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Mon, 13 Apr 2026 10:17:03 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ixit.cz; s=dkim; t=1776068224; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:autocrypt:autocrypt; bh=0KwWnYR8e3PKcMWArOP3UV8ag37GKohJM3tgmaTNYJk=; b=2L12eBdG3ZbfIN3d6AuSEvfk5mxazGg+xFsnCkaWwbI9zVsimLb/UlkwJGqmOELBCsZQYl +ROBG/EaXNAsl3S2UvVQ/D7sdHteaCe/HO5OULQZe+C75ng+I/TKHWUnBlRugeNFG14e0i c8Tcn5rhlfWCB1ps9NLqX1qWGyNWFfg= Message-ID: <5052e220-1d57-4f9d-bcb0-78e5ef8545ce@ixit.cz> Date: Mon, 13 Apr 2026 10:17:02 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] drm/panel: hx83121a: select DRM_DISPLAY_DSC_HELPER To: Arnd Bergmann , Neil Armstrong , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Pengyu Luo Cc: Arnd Bergmann , Jessica Zhang , Dmitry Baryshkov , Svyatoslav Ryhel , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org References: <20260413071043.3829868-1-arnd@kernel.org> Content-Language: en-US From: David Heidelberg Autocrypt: addr=david@ixit.cz; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" On 13/04/2026 09:10, Arnd Bergmann wrote: > From: Arnd Bergmann > > Like a number of other panel drivers, this newly merged driver > needs DRM_DISPLAY_DSC_HELPER to be enabled: > > arm-linux-gnueabi-ld: drivers/gpu/drm/panel/panel-himax-hx83121a.o: in function `himax_prepare': > panel-himax-hx83121a.c:(.text+0x1024): undefined reference to `drm_dsc_pps_payload_pack' > > Fixes: a7c61963b727 ("drm/panel: Add Himax HX83121A panel driver") > Signed-off-by: Arnd Bergmann > --- > drivers/gpu/drm/panel/Kconfig | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig > index cc8c8a066bb9..ce6098c0343a 100644 > --- a/drivers/gpu/drm/panel/Kconfig > +++ b/drivers/gpu/drm/panel/Kconfig > @@ -208,6 +208,7 @@ config DRM_PANEL_HIMAX_HX83121A > depends on OF > depends on DRM_MIPI_DSI > depends on BACKLIGHT_CLASS_DEVICE > + select DRM_DISPLAY_DSC_HELPER > select DRM_KMS_HELPER > help > Say Y here if you want to enable support for Himax HX83121A-based Reviewed-by: David Heidelberg