From: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
To: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>,
Rob Clark <robin.clark@oss.qualcomm.com>,
Dmitry Baryshkov <lumag@kernel.org>,
Abhinav Kumar <abhinav.kumar@linux.dev>,
Jessica Zhang <jesszhan0024@gmail.com>,
Sean Paul <sean@poorly.run>,
Marijn Suijten <marijn.suijten@somainline.org>,
David Airlie <airlied@gmail.com>, Simona Vetter <simona@ffwll.ch>
Cc: linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org,
freedreno@lists.freedesktop.org, linux-kernel@vger.kernel.org,
Abhinav Kumar <quic_abhinavk@quicinc.com>,
Yongxing Mou <yongxing.mou@oss.qualcomm.com>
Subject: Re: [PATCH] drm/msm/dpu: correct DP MST interface configuration
Date: Wed, 25 Mar 2026 10:57:16 +0100 [thread overview]
Message-ID: <3f33e61e-d244-4600-9ffe-218371c04541@oss.qualcomm.com> (raw)
In-Reply-To: <20260325-fix-dp-mst-interfaces-v1-1-186d1de3fa1b@oss.qualcomm.com>
On 3/25/26 6:32 AM, Dmitry Baryshkov wrote:
> Due to historical reasons we ended up with dummy values being specified
> for MST-related interfaces some of them had INTF_NONE, others had
> non-existing DP controller indices. Those workarounds are no longer
> necessary. Fix types and indices for all DP-MST related INTF instances.
>
> The only exception is INTF_3 on SC8180X, which has unique design. It can
> be used either with INTF_0 / DP0 or with INTF_4 / DP1. This interface is
> left with the dummy value until somebody implements necessary bits for
> that platform.
>
> Co-developed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
> Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
> Signed-off-by: Yongxing Mou <yongxing.mou@oss.qualcomm.com>
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
> ---
> .name = "intf_8", .id = INTF_8,
> .base = 0x3c000, .len = 0x280,
> - .type = INTF_NONE,
> - .controller_id = MSM_DP_CONTROLLER_1,
> + .type = INTF_DP,
> + .controller_id = MSM_DP_CONTROLLER_1, /* pair with intf_8 for DP MST */
with intf_4
Konrad
next prev parent reply other threads:[~2026-03-25 9:57 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-25 5:32 [PATCH] drm/msm/dpu: correct DP MST interface configuration Dmitry Baryshkov
2026-03-25 9:57 ` Konrad Dybcio [this message]
2026-03-25 10:00 ` Konrad Dybcio
2026-04-06 23:42 ` Dmitry Baryshkov
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