From patchwork Mon Apr 27 15:11:06 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Giulio Benetti X-Patchwork-Id: 238669 List-Id: U-Boot discussion From: giulio.benetti at benettiengineering.com (Giulio Benetti) Date: Mon, 27 Apr 2020 17:11:06 +0200 Subject: [PATCH v2 3/4] video: mxsfb: add clk_enable() In-Reply-To: <20200427151107.101075-1-giulio.benetti@benettiengineering.com> References: <20200427151107.101075-1-giulio.benetti@benettiengineering.com> Message-ID: <20200427151107.101075-4-giulio.benetti@benettiengineering.com> BROM doesn't enable lcdif by default so add clk_enable() after clk_set_rate(). Signed-off-by: Giulio Benetti Reviewed-by: Anatolij Gustschin Reviewed-by: Fabio Estevam --- V1->V2: * call clk_enable() after clk_set_rate() as suggested by Fabio --- drivers/video/mxsfb.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/video/mxsfb.c b/drivers/video/mxsfb.c index 8a5a61c9fb..12d00b4689 100644 --- a/drivers/video/mxsfb.c +++ b/drivers/video/mxsfb.c @@ -77,6 +77,12 @@ static void mxs_lcd_init(struct udevice *dev, u32 fb_addr, dev_err(dev, "Failed to set mxs clk: %d\n", ret); return; } + + ret = clk_enable(&per_clk); + if (ret < 0) { + dev_err(dev, "Failed to enable mxs clk: %d\n", ret); + return; + } #else /* Kick in the LCDIF clock */ mxs_set_lcdclk(MXS_LCDIF_BASE, timings->pixelclock.typ / 1000);