02, 0x03), - _INIT_DCS_CMD(0x03, 0x01), - _INIT_DCS_CMD(0x04, 0x03), - _INIT_DCS_CMD(0x05, 0x02), - _INIT_DCS_CMD(0x06, 0x04), - _INIT_DCS_CMD(0x07, 0x03), - _INIT_DCS_CMD(0x08, 0x03), - _INIT_DCS_CMD(0x09, 0x04), - _INIT_DCS_CMD(0x0A, 0x04), - _INIT_DCS_CMD(0x0B, 0x05), - _INIT_DCS_CMD(0x0C, 0x04), - _INIT_DCS_CMD(0x0D, 0x06), - _INIT_DCS_CMD(0x0E, 0x05), - _INIT_DCS_CMD(0x0F, 0x07), - _INIT_DCS_CMD(0x10, 0x04), - _INIT_DCS_CMD(0x11, 0x08), - _INIT_DCS_CMD(0x12, 0x05), - _INIT_DCS_CMD(0x13, 0x09), - _INIT_DCS_CMD(0x14, 0x05), - _INIT_DCS_CMD(0x15, 0x0A), - _INIT_DCS_CMD(0x16, 0x06), - _INIT_DCS_CMD(0x17, 0x0B), - _INIT_DCS_CMD(0x18, 0x05), - _INIT_DCS_CMD(0x19, 0x0C), - _INIT_DCS_CMD(0x1A, 0x06), - _INIT_DCS_CMD(0x1B, 0x0D), - _INIT_DCS_CMD(0x1C, 0x06), - _INIT_DCS_CMD(0x1D, 0x0E), - _INIT_DCS_CMD(0x1E, 0x07), - _INIT_DCS_CMD(0x1F, 0x0F), - _INIT_DCS_CMD(0x20, 0x06), - _INIT_DCS_CMD(0x21, 0x10), - _INIT_DCS_CMD(0x22, 0x07), - _INIT_DCS_CMD(0x23, 0x11), - _INIT_DCS_CMD(0x24, 0x07), - _INIT_DCS_CMD(0x25, 0x12), - _INIT_DCS_CMD(0x26, 0x08), - _INIT_DCS_CMD(0x27, 0x13), - _INIT_DCS_CMD(0x28, 0x07), - _INIT_DCS_CMD(0x29, 0x14), - _INIT_DCS_CMD(0x2A, 0x08), - _INIT_DCS_CMD(0x2B, 0x15), - _INIT_DCS_CMD(0x2C, 0x08), - _INIT_DCS_CMD(0x2D, 0x16), - _INIT_DCS_CMD(0x2E, 0x09), - _INIT_DCS_CMD(0x2F, 0x17), - _INIT_DCS_CMD(0x30, 0x08), - _INIT_DCS_CMD(0x31, 0x18), - _INIT_DCS_CMD(0x32, 0x09), - _INIT_DCS_CMD(0x33, 0x19), - _INIT_DCS_CMD(0x34, 0x09), - _INIT_DCS_CMD(0x35, 0x1A), - _INIT_DCS_CMD(0x36, 0x0A), - _INIT_DCS_CMD(0x37, 0x1B), - _INIT_DCS_CMD(0x38, 0x0A), - _INIT_DCS_CMD(0x39, 0x1C), - _INIT_DCS_CMD(0x3A, 0x0A), - _INIT_DCS_CMD(0x3B, 0x1D), - _INIT_DCS_CMD(0x3C, 0x0A), - _INIT_DCS_CMD(0x3D, 0x1E), - _INIT_DCS_CMD(0x3E, 0x0A), - _INIT_DCS_CMD(0x3F, 0x1F), - - _INIT_DCS_CMD(0xFF, 0x98, 0x82, 0x04), - _INIT_DCS_CMD(0xBA, 0x01), - - _INIT_DCS_CMD(0xFF, 0x98, 0x82, 0x0E), - _INIT_DCS_CMD(0x02, 0x0C), - _INIT_DCS_CMD(0x20, 0x10), - _INIT_DCS_CMD(0x25, 0x16), - _INIT_DCS_CMD(0x26, 0xE0), - _INIT_DCS_CMD(0x27, 0x00), - _INIT_DCS_CMD(0x29, 0x71), - _INIT_DCS_CMD(0x2A, 0x46), - _INIT_DCS_CMD(0x2B, 0x1F), - _INIT_DCS_CMD(0x2D, 0xC7), - _INIT_DCS_CMD(0x31, 0x02), - _INIT_DCS_CMD(0x32, 0xDF), - _INIT_DCS_CMD(0x33, 0x5A), - _INIT_DCS_CMD(0x34, 0xC0), - _INIT_DCS_CMD(0x35, 0x5A), - _INIT_DCS_CMD(0x36, 0xC0), - _INIT_DCS_CMD(0x38, 0x65), - _INIT_DCS_CMD(0x80, 0x3E), - _INIT_DCS_CMD(0x81, 0xA0), - _INIT_DCS_CMD(0xB0, 0x01), - _INIT_DCS_CMD(0xB1, 0xCC), - _INIT_DCS_CMD(0xC0, 0x12), - _INIT_DCS_CMD(0xC2, 0xCC), - _INIT_DCS_CMD(0xC3, 0xCC), - _INIT_DCS_CMD(0xC4, 0xCC), - _INIT_DCS_CMD(0xC5, 0xCC), - _INIT_DCS_CMD(0xC6, 0xCC), - _INIT_DCS_CMD(0xC7, 0xCC), - _INIT_DCS_CMD(0xC8, 0xCC), - _INIT_DCS_CMD(0xC9, 0xCC), - _INIT_DCS_CMD(0x30, 0x00), - _INIT_DCS_CMD(0x00, 0x81), - _INIT_DCS_CMD(0x08, 0x02), - _INIT_DCS_CMD(0x09, 0x00), - _INIT_DCS_CMD(0x07, 0x21), - _INIT_DCS_CMD(0x04, 0x10), - - _INIT_DCS_CMD(0xFF, 0x98, 0x82, 0x1E), - _INIT_DCS_CMD(0x60, 0x00), - _INIT_DCS_CMD(0x64, 0x00), - _INIT_DCS_CMD(0x6D, 0x00), - - _INIT_DCS_CMD(0xFF, 0x98, 0x82, 0x0B), - _INIT_DCS_CMD(0xA6, 0x44), - _INIT_DCS_CMD(0xA7, 0xB6), - _INIT_DCS_CMD(0xA8, 0x03), - _INIT_DCS_CMD(0xA9, 0x03), - _INIT_DCS_CMD(0xAA, 0x51), - _INIT_DCS_CMD(0xAB, 0x51), - _INIT_DCS_CMD(0xAC, 0x04), - _INIT_DCS_CMD(0xBD, 0x92), - _INIT_DCS_CMD(0xBE, 0xA1), - - _INIT_DCS_CMD(0xFF, 0x98, 0x82, 0x05), - _INIT_DCS_CMD(0x86, 0x87), - - _INIT_DCS_CMD(0xFF, 0x98, 0x82, 0x06), - _INIT_DCS_CMD(0x92, 0x22), - - _INIT_DCS_CMD(0xFF, 0x98, 0x82, 0x00), - _INIT_DCS_CMD(0x11), - _INIT_DELAY_CMD(120), - _INIT_DCS_CMD(0x29), - _INIT_DELAY_CMD(20), - {}, -}; - static inline struct boe_panel *to_boe_panel(struct drm_panel *panel) { return container_of(panel, struct boe_panel, base); @@ -2135,34 +1795,6 @@ static const struct panel_desc starry_himax83102_j02_desc = { .lp11_before_reset = true, }; -static const struct drm_display_mode starry_ili9882t_default_mode = { - .clock = 165280, - .hdisplay = 1200, - .hsync_start = 1200 + 72, - .hsync_end = 1200 + 72 + 30, - .htotal = 1200 + 72 + 30 + 72, - .vdisplay = 1920, - .vsync_start = 1920 + 68, - .vsync_end = 1920 + 68 + 2, - .vtotal = 1920 + 68 + 2 + 10, - .type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED, -}; - -static const struct panel_desc starry_ili9882t_desc = { - .modes = &starry_ili9882t_default_mode, - .bpc = 8, - .size = { - .width_mm = 141, - .height_mm = 226, - }, - .lanes = 4, - .format = MIPI_DSI_FMT_RGB888, - .mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE | - MIPI_DSI_MODE_LPM, - .init_cmds = starry_ili9882t_init_cmd, - .lp11_before_reset = true, -}; - static int boe_panel_get_modes(struct drm_panel *panel, struct drm_connector *connector) { @@ -2339,9 +1971,6 @@ static const struct of_device_id boe_of_match[] = { { .compatible = "starry,himax83102-j02", .data = &starry_himax83102_j02_desc }, - { .compatible = "starry,ili9882t", - .data = &starry_ili9882t_desc - }, { /* sentinel */ } }; MODULE_DEVICE_TABLE(of, boe_of_match); diff --git a/drivers/gpu/drm/panel/panel-edp.c b/drivers/gpu/drm/panel/panel-edp.c index 7dc6fb730..cba5a93e6 100644 --- a/drivers/gpu/drm/panel/panel-edp.c +++ b/drivers/gpu/drm/panel/panel-edp.c @@ -203,6 +203,9 @@ struct edp_panel_entry { /** @name: Name of this panel (for printing to logs). */ const char *name; + + /** @override_edid_mode: Override the mode obtained by edid. */ + const struct drm_display_mode *override_edid_mode; }; struct panel_edp { @@ -301,6 +304,24 @@ static unsigned int panel_edp_get_display_modes(struct panel_edp *panel, return num; } +static int panel_edp_override_edid_mode(struct panel_edp *panel, + struct drm_connector *connector, + const struct drm_display_mode *override_mode) +{ + struct drm_display_mode *mode; + + mode = drm_mode_duplicate(connector->dev, override_mode); + if (!mode) { + dev_err(panel->base.dev, "failed to add additional mode\n"); + return 0; + } + + mode->type |= DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED; + drm_mode_set_name(mode); + drm_mode_probed_add(connector, mode); + return 1; +} + static int panel_edp_get_non_edid_modes(struct panel_edp *panel, struct drm_connector *connector) { @@ -568,6 +589,9 @@ static int panel_edp_get_modes(struct drm_panel *panel, { struct panel_edp *p = to_panel_edp(panel); int num = 0; + bool has_override_edid_mode = p->detected_panel && + p->detected_panel != ERR_PTR(-EINVAL) && + p->detected_panel->override_edid_mode; /* probe EDID if a DDC bus is available */ if (p->ddc) { @@ -575,9 +599,18 @@ static int panel_edp_get_modes(struct drm_panel *panel, if (!p->edid) p->edid = drm_get_edid(connector, p->ddc); - - if (p->edid) - num += drm_add_edid_modes(connector, p->edid); + if (p->edid) { + if (has_override_edid_mode) { + /* + * override_edid_mode is specified. Use + * override_edid_mode instead of from edid. + */ + num += panel_edp_override_edid_mode(p, connector, + p->detected_panel->override_edid_mode); + } else { + num += drm_add_edid_modes(connector, p->edid); + } + } pm_runtime_mark_last_busy(panel->dev); pm_runtime_put_autosuspend(panel->dev); @@ -1830,6 +1863,15 @@ static const struct panel_delay delay_200_500_e200 = { .delay = _delay \ } +#define EDP_PANEL_ENTRY2(vend_chr_0, vend_chr_1, vend_chr_2, product_id, _delay, _name, _mode) \ +{ \ + .name = _name, \ + .panel_id = drm_edid_encode_panel_id(vend_chr_0, vend_chr_1, vend_chr_2, \ + product_id), \ + .delay = _delay, \ + .override_edid_mode = _mode \ +} + /* * This table is used to figure out power sequencing delays for panels that * are detected by EDID. Entries here may point to entries in the diff --git a/drivers/gpu/drm/panel/panel-ilitek-ili9322.c b/drivers/gpu/drm/panel/panel-ilitek-ili9322.c index 61c872f0f..4a6dcfd78 100644 --- a/drivers/gpu/drm/panel/panel-ilitek-ili9322.c +++ b/drivers/gpu/drm/panel/panel-ilitek-ili9322.c @@ -325,11 +325,6 @@ static struct regmap_bus ili9322_regmap_bus = { .val_format_endian_default = REGMAP_ENDIAN_BIG, }; -static bool ili9322_volatile_reg(struct device *dev, unsigned int reg) -{ - return false; -} - static bool ili9322_writeable_reg(struct device *dev, unsigned int reg) { /* Just register 0 is read-only */ @@ -342,8 +337,7 @@ static const struct regmap_config ili9322_regmap_config = { .reg_bits = 8, .val_bits = 8, .max_register = 0x44, - .cache_type = REGCACHE_RBTREE, - .volatile_reg = ili9322_volatile_reg, + .cache_type = REGCACHE_MAPLE, .writeable_reg = ili9322_writeable_reg, }; diff --git a/drivers/gpu/drm/panel/panel-ilitek-ili9882t.c b/drivers/gpu/drm/panel/panel-ilitek-ili9882t.c new file mode 100644 index 000000000..267a53070 --- /dev/null +++ b/drivers/gpu/drm/panel/panel-ilitek-ili9882t.c @@ -0,0 +1,779 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Panels based on the Ilitek ILI9882T display controller. + */ +#include <linux/delay.h> +#include <linux/gpio/consumer.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/regulator/consumer.h> + +#include <drm/drm_connector.h> +#include <drm/drm_crtc.h> +#include <drm/drm_mipi_dsi.h> +#include <drm/drm_panel.h> + +#include <video/mipi_display.h> + +/* + * Use this descriptor struct to describe different panels using the + * Ilitek ILI9882T display controller. + */ +struct panel_desc { + const struct drm_display_mode *modes; + unsigned int bpc; + + /** + * @width_mm: width of the panel's active display area + * @height_mm: height of the panel's active display area + */ + struct { + unsigned int width_mm; + unsigned int height_mm; + } size; + + unsigned long mode_flags; + enum mipi_dsi_pixel_format format; + const struct panel_init_cmd *init_cmds; + unsigned int lanes; +}; + +struct ili9882t { + struct drm_panel base; + struct mipi_dsi_device *dsi; + + const struct panel_desc *desc; + + enum drm_panel_orientation orientation; + struct regulator *pp3300; + struct regulator *pp1800; + struct regulator *avee; + struct regulator *avdd; + struct gpio_desc *enable_gpio; +}; + +enum dsi_cmd_type { + INIT_DCS_CMD, + DELAY_CMD, +}; + +struct panel_init_cmd { + enum dsi_cmd_type type; + size_t len; + const char *data; +}; + +#define _INIT_DCS_CMD(...) { \ + .type = INIT_DCS_CMD, \ + .len = sizeof((char[]){__VA_ARGS__}), \ + .data = (char[]){__VA_ARGS__} } + +#define _INIT_DELAY_CMD(...) { \ + .type = DELAY_CMD,\ + .len = sizeof((char[]){__VA_ARGS__}), \ + .data = (char[]){__VA_ARGS__} } + +/* ILI9882-specific commands, add new commands as you decode them */ +#define ILI9882T_DCS_SWITCH_PAGE 0xFF + +#define _INIT_SWITCH_PAGE_CMD(page) \ + _INIT_DCS_CMD(ILI9882T_DCS_SWITCH_PAGE, 0x98, 0x82, (page)) + +static const struct panel_init_cmd starry_ili9882t_init_cmd[] = { + _INIT_DELAY_CMD(5), + _INIT_SWITCH_PAGE_CMD(0x01), + _INIT_DCS_CMD(0x00, 0x42), + _INIT_DCS_CMD(0x01, 0x11), + _INIT_DCS_CMD(0x02, 0x00), + _INIT_DCS_CMD(0x03, 0x00), + + _INIT_DCS_CMD(0x04, 0x01), + _INIT_DCS_CMD(0x05, 0x11), + _INIT_DCS_CMD(0x06, 0x00), + _INIT_DCS_CMD(0x07, 0x00), + + _INIT_DCS_CMD(0x08, 0x80), + _INIT_DCS_CMD(0x09, 0x81), + _INIT_DCS_CMD(0x0A, 0x71), + _INIT_DCS_CMD(0x0B, 0x00), + + _INIT_DCS_CMD(0x0C, 0x00), + _INIT_DCS_CMD(0x0E, 0x1A), + + _INIT_DCS_CMD(0x24, 0x00), + _INIT_DCS_CMD(0x25, 0x00), + _INIT_DCS_CMD(0x26, 0x00), + _INIT_DCS_CMD(0x27, 0x00), + + _INIT_DCS_CMD(0x2C, 0xD4), + _INIT_DCS_CMD(0xB9, 0x40), + + _INIT_DCS_CMD(0xB0, 0x11), + + _INIT_DCS_CMD(0xE6, 0x32), + _INIT_DCS_CMD(0xD1, 0x30), + + _INIT_DCS_CMD(0xD6, 0x55), + + _INIT_DCS_CMD(0xD0, 