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drm/imx: Use __drm_atomic_helper_crtc_reset

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Now also comes with the added benefit of doing a drm_crtc_vblank_off(),
which means vblank state isn't ill-defined and fail-y at driver load
before the first modeset on each crtc.

Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Cc: Philipp Zabel <p.zabel@pengutronix.de>
Cc: Shawn Guo <shawnguo@kernel.org>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Pengutronix Kernel Team <kernel@pengutronix.de>
Cc: Fabio Estevam <festevam@gmail.com>
Cc: NXP Linux Team <linux-imx@nxp.com>
Cc: linux-arm-kernel@lists.infradead.org
Link: https://patchwork.freedesktop.org/patch/msgid/20200612160056.2082681-3-daniel.vetter@ffwll.ch
This commit is contained in:
Daniel Vetter 2020-06-12 18:00:51 +02:00
parent 1f8a52ece6
commit 8ed5dcf966
1 changed files with 7 additions and 12 deletions
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19
drivers/gpu/drm/imx/ipuv3-crtc.c
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@ -109,20 +109,15 @@ static void imx_drm_crtc_reset(struct drm_crtc *crtc)
{
struct imx_crtc_state *state;
if (crtc->state) {
if (crtc->state->mode_blob)
drm_property_blob_put(crtc->state->mode_blob);
if (crtc->state)
__drm_atomic_helper_crtc_destroy_state(crtc->state);
state = to_imx_crtc_state(crtc->state);
memset(state, 0, sizeof(*state));
} else {
state = kzalloc(sizeof(*state), GFP_KERNEL);
if (!state)
return;
crtc->state = &state->base;
}
kfree(to_imx_crtc_state(crtc->state));
crtc->state = NULL;
state->base.crtc = crtc;
state = kzalloc(sizeof(*state), GFP_KERNEL);
if (state)
__drm_atomic_helper_crtc_reset(crtc, &state->base);
}
static struct drm_crtc_state *imx_drm_crtc_duplicate_state(struct drm_crtc *crtc)