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drm: Add old state pointer to CRTC .enable() helper function

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The old state is useful for drivers that need to perform operations at
enable time that depend on the transition between the old and new
states.

While at it, rename the operation to .atomic_enable() to be consistent
with .atomic_disable(), as the .enable() operation is used by atomic
helpers only.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com> # for sun4i
Acked-by: Philipp Zabel <p.zabel@pengutronix.de> # for imx-drm and mediatek
Acked-by: Alexey Brodkin <abrodkin@synopsys.com> # for arcpgu
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com> # for atmel-hlcdc
Acked-by: Liviu Dudau <Liviu.Dudau@arm.com> # for hdlcd and mali-dp
Acked-by: Stefan Agner <stefan@agner.ch> # for fsl-dcu
Tested-by: Philippe Cornu <philippe.cornu@st.com> # for stm
Acked-by: Philippe Cornu <philippe.cornu@st.com> # for stm
Acked-by: Vincent Abriou <vincent.abriou@st.com> # for sti
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com> # for vmwgfx
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20170630093646.7928-2-laurent.pinchart+renesas@ideasonboard.com
This commit is contained in:
Laurent Pinchart
2017-06-30 12:36:44 +03:00
committed by Daniel Vetter
parent f1e8c67123
commit 0b20a0f8c3
31 changed files with 128 additions and 87 deletions
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5
drivers/gpu/drm/tegra/dc.c
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@@ -1243,7 +1243,8 @@ static void tegra_crtc_disable(struct drm_crtc *crtc)
pm_runtime_put_sync(dc->dev);
}
static void tegra_crtc_enable(struct drm_crtc *crtc)
static void tegra_crtc_atomic_enable(struct drm_crtc *crtc,
struct drm_crtc_state *old_state)
{
struct drm_display_mode *mode = &crtc->state->adjusted_mode;
struct tegra_dc_state *state = to_dc_state(crtc->state);
@@ -1352,10 +1353,10 @@ static void tegra_crtc_atomic_flush(struct drm_crtc *crtc,
static const struct drm_crtc_helper_funcs tegra_crtc_helper_funcs = {
.disable = tegra_crtc_disable,
.enable = tegra_crtc_enable,
.atomic_check = tegra_crtc_atomic_check,
.atomic_begin = tegra_crtc_atomic_begin,
.atomic_flush = tegra_crtc_atomic_flush,
.atomic_enable = tegra_crtc_atomic_enable,
};
static irqreturn_t tegra_dc_irq(int irq, void *data)