From: Javier Martinez Canillas <javier@osg.samsung.com>
To: linux-kernel@vger.kernel.org
Cc: Tobias Jakobi <tjakobi@math.uni-bielefeld.de>,
Javier Martinez Canillas <javier@osg.samsung.com>,
Kukjin Kim <kgene@kernel.org>,
Seung-Woo Kim <sw0312.kim@samsung.com>,
dri-devel@lists.freedesktop.org, Inki Dae <inki.dae@samsung.com>,
linux-samsung-soc@vger.kernel.org,
Kyungmin Park <kyungmin.park@samsung.com>,
Krzysztof Kozlowski <k.kozlowski@samsung.com>,
David Airlie <airlied@linux.ie>,
Joonyoung Shim <jy0922.shim@samsung.com>,
linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/3] drm/exynos: Use VIDEO_SAMSUNG_S5P_G2D=n as G2D Kconfig dependency
Date: Mon, 28 Mar 2016 21:28:55 -0400 [thread overview]
Message-ID: <1459214937-18686-2-git-send-email-javier@osg.samsung.com> (raw)
In-Reply-To: <1459214937-18686-1-git-send-email-javier@osg.samsung.com>
Commit 254d4d111ee1 ("drm/exynos: Add dependency for G2D in Kconfig") made
the DRM_EXYNOS_G2D symbol to only be selectable if the s5p-g2d V4L2 driver
is not enabled, since both use the same HW IP block.
But added the dependency as depends on !VIDEO_SAMSUNG_S5P_G2D which isn't
correct since Kconfig expressions are not boolean but tristate. So it will
only evaluate to 'n' if VIDEO_SAMSUNG_S5P_G2D=y but it will evaluate to m
if VIDEO_SAMSUNG_S5P_G2D=m.
This means that both the V4L2 and DRM drivers can be enabled if the former
is enabled as a module, which is not what we want.
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
---
drivers/gpu/drm/exynos/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/exynos/Kconfig b/drivers/gpu/drm/exynos/Kconfig
index f17d39279596..baddf33fb475 100644
--- a/drivers/gpu/drm/exynos/Kconfig
+++ b/drivers/gpu/drm/exynos/Kconfig
@@ -94,7 +94,7 @@ comment "Sub-drivers"
config DRM_EXYNOS_G2D
bool "G2D"
- depends on !VIDEO_SAMSUNG_S5P_G2D
+ depends on VIDEO_SAMSUNG_S5P_G2D=n
select FRAME_VECTOR
help
Choose this option if you want to use Exynos G2D for DRM.
--
2.5.0
next prev parent reply other threads:[~2016-03-29 1:29 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-29 1:28 [PATCH 0/3] drm/exynos: Kconfig dependency fixes Javier Martinez Canillas
2016-03-29 1:28 ` Javier Martinez Canillas [this message]
2016-03-29 1:28 ` [PATCH 2/3] drm/exynos: Use VIDEO_SAMSUNG_EXYNOS_GSC=n as GSC Kconfig dependency Javier Martinez Canillas
2016-04-21 13:46 ` Javier Martinez Canillas
2016-03-29 1:28 ` [PATCH 3/3] drm/exynos: Make DRM_EXYNOS_FIMC depend on VIDEO_S5P_FIMC=n Javier Martinez Canillas
2016-03-29 1:32 ` [PATCH 0/3] drm/exynos: Kconfig dependency fixes Inki Dae
2016-03-29 1:46 ` Seung-Woo Kim
2016-03-29 2:41 ` Javier Martinez Canillas
2016-03-29 4:25 ` Seung-Woo Kim
2016-03-29 14:59 ` Javier Martinez Canillas
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