0x01), + _INIT_DCS_CMD(0xE3, 0x93), + _INIT_DCS_CMD(0xE4, 0x00), + _INIT_DCS_CMD(0xE5, 0x80), + + _INIT_DCS_CMD(0x31, 0x07), + _INIT_DCS_CMD(0x32, 0x07), + _INIT_DCS_CMD(0x33, 0x07), + _INIT_DCS_CMD(0x34, 0x07), + _INIT_DCS_CMD(0x35, 0x07), + _INIT_DCS_CMD(0x36, 0x01), + _INIT_DCS_CMD(0x37, 0x00), + _INIT_DCS_CMD(0x38, 0x28), + _INIT_DCS_CMD(0x39, 0x29), + _INIT_DCS_CMD(0x3A, 0x11), + _INIT_DCS_CMD(0x3B, 0x13), + _INIT_DCS_CMD(0x3C, 0x15), + _INIT_DCS_CMD(0x3D, 0x17), + _INIT_DCS_CMD(0x3E, 0x09), + _INIT_DCS_CMD(0x3F, 0x0D), + _INIT_DCS_CMD(0x40, 0x02), + _INIT_DCS_CMD(0x41, 0x02), + _INIT_DCS_CMD(0x42, 0x02), + _INIT_DCS_CMD(0x43, 0x02), + _INIT_DCS_CMD(0x44, 0x02), + _INIT_DCS_CMD(0x45, 0x02), + _INIT_DCS_CMD(0x46, 0x02), + + _INIT_DCS_CMD(0x47, 0x07), + _INIT_DCS_CMD(0x48, 0x07), + _INIT_DCS_CMD(0x49, 0x07), + _INIT_DCS_CMD(0x4A, 0x07), + _INIT_DCS_CMD(0x4B, 0x07), + _INIT_DCS_CMD(0x4C, 0x01), + _INIT_DCS_CMD(0x4D, 0x00), + _INIT_DCS_CMD(0x4E, 0x28), + _INIT_DCS_CMD(0x4F, 0x29), + _INIT_DCS_CMD(0x50, 0x10), + _INIT_DCS_CMD(0x51, 0x12), + _INIT_DCS_CMD(0x52, 0x14), + _INIT_DCS_CMD(0x53, 0x16), + _INIT_DCS_CMD(0x54, 0x08), + _INIT_DCS_CMD(0x55, 0x0C), + _INIT_DCS_CMD(0x56, 0x02), + _INIT_DCS_CMD(0x57, 0x02), + _INIT_DCS_CMD(0x58, 0x02), + _INIT_DCS_CMD(0x59, 0x02), + _INIT_DCS_CMD(0x5A, 0x02), + _INIT_DCS_CMD(0x5B, 0x02), + _INIT_DCS_CMD(0x5C, 0x02), + + _INIT_DCS_CMD(0x61, 0x07), + _INIT_DCS_CMD(0x62, 0x07), + _INIT_DCS_CMD(0x63, 0x07), + _INIT_DCS_CMD(0x64, 0x07), + _INIT_DCS_CMD(0x65, 0x07), + _INIT_DCS_CMD(0x66, 0x01), + _INIT_DCS_CMD(0x67, 0x00), + _INIT_DCS_CMD(0x68, 0x28), + _INIT_DCS_CMD(0x69, 0x29), + _INIT_DCS_CMD(0x6A, 0x16), + _INIT_DCS_CMD(0x6B, 0x14), + _INIT_DCS_CMD(0x6C, 0x12), + _INIT_DCS_CMD(0x6D, 0x10), + _INIT_DCS_CMD(0x6E, 0x0C), + _INIT_DCS_CMD(0x6F, 0x08), + _INIT_DCS_CMD(0x70, 0x02), + _INIT_DCS_CMD(0x71, 0x02), + _INIT_DCS_CMD(0x72, 0x02), + _INIT_DCS_CMD(0x73, 0x02), + _INIT_DCS_CMD(0x74, 0x02), + _INIT_DCS_CMD(0x75, 0x02), + _INIT_DCS_CMD(0x76, 0x02), + + _INIT_DCS_CMD(0x77, 0x07), + _INIT_DCS_CMD(0x78, 0x07), + _INIT_DCS_CMD(0x79, 0x07), + _INIT_DCS_CMD(0x7A, 0x07), + _INIT_DCS_CMD(0x7B, 0x07), + _INIT_DCS_CMD(0x7C, 0x01), + _INIT_DCS_CMD(0x7D, 0x00), + _INIT_DCS_CMD(0x7E, 0x28), + _INIT_DCS_CMD(0x7F, 0x29), + _INIT_DCS_CMD(0x80, 0x17), + _INIT_DCS_CMD(0x81, 0x15), + _INIT_DCS_CMD(0x82, 0x13), + _INIT_DCS_CMD(0x83, 0x11), + _INIT_DCS_CMD(0x84, 0x0D), + _INIT_DCS_CMD(0x85, 0x09), + _INIT_DCS_CMD(0x86, 0x02), + _INIT_DCS_CMD(0x87, 0x07), + _INIT_DCS_CMD(0x88, 0x07), + _INIT_DCS_CMD(0x89, 0x07), + _INIT_DCS_CMD(0x8A, 0x07), + _INIT_DCS_CMD(0x8B, 0x07), + _INIT_DCS_CMD(0x8C, 0x07), + + _INIT_SWITCH_PAGE_CMD(0x02), + _INIT_DCS_CMD(0x29, 0x3A), + _INIT_DCS_CMD(0x2A, 0x3B), + + _INIT_DCS_CMD(0x06, 0x01), + _INIT_DCS_CMD(0x07, 0x01), + _INIT_DCS_CMD(0x08, 0x0C), + _INIT_DCS_CMD(0x09, 0x44), + + _INIT_DCS_CMD(0x3C, 0x0A), + _INIT_DCS_CMD(0x39, 0x11), + _INIT_DCS_CMD(0x3D, 0x00), + _INIT_DCS_CMD(0x3A, 0x0C), + _INIT_DCS_CMD(0x3B, 0x44), + + _INIT_DCS_CMD(0x53, 0x1F), + _INIT_DCS_CMD(0x5E, 0x40), + _INIT_DCS_CMD(0x84, 0x00), + + _INIT_SWITCH_PAGE_CMD(0x03), + _INIT_DCS_CMD(0x20, 0x01), + _INIT_DCS_CMD(0x21, 0x3C), + _INIT_DCS_CMD(0x22, 0xFA), + + _INIT_SWITCH_PAGE_CMD(0x0A), + _INIT_DCS_CMD(0xE0, 0x01), + _INIT_DCS_CMD(0xE2, 0x01), + _INIT_DCS_CMD(0xE5, 0x91), + _INIT_DCS_CMD(0xE6, 0x3C), + _INIT_DCS_CMD(0xE7, 0x00), + _INIT_DCS_CMD(0xE8, 0xFA), + + _INIT_SWITCH_PAGE_CMD(0x12), + _INIT_DCS_CMD(0x87, 0x2C), + + _INIT_SWITCH_PAGE_CMD(0x05), + _INIT_DCS_CMD(0x73, 0xE5), + _INIT_DCS_CMD(0x7F, 0x6B), + _INIT_DCS_CMD(0x6D, 0xA4), + _INIT_DCS_CMD(0x79, 0x54), + _INIT_DCS_CMD(0x69, 0x97), + _INIT_DCS_CMD(0x6A, 0x97), + _INIT_DCS_CMD(0xA5, 0x3F), + _INIT_DCS_CMD(0x61, 0xDA), + _INIT_DCS_CMD(0xA7, 0xF1), + _INIT_DCS_CMD(0x5F, 0x01), + _INIT_DCS_CMD(0x62, 0x3F), + _INIT_DCS_CMD(0x1D, 0x90), + _INIT_DCS_CMD(0x86, 0x87), + + _INIT_SWITCH_PAGE_CMD(0x06), + _INIT_DCS_CMD(0xC0, 0x80), + _INIT_DCS_CMD(0xC1, 0x07), + _INIT_DCS_CMD(0xCA, 0x58), + _INIT_DCS_CMD(0xCB, 0x02), + _INIT_DCS_CMD(0xCE, 0x58), + _INIT_DCS_CMD(0xCF, 0x02), + _INIT_DCS_CMD(0x67, 0x60), + _INIT_DCS_CMD(0x10, 0x00), + _INIT_DCS_CMD(0x92, 0x22), + _INIT_DCS_CMD(0xD3, 0x08), + _INIT_DCS_CMD(0xD6, 0x55), + _INIT_DCS_CMD(0xDC, 0x38), + + _INIT_SWITCH_PAGE_CMD(0x08), + _INIT_DCS_CMD(0xE0, 0x00, 0x10, 0x2A, 0x4D, 0x61, 0x56, 0x6A, 0x6E, 0x79, 0x76, 0x8F, 0x95, 0x98, 0xAE, 0xAA, 0xB2, 0xBB, 0xCE, 0xC6, 0xBD, 0xD5, 0xE2, 0xE8), + _INIT_DCS_CMD(0xE1, 0x00, 0x10, 0x2A, 0x4D, 0x61, 0x56, 0x6A, 0x6E, 0x79, 0x76, 0x8F, 0x95, 0x98, 0xAE, 0xAA, 0xB2, 0xBB, 0xCE, 0xC6, 0xBD, 0xD5, 0xE2, 0xE8), + + _INIT_SWITCH_PAGE_CMD(0x04), + _INIT_DCS_CMD(0xBA, 0x81), + + _INIT_SWITCH_PAGE_CMD(0x0C), + _INIT_DCS_CMD(0x00, 0x02), + _INIT_DCS_CMD(0x01, 0x00), + _INIT_DCS_CMD(0x02, 0x03), + _INIT_DCS_CMD(0x03, 0x01), + _INIT_DCS_CMD(0x04, 0x03), + _INIT_DCS_CMD(0x05, 0x02), + _INIT_DCS_CMD(0x06, 0x04), + _INIT_DCS_CMD(0x07, 0x03), + _INIT_DCS_CMD(0x08, 0x03), + _INIT_DCS_CMD(0x09, 0x04), + _INIT_DCS_CMD(0x0A, 0x04), + _INIT_DCS_CMD(0x0B, 0x05), + _INIT_DCS_CMD(0x0C, 0x04), + _INIT_DCS_CMD(0x0D, 0x06), + _INIT_DCS_CMD(0x0E, 0x05), + _INIT_DCS_CMD(0x0F, 0x07), + _INIT_DCS_CMD(0x10, 0x04), + _INIT_DCS_CMD(0x11, 0x08), + _INIT_DCS_CMD(0x12, 0x05), + _INIT_DCS_CMD(0x13, 0x09), + _INIT_DCS_CMD(0x14, 0x05), + _INIT_DCS_CMD(0x15, 0x0A), + _INIT_DCS_CMD(0x16, 0x06), + _INIT_DCS_CMD(0x17, 0x0B), + _INIT_DCS_CMD(0x18, 0x05), + _INIT_DCS_CMD(0x19, 0x0C), + _INIT_DCS_CMD(0x1A, 0x06), + _INIT_DCS_CMD(0x1B, 0x0D), + _INIT_DCS_CMD(0x1C, 0x06), + _INIT_DCS_CMD(0x1D, 0x0E), + _INIT_DCS_CMD(0x1E, 0x07), + _INIT_DCS_CMD(0x1F, 0x0F), + _INIT_DCS_CMD(0x20, 0x06), + _INIT_DCS_CMD(0x21, 0x10), + _INIT_DCS_CMD(0x22, 0x07), + _INIT_DCS_CMD(0x23, 0x11), + _INIT_DCS_CMD(0x24, 0x07), + _INIT_DCS_CMD(0x25, 0x12), + _INIT_DCS_CMD(0x26, 0x08), + _INIT_DCS_CMD(0x27, 0x13), + _INIT_DCS_CMD(0x28, 0x07), + _INIT_DCS_CMD(0x29, 0x14), + _INIT_DCS_CMD(0x2A, 0x08), + _INIT_DCS_CMD(0x2B, 0x15), + _INIT_DCS_CMD(0x2C, 0x08), + _INIT_DCS_CMD(0x2D, 0x16), + _INIT_DCS_CMD(0x2E, 0x09), + _INIT_DCS_CMD(0x2F, 0x17), + _INIT_DCS_CMD(0x30, 0x08), + _INIT_DCS_CMD(0x31, 0x18), + _INIT_DCS_CMD(0x32, 0x09), + _INIT_DCS_CMD(0x33, 0x19), + _INIT_DCS_CMD(0x34, 0x09), + _INIT_DCS_CMD(0x35, 0x1A), + _INIT_DCS_CMD(0x36, 0x0A), + _INIT_DCS_CMD(0x37, 0x1B), + _INIT_DCS_CMD(0x38, 0x0A), + _INIT_DCS_CMD(0x39, 0x1C), + _INIT_DCS_CMD(0x3A, 0x0A), + _INIT_DCS_CMD(0x3B, 0x1D), + _INIT_DCS_CMD(0x3C, 0x0A), + _INIT_DCS_CMD(0x3D, 0x1E), + _INIT_DCS_CMD(0x3E, 0x0A), + _INIT_DCS_CMD(0x3F, 0x1F), + + _INIT_SWITCH_PAGE_CMD(0x04), + _INIT_DCS_CMD(0xBA, 0x01), + + _INIT_SWITCH_PAGE_CMD(0x0E), + _INIT_DCS_CMD(0x02, 0x0C), + _INIT_DCS_CMD(0x20, 0x10), + _INIT_DCS_CMD(0x25, 0x16), + _INIT_DCS_CMD(0x26, 0xE0), + _INIT_DCS_CMD(0x27, 0x00), + _INIT_DCS_CMD(0x29, 0x71), + _INIT_DCS_CMD(0x2A, 0x46), + _INIT_DCS_CMD(0x2B, 0x1F), + _INIT_DCS_CMD(0x2D, 0xC7), + _INIT_DCS_CMD(0x31, 0x02), + _INIT_DCS_CMD(0x32, 0xDF), + _INIT_DCS_CMD(0x33, 0x5A), + _INIT_DCS_CMD(0x34, 0xC0), + _INIT_DCS_CMD(0x35, 0x5A), + _INIT_DCS_CMD(0x36, 0xC0), + _INIT_DCS_CMD(0x38, 0x65), + _INIT_DCS_CMD(0x80, 0x3E), + _INIT_DCS_CMD(0x81, 0xA0), + _INIT_DCS_CMD(0xB0, 0x01), + _INIT_DCS_CMD(0xB1, 0xCC), + _INIT_DCS_CMD(0xC0, 0x12), + _INIT_DCS_CMD(0xC2, 0xCC), + _INIT_DCS_CMD(0xC3, 0xCC), + _INIT_DCS_CMD(0xC4, 0xCC), + _INIT_DCS_CMD(0xC5, 0xCC), + _INIT_DCS_CMD(0xC6, 0xCC), + _INIT_DCS_CMD(0xC7, 0xCC), + _INIT_DCS_CMD(0xC8, 0xCC), + _INIT_DCS_CMD(0xC9, 0xCC), + _INIT_DCS_CMD(0x30, 0x00), + _INIT_DCS_CMD(0x00, 0x81), + _INIT_DCS_CMD(0x08, 0x02), + _INIT_DCS_CMD(0x09, 0x00), + _INIT_DCS_CMD(0x07, 0x21), + _INIT_DCS_CMD(0x04, 0x10), + + _INIT_SWITCH_PAGE_CMD(0x1E), + _INIT_DCS_CMD(0x60, 0x00), + _INIT_DCS_CMD(0x64, 0x00), + _INIT_DCS_CMD(0x6D, 0x00), + + _INIT_SWITCH_PAGE_CMD(0x0B), + _INIT_DCS_CMD(0xA6, 0x44), + _INIT_DCS_CMD(0xA7, 0xB6), + _INIT_DCS_CMD(0xA8, 0x03), + _INIT_DCS_CMD(0xA9, 0x03), + _INIT_DCS_CMD(0xAA, 0x51), + _INIT_DCS_CMD(0xAB, 0x51), + _INIT_DCS_CMD(0xAC, 0x04), + _INIT_DCS_CMD(0xBD, 0x92), + _INIT_DCS_CMD(0xBE, 0xA1), + + _INIT_SWITCH_PAGE_CMD(0x05), + _INIT_DCS_CMD(0x86, 0x87), + + _INIT_SWITCH_PAGE_CMD(0x06), + _INIT_DCS_CMD(0x92, 0x22), + + _INIT_SWITCH_PAGE_CMD(0x00), + _INIT_DCS_CMD(MIPI_DCS_EXIT_SLEEP_MODE), + _INIT_DELAY_CMD(120), + _INIT_DCS_CMD(MIPI_DCS_SET_DISPLAY_ON), + _INIT_DELAY_CMD(20), + {}, +}; + +static inline struct ili9882t *to_ili9882t(struct drm_panel *panel) +{ + return container_of(panel, struct ili9882t, base); +} + +static int ili9882t_init_dcs_cmd(struct ili9882t *ili) +{ + struct mipi_dsi_device *dsi = ili->dsi; + struct drm_panel *panel = &ili->base; + int i, err = 0; + + if (ili->desc->init_cmds) { + const struct panel_init_cmd *init_cmds = ili->desc->init_cmds; + + for (i = 0; init_cmds[i].len != 0; i++) { + const struct panel_init_cmd *cmd = &init_cmds[i]; + + switch (cmd->type) { + case DELAY_CMD: + msleep(cmd->data[0]); + err = 0; + break; + + case INIT_DCS_CMD: + err = mipi_dsi_dcs_write(dsi, cmd->data[0], + cmd->len <= 1 ? NULL : + &cmd->data[1], + cmd->len - 1); + break; + + default: + err = -EINVAL; + } + + if (err < 0) { + dev_err(panel->dev, + "failed to write command %u\n", i); + return err; + } + } + } + return 0; +} + +static int ili9882t_switch_page(struct mipi_dsi_device *dsi, u8 page) +{ + int ret; + const struct panel_init_cmd cmd = _INIT_SWITCH_PAGE_CMD(page); + + ret = mipi_dsi_dcs_write(dsi, cmd.data[0], + cmd.len <= 1 ? NULL : + &cmd.data[1], + cmd.len - 1); + if (ret) { + dev_err(&dsi->dev, + "error switching panel controller page (%d)\n", ret); + return ret; + } + + return 0; +} + +static int ili9882t_enter_sleep_mode(struct ili9882t *ili) +{ + struct mipi_dsi_device *dsi = ili->dsi; + int ret; + + dsi->mode_flags &= ~MIPI_DSI_MODE_LPM; + + ret = mipi_dsi_dcs_set_display_off(dsi); + if (ret < 0) + return ret; + + ret = mipi_dsi_dcs_enter_sleep_mode(dsi); + if (ret < 0) + return ret; + + return 0; +} + +static int ili9882t_disable(struct drm_panel *panel) +{ + struct ili9882t *ili = to_ili9882t(panel); + struct mipi_dsi_device *dsi = ili->dsi; + int ret; + + ili9882t_switch_page(dsi, 0x00); + ret = ili9882t_enter_sleep_mode(ili); + if (ret < 0) { + dev_err(panel->dev, "failed to set panel off: %d\n", ret); + return ret; + } + + msleep(150); + + return 0; +} + +static int ili9882t_unprepare(struct drm_panel *panel) +{ + struct ili9882t *ili = to_ili9882t(panel); + + gpiod_set_value(ili->enable_gpio, 0); + usleep_range(1000, 2000); + regulator_disable(ili->avee); + regulator_disable(ili->avdd); + usleep_range(5000, 7000); + regulator_disable(ili->pp1800); + regulator_disable(ili->pp3300); + + return 0; +} + +static int ili9882t_prepare(struct drm_panel *panel) +{ + struct ili9882t *ili = to_ili9882t(panel); + int ret; + + gpiod_set_value(ili->enable_gpio, 0); + usleep_range(1000, 1500); + + ret = regulator_enable(ili->pp3300); + if (ret < 0) + return ret; + + ret = regulator_enable(ili->pp1800); + if (ret < 0) + return ret; + + usleep_range(3000, 5000); + + ret = regulator_enable(ili->avdd); + if (ret < 0) + goto poweroff1v8; + ret = regulator_enable(ili->avee); + if (ret < 0) + goto poweroffavdd; + + usleep_range(10000, 11000); + + // MIPI needs to keep the LP11 state before the lcm_reset pin is pulled high + mipi_dsi_dcs_nop(ili->dsi); + usleep_range(1000, 2000); + + gpiod_set_value(ili->enable_gpio, 1); + usleep_range(1000, 