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path: root/drivers/gpu/drm/i915/i915_gem_gtt.c
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Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_gtt.c')
-rw-r--r--drivers/gpu/drm/i915/i915_gem_gtt.c139
1 files changed, 100 insertions, 39 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index 86c7500454b4..56f4f2e58d53 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -24,6 +24,7 @@
*/
#include <linux/seq_file.h>
+#include <linux/stop_machine.h>
#include <drm/drmP.h>
#include <drm/i915_drm.h>
#include "i915_drv.h"
@@ -104,9 +105,11 @@ static int sanitize_enable_ppgtt(struct drm_device *dev, int enable_ppgtt)
{
bool has_aliasing_ppgtt;
bool has_full_ppgtt;
+ bool has_full_48bit_ppgtt;
has_aliasing_ppgtt = INTEL_INFO(dev)->gen >= 6;
has_full_ppgtt = INTEL_INFO(dev)->gen >= 7;
+ has_full_48bit_ppgtt = IS_BROADWELL(dev) || INTEL_INFO(dev)->gen >= 9;
if (intel_vgpu_active(dev))
has_full_ppgtt = false; /* emulation is too hard */
@@ -125,6 +128,9 @@ static int sanitize_enable_ppgtt(struct drm_device *dev, int enable_ppgtt)
if (enable_ppgtt == 2 && has_full_ppgtt)
return 2;
+ if (enable_ppgtt == 3 && has_full_48bit_ppgtt)
+ return 3;
+
#ifdef CONFIG_INTEL_IOMMU
/* Disable ppgtt on SNB if VT-d is on. */
if (INTEL_INFO(dev)->gen == 6 && intel_iommu_gfx_mapped) {
@@ -134,14 +140,13 @@ static int sanitize_enable_ppgtt(struct drm_device *dev, int enable_ppgtt)
#endif
/* Early VLV doesn't have this */
- if (IS_VALLEYVIEW(dev) && !IS_CHERRYVIEW(dev) &&
- dev->pdev->revision < 0xb) {
+ if (IS_VALLEYVIEW(dev) && dev->pdev->revision < 0xb) {
DRM_DEBUG_DRIVER("disabling PPGTT on pre-B3 step VLV\n");
return 0;
}
if (INTEL_INFO(dev)->gen >= 8 && i915.enable_execlists)
- return 2;
+ return has_full_48bit_ppgtt ? 3 : 2;
else
return has_aliasing_ppgtt ? 1 : 0;
}
@@ -661,10 +666,10 @@ static int gen8_write_pdp(struct drm_i915_gem_request *req,
return ret;
intel_ring_emit(ring, MI_LOAD_REGISTER_IMM(1));
- intel_ring_emit(ring, GEN8_RING_PDP_UDW(ring, entry));
+ intel_ring_emit_reg(ring, GEN8_RING_PDP_UDW(ring, entry));
intel_ring_emit(ring, upper_32_bits(addr));
intel_ring_emit(ring, MI_LOAD_REGISTER_IMM(1));
- intel_ring_emit(ring, GEN8_RING_PDP_LDW(ring, entry));
+ intel_ring_emit_reg(ring, GEN8_RING_PDP_LDW(ring, entry));
intel_ring_emit(ring, lower_32_bits(addr));
intel_ring_advance(ring);
@@ -764,10 +769,10 @@ static void gen8_ppgtt_clear_range(struct i915_address_space *vm,
gen8_ppgtt_clear_pte_range(vm, &ppgtt->pdp, start, length,
scratch_pte);
} else {
- uint64_t templ4, pml4e;
+ uint64_t pml4e;
struct i915_page_directory_pointer *pdp;
- gen8_for_each_pml4e(pdp, &ppgtt->pml4, start, length, templ4, pml4e) {
+ gen8_for_each_pml4e(pdp, &ppgtt->pml4, start, length, pml4e) {
gen8_ppgtt_clear_pte_range(vm, pdp, start, length,
scratch_pte);
}
@@ -833,10 +838,10 @@ static void gen8_ppgtt_insert_entries(struct i915_address_space *vm,
cache_level);
} else {
struct i915_page_directory_pointer *pdp;
- uint64_t templ4, pml4e;
+ uint64_t pml4e;
uint64_t length = (uint64_t)pages->orig_nents << PAGE_SHIFT;
