Patch enables sync lost interrupt and interrupt handler already takes care to handle it.
Signed-off-by: Manjunathappa, Prakash <[email protected]> --- Since v1: Minor nit, replaced spaces with tabs. drivers/video/da8xx-fb.c | 7 +++++-- 1 files changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/video/da8xx-fb.c b/drivers/video/da8xx-fb.c index 47118c7..8163832 100644 --- a/drivers/video/da8xx-fb.c +++ b/drivers/video/da8xx-fb.c @@ -54,6 +54,7 @@ #define LCD_DMA_BURST_8 0x3 #define LCD_DMA_BURST_16 0x4 #define LCD_V1_END_OF_FRAME_INT_ENA BIT(2) +#define LCD_V1_SYNC_LOST_ENA BIT(5) #define LCD_V2_END_OF_FRAME0_INT_ENA BIT(8) #define LCD_V2_END_OF_FRAME1_INT_ENA BIT(9) #define LCD_DUAL_FRAME_BUFFER_ENABLE BIT(0) @@ -441,10 +442,10 @@ static int lcd_cfg_display(const struct lcd_ctrl_config *cfg) /* enable additional interrupts here */ if (lcd_revision == LCD_VERSION_1) { - reg |= LCD_V1_UNDERFLOW_INT_ENA; + reg |= LCD_V1_UNDERFLOW_INT_ENA | LCD_V1_SYNC_LOST_ENA; } else { reg_int = lcdc_read(LCD_INT_ENABLE_SET_REG) | - LCD_V2_UNDERFLOW_INT_ENA; + LCD_V2_UNDERFLOW_INT_ENA | LCD_SYNC_LOST; lcdc_write(reg_int, LCD_INT_ENABLE_SET_REG); } @@ -718,6 +719,7 @@ static irqreturn_t lcdc_irq_handler_rev02(int irq, void *arg) u32 reg_int; if ((stat & LCD_SYNC_LOST) && (stat & LCD_FIFO_UNDERFLOW)) { + pr_err("LCDC sync lost or underflow error occurred\n"); lcd_disable_raster(); lcdc_write(stat, LCD_MASKED_STAT_REG); lcd_enable_raster(); @@ -773,6 +775,7 @@ static irqreturn_t lcdc_irq_handler_rev01(int irq, void *arg) u32 reg_ras; if ((stat & LCD_SYNC_LOST) && (stat & LCD_FIFO_UNDERFLOW)) { + pr_err("LCDC sync lost or underflow error occurred\n"); lcd_disable_raster(); lcdc_write(stat, LCD_STAT_REG); lcd_enable_raster(); -- 1.7.1 _______________________________________________ Davinci-linux-open-source mailing list [email protected] http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source
