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drm/rockchip: vop2: Only register used vp to drm

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A registered vp(crtc) need a primary plane, some
linux style display software(X11/weston) want more
overlay plane, so we don't register unused vp to
same some plane for overlay.

Change-Id: I66846af7364d1a20f38f35d65ed3fe34b7f280ab
Signed-off-by: Andy Yan <andy.yan@rock-chips.com>
This commit is contained in:
Andy Yan
2021-06-11 17:19:33 +08:00
committed by Tao Huang
parent 89ee594a71
commit 7c867f0214
1 changed files with 28 additions and 0 deletions
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28
drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
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@@ -5942,6 +5942,8 @@ static int vop2_gamma_init(struct vop2 *vop2)
for (i = 0; i < vop2_data->nr_vps; i++) {
vp = &vop2->vps[i];
crtc = &vp->crtc;
if (!crtc->dev)
continue;
vp_data = &vop2_data->vp[vp->id];
lut_len = vp_data->gamma_lut_len;
vp->gamma_lut_len = vp_data->gamma_lut_len;
@@ -5984,6 +5986,8 @@ static void vop2_cubic_lut_init(struct vop2 *vop2)
for (i = 0; i < vop2_data->nr_vps; i++) {
vp = &vop2->vps[i];
crtc = &vp->crtc;
if (!crtc->dev)
continue;
vp_data = &vop2_data->vp[vp->id];
vp->cubic_lut_len = vp_data->cubic_lut_len;
@@ -6045,10 +6049,26 @@ static int vop2_create_crtc(struct vop2 *vop2)
int ret = 0;
bool be_used_for_primary_plane = false;
bool find_primary_plane = false;
bool bootloader_initialized = false;
/* all planes can attach to any crtc */
possible_crtcs = (1 << vop2_data->nr_vps) - 1;
/*
* We set plane_mask from dts or bootloader
* if all the plane_mask are zero, that means
* the bootloader don't initialized the vop, or
* something is wrong, the kernel will try to
* initial all the vp.
*/
for (i = 0; i < vop2_data->nr_vps; i++) {
vp = &vop2->vps[i];
if (vp->plane_mask) {
bootloader_initialized = true;
break;
}
}
/*
* Create primary plane for eache crtc first, since we need
* to pass them to drm_crtc_init_with_planes, which sets the
@@ -6061,6 +6081,14 @@ static int vop2_create_crtc(struct vop2 *vop2)
vp->id = vp_data->id;
vp->regs = vp_data->regs;
vp->cursor_win_id = -1;
/*
* we assume a vp with a zere plane_mask(set from dts or bootloader)
* as unused.
*/
if (!vp->plane_mask && bootloader_initialized)
continue;
if (vop2_soc_is_rk3566())
soc_id = vp_data->soc_id[1];
else