linux-kernel - [PATCH 25/30] drm/sun4i: ui

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Message-ID: <20251012192330.6903-26-jernej.skrabec@gmail.com>
Date: Sun, 12 Oct 2025 21:23:25 +0200
From: Jernej Skrabec <jernej.skrabec@...il.com>
To: mripard@...nel.org,
	wens@...e.org
Cc: maarten.lankhorst@...ux.intel.com,
	tzimmermann@...e.de,
	airlied@...il.com,
	simona@...ll.ch,
	samuel@...lland.org,
	dri-devel@...ts.freedesktop.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-sunxi@...ts.linux.dev,
	linux-kernel@...r.kernel.org,
	Jernej Skrabec <jernej.skrabec@...il.com>
Subject: [PATCH 25/30] drm/sun4i: ui_scaler: drop sanity checks

They can't be triggered if mixer configuration is properly specified in
quirks. Additionally, number of VI channels won't be available in future
due to rework for DE33 support.

Signed-off-by: Jernej Skrabec <jernej.skrabec@...il.com>
---
 drivers/gpu/drm/sun4i/sun8i_ui_scaler.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/drivers/gpu/drm/sun4i/sun8i_ui_scaler.c b/drivers/gpu/drm/sun4i/sun8i_ui_scaler.c
index 2fc54dc20307..c0947ccf675b 100644
--- a/drivers/gpu/drm/sun4i/sun8i_ui_scaler.c
+++ b/drivers/gpu/drm/sun4i/sun8i_ui_scaler.c
@@ -132,9 +132,6 @@ void sun8i_ui_scaler_enable(struct sun8i_layer *layer, bool enable)
 	struct sun8i_mixer *mixer = layer->mixer;
 	u32 val, base;
 
-	if (WARN_ON(layer->channel < mixer->cfg->vi_num))
-		return;
-
 	base = sun8i_ui_scaler_base(mixer, layer->channel);
 
 	if (enable)
@@ -155,9 +152,6 @@ void sun8i_ui_scaler_setup(struct sun8i_layer *layer,
 	int i, offset;
 	u32 base;
 
-	if (WARN_ON(layer->channel < mixer->cfg->vi_num))
-		return;
-
 	base = sun8i_ui_scaler_base(mixer, layer->channel);
 
 	hphase <<= SUN8I_UI_SCALER_PHASE_FRAC - 16;
-- 
2.51.0