[RFC 10/28] drm/i915: Convert intel_mocs_init_l3cc_table to intel_gt

Tvrtko Ursulin
2019-06-13T13:38:59Z

From: Tvrtko Ursulin <tvrtko.ursulin@intel.com>

More removal of implicit dev_priv from using old mmio accessors.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
---
drivers/gpu/drm/i915/gt/intel_mocs.c | 52 +++++++++++++++++-----------
drivers/gpu/drm/i915/gt/intel_mocs.h | 3 +-
drivers/gpu/drm/i915/i915_gem.c | 2 +-
3 files changed, 35 insertions(+), 22 deletions(-)

diff --git a/drivers/gpu/drm/i915/gt/intel_mocs.c b/drivers/gpu/drm/i915/gt/intel_mocs.c
index 79df66022d3a..aef8aa5b0b4d 100644
--- a/drivers/gpu/drm/i915/gt/intel_mocs.c
+++ b/drivers/gpu/drm/i915/gt/intel_mocs.c
@@ -23,6 +23,7 @@
#include "i915_drv.h"

#include "intel_engine.h"
+#include "intel_gt.h"
#include "intel_mocs.h"
#include "intel_lrc.h"

@@ -239,7 +240,7 @@ static const struct drm_i915_mocs_entry icelake_mocs_table[] = {

/**
* get_mocs_settings()
- * @dev_priv: i915 device.
+ * @gt: gt device
* @table: Output table that will be made to point at appropriate
* MOCS values for the device.
*
@@ -249,33 +250,34 @@ static const struct drm_i915_mocs_entry icelake_mocs_table[] = {
*
* Return: true if there are applicable MOCS settings for the device.
*/
-static bool get_mocs_settings(struct drm_i915_private *dev_priv,
+static bool get_mocs_settings(struct intel_gt *gt,
struct drm_i915_mocs_table *table)
{
+ struct drm_i915_private *i915 = gt->i915;
bool result = false;

- if (INTEL_GEN(dev_priv) >= 11) {
+ if (INTEL_GEN(i915) >= 11) {
table->size = ARRAY_SIZE(icelake_mocs_table);
table->table = icelake_mocs_table;
table->n_entries = GEN11_NUM_MOCS_ENTRIES;
result = true;
- } else if (IS_GEN9_BC(dev_priv) || IS_CANNONLAKE(dev_priv)) {
+ } else if (IS_GEN9_BC(i915) || IS_CANNONLAKE(i915)) {
table->size = ARRAY_SIZE(skylake_mocs_table);
table->n_entries = GEN9_NUM_MOCS_ENTRIES;
table->table = skylake_mocs_table;
result = true;
- } else if (IS_GEN9_LP(dev_priv)) {
+ } else if (IS_GEN9_LP(i915)) {
table->size = ARRAY_SIZE(broxton_mocs_table);
table->n_entries = GEN9_NUM_MOCS_ENTRIES;
table->table = broxton_mocs_table;
result = true;
} else {
- WARN_ONCE(INTEL_GEN(dev_priv) >= 9,
+ WARN_ONCE(INTEL_GEN(i915) >= 9,
"Platform that should have a MOCS table does not.\n");
}

/* WaDisableSkipCaching:skl,bxt,kbl,glk */
- if (IS_GEN(dev_priv, 9)) {
+ if (IS_GEN(i915, 9)) {
int i;

for (i = 0; i < table->size; i++)
@@ -330,12 +332,13 @@ static u32 get_entry_control(const struct drm_i915_mocs_table *table,
*/
void intel_mocs_init_engine(struct intel_engine_cs *engine)
{
- struct drm_i915_private *dev_priv = engine->i915;
+ struct intel_gt *gt = engine->gt;
+ struct intel_uncore *uncore = gt->uncore;
struct drm_i915_mocs_table table;
unsigned int index;
u32 unused_value;

- if (!get_mocs_settings(dev_priv, &table))
+ if (!get_mocs_settings(gt, &table))
return;

/* Set unused values to PTE */
@@ -344,12 +347,16 @@ void intel_mocs_init_engine(struct intel_engine_cs *engine)
for (index = 0; index < table.size; index++) {
u32 value = get_entry_control(&table, index);