2000); + gpiod_set_value(ili->enable_gpio, 0); + msleep(50); + gpiod_set_value(ili->enable_gpio, 1); + usleep_range(6000, 10000); + + ret = ili9882t_init_dcs_cmd(ili); + if (ret < 0) { + dev_err(panel->dev, "failed to init panel: %d\n", ret); + goto poweroff; + } + + return 0; + +poweroff: + regulator_disable(ili->avee); +poweroffavdd: + regulator_disable(ili->avdd); +poweroff1v8: + usleep_range(5000, 7000); + regulator_disable(ili->pp1800); + gpiod_set_value(ili->enable_gpio, 0); + + return ret; +} + +static int ili9882t_enable(struct drm_panel *panel) +{ + msleep(130); + return 0; +} + +static const struct drm_display_mode starry_ili9882t_default_mode = { + .clock = 165280, + .hdisplay = 1200, + .hsync_start = 1200 + 72, + .hsync_end = 1200 + 72 + 30, + .htotal = 1200 + 72 + 30 + 72, + .vdisplay = 1920, + .vsync_start = 1920 + 68, + .vsync_end = 1920 + 68 + 2, + .vtotal = 1920 + 68 + 2 + 10, + .type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED, +}; + +static const struct panel_desc starry_ili9882t_desc = { + .modes = &starry_ili9882t_default_mode, + .bpc = 8, + .size = { + .width_mm = 141, + .height_mm = 226, + }, + .lanes = 4, + .format = MIPI_DSI_FMT_RGB888, + .mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE | + MIPI_DSI_MODE_LPM, + .init_cmds = starry_ili9882t_init_cmd, +}; + +static int ili9882t_get_modes(struct drm_panel *panel, + struct drm_connector *connector) +{ + struct ili9882t *ili = to_ili9882t(panel); + const struct drm_display_mode *m = ili->desc->modes; + struct drm_display_mode *mode; + + mode = drm_mode_duplicate(connector->dev, m); + if (!mode) { + dev_err(panel->dev, "failed to add mode %ux%u@%u\n", + m->hdisplay, m->vdisplay, drm_mode_vrefresh(m)); + return -ENOMEM; + } + + mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED; + drm_mode_set_name(mode); + drm_mode_probed_add(connector, mode); + + connector->display_info.width_mm = ili->desc->size.width_mm; + connector->display_info.height_mm = ili->desc->size.height_mm; + connector->display_info.bpc = ili->desc->bpc; + + return 1; +} + +static enum drm_panel_orientation ili9882t_get_orientation(struct drm_panel *panel) +{ + struct ili9882t *ili = to_ili9882t(panel); + + return ili->orientation; +} + +static const struct drm_panel_funcs ili9882t_funcs = { + .disable = ili9882t_disable, + .unprepare = ili9882t_unprepare, + .prepare = ili9882t_prepare, + .enable = ili9882t_enable, + .get_modes = ili9882t_get_modes, + .get_orientation = ili9882t_get_orientation, +}; + +static int ili9882t_add(struct ili9882t *ili) +{ + struct device *dev = &ili->dsi->dev; + int err; + + ili->avdd = devm_regulator_get(dev, "avdd"); + if (IS_ERR(ili->avdd)) + return PTR_ERR(ili->avdd); + + ili->avee = devm_regulator_get(dev, "avee"); + if (IS_ERR(ili->avee)) + return PTR_ERR(ili->avee); + + ili->pp3300 = devm_regulator_get(dev, "pp3300"); + if (IS_ERR(ili->pp3300)) + return PTR_ERR(ili->pp3300); + + ili->pp1800 = devm_regulator_get(dev, "pp1800"); + if (IS_ERR(ili->pp1800)) + return PTR_ERR(ili->pp1800); + + ili->enable_gpio = devm_gpiod_get(dev, "enable", GPIOD_OUT_LOW); + if (IS_ERR(ili->enable_gpio)) { + dev_err(dev, "cannot get reset-gpios %ld\n", + PTR_ERR(ili->enable_gpio)); + return PTR_ERR(ili->enable_gpio); + } + + gpiod_set_value(ili->enable_gpio, 0); + + drm_panel_init(&ili->base, dev, &ili9882t_funcs, + DRM_MODE_CONNECTOR_DSI); + err = of_drm_get_panel_orientation(dev->of_node, &ili->orientation); + if (err < 0) { + dev_err(dev, "%pOF: failed to get orientation %d\n", dev->of_node, err); + return err; + } + + err = drm_panel_of_backlight(&ili->base); + if (err) + return err; + + ili->base.funcs = &ili9882t_funcs; + ili->base.dev = &ili->dsi->dev; + + drm_panel_add(&ili->base); + + return 0; +} + +static int ili9882t_probe(struct mipi_dsi_device *dsi) +{ + struct ili9882t *ili; + int ret; + const struct panel_desc *desc; + + ili = devm_kzalloc(&dsi->dev, sizeof(*ili), GFP_KERNEL); + if (!ili) + return -ENOMEM; + + desc = of_device_get_match_data(&dsi->dev); + dsi->lanes = desc->lanes; + dsi->format = desc->format; + dsi->mode_flags = desc->mode_flags; + ili->desc = desc; + ili->dsi = dsi; + ret = ili9882t_add(ili); + if (ret < 0) + return ret; + + mipi_dsi_set_drvdata(dsi, ili); + + ret = mipi_dsi_attach(dsi); + if (ret) + drm_panel_remove(&ili->base); + + return ret; +} + +static void ili9882t_remove(struct mipi_dsi_device *dsi) +{ + struct ili9882t *ili = mipi_dsi_get_drvdata(dsi); + int ret; + + ret = mipi_dsi_detach(dsi); + if (ret < 0) + dev_err(&dsi->dev, "failed to detach from DSI host: %d\n", ret); + + if (ili->base.dev) + drm_panel_remove(&ili->base); +} + +static const struct of_device_id ili9882t_of_match[] = { + { .compatible = "starry,ili9882t", + .data = &starry_ili9882t_desc + }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, ili9882t_of_match); + +static struct mipi_dsi_driver ili9882t_driver = { + .driver = { + .name = "panel-ili9882t", + .of_match_table = ili9882t_of_match, + }, + .probe = ili9882t_probe, + .remove = ili9882t_remove, +}; +module_mipi_dsi_driver(ili9882t_driver); + +MODULE_AUTHOR("Linus Walleij <linus.walleij@linaro.org>"); +MODULE_DESCRIPTION("Ilitek ILI9882T-based panels driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/gpu/drm/panel/panel-jdi-fhd-r63452.c b/drivers/gpu/drm/panel/panel-jdi-fhd-r63452.c index 8912757a6..3e0a8e0d5 100644 --- a/drivers/gpu/drm/panel/panel-jdi-fhd-r63452.c +++ b/drivers/gpu/drm/panel/panel-jdi-fhd-r63452.c @@ -21,7 +21,6 @@ struct jdi_fhd_r63452 { struct drm_panel panel; struct mipi_dsi_device *dsi; struct gpio_desc *reset_gpio; - bool prepared; }; static inline struct jdi_fhd_r63452 *to_jdi_fhd_r63452(struct drm_panel *panel) @@ -157,9 +156,6 @@ static int jdi_fhd_r63452_prepare(struct drm_panel *panel) struct device *dev = &ctx->dsi->dev; int ret; - if (ctx->prepared) - return 0; - jdi_fhd_r63452_reset(ctx); ret = jdi_fhd_r63452_on(ctx); @@ -169,7 +165,6 @@ static int jdi_fhd_r63452_prepare(struct drm_panel *panel) return ret; } - ctx->prepared = true; return 0; } @@ -179,16 +174,12 @@ static int jdi_fhd_r63452_unprepare(struct drm_panel *panel) struct device *dev = &ctx->dsi->dev; int ret; - if (!ctx->prepared) - return 0; - ret = jdi_fhd_r63452_off(ctx); if (ret < 0) dev_err(dev, "Failed to un-initialize panel: %d\n", ret); gpiod_set_value_cansleep(ctx->reset_gpio, 1); - ctx->prepared = false; return 0; } diff --git a/drivers/gpu/drm/panel/panel-jdi-lpm102a188a.c b/drivers/gpu/drm/panel/panel-jdi-lpm102a188a.c new file mode 100644 index 000000000..5b5082efb --- /dev/null +++ b/drivers/gpu/drm/panel/panel-jdi-lpm102a188a.c @@ -0,0 +1,551 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (C) 2014 Google, Inc. + * + * Copyright (C) 2022 Diogo Ivo <diogo.ivo@tecnico.ulisboa.pt> + * + * Adapted from the downstream Pixel C driver written by Sean Paul + */ + +#include <linux/backlight.h> +#include <linux/delay.h> +#include <linux/gpio/consumer.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/regulator/consumer.h> + +#include <video/mipi_display.h> + +#include <drm/drm_crtc.h> +#include <drm/drm_mipi_dsi.h> +#include <drm/drm_panel.h> + +#define MCS_CMD_ACS_PROT 0xB0 +#define MCS_CMD_ACS_PROT_OFF (0 << 0) + +#define MCS_PWR_CTRL_FUNC 0xD0 +#define MCS_PWR_CTRL_PARAM1_DEFAULT (2 << 0) +#define MCS_PWR_CTRL_PARAM1_VGH_210_DIV (1 << 4) +#define MCS_PWR_CTRL_PARAM1_VGH_240_DIV (2 << 4) +#define MCS_PWR_CTRL_PARAM1_VGH_280_DIV (3 << 4) +#define MCS_PWR_CTRL_PARAM1_VGH_330_DIV (4 << 4) +#define MCS_PWR_CTRL_PARAM1_VGH_410_DIV (5 << 4) +#define MCS_PWR_CTRL_PARAM2_DEFAULT (9 << 4) +#define MCS_PWR_CTRL_PARAM2_VGL_210_DIV (1 << 0) +#define MCS_PWR_CTRL_PARAM2_VGL_240_DIV (2 << 0) +#define MCS_PWR_CTRL_PARAM2_VGL_280_DIV (3 << 0) +#define MCS_PWR_CTRL_PARAM2_VGL_330_DIV (4 << 0) +#define MCS_PWR_CTRL_PARAM2_VGL_410_DIV (5 << 0) + +struct jdi_panel { + struct drm_panel base; + struct mipi_dsi_device *link1; + struct mipi_dsi_device *link2; + + struct regulator *supply; + struct regulator *ddi_supply; + struct backlight_device *backlight; + + struct gpio_desc *enable_gpio; + struct gpio_desc *reset_gpio; + + const struct drm_display_mode *mode; +}; + +static inline struct jdi_panel *to_panel_jdi(struct drm_panel *panel) +{ + return container_of(panel, struct jdi_panel, base); +} + +static void jdi_wait_frames(struct jdi_panel *jdi, unsigned int frames) +{ + unsigned int refresh = drm_mode_vrefresh(jdi->mode); + + if (WARN_ON(frames > refresh)) + return; + + msleep(1000 / (refresh / frames)); +} + +static int jdi_panel_disable(struct drm_panel *panel) +{ + struct jdi_panel *jdi = to_panel_jdi(panel); + + backlight_disable(jdi->backlight); + + jdi_wait_frames(jdi, 2); + + return 0; +} + +static int jdi_panel_unprepare(struct drm_panel *panel) +{ + struct jdi_panel *jdi = to_panel_jdi(panel); + int ret; + + ret = mipi_dsi_dcs_set_display_off(jdi->link1); + if (ret < 0) + dev_err(panel->dev, "failed to set display off: %d\n", ret); + + ret = mipi_dsi_dcs_set_display_off(jdi->link2); + if (ret < 0) + dev_err(panel->dev, "failed to set display off: %d\n", ret); + + /* Specified by JDI @ 50ms, subject to change */ + msleep(50); + + ret = mipi_dsi_dcs_enter_sleep_mode(jdi->link1); + if (ret < 0) + dev_err(panel->dev, "failed to enter sleep mode: %d\n", ret); + ret = mipi_dsi_dcs_enter_sleep_mode(jdi->link2); + if (ret < 0) + dev_err(panel->dev, "failed to enter sleep mode: %d\n", ret); + + /* Specified by JDI @ 150ms, subject to change */ + msleep(150); + + gpiod_set_value(jdi->reset_gpio, 1); + + /* T4 = 1ms */ + usleep_range(1000, 3000); + + gpiod_set_value(jdi->enable_gpio, 0); + + /* T5 = 2ms */ + usleep_range(2000, 4000); + + regulator_disable(jdi->ddi_supply); + + /* T6 = 2ms plus some time to discharge capacitors */ + usleep_range(7000, 9000); + + regulator_disable(jdi->supply); + /* Specified by JDI @ 20ms, subject to change */ + msleep(20); + + return ret; +} + +static int jdi_setup_symmetrical_split(struct mipi_dsi_device *left, + struct mipi_dsi_device *right, + const struct drm_display_mode *mode) +{ + int err; + + err = mipi_dsi_dcs_set_column_address(left, 0, mode->hdisplay / 2 - 1); + if (err < 0) { + dev_err(&left->dev, "failed to set column address: %d\n", err); + return err; + } + + err = mipi_dsi_dcs_set_column_address(right, 0, mode->hdisplay / 2 - 1); + if (err < 0) { + dev_err(&right->dev, "failed to set column address: %d\n", err); + return err; + } + + err = mipi_dsi_dcs_set_page_address(left, 0, mode->vdisplay - 1); + if (err < 0) { + dev_err(&left->dev, "failed to set page address: %d\n", err); + return err; + } + + err = mipi_dsi_dcs_set_page_address(right, 0, mode->vdisplay - 1); + if (err < 0) { + dev_err(&right->dev, "failed to set page address: %d\n", err); + return err; + } + + return 0; +} + +static int jdi_write_dcdc_registers(struct jdi_panel *jdi) +{ + /* Clear the manufacturer command access protection */ + mipi_dsi_generic_write_seq(jdi->link1, MCS_CMD_ACS_PROT, + MCS_CMD_ACS_PROT_OFF); + mipi_dsi_generic_write_seq(jdi->link2, MCS_CMD_ACS_PROT, + MCS_CMD_ACS_PROT_OFF); + /* + * Change the VGH/VGL divide rations to move the noise generated by the + * TCONN. This should hopefully avoid interaction with the backlight + * controller. + */ + mipi_dsi_generic_write_seq(jdi->link1, MCS_PWR_CTRL_FUNC, + MCS_PWR_CTRL_PARAM1_VGH_330_DIV | + MCS_PWR_CTRL_PARAM1_DEFAULT, + MCS_PWR_CTRL_PARAM2_VGL_410_DIV | + MCS_PWR_CTRL_PARAM2_DEFAULT); + + mipi_dsi_generic_write_seq(jdi->link2, MCS_PWR_CTRL_FUNC, + MCS_PWR_CTRL_PARAM1_VGH_330_DIV | + MCS_PWR_CTRL_PARAM1_DEFAULT, + MCS_PWR_CTRL_PARAM2_VGL_410_DIV | + MCS_PWR_CTRL_PARAM2_DEFAULT); + + return 0; +} + +static int jdi_panel_prepare(struct drm_panel *panel) +{ + struct jdi_panel *jdi = to_panel_jdi(panel); + int err; + + /* Disable backlight to avoid showing random pixels + * with a conservative delay for it to take effect. + */ + backlight_disable(jdi->backlight); + jdi_wait_frames(jdi, 3); + + jdi->link1->mode_flags |= MIPI_DSI_MODE_LPM; + jdi->link2->mode_flags |= MIPI_DSI_MODE_LPM; + + err = regulator_enable(jdi->supply); + if (err < 0) { + dev_err(panel->dev, "failed to enable supply: %d\n", err); + return err; + } + /* T1 = 2ms */ + usleep_range(2000, 4000); + + err = regulator_enable(jdi->ddi_supply); + if (err < 0) { + dev_err(panel->dev, "failed to enable ddi_supply: %d\n", err); + goto supply_off; + } + /* T2 = 1ms */ + usleep_range(1000, 3000); + + gpiod_set_value(jdi->enable_gpio, 1); + /* T3 = 10ms */ + usleep_range(10000, 15000); + + gpiod_set_value(jdi->reset_gpio, 0); + /* Specified by JDI @ 3ms, subject to change */ + usleep_range(3000, 5000); + + /* + * TODO: The device supports both left-right and even-odd split + * configurations, but this driver currently supports only the left- + * right split. To support a different mode a mechanism needs to be + * put in place to communicate the configuration back to the DSI host + * controller. + */ + err = jdi_setup_symmetrical_split(jdi->link1, jdi->link2, + jdi->mode); + if (err < 0) { + dev_err(panel->dev, "failed to set up symmetrical split: %d\n", + err); + goto poweroff; + } + + err = mipi_dsi_dcs_set_tear_scanline(jdi->link1, + jdi->mode->vdisplay - 16); + if (err < 0) { + dev_err(panel->dev, "failed to set tear scanline: %d\n", err); + goto poweroff; + } + + err = mipi_dsi_dcs_set_tear_scanline(jdi->link2, + jdi->mode->vdisplay - 16); + if (err < 0) { + dev_err(panel->dev, "failed to set tear scanline: %d\n", err); + goto poweroff; + } + + err = mipi_dsi_dcs_set_tear_on(jdi->link1, + MIPI_DSI_DCS_TEAR_MODE_VBLANK); + if (err < 0) { + dev_err(panel->dev, "failed to set tear on: %d\n", err); + goto poweroff; + } + + err = mipi_dsi_dcs_set_tear_on(jdi->link2, + MIPI_DSI_DCS_TEAR_MODE_VBLANK); + if (err < 0) { + dev_err(panel->dev, "failed to set tear on: %d\n", err); + goto poweroff; + } + + err = mipi_dsi_dcs_set_pixel_format(jdi->link1, MIPI_DCS_PIXEL_FMT_24BIT); + if (err < 0) { + dev_err(panel->dev, "failed to set pixel format: %d\n", err); + goto poweroff; + } + + err = mipi_dsi_dcs_set_pixel_format(jdi->link2, MIPI_DCS_PIXEL_FMT_24BIT); + if (err < 0) { + dev_err(panel->dev, "failed to set pixel format: %d\n", err); + goto poweroff; + } + + err = mipi_dsi_dcs_exit_sleep_mode(jdi->link1); + if (err < 0) { + dev_err(panel->dev, "failed to exit sleep mode: %d\n", err); + goto poweroff; + } + + err = mipi_dsi_dcs_exit_sleep_mode(jdi->link2); + if (err < 0) { + dev_err(panel->dev, "failed to exit sleep mode: %d\n", err); + goto poweroff; + } + + err = jdi_write_dcdc_registers(jdi); + if (err < 0) { + dev_err(panel->dev, "failed to write dcdc registers: %d\n", err); + goto poweroff; + } + /* + * We need to wait 150ms between mipi_dsi_dcs_exit_sleep_mode() and + * mipi_dsi_dcs_set_display_on(). + */ + msleep(150); + + err = mipi_dsi_dcs_set_display_on(jdi->link1); + if (err < 0) { + dev_err(panel->dev, "failed to set display on: %d\n", err); + goto poweroff; + } + + err = mipi_dsi_dcs_set_display_on(jdi->link2); + if (err < 0) { + dev_err(panel->dev, "failed to set display on: %d\n", err); + goto poweroff; + } + + jdi->link1->mode_flags &= ~MIPI_DSI_MODE_LPM; + jdi->link2->mode_flags &= ~MIPI_DSI_MODE_LPM; + + return 0; + +poweroff: + regulator_disable(jdi->ddi_supply); + + /* T6 = 2ms plus some time to discharge capacitors */ + usleep_range(7000, 9000); +supply_off: + regulator_disable(jdi->supply); + /* Specified by JDI @ 20ms, subject to change */ + msleep(20); + + return err; +} + +static int jdi_panel_enable(struct drm_panel *panel) +{ + struct jdi_panel *jdi = to_panel_jdi(panel); + + /* + * Ensure we send image data before turning the backlight + * on, to avoid the display showing random pixels. + */ + jdi_wait_frames(jdi, 3); + + backlight_enable(jdi->backlight); + + return 0; +} + +static const struct drm_display_mode default_mode = { + .clock = (2560 + 80 + 80 + 80) * (1800 + 4 + 4 + 4) * 60 / 1000, + .hdisplay = 2560, + .hsync_start = 2560 + 80, + .hsync_end = 2560 + 80 + 80, + .htotal = 2560 + 80 + 80 + 80, + .vdisplay = 1800, + .vsync_start = 1800 + 4, + .vsync_end = 1800 + 4 + 4, + .vtotal = 1800 + 4 + 4 + 4, + .flags = 0, +}; + +static int jdi_panel_get_modes(struct drm_panel *panel, + struct drm_connector *connector) +{ + struct drm_display_mode *mode; + struct jdi_panel *jdi = to_panel_jdi(panel); + struct device *dev = &jdi->link1->dev; + + mode = drm_mode_duplicate(connector->dev, &default_mode); + if (!mode) { + dev_err(dev, "failed to add mode %ux%ux@%u\n", + default_mode.hdisplay, default_mode.vdisplay, + drm_mode_vrefresh(&default_mode)); + return -ENOMEM; + } + + drm_mode_set_name(mode); + + drm_mode_probed_add(connector, mode); + + connector->display_info.width_mm = 211; + connector->display_info.height_mm = 148; + connector->display_info.bpc = 8; + + return 1; +} + +static const struct drm_panel_funcs jdi_panel_funcs = { + .prepare = jdi_panel_prepare, + .enable = jdi_panel_enable, + .disable = jdi_panel_disable, + .unprepare = jdi_panel_unprepare, + .get_modes = jdi_panel_get_modes, +}; + +static const struct of_device_id jdi_of_match[] = { + { .compatible = "jdi,lpm102a188a", }, + { } +}; +MODULE_DEVICE_TABLE(of, jdi_of_match); + +static int jdi_panel_add(struct jdi_panel *jdi) +{ + struct device *dev = &jdi->link1->dev; + + jdi->mode = &default_mode; + + jdi->supply = devm_regulator_get(dev, "power"); + if (IS_ERR(jdi->supply)) + return dev_err_probe(dev, PTR_ERR(jdi->supply), + "failed to get power regulator\n"); + + jdi->ddi_supply = devm_regulator_get(dev, "ddi"); + if (IS_ERR(jdi->ddi_supply)) + return dev_err_probe(dev, PTR_ERR(jdi->ddi_supply), + "failed to get ddi regulator\n"); + + jdi->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH); + if (IS_ERR(jdi->reset_gpio)) + return dev_err_probe(dev, PTR_ERR(jdi->reset_gpio), + "failed to get reset gpio\n"); + /* T4 = 1ms */ + usleep_range(1000, 3000); + + jdi->enable_gpio = devm_gpiod_get(dev, "enable", GPIOD_OUT_LOW); + if (IS_ERR(jdi->enable_gpio)) + return dev_err_probe(dev, PTR_ERR(jdi->enable_gpio), + "failed to get enable gpio\n"); + /* T5 = 2ms */ + usleep_range(2000, 4000); + + jdi->backlight = devm_of_find_backlight(dev); + if (IS_ERR(jdi->backlight)) + return dev_err_probe(dev, PTR_ERR(jdi->backlight), + "failed to create backlight\n"); + + drm_panel_init(&jdi->base, &jdi->link1->dev, &jdi_panel_funcs, + DRM_MODE_CONNECTOR_DSI); + + drm_panel_add(&jdi->base); + + return 0; +} + +static void jdi_panel_del(struct jdi_panel *jdi) +{ + if (jdi->base.dev) + drm_panel_remove(&jdi->base); + + if (jdi->link2) + put_device(&jdi->link2->dev); +} + +static int jdi_panel_dsi_probe(struct mipi_dsi_device *dsi) +{ + struct mipi_dsi_device *secondary = NULL; + struct jdi_panel *jdi; + struct device_node *np; + int err; + + dsi->lanes = 4; + dsi->format = MIPI_DSI_FMT_RGB888; + dsi->mode_flags = 0; + + /* Find DSI-LINK1 */ + np = of_parse_phandle(dsi->dev.of_node, "link2", 0); + if (np) { + secondary = of_find_mipi_dsi_device_by_node(np); + of_node_put(np); + + if (!secondary) + return -EPROBE_DEFER; + } + + /* register a panel for only the DSI-LINK1 interface */ + if (secondary) { + jdi = devm_kzalloc(&dsi->dev, sizeof(*jdi), GFP_KERNEL); + if (!jdi) { + put_device(&secondary->dev); + return -ENOMEM; + } + + mipi_dsi_set_drvdata(dsi, jdi); + + jdi->link1 = dsi; + jdi->link2 = secondary; + + err = jdi_panel_add(jdi); + if (err < 0) { + put_device(&secondary->dev); + return err; + } + } + + err = mipi_dsi_attach(dsi); + if (err < 0) { + if (secondary) + jdi_panel_del(jdi); + + return err; + } + + return 0; +} + +static void jdi_panel_dsi_remove(struct mipi_dsi_device *dsi) +{ + struct jdi_panel *jdi = mipi_dsi_get_drvdata(dsi); + int err; + + /* only detach from host for the DSI-LINK2 interface */ + if (!jdi) + mipi_dsi_detach(dsi); + + err = jdi_panel_disable(&jdi->base); + if (err < 0) + dev_err(&dsi->dev, "failed to disable panel: %d\n", err); + + err = mipi_dsi_detach(dsi); + if (err < 0) + dev_err(&dsi->dev, "failed to detach from DSI host: %d\n", err); + + jdi_panel_del(jdi); +} + +static void jdi_panel_dsi_shutdown(struct mipi_dsi_device *dsi) +{ + struct jdi_panel *jdi = mipi_dsi_get_drvdata(dsi); + + if (!jdi) + return; + + jdi_panel_disable(&jdi->base); +} + +static struct mipi_dsi_driver jdi_panel_dsi_driver = { + .driver = { + .name = "panel-jdi-lpm102a188a", + .of_match_table = jdi_of_match, + }, + .probe = jdi_panel_dsi_probe, + .remove = jdi_panel_dsi_remove, + .shutdown = jdi_panel_dsi_shutdown, +}; +module_mipi_dsi_driver(jdi_panel_dsi_driver); + +MODULE_AUTHOR("Sean Paul <seanpaul@chromium.org>"); +MODULE_AUTHOR("Diogo Ivo <diogo.ivo@tecnico.ulisboa.pt>"); +MODULE_DESCRIPTION("DRM Driver for JDI LPM102A188A DSI panel, command mode"); +MODULE_LICENSE("GPL"); diff --git a/drivers/gpu/drm/panel/panel-jdi-lt070me05000.c b/drivers/gpu/drm/panel/panel-jdi-lt070me05000.c index 213008499..f9a69f347 100644 --- a/drivers/gpu/drm/panel/panel-jdi-lt070me05000.c +++ b/drivers/gpu/drm/panel/panel-jdi-lt070me05000.c @@ -5,10 +5,6 @@ * * Copyright (C) 2016 Linaro Ltd * Author: Sumit Semwal <sumit.semwal@linaro.org> - * - * From internet archives, the panel for Nexus 7 2nd Gen, 2013 model is a - * JDI model LT070ME05000, and its data sheet is at: - * http://panelone.net/en/7-0-inch/JDI_LT070ME05000_7.0_inch-datasheet */ #include <linux/backlight.h> diff --git a/drivers/gpu/drm/panel/panel-leadtek-ltk050h3146w.c b/drivers/gpu/drm/panel/panel-leadtek-ltk050h3146w.c index d41482d3a..30919c872 100644 --- a/drivers/gpu/drm/panel/panel-leadtek-ltk050h3146w.c +++ b/drivers/gpu/drm/panel/panel-leadtek-ltk050h3146w.c @@ -24,6 +24,7 @@ struct ltk050h3146w_cmd { struct ltk050h3146w; struct ltk050h3146w_desc { + const unsigned long mode_flags; const struct drm_display_mode *mode; int (*init)(struct ltk050h3146w *ctx); }; @@ -243,6 +244,91 @@ struct ltk050h3146w *panel_to_ltk050h3146w(struct drm_panel *panel) return container_of(panel, struct ltk050h3146w, panel); } +static int ltk050h3148w_init_sequence(struct ltk050h3146w *ctx) +{ + struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev); + int ret; + + /* + * Init sequence was supplied by the panel vendor without much + * documentation. + */ + mipi_dsi_dcs_write_seq(dsi, 0xb9, 0xff, 0x83, 0x94); + mipi_dsi_dcs_write_seq(dsi, 0xb1, 0x50, 0x15, 0x75, 0x09, 0x32, 0x44, + 0x71, 0x31, 0x55, 0x2f); + mipi_dsi_dcs_write_seq(dsi, 0xba, 0x63, 0x03, 0x68, 0x6b, 0xb2, 0xc0); + mipi_dsi_dcs_write_seq(dsi, 0xd2, 0x88); + mipi_dsi_dcs_write_seq(dsi, 0xb2, 0x00, 0x80, 0x64, 0x10, 0x07); + mipi_dsi_dcs_write_seq(dsi, 0xb4, 0x05, 0x70, 0x05, 0x70, 0x01, 0x70, + 0x01, 0x0c, 0x86, 0x75, 0x00, 0x3f, 0x01, 0x74, + 0x01, 0x74, 0x01, 0x74, 0x01, 0x0c, 0x86); + mipi_dsi_dcs_write_seq(dsi, 0xd3, 0x00, 0x00, 0x07, 0x07, 0x40, 0x1e, + 0x08, 0x00, 0x32, 0x10, 0x08, 0x00, 0x08, 0x54, + 0x15, 0x10, 0x05, 0x04, 0x02, 0x12, 0x10, 0x05, + 