From aeaf0353a2d812db143f84a50b0fb645f16a743c Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Mon, 25 Jan 2016 00:28:11 +0200 Subject: [PATCH] drm: rcar-du: Remove local CRTC enabled state The atomic framework guarantees that the CRTC enable and disable functions will only be called when needed, there's no need to duplicate the CRTC state check. By replacing the local CRTC enabled state check at resume time with the CRTC active state we can remove the local CRTC enabled state altogether. Signed-off-by: Laurent Pinchart --- drivers/gpu/drm/rcar-du/rcar_du_crtc.c | 12 +----------- drivers/gpu/drm/rcar-du/rcar_du_crtc.h | 2 -- 2 files changed, 1 insertion(+), 13 deletions(-) diff --git a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c index 4ec80ae1fa99c..b87b8ffb898b9 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c @@ -418,7 +418,7 @@ void rcar_du_crtc_resume(struct rcar_du_crtc *rcrtc) { unsigned int i; - if (!rcrtc->enabled) + if (!rcrtc->crtc.state->active) return; rcar_du_crtc_get(rcrtc); @@ -445,26 +445,17 @@ static void rcar_du_crtc_enable(struct drm_crtc *crtc) { struct rcar_du_crtc *rcrtc = to_rcar_crtc(crtc); - if (rcrtc->enabled) - return; - rcar_du_crtc_get(rcrtc); rcar_du_crtc_start(rcrtc); - - rcrtc->enabled = true; } static void rcar_du_crtc_disable(struct drm_crtc *crtc) { struct rcar_du_crtc *rcrtc = to_rcar_crtc(crtc); - if (!rcrtc->enabled) - return; - rcar_du_crtc_stop(rcrtc); rcar_du_crtc_put(rcrtc); - rcrtc->enabled = false; rcrtc->outputs = 0; } @@ -589,7 +580,6 @@ int rcar_du_crtc_create(struct rcar_du_group *rgrp, unsigned int index) rcrtc->group = rgrp; rcrtc->mmio_offset = mmio_offsets[index]; rcrtc->index = index; - rcrtc->enabled = false; ret = drm_crtc_init_with_planes(rcdu->ddev, crtc, &rgrp->planes[index % 2].plane, diff --git a/drivers/gpu/drm/rcar-du/rcar_du_crtc.h b/drivers/gpu/drm/rcar-du/rcar_du_crtc.h index 2bbe3f5aab65e..dbc3a3ef9aa6c 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_crtc.h +++ b/drivers/gpu/drm/rcar-du/rcar_du_crtc.h @@ -33,7 +33,6 @@ struct rcar_du_group; * @event: event to post when the pending page flip completes * @flip_wait: wait queue used to signal page flip completion * @outputs: bitmask of the outputs (enum rcar_du_output) driven by this CRTC - * @enabled: whether the CRTC is enabled, used to control system resume * @group: CRTC group this CRTC belongs to */ struct rcar_du_crtc { @@ -49,7 +48,6 @@ struct rcar_du_crtc { wait_queue_head_t flip_wait; unsigned int outputs; - bool enabled; struct rcar_du_group *group; }; -- 2.39.5