drm/i915/lvds: Move private data to the connector from the device.
Chris Wilson [Sun, 12 Sep 2010 16:34:41 +0000 (17:34 +0100)]
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

drivers/gpu/drm/i915/i915_drv.h
drivers/gpu/drm/i915/intel_lvds.c

index b3efb30..232555e 100644 (file)
@@ -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;
index a05ca32..b56b592 100644 (file)
 /* 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.
  */
@@ -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);
@@ -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;
 }
@@ -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;
 
@@ -203,9 +211,6 @@ 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
@@ -213,7 +218,7 @@ static bool intel_lvds_mode_fixup(struct drm_encoder *encoder,
         * 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,
@@ -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);
 
@@ -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);
@@ -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
@@ -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)
@@ -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;
@@ -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
@@ -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
@@ -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;
 }
 
 /*
@@ -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;
                }
@@ -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: