From f6c68b4bd4a98033d1e79479212bbd376e145728 Mon Sep 17 00:00:00 2001 From: Liviu Dudau Date: Wed, 1 Jun 2016 15:07:02 +0100 Subject: [PATCH] drm: hdlcd: Add information about the underlying framebuffers in debugfs drm_fb_cma code has a nice helper function to display in the debugfs information about the underlying framebuffers used by HDLCD: $ cat /sys/kernel/debug/dri/0/fb fb: 1920x1200@XR24 0: offset=0 pitch=7680, obj: 0 ( 2) 001011ba 0x00000000fc300000 ffffff800a27c000 9338880 fb: 1920x1200@XR24 0: offset=0 pitch=7680, obj: 0 ( 2) 001008ca 0x00000000fba00000 ffffff8009987000 9338880 fb: 1920x1200@XR24 0: offset=0 pitch=7680, obj: 0 ( 1) 00100000 0x00000000fb100000 ffffff8008fdc000 9216000 Add the entry in HDLCD's debugfs node. Signed-off-by: Liviu Dudau --- drivers/gpu/drm/arm/hdlcd_drv.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/arm/hdlcd_drv.c b/drivers/gpu/drm/arm/hdlcd_drv.c index fb172d252492..a6ca36f0096f 100644 --- a/drivers/gpu/drm/arm/hdlcd_drv.c +++ b/drivers/gpu/drm/arm/hdlcd_drv.c @@ -254,6 +254,7 @@ static int hdlcd_show_pxlclock(struct seq_file *m, void *arg) static struct drm_info_list hdlcd_debugfs_list[] = { { "interrupt_count", hdlcd_show_underrun_count, 0 }, { "clocks", hdlcd_show_pxlclock, 0 }, + { "fb", drm_fb_cma_debugfs_show, 0 }, }; static int hdlcd_debugfs_init(struct drm_minor *minor) -- 2.20.1