From 141518d23493d47bbc5acd1e2892a6ca3f638cf9 Mon Sep 17 00:00:00 2001 From: Eric Anholt Date: Wed, 17 May 2017 17:56:40 -0700 Subject: drm/pl111: Add a debugfs node to dump our registers. While debugging an X11 display failure, I wanted to see where we were actually scanning out from. This is probably generally useful to others that might be working on this device. v2: Fix uint32_t sparse warning. Signed-off-by: Eric Anholt Link: http://patchwork.freedesktop.org/patch/msgid/20170518005640.10310-1-eric@anholt.net Reviewed-by: Linus Walleij (v1) --- drivers/gpu/drm/pl111/pl111_drv.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'drivers/gpu/drm/pl111/pl111_drv.c') diff --git a/drivers/gpu/drm/pl111/pl111_drv.c b/drivers/gpu/drm/pl111/pl111_drv.c index 12d085b0aef8..97095b1aa961 100644 --- a/drivers/gpu/drm/pl111/pl111_drv.c +++ b/drivers/gpu/drm/pl111/pl111_drv.c @@ -173,6 +173,10 @@ static struct drm_driver pl111_drm_driver = { .gem_prime_import_sg_table = drm_gem_cma_prime_import_sg_table, .gem_prime_export = drm_gem_prime_export, .gem_prime_get_sg_table = drm_gem_cma_prime_get_sg_table, + +#if defined(CONFIG_DEBUG_FS) + .debugfs_init = pl111_debugfs_init, +#endif }; #ifdef CONFIG_ARM_AMBA -- cgit v1.2.3-55-g7522