basically, all crtcs are possible to clone each other.
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
if one process is terminated by ctrl-c while two processes are
using pageflip feature then for last pageflip event,
user can't get poll from kernel side so this patch fixes the problem.
Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyoungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
some platform could be entering to sleep after short time once lcd panel off
but before that vblank could be off by vblank off delay feature. at that time,
vblank doesn't have the pair between vblank_get/put. so this path makes vblank
off delay to have enough.
Signed-off-by: Inki Dae <inki.dae@samsung.com>
The exynos fimd supports 5 window overlays. Only one window overlay of
fimd is used by the crtc, so we need plane feature to use the rest
window overlays.
This creates one ioctl exynos specific - DRM_EXYNOS_PLANE_SET_ZPOS, it
is the ioctl to decide for user to assign which window overlay.
Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
This compile errors occur by changes of
e08e96de98 commit, so exynos drm should
apply this changes.
CC drivers/gpu/drm/exynos/exynos_drm_drv.o
drivers/gpu/drm/exynos/exynos_drm_drv.c:185: warning: braces around scalar initializer
drivers/gpu/drm/exynos/exynos_drm_drv.c:185: warning: (near initialization for 'exynos_drm_driver.fops')
drivers/gpu/drm/exynos/exynos_drm_drv.c:186: error: field name not in record or union initializer
drivers/gpu/drm/exynos/exynos_drm_drv.c:186: error: (near initialization for 'exynos_drm_driver.fops')
drivers/gpu/drm/exynos/exynos_drm_drv.c:186: warning: initialization from incompatible pointer type
drivers/gpu/drm/exynos/exynos_drm_drv.c:187: error: field name not in record or union initializer
drivers/gpu/drm/exynos/exynos_drm_drv.c:187: error: (near initialization for 'exynos_drm_driver.fops')
drivers/gpu/drm/exynos/exynos_drm_drv.c:187: warning: excess elements in scalar initializer
drivers/gpu/drm/exynos/exynos_drm_drv.c:187: warning: (near initialization for 'exynos_drm_driver.fops')
drivers/gpu/drm/exynos/exynos_drm_drv.c:188: error: field name not in record or union initializer
drivers/gpu/drm/exynos/exynos_drm_drv.c:188: error: (near initialization for 'exynos_drm_driver.fops')
drivers/gpu/drm/exynos/exynos_drm_drv.c:188: warning: excess elements in scalar initializer
drivers/gpu/drm/exynos/exynos_drm_drv.c:188: warning: (near initialization for 'exynos_drm_driver.fops')
drivers/gpu/drm/exynos/exynos_drm_drv.c:189: error: field name not in record or union initializer
drivers/gpu/drm/exynos/exynos_drm_drv.c:189: error: (near initialization for 'exynos_drm_driver.fops')
drivers/gpu/drm/exynos/exynos_drm_drv.c:189: warning: excess elements in scalar initializer
drivers/gpu/drm/exynos/exynos_drm_drv.c:189: warning: (near initialization for 'exynos_drm_driver.fops')
drivers/gpu/drm/exynos/exynos_drm_drv.c:190: error: field name not in record or union initializer
drivers/gpu/drm/exynos/exynos_drm_drv.c:190: error: (near initialization for 'exynos_drm_driver.fops')
drivers/gpu/drm/exynos/exynos_drm_drv.c:190: warning: excess elements in scalar initializer
drivers/gpu/drm/exynos/exynos_drm_drv.c:190: warning: (near initialization for 'exynos_drm_driver.fops')
drivers/gpu/drm/exynos/exynos_drm_drv.c:191: error: field name not in record or union initializer
drivers/gpu/drm/exynos/exynos_drm_drv.c:191: error: (near initialization for 'exynos_drm_driver.fops')
drivers/gpu/drm/exynos/exynos_drm_drv.c:191: warning: excess elements in scalar initializer
drivers/gpu/drm/exynos/exynos_drm_drv.c:191: warning: (near initialization for 'exynos_drm_driver.fops')
drivers/gpu/drm/exynos/exynos_drm_drv.c:192: error: field name not in record or union initializer
drivers/gpu/drm/exynos/exynos_drm_drv.c:192: error: (near initialization for 'exynos_drm_driver.fops')
drivers/gpu/drm/exynos/exynos_drm_drv.c:192: warning: excess elements in scalar initializer
drivers/gpu/drm/exynos/exynos_drm_drv.c:192: warning: (near initialization for 'exynos_drm_driver.fops')
make[4]: *** [drivers/gpu/drm/exynos/exynos_drm_drv.o] Error 1
make[3]: *** [drivers/gpu/drm/exynos] Error 2
make[2]: *** [drivers/gpu/drm] Error 2
make[1]: *** [drivers/gpu] Error 2
make: *** [drivers] Error 2
Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
in case of using two drivers such as fimd and hdmi controller that
they have their own hardware interrupt, drm framework doesn't provide
pipe number corresponding to it. so the pipe should be set to event's
from specific crtc.
