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From:   Sam Ravnborg via B4 Submission Endpoint 
        <devnull+sam.ravnborg.org@kernel.org>
Date:   Sat, 07 Jan 2023 19:26:17 +0100
Subject: [PATCH 03/15] video: fbdev: nvidia: Introduce backlight_get_brightness()
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Message-Id: <20230107-sam-video-backlight-drop-fb_blank-v1-3-1bd9bafb351f@ravnborg.org>
References: <20230107-sam-video-backlight-drop-fb_blank-v1-0-1bd9bafb351f@ravnborg.org>
In-Reply-To: <20230107-sam-video-backlight-drop-fb_blank-v1-0-1bd9bafb351f@ravnborg.org>
To:     Nicolas Ferre <nicolas.ferre@microchip.com>,
        Helge Deller <deller@gmx.de>,
        Alexandre Belloni <alexandre.belloni@bootlin.com>,
        Claudiu Beznea <claudiu.beznea@microchip.com>,
        Antonino Daplas <adaplas@gmail.com>,
        Benjamin Herrenschmidt <benh@kernel.crashing.org>,
        Paul Mackerras <paulus@samba.org>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Robin van der Gracht <robin@protonic.nl>,
        Miguel Ojeda <ojeda@kernel.org>, Lee Jones <lee@kernel.org>,
        Daniel Thompson <daniel.thompson@linaro.org>,
        Jingoo Han <jingoohan1@gmail.com>
Cc:     linux-fbdev@vger.kernel.org, dri-devel@lists.freedesktop.org,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,
        linux-omap@vger.kernel.org, linux-staging@lists.linux.dev,
        linuxppc-dev@lists.ozlabs.org, Stephen Kitt <steve@sk2.org>,
        Sam Ravnborg <sam@ravnborg.org>
Reply-To: <sam@ravnborg.org>
Precedence: bulk

From: Sam Ravnborg <sam@ravnborg.org>

Introduce backlight_get_brightness() to simplify logic
and avoid direct access to backlight properties.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Antonino Daplas <adaplas@gmail.com>
Cc: linux-fbdev@vger.kernel.org
---
 drivers/video/fbdev/nvidia/nv_backlight.c | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/drivers/video/fbdev/nvidia/nv_backlight.c b/drivers/video/fbdev/nvidia/nv_backlight.c
index 2ce53529f636..503a7a683855 100644
--- a/drivers/video/fbdev/nvidia/nv_backlight.c
+++ b/drivers/video/fbdev/nvidia/nv_backlight.c
@@ -49,17 +49,11 @@ static int nvidia_bl_update_status(struct backlight_device *bd)
 {
 	struct nvidia_par *par = bl_get_data(bd);
 	u32 tmp_pcrt, tmp_pmc, fpcontrol;
-	int level;
+	int level = backlight_get_brightness(bd);
 
 	if (!par->FlatPanel)
 		return 0;
 
-	if (bd->props.power != FB_BLANK_UNBLANK ||
-	    bd->props.fb_blank != FB_BLANK_UNBLANK)
-		level = 0;
-	else
-		level = bd->props.brightness;
-
 	tmp_pmc = NV_RD32(par->PMC, 0x10F0) & 0x0000FFFF;
 	tmp_pcrt = NV_RD32(par->PCRTC0, 0x081C) & 0xFFFFFFFC;
 	fpcontrol = NV_RD32(par->PRAMDAC, 0x0848) & 0xCFFFFFCC;

-- 
2.34.1