summaryrefslogtreecommitdiff
path: root/src
diff options
context:
space:
mode:
authorEric Anholt <eric@anholt.net>2006-10-31 14:32:00 -0800
committerEric Anholt <eric@anholt.net>2006-10-31 14:32:00 -0800
commit68cef9f4e028755bbf3e1862da2ef47d46ddaa6a (patch)
tree1f5018a6e0492efff7130b97b18864d00df1d4ad /src
parent9fd719fce27f916ab5120f6e1234affa14eaed9d (diff)
Move output connection detection to a per-output method.
This will be used by RandR, and should let us clean up some of the initial display configuration, hopefully. Also, analog hotplug-based detection is now enabled on G965.
Diffstat (limited to 'src')
-rw-r--r--src/i830.h11
-rw-r--r--src/i830_crt.c162
-rw-r--r--src/i830_display.c147
-rw-r--r--src/i830_display.h1
-rw-r--r--src/i830_driver.c59
-rw-r--r--src/i830_dvo.c12
-rw-r--r--src/i830_lvds.c14
-rw-r--r--src/i830_modes.c13
-rw-r--r--src/i830_sdvo.c12
-rw-r--r--src/i830_sdvo.h3
-rw-r--r--src/i830_tv.c13
11 files changed, 261 insertions, 186 deletions
diff --git a/src/i830.h b/src/i830.h
index 40c8cce6..b962e88c 100644
--- a/src/i830.h
+++ b/src/i830.h
@@ -207,6 +207,12 @@ struct _I830DVODriver {
extern const char *i830_output_type_names[];
+enum detect_status {
+ OUTPUT_STATUS_CONNECTED,
+ OUTPUT_STATUS_DISCONNECTED,
+ OUTPUT_STATUS_UNKNOWN
+};
+
struct _I830OutputRec {
int type;
int pipe;
@@ -258,6 +264,11 @@ struct _I830OutputRec {
void (*post_set_mode)(ScrnInfoPtr pScrn, I830OutputPtr output,
DisplayModePtr pMode);
+ /**
+ * Probe for a connected output, and return detect_status.
+ */
+ enum detect_status (*detect)(ScrnInfoPtr pScrn, I830OutputPtr output);
+
xf86MonPtr MonInfo;
I2CBusPtr pI2CBus;
I2CBusPtr pDDCBus;
diff --git a/src/i830_crt.c b/src/i830_crt.c
index 7721a0c2..d271eedb 100644
--- a/src/i830_crt.c
+++ b/src/i830_crt.c
@@ -112,6 +112,167 @@ i830_crt_post_set_mode(ScrnInfoPtr pScrn, I830OutputPtr output,
OUTREG(ADPA, adpa);
}
+/**
+ * Uses CRT_HOTPLUG_EN and CRT_HOTPLUG_STAT to detect CRT presence.
+ *
+ * Only for I945G/GM.
+ *
+ * \return TRUE if CRT is connected.
+ * \return FALSE if CRT is disconnected.
+ */
+static Bool
+i830_crt_detect_hotplug(ScrnInfoPtr pScrn)
+{
+ I830Ptr pI830 = I830PTR(pScrn);
+ CARD32 temp;
+ const int timeout_ms = 1000;
+ int starttime, curtime;
+
+ temp = INREG(PORT_HOTPLUG_EN);
+
+ OUTREG(PORT_HOTPLUG_EN, temp | CRT_HOTPLUG_FORCE_DETECT | (1 << 5));
+
+ for (curtime = starttime = GetTimeInMillis();
+ (curtime - starttime) < timeout_ms; curtime = GetTimeInMillis())
+ {
+ if ((INREG(PORT_HOTPLUG_EN) & CRT_HOTPLUG_FORCE_DETECT) == 0)
+ break;
+ }
+
+ if ((INREG(PORT_HOTPLUG_STAT) & CRT_HOTPLUG_MONITOR_MASK) ==
+ CRT_HOTPLUG_MONITOR_COLOR)
+ {
+ return TRUE;
+ } else {
+ return FALSE;
+ }
+}
+
+/**
+ * Detects CRT presence by checking for load.
