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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/anholt/drm-intel

Browse Source 
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/anholt/drm-intel:
  drm/i915: Add support for VGA load detection (pre-945).
  drm/i915: Use an I2C algo to do the flip to SDVO DDC bus.
  drm/i915: Determine type before initialising connector
  drm/i915: Return SDVO LVDS VBT mode if no EDID modes are detected.
  drm/i915: Fetch SDVO LVDS mode lines from VBT, then reserve them
  i915: support 8xx desktop cursors
  drm/i915: allocate large pointer arrays with vmalloc
This commit is contained in:
Linus Torvalds 2009-05-26 14:48:36 -07:00
commit ebd4c994d2
10 changed files with 433 additions and 90 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/gpu/drm/i915/i915_drv.h
View File

@ -180,7 +180,8 @@ typedef struct drm_i915_private {
int backlight_duty_cycle; /* restore backlight to this value */
bool panel_wants_dither;
struct drm_display_mode *panel_fixed_mode;
struct drm_display_mode *vbt_mode; /* if any */
struct drm_display_mode *lfp_lvds_vbt_mode; /* if any */
struct drm_display_mode *sdvo_lvds_vbt_mode; /* if any */
/* Feature bits from the VBIOS */
unsigned int int_tv_support:1;

42
drivers/gpu/drm/i915/i915_gem.c
View File

@ -349,7 +349,7 @@ i915_gem_shmem_pread_slow(struct drm_device *dev, struct drm_gem_object *obj,
last_data_page = (data_ptr + args->size - 1) / PAGE_SIZE;
num_pages = last_data_page - first_data_page + 1;
user_pages = kcalloc(num_pages, sizeof(struct page *), GFP_KERNEL);
user_pages = drm_calloc_large(num_pages, sizeof(struct page *));
if (user_pages == NULL)
return -ENOMEM;
@ -429,7 +429,7 @@ fail_put_user_pages:
SetPageDirty(user_pages[i]);
page_cache_release(user_pages[i]);
}
kfree(user_pages);
drm_free_large(user_pages);
return ret;
}
@ -649,7 +649,7 @@ i915_gem_gtt_pwrite_slow(struct drm_device *dev, struct drm_gem_object *obj,
last_data_page = (data_ptr + args->size - 1) / PAGE_SIZE;
num_pages = last_data_page - first_data_page + 1;
user_pages = kcalloc(num_pages, sizeof(struct page *), GFP_KERNEL);
user_pages = drm_calloc_large(num_pages, sizeof(struct page *));
if (user_pages == NULL)
return -ENOMEM;
@ -719,7 +719,7 @@ out_unlock:
out_unpin_pages:
for (i = 0; i < pinned_pages; i++)
page_cache_release(user_pages[i]);
kfree(user_pages);
drm_free_large(user_pages);
return ret;
}
@ -824,7 +824,7 @@ i915_gem_shmem_pwrite_slow(struct drm_device *dev, struct drm_gem_object *obj,
last_data_page = (data_ptr + args->size - 1) / PAGE_SIZE;
num_pages = last_data_page - first_data_page + 1;
user_pages = kcalloc(num_pages, sizeof(struct page *), GFP_KERNEL);
user_pages = drm_calloc_large(num_pages, sizeof(struct page *));
if (user_pages == NULL)
return -ENOMEM;
@ -902,7 +902,7 @@ fail_unlock:
fail_put_user_pages:
for (i = 0; i < pinned_pages; i++)
page_cache_release(user_pages[i]);
kfree(user_pages);
drm_free_large(user_pages);
