diff options
Diffstat (limited to 'drivers/video/tegra/dc/dsi.c')
| -rw-r--r-- | drivers/video/tegra/dc/dsi.c | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/drivers/video/tegra/dc/dsi.c b/drivers/video/tegra/dc/dsi.c index b2318f43cebb..2c2cb78d3488 100644 --- a/drivers/video/tegra/dc/dsi.c +++ b/drivers/video/tegra/dc/dsi.c @@ -38,8 +38,7 @@ #include "dsi.h" #define DSI_USE_SYNC_POINTS 1 - -#define DSI_STOP_DC_DURATION_MSEC 1000 +#define S_TO_MS(x) (1000 * (x)) #define DSI_MODULE_NOT_INIT 0x0 #define DSI_MODULE_INIT 0x1 @@ -843,26 +842,28 @@ void tegra_dsi_stop_dc_stream_at_frame_end(struct tegra_dc *dc, { int val; long timeout; + u32 frame_period = DIV_ROUND_UP(S_TO_MS(1), dsi->info.refresh_rate); /* stop dc */ tegra_dsi_stop_dc_stream(dc, dsi); - /* enable vblank interrupt */ + /* enable frame end interrupt */ val = tegra_dc_readl(dc, DC_CMD_INT_ENABLE); - val |= V_BLANK_INT; + val |= FRAME_END_INT; tegra_dc_writel(dc, val, DC_CMD_INT_ENABLE); val = tegra_dc_readl(dc, DC_CMD_INT_MASK); - val |= V_BLANK_INT; + val |= FRAME_END_INT; tegra_dc_writel(dc, val, DC_CMD_INT_MASK); - /* wait for vblank completion */ + /* wait for frame_end completion */ timeout = wait_for_completion_interruptible_timeout( - &dc->vblank_complete, DSI_STOP_DC_DURATION_MSEC); + &dc->frame_end_complete, + msecs_to_jiffies(frame_period)); - /* disable vblank interrupt */ + /* disable frame end interrupt */ val = tegra_dc_readl(dc, DC_CMD_INT_ENABLE); - val &= ~V_BLANK_INT; + val &= ~FRAME_END_INT; tegra_dc_writel(dc, val, DC_CMD_INT_ENABLE); if (timeout == 0) |