diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2519-drm-amd-display-Fix-hotplug-after-s3-resume.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2519-drm-amd-display-Fix-hotplug-after-s3-resume.patch | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2519-drm-amd-display-Fix-hotplug-after-s3-resume.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2519-drm-amd-display-Fix-hotplug-after-s3-resume.patch new file mode 100644 index 00000000..c2af9999 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2519-drm-amd-display-Fix-hotplug-after-s3-resume.patch @@ -0,0 +1,40 @@ +From 0f88a283967814294dcb1378780bfb9b6b44fb15 Mon Sep 17 00:00:00 2001 +From: Roman Li <Roman.Li@amd.com> +Date: Wed, 27 Sep 2017 17:57:37 -0400 +Subject: [PATCH 2519/4131] 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> +--- + 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 c73fb3c..fe2932b 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 +@@ -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)) +-- +2.7.4 + |