return ret;
}
@ -1145,7 +1145,7 @@ int i915_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
mutex_unlock(&dev->struct_mutex);
return VM_FAULT_SIGBUS;
}
list_add(&obj_priv->list, &dev_priv->mm.inactive_list);
list_add_tail(&obj_priv->list, &dev_priv->mm.inactive_list);
}
/* Need a new fence register? */
@ -1375,7 +1375,7 @@ i915_gem_mmap_gtt_ioctl(struct drm_device *dev, void *data,
mutex_unlock(&dev->struct_mutex);
return ret;
}
list_add(&obj_priv->list, &dev_priv->mm.inactive_list);
list_add_tail(&obj_priv->list, &dev_priv->mm.inactive_list);
}
drm_gem_object_unreference(obj);
@ -1408,9 +1408,7 @@ i915_gem_object_put_pages(struct drm_gem_object *obj)
}
obj_priv->dirty = 0;
drm_free(obj_priv->pages,
page_count * sizeof(struct page *),
DRM_MEM_DRIVER);
drm_free_large(obj_priv->pages);
obj_priv->pages = NULL;
}
@ -2024,8 +2022,7 @@ i915_gem_object_get_pages(struct drm_gem_object *obj)
*/
page_count = obj->size / PAGE_SIZE;
BUG_ON(obj_priv->pages != NULL);
obj_priv->pages = drm_calloc(page_count, sizeof(struct page *),
DRM_MEM_DRIVER);
obj_priv->pages = drm_calloc_large(page_count, sizeof(struct page *));
if (obj_priv->pages == NULL) {
DRM_ERROR("Faled to allocate page list\n");
obj_priv->pages_refcount--;
@ -3111,7 +3108,7 @@ i915_gem_get_relocs_from_user(struct drm_i915_gem_exec_object *exec_list,
reloc_count += exec_list[i].relocation_count;
}
*relocs = drm_calloc(reloc_count, sizeof(**relocs), DRM_MEM_DRIVER);
*relocs = drm_calloc_large(reloc_count, sizeof(**relocs));
if (*relocs == NULL)
return -ENOMEM;
@ -3125,8 +3122,7 @@ i915_gem_get_relocs_from_user(struct drm_i915_gem_exec_object *exec_list,
exec_list[i].relocation_count *
sizeof(**relocs));
if (ret != 0) {
drm_free(*relocs, reloc_count * sizeof(**relocs),
DRM_MEM_DRIVER);
drm_free_large(*relocs);
*relocs = NULL;
return -EFAULT;
}
@ -3165,7 +3161,7 @@ i915_gem_put_relocs_to_user(struct drm_i915_gem_exec_object *exec_list,
}
err:
drm_free(relocs, reloc_count * sizeof(*relocs), DRM_MEM_DRIVER);
drm_free_large(relocs);
return ret;
}
@ -3198,10 +3194,8 @@ i915_gem_execbuffer(struct drm_device *dev, void *data,
return -EINVAL;
}
/* Copy in the exec list from userland */
exec_list = drm_calloc(sizeof(*exec_list), args->buffer_count,
DRM_MEM_DRIVER);
object_list = drm_calloc(sizeof(*object_list), args->buffer_count,
DRM_MEM_DRIVER);
exec_list = drm_calloc_large(sizeof(*exec_list), args->buffer_count);
object_list = drm_calloc_large(sizeof(*object_list), args->buffer_count);
if (exec_list == NULL || object_list == NULL) {
DRM_ERROR("Failed to allocate exec or object list "
"for %d buffers\n",
@ -3462,10 +3456,8 @@ err:
}
pre_mutex_err:
drm_free(object_list, sizeof(*object_list) * args->buffer_count,
DRM_MEM_DRIVER);
drm_free(exec_list, sizeof(*exec_list) * args->buffer_count,
DRM_MEM_DRIVER);
drm_free_large(object_list);
drm_free_large(exec_list);
drm_free(cliprects, sizeof(*cliprects) * args->num_cliprects,
DRM_MEM_DRIVER);