+ *
+ * Requires that the current pipe's DPLL is active. This will cause flicker
+ * on the CRT, so it should not be used while the display is being used. Only
+ * color (not monochrome) displays are detected.
+ *
+ * \return TRUE if CRT is connected.
+ * \return FALSE if CRT is disconnected.
+ */
+static Bool
+i830_crt_detect_load(ScrnInfoPtr pScrn)
+{
+ I830Ptr pI830 = I830PTR(pScrn);
+ CARD32 adpa, pipeconf;
+ CARD8 st00;
+ int pipeconf_reg, bclrpat_reg, dpll_reg;
+ int pipe;
+
+ pipe = pI830->pipe;
+ if (pipe == 0) {
+ bclrpat_reg = BCLRPAT_A;
+ pipeconf_reg = PIPEACONF;
+ dpll_reg = DPLL_A;
+ } else {
+ bclrpat_reg = BCLRPAT_B;
+ pipeconf_reg = PIPEBCONF;
+ dpll_reg = DPLL_B;
+ }
+
+ /* Don't try this if the DPLL isn't running. */
+ if (!(INREG(dpll_reg) & DPLL_VCO_ENABLE))
+ return FALSE;
+
+ adpa = INREG(ADPA);
+
+ /* Enable CRT output if disabled. */
+ if (!(adpa & ADPA_DAC_ENABLE)) {
+ OUTREG(ADPA, adpa | ADPA_DAC_ENABLE |
+ ((pipe == 1) ? ADPA_PIPE_B_SELECT : 0));
+ }
+
+ /* Set the border color to red, green. Maybe we should save/restore this
+ * reg.
+ */
+ OUTREG(bclrpat_reg, 0x00500050);
+
+ /* Force the border color through the active region */
+ pipeconf = INREG(pipeconf_reg);
+ OUTREG(pipeconf_reg, pipeconf | PIPECONF_FORCE_BORDER);
+
+ /* Read the ST00 VGA status register */
+ st00 = pI830->readStandard(pI830, 0x3c2);
+
+ /* Restore previous settings */
+ OUTREG(pipeconf_reg, pipeconf);
+ OUTREG(ADPA, adpa);
+
+ if (st00 & (1 << 4))
+ return TRUE;
+ else
+ return FALSE;
+}
+
+/**
+ * Detects CRT presence by probing for a response on the DDC address.
+ *
+ * This takes approximately 5ms in testing on an i915GM, with CRT connected or
+ * not.
+ *
+ * \return TRUE if the CRT is connected and responded to DDC.
+ * \return FALSE if no DDC response was detected.
+ */
+static Bool
+i830_crt_detect_ddc(ScrnInfoPtr pScrn)
+{
+ I830Ptr pI830 = I830PTR(pScrn);
+ struct _I830OutputRec *output;
+
+ output = &pI830->output[0];
+ /* CRT should always be at 0, but check anyway */
+ if (output->type != I830_OUTPUT_ANALOG)
+ return FALSE;
+
+ return xf86I2CProbeAddress(output->pDDCBus, 0x00A0);
+}
+
+/**
+ * Attempts to detect CRT presence through any method available.
+ *
+ * @param allow_disturb enables detection methods that may cause flickering
+ * on active displays.
+ */
+static enum detect_status
+i830_crt_detect(ScrnInfoPtr pScrn, I830OutputPtr output)
+{
+ I830Ptr pI830 = I830PTR(pScrn);
+
+ if (IS_I945G(pI830) || IS_I945GM(pI830) || IS_I965G(pI830)) {
+ if (i830_crt_detect_hotplug(pScrn))
+ return OUTPUT_STATUS_CONNECTED;
+ else
+ return OUTPUT_STATUS_DISCONNECTED;
+ }
+
+ if (i830_crt_detect_ddc(pScrn))
+ return OUTPUT_STATUS_CONNECTED;
+
+ /* Use the load-detect method if we're not currently outputting to the CRT,
+ * or we don't care.
