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[92.176.231.205]) by smtp.gmail.com with ESMTPSA id k9-20020a5d66c9000000b002bdd7ce63b2sm526804wrw.38.2023.01.12.00.44.47 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 12 Jan 2023 00:44:48 -0800 (PST) Message-ID: <733eb41e-a296-47bb-ce06-18dff755723c@redhat.com> Date: Thu, 12 Jan 2023 09:44:47 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.5.0 Subject: Re: [PATCH 11/11] video/aperture: Only remove sysfb on the default vga pci device Content-Language: en-US To: Thomas Zimmermann , Aaron Plattner , Daniel Vetter , DRI Development Cc: Intel Graphics Development , LKML , Daniel Vetter , Helge Deller , Sam Ravnborg , Alex Deucher , stable@vger.kernel.org References: <20230111154112.90575-1-daniel.vetter@ffwll.ch> <20230111154112.90575-11-daniel.vetter@ffwll.ch> <7b00e592-345f-4dd5-3452-7f6f70fc608a@suse.de> From: Javier Martinez Canillas In-Reply-To: <7b00e592-345f-4dd5-3452-7f6f70fc608a@suse.de> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 1/12/23 08:55, Thomas Zimmermann wrote: [...] >> Thanks Daniel and Javier! >> >> I wasn't able to reproduce the original problem on my hybrid laptop >> since it refuses to boot with the console on an external display, but I >> was able to reproduce it by switching the configuration around: booting >> with i915.modeset=0 and with an experimental version of nvidia-drm that >> registers a framebuffer console. I verified that loading nvidia-drm > > Thank you for testing. > > One thing I'd like to note is that using DRM's fbdev emulation is the > correct way to support a console. Nvidia-drm's current approach of > utilizing efifb is fragile and requires workarounds from distributions > (at least here at SUSE). Steps towards fbdev emulation are much appreciated. > I was meaning to mention the same. Fedora also is carrying a workaround just for the Nvidia proprietary driver since all other drivers provide a emulated fbdev device. So getting this finally fixed will be indeed highly appreciated. -- Best regards, Javier Martinez Canillas Core Platforms Red Hat