17
drivers/gpu/drm/i915/i915_reg.h
View File

@ -1410,9 +1410,25 @@
/* Cursor A & B regs */
#define CURACNTR 0x70080
/* Old style CUR*CNTR flags (desktop 8xx) */
#define CURSOR_ENABLE 0x80000000
#define CURSOR_GAMMA_ENABLE 0x40000000
#define CURSOR_STRIDE_MASK 0x30000000
#define CURSOR_FORMAT_SHIFT 24
#define CURSOR_FORMAT_MASK (0x07 << CURSOR_FORMAT_SHIFT)
#define CURSOR_FORMAT_2C (0x00 << CURSOR_FORMAT_SHIFT)
#define CURSOR_FORMAT_3C (0x01 << CURSOR_FORMAT_SHIFT)
#define CURSOR_FORMAT_4C (0x02 << CURSOR_FORMAT_SHIFT)
#define CURSOR_FORMAT_ARGB (0x04 << CURSOR_FORMAT_SHIFT)
#define CURSOR_FORMAT_XRGB (0x05 << CURSOR_FORMAT_SHIFT)
/* New style CUR*CNTR flags */
#define CURSOR_MODE 0x27
#define CURSOR_MODE_DISABLE 0x00
#define CURSOR_MODE_64_32B_AX 0x07
#define CURSOR_MODE_64_ARGB_AX ((1 << 5) | CURSOR_MODE_64_32B_AX)
#define MCURSOR_PIPE_SELECT (1 << 28)
#define MCURSOR_PIPE_A 0x00
#define MCURSOR_PIPE_B (1 << 28)
#define MCURSOR_GAMMA_ENABLE (1 << 26)
#define CURABASE 0x70084
#define CURAPOS 0x70088
@ -1420,6 +1436,7 @@
#define CURSOR_POS_SIGN 0x8000
#define CURSOR_X_SHIFT 0
#define CURSOR_Y_SHIFT 16
#define CURSIZE 0x700a0
#define CURBCNTR 0x700c0
#define CURBBASE 0x700c4
#define CURBPOS 0x700c8

