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Tue, 7 Jul 2026 13:57:32 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id cNWHAMwFTWoFSgAAD6G6ig (envelope-from ); Tue, 07 Jul 2026 13:57:32 +0000 From: Thomas Zimmermann To: lukas@wunner.de, jfalempe@redhat.com, alexander.deucher@amd.com, christian.koenig@amd.com, airlied@gmail.com, simona@ffwll.ch, maarten.lankhorst@linux.intel.com, mripard@kernel.org, jani.nikula@linux.intel.com, joonas.lahtinen@linux.intel.com, rodrigo.vivi@intel.com, tursulin@ursulin.net, lyude@redhat.com, dakr@kernel.org, deller@gmx.de Cc: dri-devel@lists.freedesktop.org, amd-gfx@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, nouveau@lists.freedesktop.org, linux-fbdev@vger.kernel.org, sashiko-reviews@lists.linux.dev, Thomas Zimmermann Subject: [PATCH 05/10] drm/amdgpu: Implement struct vga_switcheroo_client_ops.pre_switch Date: Tue, 7 Jul 2026 15:38:12 +0200 Message-ID: <20260707135724.247562-6-tzimmermann@suse.de> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260707135724.247562-1-tzimmermann@suse.de> References: <20260707135724.247562-1-tzimmermann@suse.de> Precedence: bulk X-Mailing-List: linux-fbdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Flag: NO X-Spamd-Result: default: False [-2.78 / 50.00]; BAYES_HAM(-3.00)[100.00%]; MID_CONTAINS_FROM(1.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; R_MISSING_CHARSET(0.50)[]; NEURAL_HAM_SHORT(-0.18)[-0.912]; MIME_GOOD(-0.10)[text/plain]; TO_MATCH_ENVRCPT_ALL(0.00)[]; FROM_HAS_DN(0.00)[]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; MIME_TRACE(0.00)[0:+]; TO_DN_SOME(0.00)[]; RCPT_COUNT_TWELVE(0.00)[22]; DBL_BLOCKED_OPENRESOLVER(0.00)[imap1.dmz-prg2.suse.org:helo,suse.de:email,suse.de:mid]; FUZZY_RATELIMITED(0.00)[rspamd.com]; FROM_EQ_ENVFROM(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; FREEMAIL_TO(0.00)[wunner.de,redhat.com,amd.com,gmail.com,ffwll.ch,linux.intel.com,kernel.org,intel.com,ursulin.net,gmx.de]; RCVD_TLS_ALL(0.00)[]; R_RATELIMIT(0.00)[to_ip_from(RLq3cifbxyhc6qbbynzfc6amns)]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; FREEMAIL_ENVRCPT(0.00)[gmail.com,gmx.de] X-Spam-Level: X-Spam-Score: -2.78 Call drm_client_dev_acquire_outputs() from vga_switcheroo's pre_switch callback. Pushes fbcon updates from vga_switcheroo into DRM's fbdev emulation. Signed-off-by: Thomas Zimmermann --- drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 78c96c7102e4..87a59a79a019 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -1699,10 +1699,18 @@ static bool amdgpu_switcheroo_can_switch(struct pci_dev *pdev) return atomic_read(&dev->open_count) == 0; } +static void amdgpu_switcheroo_pre_switch(struct pci_dev *pdev) +{ + struct drm_device *dev = pci_get_drvdata(pdev); + + drm_client_dev_acquire_outputs(dev); +} + static const struct vga_switcheroo_client_ops amdgpu_switcheroo_ops = { .set_gpu_state = amdgpu_switcheroo_set_state, .reprobe = NULL, .can_switch = amdgpu_switcheroo_can_switch, + .pre_switch = amdgpu_switcheroo_pre_switch, }; /** -- 2.54.0