From: Douglas Anderson Date: Fri, 3 May 2024 21:32:53 +0000 (-0700) Subject: drm/panel: kingdisplay-kd097d04: Stop tracking prepared/enabled X-Git-Tag: v6.11-rc1~141^2~24^2~21 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=157c1381780a453e06430f8b35bb8c5d439eb8c6;p=thirdparty%2Fkernel%2Fstable.git drm/panel: kingdisplay-kd097d04: Stop tracking prepared/enabled As talked about in commit d2aacaf07395 ("drm/panel: Check for already prepared/enabled in drm_panel"), we want to remove needless code from panel drivers that was storing and double-checking the prepared/enabled state. Even if someone was relying on the double-check before, that double-check is now in the core and not needed in individual drivers. Cc: Brian Norris Cc: Chris Zhong Cc: Nickey Yang Acked-by: Linus Walleij Acked-by: Maxime Ripard Reviewed-by: Heiko Stuebner Signed-off-by: Douglas Anderson Link: https://patchwork.freedesktop.org/patch/msgid/20240503143327.RFT.v2.12.I711d07c4f4738df199697fd534c452cdfa46a21f@changeid --- diff --git a/drivers/gpu/drm/panel/panel-kingdisplay-kd097d04.c b/drivers/gpu/drm/panel/panel-kingdisplay-kd097d04.c index 17f8d80cf2b36..88d775e000d4c 100644 --- a/drivers/gpu/drm/panel/panel-kingdisplay-kd097d04.c +++ b/drivers/gpu/drm/panel/panel-kingdisplay-kd097d04.c @@ -23,9 +23,6 @@ struct kingdisplay_panel { struct regulator *supply; struct gpio_desc *enable_gpio; - - bool prepared; - bool enabled; }; struct kingdisplay_panel_cmd { @@ -185,15 +182,10 @@ static int kingdisplay_panel_disable(struct drm_panel *panel) struct kingdisplay_panel *kingdisplay = to_kingdisplay_panel(panel); int err; - if (!kingdisplay->enabled) - return 0; - err = mipi_dsi_dcs_set_display_off(kingdisplay->link); if (err < 0) dev_err(panel->dev, "failed to set display off: %d\n", err); - kingdisplay->enabled = false; - return 0; } @@ -202,9 +194,6 @@ static int kingdisplay_panel_unprepare(struct drm_panel *panel) struct kingdisplay_panel *kingdisplay = to_kingdisplay_panel(panel); int err; - if (!kingdisplay->prepared) - return 0; - err = mipi_dsi_dcs_enter_sleep_mode(kingdisplay->link); if (err < 0) { dev_err(panel->dev, "failed to enter sleep mode: %d\n", err); @@ -220,8 +209,6 @@ static int kingdisplay_panel_unprepare(struct drm_panel *panel) if (err < 0) return err; - kingdisplay->prepared = false; - return 0; } @@ -231,9 +218,6 @@ static int kingdisplay_panel_prepare(struct drm_panel *panel) int err, regulator_err; unsigned int i; - if (kingdisplay->prepared) - return 0; - gpiod_set_value_cansleep(kingdisplay->enable_gpio, 0); err = regulator_enable(kingdisplay->supply); @@ -275,8 +259,6 @@ static int kingdisplay_panel_prepare(struct drm_panel *panel) /* T7: 10ms */ usleep_range(10000, 11000); - kingdisplay->prepared = true; - return 0; poweroff: @@ -289,18 +271,6 @@ poweroff: return err; } -static int kingdisplay_panel_enable(struct drm_panel *panel) -{ - struct kingdisplay_panel *kingdisplay = to_kingdisplay_panel(panel); - - if (kingdisplay->enabled) - return 0; - - kingdisplay->enabled = true; - - return 0; -} - static const struct drm_display_mode default_mode = { .clock = 229000, .hdisplay = 1536, @@ -341,7 +311,6 @@ static const struct drm_panel_funcs kingdisplay_panel_funcs = { .disable = kingdisplay_panel_disable, .unprepare = kingdisplay_panel_unprepare, .prepare = kingdisplay_panel_prepare, - .enable = kingdisplay_panel_enable, .get_modes = kingdisplay_panel_get_modes, };