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drm/exynos: Add DECON driver

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This patch is based on exynos-drm-next branch of Inki Dae's tree at:
git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos.git

DECON(Display and Enhancement Controller) is the new IP
in exynos7 SOC for generating video signals using pixel data.

DECON driver can be used to drive 2 different interfaces on Exynos7:
DECON-INT(video controller) and DECON-EXT(Mixer for HDMI)

The existing FIMD driver code was used as a template to create
DECON driver. Only DECON-INT is supported as of now, and
DECON-EXT support will be added later.

The current version of the driver supports video mode displays.

Changelog v2:
- Change config name, DRM_EXYNOS_DECON to DRM_EXYNOS7_DECON.

Signed-off-by: Akshu Agrawal <akshua@gmail.com>
Signed-off-by: Ajay Kumar <ajaykumar.rs@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
This commit is contained in:
Ajay Kumar
2015-02-05 21:24:04 +05:30
committed by Inki Dae
parent 936ce5cce6
commit 96976c3d9a
7 changed files with 1423 additions and 3 deletions
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13
drivers/gpu/drm/exynos/Kconfig
View File

@@ -24,9 +24,16 @@ config DRM_EXYNOS_FIMD
help
Choose this option if you want to use Exynos FIMD for DRM.
config DRM_EXYNOS7_DECON
bool "Exynos DRM DECON"
depends on DRM_EXYNOS
select FB_MODE_HELPERS
help
Choose this option if you want to use Exynos DECON for DRM.
config DRM_EXYNOS_DPI
bool "EXYNOS DRM parallel output support"
depends on DRM_EXYNOS_FIMD
depends on (DRM_EXYNOS_FIMD || DRM_EXYNOS7_DECON)
select DRM_PANEL
default n
help
@@ -34,7 +41,7 @@ config DRM_EXYNOS_DPI
config DRM_EXYNOS_DSI
bool "EXYNOS DRM MIPI-DSI driver support"
depends on DRM_EXYNOS_FIMD
depends on (DRM_EXYNOS_FIMD || DRM_EXYNOS7_DECON)
select DRM_MIPI_DSI
select DRM_PANEL
default n
@@ -43,7 +50,7 @@ config DRM_EXYNOS_DSI
config DRM_EXYNOS_DP
bool "EXYNOS DRM DP driver support"
depends on DRM_EXYNOS_FIMD && ARCH_EXYNOS && (DRM_PTN3460=n || DRM_PTN3460=y || DRM_PTN3460=DRM_EXYNOS)
depends on (DRM_EXYNOS_FIMD || DRM_EXYNOS7DECON) && ARCH_EXYNOS && (DRM_PTN3460=n || DRM_PTN3460=y || DRM_PTN3460=DRM_EXYNOS)
default DRM_EXYNOS
select DRM_PANEL
help