From patchwork Sun Apr 26 23:43:00 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Giulio Benetti X-Patchwork-Id: 238557 List-Id: U-Boot discussion From: giulio.benetti at benettiengineering.com (Giulio Benetti) Date: Mon, 27 Apr 2020 01:43:00 +0200 Subject: [PATCH 3/4] video: mxsfb: add clk_enable() In-Reply-To: <20200426234301.111433-1-giulio.benetti@benettiengineering.com> References: <20200426234301.111433-1-giulio.benetti@benettiengineering.com> Message-ID: <20200426234301.111433-4-giulio.benetti@benettiengineering.com> BROM doesn't enable lcdif by default so add clk_enable() before clk_set_rate(). Signed-off-by: Giulio Benetti --- drivers/video/mxsfb.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/video/mxsfb.c b/drivers/video/mxsfb.c index 8a5a61c9fb..7eab8835b0 100644 --- a/drivers/video/mxsfb.c +++ b/drivers/video/mxsfb.c @@ -72,6 +72,12 @@ static void mxs_lcd_init(struct udevice *dev, u32 fb_addr, return; } + ret = clk_enable(&per_clk); + if (ret < 0) { + dev_err(dev, "Failed to enable mxs clk: %d\n", ret); + return; + } + ret = clk_set_rate(&per_clk, timings->pixelclock.typ); if (ret < 0) { dev_err(dev, "Failed to set mxs clk: %d\n", ret);