add stmac read mac form eeprom

hc

2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/drivers/gpu/drm/vc4/vc4_irq.c
..
..
@@ -59,15 +59,22 @@
59
59
 {
60
60
 	struct vc4_dev *vc4 =
61
61
 		container_of(work, struct vc4_dev, overflow_mem_work);
62
-	struct vc4_bo *bo = vc4->bin_bo;
62
+	struct vc4_bo *bo;
63
63
 	int bin_bo_slot;
64
64
 	struct vc4_exec_info *exec;
65
65
 	unsigned long irqflags;
66
66
 
67
+	mutex_lock(&vc4->bin_bo_lock);
68
+
69
+	if (!vc4->bin_bo)
70
+		goto complete;
71
+
72
+	bo = vc4->bin_bo;
73
+
67
74
 	bin_bo_slot = vc4_v3d_get_bin_slot(vc4);
68
75
 	if (bin_bo_slot < 0) {
69
76
 		DRM_ERROR("Couldn't allocate binner overflow mem\n");
70
-		return;
77
+		goto complete;
71
78
 	}
72
79
 
73
80
 	spin_lock_irqsave(&vc4->job_lock, irqflags);
..
..
@@ -98,6 +105,9 @@
98
105
 	V3D_WRITE(V3D_INTCTL, V3D_INT_OUTOMEM);
99
106
 	V3D_WRITE(V3D_INTENA, V3D_INT_OUTOMEM);
100
107
 	spin_unlock_irqrestore(&vc4->job_lock, irqflags);
108
+
109
+complete:
110
+	mutex_unlock(&vc4->bin_bo_lock);
101
111
 }
102
112
 
103
113
 static void
..
..
@@ -229,6 +239,9 @@
229
239
 {
230
240
 	struct vc4_dev *vc4 = to_vc4_dev(dev);
231
241
 
242
+	if (!vc4->v3d)
243
+		return;
244
+
232
245
 	init_waitqueue_head(&vc4->job_wait_queue);
233
246
 	INIT_WORK(&vc4->overflow_mem_work, vc4_overflow_mem_work);
234
247
 
..
..
@@ -243,8 +256,13 @@
243
256
 {
244
257
 	struct vc4_dev *vc4 = to_vc4_dev(dev);
245
258
 
246
-	/* Enable both the render done and out of memory interrupts. */
247
-	V3D_WRITE(V3D_INTENA, V3D_DRIVER_IRQS);
259
+	if (!vc4->v3d)
260
+		return 0;
261
+
262
+	/* Enable the render done interrupts. The out-of-memory interrupt is
263
+	 * enabled as soon as we have a binner BO allocated.
264
+	 */
265
+	V3D_WRITE(V3D_INTENA, V3D_INT_FLDONE | V3D_INT_FRDONE);
248
266
 
249
267
 	return 0;
250
268
 }
..
..
@@ -254,6 +272,9 @@
254
272
 {
255
273
 	struct vc4_dev *vc4 = to_vc4_dev(dev);
256
274
 
275
+	if (!vc4->v3d)
276
+		return;
277
+
257
278
 	/* Disable sending interrupts for our driver's IRQs. */
258
279
 	V3D_WRITE(V3D_INTDIS, V3D_DRIVER_IRQS);
259
280