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authorJia-Ju Bai <baijiaju1990@gmail.com>2018-08-04 02:25:35 +0200
committerAlex Deucher <alexander.deucher@amd.com>2018-08-27 18:10:01 +0200
commitc51cebb890dc76260c02354882cf333c8207dd19 (patch)
tree6c2ad731720cd94e5ef35073f1409049201c5660 /drivers/gpu/drm/radeon/cik.c
parentdrm/scheduler: bind job earlier to scheduler (diff)
downloadlinux-c51cebb890dc76260c02354882cf333c8207dd19.tar.xz
linux-c51cebb890dc76260c02354882cf333c8207dd19.zip
gpu: drm: radeon: cik: Replace mdelay() with msleep() in cik_pcie_gen3_enable()
cik_pcie_gen3_enable() is never called in atomic context. It 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> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/cik.c')
-rw-r--r--drivers/gpu/drm/radeon/cik.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c
index ebce4601a305..ab7b4e2ffcd2 100644
--- a/drivers/gpu/drm/radeon/cik.c
+++ b/drivers/gpu/drm/radeon/cik.c
@@ -9600,7 +9600,7 @@ static void cik_pcie_gen3_enable(struct radeon_device *rdev)
tmp |= LC_REDO_EQ;
WREG32_PCIE_PORT(PCIE_LC_CNTL4, tmp);
- mdelay(100);
+ msleep(100);
/* linkctl */
pci_read_config_word(root, bridge_pos + PCI_EXP_LNKCTL, &tmp16);