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From: Andrey Grodzovsky <Andrey.Grodzovsky@amd.com>
Date: Thu, 23 Mar 2017 15:30:35 -0400
Subject: drm/amd/display: use CRTC_VERTICAL_INTERRUPT0 as a trigger for VBLANK.
Git-commit: e902915507bd20115e1e21bc99ea36ea7986cebc
Patch-mainline: v4.15-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166

Register ISR hnadler on the new interrupt.

Signed-off-by: Andrey Grodzovsky <Andrey.Grodzovsky@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Reviewed-by: Andrey Grodzovsky <Andrey.Grodzovsky@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -907,9 +907,8 @@ static int dce110_register_irq_handlers(
 	 *    for acknowledging and handling. */
 
 	/* Use VBLANK interrupt */
-	for (i = 1; i <= adev->mode_info.num_crtc; i++) {
+	for (i = VISLANDS30_IV_SRCID_D1_VERTICAL_INTERRUPT0; i <= VISLANDS30_IV_SRCID_D6_VERTICAL_INTERRUPT0; i++) {
 		r = amdgpu_irq_add_id(adev, client_id, i, &adev->crtc_irq);
-
 		if (r) {
 			DRM_ERROR("Failed to add crtc irq id!\n");
 			return r;