[PATCH 056/103] drm/amd/display: Fix hotplug after s3 resume.

[Harry Wentland]

From: Roman Li <Roman.Li at amd.com>

On S3 resume the HPD6 irq source was not reenabled
due to loop boundary bug.

Signed-off-by: Roman Li <Roman.Li at amd.com>
Reviewed-by: Mikita Lipski <Mikita.Lipski at amd.com>
Acked-by: Harry Wentland <Harry.Wentland at amd.com>
---
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c
index 22d41d35249e..c438ed09f52f 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c
@@ -535,7 +535,7 @@ int amdgpu_dm_irq_resume_early(struct amdgpu_device *adev)
 	DRM_DEBUG_KMS("DM_IRQ: early resume\n");
 
 	/* re-enable short pulse interrupts HW interrupt */
-	for (src = DC_IRQ_SOURCE_HPD1RX; src < DC_IRQ_SOURCE_HPD6RX + 1; src++) {
+	for (src = DC_IRQ_SOURCE_HPD1RX; src <= DC_IRQ_SOURCE_HPD6RX + 1; src++) {
 		hnd_list_l = &adev->dm.irq_handler_list_low_tab[src].head;
 		hnd_list_h = &adev->dm.irq_handler_list_high_tab[src];
 		if (!list_empty(hnd_list_l) || !list_empty(hnd_list_h))
@@ -561,7 +561,7 @@ int amdgpu_dm_irq_resume_late(struct amdgpu_device *adev)
 	 * Renable HW interrupt  for HPD and only since FLIP and VBLANK
 	 * will be enabled from manage_dm_interrupts on enable CRTC.
 	 */
-	for (src = DC_IRQ_SOURCE_HPD1; src < DC_IRQ_SOURCE_HPD6; src++) {
+	for (src = DC_IRQ_SOURCE_HPD1; src <= DC_IRQ_SOURCE_HPD6; src++) {
 		hnd_list_l = &adev->dm.irq_handler_list_low_tab[src].head;
 		hnd_list_h = &adev->dm.irq_handler_list_high_tab[src];
 		if (!list_empty(hnd_list_l) || !list_empty(hnd_list_h))
-- 
2.14.1