lkml.org 
[lkml]   [2018]   [Jul]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: [PATCH] gpu: drm: amdgpu: Replace mdelay with msleep in cik_pcie_gen3_enable()
On Mon, Jul 23, 2018 at 10:29 AM, Jia-Ju Bai <baijiaju1990@gmail.com> wrote:
> cik_pcie_gen3_enable() is only called by cik_common_hw_init(), which is
> never called in atomic context.
> cik_pcie_gen3_enable() calls mdelay() to busily wait, which is not
> necessary.
> mdelay() can be replaced with msleep().
>
> This is found by a static analysis tool named DCNS written by myself.
>
> Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com>

Applied. thanks!

Alex

> ---
> drivers/gpu/drm/amd/amdgpu/cik.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/cik.c b/drivers/gpu/drm/amd/amdgpu/cik.c
> index 0df22030e713..5b7fab2c2008 100644
> --- a/drivers/gpu/drm/amd/amdgpu/cik.c
> +++ b/drivers/gpu/drm/amd/amdgpu/cik.c
> @@ -1476,7 +1476,7 @@ static void cik_pcie_gen3_enable(struct amdgpu_device *adev)
> tmp |= PCIE_LC_CNTL4__LC_REDO_EQ_MASK;
> WREG32_PCIE(ixPCIE_LC_CNTL4, tmp);
>
> - mdelay(100);
> + msleep(100);
>
> /* linkctl */
> pci_read_config_word(root, bridge_pos + PCI_EXP_LNKCTL, &tmp16);
> --
> 2.17.0
>
> _______________________________________________
> amd-gfx mailing list
> amd-gfx@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/amd-gfx

\
 
 \ /
  Last update: 2018-07-24 22:50    [W:0.049 / U:2.476 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site