0x07, 0x33, 0x34, 0x0c, 0x0c, 0x37, 0x10, 0x07, + 0x17, 0x11, 0x40); + mipi_dsi_dcs_write_seq(dsi, 0xd5, 0x19, 0x19, 0x18, 0x18, 0x1b, 0x1b, + 0x1a, 0x1a, 0x04, 0x05, 0x06, 0x07, 0x00, 0x01, + 0x02, 0x03, 0x20, 0x21, 0x18, 0x18, 0x22, 0x23, + 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, + 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, + 0x18, 0x18, 0x18, 0x18, 0x18, 0x18); + mipi_dsi_dcs_write_seq(dsi, 0xd6, 0x18, 0x18, 0x19, 0x19, 0x1b, 0x1b, + 0x1a, 0x1a, 0x03, 0x02, 0x01, 0x00, 0x07, 0x06, + 0x05, 0x04, 0x23, 0x22, 0x18, 0x18, 0x21, 0x20, + 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, + 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, + 0x18, 0x18, 0x18, 0x18, 0x18, 0x18); + mipi_dsi_dcs_write_seq(dsi, 0xe0, 0x00, 0x03, 0x09, 0x11, 0x11, 0x14, + 0x18, 0x16, 0x2e, 0x3d, 0x4d, 0x4d, 0x58, 0x6c, + 0x72, 0x78, 0x88, 0x8b, 0x86, 0xa4, 0xb2, 0x58, + 0x55, 0x59, 0x5b, 0x5d, 0x60, 0x64, 0x7f, 0x00, + 0x03, 0x09, 0x0f, 0x11, 0x14, 0x18, 0x16, 0x2e, + 0x3d, 0x4d, 0x4d, 0x58, 0x6d, 0x73, 0x78, 0x88, + 0x8b, 0x87, 0xa5, 0xb2, 0x58, 0x55, 0x58, 0x5b, + 0x5d, 0x61, 0x65, 0x7f); + mipi_dsi_dcs_write_seq(dsi, 0xcc, 0x0b); + mipi_dsi_dcs_write_seq(dsi, 0xc0, 0x1f, 0x31); + mipi_dsi_dcs_write_seq(dsi, 0xb6, 0xc4, 0xc4); + mipi_dsi_dcs_write_seq(dsi, 0xbd, 0x01); + mipi_dsi_dcs_write_seq(dsi, 0xb1, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0xbd, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0xc6, 0xef); + mipi_dsi_dcs_write_seq(dsi, 0xd4, 0x02); + mipi_dsi_dcs_write_seq(dsi, 0x11); + mipi_dsi_dcs_write_seq(dsi, 0x29); + + ret = mipi_dsi_dcs_set_tear_on(dsi, 1); + if (ret < 0) { + dev_err(ctx->dev, "failed to set tear on: %d\n", ret); + return ret; + } + + msleep(60); + + return 0; +} + +static const struct drm_display_mode ltk050h3148w_mode = { + .hdisplay = 720, + .hsync_start = 720 + 12, + .hsync_end = 720 + 12 + 6, + .htotal = 720 + 12 + 6 + 24, + .vdisplay = 1280, + .vsync_start = 1280 + 9, + .vsync_end = 1280 + 9 + 2, + .vtotal = 1280 + 9 + 2 + 16, + .clock = 59756, + .width_mm = 62, + .height_mm = 110, +}; + +static const struct ltk050h3146w_desc ltk050h3148w_data = { + .mode = <k050h3148w_mode, + .init = ltk050h3148w_init_sequence, + .mode_flags = MIPI_DSI_MODE_VIDEO_SYNC_PULSE | MIPI_DSI_MODE_VIDEO_BURST, +}; + static int ltk050h3146w_init_sequence(struct ltk050h3146w *ctx) { struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev); @@ -330,6 +416,8 @@ static const struct drm_display_mode ltk050h3146w_mode = { static const struct ltk050h3146w_desc ltk050h3146w_data = { .mode = <k050h3146w_mode, .init = ltk050h3146w_init_sequence, + .mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST | + MIPI_DSI_MODE_LPM | MIPI_DSI_MODE_NO_EOT_PACKET, }; static int ltk050h3146w_a2_select_page(struct ltk050h3146w *ctx, int page) @@ -424,6 +512,8 @@ static const struct drm_display_mode ltk050h3146w_a2_mode = { static const struct ltk050h3146w_desc ltk050h3146w_a2_data = { .mode = <k050h3146w_a2_mode, .init = ltk050h3146w_a2_init_sequence, + .mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST | + MIPI_DSI_MODE_LPM | MIPI_DSI_MODE_NO_EOT_PACKET, }; static int ltk050h3146w_unprepare(struct drm_panel *panel) @@ -583,8 +673,7 @@ static int ltk050h3146w_probe(struct mipi_dsi_device *dsi) dsi->lanes = 4; dsi->format = MIPI_DSI_FMT_RGB888; - dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST | - MIPI_DSI_MODE_LPM | MIPI_DSI_MODE_NO_EOT_PACKET; + dsi->mode_flags = ctx->panel_desc->mode_flags; drm_panel_init(&ctx->panel, &dsi->dev, <k050h3146w_funcs, DRM_MODE_CONNECTOR_DSI); @@ -642,6 +731,10 @@ static const struct of_device_id ltk050h3146w_of_match[] = { .compatible = "leadtek,ltk050h3146w-a2", .data = <k050h3146w_a2_data, }, + { + .compatible = "leadtek,ltk050h3148w", + .data = <k050h3148w_data, + }, { /* sentinel */ } }; MODULE_DEVICE_TABLE(of, ltk050h3146w_of_match); diff --git a/drivers/gpu/drm/panel/panel-newvision-nv3051d.c b/drivers/gpu/drm/panel/panel-newvision-nv3051d.c index 227937afe..c44c69456 100644 --- a/drivers/gpu/drm/panel/panel-newvision-nv3051d.c +++ b/drivers/gpu/drm/panel/panel-newvision-nv3051d.c @@ -390,6 +390,13 @@ static int panel_nv3051d_probe(struct mipi_dsi_device *dsi) dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST | MIPI_DSI_MODE_LPM | MIPI_DSI_MODE_NO_EOT_PACKET; + /* + * The panel in the RG351V is identical to the 353P, except it + * requires MIPI_DSI_CLOCK_NON_CONTINUOUS to operate correctly. + */ + if (of_device_is_compatible(dev->of_node, "anbernic,rg351v-panel")) + dsi->mode_flags |= MIPI_DSI_CLOCK_NON_CONTINUOUS; + drm_panel_init(&ctx->panel, &dsi->dev, &panel_nv3051d_funcs, DRM_MODE_CONNECTOR_DSI); diff --git a/drivers/gpu/drm/panel/panel-novatek-nt35950.c b/drivers/gpu/drm/panel/panel-novatek-nt35950.c index 412ca84d0..648ce9201 100644 --- a/drivers/gpu/drm/panel/panel-novatek-nt35950.c +++ b/drivers/gpu/drm/panel/panel-novatek-nt35950.c @@ -59,7 +59,6 @@ struct nt35950 { int cur_mode; u8 last_page; - bool prepared; }; struct nt35950_panel_mode { @@ -431,9 +430,6 @@ static int nt35950_prepare(struct drm_panel *panel) struct device *dev = &nt->dsi[0]->dev; int ret; - if (nt->prepared) - return 0; - ret = regulator_enable(nt->vregs[0].consumer); if (ret) return ret; @@ -460,7 +456,6 @@ static int nt35950_prepare(struct drm_panel *panel) dev_err(dev, "Failed to initialize panel: %d\n", ret); goto end; } - nt->prepared = true; end: if (ret < 0) { @@ -477,9 +472,6 @@ static int nt35950_unprepare(struct drm_panel *panel) struct device *dev = &nt->dsi[0]->dev; int ret; - if (!nt->prepared) - return 0; - ret = nt35950_off(nt); if (ret < 0) dev_err(dev, "Failed to deinitialize panel: %d\n", ret); @@ -487,7 +479,6 @@ static int nt35950_unprepare(struct drm_panel *panel) gpiod_set_value_cansleep(nt->reset_gpio, 0); regulator_bulk_disable(ARRAY_SIZE(nt->vregs), nt->vregs); - nt->prepared = false; return 0; } diff --git a/drivers/gpu/drm/panel/panel-novatek-nt36523.c b/drivers/gpu/drm/panel/panel-novatek-nt36523.c index c4a804c5d..a189ce236 100644 --- a/drivers/gpu/drm/panel/panel-novatek-nt36523.c +++ b/drivers/gpu/drm/panel/panel-novatek-nt36523.c @@ -38,8 +38,6 @@ struct panel_info { struct gpio_desc *reset_gpio; struct backlight_device *backlight; struct regulator *vddio; - - bool prepared; }; struct panel_desc { @@ -1046,9 +1044,6 @@ static int nt36523_prepare(struct drm_panel *panel) struct panel_info *pinfo = to_panel_info(panel); int ret; - if (pinfo->prepared) - return 0; - ret = regulator_enable(pinfo->vddio); if (ret) { dev_err(panel->dev, "failed to enable vddio regulator: %d\n", ret); @@ -1064,8 +1059,6 @@ static int nt36523_prepare(struct drm_panel *panel) return ret; } - pinfo->prepared = true; - return 0; } @@ -1095,14 +1088,9 @@ static int nt36523_unprepare(struct drm_panel *panel) { struct panel_info *pinfo = to_panel_info(panel); - if (!pinfo->prepared) - return 0; - gpiod_set_value_cansleep(pinfo->reset_gpio, 1); regulator_disable(pinfo->vddio); - pinfo->prepared = false; - return 0; } diff --git a/drivers/gpu/drm/panel/panel-orisetech-otm8009a.c b/drivers/gpu/drm/panel/panel-orisetech-otm8009a.c index 898b892f1..93183f30d 100644 --- a/drivers/gpu/drm/panel/panel-orisetech-otm8009a.c +++ b/drivers/gpu/drm/panel/panel-orisetech-otm8009a.c @@ -70,7 +70,6 @@ struct otm8009a { struct gpio_desc *reset_gpio; struct regulator *supply; bool prepared; - bool enabled; }; static const struct drm_display_mode modes[] = { @@ -267,9 +266,6 @@ static int otm8009a_disable(struct drm_panel *panel) struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev); int ret; - if (!ctx->enabled) - return 0; /* This is not an issue so we return 0 here */ - backlight_disable(ctx->bl_dev); ret = mipi_dsi_dcs_set_display_off(dsi); @@ -282,8 +278,6 @@ static int otm8009a_disable(struct drm_panel *panel) msleep(120); - ctx->enabled = false; - return 0; } @@ -291,9 +285,6 @@ static int otm8009a_unprepare(struct drm_panel *panel) { struct otm8009a *ctx = panel_to_otm8009a(panel); - if (!ctx->prepared) - return 0; - if (ctx->reset_gpio) { gpiod_set_value_cansleep(ctx->reset_gpio, 1); msleep(20); @@ -311,9 +302,6 @@ static int otm8009a_prepare(struct drm_panel *panel) struct otm8009a *ctx = panel_to_otm8009a(panel); int ret; - if (ctx->prepared) - return 0; - ret = regulator_enable(ctx->supply); if (ret < 0) { dev_err(panel->dev, "failed to enable supply: %d\n", ret); @@ -341,13 +329,8 @@ static int otm8009a_enable(struct drm_panel *panel) { struct otm8009a *ctx = panel_to_otm8009a(panel); - if (ctx->enabled) - return 0; - backlight_enable(ctx->bl_dev); - ctx->enabled = true; - return 0; } diff --git a/drivers/gpu/drm/panel/panel-raydium-rm68200.c b/drivers/gpu/drm/panel/panel-raydium-rm68200.c index 5f9b34058..7b7fe987e 100644 --- a/drivers/gpu/drm/panel/panel-raydium-rm68200.c +++ b/drivers/gpu/drm/panel/panel-raydium-rm68200.c @@ -77,8 +77,6 @@ struct rm68200 { struct drm_panel panel; struct gpio_desc *reset_gpio; struct regulator *supply; - bool prepared; - bool enabled; }; static const struct drm_display_mode default_mode = { @@ -231,27 +229,12 @@ static void rm68200_init_sequence(struct rm68200 *ctx) dcs_write_seq(ctx, MCS_CMD_MODE_SW, MCS_CMD1_UCS); } -static int rm68200_disable(struct drm_panel *panel) -{ - struct rm68200 *ctx = panel_to_rm68200(panel); - - if (!ctx->enabled) - return 0; - - ctx->enabled = false; - - return 0; -} - static int rm68200_unprepare(struct drm_panel *panel) { struct rm68200 *ctx = panel_to_rm68200(panel); struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev); int ret; - if (!ctx->prepared) - return 0; - ret = mipi_dsi_dcs_set_display_off(dsi); if (ret) dev_warn(panel->dev, "failed to set display off: %d\n", ret); @@ -269,8 +252,6 @@ static int rm68200_unprepare(struct drm_panel *panel) regulator_disable(ctx->supply); - ctx->prepared = false; - return 0; } @@ -280,9 +261,6 @@ static int rm68200_prepare(struct drm_panel *panel) struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev); int ret; - if (ctx->prepared) - return 0; - ret = regulator_enable(ctx->supply); if (ret < 0) { dev_err(ctx->dev, "failed to enable supply: %d\n", ret); @@ -310,20 +288,6 @@ static int rm68200_prepare(struct drm_panel *panel) msleep(20); - ctx->prepared = true; - - return 0; -} - -static int rm68200_enable(struct drm_panel *panel) -{ - struct rm68200 *ctx = panel_to_rm68200(panel); - - if (ctx->enabled) - return 0; - - ctx->enabled = true; - return 0; } @@ -352,10 +316,8 @@ static int rm68200_get_modes(struct drm_panel *panel, } static const struct drm_panel_funcs rm68200_drm_funcs = { - .disable = rm68200_disable, .unprepare = rm68200_unprepare, .prepare = rm68200_prepare, - .enable = rm68200_enable, .get_modes = rm68200_get_modes, }; diff --git a/drivers/gpu/drm/panel/panel-raydium-rm692e5.c b/drivers/gpu/drm/panel/panel-raydium-rm692e5.c new file mode 100644 index 000000000..a613ba5b8 --- /dev/null +++ b/drivers/gpu/drm/panel/panel-raydium-rm692e5.c @@ -0,0 +1,423 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Generated with linux-mdss-dsi-panel-driver-generator from vendor device tree. + * Copyright (c) 2023 Linaro Limited + */ + +#include <linux/backlight.h> +#include <linux/delay.h> +#include <linux/gpio/consumer.