forked from ~ljy/RK356X_SDK_RELEASE

hc
2024-05-13 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e
kernel/drivers/gpu/drm/i915/intel_gvt.c
....@@ -22,7 +22,9 @@
2222 */
2323
2424 #include "i915_drv.h"
25
+#include "i915_vgpu.h"
2526 #include "intel_gvt.h"
27
+#include "gvt/gvt.h"
2628
2729 /**
2830 * DOC: Intel GVT-g host support
....@@ -49,6 +51,11 @@
4951 return true;
5052 if (IS_BROXTON(dev_priv))
5153 return true;
54
+ if (IS_COFFEELAKE(dev_priv))
55
+ return true;
56
+ if (IS_COMETLAKE(dev_priv))
57
+ return true;
58
+
5259 return false;
5360 }
5461
....@@ -60,22 +67,23 @@
6067 */
6168 void intel_gvt_sanitize_options(struct drm_i915_private *dev_priv)
6269 {
63
- if (!i915_modparams.enable_gvt)
70
+ if (!dev_priv->params.enable_gvt)
6471 return;
6572
6673 if (intel_vgpu_active(dev_priv)) {
67
- DRM_INFO("GVT-g is disabled for guest\n");
74
+ drm_info(&dev_priv->drm, "GVT-g is disabled for guest\n");
6875 goto bail;
6976 }
7077
7178 if (!is_supported_device(dev_priv)) {
72
- DRM_INFO("Unsupported device. GVT-g is disabled\n");
79
+ drm_info(&dev_priv->drm,
80
+ "Unsupported device. GVT-g is disabled\n");
7381 goto bail;
7482 }
7583
7684 return;
7785 bail:
78
- i915_modparams.enable_gvt = 0;
86
+ dev_priv->params.enable_gvt = 0;
7987 }
8088
8189 /**
....@@ -92,52 +100,65 @@
92100 {
93101 int ret;
94102
95
- if (i915_inject_load_failure())
103
+ if (i915_inject_probe_failure(dev_priv))
96104 return -ENODEV;
97105
98
- if (!i915_modparams.enable_gvt) {
99
- DRM_DEBUG_DRIVER("GVT-g is disabled by kernel params\n");
106
+ if (!dev_priv->params.enable_gvt) {
107
+ drm_dbg(&dev_priv->drm,
108
+ "GVT-g is disabled by kernel params\n");
100109 return 0;
101110 }
102111
103
- if (USES_GUC_SUBMISSION(dev_priv)) {
104
- DRM_ERROR("i915 GVT-g loading failed due to Graphics virtualization is not yet supported with GuC submission\n");
112
+ if (intel_uc_wants_guc_submission(&dev_priv->gt.uc)) {
113
+ drm_err(&dev_priv->drm,
114
+ "i915 GVT-g loading failed due to Graphics virtualization is not yet supported with GuC submission\n");
105115 return -EIO;
106
- }
107
-
108
- /*
109
- * We're not in host or fail to find a MPT module, disable GVT-g
110
- */
111
- ret = intel_gvt_init_host();
112
- if (ret) {
113
- DRM_DEBUG_DRIVER("Not in host or MPT modules not found\n");
114
- goto bail;
115116 }
116117
117118 ret = intel_gvt_init_device(dev_priv);
118119 if (ret) {
119
- DRM_DEBUG_DRIVER("Fail to init GVT device\n");
120
+ drm_dbg(&dev_priv->drm, "Fail to init GVT device\n");
120121 goto bail;
121122 }
122123
123124 return 0;
124125
125126 bail:
126
- i915_modparams.enable_gvt = 0;
127
+ dev_priv->params.enable_gvt = 0;
127128 return 0;
128129 }
129130
131
+static inline bool intel_gvt_active(struct drm_i915_private *dev_priv)
132
+{
133
+ return dev_priv->gvt;
134
+}
135
+
130136 /**
131
- * intel_gvt_cleanup - cleanup GVT components when i915 driver is unloading
137
+ * intel_gvt_driver_remove - cleanup GVT components when i915 driver is
138
+ * unbinding
132139 * @dev_priv: drm i915 private *
133140 *
134141 * This function is called at the i915 driver unloading stage, to shutdown
135142 * GVT components and release the related resources.
136143 */
137
-void intel_gvt_cleanup(struct drm_i915_private *dev_priv)
144
+void intel_gvt_driver_remove(struct drm_i915_private *dev_priv)
138145 {
139146 if (!intel_gvt_active(dev_priv))
140147 return;
141148
142149 intel_gvt_clean_device(dev_priv);
143150 }
151
+
152
+/**
153
+ * intel_gvt_resume - GVT resume routine wapper
154
+ *
155
+ * @dev_priv: drm i915 private *
156
+ *
157
+ * This function is called at the i915 driver resume stage to restore required
158
+ * HW status for GVT so that vGPU can continue running after resumed.
159
+ */
160
+void intel_gvt_resume(struct drm_i915_private *dev_priv)
161
+{
162
+ if (intel_gvt_active(dev_priv))
163
+ intel_gvt_pm_resume(dev_priv->gvt);
164
+}