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https://github.com/Ysurac/openmptcprouter.git
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32 lines
1.3 KiB
Diff
32 lines
1.3 KiB
Diff
From 2545c41cb176612d9ee860ad613eb55fb8e433de Mon Sep 17 00:00:00 2001
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From: Dave Stevenson <dave.stevenson@raspberrypi.com>
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Date: Fri, 25 Oct 2024 18:15:58 +0100
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Subject: [PATCH 622/697] drm/vc4: Enable bg_fill if there are no planes
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enabled
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The default was to have enable_bg_fill disabled and the first
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plane set it if it wasn't opaque and covering the whole screen.
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However that meant that if no planes were enabled, then the
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background fill wasn't enabled, and would give a striped
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output from the uninitialised output buffer.
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Initialise it to enabled to avoid this.
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Reviewed-by: Maxime Ripard <mripard@kernel.org>
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Link: https://patchwork.freedesktop.org/patch/msgid/20241025-drm-vc4-2712-support-v2-27-35efa83c8fc0@raspberrypi.com
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Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
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---
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drivers/gpu/drm/vc4/vc4_hvs.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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--- a/drivers/gpu/drm/vc4/vc4_hvs.c
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+++ b/drivers/gpu/drm/vc4/vc4_hvs.c
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@@ -936,7 +936,7 @@ void vc4_hvs_atomic_flush(struct drm_crt
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struct drm_plane *plane;
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struct vc4_plane_state *vc4_plane_state;
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bool debug_dump_regs = false;
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- bool enable_bg_fill = false;
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+ bool enable_bg_fill = true;
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u32 __iomem *dlist_start = vc4->hvs->dlist + vc4_state->mm.start;
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u32 __iomem *dlist_next = dlist_start;
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unsigned int zpos = 0;
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