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Merge branch 'drm-next' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6

Browse source 
* 'drm-next' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6:
  drm: fix ordering of driver unload vs agp unload.
  drm/i915: Respect the other stolen memory sizes we know of.
  drm/i915: Non-mobile parts don't have integrated TV-out.
  drm/i915: Add support for integrated HDMI on G4X hardware.
  drm/i915: Pin cursor bo and unpin old bo when setting cursor.
  drm/i915: Don't allow objects to get bound while VT switched.
This commit is contained in:
Linus Torvalds 2009-01-06 18:06:44 -08:00
commit c89a9f5a42
10 changed files with 407 additions and 49 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
drivers/gpu/drm/drm_drv.c
View file

@ -314,14 +314,14 @@ static void drm_cleanup(struct drm_device * dev)
DRM_DEBUG("mtrr_del=%d\n", retval);
}
if (dev->driver->unload)
dev->driver->unload(dev);
if (drm_core_has_AGP(dev) && dev->agp) {
drm_free(dev->agp, sizeof(*dev->agp), DRM_MEM_AGPLISTS);
dev->agp = NULL;
}
if (dev->driver->unload)
dev->driver->unload(dev);
drm_ht_remove(&dev->map_hash);
drm_ctxbitmap_cleanup(dev);

1
drivers/gpu/drm/i915/Makefile
View file

@ -13,6 +13,7 @@ i915-y := i915_drv.o i915_dma.o i915_irq.o i915_mem.o \
intel_crt.o \
intel_lvds.o \
intel_bios.o \
intel_hdmi.o \
intel_sdvo.o \
intel_modes.o \
intel_i2c.o \

66
drivers/gpu/drm/i915/i915_dma.c
View file

@ -827,6 +827,7 @@ static int i915_probe_agp(struct drm_device *dev, unsigned long *aperture_size,
struct pci_dev *bridge_dev;
u16 tmp = 0;
unsigned long overhead;
unsigned long stolen;
bridge_dev = pci_get_bus_and_slot(0, PCI_DEVFN(0,0));
if (!bridge_dev) {
@ -866,36 +867,55 @@ static int i915_probe_agp(struct drm_device *dev, unsigned long *aperture_size,
else
overhead = (*aperture_size / 1024) + 4096;
switch (tmp & INTEL_855_GMCH_GMS_MASK) {
case INTEL_855_GMCH_GMS_STOLEN_1M:
break; /* 1M already */
case INTEL_855_GMCH_GMS_STOLEN_4M:
*preallocated_size *= 4;
break;
case INTEL_855_GMCH_GMS_STOLEN_8M:
*preallocated_size *= 8;
break;
case INTEL_855_GMCH_GMS_STOLEN_16M:
*preallocated_size *= 16;
break;
case INTEL_855_GMCH_GMS_STOLEN_32M:
*preallocated_size *= 32;
break;
case INTEL_915G_GMCH_GMS_STOLEN_48M:
*preallocated_size *= 48;
break;
case INTEL_915G_GMCH_GMS_STOLEN_64M:
*preallocated_size *= 64;
break;
switch (tmp & INTEL_GMCH_GMS_MASK) {
case INTEL_855_GMCH_GMS_DISABLED:
DRM_ERROR("video memory is disabled\n");
return -1;
case INTEL_855_GMCH_GMS_STOLEN_1M:
stolen = 1 * 1024 * 1024;
break;
case INTEL_855_GMCH_GMS_STOLEN_4M:
stolen = 4 * 1024 * 1024;
break;
case INTEL_855_GMCH_GMS_STOLEN_8M:
stolen = 8 * 1024 * 1024;
break;
case INTEL_855_GMCH_GMS_STOLEN_16M:
stolen = 16 * 1024 * 1024;
break;
case INTEL_855_GMCH_GMS_STOLEN_32M:
stolen = 32 * 1024 * 1024;
break;
case INTEL_915G_GMCH_GMS_STOLEN_48M:
stolen = 48 * 1024 * 1024;
break;
case INTEL_915G_GMCH_GMS_STOLEN_64M:
stolen = 64 * 1024 * 1024;
break;
case INTEL_GMCH_GMS_STOLEN_128M:
stolen = 128 * 1024 * 1024;
break;
case INTEL_GMCH_GMS_STOLEN_256M:
stolen = 256 * 1024 * 1024;
break;
case INTEL_GMCH_GMS_STOLEN_96M:
stolen = 96 * 1024 * 1024;
break;
case INTEL_GMCH_GMS_STOLEN_160M:
stolen = 160 * 1024 * 1024;
break;
case INTEL_GMCH_GMS_STOLEN_224M:
stolen = 224 * 1024 * 1024;
break;
case INTEL_GMCH_GMS_STOLEN_352M:
stolen = 352 * 1024 * 1024;
break;
default:
DRM_ERROR("unexpected GMCH_GMS value: 0x%02x\n",
tmp & INTEL_855_GMCH_GMS_MASK);
tmp & INTEL_GMCH_GMS_MASK);
return -1;
}
*preallocated_size -= overhead;
*preallocated_size = stolen - overhead;
return 0;
}