- gen8_for_each_pml4e(pdp, &ppgtt->pml4, start, length, templ4, pml4e) {
+ gen8_for_each_pml4e(pdp, &ppgtt->pml4, start, length, pml4e) {
gen8_ppgtt_insert_pte_entries(vm, pdp, &sg_iter,
start, cache_level);
}
@@ -904,14 +909,13 @@ static int gen8_ppgtt_notify_vgt(struct i915_hw_ppgtt *ppgtt, bool create)
enum vgt_g2v_type msg;
struct drm_device *dev = ppgtt->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
- unsigned int offset = vgtif_reg(pdp0_lo);
int i;
if (USES_FULL_48BIT_PPGTT(dev)) {
u64 daddr = px_dma(&ppgtt->pml4);
- I915_WRITE(offset, lower_32_bits(daddr));
- I915_WRITE(offset + 4, upper_32_bits(daddr));
+ I915_WRITE(vgtif_reg(pdp[0].lo), lower_32_bits(daddr));
+ I915_WRITE(vgtif_reg(pdp[0].hi), upper_32_bits(daddr));
msg = (create ? VGT_G2V_PPGTT_L4_PAGE_TABLE_CREATE :
VGT_G2V_PPGTT_L4_PAGE_TABLE_DESTROY);
@@ -919,10 +923,8 @@ static int gen8_ppgtt_notify_vgt(struct i915_hw_ppgtt *ppgtt, bool create)
for (i = 0; i < GEN8_LEGACY_PDPES; i++) {
u64 daddr = i915_page_dir_dma_addr(ppgtt, i);
- I915_WRITE(offset, lower_32_bits(daddr));
- I915_WRITE(offset + 4, upper_32_bits(daddr));
-
- offset += 8;
+ I915_WRITE(vgtif_reg(pdp[i].lo), lower_32_bits(daddr));
+ I915_WRITE(vgtif_reg(pdp[i].hi), upper_32_bits(daddr));
}
msg = (create ? VGT_G2V_PPGTT_L3_PAGE_TABLE_CREATE :
@@ -1017,10 +1019,9 @@ static int gen8_ppgtt_alloc_pagetabs(struct i915_address_space *vm,
{
struct drm_device *dev = vm->dev;
struct i915_page_table *pt;
- uint64_t temp;
uint32_t pde;
- gen8_for_each_pde(pt, pd, start, length, temp, pde) {
+ gen8_for_each_pde(pt, pd, start, length, pde) {
/* Don't reallocate page tables */
if (test_bit(pde, pd->used_pdes)) {
/* Scratch is never allocated this way */
@@ -1079,13 +1080,12 @@ gen8_ppgtt_alloc_page_directories(struct i915_address_space *vm,
{
struct drm_device *dev = vm->dev;
struct i915_page_directory *pd;
- uint64_t temp;
uint32_t pdpe;
uint32_t pdpes = I915_PDPES_PER_PDP(dev);
WARN_ON(!bitmap_empty(new_pds, pdpes));
- gen8_for_each_pdpe(pd, pdp, start, length, temp, pdpe) {
+ gen8_for_each_pdpe(pd, pdp, start, length, pdpe) {
if (test_bit(pdpe, pdp->used_pdpes))
continue;
@@ -1133,12 +1133,11 @@ gen8_ppgtt_alloc_page_dirpointers(struct i915_address_space *vm,
{
struct drm_device *dev = vm->dev;
struct i915_page_directory_pointer *pdp;
- uint64_t temp;
uint32_t pml4e;
WARN_ON(!bitmap_empty(new_pdps, GEN8_PML4ES_PER_PML4));
- gen8_for_each_pml4e(pdp, pml4, start, length, temp, pml4e) {
+ gen8_for_each_pml4e(pdp, pml4, start, length, pml4e) {
if (!test_bit(pml4e, pml4->used_pml4es)) {
pdp = alloc_pdp(dev);
if (IS_ERR(pdp))
@@ -1222,7 +1221,6 @@ static int gen8_alloc_va_range_3lvl(struct i915_address_space *vm,
struct i915_page_directory *pd;
const uint64_t orig_start = start;
const uint64_t orig_length = length;
- uint64_t temp;
uint32_t pdpe;
uint32_t pdpes = I915_PDPES_PER_PDP(dev);
int ret;
@@ -1249,7 +1247,7 @@ static int gen8_alloc_va_range_3lvl(struct i915_address_space *vm,
}
/* For every page directory referenced, allocate page tables */
- gen8_for_each_pdpe(pd, pdp, start, length, temp, pdpe) {
+ gen8_for_each_pdpe(pd, pdp, start, length, pdpe) {
