Attachment 143225 Details for Bug 107978 – Patch for fixing MST reboot/poweroff sequence

[patch] Patch for fixing MST reboot/poweroff sequence

0001-drm-amd-display-Fix-MST-reboot-poweroff-sequence.patch (text/plain), 1.18 KB, created by Jerry Zuo on 2019-01-24 17:59:15 UTC

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Creator: Jerry Zuo

Created: 2019-01-24 17:59:15 UTC

Size: 1.18 KB

patch

obsolete

>From b3da03f65f8477a55250ba73f956e57687a6ec91 Mon Sep 17 00:00:00 2001
>From: "Jerry (Fangzhi) Zuo" <Jerry.Zuo@amd.com>
>Date: Thu, 24 Jan 2019 11:51:08 -0500
>Subject: [PATCH] drm/amd/display: Fix MST reboot/poweroff sequence
>
>Need to finish all the sideband msgs before suppressing UP request
>
>Signed-off-by: Jerry (Fangzhi) Zuo <Jerry.Zuo@amd.com>
>---
> drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 6 +++---
> 1 file changed, 3 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 5298a1336b38..fb0c4fc45bf8 100644
>--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
>+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
>@@ -786,13 +786,13 @@ static int dm_suspend(void *handle)
> 	struct amdgpu_display_manager *dm = &adev->dm;
> 	int ret = 0;
> 
>+	WARN_ON(adev->dm.cached_state);
>+	adev->dm.cached_state = drm_atomic_helper_suspend(adev->ddev);
>+
> 	s3_handle_mst(adev->ddev, true);
> 
> 	amdgpu_dm_irq_suspend(adev);
> 
>-	WARN_ON(adev->dm.cached_state);
>-	adev->dm.cached_state = drm_atomic_helper_suspend(adev->ddev);
>-
> 	dc_set_power_state(dm->dc, DC_ACPI_CM_POWER_STATE_D3);
> 
> 	return ret;
>-- 
>2.14.1
>

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Attachments on bug 107978: 141960 | 142834 | 142835 | 143225

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