From c756473169d054f315b6ecd81d2dabcdd074aee4 Mon Sep 17 00:00:00 2001
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From: Jeffy Chen <jeffy.chen@rock-chips.com>
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Date: Fri, 1 Apr 2022 22:17:07 +0800
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Subject: [PATCH 4/4] HACK: drm: rockchip: Prefer non-cluster overlay planes
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Change-Id: I65d40b50c96921b644de4601188c0518c99c9d72
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Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
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---
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drivers/gpu/drm/rockchip/rockchip_drm_vop2.c | 10 ++++++++++
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1 file changed, 10 insertions(+)
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diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
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index 9f94836ac6c1..a40b42cdd2b0 100644
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--- a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
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+++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
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@@ -8730,6 +8730,7 @@ static int vop2_create_crtc(struct vop2 *vop2)
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bool find_primary_plane = false;
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bool bootloader_initialized = false;
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struct rockchip_drm_private *private = drm_dev->dev_private;
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+ bool use_cluster = false;
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/* all planes can attach to any crtc */
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possible_crtcs = (1 << vop2_data->nr_vps) - 1;
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@@ -8932,9 +8933,13 @@ static int vop2_create_crtc(struct vop2 *vop2)
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* create overlay planes of the leftover overlay win
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* Create drm_planes for overlay windows with possible_crtcs restricted
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*/
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+add_overlay:
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for (j = 0; j < vop2->registered_num_wins; j++) {
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win = &vop2->win[j];
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+ if (use_cluster != vop2_cluster_window(win))
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+ continue;
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+
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if (win->type != DRM_PLANE_TYPE_OVERLAY)
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continue;
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/*
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@@ -8961,6 +8966,11 @@ static int vop2_create_crtc(struct vop2 *vop2)
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DRM_WARN("failed to init overlay plane %s\n", win->name);
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}
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+ if (!use_cluster) {
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+ use_cluster = true;
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+ goto add_overlay;
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+ }
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+
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return registered_num_crtcs;
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}
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--
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2.20.1
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