8f9e91ad03
These patches were generated from: https://github.com/raspberrypi/linux/commits/rpi-6.12.y With the following command: git format-patch -N v6.12.27..HEAD (HEAD -> 8d3206ee456a5ecdf9ddbfd8e5e231e4f0cd716e) Exceptions: - (def)configs patches - github workflows patches - applied & reverted patches - readme patches - wireless patches Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
29 lines
1.2 KiB
Diff
29 lines
1.2 KiB
Diff
From a40bd08d5271472e60e8195479788f7d77569bfc Mon Sep 17 00:00:00 2001
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From: Dave Stevenson <dave.stevenson@raspberrypi.com>
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Date: Thu, 12 Dec 2024 11:59:52 +0000
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Subject: [PATCH] drm: Validate connector rotation has one bit set in the
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rotation property
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Copy the same validation logic as from the plane rotation property.
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Fixes: 8fec3ff87049 ("drm: Add a rotation parameter to connectors.")
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Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
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---
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drivers/gpu/drm/drm_atomic_uapi.c | 6 ++++++
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1 file changed, 6 insertions(+)
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--- a/drivers/gpu/drm/drm_atomic_uapi.c
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+++ b/drivers/gpu/drm/drm_atomic_uapi.c
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@@ -792,6 +792,12 @@ static int drm_atomic_connector_set_prop
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} else if (property == connector->broadcast_rgb_property) {
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state->hdmi.broadcast_rgb = val;
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} else if (property == connector->rotation_property) {
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+ if (!is_power_of_2(val & DRM_MODE_ROTATE_MASK)) {
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+ drm_dbg_atomic(connector->dev,
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+ "[CONNECTOR:%d:%s] bad rotation bitmask: 0x%llx\n",
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+ connector->base.id, connector->name, val);
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+ return -EINVAL;
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+ }
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state->rotation = val;
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} else if (connector->funcs->atomic_set_property) {
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return connector->funcs->atomic_set_property(connector,
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