drm/vc4: tests: Add BCM2712 mock driver

The BCM2712 has a simpler pipeline that can only output to a writeback
connector and two HDMI controllers.

Let's allow our kunit tests to create a mock of that pipeline.

Signed-off-by: Maxime Ripard <maxime@cerno.tech>

Author: mripard

drivers/gpu/drm/vc4/tests/vc4_mock.c

@@ -106,6 +106,26 @@ static const struct vc4_mock_desc vc5_mock =
 							      DRM_MODE_CONNECTOR_HDMIA)),
 );
 
+static const struct vc4_mock_desc vc6_mock =
+	VC4_MOCK_DESC(
+		VC4_MOCK_CRTC_DESC(&bcm2712_mop_data.base,
+				   VC4_MOCK_OUTPUT_DESC(VC4_ENCODER_TYPE_TXP0,
+							DRM_MODE_ENCODER_VIRTUAL,
+							DRM_MODE_CONNECTOR_WRITEBACK)),
+		VC4_MOCK_CRTC_DESC(&bcm2712_moplet_data.base,
+				   VC4_MOCK_OUTPUT_DESC(VC4_ENCODER_TYPE_TXP1,
+							DRM_MODE_ENCODER_VIRTUAL,
+							DRM_MODE_CONNECTOR_WRITEBACK)),
+		VC4_MOCK_PIXELVALVE_DESC(&bcm2712_pv0_data,
+					 VC4_MOCK_OUTPUT_DESC(VC4_ENCODER_TYPE_HDMI0,
+							      DRM_MODE_ENCODER_TMDS,
+							      DRM_MODE_CONNECTOR_HDMIA)),
+		VC4_MOCK_PIXELVALVE_DESC(&bcm2712_pv1_data,
+					 VC4_MOCK_OUTPUT_DESC(VC4_ENCODER_TYPE_HDMI1,
+							      DRM_MODE_ENCODER_TMDS,
+							      DRM_MODE_CONNECTOR_HDMIA)),
+);
+
 static int __build_one_pipe(struct kunit *test, struct drm_device *drm,
 			    const struct vc4_mock_pipe_desc *pipe)
 {
@@ -173,6 +193,10 @@ static struct vc4_dev *__mock_device(struct kunit *test, enum vc4_gen gen)
 		drv = &vc5_drm_driver;
 		desc = &vc5_mock;
 		break;
+	case VC4_GEN_6_C:
+		drv = &vc5_drm_driver;
+		desc = &vc6_mock;
+		break;
 
 	default:
 		return NULL;
@@ -219,3 +243,8 @@ struct vc4_dev *vc5_mock_device(struct kunit *test)
 {
 	return __mock_device(test, VC4_GEN_5);
 }
+
+struct vc4_dev *vc6_mock_device(struct kunit *test)
+{
+	return __mock_device(test, VC4_GEN_6_C);
+}

drivers/gpu/drm/vc4/tests/vc4_mock.h

@@ -50,6 +50,7 @@ struct vc4_dummy_output *vc4_dummy_output(struct kunit *test,
 
 struct vc4_dev *vc4_mock_device(struct kunit *test);
 struct vc4_dev *vc5_mock_device(struct kunit *test);
+struct vc4_dev *vc6_mock_device(struct kunit *test);
 
 struct vc4_dummy_output *
 vc4_mock_atomic_add_output(struct kunit *test,

drivers/gpu/drm/vc4/vc4_drv.h

@@ -562,6 +562,8 @@ struct vc4_txp_data {
 	unsigned int supports_40bit_addresses:1;
 };
 
+extern const struct vc4_txp_data bcm2712_mop_data;
+extern const struct vc4_txp_data bcm2712_moplet_data;
 extern const struct vc4_txp_data bcm2835_txp_data;
 
 struct vc4_pv_data {

drivers/gpu/drm/vc4/vc4_txp.c

@@ -519,7 +519,7 @@ static irqreturn_t vc4_txp_interrupt(int irq, void *data)
 	return IRQ_HANDLED;
 }
 
-static const struct vc4_txp_data bcm2712_mop_data = {
+const struct vc4_txp_data bcm2712_mop_data = {
 	.base = {
 		.name = "mop",
 		.debugfs_name = "mop_regs",
@@ -533,7 +533,7 @@ static const struct vc4_txp_data bcm2712_mop_data = {
 	.supports_40bit_addresses = true,
 };
 
-static const struct vc4_txp_data bcm2712_moplet_data = {
+const struct vc4_txp_data bcm2712_moplet_data = {
 	.base = {
 		.name = "moplet",
 		.debugfs_name = "moplet_regs",