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Commit 9e4e1ae8 authored by Tom St Denis's avatar Tom St Denis Committed by Alex Deucher
Browse files

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: default avatarTom St Denis <tom.stdenis@amd.com>
Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 691ca86a

drivers/gpu/drm/amd/amdgpu/dce_v11_0.c

+5 −3
Original line number Diff line number Diff line
@@ -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;

		}