104
drivers/gpu/drm/i915/intel_bios.c
View File

@ -57,9 +57,43 @@ find_section(struct bdb_header *bdb, int section_id)
return NULL;
}
/* Try to find panel data */
static void
parse_panel_data(struct drm_i915_private *dev_priv, struct bdb_header *bdb)
fill_detail_timing_data(struct drm_display_mode *panel_fixed_mode,
struct lvds_dvo_timing *dvo_timing)
{
panel_fixed_mode->hdisplay = (dvo_timing->hactive_hi << 8) |
dvo_timing->hactive_lo;
panel_fixed_mode->hsync_start = panel_fixed_mode->hdisplay +
((dvo_timing->hsync_off_hi << 8) | dvo_timing->hsync_off_lo);
panel_fixed_mode->hsync_end = panel_fixed_mode->hsync_start +
dvo_timing->hsync_pulse_width;
panel_fixed_mode->htotal = panel_fixed_mode->hdisplay +
((dvo_timing->hblank_hi << 8) | dvo_timing->hblank_lo);
panel_fixed_mode->vdisplay = (dvo_timing->vactive_hi << 8) |
dvo_timing->vactive_lo;
panel_fixed_mode->vsync_start = panel_fixed_mode->vdisplay +
dvo_timing->vsync_off;
panel_fixed_mode->vsync_end = panel_fixed_mode->vsync_start +
dvo_timing->vsync_pulse_width;
panel_fixed_mode->vtotal = panel_fixed_mode->vdisplay +
((dvo_timing->vblank_hi << 8) | dvo_timing->vblank_lo);
panel_fixed_mode->clock = dvo_timing->clock * 10;
panel_fixed_mode->type = DRM_MODE_TYPE_PREFERRED;
/* Some VBTs have bogus h/vtotal values */
if (panel_fixed_mode->hsync_end > panel_fixed_mode->htotal)
panel_fixed_mode->htotal = panel_fixed_mode->hsync_end + 1;
if (panel_fixed_mode->vsync_end > panel_fixed_mode->vtotal)
panel_fixed_mode->vtotal = panel_fixed_mode->vsync_end + 1;
drm_mode_set_name(panel_fixed_mode);
}
/* Try to find integrated panel data */
static void
parse_lfp_panel_data(struct drm_i915_private *dev_priv,
struct bdb_header *bdb)
{
struct bdb_lvds_options *lvds_options;
struct bdb_lvds_lfp_data *lvds_lfp_data;
@ -91,35 +125,9 @@ parse_panel_data(struct drm_i915_private *dev_priv, struct bdb_header *bdb)
panel_fixed_mode = drm_calloc(1, sizeof(*panel_fixed_mode),
DRM_MEM_DRIVER);
panel_fixed_mode->hdisplay = (dvo_timing->hactive_hi << 8) |
dvo_timing->hactive_lo;
panel_fixed_mode->hsync_start = panel_fixed_mode->hdisplay +
((dvo_timing->hsync_off_hi << 8) | dvo_timing->hsync_off_lo);
panel_fixed_mode->hsync_end = panel_fixed_mode->hsync_start +
dvo_timing->hsync_pulse_width;
panel_fixed_mode->htotal = panel_fixed_mode->hdisplay +
((dvo_timing->hblank_hi << 8) | dvo_timing->hblank_lo);
fill_detail_timing_data(panel_fixed_mode, dvo_timing);
panel_fixed_mode->vdisplay = (dvo_timing->vactive_hi << 8) |
dvo_timing->vactive_lo;
panel_fixed_mode->vsync_start = panel_fixed_mode->vdisplay +
dvo_timing->vsync_off;
panel_fixed_mode->vsync_end = panel_fixed_mode->vsync_start +
dvo_timing->vsync_pulse_width;
panel_fixed_mode->vtotal = panel_fixed_mode->vdisplay +
((dvo_timing->vblank_hi << 8) | dvo_timing->vblank_lo);
panel_fixed_mode->clock = dvo_timing->clock * 10;
panel_fixed_mode->type = DRM_MODE_TYPE_PREFERRED;
/* Some VBTs have bogus h/vtotal values */
if (panel_fixed_mode->hsync_end > panel_fixed_mode->htotal)
panel_fixed_mode->htotal = panel_fixed_mode->hsync_end + 1;
if (panel_fixed_mode->vsync_end > panel_fixed_mode->vtotal)
panel_fixed_mode->vtotal = panel_fixed_mode->vsync_end + 1;
drm_mode_set_name(panel_fixed_mode);
dev_priv->vbt_mode = panel_fixed_mode;
dev_priv->lfp_lvds_vbt_mode = panel_fixed_mode;
DRM_DEBUG("Found panel mode in BIOS VBT tables:\n");
drm_mode_debug_printmodeline(panel_fixed_mode);
@ -127,6 +135,39 @@ parse_panel_data(struct drm_i915_private *dev_priv, struct bdb_header *bdb)
return;
}
/* Try to find sdvo panel data */
static void
parse_sdvo_panel_data(struct drm_i915_private *dev_priv,
struct bdb_header *bdb)
{
struct bdb_sdvo_lvds_options *sdvo_lvds_options;
struct lvds_dvo_timing *dvo_timing;
struct drm_display_mode *panel_fixed_mode;
dev_priv->sdvo_lvds_vbt_mode = NULL;
sdvo_lvds_options = find_section(bdb, BDB_SDVO_LVDS_OPTIONS);
if (!sdvo_lvds_options)
return;
dvo_timing = find_section(bdb, BDB_SDVO_PANEL_DTDS);
if (!dvo_timing)
return;
panel_fixed_mode = drm_calloc(1, sizeof(*panel_fixed_mode),
DRM_MEM_DRIVER);
if (!panel_fixed_mode)
return;
fill_detail_timing_data(panel_fixed_mode,
dvo_timing + sdvo_lvds_options->panel_type);
dev_priv->sdvo_lvds_vbt_mode = panel_fixed_mode;
return;
}
static void
parse_general_features(struct drm_i915_private *dev_priv,
struct bdb_header *bdb)
@ -199,7 +240,8 @@ intel_init_bios(struct drm_device *dev)
/* Grab useful general definitions */
parse_general_features(dev_priv, bdb);
parse_panel_data(dev_priv, bdb);
parse_lfp_panel_data(dev_priv, bdb);
parse_sdvo_panel_data(dev_priv, bdb);
pci_unmap_rom(pdev, bios);

