From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id F144F3CD198; Sat, 28 Feb 2026 17:40:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772300404; cv=none; b=Xd8Ceur94MpEfaustC7zZ2hEfxaOjNzf7AlRc0pfA/JrsV8dWkJK1clrz756gUV1e50/quJ3DUKAfErt/i1W4ZS4cXt4nQ5MF8D4ldmkq+n/jMX0LXnftU9RoNsZnBwJfIL7n3wparACiQL8xO35F2XGu2qnWqYR4FFThzJC4EY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772300404; c=relaxed/simple; bh=JhcK1gvo4yTmYegjrZ9t6Zk3+B0vjGYbIhz1HG6nqHU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=u6ZVBvV1EzFzdNK/LgyDR8YyFX+QUHWQe29t/Qx2iIf9QqrkIL7C/21pkjnQbF0mLonMk5jF6sEZralBb9tfjlJXOcK+hlU8om/5LnHSzKzcJTkDYphakRxTIyz5rRNVNJ9m47g3RbLU90WoRxGgQ2zCXje9v8wK2/J9vA3dyog= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=D0cQjw+M; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="D0cQjw+M" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0A790C2BC9E; Sat, 28 Feb 2026 17:40:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772300403; bh=JhcK1gvo4yTmYegjrZ9t6Zk3+B0vjGYbIhz1HG6nqHU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=D0cQjw+M4SGS2M23tZBwIT0EXBVL81jl8q6+FhJrbMjY5wKibDBlAe5oetVc/1DwN Tige9pIaGuAQJ8AeNBN6x9eOzvhY5b+prhGCGa5Yzl6bY8QBnr+I5dt/zu/BSOimrY U++8UsBnSwR7VFkXYvTnVL0fRUUGRGc31BRXwV4k9DC2wJTrCiObGatdA4R1/gCQpQ K2QgBqBvT+4vxgcq3dJMX521aGGnG7TtyctdunGzWK+nanRSfm/vIDCpsuOZOagSNz wxgCrFTS6SqfcK3XK2OQ+yaQLsRbv+XD5clO4Rot7gxZS4q/6m/2Q+6unkVYt+rsez AEpm8Re2DcBCA== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Alex Hung , Aurabindo Pillai , Ray Wu , Daniel Wheeler , Alex Deucher , Sasha Levin Subject: [PATCH 6.19 441/844] drm/amd/display: Remove conditional for shaper 3DLUT power-on Date: Sat, 28 Feb 2026 12:25:54 -0500 Message-ID: <20260228173244.1509663-442-sashal@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260228173244.1509663-1-sashal@kernel.org> References: <20260228173244.1509663-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit From: Alex Hung [ Upstream commit 1b38a87b8f8020e8ef4563e7752a64182b5a39b9 ] [Why] Shaper programming has high chance to fail on first time after power-on or reboot. This can be verified by running IGT's kms_colorop. [How] Always power on the shaper and 3DLUT before programming by removing the debug flag of low power mode. Reviewed-by: Aurabindo Pillai Signed-off-by: Alex Hung Signed-off-by: Ray Wu Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/display/dc/mpc/dcn32/dcn32_mpc.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/mpc/dcn32/dcn32_mpc.c b/drivers/gpu/drm/amd/display/dc/mpc/dcn32/dcn32_mpc.c index 83bbbf34bcac7..badcef027b846 100644 --- a/drivers/gpu/drm/amd/display/dc/mpc/dcn32/dcn32_mpc.c +++ b/drivers/gpu/drm/amd/display/dc/mpc/dcn32/dcn32_mpc.c @@ -724,8 +724,7 @@ bool mpc32_program_shaper( return false; } - if (mpc->ctx->dc->debug.enable_mem_low_power.bits.mpc) - mpc32_power_on_shaper_3dlut(mpc, mpcc_id, true); + mpc32_power_on_shaper_3dlut(mpc, mpcc_id, true); current_mode = mpc32_get_shaper_current(mpc, mpcc_id); -- 2.51.0