2
drivers/gpu/drm/i915/i915_drv.h
View file

@ -664,6 +664,7 @@ extern void intel_modeset_cleanup(struct drm_device *dev);
writel(upper_32_bits(val), dev_priv->regs + \
(reg) + 4))
#endif
#define POSTING_READ(reg) (void)I915_READ(reg)
#define I915_VERBOSE 0
@ -760,6 +761,7 @@ extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller);
IS_I945GM(dev) || IS_I965GM(dev) || IS_GM45(dev))
#define I915_NEED_GFX_HWS(dev) (IS_G33(dev) || IS_GM45(dev) || IS_G4X(dev))
#define SUPPORTS_INTEGRATED_HDMI(dev) (IS_G4X(dev))
#define PRIMARY_RINGBUFFER_SIZE (128*1024)

15
drivers/gpu/drm/i915/i915_gem.c
View file

@ -1623,6 +1623,8 @@ i915_gem_object_bind_to_gtt(struct drm_gem_object *obj, unsigned alignment)
struct drm_mm_node *free_space;
int page_count, ret;
if (dev_priv->mm.suspended)
return -EBUSY;
if (alignment == 0)
alignment = PAGE_SIZE;
if (alignment & (PAGE_SIZE - 1)) {
@ -2641,7 +2643,7 @@ i915_gem_object_pin(struct drm_gem_object *obj, uint32_t alignment)
if (obj_priv->gtt_space == NULL) {
ret = i915_gem_object_bind_to_gtt(obj, alignment);
if (ret != 0) {
if (ret != -ERESTARTSYS)
if (ret != -EBUSY && ret != -ERESTARTSYS)
DRM_ERROR("Failure to bind: %d", ret);
return ret;
}
@ -3219,20 +3221,21 @@ i915_gem_entervt_ioctl(struct drm_device *dev, void *data,
dev_priv->mm.wedged = 0;
}
ret = i915_gem_init_ringbuffer(dev);
if (ret != 0)
return ret;
dev_priv->mm.gtt_mapping = io_mapping_create_wc(dev->agp->base,
dev->agp->agp_info.aper_size
* 1024 * 1024);
mutex_lock(&dev->struct_mutex);
dev_priv->mm.suspended = 0;
ret = i915_gem_init_ringbuffer(dev);
if (ret != 0)
return ret;
BUG_ON(!list_empty(&dev_priv->mm.active_list));
BUG_ON(!list_empty(&dev_priv->mm.flushing_list));
BUG_ON(!list_empty(&dev_priv->mm.inactive_list));
BUG_ON(!list_empty(&dev_priv->mm.request_list));
dev_priv->mm.suspended = 0;
mutex_unlock(&dev->struct_mutex);
drm_irq_install(dev);

