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[176.58.251.75]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4956a4f24bcsm12215465e9.1.2026.07.21.10.27.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 21 Jul 2026 10:27:23 -0700 (PDT) From: Michail Tatas To: michael@amarulasolutions.com, neil.armstrong@linaro.org, jesszhan0024@gmail.com, maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de, airlied@gmail.com, simona@ffwll.ch, dianders@chromium.org Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Michail Tatas Subject: [PATCH v3 2/3] drm/panel: ilitek-ili9805: Use dsi_multi in init Date: Tue, 21 Jul 2026 20:27:14 +0300 Message-ID: <20260721172715.602196-3-michail.tatas@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260721172715.602196-1-michail.tatas@gmail.com> References: <20260721172715.602196-1-michail.tatas@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Drop the struct ili9805_instr and the init table and use init functions. Signed-off-by: Michail Tatas Reviewed-by: Neil Armstrong Reviewed-by: Douglas Anderson --- drivers/gpu/drm/panel/panel-ilitek-ili9805.c | 160 +++++++++---------- 1 file changed, 76 insertions(+), 84 deletions(-) diff --git a/drivers/gpu/drm/panel/panel-ilitek-ili9805.c b/drivers/gpu/drm/panel/panel-ilitek-ili9805.c index 7e9587afebbe..909661f67d26 100644 --- a/drivers/gpu/drm/panel/panel-ilitek-ili9805.c +++ b/drivers/gpu/drm/panel/panel-ilitek-ili9805.c @@ -25,22 +25,9 @@ #define ILI9805_SETEXTC_PARAMETER2 (0x98) #define ILI9805_SETEXTC_PARAMETER3 (0x05) -#define ILI9805_INSTR(_delay, ...) { \ - .delay = (_delay), \ - .len = sizeof((u8[]) {__VA_ARGS__}), \ - .data = (u8[]){__VA_ARGS__} \ - } - -struct ili9805_instr { - size_t len; - const u8 *data; - u32 delay; -}; - struct ili9805_desc { const char *name; - const struct ili9805_instr *init; - const size_t init_length; + void (*init)(struct mipi_dsi_multi_context *ctx); const struct drm_display_mode *mode; u32 width_mm; u32 height_mm; @@ -56,65 +43,80 @@ struct ili9805 { struct gpio_desc *reset_gpio; }; -static const struct ili9805_instr gpm1780a0_init[] = { - ILI9805_INSTR(100, ILI9805_EXTCMD_CMD_SET_ENABLE_REG, ILI9805_SETEXTC_PARAMETER1, - ILI9805_SETEXTC_PARAMETER2, ILI9805_SETEXTC_PARAMETER3), - ILI9805_INSTR(100, 0xFD, 0x0F, 0x10, 0x44, 0x00), - ILI9805_INSTR(0, 0xf8, 0x18, 0x02, 0x02, 0x18, 0x02, 0x02, 0x30, 0x00, - 0x00, 0x30, 0x00, 0x00, 0x30, 0x00, 0x00), - ILI9805_INSTR(0, 0xB8, 0x62), - ILI9805_INSTR(0, 