diff options
author | Jani Nikula <jani.nikula@intel.com> | 2020-11-30 13:15:55 +0200 |
---|---|---|
committer | Jani Nikula <jani.nikula@intel.com> | 2020-12-01 17:56:11 +0200 |
commit | 88d570e030dddb6bd80b61bd6380fe106e11815b (patch) | |
tree | d701584a7116b7452811f18bd841142201c554ba | |
parent | 507007fb591b23a0f9ad5ed62e2d60a004410ccb (diff) |
drm/i915/debugfs: remove the i915_cache_sharing debugfs file
The i915_cache_sharing file is a debugfs interface for gen 6-7 with no
validation or user. Remove it.
This also removes the last I915_WRITE() use in i915_debugfs.c.
Suggested-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201130111601.2817-4-jani.nikula@intel.com
-rw-r--r-- | drivers/gpu/drm/i915/i915_debugfs.c | 50 |
1 files changed, 0 insertions, 50 deletions
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index cc8b9a28aa07..81b9123affa4 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -1492,55 +1492,6 @@ DEFINE_SIMPLE_ATTRIBUTE(i915_drop_caches_fops, i915_drop_caches_get, i915_drop_caches_set, "0x%08llx\n"); -static int -i915_cache_sharing_get(void *data, u64 *val) -{ - struct drm_i915_private *dev_priv = data; - intel_wakeref_t wakeref; - u32 snpcr = 0; - - if (!(IS_GEN_RANGE(dev_priv, 6, 7))) - return -ENODEV; - - with_intel_runtime_pm(&dev_priv->runtime_pm, wakeref) - snpcr = I915_READ(GEN6_MBCUNIT_SNPCR); - - *val = (snpcr & GEN6_MBC_SNPCR_MASK) >> GEN6_MBC_SNPCR_SHIFT; - - return 0; -} - -static int -i915_cache_sharing_set(void *data, u64 val) -{ - struct drm_i915_private *dev_priv = data; - intel_wakeref_t wakeref; - - if (!(IS_GEN_RANGE(dev_priv, 6, 7))) - return -ENODEV; - - if (val > 3) - return -EINVAL; - - drm_dbg(&dev_priv->drm, - "Manually setting uncore sharing to %llu\n", val); - with_intel_runtime_pm(&dev_priv->runtime_pm, wakeref) { - u32 snpcr; - - /* Update the cache sharing policy here as well */ - snpcr = I915_READ(GEN6_MBCUNIT_SNPCR); - snpcr &= ~GEN6_MBC_SNPCR_MASK; - snpcr |= val << GEN6_MBC_SNPCR_SHIFT; - I915_WRITE(GEN6_MBCUNIT_SNPCR, snpcr); - } - - return 0; -} - -DEFINE_SIMPLE_ATTRIBUTE(i915_cache_sharing_fops, - i915_cache_sharing_get, i915_cache_sharing_set, - "%llu\n"); - static int i915_sseu_status(struct seq_file *m, void *unused) { struct drm_i915_private *i915 = node_to_i915(m->private); @@ -1606,7 +1557,6 @@ static const struct i915_debugfs_files { } i915_debugfs_files[] = { {"i915_perf_noa_delay", &i915_perf_noa_delay_fops}, {"i915_wedged", &i915_wedged_fops}, - {"i915_cache_sharing", &i915_cache_sharing_fops}, {"i915_gem_drop_caches", &i915_drop_caches_fops}, #if IS_ENABLED(CONFIG_DRM_I915_CAPTURE_ERROR) {"i915_error_state", &i915_error_state_fops}, |