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yaml
---
r: 218011
b: refs/heads/master
c: 788319d
h: refs/heads/master
i:
  218009: bf77aa5
  218007: 27509dc
v: v3
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Chris Wilson committed Sep 13, 2010
1 parent 3ccb97c commit 2f49029
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Showing 3 changed files with 79 additions and 80 deletions.
2 changes: 1 addition & 1 deletion [refs]
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Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 8aadf70bd72c8f15994e68503af8f6722cd5c813
refs/heads/master: 788319d48dc2b61db732b19bb9598c062c75ec37
2 changes: 0 additions & 2 deletions trunk/drivers/gpu/drm/i915/i915_drv.h
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Original file line number Diff line number Diff line change
Expand Up @@ -634,8 +634,6 @@ typedef struct drm_i915_private {
/* Reclocking support */
bool render_reclock_avail;
bool lvds_downclock_avail;
/* indicate whether the LVDS EDID is OK */
bool lvds_edid_good;
/* indicates the reduced downclock for LVDS*/
int lvds_downclock;
struct work_struct idle_work;
Expand Down
155 changes: 78 additions & 77 deletions trunk/drivers/gpu/drm/i915/intel_lvds.c
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Original file line number Diff line number Diff line change
Expand Up @@ -43,17 +43,28 @@
/* Private structure for the integrated LVDS support */
struct intel_lvds {
struct intel_encoder base;

bool edid_good;

int fitting_mode;
u32 pfit_control;
u32 pfit_pgm_ratios;
bool pfit_dirty;

struct drm_display_mode *fixed_mode;
};

static struct intel_lvds *enc_to_intel_lvds(struct drm_encoder *encoder)
static struct intel_lvds *to_intel_lvds(struct drm_encoder *encoder)
{
return container_of(encoder, struct intel_lvds, base.base);
}

static struct intel_lvds *intel_attached_lvds(struct drm_connector *connector)
{
return container_of(intel_attached_encoder(connector),
struct intel_lvds, base);
}

/**
* Sets the power state for the panel.
*/
Expand Down Expand Up @@ -95,7 +106,7 @@ static void intel_lvds_set_power(struct intel_lvds *intel_lvds, bool on)

static void intel_lvds_dpms(struct drm_encoder *encoder, int mode)
{
struct intel_lvds *intel_lvds = enc_to_intel_lvds(encoder);
struct intel_lvds *intel_lvds = to_intel_lvds(encoder);

if (mode == DRM_MODE_DPMS_ON)
intel_lvds_set_power(intel_lvds, true);
Expand All @@ -108,16 +119,13 @@ static void intel_lvds_dpms(struct drm_encoder *encoder, int mode)
static int intel_lvds_mode_valid(struct drm_connector *connector,
struct drm_display_mode *mode)
{
struct drm_device *dev = connector->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct drm_display_mode *fixed_mode = dev_priv->panel_fixed_mode;
struct intel_lvds *intel_lvds = intel_attached_lvds(connector);
struct drm_display_mode *fixed_mode = intel_lvds->fixed_mode;

if (fixed_mode) {
if (mode->hdisplay > fixed_mode->hdisplay)
return MODE_PANEL;
if (mode->vdisplay > fixed_mode->vdisplay)
return MODE_PANEL;
}
if (mode->hdisplay > fixed_mode->hdisplay)
return MODE_PANEL;
if (mode->vdisplay > fixed_mode->vdisplay)
return MODE_PANEL;

return MODE_OK;
}
Expand Down Expand Up @@ -185,7 +193,7 @@ static bool intel_lvds_mode_fixup(struct drm_encoder *encoder,
struct drm_device *dev = encoder->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_crtc *intel_crtc = to_intel_crtc(encoder->crtc);
struct intel_lvds *intel_lvds = enc_to_intel_lvds(encoder);
struct intel_lvds *intel_lvds = to_intel_lvds(encoder);
struct drm_encoder *tmp_encoder;
u32 pfit_control = 0, pfit_pgm_ratios = 0, border = 0;

Expand All @@ -203,17 +211,14 @@ static bool intel_lvds_mode_fixup(struct drm_encoder *encoder,
return false;
}
}
/* If we don't have a panel mode, there is nothing we can do */
if (dev_priv->panel_fixed_mode == NULL)
return true;

