[PATCH 24/25] drm/amd/display: Clean index in irq init loop

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From: Andrey Grodzovsky <Andrey.Grodzovsky@xxxxxxx>

Change-Id: Iaf1b717863c59810657e66835468628acf3aee4c
Signed-off-by: Andrey Grodzovsky <Andrey.Grodzovsky at amd.com>
Acked-by: Harry Wentland <Harry.Wentland at amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng at amd.com>
Reviewed-by: Jordan Lazare <Jordan.Lazare at amd.com>
---
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index a33e339991ec..f066e2207b5e 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -1033,8 +1033,8 @@ static int dce110_register_irq_handlers(struct amdgpu_device *adev)
 	 *    for acknowledging and handling. */
 
 	/* Use VBLANK interrupt */
-	for (i = 0; i < adev->mode_info.num_crtc; i++) {
-		r = amdgpu_irq_add_id(adev, i+1, &adev->crtc_irq);
+	for (i = 1; i <= adev->mode_info.num_crtc; i++) {
+		r = amdgpu_irq_add_id(adev, i, &adev->crtc_irq);
 
 		if (r) {
 			DRM_ERROR("Failed to add crtc irq id!\n");
@@ -1043,7 +1043,7 @@ static int dce110_register_irq_handlers(struct amdgpu_device *adev)
 
 		int_params.int_context = INTERRUPT_HIGH_IRQ_CONTEXT;
 		int_params.irq_source =
-			dc_interrupt_to_irq_source(dc, i+1, 0);
+			dc_interrupt_to_irq_source(dc, i, 0);
 
 		c_irq_params = &adev->dm.vblank_params[int_params.irq_source - DC_IRQ_SOURCE_VBLANK1];
 
@@ -1054,6 +1054,7 @@ static int dce110_register_irq_handlers(struct amdgpu_device *adev)
 				dm_crtc_high_irq, c_irq_params);
 	}
 
+	/* Use GRPH_PFLIP interrupt */
 	for (i = VISLANDS30_IV_SRCID_D1_GRPH_PFLIP;
 			i <= VISLANDS30_IV_SRCID_D6_GRPH_PFLIP; i += 2) {
 		r = amdgpu_irq_add_id(adev, i, &adev->pageflip_irq);
-- 
2.9.3



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