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Subject: [PATCH 07/11] drm/komeda: Add komeda_crtc_vblank_enable/disable
Thread-Topic: [PATCH 07/11] drm/komeda: Add komeda_crtc_vblank_enable/disable
Thread-Index: AQHUm2rBQ9cUqfU5BUCGr5zf1/3BfA==
Date:   Mon, 24 Dec 2018 09:26:31 +0000
Message-ID: <20181224092435.2792-8-james.qian.wang@arm.com>
References: <20181224092435.2792-1-james.qian.wang@arm.com>
In-Reply-To: <20181224092435.2792-1-james.qian.wang@arm.com>
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Add a new komeda_dev_func->on_off_vblank to enable/disable HW vblank event

Signed-off-by: James (Qian) Wang <james.qian.wang@arm.com>
---
 .../gpu/drm/arm/display/komeda/d71/d71_dev.c  | 10 ++++++++++
 .../gpu/drm/arm/display/komeda/komeda_crtc.c  | 19 +++++++++++++++++++
 .../gpu/drm/arm/display/komeda/komeda_dev.h   |  3 +++
 3 files changed, 32 insertions(+)

diff --git a/drivers/gpu/drm/arm/display/komeda/d71/d71_dev.c b/drivers/gpu=
/drm/arm/display/komeda/d71/d71_dev.c
index 39b3c84cf483..31680bc0ccba 100644
--- a/drivers/gpu/drm/arm/display/komeda/d71/d71_dev.c
+++ b/drivers/gpu/drm/arm/display/komeda/d71/d71_dev.c
@@ -241,6 +241,15 @@ static int d71_disable_irq(struct komeda_dev *mdev)
 	return 0;
 }
=20
+static void d71_on_off_vblank(struct komeda_dev *mdev, int master_pipe, bo=
ol on)
+{
+	struct d71_dev *d71 =3D mdev->chip_data;
+	struct d71_pipeline *pipe =3D d71->pipes[master_pipe];
+
+	malidp_write32_mask(pipe->dou_addr, BLK_IRQ_MASK,
+			    DOU_IRQ_PL0, on ? DOU_IRQ_PL0 : 0);
+}
+
 static int to_d71_opmode(int core_mode)
 {
 	switch (core_mode) {
@@ -492,6 +501,7 @@ static struct komeda_dev_funcs d71_chip_funcs =3D {
 	.irq_handler	=3D d71_irq_handler,
 	.enable_irq	=3D d71_enable_irq,
 	.disable_irq	=3D d71_disable_irq,
+	.on_off_vblank	=3D d71_on_off_vblank,
 	.change_opmode	=3D d71_change_opmode,
 	.flush		=3D d71_flush,
 };
diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_crtc.c b/drivers/gpu=
/drm/arm/display/komeda/komeda_crtc.c
index c76cd75a0100..6d9fb4626ba5 100644
--- a/drivers/gpu/drm/arm/display/komeda/komeda_crtc.c
+++ b/drivers/gpu/drm/arm/display/komeda/komeda_crtc.c
@@ -347,7 +347,26 @@ struct drm_crtc_helper_funcs komeda_crtc_helper_funcs =
=3D {
 	.mode_fixup	=3D komeda_crtc_mode_fixup,
 };
=20
+static int komeda_crtc_vblank_enable(struct drm_crtc *crtc)
+{
+	struct komeda_dev *mdev =3D crtc->dev->dev_private;
+	struct komeda_crtc *kcrtc =3D to_kcrtc(crtc);
+
+	mdev->funcs->on_off_vblank(mdev, kcrtc->master->id, true);
+	return 0;
+}
+
+static void komeda_crtc_vblank_disable(struct drm_crtc *crtc)
+{
+	struct komeda_dev *mdev =3D crtc->dev->dev_private;
+	struct komeda_crtc *kcrtc =3D to_kcrtc(crtc);
+
+	mdev->funcs->on_off_vblank(mdev, kcrtc->master->id, false);
+}
+
 static const struct drm_crtc_funcs komeda_crtc_funcs =3D {
+	.enable_vblank		=3D komeda_crtc_vblank_enable,
+	.disable_vblank		=3D komeda_crtc_vblank_disable,
 };
=20
 int komeda_kms_setup_crtcs(struct komeda_kms_dev *kms,
diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_dev.h b/drivers/gpu/=
drm/arm/display/komeda/komeda_dev.h
index 18dd82b09340..2beaa0d49c34 100644
--- a/drivers/gpu/drm/arm/display/komeda/komeda_dev.h
+++ b/drivers/gpu/drm/arm/display/komeda/komeda_dev.h
@@ -103,6 +103,9 @@ struct komeda_dev_funcs {
 	int (*enable_irq)(struct komeda_dev *mdev);
 	/** @disable_irq: disable irq */
 	int (*disable_irq)(struct komeda_dev *mdev);
+	/** @on_off_vblank: notify HW to on/off vblank */
+	void (*on_off_vblank)(struct komeda_dev *mdev,
+			      int master_pipe, bool on);
=20
 	/** @dump_register: Optional, dump registers to seq_file */
 	void (*dump_register)(struct komeda_dev *mdev, struct seq_file *seq);
--=20
2.17.1