[PATCH 29/50] drm/amd/display: Re-enable panel replay feature

[Leo Li]

On 2024-07-10 15:36, Fangzhi Zuo wrote:
> From: Tom Chung <chiahsuan.chung at amd.com>
> 
> [Why & How]
> Fixed the replay issues and now re-enable the panel replay feature.
> 
> Reported-by: Arthur Borsboom <arthurborsboom at gmail.com>
> Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3344
> 
> Reviewed-by: Mario Limonciello <mario.limonciello at amd.com>
> Reviewed-by: Rodrigo Siqueira <rodrigo.siqueira at amd.com>
> Signed-off-by: Jerry Zuo <jerry.zuo at amd.com>
> Signed-off-by: Tom Chung <chiahsuan.chung at amd.com>

Hi Jerry,

Please drop this patch as there's a known PSR SU regression caused by a patch 
that originally fixed the aforementioned replay issue.

Thanks,
Leo

> ---
>   .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 20 ++++++++-----------
>   1 file changed, 8 insertions(+), 12 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 fe5a96e5c70a..864a66406f8a 100644
> --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> @@ -4836,18 +4836,14 @@ static int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev)
>   	/* Determine whether to enable Replay support by default. */
>   	if (!(amdgpu_dc_debug_mask & DC_DISABLE_REPLAY)) {
>   		switch (amdgpu_ip_version(adev, DCE_HWIP, 0)) {
> -/*
> - * Disabled by default due to https://gitlab.freedesktop.org/drm/amd/-/issues/3344
> - *		case IP_VERSION(3, 1, 4):
> - *		case IP_VERSION(3, 1, 5):
> - *		case IP_VERSION(3, 1, 6):
> - *		case IP_VERSION(3, 2, 0):
> - *		case IP_VERSION(3, 2, 1):
> - *		case IP_VERSION(3, 5, 0):
> - *		case IP_VERSION(3, 5, 1):
> - *			replay_feature_enabled = true;
> - *			break;
> - */
> +		case IP_VERSION(3, 1, 4):
> +		case IP_VERSION(3, 2, 0):
> +		case IP_VERSION(3, 2, 1):
> +		case IP_VERSION(3, 5, 0):
> +		case IP_VERSION(3, 5, 1):
> +			replay_feature_enabled = true;
> +			break;
> +
>   		default:
>   			replay_feature_enabled = amdgpu_dc_feature_mask & DC_REPLAY_MASK;
>   			break;