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/regulator/consumer.h> + +#include <drm/display/drm_dsc.h> +#include <drm/display/drm_dsc_helper.h> +#include <drm/drm_mipi_dsi.h> +#include <drm/drm_modes.h> +#include <drm/drm_panel.h> + +struct rm692e5_panel { + struct drm_panel panel; + struct mipi_dsi_device *dsi; + struct drm_dsc_config dsc; + struct regulator_bulk_data supplies[3]; + struct gpio_desc *reset_gpio; + bool prepared; +}; + +static inline struct rm692e5_panel *to_rm692e5_panel(struct drm_panel *panel) +{ + return container_of(panel, struct rm692e5_panel, panel); +} + +static void rm692e5_reset(struct rm692e5_panel *ctx) +{ + gpiod_set_value_cansleep(ctx->reset_gpio, 0); + usleep_range(10000, 11000); + gpiod_set_value_cansleep(ctx->reset_gpio, 1); + usleep_range(5000, 6000); + gpiod_set_value_cansleep(ctx->reset_gpio, 0); + usleep_range(10000, 11000); +} + +static int rm692e5_on(struct rm692e5_panel *ctx) +{ + struct mipi_dsi_device *dsi = ctx->dsi; + struct device *dev = &dsi->dev; + int ret; + + dsi->mode_flags |= MIPI_DSI_MODE_LPM; + + mipi_dsi_generic_write_seq(dsi, 0xfe, 0x41); + mipi_dsi_generic_write_seq(dsi, 0xd6, 0x00); + mipi_dsi_generic_write_seq(dsi, 0xfe, 0x16); + mipi_dsi_generic_write_seq(dsi, 0x8a, 0x87); + mipi_dsi_generic_write_seq(dsi, 0xfe, 0x71); + mipi_dsi_generic_write_seq(dsi, 0x82, 0x01); + mipi_dsi_generic_write_seq(dsi, 0xc6, 0x00); + mipi_dsi_generic_write_seq(dsi, 0xc7, 0x2c); + mipi_dsi_generic_write_seq(dsi, 0xc8, 0x64); + mipi_dsi_generic_write_seq(dsi, 0xc9, 0x3c); + mipi_dsi_generic_write_seq(dsi, 0xca, 0x80); + mipi_dsi_generic_write_seq(dsi, 0xcb, 0x02); + mipi_dsi_generic_write_seq(dsi, 0xcc, 0x02); + mipi_dsi_generic_write_seq(dsi, 0xfe, 0x38); + mipi_dsi_generic_write_seq(dsi, 0x18, 0x13); + mipi_dsi_generic_write_seq(dsi, 0xfe, 0xf4); + mipi_dsi_generic_write_seq(dsi, 0x00, 0xff); + mipi_dsi_generic_write_seq(dsi, 0x01, 0xff); + mipi_dsi_generic_write_seq(dsi, 0x02, 0xcf); + mipi_dsi_generic_write_seq(dsi, 0x03, 0xbc); + mipi_dsi_generic_write_seq(dsi, 0x04, 0xb9); + mipi_dsi_generic_write_seq(dsi, 0x05, 0x99); + mipi_dsi_generic_write_seq(dsi, 0x06, 0x02); + mipi_dsi_generic_write_seq(dsi, 0x07, 0x0a); + mipi_dsi_generic_write_seq(dsi, 0x08, 0xe0); + mipi_dsi_generic_write_seq(dsi, 0x09, 0x4c); + mipi_dsi_generic_write_seq(dsi, 0x0a, 0xeb); + mipi_dsi_generic_write_seq(dsi, 0x0b, 0xe8); + mipi_dsi_generic_write_seq(dsi, 0x0c, 0x32); + mipi_dsi_generic_write_seq(dsi, 0x0d, 0x07); + mipi_dsi_generic_write_seq(dsi, 0xfe, 0xf4); + mipi_dsi_generic_write_seq(dsi, 0x0d, 0xc0); + mipi_dsi_generic_write_seq(dsi, 0x0e, 0xff); + mipi_dsi_generic_write_seq(dsi, 0x0f, 0xff); + mipi_dsi_generic_write_seq(dsi, 0x10, 0x33); + mipi_dsi_generic_write_seq(dsi, 0x11, 0x6f); + mipi_dsi_generic_write_seq(dsi, 0x12, 0x6e); + mipi_dsi_generic_write_seq(dsi, 0x13, 0xa6); + mipi_dsi_generic_write_seq(dsi, 0x14, 0x80); + mipi_dsi_generic_write_seq(dsi, 0x15, 0x02); + mipi_dsi_generic_write_seq(dsi, 0x16, 0x38); + mipi_dsi_generic_write_seq(dsi, 0x17, 0xd3); + mipi_dsi_generic_write_seq(dsi, 0x18, 0x3a); + mipi_dsi_generic_write_seq(dsi, 0x19, 0xba); + mipi_dsi_generic_write_seq(dsi, 0x1a, 0xcc); + mipi_dsi_generic_write_seq(dsi, 0x1b, 0x01); + + ret = mipi_dsi_dcs_nop(dsi); + if (ret < 0) { + dev_err(dev, "Failed to nop: %d\n", ret); + return ret; + } + msleep(32); + + mipi_dsi_generic_write_seq(dsi, 0xfe, 0x38); + mipi_dsi_generic_write_seq(dsi, 0x18, 0x13); + mipi_dsi_generic_write_seq(dsi, 0xfe, 0xd1); + mipi_dsi_generic_write_seq(dsi, 0xd3, 0x00); + mipi_dsi_generic_write_seq(dsi, 0xd0, 0x00); + mipi_dsi_generic_write_seq(dsi, 0xd2, 0x00); + mipi_dsi_generic_write_seq(dsi, 0xd4, 0x00); + mipi_dsi_generic_write_seq(dsi, 0xb4, 0x01); + mipi_dsi_generic_write_seq(dsi, 0xfe, 0xf9); + mipi_dsi_generic_write_seq(dsi, 0x00, 0xaf); + mipi_dsi_generic_write_seq(dsi, 0x1d, 0x37); + mipi_dsi_generic_write_seq(dsi, 0x44, 0x0a, 0x7b); + mipi_dsi_generic_write_seq(dsi, 0xfe, 0x00); + mipi_dsi_generic_write_seq(dsi, 0xfa, 0x01); + mipi_dsi_generic_write_seq(dsi, 0xc2, 0x08); + mipi_dsi_generic_write_seq(dsi, 0x35, 0x00); + mipi_dsi_generic_write_seq(dsi, 0x51, 0x05, 0x42); + + 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(100); + + ret = mipi_dsi_dcs_set_display_on(dsi); + if (ret < 0) { + dev_err(dev, "Failed to set display on: %d\n", ret); + return ret; + } + + return 0; +} + +static int rm692e5_disable(struct drm_panel *panel) +{ + struct rm692e5_panel *ctx = to_rm692e5_panel(panel); + struct mipi_dsi_device *dsi = ctx->dsi; + struct device *dev = &dsi->dev; + int ret; + + dsi->mode_flags &= ~MIPI_DSI_MODE_LPM; + + mipi_dsi_generic_write_seq(dsi, 0xfe, 0x00); + + ret = mipi_dsi_dcs_set_display_off(dsi); + if (ret < 0) { + dev_err(dev, "Failed to set display off: %d\n", ret); + return ret; + } + + 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(100); + + return 0; +} + +static int rm692e5_prepare(struct drm_panel *panel) +{ + struct rm692e5_panel *ctx = to_rm692e5_panel(panel); + struct drm_dsc_picture_parameter_set pps; + struct device *dev = &ctx->dsi->dev; + int ret; + + if (ctx->prepared) + return 0; + + ret = regulator_bulk_enable(ARRAY_SIZE(ctx->supplies), ctx->supplies); + if (ret < 0) { + dev_err(dev, "Failed to enable regulators: %d\n", ret); + return ret; + } + + rm692e5_reset(ctx); + + ret = rm692e5_on(ctx); + 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; + } + + drm_dsc_pps_payload_pack(&pps, &ctx->dsc); + + ret = mipi_dsi_picture_parameter_set(ctx->dsi, &pps); + if (ret < 0) { + dev_err(panel->dev, "failed to transmit PPS: %d\n", ret); + return ret; + } + + ret = mipi_dsi_compression_mode(ctx->dsi, true); + if (ret < 0) { + dev_err(dev, "failed to enable compression mode: %d\n", ret); + return ret; + } + + msleep(28); + + mipi_dsi_generic_write_seq(ctx->dsi, 0xfe, 0x40); + + /* 0x05 -> 90Hz, 0x00 -> 60Hz */ + mipi_dsi_generic_write_seq(ctx->dsi, 0xbd, 0x05); + + mipi_dsi_generic_write_seq(ctx->dsi, 0xfe, 0x00); + + ctx->prepared = true; + + return 0; +} + +static int rm692e5_unprepare(struct drm_panel *panel) +{ + struct rm692e5_panel *ctx = to_rm692e5_panel(panel); + + if (!ctx->prepared) + return 0; + + gpiod_set_value_cansleep(ctx->reset_gpio, 1); + regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), ctx->supplies); + + ctx->prepared = false; + return 0; +} + +static const struct drm_display_mode rm692e5_mode = { + .clock = (1224 + 32 + 8 + 8) * (2700 + 8 + 2 + 8) * 90 / 1000, + .hdisplay = 1224, + .hsync_start = 1224 + 32, + .hsync_end = 1224 + 32 + 8, + .htotal = 1224 + 32 + 8 + 8, + .vdisplay = 2700, + .vsync_start = 2700 + 8, + .vsync_end = 2700 + 8 + 2, + .vtotal = 2700 + 8 + 2 + 8, + .width_mm = 68, + .height_mm = 150, +}; + +static int rm692e5_get_modes(struct drm_panel *panel, + struct drm_connector *connector) +{ + struct drm_display_mode *mode; + + mode = drm_mode_duplicate(connector->dev, &rm692e5_mode); + if (!mode) + return -ENOMEM; + + drm_mode_set_name(mode); + + mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED; + connector->display_info.width_mm = mode->width_mm; + connector->display_info.height_mm = mode->height_mm; + drm_mode_probed_add(connector, mode); + + return 1; +} + +static const struct drm_panel_funcs rm692e5_panel_funcs = { + .prepare = rm692e5_prepare, + .unprepare = rm692e5_unprepare, + .disable = rm692e5_disable, + .get_modes = rm692e5_get_modes, +}; + +static int rm692e5_bl_update_status(struct backlight_device *bl) +{ + struct mipi_dsi_device *dsi = bl_get_data(bl); + u16 brightness = backlight_get_brightness(bl); + int ret; + + dsi->mode_flags &= ~MIPI_DSI_MODE_LPM; + + ret = mipi_dsi_dcs_set_display_brightness_large(dsi, brightness); + if (ret < 0) + return ret; + + dsi->mode_flags |= MIPI_DSI_MODE_LPM; + + return 0; +} + +static int rm692e5_bl_get_brightness(struct backlight_device *bl) +{ + struct mipi_dsi_device *dsi = bl_get_data(bl); + u16 brightness; + int ret; + + dsi->mode_flags &= ~MIPI_DSI_MODE_LPM; + + ret = mipi_dsi_dcs_get_display_brightness_large(dsi, &brightness); + if (ret < 0) + return ret; + + dsi->mode_flags |= MIPI_DSI_MODE_LPM; + + return brightness; +} + +static const struct backlight_ops rm692e5_bl_ops = { + .update_status = rm692e5_bl_update_status, + .get_brightness = rm692e5_bl_get_brightness, +}; + +static struct backlight_device * +rm692e5_create_backlight(struct mipi_dsi_device *dsi) +{ + struct device *dev = &dsi->dev; + const struct backlight_properties props = { + .type = BACKLIGHT_RAW, + .brightness = 4095, + .max_brightness = 4095, + }; + + return devm_backlight_device_register(dev, dev_name(dev), dev, dsi, + &rm692e5_bl_ops, &props); +} + +static int rm692e5_probe(struct mipi_dsi_device *dsi) +{ + struct device *dev = &dsi->dev; + struct rm692e5_panel *ctx; + int ret; + + ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL); + if (!ctx) + return -ENOMEM; + + ctx->supplies[0].supply = "vddio"; + ctx->supplies[1].supply = "dvdd"; + ctx->supplies[2].supply = "vci"; + ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(ctx->supplies), + ctx->supplies); + if (ret < 0) + return dev_err_probe(dev, ret, "Failed to get regulators\n"); + + ctx->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH); + if (IS_ERR(ctx->reset_gpio)) + return dev_err_probe(dev, PTR_ERR(ctx->reset_gpio), + "Failed to get reset-gpios\n"); + + ctx->dsi = dsi; + mipi_dsi_set_drvdata(dsi, ctx); + + dsi->lanes = 4; + dsi->format = MIPI_DSI_FMT_RGB888; + dsi->mode_flags = MIPI_DSI_MODE_NO_EOT_PACKET | + MIPI_DSI_CLOCK_NON_CONTINUOUS; + + drm_panel_init(&ctx->panel, dev, &rm692e5_panel_funcs, + DRM_MODE_CONNECTOR_DSI); + ctx->panel.prepare_prev_first = true; + + ctx->panel.backlight = rm692e5_create_backlight(dsi); + if (IS_ERR(ctx->panel.backlight)) + return dev_err_probe(dev, PTR_ERR(ctx->panel.backlight), + "Failed to create backlight\n"); + + drm_panel_add(&ctx->panel); + + /* This panel only supports DSC; unconditionally enable it */ + dsi->dsc = &ctx->dsc; + + /* TODO: Pass slice_per_pkt = 2 */ + ctx->dsc.dsc_version_major = 1; + ctx->dsc.dsc_version_minor = 1; + ctx->dsc.slice_height = 60; + ctx->dsc.slice_width = 1224; + + ctx->dsc.slice_count = 1224 / ctx->dsc.slice_width; + ctx->dsc.bits_per_component = 8; + ctx->dsc.bits_per_pixel = 8 << 4; /* 4 fractional bits */ + ctx->dsc.block_pred_enable = true; + + ret = mipi_dsi_attach(dsi); + if (ret < 0) { + dev_err(dev, "Failed to attach to DSI host: %d\n", ret); + drm_panel_remove(&ctx->panel); + return ret; + } + + return 0; +} + +static void rm692e5_remove(struct mipi_dsi_device *dsi) +{ + struct rm692e5_panel *ctx = mipi_dsi_get_drvdata(dsi); + int ret; + + ret = mipi_dsi_detach(dsi); + if (ret < 0) + dev_err(&dsi->dev, "Failed to detach from DSI host: %d\n", ret); + + drm_panel_remove(&ctx->panel); +} + +static const struct of_device_id rm692e5_of_match[] = { + { .compatible = "fairphone,fp5-rm692e5-boe" }, + { } +}; +MODULE_DEVICE_TABLE(of, rm692e5_of_match); + +static struct mipi_dsi_driver rm692e5_driver = { + .probe = rm692e5_probe, + .remove = rm692e5_remove, + .driver = { + .name = "panel-rm692e5-boe-amoled", + .of_match_table = rm692e5_of_match, + }, +}; +module_mipi_dsi_driver(rm692e5_driver); + +MODULE_DESCRIPTION("DRM driver for rm692e5-equipped DSI panels"); +MODULE_LICENSE("GPL"); diff --git a/drivers/gpu/drm/panel/panel-samsung-s6e63m0.c b/drivers/gpu/drm/panel/panel-samsung-s6e63m0.c index b34fa4d5d..a0e569827 100644 --- a/drivers/gpu/drm/panel/panel-samsung-s6e63m0.c +++ b/drivers/gpu/drm/panel/panel-samsung-s6e63m0.c @@ -270,9 +270,6 @@ struct s6e63m0 { struct regulator_bulk_data supplies[2]; struct gpio_desc *reset_gpio; - bool