linux-kernel - [PATCH v3] drm/i915: Enable CONFIG_DMA_API_DEBUG

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Date:   Thu, 22 Aug 2019 20:09:03 -0400
From:   Lyude Paul <lyude@...hat.com>
To:     intel-gfx@...ts.freedesktop.org
Cc:     Chris Wilson <chris@...is-wilson.co.uk>,
        Jani Nikula <jani.nikula@...ux.intel.com>,
        Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
        Rodrigo Vivi <rodrigo.vivi@...el.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: [PATCH v3] drm/i915: Enable CONFIG_DMA_API_DEBUG_SG for intel-ci

Now that we've fixed i915 so that it sets a max SG segment length and
gotten rid of the relevant warnings, let's enable
CONFIG_DMA_API_DEBUG_SG for intel-ci so that we can catch issues like
this in the future as well.

Changes since v2:
* Also select DMA_API_DEBUG - Chris Wilson

Signed-off-by: Lyude Paul <lyude@...hat.com>
Cc: Chris Wilson <chris@...is-wilson.co.uk>
---
 drivers/gpu/drm/i915/Kconfig.debug | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/i915/Kconfig.debug b/drivers/gpu/drm/i915/Kconfig.debug
index 00786a142ff0..cb929d0218e8 100644
--- a/drivers/gpu/drm/i915/Kconfig.debug
+++ b/drivers/gpu/drm/i915/Kconfig.debug
@@ -32,6 +32,8 @@ config DRM_I915_DEBUG
 	select DRM_DEBUG_SELFTEST
 	select DMABUF_SELFTESTS
 	select SW_SYNC # signaling validation framework (igt/syncobj*)
+        select DMA_API_DEBUG
+        select DMA_API_DEBUG_SG
 	select DRM_I915_SW_FENCE_DEBUG_OBJECTS
 	select DRM_I915_SELFTEST
 	select DRM_I915_DEBUG_RUNTIME_PM
-- 
2.21.0