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The rcar_du_vsp_plane_prepare_fb() and rcar_du_vsp_plane_cleanup_fb()
functions implement the DRM plane .prepare_fb() and .cleanup_fb()
operations. They map and unmap the framebuffer to/from the VSP
internally, which will be useful to implement writeback support. Split
the mapping and unmapping out to separate functions.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
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The DRM kernel API used to be defined in a handful of headers, pulled in
through drmP.h. It has since been split in multiple headers for the
different DRM components, and drmP.h turned into a legacy header that
just pulls in most of the DRM kernel API (and a large number of other
miscellaneous kernel headers).
In order to speed up compilation, replace inclusion of drmP.h with only
the required headers. It turns out that the rcar-du-drm driver already
includes most of the necessary headers, so the change is simple.
While at it, remove unneeded inclusion of other headers, and unneeded
forward declarations of structures.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
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Kconfig doesn't have license line, thus, it is GPL-2.0 as default.
rcar_du_regs.h, rcar_lvds_regs.h are GPL-2.0,
and all other files are GPL-2.0+ as original license.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Now that we have support for per-plane alpha in the core, let's use it.
Acked-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Acked-by: Sean Paul <seanpaul@chromium.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/a343697b87109cd8d9675ea8bce2e561051a696f.1523432341.git-series.maxime.ripard@bootlin.com
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Since commit 2fc4d838aaf2 ("drm: rcar: use generic code for managing
zpos plane property") the rcar-du driver stores the plane zpos in the
drm_plane_state structure. The commit however forgot to remove the zpos
field from the rcar_du_vsp_plane_state structure. Remove it.
Fixes: 2fc4d838aaf2 ("drm: rcar: use generic code for managing zpos plane property")
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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On R-Car H3 ES2.0, DU channels 0 and 3 are served by two separate
pipelines from the same VSP. Support this in the DU driver.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
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For planes handled by a VSP instance, map the framebuffer memory through
the VSP to ensure proper IOMMU handling.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
[Kieran: Fix infinite loop on fail]
Signed-off-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Acked-by: Mauro Cavalho Chehab <mchehab@s-opensource.com>
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On Gen3 platforms planes are managed by the external VSP compositor on
behalf of DRM/KMS. If VSP compositor support is not enabled in the DU
driver, the VSP initialization stub routine is called. Return an error
from that stub to fail explicitly, otherwise the device won't be usable
and the driver will crash.
Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
[Clarified commit message]
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
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Make the Z-order of VSP planes configurable through the zpos property,
exactly as for the native DU planes.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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On R-Car Gen3 SoCs the DU lost its ability to access memory directly and
needs to work in conjunction with the VSP to do so. This commit handles
the VSP internally to hide it from the user.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
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Laurent Pinchart
Kuninori Morimoto
Maxime Ripard
Jacopo Mondi