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drm/komeda: Add komeda_crtc_vblank_enable/disable 

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@arm.com>
Signed-off-by: Liviu Dudau <liviu.dudau@arm.com>
This commit is contained in:
james qian wang (Arm Technology China) 2019-01-22 11:11:25 +00:00 committed by Liviu Dudau
parent b7925b61bd
commit 98fe3f93a9
3 changed files with 32 additions and 0 deletions
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10
drivers/gpu/drm/arm/display/komeda/d71/d71_dev.c
View File

@ -243,6 +243,15 @@ 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) {
@ -500,6 +509,7 @@ 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,
};

19
drivers/gpu/drm/arm/display/komeda/komeda_crtc.c
View File

@ -351,7 +351,26 @@ 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,

3
drivers/gpu/drm/arm/display/komeda/komeda_dev.h
View File

@ -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);