+ *
+ * Actually, the method is unreliable currently. We need to not share a
+ * pipe, as it seems having other outputs on that pipe will result in a
+ * false positive.
+ */
+ if (0) {
+ if (i830_crt_detect_load(pScrn))
+ return OUTPUT_STATUS_CONNECTED;
+ else
+ return OUTPUT_STATUS_DISCONNECTED;
+ }
+
+ return OUTPUT_STATUS_UNKNOWN;
+}
+
void
i830_crt_init(ScrnInfoPtr pScrn)
{
@@ -124,6 +285,7 @@ i830_crt_init(ScrnInfoPtr pScrn)
pI830->output[pI830->num_outputs].mode_valid = i830_crt_mode_valid;
pI830->output[pI830->num_outputs].pre_set_mode = i830_crt_pre_set_mode;
pI830->output[pI830->num_outputs].post_set_mode = i830_crt_post_set_mode;
+ pI830->output[pI830->num_outputs].detect = i830_crt_detect;
/* Set up the DDC bus. */
I830I2CInit(pScrn, &pI830->output[pI830->num_outputs].pDDCBus,
diff --git a/src/i830_display.c b/src/i830_display.c
index 41f8c213..3151fd10 100644
--- a/src/i830_display.c
+++ b/src/i830_display.c
@@ -831,150 +831,3 @@ i830DescribeOutputConfiguration(ScrnInfoPtr pScrn)
pI830->output[i].pipe == 0 ? 'A' : 'B');
}
}
-
-/**
- * Uses CRT_HOTPLUG_EN and CRT_HOTPLUG_STAT to detect CRT presence.
- *
- * Only for I945G/GM.
- */
-static Bool
-i830HotplugDetectCRT(ScrnInfoPtr pScrn)
-{
- I830Ptr pI830 = I830PTR(pScrn);
- CARD32 temp;
- const int timeout_ms = 1000;
- int starttime, curtime;
-
- temp = INREG(PORT_HOTPLUG_EN);
-
- OUTREG(PORT_HOTPLUG_EN, temp | CRT_HOTPLUG_FORCE_DETECT | (1 << 5));
-
- for (curtime = starttime = GetTimeInMillis();
- (curtime - starttime) < timeout_ms; curtime = GetTimeInMillis())
- {
- if ((INREG(PORT_HOTPLUG_EN) & CRT_HOTPLUG_FORCE_DETECT) == 0)
- break;
- }
-
- if ((INREG(PORT_HOTPLUG_STAT) & CRT_HOTPLUG_MONITOR_MASK) ==
- CRT_HOTPLUG_MONITOR_COLOR)
- {
- return TRUE;
- } else {
- return FALSE;
- }
-}
-
-/**
- * Detects CRT presence by checking for load.
- *
- * Requires that the current pipe's DPLL is active. This will cause flicker
- * on the CRT, so it should not be used while the display is being used. Only
- * color (not monochrome) displays are detected.
- */
-static Bool
-i830LoadDetectCRT(ScrnInfoPtr pScrn)
-{
- I830Ptr pI830 = I830PTR(pScrn);
- CARD32 adpa, pipeconf;
- CARD8 st00;
- int pipeconf_reg, bclrpat_reg, dpll_reg;
- int pipe;
-
- pipe = pI830->pipe;
- if (pipe == 0) {
- bclrpat_reg = BCLRPAT_A;
- pipeconf_reg = PIPEACONF;
- dpll_reg = DPLL_A;
- } else {
- bclrpat_reg = BCLRPAT_B;
- pipeconf_reg = PIPEBCONF;
- dpll_reg = DPLL_B;
- }
-
- /* Don't try this if the DPLL isn't running. */
- if (!(INREG(dpll_reg) & DPLL_VCO_ENABLE))
- return FALSE;
-
- adpa = INREG(ADPA);
-
- /* Enable CRT output if disabled. */
- if (!(adpa & ADPA_DAC_ENABLE)) {
- OUTREG(ADPA, adpa | ADPA_DAC_ENABLE |
- ((pipe == 1) ? ADPA_PIPE_B_SELECT : 0));
- }
-
- /* Set the border color to red, green. Maybe we should save/restore this
- * reg.