0xF1, 0x00), - ILI9805_INSTR(0, 0xF2, 0x00, 0x58, 0x40), - ILI9805_INSTR(0, 0xF3, 0x60, 0x83, 0x04), - ILI9805_INSTR(0, 0xFC, 0x04, 0x0F, 0x01), - ILI9805_INSTR(0, 0xEB, 0x08, 0x0F), - ILI9805_INSTR(0, 0xe0, 0x00, 0x08, 0x0d, 0x0e, 0x0e, 0x0d, 0x0a, 0x08, 0x04, - 0x08, 0x0d, 0x0f, 0x0b, 0x1c, 0x14, 0x0a), - ILI9805_INSTR(0, 0xe1, 0x00, 0x08, 0x0d, 0x0e, 0x0e, 0x0d, 0x0a, 0x08, 0x04, - 0x08, 0x0d, 0x0f, 0x0b, 0x1c, 0x14, 0x0a), - ILI9805_INSTR(10, 0xc1, 0x13, 0x39, 0x19, 0x06), - ILI9805_INSTR(10, 0xc7, 0xe5), - ILI9805_INSTR(10, 0xB1, 0x00, 0x12, 0x14), - ILI9805_INSTR(10, 0xB4, 0x02), - ILI9805_INSTR(0, 0xBB, 0x14, 0x55), - ILI9805_INSTR(0, MIPI_DCS_SET_ADDRESS_MODE, 0x08), - ILI9805_INSTR(0, MIPI_DCS_SET_PIXEL_FORMAT, 0x77), - ILI9805_INSTR(0, 0x20), - ILI9805_INSTR(0, 0xB0, 0x01), - ILI9805_INSTR(0, 0xB6, 0x31, 0x00, 0xef), - ILI9805_INSTR(0, 0xDF, 0x23), - ILI9805_INSTR(0, 0xB9, 0x02, 0x00), -}; +static void gpm1780a0_init(struct mipi_dsi_multi_context *ctx) +{ + mipi_dsi_dcs_write_seq_multi(ctx, ILI9805_EXTCMD_CMD_SET_ENABLE_REG, + ILI9805_SETEXTC_PARAMETER1, ILI9805_SETEXTC_PARAMETER2, + ILI9805_SETEXTC_PARAMETER3); + mipi_dsi_msleep(ctx, 100); + mipi_dsi_dcs_write_seq_multi(ctx, 0xfd, 0x0f, 0x10, 0x44, 0x00); + mipi_dsi_msleep(ctx, 100); + mipi_dsi_dcs_write_seq_multi(ctx, 0xf8, 0x18, 0x02, 0x02, 0x18, 0x02, 0x02, 0x30, 0x00, + 0x00, 0x30, 0x00, 0x00, 0x30, 0x00, 0x00); + mipi_dsi_dcs_write_seq_multi(ctx, 0xb8, 0x62); + mipi_dsi_dcs_write_seq_multi(ctx, 0xf1, 0x00); + mipi_dsi_dcs_write_seq_multi(ctx, 0xf2, 0x00, 0x58, 0x40); + mipi_dsi_dcs_write_seq_multi(ctx, 0xf3, 0x60, 0x83, 0x04); + mipi_dsi_dcs_write_seq_multi(ctx, 0xfc, 0x04, 0x0f, 0x01); + mipi_dsi_dcs_write_seq_multi(ctx, 0xeb, 0x08, 0x0f); + mipi_dsi_dcs_write_seq_multi(ctx, 0xe0, 0x00, 0x08, 0x0d, 0x0e, 0x0e, 0x0d, 0x0a, 0x08, + 0x04, 0x08, 0x0d, 0x0f, 0x0b, 0x1c, 0x14, 0x0a); + mipi_dsi_dcs_write_seq_multi(ctx, 0xe1, 0x00, 0x08, 0x0d, 0x0e, 0x0e, 0x0d, 0x0a, 0x08, + 0x04, 0x08, 0x0d, 0x0f, 0x0b, 0x1c, 0x14, 0x0a); + mipi_dsi_dcs_write_seq_multi(ctx, 0xc1, 0x13, 0x39, 0x19, 0x06); + mipi_dsi_msleep(ctx, 10); + mipi_dsi_dcs_write_seq_multi(ctx, 0xc7, 0xe5); + mipi_dsi_msleep(ctx, 10); + mipi_dsi_dcs_write_seq_multi(ctx, 0xb1, 0x00, 0x12, 0x14); + mipi_dsi_msleep(ctx, 10); + mipi_dsi_dcs_write_seq_multi(ctx, 0xb4, 0x02); + mipi_dsi_msleep(ctx, 10); + mipi_dsi_dcs_write_seq_multi(ctx, 0xbb, 0x14, 0x55); + mipi_dsi_dcs_write_seq_multi(ctx, MIPI_DCS_SET_ADDRESS_MODE, 