Merge tag 'drm-intel-next-2017-11-17-1' of git://anongit.freedesktop.org/drm/drm-intel into drm-next

More change sets for 4.16:

- Many improvements for selftests and other igt tests (Chris)
- Forcewake with PUNIT->PMIC bus fixes and robustness (Hans)
- Define an engine class for uABI (Tvrtko)
- Context switch fixes and improvements (Chris)
- GT powersavings and power gating simplification and fixes (Chris)
- Other general driver clean-ups (Chris, Lucas, Ville)
- Removing old, useless and/or bad workarounds (Chris, Oscar, Radhakrishna)
- IPS, pipe config, etc in preparation for another Fast Boot attempt (Maarten)
- OA perf fixes and support to Coffee Lake and Cannonlake (Lionel)
- Fixes around GPU fault registers (Michel)
- GEM Proxy (Tina)
- Refactor of Geminilake and Cannonlake plane color handling (James)
- Generalize transcoder loop (Mika Kahola)
- New HW Workaround for Cannonlake and Geminilake (Rodrigo)
- Resume GuC before using GEM (Chris)
- Stolen Memory handling improvements (Ville)
- Initialize entry in PPAT for older compilers (Chris)
- Other fixes and robustness improvements on execbuf (Chris)
- Improve logs of GEM_BUG_ON (Mika Kuoppala)
- Rework with massive rename of GuC functions and files (Sagar)
- Don't sanitize frame start delay if pipe is off (Ville)
- Cannonlake clock fixes (Rodrigo)
- Cannonlake HDMI 2.0 support (Rodrigo)
- Add a GuC doorbells selftest (Michel)
- Add might_sleep() check to our wait_for() (Chris)

Many GVT changes for 4.16:

- CSB HWSP update support (Weinan)
- GVT debug helpers, dyndbg and debugfs (Chuanxiao, Shuo)
- full virtualized opregion (Xiaolin)
- VM health check for sane fallback (Fred)
- workload submission code refactor for future enabling (Zhi)
- Updated repo URL in MAINTAINERS (Zhenyu)
- other many misc fixes

* tag 'drm-intel-next-2017-11-17-1' of git://anongit.freedesktop.org/drm/drm-intel: (260 commits)
  drm/i915: Update DRIVER_DATE to 20171117
  drm/i915: Add a policy note for removing workarounds
  drm/i915/selftests: Report ENOMEM clearly for an allocation failure
  Revert "drm/i915: Display WA #1133 WaFbcSkipSegments:cnl, glk"
  drm/i915: Calculate g4x intermediate watermarks correctly
  drm/i915: Calculate vlv/chv intermediate watermarks correctly, v3.
  drm/i915: Pass crtc_state to ips toggle functions, v2
  drm/i915: Pass idle crtc_state to intel_dp_sink_crc
  drm/i915: Enable FIFO underrun reporting after initial fastset, v4.
  drm/i915: Mark the userptr invalidate workqueue as WQ_MEM_RECLAIM
  drm/i915: Add might_sleep() check to wait_for()
  drm/i915/selftests: Add a GuC doorbells selftest
  drm/i915/cnl: Extend HDMI 2.0 support to CNL.
  drm/i915/cnl: Simplify dco_fraction calculation.
  drm/i915/cnl: Don't blindly replace qdiv.
  drm/i915/cnl: Fix wrpll math for higher freqs.
  drm/i915/cnl: Fix, simplify and unify wrpll variable sizes.
  drm/i915/cnl: Remove useless conversion.
  drm/i915/cnl: Remove spurious central_freq.
  drm/i915/selftests: exercise_ggtt may have nothing to do
  ...

1 files changed, 19 insertions, 23 deletions

diff --git a/drivers/gpu/drm/i915/gvt/gtt.h b/drivers/gpu/drm/i915/gvt/gtt.h
index 30a4c8d16026..f98c1c19b4cb 100644
--- a/drivers/gpu/drm/i915/gvt/gtt.h
+++ b/drivers/gpu/drm/i915/gvt/gtt.h
@@ -34,9 +34,8 @@
 #ifndef _GVT_GTT_H_
 #define _GVT_GTT_H_
 
-#define GTT_PAGE_SHIFT		12
-#define GTT_PAGE_SIZE		(1UL << GTT_PAGE_SHIFT)
-#define GTT_PAGE_MASK		(~(GTT_PAGE_SIZE-1))
+#define I915_GTT_PAGE_SHIFT         12
+#define I915_GTT_PAGE_MASK		(~(I915_GTT_PAGE_SIZE - 1))
 
 struct intel_vgpu_mm;
 
