This is a note to let you know that I've just added the patch titled
drm/radeon: fix WREG32_OR macro setting bits in a register
to the 3.10-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-fix-wreg32_or-macro-setting-bits-in-a-register.patch
and it can be found in the queue-3.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From d43a93c8d9bc4e0dc0293b6458c077c3c797594f Mon Sep 17 00:00:00 2001
From: Rafał Miłecki <[email protected]>
Date: Thu, 15 Aug 2013 18:55:22 +0200
Subject: drm/radeon: fix WREG32_OR macro setting bits in a register
From: Rafał Miłecki <[email protected]>
commit d43a93c8d9bc4e0dc0293b6458c077c3c797594f upstream.
This bug (introduced in 3.10) in WREG32_OR made
commit d3418eacad403033e95e49dc14afa37c2112c134
"drm/radeon/evergreen: setup HDMI before enabling it"
cause a regression. Sometimes audio over HDMI wasn't working, sometimes
display was corrupted.
This fixes:
https://bugzilla.kernel.org/show_bug.cgi?id=60687
https://bugzilla.kernel.org/show_bug.cgi?id=60709
https://bugs.freedesktop.org/show_bug.cgi?id=67767
Signed-off-by: Rafał Miłecki <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/gpu/drm/radeon/radeon.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -1764,7 +1764,7 @@ void r100_io_wreg(struct radeon_device *
WREG32(reg, tmp_); \
} while (0)
#define WREG32_AND(reg, and) WREG32_P(reg, 0, and)
-#define WREG32_OR(reg, or) WREG32_P(reg, or, ~or)
+#define WREG32_OR(reg, or) WREG32_P(reg, or, ~(or))
#define WREG32_PLL_P(reg, val, mask) \
do { \
uint32_t tmp_ = RREG32_PLL(reg); \
Patches currently in stable-queue which might be from [email protected] are
queue-3.10/drm-radeon-fix-wreg32_or-macro-setting-bits-in-a-register.patch
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