Attachment 26216 Details for Bug 20429 – [patch 3/4]: add a function that find a slave address for one SDVO port

[patch] [patch 3/4]: add a function that find a slave address for one SDVO port

vbios_sdvo2.patch (text/plain), 1.80 KB, created by ykzhao on 2009-05-26 02:19:07 UTC

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Creator: ykzhao

Created: 2009-05-26 02:19:07 UTC

Size: 1.80 KB

patch

obsolete

>Subject: GFX: Add a function that find the correct slave addrss for one SDVO port
>
>Use the info parsed in general definition block to find the correct
>slave address for one SDVO port
>
>---
> src/i830_bios.c |   30 ++++++++++++++++++++++++++++++
> src/i830_sdvo.h |    2 ++
> 2 files changed, 32 insertions(+)
>
>Index: xf86-video-intel/src/i830_bios.c
>===================================================================
>--- xf86-video-intel.orig/src/i830_bios.c	2009-05-26 12:58:47.000000000 +0800
>+++ xf86-video-intel/src/i830_bios.c	2009-05-26 13:00:58.000000000 +0800
>@@ -350,3 +350,33 @@
> 
>     return 0;
> }
>+/**
>+ * find_sdvo_slave - find the slave address according to the dvo port
>+ *
>+ * The mappings between the DVO port and slave address are parsed from
>+ * the child device array contained in general definition block.
>+ *
>+ * Returns 0 on success, and the slave_addr is also returned
>+ * nonzero on failure.
>+ */
>+int find_sdvo_slave(int output_device, uint8_t *slave_addr)
>+{
>+	uint8_t dvo_port = 0;
>+	uint8_t temp_slave_addr;
>+	struct sdvo_device_mapping *p_mapping;
>+
>+	if (output_device == SDVOB)
>+		dvo_port = DEVICE_PORT_DVOB;
>+	else
>+		dvo_port = DEVICE_PORT_DVOC;
>+	p_mapping = &sdvo_mappings[dvo_port - 1];
>+	temp_slave_addr = p_mapping->slave_addr;
>+	if (!temp_slave_addr) {
>+		/* No slave address , return failure.*/
>+		return 1;
>+	}
>+	/* get the correct slave address */
>+	*slave_addr = temp_slave_addr;
>+
>+	return 0;
>+}
>Index: xf86-video-intel/src/i830_sdvo.h
>===================================================================
>--- xf86-video-intel.orig/src/i830_sdvo.h	2009-05-26 12:59:13.000000000 +0800
>+++ xf86-video-intel/src/i830_sdvo.h	2009-05-26 13:02:44.000000000 +0800
>@@ -27,3 +27,5 @@
> 
> Bool
> i830_sdvo_init(ScrnInfoPtr pScrn, int output_device);
>+
>+int find_sdvo_slave(int output_device, uint8_t *slave_addr);

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Attachments on bug 20429: 23447 | 23470 | 23471 | 24454 | 24508 | 24960 | 24978 | 25213 | 25561 | 25562 | 26214 | 26215 | 26216 | 26217

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