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author | Chris Wilson | 2017-03-23 11:19:43 +0100 |
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committer | Chris Wilson | 2017-03-23 11:22:04 +0100 |
commit | 6e3955a5af1c3a0b7d9a50be327a71e9065c64ae (patch) | |
tree | 62b2e609425d92a7cda5b5598dd2006c73570a31 /drivers/gpu/drm/i915/intel_uncore.c | |
parent | drm/i915: Remove posting-read for forcewake put (diff) | |
download | kernel-qcow2-linux-6e3955a5af1c3a0b7d9a50be327a71e9065c64ae.tar.gz kernel-qcow2-linux-6e3955a5af1c3a0b7d9a50be327a71e9065c64ae.tar.xz kernel-qcow2-linux-6e3955a5af1c3a0b7d9a50be327a71e9065c64ae.zip |
drm/i915: All fw_domains share the same set/clear/reset values
Since we reuse the same values for each fw_domain, move them onto
uncore.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170323101944.21627-6-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/intel_uncore.c')
-rw-r--r-- | drivers/gpu/drm/i915/intel_uncore.c | 40 |
1 files changed, 21 insertions, 19 deletions
diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c index 5464c0418bab..6d1ea26b2493 100644 --- a/drivers/gpu/drm/i915/intel_uncore.c +++ b/drivers/gpu/drm/i915/intel_uncore.c @@ -55,8 +55,7 @@ static inline void fw_domain_reset(struct drm_i915_private *i915, const struct intel_uncore_forcewake_domain *d) { - WARN_ON(!i915_mmio_reg_valid(d->reg_set)); - __raw_i915_write32(i915, d->reg_set, d->val_reset); + __raw_i915_write32(i915, d->reg_set, i915->uncore.fw_reset); } static inline void @@ -70,7 +69,7 @@ fw_domain_arm_timer(struct intel_uncore_forcewake_domain *d) } static inline void -fw_domain_wait_ack_clear(struct drm_i915_private *i915, +fw_domain_wait_ack_clear(const struct drm_i915_private *i915, const struct intel_uncore_forcewake_domain *d) { if (wait_for_atomic((__raw_i915_read32(i915, d->reg_ack) & @@ -84,11 +83,11 @@ static inline void fw_domain_get(struct drm_i915_private *i915, const struct intel_uncore_forcewake_domain *d) { - __raw_i915_write32(i915, d->reg_set, d->val_set); + __raw_i915_write32(i915, d->reg_set, i915->uncore.fw_set); } static inline void -fw_domain_wait_ack(struct drm_i915_private *i915, +fw_domain_wait_ack(const struct drm_i915_private *i915, const struct intel_uncore_forcewake_domain *d) { if (wait_for_atomic((__raw_i915_read32(i915, d->reg_ack) & @@ -99,10 +98,10 @@ fw_domain_wait_ack(struct drm_i915_private *i915, } static inline void -fw_domain_put(struct drm_i915_private *i915, +fw_domain_put(const struct drm_i915_private *i915, const struct intel_uncore_forcewake_domain *d) { - __raw_i915_write32(i915, d->reg_set, d->val_clear); + __raw_i915_write32(i915, d->reg_set, i915->uncore.fw_clear); } static void @@ -1139,21 +1138,13 @@ static void fw_domain_init(struct drm_i915_private *dev_priv, WARN_ON(d->wake_count); + WARN_ON(!i915_mmio_reg_valid(reg_set)); + WARN_ON(!i915_mmio_reg_valid(reg_ack)); + d->wake_count = 0; d->reg_set = reg_set; d->reg_ack = reg_ack; - if (IS_GEN6(dev_priv)) { - d->val_reset = 0; - d->val_set = FORCEWAKE_KERNEL; - d->val_clear = 0; - } else { - /* WaRsClearFWBitsAtReset:bdw,skl */ - d->val_reset = _MASKED_BIT_DISABLE(0xffff); - d->val_set = _MASKED_BIT_ENABLE(FORCEWAKE_KERNEL); - d->val_clear = _MASKED_BIT_DISABLE(FORCEWAKE_KERNEL); - } - d->id = domain_id; BUILD_BUG_ON(FORCEWAKE_RENDER != (1 << FW_DOMAIN_ID_RENDER)); @@ -1165,7 +1156,7 @@ static void fw_domain_init(struct drm_i915_private *dev_priv, hrtimer_init(&d->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); d->timer.function = intel_uncore_fw_release_timer; - dev_priv->uncore.fw_domains |= (1 << domain_id); + dev_priv->uncore.fw_domains |= BIT(domain_id); fw_domain_reset(dev_priv, d); } @@ -1175,6 +1166,17 @@ static void intel_uncore_fw_domains_init(struct drm_i915_private *dev_priv) if (INTEL_GEN(dev_priv) <= 5 || intel_vgpu_active(dev_priv)) return; + if (IS_GEN6(dev_priv)) { + dev_priv->uncore.fw_reset = 0; + dev_priv->uncore.fw_set = FORCEWAKE_KERNEL; + dev_priv->uncore.fw_clear = 0; + } else { + /* WaRsClearFWBitsAtReset:bdw,skl */ + dev_priv->uncore.fw_reset = _MASKED_BIT_DISABLE(0xffff); + dev_priv->uncore.fw_set = _MASKED_BIT_ENABLE(FORCEWAKE_KERNEL); + dev_priv->uncore.fw_clear = _MASKED_BIT_DISABLE(FORCEWAKE_KERNEL); + } + if (IS_GEN9(dev_priv)) { dev_priv->uncore.funcs.force_wake_get = fw_domains_get; dev_priv->uncore.funcs.force_wake_put = fw_domains_put; |