ret = gen8_ppgtt_alloc_pagetabs(vm, pd, start, length,
new_page_tables + pdpe * BITS_TO_LONGS(I915_PDES));
if (ret)
@@ -1261,7 +1259,7 @@ static int gen8_alloc_va_range_3lvl(struct i915_address_space *vm,
/* Allocations have completed successfully, so set the bitmaps, and do
* the mappings. */
- gen8_for_each_pdpe(pd, pdp, start, length, temp, pdpe) {
+ gen8_for_each_pdpe(pd, pdp, start, length, pdpe) {
gen8_pde_t *const page_directory = kmap_px(pd);
struct i915_page_table *pt;
uint64_t pd_len = length;
@@ -1271,7 +1269,7 @@ static int gen8_alloc_va_range_3lvl(struct i915_address_space *vm,
/* Every pd should be allocated, we just did that above. */
WARN_ON(!pd);
- gen8_for_each_pde(pt, pd, pd_start, pd_len, temp, pde) {
+ gen8_for_each_pde(pt, pd, pd_start, pd_len, pde) {
/* Same reasoning as pd */
WARN_ON(!pt);
WARN_ON(!pd_len);
@@ -1308,6 +1306,8 @@ static int gen8_alloc_va_range_3lvl(struct i915_address_space *vm,
err_out:
while (pdpe--) {
+ unsigned long temp;
+
for_each_set_bit(temp, new_page_tables + pdpe *
BITS_TO_LONGS(I915_PDES), I915_PDES)
free_pt(dev, pdp->page_directory[pdpe]->page_table[temp]);
@@ -1330,7 +1330,7 @@ static int gen8_alloc_va_range_4lvl(struct i915_address_space *vm,
struct i915_hw_ppgtt *ppgtt =
container_of(vm, struct i915_hw_ppgtt, base);
struct i915_page_directory_pointer *pdp;
- uint64_t temp, pml4e;
+ uint64_t pml4e;
int ret = 0;
/* Do the pml4 allocations first, so we don't need to track the newly
@@ -1349,7 +1349,7 @@ static int gen8_alloc_va_range_4lvl(struct i915_address_space *vm,
"The allocation has spanned more than 512GB. "
"It is highly likely this is incorrect.");
- gen8_for_each_pml4e(pdp, pml4, start, length, temp, pml4e) {
+ gen8_for_each_pml4e(pdp, pml4, start, length, pml4e) {
WARN_ON(!pdp);
ret = gen8_alloc_va_range_3lvl(vm, pdp, start, length);
@@ -1389,10 +1389,9 @@ static void gen8_dump_pdp(struct i915_page_directory_pointer *pdp,
struct seq_file *m)
{
struct i915_page_directory *pd;
- uint64_t temp;
uint32_t pdpe;
- gen8_for_each_pdpe(pd, pdp, start, length, temp, pdpe) {
+ gen8_for_each_pdpe(pd, pdp, start, length, pdpe) {
struct i915_page_table *pt;
uint64_t pd_len = length;
uint64_t pd_start = start;
@@ -1402,7 +1401,7 @@ static void gen8_dump_pdp(struct i915_page_directory_pointer *pdp,
continue;
seq_printf(m, "\tPDPE #%d\n", pdpe);
- gen8_for_each_pde(pt, pd, pd_start, pd_len, temp, pde) {
+ gen8_for_each_pde(pt, pd, pd_start, pd_len, pde) {
uint32_t pte;
gen8_pte_t *pt_vaddr;
@@ -1452,11 +1451,11 @@ static void gen8_dump_ppgtt(struct i915_hw_ppgtt *ppgtt, struct seq_file *m)
if (!USES_FULL_48BIT_PPGTT(vm->dev)) {
gen8_dump_pdp(&ppgtt->pdp, start, length, scratch_pte, m);
} else {
- uint64_t templ4, pml4e;
+ uint64_t pml4e;
struct i915_pml4 *pml4 = &ppgtt->pml4;
struct i915_page_directory_pointer *pdp;
- gen8_for_each_pml4e(pdp, pml4, start, length, templ4, pml4e) {
+ gen8_for_each_pml4e(pdp, pml4, start, length, pml4e) {
if (!test_bit(pml4e, pml4->used_pml4es))
continue;
@@ -1662,9 +1661,9 @@ static int hsw_mm_switch(struct i915_hw_ppgtt *ppgtt,
return ret;
intel_ring_emit(ring, MI_LOAD_REGISTER_IMM(2));
