From mboxrd@z Thu Jan 1 00:00:00 1970 From: fabf@skynet.be (Fabian Frederick) Date: Mon, 30 Jan 2017 19:39:47 +0100 Subject: [PATCH 02/14] drm/exynos: use atomic_dec_not_zero() Message-ID: <20170130183947.12810-1-fabf@skynet.be> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org instead of atomic_add_unless(value, -1, 0) Signed-off-by: Fabian Frederick --- drivers/gpu/drm/exynos/exynos_drm_fimd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c index 745cfbd..0e191b6 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c @@ -923,7 +923,7 @@ static void fimd_te_handler(struct exynos_drm_crtc *crtc) * If there is a page flip request, triggers and handles the page flip * event so that current fb can be updated into panel GRAM. */ - if (atomic_add_unless(&ctx->win_updated, -1, 0)) + if (atomic_dec_not_zero(&ctx->win_updated)) fimd_trigger(ctx->dev); out: -- 2.9.3