17
drivers/gpu/drm/i915/intel_bios.h
View File

@ -279,6 +279,23 @@ struct vch_bdb_22 {
struct vch_panel_data panels[16];
} __attribute__((packed));
struct bdb_sdvo_lvds_options {
u8 panel_backlight;
u8 h40_set_panel_type;
u8 panel_type;
u8 ssc_clk_freq;
u16 als_low_trip;
u16 als_high_trip;
u8 sclalarcoeff_tab_row_num;
u8 sclalarcoeff_tab_row_size;
u8 coefficient[8];
u8 panel_misc_bits_1;
u8 panel_misc_bits_2;
u8 panel_misc_bits_3;
u8 panel_misc_bits_4;
} __attribute__((packed));
bool intel_init_bios(struct drm_device *dev);
/*

149
drivers/gpu/drm/i915/intel_crt.c
View File

@ -198,9 +198,142 @@ static bool intel_crt_detect_ddc(struct drm_connector *connector)
return intel_ddc_probe(intel_output);
}
static enum drm_connector_status
intel_crt_load_detect(struct drm_crtc *crtc, struct intel_output *intel_output)
{
struct drm_encoder *encoder = &intel_output->enc;
struct drm_device *dev = encoder->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
uint32_t pipe = intel_crtc->pipe;
uint32_t save_bclrpat;
uint32_t save_vtotal;
uint32_t vtotal, vactive;
uint32_t vsample;
uint32_t vblank, vblank_start, vblank_end;
uint32_t dsl;
uint32_t bclrpat_reg;
uint32_t vtotal_reg;
uint32_t vblank_reg;
uint32_t vsync_reg;
uint32_t pipeconf_reg;
uint32_t pipe_dsl_reg;
uint8_t st00;
enum drm_connector_status status;
if (pipe == 0) {
bclrpat_reg = BCLRPAT_A;
vtotal_reg = VTOTAL_A;
vblank_reg = VBLANK_A;
vsync_reg = VSYNC_A;
pipeconf_reg = PIPEACONF;
pipe_dsl_reg = PIPEADSL;
} else {
bclrpat_reg = BCLRPAT_B;
vtotal_reg = VTOTAL_B;
vblank_reg = VBLANK_B;
vsync_reg = VSYNC_B;
pipeconf_reg = PIPEBCONF;
pipe_dsl_reg = PIPEBDSL;
}
save_bclrpat = I915_READ(bclrpat_reg);
save_vtotal = I915_READ(vtotal_reg);
vblank = I915_READ(vblank_reg);
vtotal = ((save_vtotal >> 16) & 0xfff) + 1;
vactive = (save_vtotal & 0x7ff) + 1;
vblank_start = (vblank & 0xfff) + 1;
vblank_end = ((vblank >> 16) & 0xfff) + 1;
/* Set the border color to purple. */
I915_WRITE(bclrpat_reg, 0x500050);
if (IS_I9XX(dev)) {
uint32_t pipeconf = I915_READ(pipeconf_reg);
I915_WRITE(pipeconf_reg, pipeconf | PIPECONF_FORCE_BORDER);
/* Wait for next Vblank to substitue
* border color for Color info */
intel_wait_for_vblank(dev);
st00 = I915_READ8(VGA_MSR_WRITE);
status = ((st00 & (1 << 4)) != 0) ?
connector_status_connected :
connector_status_disconnected;
I915_WRITE(pipeconf_reg, pipeconf);
} else {
bool restore_vblank = false;
int count, detect;
/*
* If there isn't any border, add some.
* Yes, this will flicker
*/
if (vblank_start <= vactive && vblank_end >= vtotal) {
uint32_t vsync = I915_READ(vsync_reg);
uint32_t vsync_start = (vsync & 0xffff) + 1;
vblank_start = vsync_start;
I915_WRITE(vblank_reg,
(vblank_start - 1) |
((vblank_end - 1) << 16));
restore_vblank = true;
}
/* sample in the vertical border, selecting the larger one */
if (vblank_start - vactive >= vtotal - vblank_end)
vsample = (vblank_start + vactive) >> 1;
else
vsample = (vtotal + vblank_end) >> 1;
/*
* Wait for the border to be displayed
*/
while (I915_READ(pipe_dsl_reg) >= vactive)
;
while ((dsl = I915_READ(pipe_dsl_reg)) <= vsample)
;
/*
* Watch ST00 for an entire scanline
*/
detect = 0;
count = 0;
do {
count++;
/* Read the ST00 VGA status register */
st00 = I915_READ8(VGA_MSR_WRITE);
if (st00 & (1 << 4))
detect++;
} while ((I915_READ(pipe_dsl_reg) == dsl));
/* restore vblank if necessary */
if (restore_vblank)
I915_WRITE(vblank_reg, vblank);
/*
* If more than 3/4 of the scanline detected a monitor,
* then it is assumed to be present. This works even on i830,
* where there isn't any way to force the border color across
* the screen
*/
status = detect * 4 > count * 3 ?
connector_status_connected :
connector_status_disconnected;
}
/* Restore previous settings */
I915_WRITE(bclrpat_reg, save_bclrpat);
return status;
}
static enum drm_connector_status intel_crt_detect(struct drm_connector *connector)
{
struct drm_device *dev = connector->dev;
struct intel_output *intel_output = to_intel_output(connector);
struct drm_encoder *encoder = &intel_output->enc;
struct drm_crtc *crtc;
int dpms_mode;
enum drm_connector_status status;
if (IS_I9XX(dev) && !IS_I915G(dev) && !IS_I915GM(dev)) {
if (intel_crt_detect_hotplug(connector))
@ -212,8 +345,20 @@ static enum drm_connector_status intel_crt_detect(struct drm_connector *connecto
if (intel_crt_detect_ddc(connector))
return connector_status_connected;
/* TODO use load detect */
return connector_status_unknown;
/* for pre-945g platforms use load detect */
if (encoder->crtc && encoder->crtc->enabled) {
status = intel_crt_load_detect(encoder->crtc, intel_output);
} else {
crtc = intel_get_load_detect_pipe(intel_output,
NULL, &dpms_mode);
if (crtc) {
status = intel_crt_load_detect(crtc, intel_output);
intel_release_load_detect_pipe(intel_output, dpms_mode);
} else
status = connector_status_unknown;
}
return status;
}
static void intel_crt_destroy(struct drm_connector *connector)

