From: "james qian wang (Arm Technology China)" <james.qian.wang@xxxxxxx>
Add a new komeda_dev_func->on_off_vblank to enable/disable HW vblank event
Signed-off-by: James Qian Wang (Arm Technology China) <james.qian.wang@xxxxxxx>
---
.../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 2fb29aea9f69..f517ab0ceae9 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;
}
+static void d71_on_off_vblank(struct komeda_dev *mdev, int master_pipe, bool on)
+{
+ struct d71_dev *d71 = mdev->chip_data;
+ struct d71_pipeline *pipe = 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) {
@@ -498,6 +507,7 @@ static struct komeda_dev_funcs d71_chip_funcs = {
.irq_handler = d71_irq_handler,
.enable_irq = d71_enable_irq,
.disable_irq = d71_disable_irq,
+ .on_off_vblank = d71_on_off_vblank,
.change_opmode = d71_change_opmode,
.flush = 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 9b370e1232e2..e19ba9468d31 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 = {
.mode_fixup = komeda_crtc_mode_fixup,
};
+static int komeda_crtc_vblank_enable(struct drm_crtc *crtc)
+{
+ struct komeda_dev *mdev = crtc->dev->dev_private;
+ struct komeda_crtc *kcrtc = 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 = crtc->dev->dev_private;
+ struct komeda_crtc *kcrtc = to_kcrtc(crtc);
+
+ mdev->funcs->on_off_vblank(mdev, kcrtc->master->id, false);
+}
+
static const struct drm_crtc_funcs komeda_crtc_funcs = {
+ .enable_vblank = komeda_crtc_vblank_enable,
+ .disable_vblank = komeda_crtc_vblank_disable,
};
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 1ad1f6e49854..8acd25afb3e9 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);
/** @dump_register: Optional, dump registers to seq_file */
void (*dump_register)(struct komeda_dev *mdev, struct seq_file *seq);
--
2.17.1
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