- intel_ring_emit(ring, RING_PP_DIR_DCLV(ring));
+ intel_ring_emit_reg(ring, RING_PP_DIR_DCLV(ring));
intel_ring_emit(ring, PP_DIR_DCLV_2G);
- intel_ring_emit(ring, RING_PP_DIR_BASE(ring));
+ intel_ring_emit_reg(ring, RING_PP_DIR_BASE(ring));
intel_ring_emit(ring, get_pd_offset(ppgtt));
intel_ring_emit(ring, MI_NOOP);
intel_ring_advance(ring);
@@ -1699,9 +1698,9 @@ static int gen7_mm_switch(struct i915_hw_ppgtt *ppgtt,
return ret;
intel_ring_emit(ring, MI_LOAD_REGISTER_IMM(2));
- intel_ring_emit(ring, RING_PP_DIR_DCLV(ring));
+ intel_ring_emit_reg(ring, RING_PP_DIR_DCLV(ring));
intel_ring_emit(ring, PP_DIR_DCLV_2G);
- intel_ring_emit(ring, RING_PP_DIR_BASE(ring));
+ intel_ring_emit_reg(ring, RING_PP_DIR_BASE(ring));
intel_ring_emit(ring, get_pd_offset(ppgtt));
intel_ring_emit(ring, MI_NOOP);
intel_ring_advance(ring);
@@ -2352,6 +2351,9 @@ static void gen8_ggtt_insert_entries(struct i915_address_space *vm,
int i = 0;
struct sg_page_iter sg_iter;
dma_addr_t addr = 0; /* shut up gcc */
+ int rpm_atomic_seq;
+
+ rpm_atomic_seq = assert_rpm_atomic_begin(dev_priv);
for_each_sg_page(st->sgl, &sg_iter, st->nents, 0) {
addr = sg_dma_address(sg_iter.sg) +
@@ -2378,6 +2380,34 @@ static void gen8_ggtt_insert_entries(struct i915_address_space *vm,
*/
I915_WRITE(GFX_FLSH_CNTL_GEN6, GFX_FLSH_CNTL_EN);
POSTING_READ(GFX_FLSH_CNTL_GEN6);
+
+ assert_rpm_atomic_end(dev_priv, rpm_atomic_seq);
+}
+
+struct insert_entries {
+ struct i915_address_space *vm;
+ struct sg_table *st;
+ uint64_t start;
+ enum i915_cache_level level;
+ u32 flags;
+};
+
+static int gen8_ggtt_insert_entries__cb(void *_arg)
+{
+ struct insert_entries *arg = _arg;
+ gen8_ggtt_insert_entries(arg->vm, arg->st,
+ arg->start, arg->level, arg->flags);
+ return 0;
+}
+
+static void gen8_ggtt_insert_entries__BKL(struct i915_address_space *vm,
+ struct sg_table *st,
+ uint64_t start,
+ enum i915_cache_level level,
+ u32 flags)
+{
+ struct insert_entries arg = { vm, st, start, level, flags };
+ stop_machine(gen8_ggtt_insert_entries__cb, &arg, NULL);
}
/*
@@ -2398,6 +2428,9 @@ static void gen6_ggtt_insert_entries(struct i915_address_space *vm,
int i = 0;
struct sg_page_iter sg_iter;
dma_addr_t addr = 0;
+ int rpm_atomic_seq;
+
+ rpm_atomic_seq = assert_rpm_atomic_begin(dev_priv);
for_each_sg_page(st->sgl, &sg_iter, st->nents, 0) {
addr = sg_page_iter_dma_address(&sg_iter);
@@ -2422,6 +2455,8 @@ static void gen6_ggtt_insert_entries(struct i915_address_space *vm,
*/
I915_WRITE(GFX_FLSH_CNTL_GEN6, GFX_FLSH_CNTL_EN);
POSTING_READ(GFX_FLSH_CNTL_GEN6);
+
+ assert_rpm_atomic_end(dev_priv, rpm_atomic_seq);
}
static void gen8_ggtt_clear_range(struct i915_address_space *vm,
@@ -2436,6 +2471,9 @@ static void gen8_ggtt_clear_range(struct i915_address_space *vm,
(gen8_pte_t __iomem *) dev_priv->gtt.gsm + first_entry;
const int max_entries = gtt_total_entries(dev_priv->gtt) - first_entry;
int i;
+ int rpm_atomic_seq;
+
+ rpm_atomic_seq = assert_rpm_atomic_begin(dev_priv);
if (WARN(num_entries > max_entries,
"First entry = %d; Num entries = %d (max=%d)\n",
@@ -2448,6 +2486,8 @@ static void gen8_ggtt_clear_range(struct i915_address_space *vm,
