[Intel-gfx] [PATCH 1/2] drm/i915/uncore: split the fw get function into separate vfunc
Dave Airlie
airlied at gmail.com
Thu Sep 9 02:34:19 UTC 2021
From: Dave Airlie <airlied at redhat.com>
constify it while here. drop the put function since it was never
overloaded and always has done the same thing, no point in
indirecting it for show.
Reviewed-by: Jani Nikula <jani.nikula at intel.com>
Signed-off-by: Dave Airlie <airlied at redhat.com>
---
drivers/gpu/drm/i915/intel_uncore.c | 70 ++++++++++++++++-------------
drivers/gpu/drm/i915/intel_uncore.h | 7 +--
2 files changed, 43 insertions(+), 34 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c
index f9767054dbdf..8652e4221404 100644
--- a/drivers/gpu/drm/i915/intel_uncore.c
+++ b/drivers/gpu/drm/i915/intel_uncore.c
@@ -36,6 +36,12 @@
#define __raw_posting_read(...) ((void)__raw_uncore_read32(__VA_ARGS__))
+static void
+fw_domains_get(struct intel_uncore *uncore, enum forcewake_domains fw_domains)
+{
+ uncore->fw_get_funcs->force_wake_get(uncore, fw_domains);
+}
+
void
intel_uncore_mmio_debug_init_early(struct intel_uncore_mmio_debug *mmio_debug)
{
@@ -248,7 +254,7 @@ fw_domain_put(const struct intel_uncore_forcewake_domain *d)
}
static void
-fw_domains_get(struct intel_uncore *uncore, enum forcewake_domains fw_domains)
+fw_domains_get_normal(struct intel_uncore *uncore, enum forcewake_domains fw_domains)
{
struct intel_uncore_forcewake_domain *d;
unsigned int tmp;
@@ -396,7 +402,7 @@ intel_uncore_fw_release_timer(struct hrtimer *timer)
GEM_BUG_ON(!domain->wake_count);
if (--domain->wake_count == 0)
- uncore->funcs.force_wake_put(uncore, domain->mask);
+ fw_domains_put(uncore, domain->mask);
spin_unlock_irqrestore(&uncore->lock, irqflags);
@@ -454,7 +460,7 @@ intel_uncore_forcewake_reset(struct intel_uncore *uncore)
fw = uncore->fw_domains_active;
if (fw)
- uncore->funcs.force_wake_put(uncore, fw);
+ fw_domains_put(uncore, fw);
fw_domains_reset(uncore, uncore->fw_domains);
assert_forcewakes_inactive(uncore);
@@ -562,7 +568,7 @@ static void forcewake_early_sanitize(struct intel_uncore *uncore,
intel_uncore_forcewake_reset(uncore);
if (restore_forcewake) {
spin_lock_irq(&uncore->lock);
- uncore->funcs.force_wake_get(uncore, restore_forcewake);
+ fw_domains_get(uncore, restore_forcewake);
if (intel_uncore_has_fifo(uncore))
uncore->fifo_count = fifo_free_entries(uncore);
@@ -623,7 +629,7 @@ static void __intel_uncore_forcewake_get(struct intel_uncore *uncore,
}
if (fw_domains)
- uncore->funcs.force_wake_get(uncore, fw_domains);
+ fw_domains_get(uncore, fw_domains);
}
/**
@@ -644,7 +650,7 @@ void intel_uncore_forcewake_get(struct intel_uncore *uncore,
{
unsigned long irqflags;
- if (!uncore->funcs.force_wake_get)
+ if (!uncore->fw_get_funcs)
return;
assert_rpm_wakelock_held(uncore->rpm);
@@ -711,7 +717,7 @@ void intel_uncore_forcewake_get__locked(struct intel_uncore *uncore,
{
lockdep_assert_held(&uncore->lock);
- if (!uncore->funcs.force_wake_get)
+ if (!uncore->fw_get_funcs)
return;
__intel_uncore_forcewake_get(uncore, fw_domains);
@@ -733,7 +739,7 @@ static void __intel_uncore_forcewake_put(struct intel_uncore *uncore,
continue;
}
- uncore->funcs.force_wake_put(uncore, domain->mask);
