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drm/i915: Convert i915_ppgtt_init_hw to intel_gt

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More removal of implicit dev_priv from using old mmio accessors.

v2:
 * Rebase for uncore_to_i915 removal.

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/20190621070811.7006-13-tvrtko.ursulin@linux.intel.com
This commit is contained in:
Tvrtko Ursulin 2019-06-21 08:07:51 +01:00
parent 20a7f2fc4d
commit acb56d97d9
3 changed files with 67 additions and 39 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

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

@ -1267,7 +1267,7 @@ int i915_gem_init_hw(struct drm_i915_private *dev_priv)
if (ret)
goto out;
ret = i915_ppgtt_init_hw(dev_priv);
ret = i915_ppgtt_init_hw(&dev_priv->gt);
if (ret) {
DRM_ERROR("Enabling PPGTT failed (%d)\n", ret);
goto out;

101
drivers/gpu/drm/i915/i915_gem_gtt.c
View File

@ -1720,25 +1720,29 @@ static inline void gen6_write_pde(const struct gen6_ppgtt *ppgtt,
ppgtt->pd_addr + pde);
}
static void gen7_ppgtt_enable(struct drm_i915_private *dev_priv)
static void gen7_ppgtt_enable(struct intel_gt *gt)
{
struct drm_i915_private *i915 = gt->i915;
struct intel_uncore *uncore = gt->uncore;
struct intel_engine_cs *engine;
u32 ecochk, ecobits;
enum intel_engine_id id;
ecobits = I915_READ(GAC_ECO_BITS);
I915_WRITE(GAC_ECO_BITS, ecobits | ECOBITS_PPGTT_CACHE64B);
ecobits = intel_uncore_read(uncore, GAC_ECO_BITS);
intel_uncore_write(uncore,
GAC_ECO_BITS,
ecobits | ECOBITS_PPGTT_CACHE64B);
ecochk = I915_READ(GAM_ECOCHK);
if (IS_HASWELL(dev_priv)) {
ecochk = intel_uncore_read(uncore, GAM_ECOCHK);
if (IS_HASWELL(i915)) {
ecochk |= ECOCHK_PPGTT_WB_HSW;
} else {
ecochk |= ECOCHK_PPGTT_LLC_IVB;
ecochk &= ~ECOCHK_PPGTT_GFDT_IVB;
}
I915_WRITE(GAM_ECOCHK, ecochk);
intel_uncore_write(uncore, GAM_ECOCHK, ecochk);
for_each_engine(engine, dev_priv, id) {
for_each_engine(engine, i915, id) {
/* GFX_MODE is per-ring on gen7+ */
ENGINE_WRITE(engine,
RING_MODE_GEN7,
@ -1746,22 +1750,30 @@ static void gen7_ppgtt_enable(struct drm_i915_private *dev_priv)
}
}
static void gen6_ppgtt_enable(struct drm_i915_private *dev_priv)
static void gen6_ppgtt_enable(struct intel_gt *gt)
{
struct intel_uncore *uncore = gt->uncore;
u32 ecochk, gab_ctl, ecobits;
ecobits = I915_READ(GAC_ECO_BITS);
I915_WRITE(GAC_ECO_BITS, ecobits | ECOBITS_SNB_BIT |
ECOBITS_PPGTT_CACHE64B);
ecobits = intel_uncore_read(uncore, GAC_ECO_BITS);
intel_uncore_write(uncore,
GAC_ECO_BITS,
ecobits | ECOBITS_SNB_BIT | ECOBITS_PPGTT_CACHE64B);
gab_ctl = I915_READ(GAB_CTL);
I915_WRITE(GAB_CTL, gab_ctl | GAB_CTL_CONT_AFTER_PAGEFAULT);
gab_ctl = intel_uncore_read(uncore, GAB_CTL);
intel_uncore_write(uncore,
GAB_CTL,
gab_ctl | GAB_CTL_CONT_AFTER_PAGEFAULT);
ecochk = I915_READ(GAM_ECOCHK);
I915_WRITE(GAM_ECOCHK, ecochk | ECOCHK_SNB_BIT | ECOCHK_PPGTT_CACHE64B);
ecochk = intel_uncore_read(uncore, GAM_ECOCHK);
intel_uncore_write(uncore,
GAM_ECOCHK,
ecochk | ECOCHK_SNB_BIT | ECOCHK_PPGTT_CACHE64B);
if (HAS_PPGTT(dev_priv)) /* may be disabled for VT-d */
I915_WRITE(GFX_MODE, _MASKED_BIT_ENABLE(GFX_PPGTT_ENABLE));
if (HAS_PPGTT(uncore->i915)) /* may be disabled for VT-d */