for (i = 0; i < num_entries; i++)
gen8_set_pte(&gtt_base[i], scratch_pte);
readl(gtt_base);
+
+ assert_rpm_atomic_end(dev_priv, rpm_atomic_seq);
}
static void gen6_ggtt_clear_range(struct i915_address_space *vm,
@@ -2462,6 +2502,9 @@ static void gen6_ggtt_clear_range(struct i915_address_space *vm,
(gen6_pte_t __iomem *) dev_priv->gtt.gsm + first_entry;
const int max_entries = gtt_total_entries(dev_priv->gtt) - first_entry;
int i;
+ int rpm_atomic_seq;
+
+ rpm_atomic_seq = assert_rpm_atomic_begin(dev_priv);
if (WARN(num_entries > max_entries,
"First entry = %d; Num entries = %d (max=%d)\n",
@@ -2474,6 +2517,8 @@ static void gen6_ggtt_clear_range(struct i915_address_space *vm,
for (i = 0; i < num_entries; i++)
iowrite32(scratch_pte, &gtt_base[i]);
readl(gtt_base);
+
+ assert_rpm_atomic_end(dev_priv, rpm_atomic_seq);
}
static void i915_ggtt_insert_entries(struct i915_address_space *vm,
@@ -2481,11 +2526,17 @@ static void i915_ggtt_insert_entries(struct i915_address_space *vm,
uint64_t start,
enum i915_cache_level cache_level, u32 unused)
{
+ struct drm_i915_private *dev_priv = vm->dev->dev_private;
unsigned int flags = (cache_level == I915_CACHE_NONE) ?
AGP_USER_MEMORY : AGP_USER_CACHED_MEMORY;
+ int rpm_atomic_seq;
+
+ rpm_atomic_seq = assert_rpm_atomic_begin(dev_priv);
intel_gtt_insert_sg_entries(pages, start >> PAGE_SHIFT, flags);
+ assert_rpm_atomic_end(dev_priv, rpm_atomic_seq);
+
}
static void i915_ggtt_clear_range(struct i915_address_space *vm,
@@ -2493,9 +2544,16 @@ static void i915_ggtt_clear_range(struct i915_address_space *vm,
uint64_t length,
bool unused)
{
+ struct drm_i915_private *dev_priv = vm->dev->dev_private;
unsigned first_entry = start >> PAGE_SHIFT;
unsigned num_entries = length >> PAGE_SHIFT;
+ int rpm_atomic_seq;
+
+ rpm_atomic_seq = assert_rpm_atomic_begin(dev_priv);
+
intel_gtt_clear_range(first_entry, num_entries);
+
+ assert_rpm_atomic_end(dev_priv, rpm_atomic_seq);
}
static int ggtt_bind_vma(struct i915_vma *vma,
@@ -2996,6 +3054,9 @@ static int gen8_gmch_probe(struct drm_device *dev,
dev_priv->gtt.base.bind_vma = ggtt_bind_vma;
dev_priv->gtt.base.unbind_vma = ggtt_unbind_vma;
+ if (IS_CHERRYVIEW(dev_priv))
+ dev_priv->gtt.base.insert_entries = gen8_ggtt_insert_entries__BKL;
+
return ret;
}
@@ -3303,7 +3364,7 @@ static struct sg_table *
intel_rotate_fb_obj_pages(struct i915_ggtt_view *ggtt_view,
struct drm_i915_gem_object *obj)
{
- struct intel_rotation_info *rot_info = &ggtt_view->rotation_info;
+ struct intel_rotation_info *rot_info = &ggtt_view->params.rotation_info;
unsigned int size_pages = rot_info->size >> PAGE_SHIFT;
unsigned int size_pages_uv;
struct sg_page_iter sg_iter;
@@ -3535,7 +3596,7 @@ i915_ggtt_view_size(struct drm_i915_gem_object *obj,
if (view->type == I915_GGTT_VIEW_NORMAL) {
return obj->base.size;
} else if (view->type == I915_GGTT_VIEW_ROTATED) {
- return view->rotation_info.size;
+ return view->params.rotation_info.size;
} else if (view->type == I915_GGTT_VIEW_PARTIAL) {
return view->params.partial.size << PAGE_SHIFT;
} else {
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.