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drm/atomic: pass old crtc state to atomic_begin/flush.

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In intel it's useful to keep track of some state changes with old
crtc state vs new state, for example to disable initial planes or
when a modeset's prevented during fastboot.

Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Ander Conselvan de Oliveira <conselvan2@gmail.com>
[danvet: squash in fixup for exynos provided by Maarten.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Maarten Lankhorst
2015-07-21 13:28:58 +02:00
committed by Daniel Vetter
parent fc596660dd
commit 613d2b2721
11 changed files with 44 additions and 26 deletions
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6
drivers/gpu/drm/tegra/dc.c
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@@ -1277,7 +1277,8 @@ static int tegra_crtc_atomic_check(struct drm_crtc *crtc,
return 0;
}
static void tegra_crtc_atomic_begin(struct drm_crtc *crtc)
static void tegra_crtc_atomic_begin(struct drm_crtc *crtc,
struct drm_crtc_state *old_crtc_state)
{
struct tegra_dc *dc = to_tegra_dc(crtc);
@@ -1291,7 +1292,8 @@ static void tegra_crtc_atomic_begin(struct drm_crtc *crtc)
}
}
static void tegra_crtc_atomic_flush(struct drm_crtc *crtc)
static void tegra_crtc_atomic_flush(struct drm_crtc *crtc,
struct drm_crtc_state *old_crtc_state)
{
struct tegra_dc_state *state = to_dc_state(crtc->state);
struct tegra_dc *dc = to_tegra_dc(crtc);