intel/display: add i915_gem_evict_for_node

When the aperture is close to full or such fragmented, this unimplemented
function may be invoked.

Fixes #5377

repos/dde_linux/patches/i915_ggtt.patch

@@ -0,0 +1,28 @@
+intel_fb: avoid pagefault, since gt not setup by our port
+
+--- src/linux/drivers/gpu/drm/i915/i915_gem_evict.c
++++ src/linux/drivers/gpu/drm/i915/i915_gem_evict.c
+@@ -187,8 +187,9 @@
+ 	if (i915_is_ggtt(vm)) {
+ 		struct i915_ggtt *ggtt = i915_vm_to_ggtt(vm);
+ 
+-		list_for_each_entry(gt, &ggtt->gt_list, ggtt_link)
+-			intel_gt_retire_requests(gt);
++		if (gt)
++			list_for_each_entry(gt, &ggtt->gt_list, ggtt_link)
++				intel_gt_retire_requests(gt);
+ 	} else {
+ 		intel_gt_retire_requests(vm->gt);
+ 	}
+@@ -353,8 +354,9 @@
+ 		struct i915_ggtt *ggtt = i915_vm_to_ggtt(vm);
+ 		struct intel_gt *gt;
+ 
+-		list_for_each_entry(gt, &ggtt->gt_list, ggtt_link)
+-			intel_gt_retire_requests(gt);
++		if (gt)
++			list_for_each_entry(gt, &ggtt->gt_list, ggtt_link)
++				intel_gt_retire_requests(gt);
+ 	} else {
+ 		intel_gt_retire_requests(vm->gt);
+ 	}

repos/dde_linux/ports/linux.hash

@@ -1 +1 @@
-501de7d0dc5363c9f271c2cd853b963b2a881438
+5e77186d61fe216b38cf516c5a40babcfdbd50ad

repos/dde_linux/ports/linux.port

@@ -10,6 +10,7 @@ DIR(linux) := src/linux
 # Patches
 #
 PATCH_FILES := i915_irq.patch \
+               i915_ggtt.patch \
                iwlwifi_break_busy_loop.patch \
                iwlwifi_enable_irq_before_pnvm.patch \
                iwlwifi_limit_rx_bufs.patch \

repos/pc/src/driver/framebuffer/intel/pc/dummies.c

@@ -720,3 +720,51 @@ int intel_pxp_key_check(struct intel_pxp *pxp, struct drm_i915_gem_object *obj,
 	lx_emul_trace(__func__);
 	return -ENODEV;
 }
+
+
+int intel_gt_wait_for_idle(struct intel_gt *gt, long timeout)
+{
+	printk("%s - timeout=%ld\n", __func__, timeout);
+	lx_emul_trace(__func__);
+	return 0;
+}
+
+
+long intel_gt_retire_requests_timeout(struct intel_gt * gt, long timeout, long * remaining_timeout)
+{
+	printk("%s - timeout=%ld\n", __func__, timeout);
+
+	if (remaining_timeout)
+		*remaining_timeout = 0;
+
+	return 0;
+}
+
+
+void * vmap(struct page ** pages, unsigned int count, unsigned long flags, pgprot_t prot)
+{
+	bool          contiguous = true;
+	void *        vmap_addr  = 0;
+	unsigned long prev_addr  = 0;
+
+	for (unsigned i = 0; i < count; i++) {
+		void * virt_addr = page_address(pages[i]);
+
+		if (!i)
+			vmap_addr = virt_addr;
+
+		if (i && contiguous)
+			contiguous = (void *)(prev_addr + 4096) == virt_addr;
+
+		prev_addr = (unsigned long)virt_addr;
+
+		if (!contiguous)
+			break;
+	}
+
+	if (!contiguous)
+		printk("%s -- failed, pages are non contiguous count=%u\n",
+		       __func__, count);
+
+	return contiguous ? vmap_addr : 0;
+}

repos/pc/src/driver/framebuffer/intel/pc/generated_dummies.c

@@ -712,20 +712,6 @@ struct intel_context * i915_gem_engines_iter_next(struct i915_gem_engines_iter *
 }
 
 
-extern int i915_gem_evict_for_node(struct i915_address_space * vm,struct i915_gem_ww_ctx * ww,struct drm_mm_node * target,unsigned int flags);
-int i915_gem_evict_for_node(struct i915_address_space * vm,struct i915_gem_ww_ctx * ww,struct drm_mm_node * target,unsigned int flags)
-{
-	lx_emul_trace_and_stop(__func__);
-}
-
-
-extern int i915_gem_evict_something(struct i915_address_space * vm,struct i915_gem_ww_ctx * ww,u64 min_size,u64 alignment,unsigned long color,u64 start,u64 end,unsigned flags);
-int i915_gem_evict_something(struct i915_address_space * vm,struct i915_gem_ww_ctx * ww,u64 min_size,u64 alignment,unsigned long color,u64 start,u64 end,unsigned flags)
-{
-	lx_emul_trace_and_stop(__func__);
-}
-
-
 extern int i915_gem_execbuffer2_ioctl(struct drm_device * dev,void * data,struct drm_file * file);
 int i915_gem_execbuffer2_ioctl(struct drm_device * dev,void * data,struct drm_file * file)
 {
@@ -1227,13 +1213,6 @@ void intel_gt_mcr_unlock(struct intel_gt * gt,unsigned long flags)
 }
 
 
-extern long intel_gt_retire_requests_timeout(struct intel_gt * gt,long timeout,long * remaining_timeout);
-long intel_gt_retire_requests_timeout(struct intel_gt * gt,long timeout,long * remaining_timeout)
-{
-	lx_emul_trace_and_stop(__func__);
-}
-
-
 extern int intel_gt_runtime_resume(struct intel_gt * gt);
 int intel_gt_runtime_resume(struct intel_gt * gt)
 {
@@ -2086,14 +2065,6 @@ void update_group_capacity(struct sched_domain * sd,int cpu)
 }
 
 
-#include <linux/vmalloc.h>
-
-void * vmap(struct page ** pages,unsigned int count,unsigned long flags,pgprot_t prot)
-{
-	lx_emul_trace_and_stop(__func__);
-}
-
-
 #include <linux/vmalloc.h>
 
 void * vmap_pfn(unsigned long * pfns,unsigned int count,pgprot_t prot)

repos/pc/src/driver/framebuffer/intel/pc/spec/x86_32/source.list

@@ -191,6 +191,7 @@ drivers/gpu/drm/i915/i915_active.c
 drivers/gpu/drm/i915/i915_config.c
 drivers/gpu/drm/i915/i915_driver.c
 drivers/gpu/drm/i915/i915_drm_client.c
+drivers/gpu/drm/i915/i915_gem_evict.c
 drivers/gpu/drm/i915/i915_gem_gtt.c
 drivers/gpu/drm/i915/i915_gem_ww.c
 drivers/gpu/drm/i915/i915_getparam.c

repos/pc/src/driver/framebuffer/intel/pc/spec/x86_64/source.list

@@ -194,6 +194,7 @@ drivers/gpu/drm/i915/i915_active.c
 drivers/gpu/drm/i915/i915_config.c
 drivers/gpu/drm/i915/i915_driver.c
 drivers/gpu/drm/i915/i915_drm_client.c
+drivers/gpu/drm/i915/i915_gem_evict.c
 drivers/gpu/drm/i915/i915_gem_gtt.c
 drivers/gpu/drm/i915/i915_gem_ww.c
 drivers/gpu/drm/i915/i915_getparam.c