return 0;
}
-void intel_display_handle_reset(struct drm_device *dev)
+static void intel_complete_page_flips(struct drm_device *dev)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
struct drm_crtc *crtc;
- /*
- * Flips in the rings have been nuked by the reset,
- * so complete all pending flips so that user space
- * will get its events and not get stuck.
- *
- * Also update the base address of all primary
- * planes to the the last fb to make sure we're
- * showing the correct fb after a reset.
- *
- * Need to make two loops over the crtcs so that we
- * don't try to grab a crtc mutex before the
- * pending_flip_queue really got woken up.
- */
-
for_each_crtc(dev, crtc) {
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
enum plane plane = intel_crtc->plane;
intel_prepare_page_flip(dev, plane);
intel_finish_page_flip_plane(dev, plane);
}
+}
+
+static void intel_update_primary_planes(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_crtc *crtc;
for_each_crtc(dev, crtc) {
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
}
}
+void intel_prepare_reset(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = to_i915(dev);
+ struct intel_crtc *crtc;
+
+ /* no reset support for gen2 */
+ if (IS_GEN2(dev))
+ return;
+
+ /* reset doesn't touch the display */
+ if (INTEL_INFO(dev)->gen >= 5 || IS_G4X(dev))
+ return;
+
+ drm_modeset_lock_all(dev);
+
+ /*
+ * Disabling the crtcs gracefully seems nicer. Also the
+ * g33 docs say we should at least disable all the planes.
+ */
+ for_each_intel_crtc(dev, crtc) {
+ if (crtc->active)
+ dev_priv->display.crtc_disable(&crtc->base);
+ }
+}
+
+void intel_finish_reset(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = to_i915(dev);
+
+ /*
+ * Flips in the rings will be nuked by the reset,
+ * so complete all pending flips so that user space
+ * will get its events and not get stuck.
+ */
+ intel_complete_page_flips(dev);
+
+ /* no reset support for gen2 */
+ if (IS_GEN2(dev))
+ return;
+
+ /* reset doesn't touch the display */
+ if (INTEL_INFO(dev)->gen >= 5 || IS_G4X(dev)) {
+ /*
+ * Flips in the rings have been nuked by the reset,
+ * so update the base address of all primary
+ * planes to the the last fb to make sure we're
+ * showing the correct fb after a reset.
+ */
+ intel_update_primary_planes(dev);
+ return;
+ }
+
+ /*
+ * The display has been reset as well,
+ * so need a full re-initialization.
+ */
+ intel_runtime_pm_disable_interrupts(dev_priv);
+ intel_runtime_pm_enable_interrupts(dev_priv);
+
+ intel_modeset_init_hw(dev);
+
+ spin_lock_irq(&dev_priv->irq_lock);
+ if (dev_priv->display.hpd_irq_setup)
+ dev_priv->display.hpd_irq_setup(dev);
+ spin_unlock_irq(&dev_priv->irq_lock);
+
+ intel_modeset_setup_hw_state(dev, true);
+
+ intel_hpd_init(dev_priv);
+
+ drm_modeset_unlock_all(dev);
+}
+
static int
intel_finish_fb(struct drm_framebuffer *old_fb)
{
* BSpec erroneously claims we should aim for 4MHz, but
* in fact 1MHz is the correct frequency.
*/
- I915_WRITE(GMBUSFREQ_VLV, dev_priv->vlv_cdclk_freq);
+ I915_WRITE(GMBUSFREQ_VLV, DIV_ROUND_UP(dev_priv->vlv_cdclk_freq, 1000));
}
/* Adjust CDclk dividers to allow high res or save power if possible */
int req_cdclk = valleyview_calc_cdclk(dev_priv, max_pixclk);
if (req_cdclk != dev_priv->vlv_cdclk_freq) {
+ /*
+ * FIXME: We can end up here with all power domains off, yet
+ * with a CDCLK frequency other than the minimum. To account
+ * for this take the PIPE-A power domain, which covers the HW
+ * blocks needed for the following programming. This can be
+ * removed once it's guaranteed that we get here either with
+ * the minimum CDCLK set, or the required power domains
+ * enabled.
