From: "Rafał Miłecki" <zajec5@gmail.com>
To: dri-devel@lists.freedesktop.org, Dave Airlie <airlied@linux.ie>
Cc: "Rafał Miłecki" <zajec5@gmail.com>, stable@vger.kernel.org
Subject: [FIX][PATCH] drm/radeon: fix WREG32_OR macro setting bits in a register
Date: Thu, 15 Aug 2013 18:55:22 +0200 [thread overview]
Message-ID: <1376585722-2469-1-git-send-email-zajec5@gmail.com> (raw)
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 <zajec5@gmail.com>
Cc: stable@vger.kernel.org
---
drivers/gpu/drm/radeon/radeon.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 9fc9e71..289047e 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -2259,7 +2259,7 @@ void cik_mm_wdoorbell(struct radeon_device *rdev, u32 offset, u32 v);
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); \
--
1.7.10.4
next reply other threads:[~2013-08-15 16:55 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-15 16:55 Rafał Miłecki [this message]
2013-08-15 17:01 ` [FIX][PATCH] drm/radeon: fix WREG32_OR macro setting bits in a register Alex Deucher
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