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Code Issues Releases Wiki Activity

Add kernel 5.15 for RPI4 support

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Ycarus (Yannick Chabanois) 2021-11-24 18:32:01 +01:00
parent e961d478cd
commit df88a19bbd
638 changed files with 239907 additions and 0 deletions
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43
root/target/linux/bcm27xx/patches-5.15/0025-drm-vc4-crtc-Add-some-logging.patch Normal file
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@ -0,0 +1,43 @@
From f13f8a8233fdec553f3788edba1ebf5a6090b330 Mon Sep 17 00:00:00 2001
From: Maxime Ripard <maxime@cerno.tech>
Date: Mon, 21 Jun 2021 16:13:02 +0200
Subject: [PATCH 025/634] drm/vc4: crtc: Add some logging
The encoder retrieval code has been a source of bugs and glitches in the
past and the crtc <-> encoder association been wrong in a number of
different ways.
Add some logging to quickly spot issues if they occur.
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
---
drivers/gpu/drm/vc4/vc4_crtc.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/gpu/drm/vc4/vc4_crtc.c b/drivers/gpu/drm/vc4/vc4_crtc.c
index fbc1d4638650..6decaa12a078 100644
--- a/drivers/gpu/drm/vc4/vc4_crtc.c
+++ b/drivers/gpu/drm/vc4/vc4_crtc.c
@@ -541,6 +541,9 @@ static void vc4_crtc_atomic_disable(struct drm_crtc *crtc,
struct drm_encoder *encoder = vc4_get_crtc_encoder(crtc, old_state);
struct drm_device *dev = crtc->dev;
+ drm_dbg(dev, "Disabling CRTC %s (%u) connected to Encoder %s (%u)",
+ crtc->name, crtc->base.id, encoder->name, encoder->base.id);
+
require_hvs_enabled(dev);
/* Disable vblank irq handling before crtc is disabled. */
@@ -572,6 +575,9 @@ static void vc4_crtc_atomic_enable(struct drm_crtc *crtc,
struct drm_encoder *encoder = vc4_get_crtc_encoder(crtc, new_state);
struct vc4_encoder *vc4_encoder = to_vc4_encoder(encoder);
+ drm_dbg(dev, "Enabling CRTC %s (%u) connected to Encoder %s (%u)",
+ crtc->name, crtc->base.id, encoder->name, encoder->base.id);
+
require_hvs_enabled(dev);
/* Enable vblank irq handling before crtc is started otherwise
--
2.33.1