drm/i915: Show dmc debug registers on Kabylake

The assumption is that the registers offsets are
identical as with skl. Also all the published
kbl firmwares support the debug registers. So
let kbl show the debug counts.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=100975
Cc: Imre Deak <imre.deak@intel.com>
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1494324322-28193-1-git-send-email-mika.kuoppala@intel.com

diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 1003511f28ccbe7db74830aff348f5d136c31d2c..34785fb55eb5bd2671d25ff82b34f04b30a58545 100644 (file)
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -2853,7 +2853,8 @@ static int i915_dmc_info(struct seq_file *m, void *unused)
        seq_printf(m, "version: %d.%d\n", CSR_VERSION_MAJOR(csr->version),
                   CSR_VERSION_MINOR(csr->version));
 
-       if (IS_SKYLAKE(dev_priv) && csr->version >= CSR_VERSION(1, 6)) {
+       if (IS_KABYLAKE(dev_priv) ||
+           (IS_SKYLAKE(dev_priv) && csr->version >= CSR_VERSION(1, 6))) {
                seq_printf(m, "DC3 -> DC5 count: %d\n",
                           I915_READ(SKL_CSR_DC3_DC5_COUNT));
                seq_printf(m, "DC5 -> DC6 count: %d\n",