]> git.proxmox.com Git - mirror_ubuntu-bionic-kernel.git/blobdiff - drivers/gpu/drm/i915/gvt/vgpu.c
drm/i915/gvt: add resolution definition for vGPU type
[mirror_ubuntu-bionic-kernel.git] / drivers / gpu / drm / i915 / gvt / vgpu.c
index 7295bc8e12fb240eeaf6f9434d2bba713453ad3c..41cfa5ccae84ce4020c6b2ff4a051ce8e17f6298 100644 (file)
@@ -64,6 +64,20 @@ void populate_pvinfo_page(struct intel_vgpu *vgpu)
        WARN_ON(sizeof(struct vgt_if) != VGT_PVINFO_SIZE);
 }
 
+static struct {
+       unsigned int low_mm;
+       unsigned int high_mm;
+       unsigned int fence;
+       enum intel_vgpu_edid edid;
+       char *name;
+} vgpu_types[] = {
+/* Fixed vGPU type table */
+       { MB_TO_BYTES(64), MB_TO_BYTES(512), 4, GVT_EDID_1024_768, "8" },
+       { MB_TO_BYTES(128), MB_TO_BYTES(512), 4, GVT_EDID_1920_1200, "4" },
+       { MB_TO_BYTES(256), MB_TO_BYTES(1024), 4, GVT_EDID_1920_1200, "2" },
+       { MB_TO_BYTES(512), MB_TO_BYTES(2048), 4, GVT_EDID_1920_1200, "1" },
+};
+
 /**
  * intel_gvt_init_vgpu_types - initialize vGPU type list
  * @gvt : GVT device
@@ -74,13 +88,12 @@ void populate_pvinfo_page(struct intel_vgpu *vgpu)
 int intel_gvt_init_vgpu_types(struct intel_gvt *gvt)
 {
        unsigned int num_types;
-       unsigned int i, low_avail;
+       unsigned int i, low_avail, high_avail;
        unsigned int min_low;
 
        /* vGPU type name is defined as GVTg_Vx_y which contains
-        * physical GPU generation type and 'y' means maximum vGPU
-        * instances user can create on one physical GPU for this
-        * type.
+        * physical GPU generation type (e.g V4 as BDW server, V5 as
+        * SKL server).
         *
         * Depend on physical SKU resource, might see vGPU types like
         * GVTg_V4_8, GVTg_V4_4, GVTg_V4_2, etc. We can create
@@ -89,10 +102,10 @@ int intel_gvt_init_vgpu_types(struct intel_gvt *gvt)
         * to indicate how many vGPU instance can be created for this
         * type.
         *
-        * Currently use static size here as we init type earlier..
         */
-       low_avail = MB_TO_BYTES(256) - HOST_LOW_GM_SIZE;
-       num_types = 4;
+       low_avail = gvt_aperture_sz(gvt) - HOST_LOW_GM_SIZE;
+       high_avail = gvt_hidden_sz(gvt) - HOST_HIGH_GM_SIZE;
+       num_types = sizeof(vgpu_types) / sizeof(vgpu_types[0]);
 
        gvt->types = kzalloc(num_types * sizeof(struct intel_vgpu_type),
                             GFP_KERNEL);
@@ -101,27 +114,29 @@ int intel_gvt_init_vgpu_types(struct intel_gvt *gvt)
 
        min_low = MB_TO_BYTES(32);
        for (i = 0; i < num_types; ++i) {
-               if (low_avail / min_low == 0)
+               if (low_avail / vgpu_types[i].low_mm == 0)
                        break;
-               gvt->types[i].low_gm_size = min_low;
-               gvt->types[i].high_gm_size = max((min_low<<3), MB_TO_BYTES(384U));
-               gvt->types[i].fence = 4;
-               gvt->types[i].max_instance = low_avail / min_low;
-               gvt->types[i].avail_instance = gvt->types[i].max_instance;
+
+               gvt->types[i].low_gm_size = vgpu_types[i].low_mm;
+               gvt->types[i].high_gm_size = vgpu_types[i].high_mm;
+               gvt->types[i].fence = vgpu_types[i].fence;
+               gvt->types[i].resolution = vgpu_types[i].edid;
+               gvt->types[i].avail_instance = min(low_avail / vgpu_types[i].low_mm,
+                                                  high_avail / vgpu_types[i].high_mm);
 
                if (IS_GEN8(gvt->dev_priv))
-                       sprintf(gvt->types[i].name, "GVTg_V4_%u",
-                                               gvt->types[i].max_instance);
+                       sprintf(gvt->types[i].name, "GVTg_V4_%s",
+                                               vgpu_types[i].name);
                else if (IS_GEN9(gvt->dev_priv))
-                       sprintf(gvt->types[i].name, "GVTg_V5_%u",
-                                               gvt->types[i].max_instance);
+                       sprintf(gvt->types[i].name, "GVTg_V5_%s",
+                                               vgpu_types[i].name);
 
