From b1ea62798020f87507f80c05fc69f18d8c587d45 Mon Sep 17 00:00:00 2001 From: Liu Ying Date: Fri, 30 Mar 2012 09:22:00 +0800 Subject: [PATCH] ENGR00178456 IPUv3 fb:Unblank primary fb only by default This patch changes IPUv3 fb probe function logic to unblank the primary fb only by default so that the secondary fb using IPU DP BG channel won't be unblanked when system boot-ups. This avoids the HDMI fb(as the secondary fb using IPU DP BG channel) is unblanked accidentally without plugging in HDMI cable. Signed-off-by: Liu Ying (cherry picked from commit 2c8188de61f84e40e26e662138af5ef4f81a0969) --- drivers/video/mxc/mxc_ipuv3_fb.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/video/mxc/mxc_ipuv3_fb.c b/drivers/video/mxc/mxc_ipuv3_fb.c index 62685a5197e7..8eade2c99d1a 100644 --- a/drivers/video/mxc/mxc_ipuv3_fb.c +++ b/drivers/video/mxc/mxc_ipuv3_fb.c @@ -2077,7 +2077,11 @@ static int mxcfb_probe(struct platform_device *pdev) mxcfbi->ipu_ch_nf_irq = IPU_IRQ_BG_SYNC_NFACK; mxcfbi->ipu_alp_ch_irq = IPU_IRQ_BG_ALPHA_SYNC_EOF; mxcfbi->ipu_ch = MEM_BG_SYNC; - mxcfbi->cur_blank = mxcfbi->next_blank = FB_BLANK_UNBLANK; + /* Unblank the primary fb only by default */ + if (pdev->id == 0) + mxcfbi->cur_blank = mxcfbi->next_blank = FB_BLANK_UNBLANK; + else + mxcfbi->cur_blank = mxcfbi->next_blank = FB_BLANK_POWERDOWN; ipu_disp_set_global_alpha(mxcfbi->ipu, mxcfbi->ipu_ch, true, 0x80); ipu_disp_set_color_key(mxcfbi->ipu, mxcfbi->ipu_ch, false, 0); -- 2.39.2