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692205305d
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>
48 lines
1.6 KiB
Diff
48 lines
1.6 KiB
Diff
From b3b3d12cf0734318a0fed0b33e13d714188369db Mon Sep 17 00:00:00 2001
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From: Dave Stevenson <dave.stevenson@raspberrypi.com>
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Date: Tue, 22 Oct 2024 17:17:31 +0100
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Subject: [PATCH] drm: Add a DRM_MODE_TRANSPOSE option to the DRM rotation
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property
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Some hardware will implement transpose as a rotation operation,
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which when combined with X and Y reflect can result in a rotation,
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but is a discrete operation in its own right.
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Add an option for transpose only.
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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_blend.c | 3 +++
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include/uapi/drm/drm_mode.h | 1 +
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2 files changed, 4 insertions(+)
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--- a/drivers/gpu/drm/drm_blend.c
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+++ b/drivers/gpu/drm/drm_blend.c
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@@ -263,6 +263,8 @@ EXPORT_SYMBOL(drm_plane_create_alpha_pro
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* "reflect-x"
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* DRM_MODE_REFLECT_Y:
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* "reflect-y"
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+ * DRM_MODE_TRANSPOSE:
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+ * "transpose"
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*
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* Rotation is the specified amount in degrees in counter clockwise direction,
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* the X and Y axis are within the source rectangle, i.e. the X/Y axis before
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@@ -280,6 +282,7 @@ int drm_plane_create_rotation_property(s
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{ __builtin_ffs(DRM_MODE_ROTATE_270) - 1, "rotate-270" },
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{ __builtin_ffs(DRM_MODE_REFLECT_X) - 1, "reflect-x" },
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{ __builtin_ffs(DRM_MODE_REFLECT_Y) - 1, "reflect-y" },
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+ { __builtin_ffs(DRM_MODE_TRANSPOSE) - 1, "transpose" },
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};
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struct drm_property *prop;
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--- a/include/uapi/drm/drm_mode.h
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+++ b/include/uapi/drm/drm_mode.h
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@@ -203,6 +203,7 @@ extern "C" {
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*/
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#define DRM_MODE_REFLECT_X (1<<4)
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#define DRM_MODE_REFLECT_Y (1<<5)
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+#define DRM_MODE_TRANSPOSE (1<<6)
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/*
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* DRM_MODE_REFLECT_MASK
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