+ fw_domains_put(uncore, domain->mask);
}
}
@@ -750,7 +756,7 @@ void intel_uncore_forcewake_put(struct intel_uncore *uncore,
{
unsigned long irqflags;
- if (!uncore->funcs.force_wake_put)
+ if (!uncore->fw_get_funcs)
return;
spin_lock_irqsave(&uncore->lock, irqflags);
@@ -769,7 +775,7 @@ void intel_uncore_forcewake_flush(struct intel_uncore *uncore,
struct intel_uncore_forcewake_domain *domain;
unsigned int tmp;
- if (!uncore->funcs.force_wake_put)
+ if (!uncore->fw_get_funcs)
return;
fw_domains &= uncore->fw_domains;
@@ -793,7 +799,7 @@ void intel_uncore_forcewake_put__locked(struct intel_uncore *uncore,
{
lockdep_assert_held(&uncore->lock);
- if (!uncore->funcs.force_wake_put)
+ if (!uncore->fw_get_funcs)
return;
__intel_uncore_forcewake_put(uncore, fw_domains);
@@ -801,7 +807,7 @@ void intel_uncore_forcewake_put__locked(struct intel_uncore *uncore,
void assert_forcewakes_inactive(struct intel_uncore *uncore)
{
- if (!uncore->funcs.force_wake_get)
+ if (!uncore->fw_get_funcs)
return;
drm_WARN(&uncore->i915->drm, uncore->fw_domains_active,
@@ -818,7 +824,7 @@ void assert_forcewakes_active(struct intel_uncore *uncore,
if (!IS_ENABLED(CONFIG_DRM_I915_DEBUG_RUNTIME_PM))
return;
- if (!uncore->funcs.force_wake_get)
+ if (!uncore->fw_get_funcs)
return;
spin_lock_irq(&uncore->lock);
@@ -1582,7 +1588,7 @@ static noinline void ___force_wake_auto(struct intel_uncore *uncore,
for_each_fw_domain_masked(domain, fw_domains, uncore, tmp)
fw_domain_arm_timer(domain);
- uncore->funcs.force_wake_get(uncore, fw_domains);
+ fw_domains_get(uncore, fw_domains);
}
static inline void __force_wake_auto(struct intel_uncore *uncore,
@@ -1841,6 +1847,18 @@ static void intel_uncore_fw_domains_fini(struct intel_uncore *uncore)
fw_domain_fini(uncore, d->id);
}
+static const struct intel_uncore_fw_get uncore_get_fallback = {
+ .force_wake_get = fw_domains_get_with_fallback
+};
+
+static const struct intel_uncore_fw_get uncore_get_normal = {
+ .force_wake_get = fw_domains_get_normal,
+};
+
+static const struct intel_uncore_fw_get uncore_get_thread_status = {
+ .force_wake_get = fw_domains_get_with_thread_status
+};
+
static int intel_uncore_fw_domains_init(struct intel_uncore *uncore)
{
struct drm_i915_private *i915 = uncore->i915;
@@ -1856,8 +1874,7 @@ static int intel_uncore_fw_domains_init(struct intel_uncore *uncore)
intel_engine_mask_t emask = INTEL_INFO(i915)->platform_engine_mask;
int i;
- uncore->funcs.force_wake_get = fw_domains_get_with_fallback;
- uncore->funcs.force_wake_put = fw_domains_put;
+ uncore->fw_get_funcs = &uncore_get_fallback;
fw_domain_init(uncore, FW_DOMAIN_ID_RENDER,
FORCEWAKE_RENDER_GEN9,
FORCEWAKE_ACK_RENDER_GEN9);
@@ -1882,8 +1899,7 @@ static int intel_uncore_fw_domains_init(struct intel_uncore *uncore)
FORCEWAKE_ACK_MEDIA_VEBOX_GEN11(i));
}
} else if (IS_GRAPHICS_VER(i915, 9, 10)) {
- uncore->funcs.force_wake_get = fw_domains_get_with_fallback;
- uncore->funcs.force_wake_put = fw_domains_put;
+ uncore->fw_get_funcs = &uncore_get_fallback;
fw_domain_init(uncore, FW_DOMAIN_ID_RENDER,
FORCEWAKE_RENDER_GEN9,
FORCEWAKE_ACK_RENDER_GEN9);
@@ -1893,16 +1909,13 @@ static int intel_uncore_fw_domains_init(struct intel_uncore *uncore)
fw_domain_init(uncore, FW_DOMAIN_ID_MEDIA,
