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From: Krzysztof Kozlowski <krzk@kernel.org>
To: Nabige Aala <nabige.aala@oss.qualcomm.com>
Cc: Vinod Koul <vkoul@kernel.org>,
	 Neil Armstrong <neil.armstrong@linaro.org>,
	Manivannan Sadhasivam <mani@kernel.org>,
	 Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	 Conor Dooley <conor+dt@kernel.org>,
	Bjorn Andersson <andersson@kernel.org>,
	 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>,
	 Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
	Maxime Ripard <mripard@kernel.org>,
	 Thomas Zimmermann <tzimmermann@suse.de>,
	David Airlie <airlied@gmail.com>,
	 Simona Vetter <simona@ffwll.ch>,
	Kuogee Hsieh <quic_khsieh@quicinc.com>,
	 Shawn Guo <shengchao.guo@oss.qualcomm.com>,
	linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org,
	 devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
	dri-devel@lists.freedesktop.org,
	 freedreno@lists.freedesktop.org,
	Ritesh Kumar <ritesh.kumar@oss.qualcomm.com>,
	 Mahadevan P <mahadevan.p@oss.qualcomm.com>
Subject: Re: [PATCH v2 02/13] dt-bindings: display: msm: Document the Nord DiplayPort controller
Date: Tue, 13 Oct 2026 09:44:15 +0200	[thread overview]
Message-ID: <20261013-tangible-wakeful-swift-a38f8f@quoll> (raw)
In-Reply-To: <20261012-nord-drv-dt-v2-2-a2ab9af954d2@oss.qualcomm.com>

On Mon, Oct 12, 2026 at 07:02:12PM +0530, Nabige Aala wrote:
> From: Mahadevan P <mahadevan.p@oss.qualcomm.com>
> 
> Nord uses MDSS 12.1 with two independent DP controller instances,
> each exposing two DP cores at new IO offsets. None of the existing
> compatibles match this layout, so add qcom,nord-dp.
> 
> Signed-off-by: Mahadevan P <mahadevan.p@oss.qualcomm.com>
> Signed-off-by: Nabige Aala <nabige.aala@oss.qualcomm.com>

Do I understand correctly:
Device is fully compatible with qcom,sa8775p-dp, but a simple to fix
driver limitation is preventing compatibility?

If so, let's fix the driver - just add more addresses to the
msm_dp_desc_sa8775p array?


Best regards,
Krzysztof


  reply	other threads:[~2026-10-13  7:44 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-10-12 13:32 [PATCH v2 00/13] Add Qualcomm Nord display and eDP PHY support Nabige Aala
2026-10-12 13:32 ` [PATCH v2 01/13] dt-bindings: phy: qcom,edp-phy: Add DP PHY compatible for Nord Nabige Aala
2026-10-13  7:37   ` Krzysztof Kozlowski
2026-10-12 13:32 ` [PATCH v2 02/13] dt-bindings: display: msm: Document the Nord DiplayPort controller Nabige Aala
2026-10-13  7:44   ` Krzysztof Kozlowski [this message]
2026-10-13  8:48     ` Krzysztof Kozlowski
2026-10-12 13:32 ` [PATCH v2 03/13] dt-bindings: display/msm: Document Nord MDSS Nabige Aala
2026-10-12 13:45   ` sashiko-bot
2026-10-13  8:48   ` Krzysztof Kozlowski
2026-10-12 13:32 ` [PATCH v2 04/13] drm/msm/dpu: Add support for DPU 12.1 on Nord Nabige Aala
2026-10-13  9:28   ` Dmitry Baryshkov
2026-10-12 13:32 ` [PATCH v2 05/13] drm/msm: mdss: Add support for MDSS " Nabige Aala
2026-10-12 13:32 ` [PATCH v2 06/13] drm/msm/dp: Add support for DP controllers " Nabige Aala
2026-10-12 13:47   ` sashiko-bot
2026-10-12 14:01   ` Konrad Dybcio
2026-10-13  9:18   ` Dmitry Baryshkov
2026-10-12 13:32 ` [PATCH v2 07/13] phy: qcom: edp: Add Nord-specific register offsets Nabige Aala
2026-10-13  8:43   ` Abel Vesa
2026-10-13 10:19   ` Dmitry Baryshkov
2026-10-12 13:32 ` [PATCH v2 08/13] phy: qcom: edp: Generalize power-on path for per-SoC overrides Nabige Aala
2026-10-12 13:46   ` sashiko-bot
2026-10-13 10:26   ` Dmitry Baryshkov
2026-10-12 13:32 ` [PATCH v2 09/13] phy: qcom: edp: Add Nord voltage-swing and pre-emphasis tables Nabige Aala
2026-10-13  8:44   ` Abel Vesa
2026-10-13 10:27   ` Dmitry Baryshkov
2026-10-12 13:32 ` [PATCH v2 10/13] phy: qcom: edp: Add Nord spread-spectrum clocking configuration callback Nabige Aala
2026-10-13  8:47   ` Abel Vesa
2026-10-13 10:28   ` Dmitry Baryshkov
2026-10-12 13:32 ` [PATCH v2 11/13] phy: qcom: edp: Add Nord PLL " Nabige Aala
2026-10-12 13:32 ` [PATCH v2 12/13] phy: qcom: edp: Add Nord PHY configuration data tables Nabige Aala
2026-10-12 13:43   ` sashiko-bot
2026-10-13 10:33   ` Dmitry Baryshkov
2026-10-12 13:32 ` [PATCH v2 13/13] phy: qcom: edp: Add Nord phy_cfg, ops and OF compatible Nabige Aala
2026-10-12 13:44   ` sashiko-bot

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