[PATCH v3 047/105] drm/vc4: crtc: Remove mode_set_nofb
From: Maxime Ripard <hidden>
Date: 2020-05-27 15:51:09
Also in:
dri-devel, lkml
Subsystem:
drm drivers, drm drivers and misc gpu patches, drm drivers for vc4, the rest · Maintainers:
David Airlie, Simona Vetter, Maarten Lankhorst, Maxime Ripard, Thomas Zimmermann, Dave Stevenson, Linus Torvalds
On BCM2711 to avoid stale pixels getting stuck in intermediate FIFOs, the pixelvalve needs to be setup each time there's a mode change or enable / disable sequence. Therefore, we can't really use mode_set_nofb anymore to configure it, but we need to move it to atomic_enable. Signed-off-by: Maxime Ripard <redacted> --- drivers/gpu/drm/vc4/vc4_crtc.c | 12 +++--------- 1 file changed, 3 insertions(+), 9 deletions(-)
diff --git a/drivers/gpu/drm/vc4/vc4_crtc.c b/drivers/gpu/drm/vc4/vc4_crtc.c
index a69e0d456b79..08bd595f6a7c 100644
--- a/drivers/gpu/drm/vc4/vc4_crtc.c
+++ b/drivers/gpu/drm/vc4/vc4_crtc.c@@ -374,14 +374,6 @@ static void vc4_crtc_config_pv(struct drm_crtc *crtc) } } -static void vc4_crtc_mode_set_nofb(struct drm_crtc *crtc) -{ - struct vc4_crtc_state *vc4_state = to_vc4_crtc_state(crtc->state); - - if (!vc4_state->feed_txp) - vc4_crtc_config_pv(crtc); -} - static void require_hvs_enabled(struct drm_device *dev) { struct vc4_dev *vc4 = to_vc4_dev(dev);
@@ -443,6 +435,9 @@ static void vc4_crtc_atomic_enable(struct drm_crtc *crtc, vc4_crtc_pixelvalve_reset(crtc); + if (!vc4_state->feed_txp) + vc4_crtc_config_pv(crtc); + CRTC_WRITE(PV_CONTROL, CRTC_READ(PV_CONTROL) | PV_CONTROL_EN); /* Enable vblank irq handling before crtc is started otherwise
@@ -814,7 +809,6 @@ static const struct drm_crtc_funcs vc4_crtc_funcs = { }; static const struct drm_crtc_helper_funcs vc4_crtc_helper_funcs = { - .mode_set_nofb = vc4_crtc_mode_set_nofb, .mode_valid = vc4_crtc_mode_valid, .atomic_check = vc4_crtc_atomic_check, .atomic_flush = vc4_hvs_atomic_flush,
--
git-series 0.9.1
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