+ */
+ intel_display_power_get(dev_priv, POWER_DOMAIN_PIPE_A);
+
if (IS_CHERRYVIEW(dev))
cherryview_set_cdclk(dev, req_cdclk);
else
valleyview_set_cdclk(dev, req_cdclk);
+
+ intel_display_power_put(dev_priv, POWER_DOMAIN_PIPE_A);
}
}
{
}
-static void intel_crtc_update_sarea(struct drm_crtc *crtc,
- bool enabled)
-{
- struct drm_device *dev = crtc->dev;
- struct drm_i915_master_private *master_priv;
- struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
- int pipe = intel_crtc->pipe;
-
- if (!dev->primary->master)
- return;
-
- master_priv = dev->primary->master->driver_priv;
- if (!master_priv->sarea_priv)
- return;
-
- switch (pipe) {
- case 0:
- master_priv->sarea_priv->pipeA_w = enabled ? crtc->mode.hdisplay : 0;
- master_priv->sarea_priv->pipeA_h = enabled ? crtc->mode.vdisplay : 0;
- break;
- case 1:
- master_priv->sarea_priv->pipeB_w = enabled ? crtc->mode.hdisplay : 0;
- master_priv->sarea_priv->pipeB_h = enabled ? crtc->mode.vdisplay : 0;
- break;
- default:
- DRM_ERROR("Can't update pipe %c in SAREA\n", pipe_name(pipe));
- break;
- }
-}
-
/* Master function to enable/disable CRTC and corresponding power wells */
void intel_crtc_control(struct drm_crtc *crtc, bool enable)
{
enable |= intel_encoder->connectors_active;
intel_crtc_control(crtc, enable);
-
- intel_crtc_update_sarea(crtc, enable);
}
static void intel_crtc_disable(struct drm_crtc *crtc)
WARN_ON(!crtc->enabled);
dev_priv->display.crtc_disable(crtc);
- intel_crtc_update_sarea(crtc, false);
dev_priv->display.off(crtc);
if (crtc->primary->fb) {
uint32_t width, uint32_t height)
{
struct drm_device *dev = crtc->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = to_i915(dev);
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
enum pipe pipe = intel_crtc->pipe;
unsigned old_width;
crtc = encoder->crtc;
ret = drm_modeset_lock(&crtc->mutex, ctx);
+ if (ret)
+ goto fail_unlock;
+ ret = drm_modeset_lock(&crtc->primary->mutex, ctx);
if (ret)
goto fail_unlock;
}
ret = drm_modeset_lock(&crtc->mutex, ctx);
+ if (ret)
+ goto fail_unlock;
+ ret = drm_modeset_lock(&crtc->primary->mutex, ctx);
if (ret)
goto fail_unlock;
intel_encoder->new_crtc = to_intel_crtc(crtc);
struct drm_device *dev = crtc->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
+ if (i915_reset_in_progress(&dev_priv->gpu_error) ||
+ crtc->reset_counter != atomic_read(&dev_priv->gpu_error.reset_counter))
+ return true;
+
/*
* The relevant registers doen't exist on pre-ctg.
* As the flip done interrupt doesn't trigger for mmio
pipe_config->dp_m2_n2.link_n,
pipe_config->dp_m2_n2.tu);
+ DRM_DEBUG_KMS("audio: %i, infoframes: %i\n",
+ pipe_config->has_audio,
+ pipe_config->has_infoframe);
+
DRM_DEBUG_KMS("requested mode:\n");
drm_mode_debug_printmodeline(&pipe_config->requested_mode);
DRM_DEBUG_KMS("adjusted mode:\n");
return true;
}
+static bool check_digital_port_conflicts(struct drm_device *dev)
+{
+ struct intel_connector *connector;
+ unsigned int used_ports = 0;
+
+ /*
+ * Walk the connector list instead of the encoder
+ * list to detect the problem on ddi platforms
+ * where there's just one encoder per digital port.
