drm/amdgpu: remove unused display_vblank_wait interface

No longer used since we changed the MC programming sequence.

Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 0 insertions, 61 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c
index 8161b6579715..7ea900010702 100644
--- a/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c
@@ -190,66 +190,6 @@ static void dce_v10_0_audio_endpt_wreg(struct amdgpu_device *adev,
 	spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
 }
 
-static bool dce_v10_0_is_in_vblank(struct amdgpu_device *adev, int crtc)
-{
-	if (RREG32(mmCRTC_STATUS + crtc_offsets[crtc]) &
-	    CRTC_STATUS__CRTC_V_BLANK_MASK)
-		return true;
-	else
-		return false;
-}
-
-static bool dce_v10_0_is_counter_moving(struct amdgpu_device *adev, int crtc)
-{
-	u32 pos1, pos2;
-
-	pos1 = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
-	pos2 = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
-
-	if (pos1 != pos2)
-		return true;
-	else
-		return false;
-}
-
-/**
- * dce_v10_0_vblank_wait - vblank wait asic callback.
- *
- * @adev: amdgpu_device pointer
- * @crtc: crtc to wait for vblank on
- *
- * Wait for vblank on the requested crtc (evergreen+).
- */
-static void dce_v10_0_vblank_wait(struct amdgpu_device *adev, int crtc)
-{
-	unsigned i = 100;
-
-	if (crtc >= adev->mode_info.num_crtc)
-		return;
-
-	if (!(RREG32(mmCRTC_CONTROL + crtc_offsets[crtc]) & CRTC_CONTROL__CRTC_MASTER_EN_MASK))
-		return;
-
-	/* depending on when we hit vblank, we may be close to active; if so,
-	 * wait for another frame.
-	 */
-	while (dce_v10_0_is_in_vblank(adev, crtc)) {
-		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) {
-			i = 0;
-			if (!dce_v10_0_is_counter_moving(adev, crtc))
-				break;
-		}
-	}
-}
-
 static u32 dce_v10_0_vblank_get_counter(struct amdgpu_device *adev, int crtc)
 {
 	if (crtc >= adev->mode_info.num_crtc)
@@ -3602,7 +3542,6 @@ static void dce_v10_0_encoder_add(struct amdgpu_device *adev,
 static const struct amdgpu_display_funcs dce_v10_0_display_funcs = {
 	.bandwidth_update = &dce_v10_0_bandwidth_update,
 	.vblank_get_counter = &dce_v10_0_vblank_get_counter,
-	.vblank_wait = &dce_v10_0_vblank_wait,
 	.backlight_set_level = &amdgpu_atombios_encoder_set_backlight_level,
 	.backlight_get_level = &amdgpu_atombios_encoder_get_backlight_level,
 	.hpd_sense = &dce_v10_0_hpd_sense,