disable FB

hc

2024-01-04 1543e317f1da31b75942316931e8f491a8920811

 kernel/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
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@@ -700,7 +700,7 @@
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 }
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 static enum drm_mode_status adv7511_mode_valid(struct adv7511 *adv7511,
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-			      struct drm_display_mode *mode)
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+			      const struct drm_display_mode *mode)
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 {
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 	if (mode->clock > 165000)
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 		return MODE_CLOCK_HIGH;
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@@ -789,13 +789,15 @@
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 	else
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 		low_refresh_rate = ADV7511_LOW_REFRESH_RATE_NONE;
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-	regmap_update_bits(adv7511->regmap, 0xfb,
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-		0x6, low_refresh_rate << 1);
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+	if (adv7511->type == ADV7511)
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+		regmap_update_bits(adv7511->regmap, 0xfb,
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+				   0x6, low_refresh_rate << 1);
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+	else
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+		regmap_update_bits(adv7511->regmap, 0x4a,
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+				   0xc, low_refresh_rate << 2);
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+
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 	regmap_update_bits(adv7511->regmap, 0x17,
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 		0x60, (vsync_polarity << 6) | (hsync_polarity << 5));
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-
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-	if (adv7511->type == ADV7533 || adv7511->type == ADV7535)
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-		adv7533_mode_set(adv7511, adj_mode);
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 	drm_mode_copy(&adv7511->curr_mode, adj_mode);
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@@ -916,6 +918,18 @@
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 	adv7511_mode_set(adv, mode, adj_mode);
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 }
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+static enum drm_mode_status adv7511_bridge_mode_valid(struct drm_bridge *bridge,
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+						      const struct drm_display_info *info,
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+		const struct drm_display_mode *mode)
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+{
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+	struct adv7511 *adv = bridge_to_adv7511(bridge);
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+
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+	if (adv->type == ADV7533 || adv->type == ADV7535)
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+		return adv7533_mode_valid(adv, mode);
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+	else
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+		return adv7511_mode_valid(adv, mode);
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+}
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+
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 static int adv7511_bridge_attach(struct drm_bridge *bridge,
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 				 enum drm_bridge_attach_flags flags)
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 {
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@@ -966,6 +980,7 @@
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 	.enable = adv7511_bridge_enable,
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 	.disable = adv7511_bridge_disable,
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 	.mode_set = adv7511_bridge_mode_set,
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+	.mode_valid = adv7511_bridge_mode_valid,
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 	.attach = adv7511_bridge_attach,
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 	.detect = adv7511_bridge_detect,
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 	.get_edid = adv7511_bridge_get_edid,