diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/video/sunxi_display.c | 27 |
1 files changed, 4 insertions, 23 deletions
diff --git a/drivers/video/sunxi_display.c b/drivers/video/sunxi_display.c index 5a14785..ced5ce5 100644 --- a/drivers/video/sunxi_display.c +++ b/drivers/video/sunxi_display.c @@ -501,6 +501,9 @@ static void sunxi_hdmi_mode_set(const struct ctfb_res_modes *mode, if (hdmi_mode) sunxi_hdmi_setup_info_frames(mode); + /* Set input sync enable */ + writel(SUNXI_HDMI_UNKNOWN_INPUT_SYNC, &hdmi->unknown); + /* Init various registers, select pll3 as clock source */ writel(SUNXI_HDMI_VIDEO_POL_TX_CLK, &hdmi->video_polarity); writel(SUNXI_HDMI_PAD_CTRL0_RUN, &hdmi->pad_ctrl0); @@ -556,41 +559,19 @@ static void sunxi_mode_set(const struct ctfb_res_modes *mode, char *monitor, struct sunxi_hdmi_reg * const hdmi = (struct sunxi_hdmi_reg *)SUNXI_HDMI_BASE; int clk_div, clk_double; - int retries = 3; bool hdmi_mode = strcmp(monitor, "hdmi") == 0; -retry: - clrbits_le32(&hdmi->video_ctrl, SUNXI_HDMI_VIDEO_CTRL_ENABLE); - clrbits_le32(&lcdc->ctrl, SUNXI_LCDC_CTRL_TCON_ENABLE); - clrbits_le32(&de_be->mode, SUNXI_DE_BE_MODE_START); - sunxi_composer_mode_set(mode, address); sunxi_lcdc_mode_set(mode, &clk_div, &clk_double); sunxi_hdmi_mode_set(mode, hdmi_mode, clk_div, clk_double); setbits_le32(&de_be->reg_ctrl, SUNXI_DE_BE_REG_CTRL_LOAD_REGS); setbits_le32(&de_be->mode, SUNXI_DE_BE_MODE_START); - - udelay(1000000 / mode->refresh + 500); - setbits_le32(&lcdc->ctrl, SUNXI_LCDC_CTRL_TCON_ENABLE); - udelay(1000000 / mode->refresh + 500); + udelay(100); setbits_le32(&hdmi->video_ctrl, SUNXI_HDMI_VIDEO_CTRL_ENABLE); - - udelay(1000000 / mode->refresh + 500); - - /* - * Sometimes the display pipeline does not sync up properly, if - * this happens the hdmi fifo underrun or overrun bits are set. - */ - if (readl(&hdmi->irq) & - (SUNXI_HDMI_IRQ_STATUS_FIFO_UF | SUNXI_HDMI_IRQ_STATUS_FIFO_OF)) { - if (retries--) - goto retry; - printf("HDMI fifo under or overrun\n"); - } } void *video_hw_init(void) |