- I915_WRITE(mocs_register(engine->id, index), value);
+ intel_uncore_write(uncore,
+ mocs_register(engine->id, index),
+ value);
}

/* All remaining entries are also unused */
for (; index < table.n_entries; index++)
- I915_WRITE(mocs_register(engine->id, index), unused_value);
+ intel_uncore_write(uncore,
+ mocs_register(engine->id, index),
+ unused_value);
}

/**
@@ -494,13 +501,14 @@ static int emit_mocs_l3cc_table(struct i915_request *rq,
*
* Return: Nothing.
*/
-void intel_mocs_init_l3cc_table(struct drm_i915_private *dev_priv)
+void intel_mocs_init_l3cc_table(struct intel_gt *gt)
{
+ struct intel_uncore *uncore = gt->uncore;
struct drm_i915_mocs_table table;
unsigned int i;
u16 unused_value;

- if (!get_mocs_settings(dev_priv, &table))
+ if (!get_mocs_settings(gt, &table))
return;

/* Set unused values to PTE */
@@ -510,23 +518,27 @@ void intel_mocs_init_l3cc_table(struct drm_i915_private *dev_priv)
u16 low = get_entry_l3cc(&table, 2 * i);
u16 high = get_entry_l3cc(&table, 2 * i + 1);

- I915_WRITE(GEN9_LNCFCMOCS(i),
- l3cc_combine(&table, low, high));
+ intel_uncore_write(uncore,
+ GEN9_LNCFCMOCS(i),
+ l3cc_combine(&table, low, high));
}

/* Odd table size - 1 left over */
if (table.size & 0x01) {
u16 low = get_entry_l3cc(&table, 2 * i);

- I915_WRITE(GEN9_LNCFCMOCS(i),
- l3cc_combine(&table, low, unused_value));
+ intel_uncore_write(uncore,
+ GEN9_LNCFCMOCS(i),
+ l3cc_combine(&table, low, unused_value));
i++;
}

/* All remaining entries are also unused */
for (; i < table.n_entries / 2; i++)
- I915_WRITE(GEN9_LNCFCMOCS(i),
- l3cc_combine(&table, unused_value, unused_value));
+ intel_uncore_write(uncore,
+ GEN9_LNCFCMOCS(i),
+ l3cc_combine(&table, unused_value,
+ unused_value));
}

/**
@@ -550,7 +562,7 @@ int intel_rcs_context_init_mocs(struct i915_request *rq)
struct drm_i915_mocs_table t;
int ret;

- if (get_mocs_settings(rq->i915, &t)) {
+ if (get_mocs_settings(rq->engine->gt, &t)) {
/* Program the RCS control registers */
ret = emit_mocs_control_table(rq, &t);
if (ret)
diff --git a/drivers/gpu/drm/i915/gt/intel_mocs.h b/drivers/gpu/drm/i915/gt/intel_mocs.h
index 0913704a1af2..8b9813e6f9ac 100644
--- a/drivers/gpu/drm/i915/gt/intel_mocs.h
+++ b/drivers/gpu/drm/i915/gt/intel_mocs.h
@@ -52,9 +52,10 @@
struct drm_i915_private;
struct i915_request;
struct intel_engine_cs;
+struct intel_gt;

int intel_rcs_context_init_mocs(struct i915_request *rq);
-void intel_mocs_init_l3cc_table(struct drm_i915_private *dev_priv);
+void intel_mocs_init_l3cc_table(struct intel_gt *gt);
void intel_mocs_init_engine(struct intel_engine_cs *engine);

#endif
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 27d93fc8d20b..49c7c7b87bdc 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1289,7 +1289,7 @@ int i915_gem_init_hw(struct drm_i915_private *dev_priv)
goto out;
}

- intel_mocs_init_l3cc_table(dev_priv);
+ intel_mocs_init_l3cc_table(&dev_priv->gt);

/* Only when the HW is re-initialised, can we replay the requests */
ret = intel_engines_resume(dev_priv);
--
2.20.1