shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-07 11:26:02 +09:00
Code Issues Packages Projects Releases Wiki Activity

media: rockchip: hdmirx: filter the abnormal frames

Browse Source 
If the color is YUV format, when resume or change resolution or plugin,
the first few frames of DMA is zero, Cause green screen display.

Signed-off-by: Chen Shunqing <csq@rock-chips.com>
Change-Id: I8084e1c0b3c9b0e763fa8aae24994da6875b2f32
This commit is contained in:
Chen Shunqing
2022-03-19 11:20:47 +08:00
committed by Dingxian Wen
parent b948c50465
commit d6d0364d59
1 changed files with 8 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/media/platform/rockchip/hdmirx/rk_hdmirx.c
View File

@@ -61,6 +61,7 @@ MODULE_PARM_DESC(debug, "debug level (0-3)");
#define HDMIRX_PLANE_CBCR 1
#define INIT_FIFO_STATE 64
#define RK_IRQ_HDMIRX_HDMI 210
#define FILTER_FRAME_CNT 6
#define is_validfs(x) (x == 32000 || \
x == 44100 || \
@@ -2066,6 +2067,9 @@ static void dma_idle_int_handler(struct rk_hdmirx_dev *hdmirx_dev, bool *handled
v4l2_dbg(1, debug, v4l2_dev,
"%s: last time have no line_flag_irq\n", __func__);
if (stream->line_flag_int_cnt <= FILTER_FRAME_CNT)
goto DMA_IDLE_OUT;
if ((bt->interlaced != V4L2_DV_INTERLACED) ||
(stream->line_flag_int_cnt % 2 == 0)) {
if (stream->next_buf) {
@@ -2090,6 +2094,7 @@ static void dma_idle_int_handler(struct rk_hdmirx_dev *hdmirx_dev, bool *handled
}
}
DMA_IDLE_OUT:
*handled = true;
}
@@ -2111,6 +2116,9 @@ static void line_flag_int_handler(struct rk_hdmirx_dev *hdmirx_dev, bool *handle
goto LINE_FLAG_OUT;
}
if (stream->line_flag_int_cnt <= FILTER_FRAME_CNT)
goto LINE_FLAG_OUT;
if ((bt->interlaced != V4L2_DV_INTERLACED) ||
(stream->line_flag_int_cnt % 2 == 0)) {
if (!stream->next_buf) {