From: Tom St Denis Date: Tue, 15 Dec 2015 18:01:49 +0000 (-0500) Subject: amdgpu/dce11: Remove division from dce_v11_0_vblank_wait() X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=9e4e1ae82f2479a32bee61132206367a710e961e;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git amdgpu/dce11: Remove division from dce_v11_0_vblank_wait() Mimics odd behaviour where (i++ % 100 == 0) is true in the first iteration of each loop... Signed-off-by: Tom St Denis Reviewed-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c index 8701661a8868..80be62a0b99b 100644 --- a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c +++ b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c @@ -211,7 +211,7 @@ static bool dce_v11_0_is_counter_moving(struct amdgpu_device *adev, int crtc) */ static void dce_v11_0_vblank_wait(struct amdgpu_device *adev, int crtc) { - unsigned i = 0; + unsigned i = 100; if (crtc >= adev->mode_info.num_crtc) return; @@ -223,14 +223,16 @@ static void dce_v11_0_vblank_wait(struct amdgpu_device *adev, int crtc) * wait for another frame. */ while (dce_v11_0_is_in_vblank(adev, crtc)) { - if (i++ % 100 == 0) { + if (i++ == 100) { + i = 0; if (!dce_v11_0_is_counter_moving(adev, crtc)) break; } } while (!dce_v11_0_is_in_vblank(adev, crtc)) { - if (i++ % 100 == 0) { + if (i++ == 100) { + i = 0; if (!dce_v11_0_is_counter_moving(adev, crtc)) break; }