drm/vmwgfx: Rework screen target page flips v2

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Gnome-Shell / Wayland assumes that page-flips can be done on a crtc
regardless of framebuffer size and the crtc position within the
framebuffer.

Therefore rework the screen target code to correctly handle changes in
framebuffer size and content_fb_type. Also make sure that we update
the screen target correctly when the content_fb_type is not
SAME_AS_DISPLAY.

This commit breaks out the framebuffer binding code from crtc_set so it
can be used both from page_flip() and crtc_set() and reworks those
functions a bit to be more robust.

v2: Address review comments by Sinclair Yeh.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>

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This commit is contained in:

Thomas Hellstrom 2016-02-12 08:54:07 +01:00

parent 897b818077

commit b1097aeb6f

1 changed files with 188 additions and 234 deletions

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drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c

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