intel_uncore_write(uncore,
GFX_MODE,
_MASKED_BIT_ENABLE(GFX_PPGTT_ENABLE));
}
/* PPGTT support for Sandybdrige/Gen6 and later */
@ -2174,21 +2186,32 @@ err_free:
return ERR_PTR(err);
}
static void gtt_write_workarounds(struct drm_i915_private *dev_priv)
static void gtt_write_workarounds(struct intel_gt *gt)
{
struct drm_i915_private *i915 = gt->i915;
struct intel_uncore *uncore = gt->uncore;
/* This function is for gtt related workarounds. This function is
* called on driver load and after a GPU reset, so you can place
* workarounds here even if they get overwritten by GPU reset.
*/
/* WaIncreaseDefaultTLBEntries:chv,bdw,skl,bxt,kbl,glk,cfl,cnl,icl */
if (IS_BROADWELL(dev_priv))
I915_WRITE(GEN8_L3_LRA_1_GPGPU, GEN8_L3_LRA_1_GPGPU_DEFAULT_VALUE_BDW);
else if (IS_CHERRYVIEW(dev_priv))
I915_WRITE(GEN8_L3_LRA_1_GPGPU, GEN8_L3_LRA_1_GPGPU_DEFAULT_VALUE_CHV);
else if (IS_GEN9_LP(dev_priv))
I915_WRITE(GEN8_L3_LRA_1_GPGPU, GEN9_L3_LRA_1_GPGPU_DEFAULT_VALUE_BXT);
else if (INTEL_GEN(dev_priv) >= 9)
I915_WRITE(GEN8_L3_LRA_1_GPGPU, GEN9_L3_LRA_1_GPGPU_DEFAULT_VALUE_SKL);
if (IS_BROADWELL(i915))
intel_uncore_write(uncore,
GEN8_L3_LRA_1_GPGPU,
GEN8_L3_LRA_1_GPGPU_DEFAULT_VALUE_BDW);
else if (IS_CHERRYVIEW(i915))
intel_uncore_write(uncore,
GEN8_L3_LRA_1_GPGPU,
GEN8_L3_LRA_1_GPGPU_DEFAULT_VALUE_CHV);
else if (IS_GEN9_LP(i915))
intel_uncore_write(uncore,
GEN8_L3_LRA_1_GPGPU,
GEN9_L3_LRA_1_GPGPU_DEFAULT_VALUE_BXT);
else if (INTEL_GEN(i915) >= 9)
intel_uncore_write(uncore,
GEN8_L3_LRA_1_GPGPU,
GEN9_L3_LRA_1_GPGPU_DEFAULT_VALUE_SKL);
/*
* To support 64K PTEs we need to first enable the use of the
@ -2201,21 +2224,25 @@ static void gtt_write_workarounds(struct drm_i915_private *dev_priv)
* 32K pages, but we don't currently have any support for it in our
* driver.
*/
if (HAS_PAGE_SIZES(dev_priv, I915_GTT_PAGE_SIZE_64K) &&
INTEL_GEN(dev_priv) <= 10)
I915_WRITE(GEN8_GAMW_ECO_DEV_RW_IA,
I915_READ(GEN8_GAMW_ECO_DEV_RW_IA) |
GAMW_ECO_ENABLE_64K_IPS_FIELD);
if (HAS_PAGE_SIZES(i915, I915_GTT_PAGE_SIZE_64K) &&
INTEL_GEN(i915) <= 10)
intel_uncore_write(uncore,
GEN8_GAMW_ECO_DEV_RW_IA,
intel_uncore_read(uncore,
GEN8_GAMW_ECO_DEV_RW_IA) |
GAMW_ECO_ENABLE_64K_IPS_FIELD);
}
int i915_ppgtt_init_hw(struct drm_i915_private *dev_priv)
int i915_ppgtt_init_hw(struct intel_gt *gt)
{
gtt_write_workarounds(dev_priv);
struct drm_i915_private *i915 = gt->i915;
if (IS_GEN(dev_priv, 6))
gen6_ppgtt_enable(dev_priv);
else if (IS_GEN(dev_priv, 7))
gen7_ppgtt_enable(dev_priv);
gtt_write_workarounds(gt);
if (IS_GEN(i915, 6))
gen6_ppgtt_enable(gt);
else if (IS_GEN(i915, 7))
gen7_ppgtt_enable(gt);
return 0;
}

3
drivers/gpu/drm/i915/i915_gem_gtt.h
View File

@ -68,6 +68,7 @@
struct drm_i915_file_private;
struct drm_i915_gem_object;
struct i915_vma;
struct intel_gt;
typedef u32 gen6_pte_t;
typedef u64 gen8_pte_t;
@ -656,7 +657,7 @@ void i915_ggtt_disable_guc(struct drm_i915_private *i915);
int i915_gem_init_ggtt(struct drm_i915_private *dev_priv);
void i915_ggtt_cleanup_hw(struct drm_i915_private *dev_priv);
int i915_ppgtt_init_hw(struct drm_i915_private *dev_priv);
int i915_ppgtt_init_hw(struct intel_gt *gt);
struct i915_ppgtt *i915_ppgtt_create(struct drm_i915_private *dev_priv);