+ */
+ list_for_each_entry(connector,
+ &dev->mode_config.connector_list, base.head) {
+ struct intel_encoder *encoder = connector->new_encoder;
+
+ if (!encoder)
+ continue;
+
+ WARN_ON(!encoder->new_crtc);
+
+ switch (encoder->type) {
+ unsigned int port_mask;
+ case INTEL_OUTPUT_UNKNOWN:
+ if (WARN_ON(!HAS_DDI(dev)))
+ break;
+ case INTEL_OUTPUT_DISPLAYPORT:
+ case INTEL_OUTPUT_HDMI:
+ case INTEL_OUTPUT_EDP:
+ port_mask = 1 << enc_to_dig_port(&encoder->base)->port;
+
+ /* the same port mustn't appear more than once */
+ if (used_ports & port_mask)
+ return false;
+
+ used_ports |= port_mask;
+ default:
+ break;
+ }
+ }
+
+ return true;
+}
+
static struct intel_crtc_config *
intel_modeset_pipe_config(struct drm_crtc *crtc,
struct drm_framebuffer *fb,
return ERR_PTR(-EINVAL);
}
+ if (!check_digital_port_conflicts(dev)) {
+ DRM_DEBUG_KMS("rejecting conflicting digital port configuration\n");
+ return ERR_PTR(-EINVAL);
+ }
+
pipe_config = kzalloc(sizeof(*pipe_config), GFP_KERNEL);
if (!pipe_config)
return ERR_PTR(-ENOMEM);
}
intel_dump_pipe_config(to_intel_crtc(crtc), pipe_config,
"[modeset]");
- to_intel_crtc(crtc)->new_config = pipe_config;
out:
return pipe_config;
*saved_mode = crtc->mode;
+ if (modeset_pipes)
+ to_intel_crtc(crtc)->new_config = pipe_config;
+
/*
* See if the config requires any additional preparation, e.g.
* to adjust global state with pipes off. We need to do this
ret = PTR_ERR(pipe_config);
goto fail;
} else if (pipe_config) {
- if (to_intel_crtc(set->crtc)->new_config->has_audio !=
+ if (pipe_config->has_audio !=
to_intel_crtc(set->crtc)->config.has_audio)
config->mode_changed = true;
- /* Force mode sets for any infoframe stuff */
- if (to_intel_crtc(set->crtc)->new_config->has_infoframe ||
- to_intel_crtc(set->crtc)->config.has_infoframe)
- config->mode_changed = true;
+ /*
+ * Note we have an issue here with infoframes: current code
+ * only updates them on the full mode set path per hw
+ * requirements. So here we should be checking for any
+ * required changes and forcing a mode set.
+ */
}
/* set_mode will free it in the mode_changed case */
/* Acer C720 Chromebook (Core i3 4005U) */
{ 0x0a16, 0x1025, 0x0a11, quirk_backlight_present },
+ /* Apple Macbook 2,1 (Core 2 T7400) */
+ { 0x27a2, 0x8086, 0x7270, quirk_backlight_present },
+
/* Toshiba CB35 Chromebook (Celeron 2955U) */
{ 0x0a06, 0x1179, 0x0a88, quirk_backlight_present },
struct drm_i915_private *dev_priv = dev->dev_private;
struct drm_connector *connector;
+ intel_disable_gt_powersave(dev);
+
intel_backlight_unregister(dev);
/*
* Interrupts and polling as the first thing to avoid creating havoc.
- * Too much stuff here (turning of rps, connectors, ...) would
+ * Too much stuff here (turning of connectors, ...) would
* experience fancy races otherwise.
*/
intel_irq_uninstall(dev_priv);
intel_disable_fbc(dev);
- intel_disable_gt_powersave(dev);
-
ironlake_teardown_rc6(dev);
mutex_unlock(&dev->struct_mutex);
projects / deliverable / linux.git / blobdiff