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([2405:6580:83a0:7600:6e93:a15a:9134:ae1f]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-b2fe1643e9esm1651732a12.25.2025.06.13.06.20.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 13 Jun 2025 06:20:53 -0700 (PDT) From: Ryosuke Yasuoka To: kraxel@redhat.com, maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de, airlied@gmail.com, simona@ffwll.ch, jfalempe@redhat.com Cc: Ryosuke Yasuoka , virtualization@lists.linux.dev, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org Subject: [PATCH drm-next] drm/bochs: Add support for drm_panic Date: Fri, 13 Jun 2025 22:20:14 +0900 Message-ID: <20250613132023.106946-1-ryasuoka@redhat.com> X-Mailer: git-send-email 2.49.0 Precedence: bulk X-Mailing-List: virtualization@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: oMRVcB2WMYJkeQ00mgTfUXPbH7L_MJGpaoTi9yXb1g8_1749820855 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: 8bit content-type: text/plain; charset="US-ASCII"; x-default=true Add drm_panic moudle for bochs drm so that panic screen can be displayed on panic. Signed-off-by: Ryosuke Yasuoka --- drivers/gpu/drm/tiny/bochs.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/drivers/gpu/drm/tiny/bochs.c b/drivers/gpu/drm/tiny/bochs.c index 8706763af8fb..ed42ad5c4927 100644 --- a/drivers/gpu/drm/tiny/bochs.c +++ b/drivers/gpu/drm/tiny/bochs.c @@ -19,6 +19,7 @@ #include #include #include +#include #include #include @@ -469,10 +470,28 @@ static void bochs_primary_plane_helper_atomic_update(struct drm_plane *plane, bochs_hw_setformat(bochs, fb->format); } +static int bochs_primary_plane_helper_get_scanout_buffer(struct drm_plane *plane, + struct drm_scanout_buffer *sb) +{ + struct bochs_device *bochs = to_bochs_device(plane->dev); + struct iosys_map map = IOSYS_MAP_INIT_VADDR_IOMEM(bochs->fb_map); + + if (plane->state && plane->state->fb) { + sb->format = plane->state->fb->format; + sb->width = plane->state->fb->width; + sb->height = plane->state->fb->height; + sb->pitch[0] = plane->state->fb->pitches[0]; + sb->map[0] = map; + return 0; + } + return -ENODEV; +} + static const struct drm_plane_helper_funcs bochs_primary_plane_helper_funcs = { DRM_GEM_SHADOW_PLANE_HELPER_FUNCS, .atomic_check = bochs_primary_plane_helper_atomic_check, .atomic_update = bochs_primary_plane_helper_atomic_update, + .get_scanout_buffer = bochs_primary_plane_helper_get_scanout_buffer, }; static const struct drm_plane_funcs bochs_primary_plane_funcs = { base-commit: 19272b37aa4f83ca52bdf9c16d5d81bdd1354494 -- 2.49.0