[Intel-gfx] [PATCH 6/6] drm/i915: Added BXT check in i915_ring_freq_table function

[akash.goel at intel.com]

From: Akash Goel <akash.goel at intel.com>

Updated the i915_ring_freq_table debugfs function to add
the broxton check, so as to disallow the read of ring frequency
table for it.

Issue: VIZ-5144
Signed-off-by: Akash Goel <akash.goel at intel.com>
---
 drivers/gpu/drm/i915/i915_debugfs.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 2666d8a..daf6bdc 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -1747,7 +1747,8 @@ static int i915_ring_freq_table(struct seq_file *m, void *unused)
 	int gpu_freq, ia_freq;
 	unsigned int max_gpu_freq, min_gpu_freq;
 
-	if ((INTEL_INFO(dev)->gen < 6) || IS_VALLEYVIEW(dev)) {
+	if ((INTEL_INFO(dev)->gen < 6) || IS_VALLEYVIEW(dev) ||
+	    IS_BROXTON(dev)) {
 		seq_puts(m, "unsupported on this chipset\n");
 		return 0;
 	}
-- 
1.9.2