- */
- OUTREG(bclrpat_reg, 0x00500050);
-
- /* Force the border color through the active region */
- pipeconf = INREG(pipeconf_reg);
- OUTREG(pipeconf_reg, pipeconf | PIPECONF_FORCE_BORDER);
-
- /* Read the ST00 VGA status register */
- st00 = pI830->readStandard(pI830, 0x3c2);
-
- /* Restore previous settings */
- OUTREG(pipeconf_reg, pipeconf);
- OUTREG(ADPA, adpa);
-
- if (st00 & (1 << 4))
- return TRUE;
- else
- return FALSE;
-}
-
-/**
- * Detects CRT presence by probing for a response on the DDC address.
- *
- * This takes approximately 5ms in testing on an i915GM, with CRT connected or
- * not.
- */
-static Bool
-i830DDCDetectCRT(ScrnInfoPtr pScrn)
-{
- I830Ptr pI830 = I830PTR(pScrn);
- struct _I830OutputRec *output;
-
- output = &pI830->output[0];
- /* CRT should always be at 0, but check anyway */
- if (output->type != I830_OUTPUT_ANALOG)
- return FALSE;
-
- return xf86I2CProbeAddress(output->pDDCBus, 0x00A0);
-}
-
-/**
- * Attempts to detect CRT presence through any method available.
- *
- * @param allow_disturb enables detection methods that may cause flickering
- * on active displays.
- */
-Bool
-i830DetectCRT(ScrnInfoPtr pScrn, Bool allow_disturb)
-{
- I830Ptr pI830 = I830PTR(pScrn);
- Bool found_ddc;
-
- if (IS_I945G(pI830) || IS_I945GM(pI830))
- return i830HotplugDetectCRT(pScrn);
-
- found_ddc = i830DDCDetectCRT(pScrn);
- if (found_ddc)
- return TRUE;
-
- /* Use the load-detect method if we're not currently outputting to the CRT,
- * or we don't care.
- *
- * Actually, the method is unreliable currently. We need to not share a
- * pipe, as it seems having other outputs on that pipe will result in a
- * false positive.
- */
- if (0 && (allow_disturb || !(INREG(ADPA) & !ADPA_DAC_ENABLE))) {
- return i830LoadDetectCRT(pScrn);
- }
-
- return FALSE;
-}
diff --git a/src/i830_display.h b/src/i830_display.h
index 576a1491..8a6e9e90 100644
--- a/src/i830_display.h
+++ b/src/i830_display.h
@@ -29,7 +29,6 @@
Bool i830PipeSetMode(ScrnInfoPtr pScrn, DisplayModePtr pMode, int pipe);
void i830DisableUnusedFunctions(ScrnInfoPtr pScrn);
Bool i830SetMode(ScrnInfoPtr pScrn, DisplayModePtr pMode);
-Bool i830DetectCRT(ScrnInfoPtr pScrn, Bool allow_disturb);
void i830PipeSetBase(ScrnInfoPtr pScrn, int pipe, int x, int y);
void i830WaitForVblank(ScrnInfoPtr pScrn);
void i830DescribeOutputConfiguration(ScrnInfoPtr pScrn);
diff --git a/src/i830_driver.c b/src/i830_driver.c
index f142c4b2..2c7eca73 100644
--- a/src/i830_driver.c
+++ b/src/i830_driver.c
@@ -1439,28 +1439,36 @@ I830PreInit(ScrnInfoPtr pScrn, int flags)
pI830->operatingDevices = (pI830->MonType2 << 8) | pI830->MonType1;
pI830->specifiedMonitor = TRUE;
} else if (I830IsPrimary(pScrn)) {
- /* Choose a default set of outputs to use based on what we've detected. */
- if (i830DetectCRT(pScrn, TRUE)) {
- pI830->MonType1 |= PIPE_CRT;
- }
-
- /* Check for attached SDVO outputs. Assume that they're flat panels for
- * now. Though really, it's just a name at the moment, since we don't
- * treat different SDVO outputs differently. Also, check for LVDS and
- * set it to the right pipe if available.