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This patch is a DRM Driver for Samsung SoC Exynos4210 and now enables
only FIMD yet but we will add HDMI support also in the future.
this patch is based on git repository below:
git://people.freedesktop.org/~airlied/linux.git
branch name: drm-next
commit-id: 88ef4e3f4f
you can refer to our working repository below:
http://git.infradead.org/users/kmpark/linux-2.6-samsung
branch name: samsung-drm
We tried to re-use lowlevel codes of the FIMD driver(s3c-fb.c
based on Linux framebuffer) but couldn't so because lowlevel codes
of s3c-fb.c are included internally and so FIMD module of this driver has
its own lowlevel codes.
We used GEM framework for buffer management and DMA APIs(dma_alloc_*)
for buffer allocation so we can allocate physically continuous memory
for DMA through it and also we could use CMA later if CMA is applied to
mainline.
Refer to this link for CMA(Continuous Memory Allocator):
http://lkml.org/lkml/2011/7/20/45
this driver supports only physically continuous memory(non-iommu).
Links to previous versions of the patchset:
v1: < https://lwn.net/Articles/454380/ >
v2: < http://www.spinics.net/lists/kernel/msg1224275.html >
v3: < http://www.spinics.net/lists/dri-devel/msg13755.html >
v4: < http://permalink.gmane.org/gmane.comp.video.dri.devel/60439 >
v5: < http://comments.gmane.org/gmane.comp.video.dri.devel/60802 >
Changelog v2:
DRM: add DRM_IOCTL_SAMSUNG_GEM_MMAP ioctl command.
this feature maps user address space to physical memory region
once user application requests DRM_IOCTL_SAMSUNG_GEM_MMAP ioctl.
DRM: code clean and add exception codes.
Changelog v3:
DRM: Support multiple irq.
FIMD and HDMI have their own irq handler but DRM Framework can regiter
only one irq handler this patch supports mutiple irq for Samsung SoC.
DRM: Consider modularization.
each DRM, FIMD could be built as a module.
DRM: Have indenpendent crtc object.
crtc isn't specific to SoC Platform so this patch gets a crtc
to be used as common object.
created crtc could be attached to any encoder object.
DRM: code clean and add exception codes.
Changelog v4:
DRM: remove is_defult from samsung_fb.
is_default isn't used for default framebuffer.
DRM: code refactoring to fimd module.
this patch is be considered with multiple display objects and
would use its own request_irq() to register a irq handler instead of
drm framework's one.
DRM: remove find_samsung_drm_gem_object()
DRM: move kernel private data structures and definitions to driver folder.
samsung_drm.h would contain only public information for userspace
ioctl interface.
DRM: code refactoring to gem modules.
buffer module isn't dependent of gem module anymore.
DRM: fixed security issue.
DRM: remove encoder porinter from specific connector.
samsung connector doesn't need to have generic encoder.
DRM: code clean and add exception codes.
Changelog v5:
DRM: updated fimd(display controller) driver.
added various pixel formats, color key and pixel blending features.
DRM: removed end_buf_off from samsung_drm_overlay structure.
this variable isn't used and end buffer address would be
calculated by each sub driver.
DRM: use generic function for mmap_offset.
replaced samsung_drm_gem_create_mmap_offset() and
samsung_drm_free_mmap_offset() with generic ones applied
to mainline recentrly.
DRM: removed unnecessary codes and added exception codes.
DRM: added comments and code clean.
Changelog v6:
DRM: added default config options.
DRM: added padding for 64-bit align.
DRM: changed prefix 'samsung' to 'exynos'
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Inki Dae