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drm/msm: sde_hw_top: Replace atomic cmpxchg with non-atomic variant

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Sultan: "though a cmpxchg isn't needed there"

Signed-off-by: Kazuki Hashimoto <kazukih@tuta.io>
Signed-off-by: azrim <mirzaspc@gmail.com>
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Kazuki Hashimoto 2022-02-06 10:19:39 +09:00 committed by azrim
parent 4207704707
commit 101b66f748
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GPG Key ID: 497F8FB059B45D1C
1 changed files with 2 additions and 1 deletions
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drivers/gpu/drm/msm/sde/sde_hw_top.c
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@ -174,9 +174,10 @@ static bool sde_hw_setup_clk_force_ctrl(struct sde_hw_mdp *mdp,
return false;
ctrl_reg = (struct sde_clk_ctrl_reg *)&mdp->caps->clk_ctrls[clk_ctrl];
if (cmpxchg(&ctrl_reg->val, !enable, enable) == enable)
if (ctrl_reg->val == enable)
return enable;
ctrl_reg->val = enable;
reg_off = ctrl_reg->reg_off;
bit_off = ctrl_reg->bit_off;