On 1/5/26 21:24, Sebastian Krzyszkowiak via B4 Relay wrote:
From: Sebastian Krzyszkowiak <[email protected]>
According to the sequence from section 7.3.4 of FT8006P datasheet,
TP_RSTN and RESX should be asserted after disabling AVDD and AVEE and
together with VDDI.
Also, AVEE power down needs to happen at least 150ms after entering
sleep mode.
Signed-off-by: Sebastian Krzyszkowiak <[email protected]>
---
drivers/gpu/drm/panel/panel-mantix-mlaf057we51.c | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/panel/panel-mantix-mlaf057we51.c
b/drivers/gpu/drm/panel/panel-mantix-mlaf057we51.c
index bb5489e4d7a9..0e66ee7a727d 100644
--- a/drivers/gpu/drm/panel/panel-mantix-mlaf057we51.c
+++ b/drivers/gpu/drm/panel/panel-mantix-mlaf057we51.c
@@ -96,6 +96,9 @@ static int mantix_disable(struct drm_panel *panel)
mipi_dsi_dcs_set_display_off_multi(&dsi_ctx);
mipi_dsi_dcs_enter_sleep_mode_multi(&dsi_ctx);
+ /* T10 */
+ mipi_dsi_msleep(&dsi_ctx, 150);
+
return dsi_ctx.accum_err;
}
@@ -103,15 +106,16 @@ static int mantix_unprepare(struct drm_panel *panel)
{
struct mantix *ctx = panel_to_mantix(panel);
- gpiod_set_value_cansleep(ctx->tp_rstn_gpio, 1);
- usleep_range(5000, 6000);
- gpiod_set_value_cansleep(ctx->reset_gpio, 1);
-
regulator_disable(ctx->avee);
regulator_disable(ctx->avdd);
/* T11 */
usleep_range(5000, 6000);
regulator_disable(ctx->vddi);
+
+ gpiod_set_value_cansleep(ctx->tp_rstn_gpio, 1);
+ usleep_range(5000, 6000);
+ gpiod_set_value_cansleep(ctx->reset_gpio, 1);
+
/* T14 */
msleep(50);
Reviewed-by: Neil Armstrong <[email protected]>
Thanks,
Neil
