While the default panel uses invert mode, some panels require non-invert mode instead. Signed-off-by: Sebastian Reichel <sre@xxxxxxxxxx> --- drivers/gpu/drm/panel/panel-sitronix-st7789v.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/panel/panel-sitronix-st7789v.c b/drivers/gpu/drm/panel/panel-sitronix-st7789v.c index 6d155c6262f3..158623a8dfb7 100644 --- a/drivers/gpu/drm/panel/panel-sitronix-st7789v.c +++ b/drivers/gpu/drm/panel/panel-sitronix-st7789v.c @@ -112,6 +112,7 @@ struct st7789_panel_info { const struct drm_display_mode *mode; u32 bus_format; + bool invert_mode; }; struct st7789v { @@ -171,6 +172,7 @@ static const struct drm_display_mode default_mode = { struct st7789_panel_info default_panel = { .mode = &default_mode, + .invert_mode = true, .bus_format = MEDIA_BUS_FMT_RGB666_1X18, }; @@ -321,7 +323,13 @@ static int st7789v_prepare(struct drm_panel *panel) ST7789V_TEST(ret, st7789v_write_data(ctx, ST7789V_NVGAMCTRL_VN61(0x1b))); ST7789V_TEST(ret, st7789v_write_data(ctx, ST7789V_NVGAMCTRL_VN62(0x28))); - ST7789V_TEST(ret, st7789v_write_command(ctx, MIPI_DCS_ENTER_INVERT_MODE)); + if (ctx->info->invert_mode) { + ST7789V_TEST(ret, st7789v_write_command(ctx, + MIPI_DCS_ENTER_INVERT_MODE)); + } else { + ST7789V_TEST(ret, st7789v_write_command(ctx, + MIPI_DCS_EXIT_INVERT_MODE)); + } ST7789V_TEST(ret, st7789v_write_command(ctx, ST7789V_RAMCTRL_CMD)); ST7789V_TEST(ret, st7789v_write_data(ctx, ST7789V_RAMCTRL_DM_RGB | -- 2.39.2