26
drivers/gpu/drm/i915/intel_display.c
View File

@ -1357,7 +1357,7 @@ static int intel_crtc_cursor_set(struct drm_crtc *crtc,
int pipe = intel_crtc->pipe;
uint32_t control = (pipe == 0) ? CURACNTR : CURBCNTR;
uint32_t base = (pipe == 0) ? CURABASE : CURBBASE;
uint32_t temp;
uint32_t temp = I915_READ(control);
size_t addr;
int ret;
@ -1366,7 +1366,12 @@ static int intel_crtc_cursor_set(struct drm_crtc *crtc,
/* if we want to turn off the cursor ignore width and height */
if (!handle) {
DRM_DEBUG("cursor off\n");
temp = CURSOR_MODE_DISABLE;
if (IS_MOBILE(dev) || IS_I9XX(dev)) {
temp &= ~(CURSOR_MODE | MCURSOR_GAMMA_ENABLE);
temp |= CURSOR_MODE_DISABLE;
} else {
temp &= ~(CURSOR_ENABLE | CURSOR_GAMMA_ENABLE);
}
addr = 0;
bo = NULL;
mutex_lock(&dev->struct_mutex);
@ -1409,10 +1414,19 @@ static int intel_crtc_cursor_set(struct drm_crtc *crtc,
addr = obj_priv->phys_obj->handle->busaddr;
}
temp = 0;
/* set the pipe for the cursor */
temp |= (pipe << 28);
temp |= CURSOR_MODE_64_ARGB_AX | MCURSOR_GAMMA_ENABLE;
if (!IS_I9XX(dev))
I915_WRITE(CURSIZE, (height << 12) | width);
/* Hooray for CUR*CNTR differences */
if (IS_MOBILE(dev) || IS_I9XX(dev)) {
temp &= ~(CURSOR_MODE | MCURSOR_PIPE_SELECT);
temp |= CURSOR_MODE_64_ARGB_AX | MCURSOR_GAMMA_ENABLE;
temp |= (pipe << 28); /* Connect to correct pipe */
} else {
temp &= ~(CURSOR_FORMAT_MASK);
temp |= CURSOR_ENABLE;
temp |= CURSOR_FORMAT_ARGB | CURSOR_GAMMA_ENABLE;
}
finish:
I915_WRITE(control, temp);

4
drivers/gpu/drm/i915/intel_lvds.c
View File

@ -511,10 +511,10 @@ void intel_lvds_init(struct drm_device *dev)
}
/* Failed to get EDID, what about VBT? */
if (dev_priv->vbt_mode) {
if (dev_priv->lfp_lvds_vbt_mode) {
mutex_lock(&dev->mode_config.mutex);
dev_priv->panel_fixed_mode =
drm_mode_duplicate(dev, dev_priv->vbt_mode);
drm_mode_duplicate(dev, dev_priv->lfp_lvds_vbt_mode);
mutex_unlock(&dev->mode_config.mutex);
if (dev_priv->panel_fixed_mode) {
dev_priv->panel_fixed_mode->type |=