prepared; - bool enabled; - /* * This field is tested by functions directly accessing bus before * transfer, transfer is skipped if it is set. In case of transfer @@ -502,9 +499,6 @@ static int s6e63m0_disable(struct drm_panel *panel) { struct s6e63m0 *ctx = panel_to_s6e63m0(panel); - if (!ctx->enabled) - return 0; - backlight_disable(ctx->bl_dev); s6e63m0_dcs_write_seq_static(ctx, MIPI_DCS_SET_DISPLAY_OFF); @@ -512,8 +506,6 @@ static int s6e63m0_disable(struct drm_panel *panel) s6e63m0_dcs_write_seq_static(ctx, MIPI_DCS_ENTER_SLEEP_MODE); msleep(120); - ctx->enabled = false; - return 0; } @@ -522,17 +514,12 @@ static int s6e63m0_unprepare(struct drm_panel *panel) struct s6e63m0 *ctx = panel_to_s6e63m0(panel); int ret; - if (!ctx->prepared) - return 0; - s6e63m0_clear_error(ctx); ret = s6e63m0_power_off(ctx); if (ret < 0) return ret; - ctx->prepared = false; - return 0; } @@ -541,9 +528,6 @@ static int s6e63m0_prepare(struct drm_panel *panel) struct s6e63m0 *ctx = panel_to_s6e63m0(panel); int ret; - if (ctx->prepared) - return 0; - ret = s6e63m0_power_on(ctx); if (ret < 0) return ret; @@ -564,8 +548,6 @@ static int s6e63m0_prepare(struct drm_panel *panel) if (ret < 0) s6e63m0_unprepare(panel); - ctx->prepared = true; - return ret; } @@ -573,9 +555,6 @@ static int s6e63m0_enable(struct drm_panel *panel) { struct s6e63m0 *ctx = panel_to_s6e63m0(panel); - if (ctx->enabled) - return 0; - s6e63m0_dcs_write_seq_static(ctx, MIPI_DCS_EXIT_SLEEP_MODE); msleep(120); s6e63m0_dcs_write_seq_static(ctx, MIPI_DCS_SET_DISPLAY_ON); @@ -588,8 +567,6 @@ static int s6e63m0_enable(struct drm_panel *panel) backlight_enable(ctx->bl_dev); - ctx->enabled = true; - return 0; } @@ -709,8 +686,6 @@ int s6e63m0_probe(struct device *dev, void *trsp, dev_set_drvdata(dev, ctx); ctx->dev = dev; - ctx->enabled = false; - ctx->prepared = false; ret = device_property_read_u32(dev, "max-brightness", &max_brightness); if (ret) diff --git a/drivers/gpu/drm/panel/panel-samsung-s6e88a0-ams452ef01.c b/drivers/gpu/drm/panel/panel-samsung-s6e88a0-ams452ef01.c index 7431cae74..d2df227ab 100644 --- a/drivers/gpu/drm/panel/panel-samsung-s6e88a0-ams452ef01.c +++ b/drivers/gpu/drm/panel/panel-samsung-s6e88a0-ams452ef01.c @@ -18,8 +18,6 @@ struct s6e88a0_ams452ef01 { struct mipi_dsi_device *dsi; struct regulator_bulk_data supplies[2]; struct gpio_desc *reset_gpio; - - bool prepared; }; static inline struct @@ -115,9 +113,6 @@ static int s6e88a0_ams452ef01_prepare(struct drm_panel *panel) struct device *dev = &ctx->dsi->dev; int ret; - if (ctx->prepared) - return 0; - ret = regulator_bulk_enable(ARRAY_SIZE(ctx->supplies), ctx->supplies); if (ret < 0) { dev_err(dev, "Failed to enable regulators: %d\n", ret); @@ -135,7 +130,6 @@ static int s6e88a0_ams452ef01_prepare(struct drm_panel *panel) return ret; } - ctx->prepared = true; return 0; } @@ -145,9 +139,6 @@ static int s6e88a0_ams452ef01_unprepare(struct drm_panel *panel) struct device *dev = &ctx->dsi->dev; int ret; - if (!ctx->prepared) - return 0; - ret = s6e88a0_ams452ef01_off(ctx); if (ret < 0) dev_err(dev, "Failed to un-initialize panel: %d\n", ret); @@ -155,7 +146,6 @@ static int s6e88a0_ams452ef01_unprepare(struct drm_panel *panel) gpiod_set_value_cansleep(ctx->reset_gpio, 0); regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), ctx->supplies); - ctx->prepared = false; return 0; } diff --git a/drivers/gpu/drm/panel/panel-samsung-sofef00.c b/drivers/gpu/drm/panel/panel-samsung-sofef00.c index cbf9607dd..04ce925b3 100644 --- a/drivers/gpu/drm/panel/panel-samsung-sofef00.c +++ b/drivers/gpu/drm/panel/panel-samsung-sofef00.c @@ -23,7 +23,6 @@ struct sofef00_panel { struct regulator *supply; struct gpio_desc *reset_gpio; const struct drm_display_mode *mode; - bool prepared; }; static inline @@ -113,9 +112,6 @@ static int sofef00_panel_prepare(struct drm_panel *panel) struct device *dev = &ctx->dsi->dev; int ret; - if (ctx->prepared) - return 0; - ret = regulator_enable(ctx->supply); if (ret < 0) { dev_err(dev, "Failed to enable regulator: %d\n", ret); @@ -131,7 +127,6 @@ static int sofef00_panel_prepare(struct drm_panel *panel) return ret; } - ctx->prepared = true; return 0; } @@ -141,16 +136,12 @@ static int sofef00_panel_unprepare(struct drm_panel *panel) struct device *dev = &ctx->dsi->dev; int ret; - if (!ctx->prepared) - return 0; - ret = sofef00_panel_off(ctx); if (ret < 0) dev_err(dev, "Failed to un-initialize panel: %d\n", ret); regulator_disable(ctx->supply); - ctx->prepared = false; return 0; } diff --git a/drivers/gpu/drm/panel/panel-sharp-ls060t1sx01.c b/drivers/gpu/drm/panel/panel-sharp-ls060t1sx01.c index 68f52eaaf..74c760ee0 100644 --- a/drivers/gpu/drm/panel/panel-sharp-ls060t1sx01.c +++ b/drivers/gpu/drm/panel/panel-sharp-ls060t1sx01.c @@ -24,7 +24,6 @@ struct sharp_ls060 { struct regulator *avdd_supply; struct regulator *avee_supply; struct gpio_desc *reset_gpio; - bool prepared; }; static inline struct sharp_ls060 *to_sharp_ls060(struct drm_panel *panel) @@ -101,9 +100,6 @@ static int sharp_ls060_prepare(struct drm_panel *panel) struct device *dev = &ctx->dsi->dev; int ret; - if (ctx->prepared) - return 0; - ret = regulator_enable(ctx->vddi_supply); if (ret < 0) return ret; @@ -134,8 +130,6 @@ static int sharp_ls060_prepare(struct drm_panel *panel) goto err_on; } - ctx->prepared = true; - return 0; err_on: @@ -163,9 +157,6 @@ static int sharp_ls060_unprepare(struct drm_panel *panel) struct device *dev = &ctx->dsi->dev; int ret; - if (!ctx->prepared) - return 0; - ret = sharp_ls060_off(ctx); if (ret < 0) dev_err(dev, "Failed to un-initialize panel: %d\n", ret); @@ -181,7 +172,6 @@ static int sharp_ls060_unprepare(struct drm_panel *panel) regulator_disable(ctx->vddi_supply); - ctx->prepared = false; return 0; } diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c index 51f838bef..1ba633fd5 100644 --- a/drivers/gpu/drm/panel/panel-simple.c +++ b/drivers/gpu/drm/panel/panel-simple.c @@ -40,6 +40,7 @@ #include <drm/drm_edid.h> #include <drm/drm_mipi_dsi.h> #include <drm/drm_panel.h> +#include <drm/drm_of.h> /** * struct panel_desc - Describes a simple panel. @@ -549,6 +550,51 @@ static void panel_simple_parse_panel_timing_node(struct device *dev, dev_err(dev, "Reject override mode: No display_timing found\n"); } +static int panel_simple_override_nondefault_lvds_datamapping(struct device *dev, + struct panel_simple *panel) +{ + int ret, bpc; + + ret = drm_of_lvds_get_data_mapping(dev->of_node); + if (ret < 0) { + if (ret == -EINVAL) + dev_warn(dev, "Ignore invalid data-mapping property\n"); + + /* + * Ignore non-existing or malformatted property, fallback to + * default data-mapping, and return 0. + */ + return 0; + } + + switch (ret) { + default: + WARN_ON(1); + fallthrough; + case MEDIA_BUS_FMT_RGB888_1X7X4_SPWG: + fallthrough; + case MEDIA_BUS_FMT_RGB888_1X7X4_JEIDA: + bpc = 8; + break; + case MEDIA_BUS_FMT_RGB666_1X7X3_SPWG: + bpc = 6; + } + + if (panel->desc->bpc != bpc || panel->desc->bus_format != ret) { + struct panel_desc *override_desc; + + override_desc = devm_kmemdup(dev, panel->desc, sizeof(*panel->desc), GFP_KERNEL); + if (!override_desc) + return -ENOMEM; + + override_desc->bus_format = ret; + override_desc->bpc = bpc; + panel->desc = override_desc; + } + + return 0; +} + static int panel_simple_probe(struct device *dev, const struct panel_desc *desc) { struct panel_simple *panel; @@ -601,6 +647,13 @@ static int panel_simple_probe(struct device *dev, const struct panel_desc *desc) panel_simple_parse_panel_timing_node(dev, panel, &dt); } + if (desc->connector_type == DRM_MODE_CONNECTOR_LVDS) { + /* Optional data-mapping property for overriding bus format */ + err = panel_simple_override_nondefault_lvds_datamapping(dev, panel); + if (err) + goto free_ddc; + } + connector_type = desc->connector_type; /* Catch common mistakes for panels. */ switch (connector_type) { @@ -2826,6 +2879,32 @@ static const struct panel_desc mitsubishi_aa070mc01 = { .bus_flags = DRM_BUS_FLAG_DE_HIGH, }; +static const struct drm_display_mode mitsubishi_aa084xe01_mode = { + .clock = 56234, + .hdisplay = 1024, + .hsync_start = 1024 + 24, + .hsync_end = 1024 + 24 + 63, + .htotal = 1024 + 24 + 63 + 1, + .vdisplay = 768, + .vsync_start = 768 + 3, + .vsync_end = 768 + 3 + 6, + .vtotal = 768 + 3 + 6 + 1, + .flags = DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC, +}; + +static const struct panel_desc mitsubishi_aa084xe01 = { + .modes = &mitsubishi_aa084xe01_mode, + .num_modes = 1, + .bpc = 8, + .size = { + .width = 1024, + .height = 768, + }, + .bus_format = MEDIA_BUS_FMT_RGB565_1X16, + .connector_type = DRM_MODE_CONNECTOR_DPI, + .bus_flags = DRM_BUS_FLAG_DE_HIGH | DRM_BUS_FLAG_PIXDATA_SAMPLE_NEGEDGE, +}; + static const struct display_timing multi_inno_mi0700s4t_6_timing = { .pixelclock = { 29000000, 33000000, 38000000 }, .hactive = { 800, 800, 800 }, @@ -4360,6 +4439,9 @@ static const struct of_device_id platform_of_match[] = { .compatible = "mitsubishi,aa070mc01-ca1", .data = &mitsubishi_aa070mc01, }, { + .compatible = "mitsubishi,aa084xe01", + .data = &mitsubishi_aa084xe01, + }, { .compatible = "multi-inno,mi0700s4t-6", .data = &multi_inno_mi0700s4t_6, }, { diff --git a/drivers/gpu/drm/panel/panel-sitronix-st7703.c b/drivers/gpu/drm/panel/panel-sitronix-st7703.c index 7bb723d44..b55bafd1a 100644 --- a/drivers/gpu/drm/panel/panel-sitronix-st7703.c +++ b/drivers/gpu/drm/panel/panel-sitronix-st7703.c @@ -130,6 +130,7 @@ static int jh057n_init_sequence(struct st7703 *ctx) 0x18, 0x00, 0x09, 0x0E, 0x29, 0x2D, 0x3C, 0x41, 0x37, 0x07, 0x0B, 0x0D, 0x10, 0x11, 0x0F, 0x10, 0x11, 0x18); + msleep(20); return 0; } @@ -276,7 +277,6 @@ static int xbd599_init_sequence(struct st7703 *ctx) mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETBGP, 0x07, /* VREF_SEL = 4.2V */ 0x07 /* NVREF_SEL = 4.2V */); - msleep(20); mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETVCOM, 0x2C, /* VCOMDC_F = -0.67V */ @@ -433,6 +433,94 @@ static const struct st7703_panel_desc rg353v2_desc = { .init_sequence = rg353v2_init_sequence, }; +static int rgb30panel_init_sequence(struct st7703 *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; +} + +static const struct drm_display_mode rgb30panel_mode = { + .hdisplay = 720, + .hsync_start = 720 + 45, + .hsync_end = 720 + 45 + 4, + .htotal = 720 + 45 + 4 + 45, + .vdisplay = 720, + .vsync_start = 720 + 15, + .vsync_end = 720 + 15 + 3, + .vtotal = 720 + 15 + 3 + 11, + .clock = 36570, + .flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC, + .width_mm = 76, + .height_mm = 76, +}; + +static const struct st7703_panel_desc rgb30panel_desc = { + .mode = &rgb30panel_mode, + .lanes = 4, + .mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST | + MIPI_DSI_MODE_NO_EOT_PACKET | MIPI_DSI_MODE_LPM, + .format = MIPI_DSI_FMT_RGB888, + .init_sequence = rgb30panel_init_sequence, +}; + static int st7703_enable(struct drm_panel *panel) { struct st7703 *ctx = panel_to_st7703(panel); @@ -445,16 +533,14 @@ static int st7703_enable(struct drm_panel *panel) return ret; } - msleep(20); - 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; } - /* Panel is operational 120 msec after reset */ - msleep(60); + /* It takes the controller 120 msec to wake up after sleep. */ + msleep(120); ret = mipi_dsi_dcs_set_display_on(dsi); if (ret) @@ -479,6 +565,9 @@ static int st7703_disable(struct drm_panel *panel) if (ret < 0) dev_err(ctx->dev, "Failed to enter sleep mode: %d\n", ret); + /* It