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drm/panel: sitronix-st7789v: avoid hardcoding invert mode

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While the default panel uses invert mode, some panels
require non-invert mode instead.

Reviewed-by: Michael Riesch <michael.riesch@wolfvision.net>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230714013756.1546769-12-sre@kernel.org
This commit is contained in:
Sebastian Reichel 2023-07-14 03:37:48 +02:00 committed by Neil Armstrong
parent a4b563b1d1
commit 7a6288726c
1 changed files with 9 additions and 1 deletions
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10
drivers/gpu/drm/panel/panel-sitronix-st7789v.c
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@ -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 |