From: Alex Deucher <alexdeucher@gmail.com>
To: Denis Efremov <efremov@linux.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
"Maling list - DRI developers" <dri-devel@lists.freedesktop.org>,
"amd-gfx list" <amd-gfx@lists.freedesktop.org>,
"Alex Deucher" <alexander.deucher@amd.com>,
"for 3.8" <stable@vger.kernel.org>,
"Christian König" <christian.koenig@amd.com>
Subject: Re: [PATCH] drm/radeon: fix fb_div check in ni_init_smc_spll_table()
Date: Tue, 23 Jun 2020 12:51:03 -0400 [thread overview]
Message-ID: <CADnq5_MK=DmiP4Y_AkEX3RL6dLDdoMOkyEYfrSu6H3OCE9jh+w@mail.gmail.com> (raw)
In-Reply-To: <20200622203122.25749-1-efremov@linux.com>
On Mon, Jun 22, 2020 at 5:56 PM Denis Efremov <efremov@linux.com> wrote:
>
> 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>
Applied. Thanks!
Alex
> ---
> 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
>
> _______________________________________________
> amd-gfx mailing list
> amd-gfx@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/amd-gfx
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prev parent reply other threads:[~2020-06-23 16:51 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-22 20:31 [PATCH] drm/radeon: fix fb_div check in ni_init_smc_spll_table() Denis Efremov
2020-06-23 16:51 ` Alex Deucher [this message]
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