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Fri, 03 May 2024 14:37:49 -0700 (PDT) Received: from dianders.sjc.corp.google.com ([2620:15c:9d:2:fb6a:b54b:7580:64f3]) by smtp.gmail.com with ESMTPSA id j12-20020a170903024c00b001eb51a46f5bsm3729134plh.43.2024.05.03.14.37.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 03 May 2024 14:37:48 -0700 (PDT) From: Douglas Anderson To: dri-devel@lists.freedesktop.org, Maxime Ripard Cc: Linus Walleij , Chris Morgan , Yuran Pereira , Neil Armstrong , Douglas Anderson , Marco Franchi , Fabio Estevam , Laurentiu Palcu , Pengutronix Kernel Team , imx@lists.linux.dev, Daniel Vetter , David Airlie , Jessica Zhang , Maarten Lankhorst , Sam Ravnborg , Thomas Zimmermann , linux-kernel@vger.kernel.org Subject: [RFT PATCH v2 36/48] drm/panel: seiko-43wvf1g: Stop tracking prepared/enabled Date: Fri, 3 May 2024 14:33:17 -0700 Message-ID: <20240503143327.RFT.v2.36.Idda91d310ca2e4f5a4ab4ca6eaf1afdaf14eeb51@changeid> X-Mailer: git-send-email 2.45.0.rc1.225.g2a3ae87e7f-goog In-Reply-To: <20240503213441.177109-1-dianders@chromium.org> References: <20240503213441.177109-1-dianders@chromium.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" 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: Marco Franchi Cc: Fabio Estevam Cc: Laurentiu Palcu Cc: Pengutronix Kernel Team Cc: imx@lists.linux.dev Signed-off-by: Douglas Anderson --- Changes in v2: - Only handle 1 panel per patch. - Split removal of prepared/enabled from handling of remove/shutdown. drivers/gpu/drm/panel/panel-seiko-43wvf1g.c | 40 --------------------- 1 file changed, 40 deletions(-) diff --git a/drivers/gpu/drm/panel/panel-seiko-43wvf1g.c b/drivers/gpu/drm/= panel/panel-seiko-43wvf1g.c index 658c7c040570..98480904126c 100644 --- a/drivers/gpu/drm/panel/panel-seiko-43wvf1g.c +++ b/drivers/gpu/drm/panel/panel-seiko-43wvf1g.c @@ -44,8 +44,6 @@ struct seiko_panel_desc { =20 struct seiko_panel { struct drm_panel base; - bool prepared; - bool enabled; const struct seiko_panel_desc *desc; struct regulator *dvdd; struct regulator *avdd; @@ -122,25 +120,10 @@ static int seiko_panel_get_fixed_modes(struct seiko_p= anel *panel, return num; } =20 -static int seiko_panel_disable(struct drm_panel *panel) -{ - struct seiko_panel *p =3D to_seiko_panel(panel); - - if (!p->enabled) - return 0; - - p->enabled =3D false; - - return 0; -} - static int seiko_panel_unprepare(struct drm_panel *panel) { struct seiko_panel *p =3D to_seiko_panel(panel); =20 - if (!p->prepared) - return 0; - gpiod_set_value_cansleep(p->enable_gpio, 0); =20 regulator_disable(p->avdd); @@ -150,8 +133,6 @@ static int seiko_panel_unprepare(struct drm_panel *pane= l) =20 regulator_disable(p->dvdd); =20 - p->prepared =3D false; - return 0; } =20 @@ -160,9 +141,6 @@ static int seiko_panel_prepare(struct drm_panel *panel) struct seiko_panel *p =3D to_seiko_panel(panel); int err; =20 - if (p->prepared) - return 0; - err =3D regulator_enable(p->dvdd); if (err < 0) { dev_err(panel->dev, "failed to enable dvdd: %d\n", err); @@ -180,8 +158,6 @@ static int seiko_panel_prepare(struct drm_panel *panel) =20 gpiod_set_value_cansleep(p->enable_gpio, 1); =20 - p->prepared =3D true; - return 0; =20 disable_dvdd: @@ -189,18 +165,6 @@ static int seiko_panel_prepare(struct drm_panel *panel) return err; } =20 -static int seiko_panel_enable(struct drm_panel *panel) -{ - struct seiko_panel *p =3D to_seiko_panel(panel); - - if (p->enabled) - return 0; - - p->enabled =3D true; - - return 0; -} - static int seiko_panel_get_modes(struct drm_panel *panel, struct drm_connector *connector) { @@ -228,10 +192,8 @@ static int seiko_panel_get_timings(struct drm_panel *p= anel, } =20 static const struct drm_panel_funcs seiko_panel_funcs =3D { - .disable =3D seiko_panel_disable, .unprepare =3D seiko_panel_unprepare, .prepare =3D seiko_panel_prepare, - .enable =3D seiko_panel_enable, .get_modes =3D seiko_panel_get_modes, .get_timings =3D seiko_panel_get_timings, }; @@ -246,8 +208,6 @@ static int seiko_panel_probe(struct device *dev, if (!panel) return -ENOMEM; =20 - panel->enabled =3D false; - panel->prepared =3D false; panel->desc =3D desc; =20 panel->dvdd =3D devm_regulator_get(dev, "dvdd"); --=20 2.45.0.rc1.225.g2a3ae87e7f-goog