25
drivers/gpu/drm/i915/i915_reg.h
View file

@ -35,7 +35,7 @@
#define INTEL_GMCH_MEM_64M 0x1
#define INTEL_GMCH_MEM_128M 0
#define INTEL_855_GMCH_GMS_MASK (0x7 << 4)
#define INTEL_GMCH_GMS_MASK (0xf << 4)
#define INTEL_855_GMCH_GMS_DISABLED (0x0 << 4)
#define INTEL_855_GMCH_GMS_STOLEN_1M (0x1 << 4)
#define INTEL_855_GMCH_GMS_STOLEN_4M (0x2 << 4)
@ -45,6 +45,12 @@
#define INTEL_915G_GMCH_GMS_STOLEN_48M (0x6 << 4)
#define INTEL_915G_GMCH_GMS_STOLEN_64M (0x7 << 4)
#define INTEL_GMCH_GMS_STOLEN_128M (0x8 << 4)
#define INTEL_GMCH_GMS_STOLEN_256M (0x9 << 4)
#define INTEL_GMCH_GMS_STOLEN_96M (0xa << 4)
#define INTEL_GMCH_GMS_STOLEN_160M (0xb << 4)
#define INTEL_GMCH_GMS_STOLEN_224M (0xc << 4)
#define INTEL_GMCH_GMS_STOLEN_352M (0xd << 4)
/* PCI config space */
@ -549,6 +555,8 @@
/** GM965 GM45 render standby register */
#define MCHBAR_RENDER_STANDBY 0x111B8
#define PEG_BAND_GAP_DATA 0x14d68
/*
* Overlay regs
*/
@ -612,6 +620,9 @@
/* Hotplug control (945+ only) */
#define PORT_HOTPLUG_EN 0x61110
#define HDMIB_HOTPLUG_INT_EN (1 << 29)
#define HDMIC_HOTPLUG_INT_EN (1 << 28)
#define HDMID_HOTPLUG_INT_EN (1 << 27)
#define SDVOB_HOTPLUG_INT_EN (1 << 26)
#define SDVOC_HOTPLUG_INT_EN (1 << 25)
#define TV_HOTPLUG_INT_EN (1 << 18)
@ -619,6 +630,9 @@
#define CRT_HOTPLUG_FORCE_DETECT (1 << 3)
#define PORT_HOTPLUG_STAT 0x61114
#define HDMIB_HOTPLUG_INT_STATUS (1 << 29)
#define HDMIC_HOTPLUG_INT_STATUS (1 << 28)
#define HDMID_HOTPLUG_INT_STATUS (1 << 27)
#define CRT_HOTPLUG_INT_STATUS (1 << 11)
#define TV_HOTPLUG_INT_STATUS (1 << 10)
#define CRT_HOTPLUG_MONITOR_MASK (3 << 8)
@ -648,7 +662,16 @@
#define SDVO_PHASE_SELECT_DEFAULT (6 << 19)
#define SDVO_CLOCK_OUTPUT_INVERT (1 << 18)
#define SDVOC_GANG_MODE (1 << 16)
#define SDVO_ENCODING_SDVO (0x0 << 10)
#define SDVO_ENCODING_HDMI (0x2 << 10)
/** Requird for HDMI operation */
#define SDVO_NULL_PACKETS_DURING_VSYNC (1 << 9)
#define SDVO_BORDER_ENABLE (1 << 7)
#define SDVO_AUDIO_ENABLE (1 << 6)
/** New with 965, default is to be set */
#define SDVO_VSYNC_ACTIVE_HIGH (1 << 4)
/** New with 965, default is to be set */
#define SDVO_HSYNC_ACTIVE_HIGH (1 << 3)
#define SDVOB_PCIE_CONCURRENCY (1 << 3)
#define SDVO_DETECTED (1 << 2)
/* Bits to be preserved when writing */