/*
* We have timings from the BIOS for the panel, put them in
* to the adjusted mode. The CRTC will be set up for this mode,
* with the panel scaling set up to source from the H/VDisplay
* of the original mode.
*/
intel_fixed_panel_mode(dev_priv->panel_fixed_mode, adjusted_mode);
intel_fixed_panel_mode(intel_lvds->fixed_mode, adjusted_mode);

if (HAS_PCH_SPLIT(dev)) {
intel_pch_panel_fitting(dev, intel_lvds->fitting_mode,
Expand Down Expand Up @@ -352,7 +357,7 @@ static void intel_lvds_prepare(struct drm_encoder *encoder)
{
struct drm_device *dev = encoder->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_lvds *intel_lvds = enc_to_intel_lvds(encoder);
struct intel_lvds *intel_lvds = to_intel_lvds(encoder);

dev_priv->backlight_level = intel_panel_get_backlight(dev);

Expand Down Expand Up @@ -384,7 +389,7 @@ static void intel_lvds_commit(struct drm_encoder *encoder)
{
struct drm_device *dev = encoder->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_lvds *intel_lvds = enc_to_intel_lvds(encoder);
struct intel_lvds *intel_lvds = to_intel_lvds(encoder);

if (dev_priv->backlight_level == 0)
dev_priv->backlight_level = intel_panel_get_max_backlight(dev);
Expand Down Expand Up @@ -414,7 +419,7 @@ static void intel_lvds_mode_set(struct drm_encoder *encoder,
{
struct drm_device *dev = encoder->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_lvds *intel_lvds = enc_to_intel_lvds(encoder);
struct intel_lvds *intel_lvds = to_intel_lvds(encoder);

/*
* The LVDS pin pair will already have been turned on in the
Expand Down Expand Up @@ -467,35 +472,23 @@ static enum drm_connector_status intel_lvds_detect(struct drm_connector *connect
*/
static int intel_lvds_get_modes(struct drm_connector *connector)
{
struct intel_lvds *intel_lvds = intel_attached_lvds(connector);
struct drm_device *dev = connector->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct drm_display_mode *mode;

if (dev_priv->lvds_edid_good) {
struct intel_encoder *encoder = intel_attached_encoder(connector);
int ret = intel_ddc_get_modes(connector, encoder->ddc_bus);
if (intel_lvds->edid_good) {
int ret = intel_ddc_get_modes(connector,
intel_lvds->base.ddc_bus);
if (ret)
return ret;
}

/* Didn't get an EDID, so
* Set wide sync ranges so we get all modes
* handed to valid_mode for checking
*/
connector->display_info.min_vfreq = 0;
connector->display_info.max_vfreq = 200;
connector->display_info.min_hfreq = 0;
connector->display_info.max_hfreq = 200;

if (dev_priv->panel_fixed_mode != NULL) {
struct drm_display_mode *mode;
mode = drm_mode_duplicate(dev, intel_lvds->fixed_mode);
if (mode == 0)
return 0;

mode = drm_mode_duplicate(dev, dev_priv->panel_fixed_mode);
drm_mode_probed_add(connector, mode);

return 1;
}

return 0;
drm_mode_probed_add(connector, mode);
return 1;
}

static int intel_no_modeset_on_lid_dmi_callback(const struct dmi_system_id *id)
Expand Down Expand Up @@ -584,18 +577,17 @@ static int intel_lvds_set_property(struct drm_connector *connector,
struct drm_property *property,
uint64_t value)
{
struct intel_lvds *intel_lvds = intel_attached_lvds(connector);
struct drm_device *dev = connector->dev;

if (property == dev->mode_config.scaling_mode_property &&
connector->encoder) {
struct drm_crtc *crtc = connector->encoder->crtc;
struct drm_encoder *encoder = connector->encoder;
struct intel_lvds *intel_lvds = enc_to_intel_lvds(encoder);
if (property == dev->mode_config.scaling_mode_property) {
struct drm_crtc *crtc = intel_lvds->base.base.crtc;

if (value == DRM_MODE_SCALE_NONE) {
DRM_DEBUG_KMS("no scaling not supported\n");
return 0;
return -EINVAL;
}

if (intel_lvds->fitting_mode == value) {
/* the LVDS scaling property is not changed */
return 0;
Expand Down Expand Up @@ -723,15 +715,14 @@ static const struct dmi_system_id intel_no_lvds[] = {
* Find the reduced downclock for LVDS in EDID.
*/
static void intel_find_lvds_downclock(struct drm_device *dev,
struct drm_connector *connector)
struct drm_display_mode *fixed_mode,
struct drm_connector *connector)
{
struct drm_i915_private *dev_priv = dev->dev_private;
struct drm_display_mode *scan, *panel_fixed_mode;
struct drm_display_mode *scan;
int temp_downclock;

panel_fixed_mode = dev_priv->panel_fixed_mode;
temp_downclock = panel_fixed_mode->clock;

