FAILED: patch "[PATCH] drm/amdgpu: Fix comparison in amdgpu_res_cpu_visible" failed to apply to 6.6-stable tree

[<gregkh@linuxfoundation.org>]

The patch below does not apply to the 6.6-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@vger.kernel.org>.

To reproduce the conflict and resubmit, you may use the following commands:

git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.6.y
git checkout FETCH_HEAD
git cherry-pick -x c4dcb47d46144d8f5b1ace1d8d2fcddeb5dacd8e
# <resolve conflicts, build, test, etc.>
git commit -s
git send-email --to '<stable@vger.kernel.org>' --in-reply-to '2024080738-gopher-uphold-0739@gregkh' --subject-prefix 'PATCH 6.6.y' HEAD^..

Possible dependencies:

c4dcb47d4614 ("drm/amdgpu: Fix comparison in amdgpu_res_cpu_visible")
394ae0603a67 ("drm/amdgpu: fix visible VRAM handling during faults")
ba1a58d5b907 ("drm/amdgpu: add shared fdinfo stats")

thanks,

greg k-h

------------------ original commit in Linus's tree ------------------

From c4dcb47d46144d8f5b1ace1d8d2fcddeb5dacd8e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Michel=20D=C3=A4nzer?= <mdaenzer@redhat.com>
Date: Wed, 8 May 2024 15:19:16 +0200
Subject: [PATCH] drm/amdgpu: Fix comparison in amdgpu_res_cpu_visible
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

It incorrectly claimed a resource isn't CPU visible if it's located at
the very end of CPU visible VRAM.

Fixes: a6ff969fe9cb ("drm/amdgpu: fix visible VRAM handling during faults")
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3343
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reported-and-Tested-by: Jeremy Day <jsday@noreason.ca>
Signed-off-by: Michel Dänzer <mdaenzer@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
CC: stable@vger.kernel.org

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 80974d72cbc1..0364a7bb5893 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -432,7 +432,7 @@ bool amdgpu_res_cpu_visible(struct amdgpu_device *adev,
 
 	amdgpu_res_first(res, 0, res->size, &cursor);
 	while (cursor.remaining) {
-		if ((cursor.start + cursor.size) >= adev->gmc.visible_vram_size)
+		if ((cursor.start + cursor.size) > adev->gmc.visible_vram_size)
 			return false;
 		amdgpu_res_next(&cursor, cursor.size);
 	}