Patchwork [3.5.y.z,extended,stable] Patch "drm/radeon: fix endian bugs in atom_allocate_fb_scratch()" has been added to staging queue

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Submitter Luis Henriques
Date May 15, 2013, 10:33 a.m.
Message ID <1368614031-24235-1-git-send-email-luis.henriques@canonical.com>
Download mbox | patch
Permalink /patch/244000/
State New
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Luis Henriques - May 15, 2013, 10:33 a.m.
This is a note to let you know that I have just added a patch titled

    drm/radeon: fix endian bugs in atom_allocate_fb_scratch()

to the linux-3.5.y-queue branch of the 3.5.y.z extended stable tree 
which can be found at:

 http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/linux-3.5.y-queue

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.5.y.z tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Luis

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From 27aaa5597e4032d988ca526ddfc4d19209a8ff63 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Wed, 24 Apr 2013 14:39:31 -0400
Subject: [PATCH] drm/radeon: fix endian bugs in atom_allocate_fb_scratch()
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

commit beb71fc61c2cad64e347f164991b8ef476529e64 upstream.

Reviwed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Luis Henriques <luis.henriques@canonical.com>
---
 drivers/gpu/drm/radeon/atom.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

--
1.8.1.2

Patch

diff --git a/drivers/gpu/drm/radeon/atom.c b/drivers/gpu/drm/radeon/atom.c
index 5ce9bf5..43672b6 100644
--- a/drivers/gpu/drm/radeon/atom.c
+++ b/drivers/gpu/drm/radeon/atom.c
@@ -1389,10 +1389,10 @@  int atom_allocate_fb_scratch(struct atom_context *ctx)
 		firmware_usage = (struct _ATOM_VRAM_USAGE_BY_FIRMWARE *)(ctx->bios + data_offset);

 		DRM_DEBUG("atom firmware requested %08x %dkb\n",
-			  firmware_usage->asFirmwareVramReserveInfo[0].ulStartAddrUsedByFirmware,
-			  firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb);
+			  le32_to_cpu(firmware_usage->asFirmwareVramReserveInfo[0].ulStartAddrUsedByFirmware),
+			  le16_to_cpu(firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb));

-		usage_bytes = firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb * 1024;
+		usage_bytes = le16_to_cpu(firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb) * 1024;
 	}
 	ctx->scratch_size_bytes = 0;
 	if (usage_bytes == 0)