-               min_low <<= 1;
-               gvt_dbg_core("type[%d]: %s max %u avail %u low %u high %u fence %u\n",
-                            i, gvt->types[i].name, gvt->types[i].max_instance,
+               gvt_dbg_core("type[%d]: %s avail %u low %u high %u fence %u res %s\n",
+                            i, gvt->types[i].name,
                             gvt->types[i].avail_instance,
                             gvt->types[i].low_gm_size,
-                            gvt->types[i].high_gm_size, gvt->types[i].fence);
+                            gvt->types[i].high_gm_size, gvt->types[i].fence,
+                            vgpu_edid_str(gvt->types[i].resolution));
        }
 
        gvt->num_types = i;
@@ -137,14 +152,14 @@ static void intel_gvt_update_vgpu_types(struct intel_gvt *gvt)
 {
        int i;
        unsigned int low_gm_avail, high_gm_avail, fence_avail;
-       unsigned int low_gm_min, high_gm_min, fence_min, total_min;
+       unsigned int low_gm_min, high_gm_min, fence_min;
 
        /* Need to depend on maxium hw resource size but keep on
         * static config for now.
         */
-       low_gm_avail = MB_TO_BYTES(256) - HOST_LOW_GM_SIZE -
+       low_gm_avail = gvt_aperture_sz(gvt) - HOST_LOW_GM_SIZE -
                gvt->gm.vgpu_allocated_low_gm_size;
-       high_gm_avail = MB_TO_BYTES(256) * 8UL - HOST_HIGH_GM_SIZE -
+       high_gm_avail = gvt_hidden_sz(gvt) - HOST_HIGH_GM_SIZE -
                gvt->gm.vgpu_allocated_high_gm_size;
        fence_avail = gvt_fence_sz(gvt) - HOST_FENCE -
                gvt->fence.vgpu_allocated_fence_num;
@@ -153,12 +168,11 @@ static void intel_gvt_update_vgpu_types(struct intel_gvt *gvt)
                low_gm_min = low_gm_avail / gvt->types[i].low_gm_size;
                high_gm_min = high_gm_avail / gvt->types[i].high_gm_size;
                fence_min = fence_avail / gvt->types[i].fence;
-               total_min = min(min(low_gm_min, high_gm_min), fence_min);
-               gvt->types[i].avail_instance = min(gvt->types[i].max_instance,
-                                                  total_min);
+               gvt->types[i].avail_instance = min(min(low_gm_min, high_gm_min),
+                                                  fence_min);
 
-               gvt_dbg_core("update type[%d]: %s max %u avail %u low %u high %u fence %u\n",
-                      i, gvt->types[i].name, gvt->types[i].max_instance,
+               gvt_dbg_core("update type[%d]: %s avail %u low %u high %u fence %u\n",
+                      i, gvt->types[i].name,
                       gvt->types[i].avail_instance, gvt->types[i].low_gm_size,
                       gvt->types[i].high_gm_size, gvt->types[i].fence);
        }
@@ -247,7 +261,7 @@ static struct intel_vgpu *__intel_gvt_create_vgpu(struct intel_gvt *gvt,
        if (ret)
                goto out_detach_hypervisor_vgpu;
 
-       ret = intel_vgpu_init_display(vgpu);
+       ret = intel_vgpu_init_display(vgpu, param->resolution);
        if (ret)
                goto out_clean_gtt;
 
@@ -311,6 +325,7 @@ struct intel_vgpu *intel_gvt_create_vgpu(struct intel_gvt *gvt,
        param.low_gm_sz = type->low_gm_size;
        param.high_gm_sz = type->high_gm_size;
        param.fence_sz = type->fence;
+       param.resolution = type->resolution;
 
        /* XXX current param based on MB */
        param.low_gm_sz = BYTES_TO_MB(param.low_gm_sz);
@@ -384,9 +399,14 @@ void intel_gvt_reset_vgpu_locked(struct intel_vgpu *vgpu, bool dmlr,
                intel_vgpu_reset_resource(vgpu);
                intel_vgpu_reset_mmio(vgpu);
                populate_pvinfo_page(vgpu);
+               intel_vgpu_reset_display(vgpu);
 
-               if (dmlr)
+               if (dmlr) {
                        intel_vgpu_reset_cfg_space(vgpu);
+                       /* only reset the failsafe mode when dmlr reset */
+                       vgpu->failsafe = false;
+                       vgpu->pv_notified = false;
+               }
        }
 
        vgpu->resetting = false;