+ /* Choose a default set of outputs to use based on what we've detected.
+ *
+ * Assume that SDVO outputs are flat panels for now. It's just a name
+ * at the moment, since we don't treat different SDVO outputs
+ * differently.
*/
for (i = 0; i < pI830->num_outputs; i++) {
if (pI830->output[i].type == I830_OUTPUT_LVDS)
- pI830->MonType2 |= PIPE_LFP;
+ pI830->MonType2 = PIPE_LFP;
+
+ if (pI830->output[i].type == I830_OUTPUT_SDVO ||
+ pI830->output[i].type == I830_OUTPUT_ANALOG)
+ {
+ int pipetype;
- if (pI830->output[i].type == I830_OUTPUT_SDVO) {
- if (!i830_sdvo_detect_displays(pScrn, &pI830->output[i]))
+ if (pI830->output[i].detect(pScrn, &pI830->output[i]) ==
+ OUTPUT_STATUS_DISCONNECTED)
+ {
continue;
+ }
+
+ if (pI830->output[i].type == I830_OUTPUT_SDVO)
+ pipetype = PIPE_DFP;
+ else
+ pipetype = PIPE_CRT;
if (pI830->MonType1 == PIPE_NONE)
- pI830->MonType1 |= PIPE_DFP;
+ pI830->MonType1 |= pipetype;
else if (pI830->MonType2 == PIPE_NONE)
- pI830->MonType2 |= PIPE_DFP;
+ pI830->MonType2 |= pipetype;
}
}
@@ -3891,22 +3899,23 @@ i830MonitorDetectDebugger(ScrnInfoPtr pScrn)
if (!pScrn->vtSema)
return 1000;
- start = GetTimeInMillis();
- found_crt = i830DetectCRT(pScrn, FALSE);
- finish = GetTimeInMillis();
- xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Detected CRT as %s in %dms\n",
- found_crt ? "connected" : "disconnected", finish - start);
-
for (i = 0; i < pI830->num_outputs; i++) {
- Bool found_sdvo = TRUE;
+ enum output_status ret;
+ char *result;
- if (pI830->output[i].type != I830_OUTPUT_SDVO)
- continue;
start = GetTimeInMillis();
- found_sdvo = i830_sdvo_detect_displays(pScrn, &pI830->output[i]);
+ ret = pI830->output[i].detect(pScrn, &pI830->output[i]);
finish = GetTimeInMillis();
+
+ if (ret == OUTPUT_STATUS_CONNECTED)
+ result = "connected";
+ else if (ret == OUTPUT_STATUS_DISCONNECTED)
+ result = "disconnected";
+ else
+ result = "unknown";
+
xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Detected SDVO as %s in %dms\n",
- found_sdvo ? "connected" : "disconnected", finish - start);
+ result, finish - start);
}
}
#endif
diff --git a/src/i830_dvo.c b/src/i830_dvo.c
index 01858f2c..ed21ecc5 100644
--- a/src/i830_dvo.c
+++ b/src/i830_dvo.c
@@ -144,6 +144,17 @@ i830_dvo_post_set_mode(ScrnInfoPtr pScrn, I830OutputPtr output,
OUTREG(DVOC, dvo);
}
+/**
+ * Detect the output connection on our DVO device.
