Thread (4 messages) 4 messages, 2 authors, 2022-09-01

[PATCH] drm: Simplify testing on UML with kunit.py

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STALE1506d

From: Michał Winiarski <michal.winiarski@intel.com>
Date: 2022-09-01 13:39:29
Also in: dri-devel, linux-doc, lkml
Subsystem: documentation, drm drivers, drm drivers and misc gpu patches, framebuffer layer, the rest · Maintainers: Jonathan Corbet, David Airlie, Simona Vetter, Maarten Lankhorst, Maxime Ripard, Thomas Zimmermann, Helge Deller, Linus Torvalds

DRM depends on IOMEM and DMA, introduce an additional Kconfig to pull in
IOMEM and DMA emulation on UML.
Since --kconfig_add usage is no longer needed, remove it from
documentation.

Signed-off-by: Michał Winiarski <michal.winiarski@intel.com>
---
 Documentation/gpu/drm-internals.rst | 7 +------
 drivers/video/Kconfig               | 4 ++++
 2 files changed, 5 insertions(+), 6 deletions(-)
diff --git a/Documentation/gpu/drm-internals.rst b/Documentation/gpu/drm-internals.rst
index 5fd20a306718..c264a9587d21 100644
--- a/Documentation/gpu/drm-internals.rst
+++ b/Documentation/gpu/drm-internals.rst
@@ -228,16 +228,11 @@ follows:
 
 .. code-block:: bash
 
-	$ ./tools/testing/kunit/kunit.py run --kunitconfig=drivers/gpu/drm/tests \
-		--kconfig_add CONFIG_VIRTIO_UML=y \
-		--kconfig_add CONFIG_UML_PCI_OVER_VIRTIO=y
+	$ ./tools/testing/kunit/kunit.py run --kunitconfig=drivers/gpu/drm/tests
 
 .. note::
 	The configuration included in ``.kunitconfig`` should be as generic as
 	possible.
-	``CONFIG_VIRTIO_UML`` and ``CONFIG_UML_PCI_OVER_VIRTIO`` are not
-	included in it because they are only required for User Mode Linux.
-
 
 Legacy Support Code
 ===================
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
index 0587e21abad9..f3266c9fa8a6 100644
--- a/drivers/video/Kconfig
+++ b/drivers/video/Kconfig
@@ -52,5 +52,9 @@ if FB || SGI_NEWPORT_CONSOLE
 
 endif
 
+config DRM_UML_IO_EMULATION
+	def_bool y if UML && KUNIT
+	select UML_DMA_EMULATION
+	select UML_IOMEM_EMULATION
 
 endmenu
-- 
2.37.3
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