diff options
Diffstat (limited to 'drivers/gpu/drm/vc4/vc4_hvs.c')
| -rw-r--r-- | drivers/gpu/drm/vc4/vc4_hvs.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/drivers/gpu/drm/vc4/vc4_hvs.c b/drivers/gpu/drm/vc4/vc4_hvs.c index 71aa5081eaa3..2d540fc11357 100644 --- a/drivers/gpu/drm/vc4/vc4_hvs.c +++ b/drivers/gpu/drm/vc4/vc4_hvs.c @@ -382,10 +382,19 @@ int vc4_hvs_atomic_check(struct drm_crtc *crtc, struct drm_atomic_state *state) return 0; } -static void vc4_hvs_update_dlist(struct drm_crtc *crtc) +static void vc4_hvs_install_dlist(struct drm_crtc *crtc) { struct drm_device *dev = crtc->dev; struct vc4_dev *vc4 = to_vc4_dev(dev); + struct vc4_crtc_state *vc4_state = to_vc4_crtc_state(crtc->state); + + HVS_WRITE(SCALER_DISPLISTX(vc4_state->assigned_channel), + vc4_state->mm.start); +} + +static void vc4_hvs_update_dlist(struct drm_crtc *crtc) +{ + struct drm_device *dev = crtc->dev; struct vc4_crtc *vc4_crtc = to_vc4_crtc(crtc); struct vc4_crtc_state *vc4_state = to_vc4_crtc_state(crtc->state); unsigned long flags; @@ -405,9 +414,6 @@ static void vc4_hvs_update_dlist(struct drm_crtc *crtc) spin_unlock_irqrestore(&dev->event_lock, flags); } - HVS_WRITE(SCALER_DISPLISTX(vc4_state->assigned_channel), - vc4_state->mm.start); - spin_lock_irqsave(&vc4_crtc->irq_lock, flags); vc4_crtc->current_dlist = vc4_state->mm.start; spin_unlock_irqrestore(&vc4_crtc->irq_lock, flags); @@ -434,6 +440,7 @@ void vc4_hvs_atomic_enable(struct drm_crtc *crtc, struct vc4_crtc *vc4_crtc = to_vc4_crtc(crtc); bool oneshot = vc4_crtc->feeds_txp; + vc4_hvs_install_dlist(crtc); vc4_hvs_update_dlist(crtc); vc4_hvs_init_channel(vc4, crtc, mode, oneshot); } @@ -509,8 +516,10 @@ void vc4_hvs_atomic_flush(struct drm_crtc *crtc, * If the CRTC is being disabled, there's no point in updating this * information. */ - if (crtc->state->active && old_state->active) + if (crtc->state->active && old_state->active) { + vc4_hvs_install_dlist(crtc); vc4_hvs_update_dlist(crtc); + } if (crtc->state->color_mgmt_changed) { u32 dispbkgndx = HVS_READ(SCALER_DISPBKGNDX(channel)); |