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https://github.com/openwrt/openwrt.git
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3a5584e0df
Adds latest 6.6 patches from the Raspberry Pi repository.
These patches were generated from:
https://github.com/raspberrypi/linux/commits/rpi-6.6.y/
With the following command:
git format-patch -N v6.6.67..HEAD
(HEAD -> 811ff707533bcd67cdcd368bbd46223082009b12)
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
(cherry picked from commit 692205305d)
31 lines
1.0 KiB
Diff
31 lines
1.0 KiB
Diff
From af4ab4fb77dfc697c8ae068b18f27de1ee5d609f Mon Sep 17 00:00:00 2001
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From: Dave Stevenson <dave.stevenson@raspberrypi.com>
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Date: Wed, 11 Dec 2024 16:30:43 +0000
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Subject: [PATCH] drm: vc4: txp: Do not allow 24bpp formats when transposing
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The hardware doesn't support transposing to 24bpp (RGB888/BGR888)
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formats. There's no way to advertise this through DRM, so block
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it from atomic_check instead.
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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_txp.c | 7 +++++++
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1 file changed, 7 insertions(+)
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--- a/drivers/gpu/drm/vc4/vc4_txp.c
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+++ b/drivers/gpu/drm/vc4/vc4_txp.c
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@@ -272,6 +272,13 @@ static int vc4_txp_connector_atomic_chec
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return -EINVAL;
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}
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+ if (conn_state->rotation & DRM_MODE_TRANSPOSE &&
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+ (fb->format->format == DRM_FORMAT_RGB888 ||
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+ fb->format->format == DRM_FORMAT_BGR888)) {
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+ DRM_DEBUG_KMS("24bpp formats not supported when transposing\n");
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+ return -EINVAL;
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+ }
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+
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for (i = 0; i < ARRAY_SIZE(drm_fmts); i++) {
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if (fb->format->format == drm_fmts[i])
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break;
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