48
drivers/gpu/drm/i915/intel_display.c
View file

@ -751,6 +751,7 @@ static void intel_crtc_mode_set(struct drm_crtc *crtc,
is_lvds = true;
break;
case INTEL_OUTPUT_SDVO:
case INTEL_OUTPUT_HDMI:
is_sdvo = true;
break;
case INTEL_OUTPUT_DVO:
@ -986,19 +987,17 @@ static int intel_crtc_cursor_set(struct drm_crtc *crtc,
uint32_t base = (pipe == 0) ? CURABASE : CURBBASE;
uint32_t temp;
size_t addr;
int ret;
DRM_DEBUG("\n");
/* if we want to turn off the cursor ignore width and height */
if (!handle) {
DRM_DEBUG("cursor off\n");
/* turn of the cursor */
temp = 0;
temp |= CURSOR_MODE_DISABLE;
I915_WRITE(control, temp);
I915_WRITE(base, 0);
return 0;
temp = CURSOR_MODE_DISABLE;
addr = 0;
bo = NULL;
goto finish;
}
/* Currently we only support 64x64 cursors */
@ -1025,15 +1024,30 @@ static int intel_crtc_cursor_set(struct drm_crtc *crtc,
addr = obj_priv->gtt_offset;
}
intel_crtc->cursor_addr = addr;
ret = i915_gem_object_pin(bo, PAGE_SIZE);
if (ret) {
DRM_ERROR("failed to pin cursor bo\n");
drm_gem_object_unreference(bo);
return ret;
}
temp = 0;
/* set the pipe for the cursor */
temp |= (pipe << 28);
temp |= CURSOR_MODE_64_ARGB_AX | MCURSOR_GAMMA_ENABLE;
finish:
I915_WRITE(control, temp);
I915_WRITE(base, addr);
if (intel_crtc->cursor_bo) {
i915_gem_object_unpin(intel_crtc->cursor_bo);
drm_gem_object_unreference(intel_crtc->cursor_bo);
}
intel_crtc->cursor_addr = addr;
intel_crtc->cursor_bo = bo;
return 0;
}
@ -1430,12 +1444,19 @@ static void intel_setup_outputs(struct drm_device *dev)
intel_lvds_init(dev);
if (IS_I9XX(dev)) {
intel_sdvo_init(dev, SDVOB);
intel_sdvo_init(dev, SDVOC);
int found;
found = intel_sdvo_init(dev, SDVOB);
if (!found && SUPPORTS_INTEGRATED_HDMI(dev))
intel_hdmi_init(dev, SDVOB);
found = intel_sdvo_init(dev, SDVOC);
if (!found && SUPPORTS_INTEGRATED_HDMI(dev))
intel_hdmi_init(dev, SDVOC);
} else
intel_dvo_init(dev);
if (IS_I9XX(dev) && !IS_I915G(dev))
if (IS_I9XX(dev) && IS_MOBILE(dev))
intel_tv_init(dev);
list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
@ -1445,6 +1466,11 @@ static void intel_setup_outputs(struct drm_device *dev)
/* valid crtcs */
switch(intel_output->type) {
case INTEL_OUTPUT_HDMI:
crtc_mask = ((1 << 0)|
(1 << 1));
clone_mask = ((1 << INTEL_OUTPUT_HDMI));
break;
case INTEL_OUTPUT_DVO:
case INTEL_OUTPUT_SDVO:
crtc_mask = ((1 << 0)|

5
drivers/gpu/drm/i915/intel_drv.h
View file

@ -53,6 +53,7 @@
#define INTEL_OUTPUT_SDVO 3
#define INTEL_OUTPUT_LVDS 4
#define INTEL_OUTPUT_TVOUT 5
#define INTEL_OUTPUT_HDMI 6
#define INTEL_DVO_CHIP_NONE 0
#define INTEL_DVO_CHIP_LVDS 1
@ -88,6 +89,7 @@ struct intel_crtc {
struct drm_crtc base;
int pipe;
int plane;
struct drm_gem_object *cursor_bo;
uint32_t cursor_addr;
u8 lut_r[256], lut_g[256], lut_b[256];
int dpms_mode;
@ -108,7 +110,8 @@ int intel_ddc_get_modes(struct intel_output *intel_output);
extern bool intel_ddc_probe(struct intel_output *intel_output);
extern void intel_crt_init(struct drm_device *dev);
extern void intel_sdvo_init(struct drm_device *dev, int output_device);
extern void intel_hdmi_init(struct drm_device *dev, int sdvox_reg);
extern bool intel_sdvo_init(struct drm_device *dev, int output_device);
extern void intel_dvo_init(struct drm_device *dev);
extern void intel_tv_init(struct drm_device *dev);
extern void intel_lvds_init(struct drm_device *dev);

