From e37e4f057b47ff1e502799062f8ab30156e54bd3 Mon Sep 17 00:00:00 2001 From: Tom St Denis Date: Thu, 22 Sep 2016 10:01:00 -0400 Subject: [PATCH] drm/amd/amdgpu: Remove division from vblank_wait Removes division from vblank_wait for DCE v6, v8, and v10. Was already implemented for v11. Signed-off-by: Tom St Denis Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/dce_v10_0.c | 8 +++++--- drivers/gpu/drm/amd/amdgpu/dce_v6_0.c | 8 +++++--- drivers/gpu/drm/amd/amdgpu/dce_v8_0.c | 8 +++++--- 3 files changed, 15 insertions(+), 9 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c index db6e6c3eaae2..9a63d7766604 100644 --- a/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c +++ b/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c @@ -221,7 +221,7 @@ static bool dce_v10_0_is_counter_moving(struct amdgpu_device *adev, int crtc) */ static void dce_v10_0_vblank_wait(struct amdgpu_device *adev, int crtc) { - unsigned i = 0; + unsigned i = 100; if (crtc >= adev->mode_info.num_crtc) return; @@ -233,14 +233,16 @@ static void dce_v10_0_vblank_wait(struct amdgpu_device *adev, int crtc) * wait for another frame. */ while (dce_v10_0_is_in_vblank(adev, crtc)) { - if (i++ % 100 == 0) { + if (i++ == 100) { + i = 0; if (!dce_v10_0_is_counter_moving(adev, crtc)) break; } } while (!dce_v10_0_is_in_vblank(adev, crtc)) { - if (i++ % 100 == 0) { + if (i++ == 100) { + i = 0; if (!dce_v10_0_is_counter_moving(adev, crtc)) break; } diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c index c8380f030400..c866185fd091 100644 --- a/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c +++ b/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c @@ -146,7 +146,7 @@ static bool dce_v6_0_is_counter_moving(struct amdgpu_device *adev, int crtc) */ static void dce_v6_0_vblank_wait(struct amdgpu_device *adev, int crtc) { - unsigned i = 0; + unsigned i = 100; if (crtc >= adev->mode_info.num_crtc) return; @@ -158,14 +158,16 @@ static void dce_v6_0_vblank_wait(struct amdgpu_device *adev, int crtc) * wait for another frame. */ while (dce_v6_0_is_in_vblank(adev, crtc)) { - if (i++ % 100 == 0) { + if (i++ == 100) { + i = 0; if (!dce_v6_0_is_counter_moving(adev, crtc)) break; } } while (!dce_v6_0_is_in_vblank(adev, crtc)) { - if (i++ % 100 == 0) { + if (i++ == 100) { + i = 0; if (!dce_v6_0_is_counter_moving(adev, crtc)) break; } diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c index 845a30b03cb4..3e1e3d0a850e 100644 --- a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c @@ -170,7 +170,7 @@ static bool dce_v8_0_is_counter_moving(struct amdgpu_device *adev, int crtc) */ static void dce_v8_0_vblank_wait(struct amdgpu_device *adev, int crtc) { - unsigned i = 0; + unsigned i = 100; if (crtc >= adev->mode_info.num_crtc) return; @@ -182,14 +182,16 @@ static void dce_v8_0_vblank_wait(struct amdgpu_device *adev, int crtc) * wait for another frame. */ while (dce_v8_0_is_in_vblank(adev, crtc)) { - if (i++ % 100 == 0) { + if (i++ == 100) { + i = 0; if (!dce_v8_0_is_counter_moving(adev, crtc)) break; } } while (!dce_v8_0_is_in_vblank(adev, crtc)) { - if (i++ % 100 == 0) { + if (i++ == 100) { + i = 0; if (!dce_v8_0_is_counter_moving(adev, crtc)) break; } -- 2.11.0