drm/amd/display: Fix hotplug after s3 resume.

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

Signed-off-by: Roman Li <Roman.Li@amd.com>
Reviewed-by: Mikita Lipski <Mikita.Lipski@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Roman Li 2017-09-27 17:57:37 -04:00 committed by Alex Deucher
parent 6a2b691f09
commit 9668727555

View File

@ -462,7 +462,7 @@ 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))
@ -488,7 +488,7 @@ 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))