takes the controller 120 msec to enter sleep mode. */ + msleep(120); + return 0; } @@ -695,6 +784,7 @@ static void st7703_remove(struct mipi_dsi_device *dsi) static const struct of_device_id st7703_of_match[] = { { .compatible = "anbernic,rg353v-panel-v2", .data = &rg353v2_desc }, + { .compatible = "powkiddy,rgb30-panel", .data = &rgb30panel_desc }, { .compatible = "rocktech,jh057n00900", .data = &jh057n00900_panel_desc }, { .compatible = "xingbangda,xbd599", .data = &xbd599_desc }, { /* sentinel */ } diff --git a/drivers/gpu/drm/panel/panel-sony-td4353-jdi.c b/drivers/gpu/drm/panel/panel-sony-td4353-jdi.c index 1bde2f017..472195d4b 100644 --- a/drivers/gpu/drm/panel/panel-sony-td4353-jdi.c +++ b/drivers/gpu/drm/panel/panel-sony-td4353-jdi.c @@ -36,7 +36,6 @@ struct sony_td4353_jdi { struct regulator_bulk_data supplies[3]; struct gpio_desc *panel_reset_gpio; struct gpio_desc *touch_reset_gpio; - bool prepared; int type; }; @@ -150,9 +149,6 @@ static int sony_td4353_jdi_prepare(struct drm_panel *panel) struct device *dev = &ctx->dsi->dev; int ret; - if (ctx->prepared) - return 0; - ret = regulator_bulk_enable(ARRAY_SIZE(ctx->supplies), ctx->supplies); if (ret < 0) { dev_err(dev, "Failed to enable regulators: %d\n", ret); @@ -171,7 +167,6 @@ static int sony_td4353_jdi_prepare(struct drm_panel *panel) return ret; } - ctx->prepared = true; return 0; } @@ -181,9 +176,6 @@ static int sony_td4353_jdi_unprepare(struct drm_panel *panel) struct device *dev = &ctx->dsi->dev; int ret; - if (!ctx->prepared) - return 0; - ret = sony_td4353_jdi_off(ctx); if (ret < 0) dev_err(dev, "Failed to power off panel: %d\n", ret); @@ -191,7 +183,6 @@ static int sony_td4353_jdi_unprepare(struct drm_panel *panel) sony_td4353_assert_reset_gpios(ctx, 0); regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), ctx->supplies); - ctx->prepared = false; return 0; } diff --git a/drivers/gpu/drm/panel/panel-sony-tulip-truly-nt35521.c b/drivers/gpu/drm/panel/panel-sony-tulip-truly-nt35521.c index ee5d20ecc..6d44970dc 100644 --- a/drivers/gpu/drm/panel/panel-sony-tulip-truly-nt35521.c +++ b/drivers/gpu/drm/panel/panel-sony-tulip-truly-nt35521.c @@ -23,8 +23,6 @@ struct truly_nt35521 { struct regulator_bulk_data supplies[2]; struct gpio_desc *reset_gpio; struct gpio_desc *blen_gpio; - bool prepared; - bool enabled; }; static inline @@ -296,9 +294,6 @@ static int truly_nt35521_prepare(struct drm_panel *panel) struct device *dev = &ctx->dsi->dev; int ret; - if (ctx->prepared) - return 0; - ret = regulator_bulk_enable(ARRAY_SIZE(ctx->supplies), ctx->supplies); if (ret < 0) { dev_err(dev, "Failed to enable regulators: %d\n", ret); @@ -314,7 +309,6 @@ static int truly_nt35521_prepare(struct drm_panel *panel) return ret; } - ctx->prepared = true; return 0; } @@ -324,9 +318,6 @@ static int truly_nt35521_unprepare(struct drm_panel *panel) struct device *dev = &ctx->dsi->dev; int ret; - if (!ctx->prepared) - return 0; - ret = truly_nt35521_off(ctx); if (ret < 0) dev_err(dev, "Failed to un-initialize panel: %d\n", ret); @@ -335,7 +326,6 @@ static int truly_nt35521_unprepare(struct drm_panel *panel) regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), ctx->supplies); - ctx->prepared = false; return 0; } @@ -343,12 +333,8 @@ static int truly_nt35521_enable(struct drm_panel *panel) { struct truly_nt35521 *ctx = to_truly_nt35521(panel); - if (ctx->enabled) - return 0; - gpiod_set_value_cansleep(ctx->blen_gpio, 1); - ctx->enabled = true; return 0; } @@ -356,12 +342,8 @@ static int truly_nt35521_disable(struct drm_panel *panel) { struct truly_nt35521 *ctx = to_truly_nt35521(panel); - if (!ctx->enabled) - return 0; - gpiod_set_value_cansleep(ctx->blen_gpio, 0); - ctx->enabled = false; return 0; } diff --git a/drivers/gpu/drm/panel/panel-startek-kd070fhfid015.c b/drivers/gpu/drm/panel/panel-startek-kd070fhfid015.c index 6e77a2d71..0156689f4 100644 --- a/drivers/gpu/drm/panel/panel-startek-kd070fhfid015.c +++ b/drivers/gpu/drm/panel/panel-startek-kd070fhfid015.c @@ -35,7 +35,6 @@ enum { }; struct stk_panel { - bool prepared; const struct drm_display_mode *mode; struct backlight_device *backlight; struct drm_panel base; @@ -145,16 +144,11 @@ static int stk_panel_unprepare(struct drm_panel *panel) { struct stk_panel *stk = to_stk_panel(panel); - if (!stk->prepared) - return 0; - stk_panel_off(stk); regulator_bulk_disable(ARRAY_SIZE(stk->supplies), stk->supplies); gpiod_set_value(stk->reset_gpio, 0); gpiod_set_value(stk->enable_gpio, 1); - stk->prepared = false; - return 0; } @@ -164,9 +158,6 @@ static int stk_panel_prepare(struct drm_panel *panel) struct device *dev = &stk->dsi->dev; int ret; - if (stk->prepared) - return 0; - gpiod_set_value(stk->reset_gpio, 0); gpiod_set_value(stk->enable_gpio, 0); ret = regulator_enable(stk->supplies[IOVCC].consumer); @@ -195,8 +186,6 @@ static int stk_panel_prepare(struct drm_panel *panel) goto poweroff; } - stk->prepared = true; - return 0; poweroff: diff --git a/drivers/gpu/drm/panel/panel-truly-nt35597.c b/drivers/gpu/drm/panel/panel-truly-nt35597.c index 4f4009f9f..b73448cf3 100644 --- a/drivers/gpu/drm/panel/panel-truly-nt35597.c +++ b/drivers/gpu/drm/panel/panel-truly-nt35597.c @@ -64,8 +64,6 @@ struct truly_nt35597 { struct mipi_dsi_device *dsi[2]; const struct nt35597_config *config; - bool prepared; - bool enabled; }; static inline struct truly_nt35597 *panel_to_ctx(struct drm_panel *panel) @@ -313,16 +311,12 @@ static int truly_nt35597_disable(struct drm_panel *panel) struct truly_nt35597 *ctx = panel_to_ctx(panel); int ret; - if (!ctx->enabled) - return 0; - if (ctx->backlight) { ret = backlight_disable(ctx->backlight); if (ret < 0) dev_err(ctx->dev, "backlight disable failed %d\n", ret); } - ctx->enabled = false; return 0; } @@ -331,9 +325,6 @@ static int truly_nt35597_unprepare(struct drm_panel *panel) struct truly_nt35597 *ctx = panel_to_ctx(panel); int ret = 0; - if (!ctx->prepared) - return 0; - ctx->dsi[0]->mode_flags = 0; ctx->dsi[1]->mode_flags = 0; @@ -354,7 +345,6 @@ static int truly_nt35597_unprepare(struct drm_panel *panel) if (ret < 0) dev_err(ctx->dev, "power_off failed ret = %d\n", ret); - ctx->prepared = false; return ret; } @@ -367,9 +357,6 @@ static int truly_nt35597_prepare(struct drm_panel *panel) const struct nt35597_config *config; u32 num_cmds; - if (ctx->prepared) - return 0; - ret = truly_35597_power_on(ctx); if (ret < 0) return ret; @@ -409,8 +396,6 @@ static int truly_nt35597_prepare(struct drm_panel *panel) /* Per DSI spec wait 120ms after sending set_display_on DCS command */ msleep(120); - ctx->prepared = true; - return 0; power_off: @@ -424,17 +409,12 @@ static int truly_nt35597_enable(struct drm_panel *panel) struct truly_nt35597 *ctx = panel_to_ctx(panel); int ret; - if (ctx->enabled) - return 0; - if (ctx->backlight) { ret = backlight_enable(ctx->backlight); if (ret < 0) dev_err(ctx->dev, "backlight enable failed %d\n", ret); } - ctx->enabled = true; - return 0; } diff --git a/drivers/gpu/drm/panel/panel-visionox-r66451.c b/drivers/gpu/drm/panel/panel-visionox-r66451.c index 00fc28ad3..fbb73464d 100644 --- a/drivers/gpu/drm/panel/panel-visionox-r66451.c +++ b/drivers/gpu/drm/panel/panel-visionox-r66451.c @@ -22,7 +22,6 @@ struct visionox_r66451 { struct mipi_dsi_device *dsi; struct gpio_desc *reset_gpio; struct regulator_bulk_data supplies[2]; - bool prepared, enabled; }; static inline struct visionox_r66451 *to_visionox_r66451(struct drm_panel *panel) @@ -124,9 +123,6 @@ static int visionox_r66451_prepare(struct drm_panel *panel) struct device *dev = &dsi->dev; int ret; - if (ctx->prepared) - return 0; - ret = regulator_bulk_enable(ARRAY_SIZE(ctx->supplies), ctx->supplies); if (ret < 0) @@ -144,7 +140,6 @@ static int visionox_r66451_prepare(struct drm_panel *panel) mipi_dsi_compression_mode(ctx->dsi, true); - ctx->prepared = true; return 0; } @@ -154,9 +149,6 @@ static int visionox_r66451_unprepare(struct drm_panel *panel) struct device *dev = &ctx->dsi->dev; int ret; - if (!ctx->prepared) - return 0; - ret = visionox_r66451_off(ctx); if (ret < 0) dev_err(dev, "Failed to un-initialize panel: %d\n", ret); @@ -164,7 +156,6 @@ static int visionox_r66451_unprepare(struct drm_panel *panel) gpiod_set_value_cansleep(ctx->reset_gpio, 1); regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), ctx->supplies); - ctx->prepared = false; return 0; } @@ -190,9 +181,6 @@ static int visionox_r66451_enable(struct drm_panel *panel) struct drm_dsc_picture_parameter_set pps; int ret; - if (ctx->enabled) - return 0; - if (!dsi->dsc) { dev_err(&dsi->dev, "DSC not attached to DSI\n"); return -ENODEV; @@ -219,8 +207,6 @@ static int visionox_r66451_enable(struct drm_panel *panel) } msleep(20); - ctx->enabled = true; - return 0; } @@ -231,8 +217,6 @@ static int visionox_r66451_disable(struct drm_panel *panel) struct device *dev = &dsi->dev; int ret; - ctx->enabled = false; - ret = mipi_dsi_dcs_set_display_off(dsi); if (ret < 0) { dev_err(dev, "Failed to set display off: %d\n", ret); diff --git a/drivers/gpu/drm/panel/panel-visionox-rm69299.c b/drivers/gpu/drm/panel/panel-visionox-rm69299.c index c2806e4fd..775144695 100644 --- a/drivers/gpu/drm/panel/panel-visionox-rm69299.c +++ b/drivers/gpu/drm/panel/panel-visionox-rm69299.c @@ -20,8 +20,6 @@ struct visionox_rm69299 { struct regulator_bulk_data supplies[2]; struct gpio_desc *reset_gpio; struct mipi_dsi_device *dsi; - bool prepared; - bool enabled; }; static inline struct visionox_rm69299 *panel_to_ctx(struct drm_panel *panel) @@ -80,7 +78,6 @@ static int visionox_rm69299_unprepare(struct drm_panel *panel) ret = visionox_rm69299_power_off(ctx); - ctx->prepared = false; return ret; } @@ -89,9 +86,6 @@ static int visionox_rm69299_prepare(struct drm_panel *panel) struct visionox_rm69299 *ctx = panel_to_ctx(panel); int ret; - if (ctx->prepared) - return 0; - ret = visionox_rm69299_power_on(ctx); if (ret < 0) return ret; @@ -140,8 +134,6 @@ static int visionox_rm69299_prepare(struct drm_panel *panel) /* Per DSI spec wait 120ms after sending set_display_on DCS command */ msleep(120); - ctx->prepared = true; - return 0; power_off: diff --git a/drivers/gpu/drm/panel/panel-visionox-vtdr6130.c b/drivers/gpu/drm/panel/panel-visionox-vtdr6130.c index bb0dfd86e..a23407b9f 100644 --- a/drivers/gpu/drm/panel/panel-visionox-vtdr6130.c +++ b/drivers/gpu/drm/panel/panel-visionox-vtdr6130.c @@ -20,7 +20,6 @@ struct visionox_vtdr6130 { struct mipi_dsi_device *dsi; struct gpio_desc *reset_gpio; struct regulator_bulk_data supplies[3]; - bool prepared; }; static inline struct visionox_vtdr6130 *to_visionox_vtdr6130(struct drm_panel *panel) @@ -157,9 +156,6 @@ static int visionox_vtdr6130_prepare(struct drm_panel *panel) struct device *dev = &ctx->dsi->dev; int ret; - if (ctx->prepared) - return 0; - ret = regulator_bulk_enable(ARRAY_SIZE(ctx->supplies), ctx->supplies); if (ret < 0) @@ -175,7 +171,6 @@ static int visionox_vtdr6130_prepare(struct drm_panel *panel) return ret; } - ctx->prepared = true; return 0; } @@ -185,9 +180,6 @@ static int visionox_vtdr6130_unprepare(struct drm_panel *panel) struct device *dev = &ctx->dsi->dev; int ret; - if (!ctx->prepared) - return 0; - ret = visionox_vtdr6130_off(ctx); if (ret < 0) dev_err(dev, "Failed to un-initialize panel: %d\n", ret); @@ -196,7 +188,6 @@ static int visionox_vtdr6130_unprepare(struct drm_panel *panel) regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), ctx->supplies); - ctx->prepared = false; return 0; } |