On Mon, Sep 16, 2024 at 1:15 PM Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx> wrote: > > Same comment as the one that I've provided to the other patch, plus: > > On Sun, 15 Sept 2024 at 10:11, Zhaoxiong Lv > <lvzhaoxiong@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> wrote: > > > > In order to meet the timing, remove the delay between "backlight off" > > and "display off", and reduce the delay between "display_off" and > > "enter_sleep" > > Separate commit, separate _justification_. Why, not what. > > > > > Removing variables: display_off_to_enter_sleep_delay_ms > > This phrase is useless. > hi Dmitry As in another patch reply, in order to solve a black screen problem, the delay is reduced. The panel spec: 1. https://github.com/Vme5o/power-on-off-sequential > > > > Signed-off-by: Zhaoxiong Lv <lvzhaoxiong@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> > > --- > > drivers/gpu/drm/panel/panel-boe-th101mb31ig002-28a.c | 11 +++++------ > > 1 file changed, 5 insertions(+), 6 deletions(-) > > > > diff --git a/drivers/gpu/drm/panel/panel-boe-th101mb31ig002-28a.c b/drivers/gpu/drm/panel/panel-boe-th101mb31ig002-28a.c > > index 0b87f1e6ecae..c2d0ec199829 100644 > > --- a/drivers/gpu/drm/panel/panel-boe-th101mb31ig002-28a.c > > +++ b/drivers/gpu/drm/panel/panel-boe-th101mb31ig002-28a.c > > @@ -29,7 +29,7 @@ struct panel_desc { > > bool lp11_before_reset; > > unsigned int vcioo_to_lp11_delay_ms; > > unsigned int lp11_to_reset_delay_ms; > > - unsigned int backlight_off_to_display_off_delay_ms; > > + unsigned int display_off_to_enter_sleep_delay_ms; > > unsigned int enter_sleep_to_reset_down_delay_ms; > > unsigned int power_off_delay_ms; > > }; > > @@ -184,12 +184,10 @@ static int boe_th101mb31ig002_disable(struct drm_panel *panel) > > panel); > > struct mipi_dsi_multi_context dsi_ctx = { .dsi = ctx->dsi }; > > > > - if (ctx->desc->backlight_off_to_display_off_delay_ms) > > - mipi_dsi_msleep(&dsi_ctx, ctx->desc->backlight_off_to_display_off_delay_ms); > > - > > mipi_dsi_dcs_set_display_off_multi(&dsi_ctx); > > > > - mipi_dsi_msleep(&dsi_ctx, 120); > > + if (ctx->desc->display_off_to_enter_sleep_delay_ms) > > + mipi_dsi_msleep(&dsi_ctx, ctx->desc->display_off_to_enter_sleep_delay_ms); > > > > mipi_dsi_dcs_enter_sleep_mode_multi(&dsi_ctx); > > > > @@ -275,6 +273,7 @@ static const struct panel_desc boe_th101mb31ig002_desc = { > > MIPI_DSI_MODE_NO_EOT_PACKET | > > MIPI_DSI_MODE_LPM, > > .init = boe_th101mb31ig002_enable, > > + .display_off_to_enter_sleep_delay_ms = 120, > > }; > > > > static const struct drm_display_mode starry_er88577_default_mode = { > > @@ -302,7 +301,7 @@ static const struct panel_desc starry_er88577_desc = { > > .lp11_before_reset = true, > > .vcioo_to_lp11_delay_ms = 5, > > .lp11_to_reset_delay_ms = 50, > > - .backlight_off_to_display_off_delay_ms = 100, > > + .display_off_to_enter_sleep_delay_ms = 50, > > .enter_sleep_to_reset_down_delay_ms = 100, > > .power_off_delay_ms = 1000, > > }; > > -- > > 2.17.1 > > > > > -- > With best wishes > Dmitry