@@ -63,6 +62,7 @@ struct intel_gvt_gtt_pte_ops {
 			 struct intel_vgpu *vgpu);
 	bool (*test_present)(struct intel_gvt_gtt_entry *e);
 	void (*clear_present)(struct intel_gvt_gtt_entry *e);
+	void (*set_present)(struct intel_gvt_gtt_entry *e);
 	bool (*test_pse)(struct intel_gvt_gtt_entry *e);
 	void (*set_pfn)(struct intel_gvt_gtt_entry *e, unsigned long pfn);
 	unsigned long (*get_pfn)(struct intel_gvt_gtt_entry *e);
@@ -86,8 +86,8 @@ struct intel_gvt_gtt {
 	struct list_head oos_page_free_list_head;
 	struct list_head mm_lru_list_head;
 
-	struct page *scratch_ggtt_page;
-	unsigned long scratch_ggtt_mfn;
+	struct page *scratch_page;
+	unsigned long scratch_mfn;
 };
 
 enum {
@@ -193,18 +193,16 @@ struct intel_vgpu_scratch_pt {
 	unsigned long page_mfn;
 };
 
-
 struct intel_vgpu_gtt {
 	struct intel_vgpu_mm *ggtt_mm;
 	unsigned long active_ppgtt_mm_bitmap;
 	struct list_head mm_list_head;
 	DECLARE_HASHTABLE(shadow_page_hash_table, INTEL_GVT_GTT_HASH_BITS);
-	DECLARE_HASHTABLE(guest_page_hash_table, INTEL_GVT_GTT_HASH_BITS);
-	atomic_t n_write_protected_guest_page;
+	DECLARE_HASHTABLE(tracked_guest_page_hash_table, INTEL_GVT_GTT_HASH_BITS);
+	atomic_t n_tracked_guest_page;
 	struct list_head oos_page_list_head;
 	struct list_head post_shadow_list_head;
 	struct intel_vgpu_scratch_pt scratch_pt[GTT_TYPE_MAX];
-
 };
 
 extern int intel_vgpu_init_gtt(struct intel_vgpu *vgpu);
@@ -228,12 +226,16 @@ struct intel_vgpu_shadow_page {
 	unsigned long mfn;
 };
 
-struct intel_vgpu_guest_page {
+struct intel_vgpu_page_track {
 	struct hlist_node node;
-	bool writeprotection;
+	bool tracked;
 	unsigned long gfn;
 	int (*handler)(void *, u64, void *, int);
 	void *data;
+};
+
+struct intel_vgpu_guest_page {
+	struct intel_vgpu_page_track track;
 	unsigned long write_cnt;
 	struct intel_vgpu_oos_page *oos_page;
 };
@@ -243,7 +245,7 @@ struct intel_vgpu_oos_page {
 	struct list_head list;
 	struct list_head vm_list;
 	int id;
-	unsigned char mem[GTT_PAGE_SIZE];
+	unsigned char mem[I915_GTT_PAGE_SIZE];
 };
 
 #define GTT_ENTRY_NUM_IN_ONE_PAGE 512
@@ -258,22 +260,16 @@ struct intel_vgpu_ppgtt_spt {
 	struct list_head post_shadow_list;
 };
 
-int intel_vgpu_init_guest_page(struct intel_vgpu *vgpu,
-		struct intel_vgpu_guest_page *guest_page,
+int intel_vgpu_init_page_track(struct intel_vgpu *vgpu,
+		struct intel_vgpu_page_track *t,
 		unsigned long gfn,
 		int (*handler)(void *gp, u64, void *, int),
 		void *data);
 
-void intel_vgpu_clean_guest_page(struct intel_vgpu *vgpu,
-		struct intel_vgpu_guest_page *guest_page);
-
-int intel_vgpu_set_guest_page_writeprotection(struct intel_vgpu *vgpu,
-		struct intel_vgpu_guest_page *guest_page);
-
-void intel_vgpu_clear_guest_page_writeprotection(struct intel_vgpu *vgpu,
-		struct intel_vgpu_guest_page *guest_page);
+void intel_vgpu_clean_page_track(struct intel_vgpu *vgpu,
+		struct intel_vgpu_page_track *t);
 
-struct intel_vgpu_guest_page *intel_vgpu_find_guest_page(
+struct intel_vgpu_page_track *intel_vgpu_find_tracked_page(
 		struct intel_vgpu *vgpu, unsigned long gfn);
 
 int intel_vgpu_sync_oos_pages(struct intel_vgpu *vgpu);