137
drivers/gpu/drm/i915/intel_sdvo.c
View File

@ -69,6 +69,10 @@ struct intel_sdvo_priv {
* This is set if we treat the device as HDMI, instead of DVI.
*/
bool is_hdmi;
/**
* This is set if we detect output of sdvo device as LVDS.
*/
bool is_lvds;
/**
* Returned SDTV resolutions allowed for the current format, if the
@ -1398,10 +1402,8 @@ static enum drm_connector_status intel_sdvo_detect(struct drm_connector *connect
static void intel_sdvo_get_ddc_modes(struct drm_connector *connector)
{
struct intel_output *intel_output = to_intel_output(connector);
struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
/* set the bus switch and get the modes */
intel_sdvo_set_control_bus_switch(intel_output, sdvo_priv->ddc_bus);
intel_ddc_get_modes(intel_output);
#if 0
@ -1543,6 +1545,37 @@ static void intel_sdvo_get_tv_modes(struct drm_connector *connector)
}
}
static void intel_sdvo_get_lvds_modes(struct drm_connector *connector)
{
struct intel_output *intel_output = to_intel_output(connector);
struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
struct drm_i915_private *dev_priv = connector->dev->dev_private;
/*
* Attempt to get the mode list from DDC.
* Assume that the preferred modes are
* arranged in priority order.
*/
/* set the bus switch and get the modes */
intel_sdvo_set_control_bus_switch(intel_output, sdvo_priv->ddc_bus);
intel_ddc_get_modes(intel_output);
if (list_empty(&connector->probed_modes) == false)
return;
/* Fetch modes from VBT */
if (dev_priv->sdvo_lvds_vbt_mode != NULL) {
struct drm_display_mode *newmode;
newmode = drm_mode_duplicate(connector->dev,
dev_priv->sdvo_lvds_vbt_mode);
if (newmode != NULL) {
/* Guarantee the mode is preferred */
newmode->type = (DRM_MODE_TYPE_PREFERRED |
DRM_MODE_TYPE_DRIVER);
drm_mode_probed_add(connector, newmode);
}
}
}
static int intel_sdvo_get_modes(struct drm_connector *connector)
{
struct intel_output *output = to_intel_output(connector);
@ -1550,6 +1583,8 @@ static int intel_sdvo_get_modes(struct drm_connector *connector)
if (sdvo_priv->is_tv)
intel_sdvo_get_tv_modes(connector);
else if (sdvo_priv->is_lvds == true)
intel_sdvo_get_lvds_modes(connector);
else
intel_sdvo_get_ddc_modes(connector);
@ -1564,6 +1599,9 @@ static void intel_sdvo_destroy(struct drm_connector *connector)
if (intel_output->i2c_bus)
intel_i2c_destroy(intel_output->i2c_bus);
if (intel_output->ddc_bus)
intel_i2c_destroy(intel_output->ddc_bus);
drm_sysfs_connector_remove(connector);
drm_connector_cleanup(connector);
kfree(intel_output);
@ -1660,12 +1698,56 @@ intel_sdvo_get_digital_encoding_mode(struct intel_output *output)
return true;
}
static struct intel_output *
intel_sdvo_chan_to_intel_output(struct intel_i2c_chan *chan)
{
struct drm_device *dev = chan->drm_dev;
struct drm_connector *connector;
struct intel_output *intel_output = NULL;
list_for_each_entry(connector,
&dev->mode_config.connector_list, head) {
if (to_intel_output(connector)->ddc_bus == chan) {
intel_output = to_intel_output(connector);
break;
}
}
return intel_output;
}
static int intel_sdvo_master_xfer(struct i2c_adapter *i2c_adap,
struct i2c_msg msgs[], int num)
{
struct intel_output *intel_output;
struct intel_sdvo_priv *sdvo_priv;
struct i2c_algo_bit_data *algo_data;
struct i2c_algorithm *algo;
algo_data = (struct i2c_algo_bit_data *)i2c_adap->algo_data;
intel_output =
intel_sdvo_chan_to_intel_output(
(struct intel_i2c_chan *)(algo_data->data));
if (intel_output == NULL)
return -EINVAL;
sdvo_priv = intel_output->dev_priv;
algo = (struct i2c_algorithm *)intel_output->i2c_bus->adapter.algo;
intel_sdvo_set_control_bus_switch(intel_output, sdvo_priv->ddc_bus);
return algo->master_xfer(i2c_adap, msgs, num);
}
static struct i2c_algorithm intel_sdvo_i2c_bit_algo = {
.master_xfer = intel_sdvo_master_xfer,
};
bool intel_sdvo_init(struct drm_device *dev, int output_device)
{
struct drm_connector *connector;
struct intel_output *intel_output;
struct intel_sdvo_priv *sdvo_priv;
struct intel_i2c_chan *i2cbus = NULL;
struct intel_i2c_chan *ddcbus = NULL;
int connector_type;
u8 ch[0x40];
int i;
@ -1676,17 +1758,9 @@ bool intel_sdvo_init(struct drm_device *dev, int output_device)
return false;
}
connector = &intel_output->base;
drm_connector_init(dev, connector, &intel_sdvo_connector_funcs,
DRM_MODE_CONNECTOR_Unknown);
drm_connector_helper_add(connector, &intel_sdvo_connector_helper_funcs);
sdvo_priv = (struct intel_sdvo_priv *)(intel_output + 1);
intel_output->type = INTEL_OUTPUT_SDVO;
connector->interlace_allowed = 0;
connector->doublescan_allowed = 0;
/* setup the DDC bus. */
if (output_device == SDVOB)
i2cbus = intel_i2c_create(dev, GPIOE, "SDVOCTRL_E for SDVOB");
@ -1694,7 +1768,7 @@ bool intel_sdvo_init(struct drm_device *dev, int output_device)
