linux-kernel - [PATCH v1 27/35] drm/sun4i: tv: Merge mode_set into atomic

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Date:   Fri, 29 Jul 2022 18:35:10 +0200
From:   Maxime Ripard <maxime@...no.tech>
To:     Jernej Skrabec <jernej.skrabec@...il.com>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        Chen-Yu Tsai <wens@...e.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Jerome Brunet <jbrunet@...libre.com>,
        Samuel Holland <samuel@...lland.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Daniel Vetter <daniel@...ll.ch>, Emma Anholt <emma@...olt.net>,
        David Airlie <airlied@...ux.ie>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Noralf Trønnes <noralf@...nnes.org>,
        Kevin Hilman <khilman@...libre.com>,
        Neil Armstrong <narmstrong@...libre.com>,
        Maxime Ripard <mripard@...nel.org>
Cc:     Maxime Ripard <maxime@...no.tech>, linux-sunxi@...ts.linux.dev,
        linux-kernel@...r.kernel.org, Phil Elwell <phil@...pberrypi.com>,
        Mateusz Kwiatkowski <kfyatek+publicgit@...il.com>,
        linux-arm-kernel@...ts.infradead.org,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        Dave Stevenson <dave.stevenson@...pberrypi.com>,
        linux-amlogic@...ts.infradead.org, dri-devel@...ts.freedesktop.org,
        Dom Cobley <dom@...pberrypi.com>
Subject: [PATCH v1 27/35] drm/sun4i: tv: Merge mode_set into atomic_enable

Our mode_set implementation can be merged into our atomic_enable
implementation to simplify things, so let's do this.

Signed-off-by: Maxime Ripard <maxime@...no.tech>

diff --git a/drivers/gpu/drm/sun4i/sun4i_tv.c b/drivers/gpu/drm/sun4i/sun4i_tv.c
index f7aad995ab5b..3944da9a3c34 100644
--- a/drivers/gpu/drm/sun4i/sun4i_tv.c
+++ b/drivers/gpu/drm/sun4i/sun4i_tv.c
@@ -359,23 +359,13 @@ static void sun4i_tv_enable(struct drm_encoder *encoder,
 {
 	struct sun4i_tv *tv = drm_encoder_to_sun4i_tv(encoder);
 	struct sun4i_crtc *crtc = drm_crtc_to_sun4i_crtc(encoder->crtc);
-
-	DRM_DEBUG_DRIVER("Enabling the TV Output\n");
-
-	sunxi_engine_apply_color_correction(crtc->engine);
-
-	regmap_update_bits(tv->regs, SUN4I_TVE_EN_REG,
-			   SUN4I_TVE_EN_ENABLE,
-			   SUN4I_TVE_EN_ENABLE);
-}
-
-static void sun4i_tv_mode_set(struct drm_encoder *encoder,
-			      struct drm_display_mode *mode,
-			      struct drm_display_mode *adjusted_mode)
-{
-	struct sun4i_tv *tv = drm_encoder_to_sun4i_tv(encoder);
+	struct drm_crtc_state *crtc_state =
+		drm_atomic_get_new_crtc_state(state, encoder->crtc);
+	struct drm_display_mode *mode = &crtc_state->mode;
 	const struct tv_mode *tv_mode = sun4i_tv_find_tv_by_mode(mode);
 
+	DRM_DEBUG_DRIVER("Enabling the TV Output\n");
+
 	/* Enable and map the DAC to the output */
 	regmap_update_bits(tv->regs, SUN4I_TVE_EN_REG,
 			   SUN4I_TVE_EN_DAC_MAP_MASK,
@@ -468,12 +458,17 @@ static void sun4i_tv_mode_set(struct drm_encoder *encoder,
 		      SUN4I_TVE_RESYNC_FIELD : 0));
 
 	regmap_write(tv->regs, SUN4I_TVE_SLAVE_REG, 0);
+
+	sunxi_engine_apply_color_correction(crtc->engine);
+
+	regmap_update_bits(tv->regs, SUN4I_TVE_EN_REG,
+			   SUN4I_TVE_EN_ENABLE,
+			   SUN4I_TVE_EN_ENABLE);
 }
 
 static const struct drm_encoder_helper_funcs sun4i_tv_helper_funcs = {
 	.atomic_disable	= sun4i_tv_disable,
 	.atomic_enable	= sun4i_tv_enable,
-	.mode_set	= sun4i_tv_mode_set,
 };
 
 static int sun4i_tv_comp_get_modes(struct drm_connector *connector)

-- 
b4 0.10.0-dev-49460