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8c405cdccc
The patches were generated from the RPi repo with the following command: git format-patch v6.6.34..rpi-6.1.y Some patches needed rebasing and, as usual, the applied and reverted, wireless drivers, Github workflows, READMEs and defconfigs patches were removed. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
32 lines
1.1 KiB
Diff
32 lines
1.1 KiB
Diff
From a3fe2fa1ae15108705c5b56f4191414d6dc56188 Mon Sep 17 00:00:00 2001
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From: Dave Stevenson <dave.stevenson@raspberrypi.com>
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Date: Wed, 23 Aug 2023 17:48:23 +0100
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Subject: [PATCH 0596/1085] drm/vc4: UV planes vertical scaling must always be
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enabled
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It has been observed that a YUV422 unity scaled plane isn't displayed.
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Enabling vertical scaling on the UV planes solves this. There is
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already a similar clause to always enable horizontal scaling on the
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UV planes.
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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_plane.c | 6 ++++++
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1 file changed, 6 insertions(+)
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--- a/drivers/gpu/drm/vc4/vc4_plane.c
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+++ b/drivers/gpu/drm/vc4/vc4_plane.c
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@@ -522,6 +522,12 @@ static int vc4_plane_setup_clipping_and_
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*/
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if (vc4_state->x_scaling[1] == VC4_SCALING_NONE)
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vc4_state->x_scaling[1] = VC4_SCALING_PPF;
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+
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+ /* Similarly UV needs vertical scaling to be enabled.
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+ * Without this a 1:1 scaled YUV422 plane isn't rendered.
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+ */
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+ if (vc4_state->y_scaling[1] == VC4_SCALING_NONE)
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+ vc4_state->y_scaling[1] = VC4_SCALING_PPF;
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} else {
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vc4_state->is_yuv = false;
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vc4_state->x_scaling[1] = VC4_SCALING_NONE;
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