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From: Sasha Levin <sashal@kernel.org>
To: stable@vger.kernel.org
Cc: "Timur Kristóf" <timur.kristof@gmail.com>,
	"Mario Limonciello" <mario.limonciello@amd.com>,
	"Alex Deucher" <alexander.deucher@amd.com>,
	"Sasha Levin" <sashal@kernel.org>
Subject: [PATCH 5.15.y] drm/amd/display: Mark DCE 6.4 as not APU
Date: Mon,  5 Oct 2026 09:48:31 -0400	[thread overview]
Message-ID: <20261005134757.2955234-1-sashal@kernel.org> (raw)
In-Reply-To: <2026100516-threefold-charter-2aab@gregkh>

From: Timur Kristóf <timur.kristof@gmail.com>

[ Upstream commit 3a52d587d1fc8e8bf94ba1b07374f7ec91aaffb4 ]

DCE 6.4 is found in Oland chips, which were advertised
as low-end gaming GPUs in 2013~2015 and then have been
sold as low-end workstation GPUs until 2017~2019.

These are not APUs.

Fixes: 7c15fd86aaec ("drm/amd/display: dc/dce: add initial DCE6 support (v10)")
Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Link: https://patch.msgid.link/20260923122033.1046651-3-timur.kristof@gmail.com
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 1072aa811ea1e61d5f763e4ec1bc6d24bb61f14a)
Cc: stable@vger.kernel.org
[ sashal: adjusted context in dce64_construct() for missing debug and configuration default assignments ]
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/gpu/drm/amd/display/dc/dce60/dce60_resource.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dce60/dce60_resource.c b/drivers/gpu/drm/amd/display/dc/dce60/dce60_resource.c
index bf72d3f60d7f4..6a5c8a4cc32e4 100644
--- a/drivers/gpu/drm/amd/display/dc/dce60/dce60_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dce60/dce60_resource.c
@@ -1354,7 +1354,6 @@ static bool dce64_construct(
 	dc->caps.max_downscale_ratio = 200;
 	dc->caps.i2c_speed_in_khz = 40;
 	dc->caps.max_cursor_size = 64;
-	dc->caps.is_apu = true;
 
 	/*************************************************
 	 *  Create resources                             *
-- 
2.53.0


      reply	other threads:[~2026-10-05 13:48 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-10-05  8:07 FAILED: patch "[PATCH] drm/amd/display: Mark DCE 6.4 as not APU" failed to apply to 5.15-stable tree gregkh
2026-10-05 13:48 ` Sasha Levin [this message]

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