This is a note to let you know that I've just added the patch titled
drm/radeon/kms: fix extended lvds info parsing
to the 2.6.38-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-radeon-kms-fix-extended-lvds-info-parsing.patch
and it can be found in the queue-2.6.38 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From 05fa7ea7d23980de0014417a0e0af2048a0f9fc1 Mon Sep 17 00:00:00 2001
From: Alex Deucher <[email protected]>
Date: Wed, 11 May 2011 14:02:07 -0400
Subject: drm/radeon/kms: fix extended lvds info parsing
From: Alex Deucher <[email protected]>
commit 05fa7ea7d23980de0014417a0e0af2048a0f9fc1 upstream.
On rev <= 1.1 tables, the offset is absolute,
on newer tables, it's relative.
Fixes:
https://bugzilla.redhat.com/show_bug.cgi?id=700326
Signed-off-by: Alex Deucher <[email protected]>
Reviewed-by: Jerome Glisse <[email protected]>
Signed-off-by: Dave Airlie <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/gpu/drm/radeon/radeon_atombios.c | 14 +++++++++++---
1 file changed, 11 insertions(+), 3 deletions(-)
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -1574,9 +1574,17 @@ struct radeon_encoder_atom_dig *radeon_a
ATOM_FAKE_EDID_PATCH_RECORD *fake_edid_record;
ATOM_PANEL_RESOLUTION_PATCH_RECORD *panel_res_record;
bool bad_record = false;
- u8 *record = (u8 *)(mode_info->atom_context->bios +
- data_offset +
-
le16_to_cpu(lvds_info->info.usModePatchTableOffset));
+ u8 *record;
+
+ if ((frev == 1) && (crev < 2))
+ /* absolute */
+ record = (u8 *)(mode_info->atom_context->bios +
+
le16_to_cpu(lvds_info->info.usModePatchTableOffset));
+ else
+ /* relative */
+ record = (u8 *)(mode_info->atom_context->bios +
+ data_offset +
+
le16_to_cpu(lvds_info->info.usModePatchTableOffset));
while (*record != ATOM_RECORD_END_TYPE) {
switch (*record) {
case LCD_MODE_PATCH_RECORD_MODE_TYPE:
Patches currently in stable-queue which might be from [email protected] are
queue-2.6.38/drm-radeon-kms-add-pci-id-to-acer-travelmate-quirk-for-5730.patch
queue-2.6.38/drm-radeon-kms-fix-extended-lvds-info-parsing.patch
queue-2.6.38/drm-radeon-kms-fix-gart-setup-on-fusion-parts-v2-backport.patch
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