drm/atomic: Add current-mode blob to CRTC state

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Add a blob property tracking the current mode to the CRTC state, and
ensure it is properly updated and referenced.

v2: Continue using crtc_state->mode inside getcrtc, instead of reading
    out the mode blob. Use IS_ERR and PTR_ERR from create_blob. Move
    set_mode_prop_for_crtc to later patch where it actually gets used.
    Enforce !!state->enable == !!state->mode_blob inside
    drm_atomic_crtc_check.

Signed-off-by: Daniel Stone <daniels@collabora.com>
Tested-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

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This commit is contained in:

Daniel Stone 2015-05-25 19:11:51 +01:00 • committed by Daniel Vetter

parent 819364da20

commit 99cf4a29fa

3 changed files with 40 additions and 6 deletions

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32

drivers/gpu/drm/drm_atomic.c

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11

drivers/gpu/drm/drm_atomic_helper.c

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3

include/drm/drm_crtc.h

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