280
drivers/gpu/drm/i915/intel_hdmi.c Normal file
View file

@ -0,0 +1,280 @@
/*
* Copyright 2006 Dave Airlie <airlied@linux.ie>
* Copyright © 2006-2009 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
* Authors:
* Eric Anholt <eric@anholt.net>
* Jesse Barnes <jesse.barnes@intel.com>
*/
#include <linux/i2c.h>
#include <linux/delay.h>
#include "drmP.h"
#include "drm.h"
#include "drm_crtc.h"
#include "intel_drv.h"
#include "i915_drm.h"
#include "i915_drv.h"
struct intel_hdmi_priv {
u32 sdvox_reg;
u32 save_SDVOX;
int has_hdmi_sink;
};
static void intel_hdmi_mode_set(struct drm_encoder *encoder,
struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode)
{
struct drm_device *dev = encoder->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct drm_crtc *crtc = encoder->crtc;
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
struct intel_output *intel_output = enc_to_intel_output(encoder);
struct intel_hdmi_priv *hdmi_priv = intel_output->dev_priv;
u32 sdvox;
sdvox = SDVO_ENCODING_HDMI |
SDVO_BORDER_ENABLE |
SDVO_VSYNC_ACTIVE_HIGH |
SDVO_HSYNC_ACTIVE_HIGH;
if (hdmi_priv->has_hdmi_sink)
sdvox |= SDVO_AUDIO_ENABLE;
if (intel_crtc->pipe == 1)
sdvox |= SDVO_PIPE_B_SELECT;
I915_WRITE(hdmi_priv->sdvox_reg, sdvox);
POSTING_READ(hdmi_priv->sdvox_reg);
}
static void intel_hdmi_dpms(struct drm_encoder *encoder, int mode)
{
struct drm_device *dev = encoder->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_output *intel_output = enc_to_intel_output(encoder);
struct intel_hdmi_priv *hdmi_priv = intel_output->dev_priv;
u32 temp;
if (mode != DRM_MODE_DPMS_ON) {
temp = I915_READ(hdmi_priv->sdvox_reg);
I915_WRITE(hdmi_priv->sdvox_reg, temp & ~SDVO_ENABLE);
} else {
temp = I915_READ(hdmi_priv->sdvox_reg);
I915_WRITE(hdmi_priv->sdvox_reg, temp | SDVO_ENABLE);
}
POSTING_READ(hdmi_priv->sdvox_reg);
}
static void intel_hdmi_save(struct drm_connector *connector)
{
struct drm_device *dev = connector->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_output *intel_output = to_intel_output(connector);
struct intel_hdmi_priv *hdmi_priv = intel_output->dev_priv;
hdmi_priv->save_SDVOX = I915_READ(hdmi_priv->sdvox_reg);
}
static void intel_hdmi_restore(struct drm_connector *connector)
{
struct drm_device *dev = connector->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_output *intel_output = to_intel_output(connector);
struct intel_hdmi_priv *hdmi_priv = intel_output->dev_priv;
I915_WRITE(hdmi_priv->sdvox_reg, hdmi_priv->save_SDVOX);
POSTING_READ(hdmi_priv->sdvox_reg);
}
static int intel_hdmi_mode_valid(struct drm_connector *connector,
struct drm_display_mode *mode)
{
if (mode->clock > 165000)
return MODE_CLOCK_HIGH;
if (mode->clock < 20000)
return MODE_CLOCK_HIGH;
if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
return MODE_NO_DBLESCAN;
return MODE_OK;
}
static bool intel_hdmi_mode_fixup(struct drm_encoder *encoder,
struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode)
{
return true;
}
static enum drm_connector_status
intel_hdmi_detect(struct drm_connector *connector)
{
struct drm_device *dev = connector->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_output *intel_output = to_intel_output(connector);
struct intel_hdmi_priv *hdmi_priv = intel_output->dev_priv;
u32 temp, bit;
temp = I915_READ(PORT_HOTPLUG_EN);
I915_WRITE(PORT_HOTPLUG_EN,
temp |
HDMIB_HOTPLUG_INT_EN |
HDMIC_HOTPLUG_INT_EN |
HDMID_HOTPLUG_INT_EN);
POSTING_READ(PORT_HOTPLUG_EN);
switch (hdmi_priv->sdvox_reg) {
case SDVOB:
bit = HDMIB_HOTPLUG_INT_STATUS;
break;
case SDVOC:
bit = HDMIC_HOTPLUG_INT_STATUS;
break;
default:
return connector_status_unknown;
}
if ((I915_READ(PORT_HOTPLUG_STAT) & bit) != 0)
return connector_status_connected;
else
return connector_status_disconnected;
}
static int intel_hdmi_get_modes(struct drm_connector *connector)
{
struct intel_output *intel_output = to_intel_output(connector);