FORCEWAKE_MEDIA_GEN9, FORCEWAKE_ACK_MEDIA_GEN9);
} else if (IS_VALLEYVIEW(i915) || IS_CHERRYVIEW(i915)) {
- uncore->funcs.force_wake_get = fw_domains_get;
- uncore->funcs.force_wake_put = fw_domains_put;
+ uncore->fw_get_funcs = &uncore_get_normal;
fw_domain_init(uncore, FW_DOMAIN_ID_RENDER,
FORCEWAKE_VLV, FORCEWAKE_ACK_VLV);
fw_domain_init(uncore, FW_DOMAIN_ID_MEDIA,
FORCEWAKE_MEDIA_VLV, FORCEWAKE_ACK_MEDIA_VLV);
} else if (IS_HASWELL(i915) || IS_BROADWELL(i915)) {
- uncore->funcs.force_wake_get =
- fw_domains_get_with_thread_status;
- uncore->funcs.force_wake_put = fw_domains_put;
+ uncore->fw_get_funcs = &uncore_get_thread_status;
fw_domain_init(uncore, FW_DOMAIN_ID_RENDER,
FORCEWAKE_MT, FORCEWAKE_ACK_HSW);
} else if (IS_IVYBRIDGE(i915)) {
@@ -1917,9 +1930,7 @@ static int intel_uncore_fw_domains_init(struct intel_uncore *uncore)
* (correctly) interpreted by the test below as MT
* forcewake being disabled.
*/
- uncore->funcs.force_wake_get =
- fw_domains_get_with_thread_status;
- uncore->funcs.force_wake_put = fw_domains_put;
+ uncore->fw_get_funcs = &uncore_get_thread_status;
/* We need to init first for ECOBUS access and then
* determine later if we want to reinit, in case of MT access is
@@ -1950,9 +1961,7 @@ static int intel_uncore_fw_domains_init(struct intel_uncore *uncore)
FORCEWAKE, FORCEWAKE_ACK);
}
} else if (GRAPHICS_VER(i915) == 6) {
- uncore->funcs.force_wake_get =
- fw_domains_get_with_thread_status;
- uncore->funcs.force_wake_put = fw_domains_put;
+ uncore->fw_get_funcs = &uncore_get_thread_status;
fw_domain_init(uncore, FW_DOMAIN_ID_RENDER,
FORCEWAKE, FORCEWAKE_ACK);
}
@@ -2161,8 +2170,7 @@ int intel_uncore_init_mmio(struct intel_uncore *uncore)
}
/* make sure fw funcs are set if and only if we have fw*/
- GEM_BUG_ON(intel_uncore_has_forcewake(uncore) != !!uncore->funcs.force_wake_get);
- GEM_BUG_ON(intel_uncore_has_forcewake(uncore) != !!uncore->funcs.force_wake_put);
+ GEM_BUG_ON(intel_uncore_has_forcewake(uncore) != !!uncore->fw_get_funcs);
GEM_BUG_ON(intel_uncore_has_forcewake(uncore) != !!uncore->funcs.read_fw_domains);
GEM_BUG_ON(intel_uncore_has_forcewake(uncore) != !!uncore->funcs.write_fw_domains);
diff --git a/drivers/gpu/drm/i915/intel_uncore.h b/drivers/gpu/drm/i915/intel_uncore.h
index 531665b08039..1950380c0d79 100644
--- a/drivers/gpu/drm/i915/intel_uncore.h
+++ b/drivers/gpu/drm/i915/intel_uncore.h
@@ -84,12 +84,12 @@ enum forcewake_domains {
FORCEWAKE_ALL = BIT(FW_DOMAIN_ID_COUNT) - 1,
};
-struct intel_uncore_funcs {
+struct intel_uncore_fw_get {
void (*force_wake_get)(struct intel_uncore *uncore,
enum forcewake_domains domains);
- void (*force_wake_put)(struct intel_uncore *uncore,
- enum forcewake_domains domains);
+};
+struct intel_uncore_funcs {
enum forcewake_domains (*read_fw_domains)(struct intel_uncore *uncore,
i915_reg_t r);
enum forcewake_domains (*write_fw_domains)(struct intel_uncore *uncore,
@@ -143,6 +143,7 @@ struct intel_uncore {
unsigned int fw_domains_table_entries;
struct notifier_block pmic_bus_access_nb;
+ const struct intel_uncore_fw_get *fw_get_funcs;
struct intel_uncore_funcs funcs;
unsigned int fifo_count;
--
2.31.1
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