0x08); + mipi_dsi_dcs_write_seq_multi(ctx, MIPI_DCS_SET_PIXEL_FORMAT, 0x77); + mipi_dsi_dcs_write_seq_multi(ctx, 0x20); + mipi_dsi_dcs_write_seq_multi(ctx, 0xb0, 0x01); + mipi_dsi_dcs_write_seq_multi(ctx, 0xb6, 0x31, 0x00, 0xef); + mipi_dsi_dcs_write_seq_multi(ctx, 0xdf, 0x23); + mipi_dsi_dcs_write_seq_multi(ctx, 0xb9, 0x02, 0x00); +} -static const struct ili9805_instr tm041xdhg01_init[] = { - ILI9805_INSTR(100, ILI9805_EXTCMD_CMD_SET_ENABLE_REG, ILI9805_SETEXTC_PARAMETER1, - ILI9805_SETEXTC_PARAMETER2, ILI9805_SETEXTC_PARAMETER3), - ILI9805_INSTR(100, 0xFD, 0x0F, 0x13, 0x44, 0x00), - ILI9805_INSTR(0, 0xf8, 0x18, 0x02, 0x02, 0x18, 0x02, 0x02, 0x30, 0x01, - 0x01, 0x30, 0x01, 0x01, 0x30, 0x01, 0x01), - ILI9805_INSTR(0, 0xB8, 0x74), - ILI9805_INSTR(0, 0xF1, 0x00), - ILI9805_INSTR(0, 0xF2, 0x00, 0x58, 0x40), - ILI9805_INSTR(0, 0xFC, 0x04, 0x0F, 0x01), - ILI9805_INSTR(0, 0xEB, 0x08, 0x0F), - ILI9805_INSTR(0, 0xe0, 0x01, 0x0d, 0x15, 0x0e, 0x0f, 0x0f, 0x0b, 0x08, 0x04, - 0x07, 0x0a, 0x0d, 0x0c, 0x15, 0x0f, 0x08), - ILI9805_INSTR(0, 0xe1, 0x01, 0x0d, 0x15, 0x0e, 0x0f, 0x0f, 0x0b, 0x08, 0x04, - 0x07, 0x0a, 0x0d, 0x0c, 0x15, 0x0f, 0x08), - ILI9805_INSTR(10, 0xc1, 0x15, 0x03, 0x03, 0x31), - ILI9805_INSTR(10, 0xB1, 0x00, 0x12, 0x14), - ILI9805_INSTR(10, 0xB4, 0x02), - ILI9805_INSTR(0, 0xBB, 0x14, 0x55), - ILI9805_INSTR(0, MIPI_DCS_SET_ADDRESS_MODE, 0x0a), - ILI9805_INSTR(0, MIPI_DCS_SET_PIXEL_FORMAT, 0x77), - ILI9805_INSTR(0, 0x20), - ILI9805_INSTR(0, 0xB0, 0x00), - ILI9805_INSTR(0, 0xB6, 0x01), - ILI9805_INSTR(0, 0xc2, 0x11), - ILI9805_INSTR(0, 0x51, 0xFF), - ILI9805_INSTR(0, 0x53, 0x24), - ILI9805_INSTR(0, 0x55, 0x00), -}; +static void tm041xdhg01_init(struct mipi_dsi_multi_context *ctx) +{ + mipi_dsi_dcs_write_seq_multi(ctx, ILI9805_EXTCMD_CMD_SET_ENABLE_REG, + ILI9805_SETEXTC_PARAMETER1, ILI9805_SETEXTC_PARAMETER2, + ILI9805_SETEXTC_PARAMETER3); + mipi_dsi_msleep(ctx, 100); + mipi_dsi_dcs_write_seq_multi(ctx, 0xfd, 0x0f, 0x13, 0x44, 0x00); + mipi_dsi_msleep(ctx, 100); + mipi_dsi_dcs_write_seq_multi(ctx, 0xf8, 0x18, 0x02, 0x02, 0x18, 0x02, 0x02, 0x30, 0x01, + 0x01, 0x30, 0x01, 0x01, 0x30, 0x01, 0x01); + mipi_dsi_dcs_write_seq_multi(ctx, 0xb8, 0x74); + mipi_dsi_dcs_write_seq_multi(ctx, 0xf1, 0x00); + mipi_dsi_dcs_write_seq_multi(ctx, 0xf2, 0x00, 0x58, 0x40); + mipi_dsi_dcs_write_seq_multi(ctx, 0xfc, 0x04, 0x0f, 0x01); + mipi_dsi_dcs_write_seq_multi(ctx, 0xeb, 0x08, 0x0f); + mipi_dsi_dcs_write_seq_multi(ctx, 0xe0, 0x01, 0x0d, 0x15, 0x0e, 