i2cbus = intel_i2c_create(dev, GPIOE, "SDVOCTRL_E for SDVOC");
if (!i2cbus)
goto err_connector;
goto err_inteloutput;
sdvo_priv->i2c_bus = i2cbus;
@ -1710,7 +1784,6 @@ bool intel_sdvo_init(struct drm_device *dev, int output_device)
intel_output->i2c_bus = i2cbus;
intel_output->dev_priv = sdvo_priv;
/* Read the regs to test if we can talk to the device */
for (i = 0; i < 0x40; i++) {
if (!intel_sdvo_read_byte(intel_output, i, &ch[i])) {
@ -1720,6 +1793,22 @@ bool intel_sdvo_init(struct drm_device *dev, int output_device)
}
}
/* setup the DDC bus. */
if (output_device == SDVOB)
ddcbus = intel_i2c_create(dev, GPIOE, "SDVOB DDC BUS");
else
ddcbus = intel_i2c_create(dev, GPIOE, "SDVOC DDC BUS");
if (ddcbus == NULL)
goto err_i2c;
intel_sdvo_i2c_bit_algo.functionality =
intel_output->i2c_bus->adapter.algo->functionality;
ddcbus->adapter.algo = &intel_sdvo_i2c_bit_algo;
intel_output->ddc_bus = ddcbus;
/* In defaut case sdvo lvds is false */
sdvo_priv->is_lvds = false;
intel_sdvo_get_capabilities(intel_output, &sdvo_priv->caps);
if (sdvo_priv->caps.output_flags &
@ -1729,7 +1818,6 @@ bool intel_sdvo_init(struct drm_device *dev, int output_device)
else
sdvo_priv->controlled_output = SDVO_OUTPUT_TMDS1;
connector->display_info.subpixel_order = SubPixelHorizontalRGB;
encoder_type = DRM_MODE_ENCODER_TMDS;
connector_type = DRM_MODE_CONNECTOR_DVID;
@ -1747,7 +1835,6 @@ bool intel_sdvo_init(struct drm_device *dev, int output_device)
else if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_SVID0)
{
sdvo_priv->controlled_output = SDVO_OUTPUT_SVID0;
connector->display_info.subpixel_order = SubPixelHorizontalRGB;
encoder_type = DRM_MODE_ENCODER_TVDAC;
connector_type = DRM_MODE_CONNECTOR_SVIDEO;
sdvo_priv->is_tv = true;
@ -1756,30 +1843,28 @@ bool intel_sdvo_init(struct drm_device *dev, int output_device)
else if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_RGB0)
{
sdvo_priv->controlled_output = SDVO_OUTPUT_RGB0;
connector->display_info.subpixel_order = SubPixelHorizontalRGB;
encoder_type = DRM_MODE_ENCODER_DAC;
connector_type = DRM_MODE_CONNECTOR_VGA;
}
else if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_RGB1)
{
sdvo_priv->controlled_output = SDVO_OUTPUT_RGB1;
connector->display_info.subpixel_order = SubPixelHorizontalRGB;
encoder_type = DRM_MODE_ENCODER_DAC;
connector_type = DRM_MODE_CONNECTOR_VGA;
}
else if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_LVDS0)
{
sdvo_priv->controlled_output = SDVO_OUTPUT_LVDS0;
connector->display_info.subpixel_order = SubPixelHorizontalRGB;
encoder_type = DRM_MODE_ENCODER_LVDS;
connector_type = DRM_MODE_CONNECTOR_LVDS;
sdvo_priv->is_lvds = true;
}
else if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_LVDS1)
{
sdvo_priv->controlled_output = SDVO_OUTPUT_LVDS1;
connector->display_info.subpixel_order = SubPixelHorizontalRGB;
encoder_type = DRM_MODE_ENCODER_LVDS;
connector_type = DRM_MODE_CONNECTOR_LVDS;
sdvo_priv->is_lvds = true;
}
else
{
@ -1795,9 +1880,16 @@ bool intel_sdvo_init(struct drm_device *dev, int output_device)
goto err_i2c;
}
connector = &intel_output->base;
drm_connector_init(dev, connector, &intel_sdvo_connector_funcs,
connector_type);
drm_connector_helper_add(connector, &intel_sdvo_connector_helper_funcs);
connector->interlace_allowed = 0;
connector->doublescan_allowed = 0;
connector->display_info.subpixel_order = SubPixelHorizontalRGB;
drm_encoder_init(dev, &intel_output->enc, &intel_sdvo_enc_funcs, encoder_type);
drm_encoder_helper_add(&intel_output->enc, &intel_sdvo_helper_funcs);
connector->connector_type = connector_type;
drm_mode_connector_attach_encoder(&intel_output->base, &intel_output->enc);
drm_sysfs_connector_add(connector);
@ -1829,14 +1921,13 @@ bool intel_sdvo_init(struct drm_device *dev, int output_device)
sdvo_priv->caps.output_flags &
(SDVO_OUTPUT_TMDS1 | SDVO_OUTPUT_RGB1) ? 'Y' : 'N');
intel_output->ddc_bus = i2cbus;
return true;
err_i2c:
if (ddcbus != NULL)
intel_i2c_destroy(intel_output->ddc_bus);
intel_i2c_destroy(intel_output->i2c_bus);
err_connector:
drm_connector_cleanup(connector);
err_inteloutput:
kfree(intel_output);
return false;

24
include/drm/drmP.h
View File

@ -1519,6 +1519,30 @@ static __inline__ void *drm_calloc(size_t nmemb, size_t size, int area)
{
return kcalloc(nmemb, size, GFP_KERNEL);
}
static __inline__ void *drm_calloc_large(size_t nmemb, size_t size)
{
u8 *addr;
if (size <= PAGE_SIZE)
return kcalloc(nmemb, size, GFP_KERNEL);
addr = vmalloc(nmemb * size);
if (!addr)
return NULL;
memset(addr, 0, nmemb * size);
return addr;
}
static __inline void drm_free_large(void *ptr)
{
if (!is_vmalloc_addr(ptr))
return kfree(ptr);
vfree(ptr);
}
#else
extern void *drm_alloc(size_t size, int area);
extern void drm_free(void *pt, size_t size, int area);