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From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Sasha Levin <sashal@kernel.org>,
	Hansen Dsouza <Hansen.Dsouza@amd.com>,
	sunpeng.li@amd.com, dri-devel@lists.freedesktop.org,
	Xinhui.Pan@amd.com, Rodrigo.Siqueira@amd.com,
	amd-gfx@lists.freedesktop.org, christian.koenig@amd.com,
	airlied@linux.ie, Daniel Wheeler <daniel.wheeler@amd.com>,
	Shah Dharati <dharshah@amd.com>,
	Hamza Mahfooz <hamza.mahfooz@amd.com>,
	daniel@ffwll.ch, Alex Deucher <alexander.deucher@amd.com>,
	harry.wentland@amd.com,
	Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Subject: [PATCH AUTOSEL 5.19 025/105] drm/amd/display: Fix monitor flash issue
Date: Thu, 11 Aug 2022 11:27:09 -0400	[thread overview]
Message-ID: <20220811152851.1520029-25-sashal@kernel.org> (raw)
In-Reply-To: <20220811152851.1520029-1-sashal@kernel.org>

From: Shah Dharati <dharshah@amd.com>

[ Upstream commit b840b64bc8ed3fc46f6d6aa7f97c43862a33bea5 ]

[Why & How]
For a some specific monitors, when connected on boot or hot plug,
monitor flash for 1/2 seconds can happen during first HDCP query
operation. Ading some delay in the init sequence for these monitors
fixes the issue, so it is implemented as monitor specific patch.

Co-authored-by: Shah Dharati <dharshah@amd.com>
Reviewed-by: Hansen Dsouza <Hansen.Dsouza@amd.com>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Shah Dharati <dharshah@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_transition.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_transition.c b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_transition.c
index 1f4095b26409..c5f6c11de7e5 100644
--- a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_transition.c
+++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_transition.c
@@ -524,7 +524,7 @@ enum mod_hdcp_status mod_hdcp_hdcp2_dp_transition(struct mod_hdcp *hdcp,
 			set_watchdog_in_ms(hdcp, 3000, output);
 			set_state_id(hdcp, output, D2_A6_WAIT_FOR_RX_ID_LIST);
 		} else {
-			callback_in_ms(0, output);
+			callback_in_ms(1, output);
 			set_state_id(hdcp, output, D2_SEND_CONTENT_STREAM_TYPE);
 		}
 		break;
-- 
2.35.1


  parent reply	other threads:[~2022-08-11 15:32 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20220811152851.1520029-1-sashal@kernel.org>
2022-08-11 15:26 ` [PATCH AUTOSEL 5.19 011/105] drm/amd/display: fix system hang when PSR exits Sasha Levin
2022-08-11 15:26 ` [PATCH AUTOSEL 5.19 012/105] drm/amd/display: Detect dpcd_rev when hotplug mst monitor Sasha Levin
2022-08-11 15:27 ` [PATCH AUTOSEL 5.19 016/105] drm/amd/display: Correct min comp buffer size Sasha Levin
2022-08-11 15:27 ` [PATCH AUTOSEL 5.19 017/105] drm/amd/display: Fix dpp dto for disabled pipes Sasha Levin
2022-08-11 15:27 ` [PATCH AUTOSEL 5.19 018/105] drm/amd/display: Reduce frame size in the bouding box for DCN20 Sasha Levin
2022-08-11 15:27 ` [PATCH AUTOSEL 5.19 019/105] drm/radeon: integer overflow in radeon_mode_dumb_create() Sasha Levin
2022-08-11 15:27 ` [PATCH AUTOSEL 5.19 020/105] drm/radeon: Initialize fences array entries in radeon_sa_bo_next_hole Sasha Levin
2022-08-11 15:27 ` Sasha Levin [this message]
2022-08-11 15:27 ` [PATCH AUTOSEL 5.19 044/105] drm/amdkfd: Free queue after unmap queue success Sasha Levin
2022-08-11 15:27 ` [PATCH AUTOSEL 5.19 045/105] amdgpu/pm: Fix possible array out-of-bounds if SCLK levels != 2 Sasha Levin
2022-08-11 15:27 ` [PATCH AUTOSEL 5.19 052/105] drm/amdgpu/display/dc: Fix null pointer exception Sasha Levin
2022-08-11 15:27 ` [PATCH AUTOSEL 5.19 057/105] drm/amdgpu: skip whole ras bad page framework on sriov Sasha Levin
2022-08-11 15:27 ` [PATCH AUTOSEL 5.19 058/105] drm/amd/display: Guard against ddc_pin being NULL for AUX Sasha Levin
2022-08-11 15:27 ` [PATCH AUTOSEL 5.19 059/105] drm/amd/display: Fix dmub soft hang for PSR 1 Sasha Levin
2022-08-11 15:27 ` [PATCH AUTOSEL 5.19 060/105] drm/amd/display: disable otg toggle w/a on boot Sasha Levin
2022-08-11 15:27 ` [PATCH AUTOSEL 5.19 064/105] drm/amdgpu: Fix one list corruption when create queue fails Sasha Levin
2022-08-11 15:27 ` [PATCH AUTOSEL 5.19 070/105] drm/amdgpu: fix file permissions on some files Sasha Levin
2022-08-11 15:27 ` [PATCH AUTOSEL 5.19 075/105] drm/amdgpu: Call trace info was found in dmesg when loading amdgpu Sasha Levin
2022-08-11 15:28 ` [PATCH AUTOSEL 5.19 091/105] drm/amdkfd: Correct mmu_notifier_get failure handling Sasha Levin
2022-08-11 15:28 ` [PATCH AUTOSEL 5.19 092/105] drm/amdkfd: Process notifier release callback don't take mutex Sasha Levin

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