diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_panel.c')
-rw-r--r-- | drivers/gpu/drm/i915/intel_panel.c | 168 |
1 files changed, 84 insertions, 84 deletions
diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c index cb8cfb7e0974..5e6c888b4928 100644 --- a/drivers/gpu/drm/i915/intel_panel.c +++ b/drivers/gpu/drm/i915/intel_panel.c @@ -42,6 +42,59 @@ intel_fixed_panel_mode(const struct drm_display_mode *fixed_mode, drm_mode_set_crtcinfo(adjusted_mode, 0); } +/** + * intel_find_panel_downclock - find the reduced downclock for LVDS in EDID + * @dev: drm device + * @fixed_mode : panel native mode + * @connector: LVDS/eDP connector + * + * Return downclock_avail + * Find the reduced downclock for LVDS/eDP in EDID. + */ +struct drm_display_mode * +intel_find_panel_downclock(struct drm_device *dev, + struct drm_display_mode *fixed_mode, + struct drm_connector *connector) +{ + struct drm_display_mode *scan, *tmp_mode; + int temp_downclock; + + temp_downclock = fixed_mode->clock; + tmp_mode = NULL; + + list_for_each_entry(scan, &connector->probed_modes, head) { + /* + * If one mode has the same resolution with the fixed_panel + * mode while they have the different refresh rate, it means + * that the reduced downclock is found. In such + * case we can set the different FPx0/1 to dynamically select + * between low and high frequency. + */ + 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 + * expect to find the lower downclock. + */ + temp_downclock = scan->clock; + tmp_mode = scan; + } + } + } + + if (temp_downclock < fixed_mode->clock) + return drm_mode_duplicate(dev, tmp_mode); + else + return NULL; +} + /* adjusted_mode has been preset to be the panel's fixed mode */ void intel_pch_panel_fitting(struct intel_crtc *intel_crtc, @@ -308,21 +361,43 @@ void intel_gmch_panel_fitting(struct intel_crtc *intel_crtc, pfit_control |= ((intel_crtc->pipe << PFIT_PIPE_SHIFT) | PFIT_FILTER_FUZZY); + /* Make sure pre-965 set dither correctly for 18bpp panels. */ + if (INTEL_INFO(dev)->gen < 4 && pipe_config->pipe_bpp == 18) + pfit_control |= PANEL_8TO6_DITHER_ENABLE; + out: if ((pfit_control & PFIT_ENABLE) == 0) { pfit_control = 0; pfit_pgm_ratios = 0; } - /* Make sure pre-965 set dither correctly for 18bpp panels. */ - if (INTEL_INFO(dev)->gen < 4 && pipe_config->pipe_bpp == 18) - pfit_control |= PANEL_8TO6_DITHER_ENABLE; - pipe_config->gmch_pfit.control = pfit_control; pipe_config->gmch_pfit.pgm_ratios = pfit_pgm_ratios; pipe_config->gmch_pfit.lvds_border_bits = border; } +enum drm_connector_status +intel_panel_detect(struct drm_device *dev) +{ + struct drm_i915_private *dev_priv = dev->dev_private; + + /* Assume that the BIOS does not lie through the OpRegion... */ + if (!i915.panel_ignore_lid && dev_priv->opregion.lid_state) { + return ioread32(dev_priv->opregion.lid_state) & 0x1 ? + connector_status_connected : + connector_status_disconnected; + } + + switch (i915.panel_ignore_lid) { + case -2: + return connector_status_connected; + case -1: + return connector_status_disconnected; + default: + return connector_status_unknown; + } +} + static u32 intel_panel_compute_brightness(struct intel_connector *connector, u32 val) { @@ -795,40 +870,18 @@ void intel_panel_enable_backlight(struct intel_connector *connector) spin_unlock_irqrestore(&dev_priv->backlight_lock, flags); } -enum drm_connector_status -intel_panel_detect(struct drm_device *dev) -{ - struct drm_i915_private *dev_priv = dev->dev_private; - - /* Assume that the BIOS does not lie through the OpRegion... */ - if (!i915.panel_ignore_lid && dev_priv->opregion.lid_state) { - return ioread32(dev_priv->opregion.lid_state) & 0x1 ? - connector_status_connected : - connector_status_disconnected; - } - - switch (i915.panel_ignore_lid) { - case -2: - return connector_status_connected; - case -1: - return connector_status_disconnected; - default: - return connector_status_unknown; - } -} - #if IS_ENABLED(CONFIG_BACKLIGHT_CLASS_DEVICE) static int intel_backlight_device_update_status(struct backlight_device *bd) { struct intel_connector *connector = bl_get_data(bd); struct drm_device *dev = connector->base.dev; - mutex_lock(&dev->mode_config.mutex); + drm_modeset_lock(&dev->mode_config.connection_mutex, NULL); DRM_DEBUG_KMS("updating intel_backlight, brightness=%d/%d\n", bd->props.brightness, bd->props.max_brightness); intel_panel_set_backlight(connector, bd->props.brightness, bd->props.max_brightness); - mutex_unlock(&dev->mode_config.mutex); + drm_modeset_unlock(&dev->mode_config.connection_mutex); return 0; } @@ -840,9 +893,9 @@ static int intel_backlight_device_get_brightness(struct backlight_device *bd) int ret; intel_runtime_pm_get(dev_priv); - mutex_lock(&dev->mode_config.mutex); + drm_modeset_lock(&dev->mode_config.connection_mutex, NULL); ret = intel_panel_get_backlight(connector); - mutex_unlock(&dev->mode_config.mutex); + drm_modeset_unlock(&dev->mode_config.connection_mutex); intel_runtime_pm_put(dev_priv); return ret; @@ -1077,7 +1130,7 @@ int intel_panel_setup_backlight(struct drm_connector *connector) if (ret) { DRM_DEBUG_KMS("failed to setup backlight for connector %s\n", - drm_get_connector_name(connector)); + connector->name); return ret; } @@ -1103,59 +1156,6 @@ void intel_panel_destroy_backlight(struct drm_connector *connector) intel_backlight_device_unregister(intel_connector); } -/** - * intel_find_panel_downclock - find the reduced downclock for LVDS in EDID - * @dev: drm device - * @fixed_mode : panel native mode - * @connector: LVDS/eDP connector - * - * Return downclock_avail - * Find the reduced downclock for LVDS/eDP in EDID. - */ -struct drm_display_mode * -intel_find_panel_downclock(struct drm_device *dev, - struct drm_display_mode *fixed_mode, - struct drm_connector *connector) -{ - struct drm_display_mode *scan, *tmp_mode; - int temp_downclock; - - temp_downclock = fixed_mode->clock; - tmp_mode = NULL; - - list_for_each_entry(scan, &connector->probed_modes, head) { - /* - * If one mode has the same resolution with the fixed_panel - * mode while they have the different refresh rate, it means - * that the reduced downclock is found. In such - * case we can set the different FPx0/1 to dynamically select - * between low and high frequency. - */ - 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 - * expect to find the lower downclock. - */ - temp_downclock = scan->clock; - tmp_mode = scan; - } - } - } - - if (temp_downclock < fixed_mode->clock) - return drm_mode_duplicate(dev, tmp_mode); - else - return NULL; -} - /* Set up chip specific backlight functions */ void intel_panel_init_backlight_funcs(struct drm_device *dev) { |