+ *
+ * Unimplemented.
+ */
+static enum detect_status
+i830_dvo_detect(ScrnInfoPtr pScrn, I830OutputPtr output)
+{
+ return OUTPUT_STATUS_UNKNOWN;
+}
+
static Bool
I830I2CDetectDVOControllers(ScrnInfoPtr pScrn, I2CBusPtr pI2CBus,
struct _I830DVODriver **retdrv)
@@ -189,6 +200,7 @@ i830_dvo_init(ScrnInfoPtr pScrn)
pI830->output[i].mode_valid = i830_dvo_mode_valid;
pI830->output[i].pre_set_mode = i830_dvo_pre_set_mode;
pI830->output[i].post_set_mode = i830_dvo_post_set_mode;
+ pI830->output[i].detect = i830_dvo_detect;
/* Set up the I2C and DDC buses */
ret = I830I2CInit(pScrn, &pI830->output[i].pI2CBus, GPIOE, "DVOI2C_E");
diff --git a/src/i830_lvds.c b/src/i830_lvds.c
index 5b039b8e..e0e471ff 100644
--- a/src/i830_lvds.c
+++ b/src/i830_lvds.c
@@ -31,6 +31,7 @@
#include "xf86.h"
#include "i830.h"
+#include "i830_bios.h"
/**
* Sets the power state for the panel.
@@ -176,6 +177,18 @@ i830_lvds_post_set_mode(ScrnInfoPtr pScrn, I830OutputPtr output,
i830SetLVDSPanelPower(pScrn, TRUE);
}
+/**
+ * Detect the LVDS connection.
+ *
+ * This always returns OUTPUT_STATUS_CONNECTED. This output should only have
+ * been set up if the LVDS was actually connected anyway.
+ */
+static enum detect_status
+i830_lvds_detect(ScrnInfoPtr pScrn, I830OutputPtr output)
+{
+ return OUTPUT_STATUS_CONNECTED;
+}
+
void
i830_lvds_init(ScrnInfoPtr pScrn)
{
@@ -221,6 +234,7 @@ i830_lvds_init(ScrnInfoPtr pScrn)
pI830->output[pI830->num_outputs].mode_valid = i830_lvds_mode_valid;
pI830->output[pI830->num_outputs].pre_set_mode = i830_lvds_pre_set_mode;
pI830->output[pI830->num_outputs].post_set_mode = i830_lvds_post_set_mode;
+ pI830->output[pI830->num_outputs].detect = i830_lvds_detect;
/* Set up the LVDS DDC channel. Most panels won't support it, but it can
* be useful if available.
diff --git a/src/i830_modes.c b/src/i830_modes.c
index 633ac832..130b7fe5 100644
--- a/src/i830_modes.c
+++ b/src/i830_modes.c
@@ -803,17 +803,18 @@ I830ReprobePipeModeList(ScrnInfoPtr pScrn, int pipe)
* is plugged in, then assume that it is.
*/
if (pI830->pipeMon[pipe] == NULL) {
+ enum detect_status detect;
+
+ detect = pI830->output[output_index].detect(pScrn,
+ &pI830->output[output_index]);
+
switch (pI830->output[output_index].type) {
case I830_OUTPUT_SDVO:
- if (i830_sdvo_detect_displays(pScrn, &pI830->output[output_index]))
+ if (detect == OUTPUT_STATUS_CONNECTED)
pI830->pipeMon[pipe] = i830GetConfiguredMonitor(pScrn);
break;
case I830_OUTPUT_ANALOG:
- /* Do a disruptive detect if necessary, since we want to be sure we
- * know if a monitor is attached, and this detect process should be
- * infrequent.
