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| author |   Eric Anholt <eric@anholt.net> | 2017-05-17 17:56:40 -0700 |
|---|---|---|
| committer | Eric Anholt <eric@anholt.net> | 2017-05-19 11:13:57 -0700 |
| commit | 141518d23493d47bbc5acd1e2892a6ca3f638cf9 (patch) | |
| tree | db66ed60eff8756f986f676f7a61f88a59973651 /drivers/gpu/drm/pl111/pl111_drv.c | |
| parent | drm/pl111: make structure mode_config_funcs static (diff) | |
| download | linux-dev-141518d23493d47bbc5acd1e2892a6ca3f638cf9.tar.xz linux-dev-141518d23493d47bbc5acd1e2892a6ca3f638cf9.zip | |
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 <eric@anholt.net>
Link: http://patchwork.freedesktop.org/patch/msgid/20170518005640.10310-1-eric@anholt.net
Reviewed-by: Linus Walleij <linus.walleij@linaro.org> (v1)
Diffstat (limited to 'drivers/gpu/drm/pl111/pl111_drv.c')
| -rw-r--r-- | drivers/gpu/drm/pl111/pl111_drv.c | 4 |
1 files changed, 4 insertions, 0 deletions
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 |