/* We should parse the EDID data and find out if it's an HDMI sink so
* we can send audio to it.
*/
return intel_ddc_get_modes(intel_output);
}
static void intel_hdmi_destroy(struct drm_connector *connector)
{
struct intel_output *intel_output = to_intel_output(connector);
if (intel_output->i2c_bus)
intel_i2c_destroy(intel_output->i2c_bus);
drm_sysfs_connector_remove(connector);
drm_connector_cleanup(connector);
kfree(intel_output);
}
static const struct drm_encoder_helper_funcs intel_hdmi_helper_funcs = {
.dpms = intel_hdmi_dpms,
.mode_fixup = intel_hdmi_mode_fixup,
.prepare = intel_encoder_prepare,
.mode_set = intel_hdmi_mode_set,
.commit = intel_encoder_commit,
};
static const struct drm_connector_funcs intel_hdmi_connector_funcs = {
.save = intel_hdmi_save,
.restore = intel_hdmi_restore,
.detect = intel_hdmi_detect,
.fill_modes = drm_helper_probe_single_connector_modes,
.destroy = intel_hdmi_destroy,
};
static const struct drm_connector_helper_funcs intel_hdmi_connector_helper_funcs = {
.get_modes = intel_hdmi_get_modes,
.mode_valid = intel_hdmi_mode_valid,
.best_encoder = intel_best_encoder,
};
static void intel_hdmi_enc_destroy(struct drm_encoder *encoder)
{
drm_encoder_cleanup(encoder);
}
static const struct drm_encoder_funcs intel_hdmi_enc_funcs = {
.destroy = intel_hdmi_enc_destroy,
};
void intel_hdmi_init(struct drm_device *dev, int sdvox_reg)
{
struct drm_i915_private *dev_priv = dev->dev_private;
struct drm_connector *connector;
struct intel_output *intel_output;
struct intel_hdmi_priv *hdmi_priv;
intel_output = kcalloc(sizeof(struct intel_output) +
sizeof(struct intel_hdmi_priv), 1, GFP_KERNEL);
if (!intel_output)
return;
hdmi_priv = (struct intel_hdmi_priv *)(intel_output + 1);
connector = &intel_output->base;
drm_connector_init(dev, connector, &intel_hdmi_connector_funcs,
DRM_MODE_CONNECTOR_DVID);
drm_connector_helper_add(connector, &intel_hdmi_connector_helper_funcs);
intel_output->type = INTEL_OUTPUT_HDMI;
connector->interlace_allowed = 0;
connector->doublescan_allowed = 0;
/* Set up the DDC bus. */
if (sdvox_reg == SDVOB)
intel_output->ddc_bus = intel_i2c_create(dev, GPIOE, "HDMIB");
else
intel_output->ddc_bus = intel_i2c_create(dev, GPIOD, "HDMIC");
if (!intel_output->ddc_bus)
goto err_connector;
hdmi_priv->sdvox_reg = sdvox_reg;
intel_output->dev_priv = hdmi_priv;
drm_encoder_init(dev, &intel_output->enc, &intel_hdmi_enc_funcs,
DRM_MODE_ENCODER_TMDS);
drm_encoder_helper_add(&intel_output->enc, &intel_hdmi_helper_funcs);
drm_mode_connector_attach_encoder(&intel_output->base,
&intel_output->enc);
drm_sysfs_connector_add(connector);
/* For G4X desktop chip, PEG_BAND_GAP_DATA 3:0 must first be written
* 0xd. Failure to do so will result in spurious interrupts being
* generated on the port when a cable is not attached.
*/
if (IS_G4X(dev) && !IS_GM45(dev)) {
u32 temp = I915_READ(PEG_BAND_GAP_DATA);
I915_WRITE(PEG_BAND_GAP_DATA, (temp & ~0xf) | 0xd);
}
return;
err_connector:
drm_connector_cleanup(connector);
kfree(intel_output);
return;
}

8
drivers/gpu/drm/i915/intel_sdvo.c
View file

@ -978,7 +978,7 @@ static const struct drm_encoder_funcs intel_sdvo_enc_funcs = {
};
void intel_sdvo_init(struct drm_device *dev, int output_device)
bool intel_sdvo_init(struct drm_device *dev, int output_device)
{
struct drm_connector *connector;
struct intel_output *intel_output;
@ -991,7 +991,7 @@ void intel_sdvo_init(struct drm_device *dev, int output_device)
intel_output = kcalloc(sizeof(struct intel_output)+sizeof(struct intel_sdvo_priv), 1, GFP_KERNEL);
if (!intel_output) {
return;
return false;
}
connector = &intel_output->base;
@ -1116,7 +1116,7 @@ void intel_sdvo_init(struct drm_device *dev, int output_device)
intel_output->ddc_bus = i2cbus;
return;
return true;
err_i2c:
intel_i2c_destroy(intel_output->i2c_bus);
@ -1124,5 +1124,5 @@ err_connector:
drm_connector_cleanup(connector);
kfree(intel_output);
return;
return false;
}