From: Denis Efremov <efremov@linux.com>
To: "Alex Deucher" <alexander.deucher@amd.com>,
"Christian König" <christian.koenig@amd.com>
Cc: stable@vger.kernel.org, dri-devel@lists.freedesktop.org,
amd-gfx@lists.freedesktop.org, Denis Efremov <efremov@linux.com>,
linux-kernel@vger.kernel.org
Subject: [PATCH] drm/radeon: fix fb_div check in ni_init_smc_spll_table()
Date: Mon, 22 Jun 2020 23:31:22 +0300 [thread overview]
Message-ID: <20200622203122.25749-1-efremov@linux.com> (raw)
clk_s is checked twice in a row in ni_init_smc_spll_table().
fb_div should be checked instead.
Fixes: 69e0b57a91ad ("drm/radeon/kms: add dpm support for cayman (v5)")
Cc: stable@vger.kernel.org
Signed-off-by: Denis Efremov <efremov@linux.com>
---
drivers/gpu/drm/radeon/ni_dpm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/radeon/ni_dpm.c b/drivers/gpu/drm/radeon/ni_dpm.c
index b57c37ddd164..c7fbb7932f37 100644
--- a/drivers/gpu/drm/radeon/ni_dpm.c
+++ b/drivers/gpu/drm/radeon/ni_dpm.c
@@ -2127,7 +2127,7 @@ static int ni_init_smc_spll_table(struct radeon_device *rdev)
if (clk_s & ~(SMC_NISLANDS_SPLL_DIV_TABLE_CLKS_MASK >> SMC_NISLANDS_SPLL_DIV_TABLE_CLKS_SHIFT))
ret = -EINVAL;
- if (clk_s & ~(SMC_NISLANDS_SPLL_DIV_TABLE_CLKS_MASK >> SMC_NISLANDS_SPLL_DIV_TABLE_CLKS_SHIFT))
+ if (fb_div & ~(SMC_NISLANDS_SPLL_DIV_TABLE_FBDIV_MASK >> SMC_NISLANDS_SPLL_DIV_TABLE_FBDIV_SHIFT))
ret = -EINVAL;
if (clk_v & ~(SMC_NISLANDS_SPLL_DIV_TABLE_CLKV_MASK >> SMC_NISLANDS_SPLL_DIV_TABLE_CLKV_SHIFT))
--
2.26.2
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next reply other threads:[~2020-06-22 21:56 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-22 20:31 Denis Efremov [this message]
2020-06-23 16:51 ` [PATCH] drm/radeon: fix fb_div check in ni_init_smc_spll_table() Alex Deucher
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