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As commented in drm_atomic_helper_wait_for_vblanks(), userspace relies
on cursor ioctls being unsynced. Converting the rockchip driver to
atomic has significantly impacted cursor performance by making every
cursor update wait for vblank.
By skipping the vblank sync when the framebuffer has not changed (as is
done in drm_atomic_helper_wait_for_vblanks()) we can avoid this for the
common case of moving the cursor and only need to delay the cursor ioctl
when the cursor icon changes.
We cannot add the check on legacy_cursor_update since that results in
the cursor bo being unreferenced while the hardware may still be reading
it. Fully supporting unsynced cursor updates is left for the future
when the atomic helper framework supports async updates.
Signed-off-by: John Keeping <john@metanate.com>
Tested-by: Heiko Stuebner <heiko@sntech.de>
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Now rockchip_drm_vop.c is build into rockchipdrm.ko, so
no need to export following symbol anymore:
rockchip_drm_dma_attach_device
rockchip_drm_dma_detach_device
rockchip_drm_dma_attach_device
rockchip_drm_dma_detach_device
rockchip_register_crtc_funcs
rockchip_unregister_crtc_funcs
rockchip_fb_get_gem_obj
Signed-off-by: Mark Yao <mark.yao@rock-chips.com>
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If drm core requests a async commit, rockchip_drm_atomic_commit
will schedule a work task to update later.
Signed-off-by: Mark Yao <mark.yao@rock-chips.com>
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Rockchip vop not support hw vblank counter, needed check the committed
register if it's really take effect.
Signed-off-by: Mark Yao <mark.yao@rock-chips.com>
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Moves a bunch of junk to .rodata from .data.
drivers/gpu/drm/rockchip/dw_hdmi-rockchip.ko:
-.rodata 772
+.rodata 828
-.data 148
+.data 92
drivers/gpu/drm/rockchip/rockchipdrm.ko:
-.rodata 748
+.rodata 760
-.data 448
+.data 436
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1450178476-26284-25-git-send-email-boris.brezillon@free-electrons.com
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Drivers shouldn't clobber the passed in addfb ioctl parameters.
i915 was doing just that. To prevent it from happening again,
pass the struct around as const, starting all the way from
internal_framebuffer_create().
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Add a check for the presence of fb_helper to rockchip_drm_output_poll_changed()
to only call drm_fb_helper_hotplug_event if there is actually a fb_helper
available. Without this check I see NULL pointer dereferences when the
hdmi hotplug irq fires before the fb_helper got initialized.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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This patch adds the basic structure of a DRM Driver for Rockchip Socs.
Signed-off-by: Mark Yao <mark.yao@rock-chips.com>
Signed-off-by: Daniel Kurtz <djkurtz@chromium.org>
Acked-by: Daniel Vetter <daniel@ffwll.ch>
Reviewed-by: Rob Clark <robdclark@gmail.com>
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