drm/i915: enable ring freq scaling, RC6 and graphics turbo on Ivy Bridge v3

They use the same register interfaces, so we can simply enable the
existing code on IVB.

v2:
  - resolve conflict with ring freq scaling, we can enable it too
v3:
  - resolve conflict again, this time on drm-intel-next

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Keith Packard <keithp@keithp.com>

diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 8a5a032..ed62730 100644 (file)
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -865,7 +865,7 @@ static int i915_cur_delayinfo(struct seq_file *m, void *unused)
                           MEMSTAT_VID_SHIFT);
                seq_printf(m, "Current P-state: %d\n",
                           (rgvstat & MEMSTAT_PSTATE_MASK) >> MEMSTAT_PSTATE_SHIFT);
-       } else if (IS_GEN6(dev)) {
+       } else if (IS_GEN6(dev) || IS_GEN7(dev)) {
                u32 gt_perf_status = I915_READ(GEN6_GT_PERF_STATUS);
                u32 rp_state_limits = I915_READ(GEN6_RP_STATE_LIMITS);
                u32 rp_state_cap = I915_READ(GEN6_RP_STATE_CAP);
@@ -1131,7 +1131,7 @@ static int i915_ring_freq_table(struct seq_file *m, void *unused)
        int ret;
        int gpu_freq, ia_freq;
 
-       if (!IS_GEN6(dev)) {
+       if (!(IS_GEN6(dev) || IS_GEN7(dev))) {
                seq_printf(m, "unsupported on this chipset\n");
                return 0;
        }

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 804ac4d..823b8d9 100644 (file)
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -7970,7 +7970,7 @@ void intel_modeset_init(struct drm_device *dev)
                intel_init_emon(dev);
        }
 
-       if (IS_GEN6(dev)) {
+       if (IS_GEN6(dev) || IS_GEN7(dev)) {
                gen6_enable_rps(dev_priv);
                gen6_update_ring_freq(dev_priv);
        }
@@ -8014,7 +8014,7 @@ void intel_modeset_cleanup(struct drm_device *dev)
 
        if (IS_IRONLAKE_M(dev))
                ironlake_disable_drps(dev);
-       if (IS_GEN6(dev))
+       if (IS_GEN6(dev) || IS_GEN7(dev))
                gen6_disable_rps(dev);
 
        if (IS_IRONLAKE_M(dev))