While the default panel uses invert mode, some panels
require non-invert mode instead.
Reviewed-by: Michael Riesch <michael.riesch@xxxxxxxxxxxxxx>
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 d05d7a9caefc..ee84d7a9019e 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 = {
static const 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 |
--
2.40.1
