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path: root/drivers/gpu/drm/i915/gt/intel_ggtt.c
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Diffstat (limited to 'drivers/gpu/drm/i915/gt/intel_ggtt.c')
-rw-r--r--drivers/gpu/drm/i915/gt/intel_ggtt.c43
1 files changed, 28 insertions, 15 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_ggtt.c b/drivers/gpu/drm/i915/gt/intel_ggtt.c
index 21a7e3191c18..f6c59f20832f 100644
--- a/drivers/gpu/drm/i915/gt/intel_ggtt.c
+++ b/drivers/gpu/drm/i915/gt/intel_ggtt.c
@@ -9,10 +9,9 @@
#include <linux/stop_machine.h>
#include <drm/drm_managed.h>
-#include <drm/i915_drm.h>
-#include <drm/intel-gtt.h>
+#include <drm/intel/i915_drm.h>
+#include <drm/intel/intel-gtt.h>
-#include "display/intel_display.h"
#include "gem/i915_gem_lmem.h"
#include "intel_context.h"
@@ -24,6 +23,7 @@
#include "intel_ring.h"
#include "i915_drv.h"
#include "i915_pci.h"
+#include "i915_reg.h"
#include "i915_request.h"
#include "i915_scatterlist.h"
#include "i915_utils.h"
@@ -107,11 +107,12 @@ int i915_ggtt_init_hw(struct drm_i915_private *i915)
/**
* i915_ggtt_suspend_vm - Suspend the memory mappings for a GGTT or DPT VM
* @vm: The VM to suspend the mappings for
+ * @evict_all: Evict all VMAs
*
* Suspend the memory mappings for all objects mapped to HW via the GGTT or a
* DPT page table.
*/
-void i915_ggtt_suspend_vm(struct i915_address_space *vm)
+void i915_ggtt_suspend_vm(struct i915_address_space *vm, bool evict_all)
{
struct i915_vma *vma, *vn;
int save_skip_rewrite;
@@ -157,7 +158,7 @@ retry:
goto retry;
}
- if (!i915_vma_is_bound(vma, I915_VMA_GLOBAL_BIND)) {
+ if (evict_all || !i915_vma_is_bound(vma, I915_VMA_GLOBAL_BIND)) {
i915_vma_wait_for_bind(vma);
__i915_vma_evict(vma, false);
@@ -172,13 +173,15 @@ retry:
vm->skip_pte_rewrite = save_skip_rewrite;
mutex_unlock(&vm->mutex);
+
+ drm_WARN_ON(&vm->i915->drm, evict_all && !list_empty(&vm->bound_list));
}
void i915_ggtt_suspend(struct i915_ggtt *ggtt)
{
struct intel_gt *gt;
- i915_ggtt_suspend_vm(&ggtt->vm);
+ i915_ggtt_suspend_vm(&ggtt->vm, false);
ggtt->invalidate(ggtt);
list_for_each_entry(gt, &ggtt->gt_list, ggtt_link)
@@ -230,11 +233,8 @@ static void guc_ggtt_ct_invalidate(struct intel_gt *gt)
struct intel_uncore *uncore = gt->uncore;
intel_wakeref_t wakeref;
- with_intel_runtime_pm_if_active(uncore->rpm, wakeref) {
- struct intel_guc *guc = &gt->uc.guc;
-
- intel_guc_invalidate_tlb_guc(guc);
- }
+ with_intel_runtime_pm_if_active(uncore->rpm, wakeref)
+ intel_guc_invalidate_tlb_guc(gt_to_guc(gt));
}
static void guc_ggtt_invalidate(struct i915_ggtt *ggtt)
@@ -245,7 +245,7 @@ static void guc_ggtt_invalidate(struct i915_ggtt *ggtt)
gen8_ggtt_invalidate(ggtt);
list_for_each_entry(gt, &ggtt->gt_list, ggtt_link) {
- if (intel_guc_tlb_invalidation_is_available(&gt->uc.guc))
+ if (intel_guc_tlb_invalidation_is_available(gt_to_guc(gt)))
guc_ggtt_ct_invalidate(gt);
else if (GRAPHICS_VER(i915) >= 12)
intel_uncore_write_fw(gt->uncore,
@@ -1152,13 +1152,20 @@ static unsigned int gen6_gttadr_offset(struct drm_i915_private *i915)
static int ggtt_probe_common(struct i915_ggtt *ggtt, u64 size)
{
struct drm_i915_private *i915 = ggtt->vm.i915;
+ struct intel_uncore *uncore = ggtt->vm.gt->uncore;
struct pci_dev *pdev = to_pci_dev(i915->drm.dev);
phys_addr_t phys_addr;
u32 pte_flags;
int ret;
GEM_WARN_ON(pci_resource_len(pdev, GEN4_GTTMMADR_BAR) != gen6_gttmmadr_size(i915));
- phys_addr = pci_resource_start(pdev, GEN4_GTTMMADR_BAR) + gen6_gttadr_offset(i915);
+
+ if (i915_direct_stolen_access(i915)) {
+ drm_dbg(&i915->drm, "Using direct GSM access\n");
+ phys_addr = intel_uncore_read64(uncore, GEN6_GSMBASE) & GEN11_BDSM_MASK;
+ } else {
+ phys_addr = pci_resource_start(pdev, GEN4_GTTMMADR_BAR) + gen6_gttadr_offset(i915);
+ }
if (needs_wc_ggtt_mapping(i915))
ggtt->gsm = ioremap_wc(phys_addr, size);
@@ -1541,6 +1548,7 @@ int i915_ggtt_enable_hw(struct drm_i915_private *i915)
/**
* i915_ggtt_resume_vm - Restore the memory mappings for a GGTT or DPT VM
* @vm: The VM to restore the mappings for
+ * @all_evicted: Were all VMAs expected to be evicted on suspend?
*
* Restore the memory mappings for all objects mapped to HW via the GGTT or a
* DPT page table.
@@ -1548,13 +1556,18 @@ int i915_ggtt_enable_hw(struct drm_i915_private *i915)
* Returns %true if restoring the mapping for any object that was in a write
* domain before suspend.
*/
-bool i915_ggtt_resume_vm(struct i915_address_space *vm)
+bool i915_ggtt_resume_vm(struct i915_address_space *vm, bool all_evicted)
{
struct i915_vma *vma;
bool write_domain_objs = false;
drm_WARN_ON(&vm->i915->drm, !vm->is_ggtt && !vm->is_dpt);
+ if (all_evicted) {
+ drm_WARN_ON(&vm->i915->drm, !list_empty(&vm->bound_list));
+ return false;
+ }
+
/* First fill our portion of the GTT with scratch pages */
vm->clear_range(vm, 0, vm->total);
@@ -1594,7 +1607,7 @@ void i915_ggtt_resume(struct i915_ggtt *ggtt)
list_for_each_entry(gt, &ggtt->gt_list, ggtt_link)
intel_gt_check_and_clear_faults(gt);
- flush = i915_ggtt_resume_vm(&ggtt->vm);
+ flush = i915_ggtt_resume_vm(&ggtt->vm, false);
if (drm_mm_node_allocated(&ggtt->error_capture))
ggtt->vm.scratch_range(&ggtt->vm, ggtt->error_capture.start,