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drm: fix screen flash when video is playing while osd closed [1/1]

Browse Source 
PD#SWPL-144746

Problem:
flash screen after osd disappear when play some h264/mpeg2 stream

Solution:
manipulate specific postblend reg and mif reg in the same vsync

Verify:
t7c

Test:
DRM-OSD-133

Change-Id: I651d4df3e0d4e82eadafa848e3aba2088028ea40
Signed-off-by: mingyang.he <mingyang.he@amlogic.com>
This commit is contained in:
mingyang.he
2023-11-27 07:10:48 +00:00
committed by Luan Yuan
parent dd43da5440
commit 09a3437bcd
1 changed files with 7 additions and 5 deletions
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drivers/drm/vpu-hw/meson_vpu_postblend.c
+7 -5
View File
@@ -716,17 +716,19 @@ static void postblend_hw_disable(struct meson_vpu_block *vblk,
struct rdma_reg_ops *reg_ops = state->sub->reg_ops;
struct postblend1_reg_s *reg1 = postblend->reg1;
if (vblk->index == 0)
if (vblk->index == 0) {
vpp_osd1_postblend_mux_set(vblk, state->sub->reg_ops, postblend->reg, VPP_NULL);
else if (vblk->index == 1 || vblk->index == 2) {
} else if (vblk->index == 1 || vblk->index == 2) {
vppx_bld = reg_ops->rdma_read_reg(reg1->vpp_bld_ctrl);
vppx_bld = vppx_bld & 0xffffff0f;
if (crtc_index == 1)
if (crtc_index == 1) {
reg_ops->rdma_write_reg(reg1->vpp_bld_ctrl, vppx_bld);
osd_vpp1_bld_ctrl = vppx_bld | osd_vpp_bld_ctrl_update_mask;
else if (crtc_index == 2)
} else if (crtc_index == 2) {
osd_vpp2_bld_ctrl = vppx_bld | osd_vpp_bld_ctrl_update_mask;
else
} else {
MESON_DRM_BLOCK("invalid crtc index\n");
}
drm_postblend_notify_amvideo();
}