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d81c03f05e
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>
63 lines
2.0 KiB
Diff
63 lines
2.0 KiB
Diff
From 53aa50017a2d7f730d4aae4bea41619d7a92bb03 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Ma=C3=ADra=20Canal?= <mcanal@igalia.com>
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Date: Mon, 23 Sep 2024 10:55:14 -0300
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Subject: [PATCH] drm/v3d: Add modparam for turning off Big/Super Pages
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Commit 0df4a13ca8bed29cbc362c99b958fbb8b27b1675 upstream
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Add a modparam for turning off Big/Super Pages to make sure that if an
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user doesn't want Big/Super Pages enabled, it can disabled it by setting
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the modparam to false.
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Signed-off-by: Maíra Canal <mcanal@igalia.com>
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Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@igalia.com>
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Link: https://patchwork.freedesktop.org/patch/msgid/20240923141348.2422499-11-mcanal@igalia.com
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---
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drivers/gpu/drm/v3d/v3d_drv.c | 7 +++++++
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drivers/gpu/drm/v3d/v3d_drv.h | 1 +
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drivers/gpu/drm/v3d/v3d_gemfs.c | 4 ++++
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3 files changed, 12 insertions(+)
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--- a/drivers/gpu/drm/v3d/v3d_drv.c
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+++ b/drivers/gpu/drm/v3d/v3d_drv.c
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@@ -40,6 +40,13 @@
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#define DRIVER_MINOR 0
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#define DRIVER_PATCHLEVEL 0
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+/* Only expose the `super_pages` modparam if THP is enabled. */
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+#ifdef CONFIG_TRANSPARENT_HUGEPAGE
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+bool super_pages = true;
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+module_param_named(super_pages, super_pages, bool, 0400);
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+MODULE_PARM_DESC(super_pages, "Enable/Disable Super Pages support.");
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+#endif
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+
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static int v3d_get_param_ioctl(struct drm_device *dev, void *data,
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struct drm_file *file_priv)
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{
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--- a/drivers/gpu/drm/v3d/v3d_drv.h
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+++ b/drivers/gpu/drm/v3d/v3d_drv.h
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@@ -545,6 +545,7 @@ void v3d_invalidate_caches(struct v3d_de
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void v3d_clean_caches(struct v3d_dev *v3d);
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/* v3d_gemfs.c */
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+extern bool super_pages;
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void v3d_gemfs_init(struct v3d_dev *v3d);
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void v3d_gemfs_fini(struct v3d_dev *v3d);
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--- a/drivers/gpu/drm/v3d/v3d_gemfs.c
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+++ b/drivers/gpu/drm/v3d/v3d_gemfs.c
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@@ -20,6 +20,10 @@ void v3d_gemfs_init(struct v3d_dev *v3d)
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if (!IS_ENABLED(CONFIG_TRANSPARENT_HUGEPAGE))
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goto err;
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+ /* The user doesn't want to enable Super Pages */
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+ if (!super_pages)
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+ goto err;
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+
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type = get_fs_type("tmpfs");
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if (!type)
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goto err;
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