0x0f, 0x0f, 0x0b, 0x08, + 0x04, 0x07, 0x0a, 0x0d, 0x0c, 0x15, 0x0f, 0x08); + mipi_dsi_dcs_write_seq_multi(ctx, 0xe1, 0x01, 0x0d, 0x15, 0x0e, 0x0f, 0x0f, 0x0b, 0x08, + 0x04, 0x07, 0x0a, 0x0d, 0x0c, 0x15, 0x0f, 0x08); + mipi_dsi_dcs_write_seq_multi(ctx, 0xc1, 0x15, 0x03, 0x03, 0x31); + mipi_dsi_msleep(ctx, 10); + mipi_dsi_dcs_write_seq_multi(ctx, 0xb1, 0x00, 0x12, 0x14); + mipi_dsi_msleep(ctx, 10); + mipi_dsi_dcs_write_seq_multi(ctx, 0xb4, 0x02); + mipi_dsi_msleep(ctx, 10); + mipi_dsi_dcs_write_seq_multi(ctx, 0xbb, 0x14, 0x55); + mipi_dsi_dcs_write_seq_multi(ctx, MIPI_DCS_SET_ADDRESS_MODE, 0x0a); + mipi_dsi_dcs_write_seq_multi(ctx, MIPI_DCS_SET_PIXEL_FORMAT, 0x77); + mipi_dsi_dcs_write_seq_multi(ctx, 0x20); + mipi_dsi_dcs_write_seq_multi(ctx, 0xb0, 0x00); + mipi_dsi_dcs_write_seq_multi(ctx, 0xb6, 0x01); + mipi_dsi_dcs_write_seq_multi(ctx, 0xc2, 0x11); + mipi_dsi_dcs_write_seq_multi(ctx, 0x51, 0xff); + mipi_dsi_dcs_write_seq_multi(ctx, 0x53, 0x24); + mipi_dsi_dcs_write_seq_multi(ctx, 0x55, 0x00); +} static inline struct ili9805 *panel_to_ili9805(struct drm_panel *panel) { @@ -160,16 +162,8 @@ static int ili9805_power_off(struct ili9805 *ctx) static int ili9805_activate(struct ili9805 *ctx) { struct mipi_dsi_multi_context dsi_ctx = { .dsi = ctx->dsi }; - int i; - for (i = 0; i < ctx->desc->init_length; i++) { - const struct ili9805_instr *instr = &ctx->desc->init[i]; - - mipi_dsi_dcs_write_buffer_multi(&dsi_ctx, instr->data, instr->len); - - if (instr->delay > 0) - mipi_dsi_msleep(&dsi_ctx, instr->delay); - } + ctx->desc->init(&dsi_ctx); mipi_dsi_dcs_exit_sleep_mode_multi(&dsi_ctx); mipi_dsi_usleep_range(&dsi_ctx, 5000, 6000); @@ -246,7 +240,7 @@ static const struct drm_display_mode tm041xdhg01_timing = { }; static int ili9805_get_modes(struct drm_panel *panel, - struct drm_connector *connector) + struct drm_connector *connector) { struct ili9805 *ctx = panel_to_ili9805(panel); struct drm_display_mode *mode; @@ -343,7 +337,6 @@ static void ili9805_dsi_remove(struct mipi_dsi_device *dsi) static const struct ili9805_desc gpm1780a0_desc = { .init = gpm1780a0_init, - .init_length = ARRAY_SIZE(gpm1780a0_init), .mode = &gpm1780a0_timing, .width_mm = 65, .height_mm = 65, @@ -351,7 +344,6 @@ static const struct ili9805_desc gpm1780a0_desc = { static const struct ili9805_desc tm041xdhg01_desc = { .init = tm041xdhg01_init, - .init_length = ARRAY_SIZE(tm041xdhg01_init), .mode = &tm041xdhg01_timing, .width_mm = 42, .height_mm = 96, -- 2.43.0