temp_downclock = fixed_mode->clock;
list_for_each_entry(scan, &connector->probed_modes, head) {
/*
* If one mode has the same resolution with the fixed_panel
Expand All @@ -740,14 +731,14 @@ static void intel_find_lvds_downclock(struct drm_device *dev,
* case we can set the different FPx0/1 to dynamically select
* between low and high frequency.
*/
if (scan->hdisplay == panel_fixed_mode->hdisplay &&
scan->hsync_start == panel_fixed_mode->hsync_start &&
scan->hsync_end == panel_fixed_mode->hsync_end &&
scan->htotal == panel_fixed_mode->htotal &&
scan->vdisplay == panel_fixed_mode->vdisplay &&
scan->vsync_start == panel_fixed_mode->vsync_start &&
scan->vsync_end == panel_fixed_mode->vsync_end &&
scan->vtotal == panel_fixed_mode->vtotal) {
if (scan->hdisplay == fixed_mode->hdisplay &&
scan->hsync_start == fixed_mode->hsync_start &&
scan->hsync_end == fixed_mode->hsync_end &&
scan->htotal == fixed_mode->htotal &&
scan->vdisplay == fixed_mode->vdisplay &&
scan->vsync_start == fixed_mode->vsync_start &&
scan->vsync_end == fixed_mode->vsync_end &&
scan->vtotal == fixed_mode->vtotal) {
if (scan->clock < temp_downclock) {
/*
* The downclock is already found. But we
Expand All @@ -757,16 +748,14 @@ static void intel_find_lvds_downclock(struct drm_device *dev,
}
}
}
if (temp_downclock < panel_fixed_mode->clock &&
i915_lvds_downclock) {
if (temp_downclock < fixed_mode->clock && i915_lvds_downclock) {
/* We found the downclock for LVDS. */
dev_priv->lvds_downclock_avail = 1;
dev_priv->lvds_downclock = temp_downclock;
DRM_DEBUG_KMS("LVDS downclock is found in EDID. "
"Normal clock %dKhz, downclock %dKhz\n",
panel_fixed_mode->clock, temp_downclock);
"Normal clock %dKhz, downclock %dKhz\n",
fixed_mode->clock, temp_downclock);
}
return;
}

/*
Expand Down Expand Up @@ -921,26 +910,38 @@ void intel_lvds_init(struct drm_device *dev)
* Attempt to get the fixed panel mode from DDC. Assume that the
* preferred mode is the right one.
*/
dev_priv->lvds_edid_good = true;

intel_lvds->edid_good = true;
if (!intel_ddc_get_modes(connector, intel_encoder->ddc_bus))
dev_priv->lvds_edid_good = false;
intel_lvds->edid_good = false;

if (!intel_lvds->edid_good) {
/* Didn't get an EDID, so
* Set wide sync ranges so we get all modes
* handed to valid_mode for checking
*/
connector->display_info.min_vfreq = 0;
connector->display_info.max_vfreq = 200;
connector->display_info.min_hfreq = 0;
connector->display_info.max_hfreq = 200;
}

list_for_each_entry(scan, &connector->probed_modes, head) {
if (scan->type & DRM_MODE_TYPE_PREFERRED) {
dev_priv->panel_fixed_mode =
intel_lvds->fixed_mode =
drm_mode_duplicate(dev, scan);
intel_find_lvds_downclock(dev, connector);
intel_find_lvds_downclock(dev,
intel_lvds->fixed_mode,
connector);
goto out;
}
}

/* Failed to get EDID, what about VBT? */
if (dev_priv->lfp_lvds_vbt_mode) {
dev_priv->panel_fixed_mode =
intel_lvds->fixed_mode =
drm_mode_duplicate(dev, dev_priv->lfp_lvds_vbt_mode);
if (dev_priv->panel_fixed_mode) {
dev_priv->panel_fixed_mode->type |=
if (intel_lvds->fixed_mode) {
intel_lvds->fixed_mode->type |=
DRM_MODE_TYPE_PREFERRED;
goto out;
}
Expand All @@ -961,16 +962,16 @@ void intel_lvds_init(struct drm_device *dev)
crtc = intel_get_crtc_for_pipe(dev, pipe);

if (crtc && (lvds & LVDS_PORT_EN)) {
dev_priv->panel_fixed_mode = intel_crtc_mode_get(dev, crtc);
if (dev_priv->panel_fixed_mode) {
dev_priv->panel_fixed_mode->type |=
intel_lvds->fixed_mode = intel_crtc_mode_get(dev, crtc);
if (intel_lvds->fixed_mode) {
intel_lvds->fixed_mode->type |=
DRM_MODE_TYPE_PREFERRED;
goto out;
}
}

/* If we still don't have a mode after all that, give up. */
if (!dev_priv->panel_fixed_mode)
if (!intel_lvds->fixed_mode)
goto failed;

out:
Expand Down

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