- */
- if (i830DetectCRT(pScrn, TRUE)) {
+ if (detect == OUTPUT_STATUS_CONNECTED) {
/* if (pipe == pI830->pipe)
pI830->pipeMon[pipe] = i830GetConfiguredMonitor(pScrn);
else */
diff --git a/src/i830_sdvo.c b/src/i830_sdvo.c
index d3f509e5..3932ea65 100644
--- a/src/i830_sdvo.c
+++ b/src/i830_sdvo.c
@@ -904,8 +904,8 @@ i830_sdvo_dump(ScrnInfoPtr pScrn)
*
* Takes 14ms on average on my i945G.
*/
-Bool
-i830_sdvo_detect_displays(ScrnInfoPtr pScrn, I830OutputPtr output)
+static enum detect_status
+i830_sdvo_detect(ScrnInfoPtr pScrn, I830OutputPtr output)
{
CARD8 response[2];
CARD8 status;
@@ -914,9 +914,12 @@ i830_sdvo_detect_displays(ScrnInfoPtr pScrn, I830OutputPtr output)
status = i830_sdvo_read_response(output, &response, 2);
if (status != SDVO_CMD_STATUS_SUCCESS)
- return FALSE;
+ return OUTPUT_STATUS_UNKNOWN;
- return (response[0] != 0 || response[1] != 0);
+ if (response[0] != 0 || response[1] != 0)
+ return OUTPUT_STATUS_CONNECTED;
+ else
+ return OUTPUT_STATUS_DISCONNECTED;
}
void
@@ -936,6 +939,7 @@ i830_sdvo_init(ScrnInfoPtr pScrn, int output_device)
output->mode_valid = i830_sdvo_mode_valid;
output->pre_set_mode = i830_sdvo_pre_set_mode;
output->post_set_mode = i830_sdvo_post_set_mode;
+ output->detect = i830_sdvo_detect;
/* While it's the same bus, we just initialize a new copy to avoid trouble
* with tracking refcounting ourselves, since the XFree86 DDX bits don't.
diff --git a/src/i830_sdvo.h b/src/i830_sdvo.h
index b1d86b41..1368e43b 100644
--- a/src/i830_sdvo.h
+++ b/src/i830_sdvo.h
@@ -31,8 +31,5 @@ i830_sdvo_init(ScrnInfoPtr pScrn, int output_device);
int
i830_sdvo_get_pixel_multiplier(DisplayModePtr pMode);
-Bool
-i830_sdvo_detect_displays(ScrnInfoPtr pScrn, I830OutputPtr output);
-
void
i830_sdvo_dump(ScrnInfoPtr pScrn);
diff --git a/src/i830_tv.c b/src/i830_tv.c
index 2adbe91b..3e728822 100644
--- a/src/i830_tv.c
+++ b/src/i830_tv.c
@@ -405,6 +405,18 @@ i830_tv_post_set_mode(ScrnInfoPtr pScrn, I830OutputPtr output,
OUTREG(TV_CTL, tv_ctl);
}
+/**
+ * Detect the TV connection.
+ *
+ * Currently this always returns OUTPUT_STATUS_UNKNOWN, as we need to be sure
+ * we have a pipe programmed in order to probe the TV.
+ */
+static enum detect_status
+i830_tv_detect(ScrnInfoPtr pScrn, I830OutputPtr output)
+{
+ return OUTPUT_STATUS_UNKNOWN;
+}
+
void
i830_tv_init(ScrnInfoPtr pScrn)
{
@@ -425,6 +437,7 @@ i830_tv_init(ScrnInfoPtr pScrn)
pI830->output[pI830->num_outputs].mode_valid = i830_tv_mode_valid;
pI830->output[pI830->num_outputs].pre_set_mode = i830_tv_pre_set_mode;
pI830->output[pI830->num_outputs].post_set_mode = i830_tv_post_set_mode;
+ pI830->output[pI830->num_outputs].detect = i830_tv_detect;
pI830->num_outputs++;
}