Attachment 15896 Details for Bug 15370 – set DVI encode mode for sdvo-hdmi

[patch] set DVI encode mode for sdvo-hdmi

set-hdmi-dvi-mode.patch (text/plain), 1.77 KB, created by Hong Liu on 2008-04-14 05:59:24 UTC

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Creator: Hong Liu

Created: 2008-04-14 05:59:24 UTC

Size: 1.77 KB

patch

obsolete

>diff --git a/src/i830_sdvo.c b/src/i830_sdvo.c
>index 2379127..7ffac94 100644
>--- a/src/i830_sdvo.c
>+++ b/src/i830_sdvo.c
>@@ -66,6 +66,8 @@ struct i830_sdvo_priv {
>      */
>     struct i830_sdvo_caps caps;
> 
>+    uint8_t hdmi_encode_mode;
>+
>     /** Pixel clock limitations reported by the SDVO device, in kHz */
>     int pixel_clock_min, pixel_clock_max;
> 
>@@ -998,6 +1000,9 @@ i830_sdvo_restore(xf86OutputPtr output)
> 
>     i830_sdvo_set_active_outputs(output, 0);
> 
>+    i830_sdvo_write_cmd(output, SDVO_CMD_SET_ENCODE,
>+	    		&dev_priv->hdmi_encode_mode, 1);
>+
>     for (o = SDVO_OUTPUT_FIRST; o <= SDVO_OUTPUT_LAST; o++)
>     {
> 	uint16_t this_output = (1 << o);
>@@ -1513,6 +1518,7 @@ i830_sdvo_init(ScrnInfoPtr pScrn, int output_device)
>     char		    name[60];
>     char		    *name_prefix;
>     char		    *name_suffix;
>+    uint8_t		    tmp;
> 
>     output = xf86OutputCreate (pScrn, &i830_sdvo_output_funcs,NULL);
>     if (!output)
>@@ -1616,6 +1622,10 @@ i830_sdvo_init(ScrnInfoPtr pScrn, int output_device)
>     intel_output->pDDCBus = ddcbus;
>     intel_output->dev_priv = dev_priv;
> 
>+    i830_sdvo_write_cmd(output, SDVO_CMD_GET_ENCODE, NULL, 0);
>+    i830_sdvo_read_response(output, &dev_priv->hdmi_encode_mode, 1);
>+    tmp = 0; /* set encode mode to DVI */
>+    i830_sdvo_write_cmd(output, SDVO_CMD_SET_ENCODE, &tmp, 1);
>     i830_sdvo_get_capabilities(output, &dev_priv->caps);
> 
>     if (dev_priv->caps.output_flags & SDVO_OUTPUT_TMDS0)
>diff --git a/src/i830_sdvo_regs.h b/src/i830_sdvo_regs.h
>index dc2522a..9ace458 100644
>--- a/src/i830_sdvo_regs.h
>+++ b/src/i830_sdvo_regs.h
>@@ -511,3 +511,5 @@ struct i830_sdvo_enhancements_arg {
> # define SDVO_CONTROL_BUS_DDC2				(1 << 2)
> # define SDVO_CONTROL_BUS_DDC3				(1 << 3)
> 
>+#define SDVO_CMD_GET_ENCODE	0x9e
>+#define SDVO_CMD_SET_ENCODE	0x9f

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