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drm/i915: Convert intel_mocs_init_l3cc_table to intel_gt

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More removal of implicit dev_priv from using old mmio accessors.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20190621070811.7006-12-tvrtko.ursulin@linux.intel.com
This commit is contained in:
Tvrtko Ursulin 2019-06-21 08:07:50 +01:00
parent f937f5613b
commit 20a7f2fc4d
3 changed files with 35 additions and 22 deletions
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52
drivers/gpu/drm/i915/gt/intel_mocs.c
View File

@ -23,6 +23,7 @@
#include "i915_drv.h"
#include "intel_engine.h"
#include "intel_gt.h"
#include "intel_mocs.h"
#include "intel_lrc.h"
@ -247,7 +248,7 @@ 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.
*
@ -257,33 +258,34 @@ 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++)
@ -338,12 +340,13 @@ 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 */
@ -352,12 +355,16 @@ 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);
}
/**
@ -502,13 +509,14 @@ 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 */
@ -518,23 +526,27 @@ 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));
}
/**
@ -558,7 +570,7 @@ 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)

3
drivers/gpu/drm/i915/gt/intel_mocs.h
View File

@ -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

2
drivers/gpu/drm/i915/i915_gem.c
View File

@ -1286,7 +1286,7 @@ 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);