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Gerben Jan Dijkman
2021-04-19 15:42:22 +02:00
parent aa5fe36bf4
commit 09ee2d1817
66 changed files with 8 additions and 557659 deletions
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66
sys-kernel/pinephone-sources/files/megi-recover-from-occasional-HW-failures.patch
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@@ -1,66 +0,0 @@
From 8a0bf7456f10a06adeeed0690d181f67d887e18e Mon Sep 17 00:00:00 2001
From: Ondrej Jirman
Date: Tue, 28 Jan 2020 00:26:17 +0100
Subject: drm: sun4i-drm: Recover from occasional HW failures
Layer can be disabled automatically by HW (HW clears the bit in
some unknown situations). We need to always update this bit,
so that DE2 will not fail.
Signed-off-by: Ondrej Jirman <megous@megous.com>
---
drivers/gpu/drm/sun4i/sun8i_ui_layer.c | 13 ++++++-------
drivers/gpu/drm/sun4i/sun8i_vi_layer.c | 13 ++++++-------
2 files changed, 12 insertions(+), 14 deletions(-)
diff --git a/drivers/gpu/drm/sun4i/sun8i_ui_layer.c b/drivers/gpu/drm/sun4i/sun8i_ui_layer.c
index f1c87695b4d7..e58482f6d7ba 100644
--- a/drivers/gpu/drm/sun4i/sun8i_ui_layer.c
+++ b/drivers/gpu/drm/sun4i/sun8i_ui_layer.c
@@ -36,13 +36,12 @@ static void sun8i_ui_layer_enable(struct sun8i_mixer *mixer, int channel,
DRM_DEBUG_DRIVER("%sabling channel %d overlay %d\n",
enable ? "En" : "Dis", channel, overlay);
- if (!was_enabled != !enable) {
- val = enable ? SUN8I_MIXER_CHAN_UI_LAYER_ATTR_EN : 0;
-
- regmap_update_bits(mixer->engine.regs,
- SUN8I_MIXER_CHAN_UI_LAYER_ATTR(ch_base, overlay),
- SUN8I_MIXER_CHAN_UI_LAYER_ATTR_EN, val);
- }
+ /* We always update the layer enable bit, because it can clear
+ * spontaneously for unknown reasons. */
+ val = enable ? SUN8I_MIXER_CHAN_UI_LAYER_ATTR_EN : 0;
+ regmap_update_bits(mixer->engine.regs,
+ SUN8I_MIXER_CHAN_UI_LAYER_ATTR(ch_base, overlay),
+ SUN8I_MIXER_CHAN_UI_LAYER_ATTR_EN, val);
/*
* If this layer was enabled and is being disabled or if it is
diff --git a/drivers/gpu/drm/sun4i/sun8i_vi_layer.c b/drivers/gpu/drm/sun4i/sun8i_vi_layer.c
index 81eda71c4fff..0c2ccc33d456 100644
--- a/drivers/gpu/drm/sun4i/sun8i_vi_layer.c
+++ b/drivers/gpu/drm/sun4i/sun8i_vi_layer.c
@@ -30,13 +30,12 @@ static void sun8i_vi_layer_enable(struct sun8i_mixer *mixer, int channel,
DRM_DEBUG_DRIVER("%sabling VI channel %d overlay %d\n",
enable ? "En" : "Dis", channel, overlay);
- if (!was_enabled != !enable) {
- val = enable ? SUN8I_MIXER_CHAN_VI_LAYER_ATTR_EN : 0;
-
- regmap_update_bits(mixer->engine.regs,
- SUN8I_MIXER_CHAN_VI_LAYER_ATTR(ch_base, overlay),
- SUN8I_MIXER_CHAN_VI_LAYER_ATTR_EN, val);
- }
+ /* We always update the layer enable bit, because it can clear
+ * spontaneously for unknown reasons. */
+ val = enable ? SUN8I_MIXER_CHAN_VI_LAYER_ATTR_EN : 0;
+ regmap_update_bits(mixer->engine.regs,
+ SUN8I_MIXER_CHAN_VI_LAYER_ATTR(ch_base, overlay),
+ SUN8I_MIXER_CHAN_VI_LAYER_ATTR_EN, val);
/*
* If this layer was enabled and is being disabled or if it is
--
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