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authorDave Airlie <airlied@redhat.com>2014-03-18 19:06:53 +1000
committerDave Airlie <airlied@redhat.com>2014-03-18 19:06:53 +1000
commit8ad2bc9796994ecba9f4ba2fc9abca27ee9d193d (patch)
treeb36c83fa93da7f18c1331252fb82a87431697443 /drivers/gpu/drm/i915/intel_dp.c
parente40d641099213145a034981e646dc2180a488152 (diff)
parente19b9137142988bec5a76c5f8bdf12a77ea802b0 (diff)
Merge branch 'drm-intel-next' of git://git.freedesktop.org/git/drm-intel into drm-next
- fine-grained display power domains for byt (Imre) - runtime pm prep patches for !hsw from Paulo - WiZ hashing flag updates from Ville - ppgtt setup cleanup and enabling of full 4G range on bdw (Ben) - fixes from Jesse for the inherited intial config code - gpu reset code improvements from Mika - per-pipe num_planes refactoring from Damien - stability fixes around bdw forcewake handling and other bdw w/a from Mika Ken - and as usual a pile of smaller fixes all over * 'drm-intel-next' of git://git.freedesktop.org/git/drm-intel: (107 commits) drm/i915: Go OCD on the Makefile drm/i915: Implement command buffer parsing logic drm/i915: Refactor shmem pread setup drm/i915: Avoid div by zero when pixel clock is large drm/i915: power domains: add vlv power wells drm/i915: factor out intel_set_cpu_fifo_underrun_reporting_nolock drm/i915: vlv: factor out valleyview_display_irq_install drm/i915: sanity check power well sw state against hw state drm/i915: factor out reset_vblank_counter drm/i915: sanitize PUNIT register macro definitions drm/i915: vlv: keep first level vblank IRQs masked drm/i915: check pipe power domain when reading its hw state drm/i915: check port power domain when reading the encoder hw state drm/i915: get port power domain in connector detect handlers drm/i915: add port power domains drm/i915: add noop power well handlers instead of NULL checking them drm/i915: split power well 'set' handler to separate enable/disable/sync_hw drm/i915: add init power domain to always-on power wells drm/i915: move power domain macros to intel_pm.c drm/i915: Disable full ppgtt by default ...
Diffstat (limited to 'drivers/gpu/drm/i915/intel_dp.c')
-rw-r--r--drivers/gpu/drm/i915/intel_dp.c43
1 files changed, 39 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index c512d78af27..49d12d341ab 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -916,8 +916,8 @@ intel_dp_compute_config(struct intel_encoder *encoder,
mode_rate = intel_dp_link_required(adjusted_mode->crtc_clock,
bpp);
- for (clock = 0; clock <= max_clock; clock++) {
- for (lane_count = 1; lane_count <= max_lane_count; lane_count <<= 1) {
+ for (lane_count = 1; lane_count <= max_lane_count; lane_count <<= 1) {
+ for (clock = 0; clock <= max_clock; clock++) {
link_clock = drm_dp_bw_code_to_link_rate(bws[clock]);
link_avail = intel_dp_max_data_rate(link_clock,
lane_count);
@@ -1333,7 +1333,8 @@ void intel_edp_panel_off(struct intel_dp *intel_dp)
pp = ironlake_get_pp_control(intel_dp);
/* We need to switch off panel power _and_ force vdd, for otherwise some
* panels get very unhappy and cease to work. */
- pp &= ~(POWER_TARGET_ON | PANEL_POWER_RESET | EDP_BLC_ENABLE);
+ pp &= ~(POWER_TARGET_ON | PANEL_POWER_RESET | EDP_FORCE_VDD |
+ EDP_BLC_ENABLE);
pp_ctrl_reg = _pp_ctrl_reg(intel_dp);
@@ -1485,7 +1486,14 @@ static bool intel_dp_get_hw_state(struct intel_encoder *encoder,
enum port port = dp_to_dig_port(intel_dp)->port;
struct drm_device *dev = encoder->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
- u32 tmp = I915_READ(intel_dp->output_reg);
+ enum intel_display_power_domain power_domain;
+ u32 tmp;
+
+ power_domain = intel_display_port_power_domain(encoder);
+ if (!intel_display_power_enabled(dev_priv, power_domain))
+ return false;
+
+ tmp = I915_READ(intel_dp->output_reg);
if (!(tmp & DP_PORT_EN))
return false;
@@ -1868,9 +1876,11 @@ static void intel_disable_dp(struct intel_encoder *encoder)
/* Make sure the panel is off before trying to change the mode. But also
* ensure that we have vdd while we switch off the panel. */
+ edp_panel_vdd_on(intel_dp);
intel_edp_backlight_off(intel_dp);
intel_dp_sink_dpms(intel_dp, DRM_MODE_DPMS_OFF);
intel_edp_panel_off(intel_dp);
+ edp_panel_vdd_off(intel_dp, true);
/* cpu edp my only be disable _after_ the cpu pipe/plane is disabled. */
if (!(port == PORT_A || IS_VALLEYVIEW(dev)))
@@ -3224,10 +3234,14 @@ intel_dp_detect(struct drm_connector *connector, bool force)
struct drm_device *dev = connector->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
enum drm_connector_status status;
+ enum intel_display_power_domain power_domain;
struct edid *edid = NULL;
intel_runtime_pm_get(dev_priv);
+ power_domain = intel_display_port_power_domain(intel_encoder);
+ intel_display_power_get(dev_priv, power_domain);
+
DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
connector->base.id, drm_get_connector_name(connector));
@@ -3258,21 +3272,32 @@ intel_dp_detect(struct drm_connector *connector, bool force)
status = connector_status_connected;
out:
+ intel_display_power_put(dev_priv, power_domain);
+
intel_runtime_pm_put(dev_priv);
+
return status;
}
static int intel_dp_get_modes(struct drm_connector *connector)
{
struct intel_dp *intel_dp = intel_attached_dp(connector);
+ struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);
+ struct intel_encoder *intel_encoder = &intel_dig_port->base;
struct intel_connector *intel_connector = to_intel_connector(connector);
struct drm_device *dev = connector->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ enum intel_display_power_domain power_domain;
int ret;
/* We should parse the EDID data and find out if it has an audio sink
*/
+ power_domain = intel_display_port_power_domain(intel_encoder);
+ intel_display_power_get(dev_priv, power_domain);
+
ret = intel_dp_get_edid_modes(connector, &intel_dp->adapter);
+ intel_display_power_put(dev_priv, power_domain);
if (ret)
return ret;
@@ -3293,15 +3318,25 @@ static bool
intel_dp_detect_audio(struct drm_connector *connector)
{
struct intel_dp *intel_dp = intel_attached_dp(connector);
+ struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);
+ struct intel_encoder *intel_encoder = &intel_dig_port->base;
+ struct drm_device *dev = connector->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ enum intel_display_power_domain power_domain;
struct edid *edid;
bool has_audio = false;
+ power_domain = intel_display_port_power_domain(intel_encoder);
+ intel_display_power_get(dev_priv, power_domain);
+
edid = intel_dp_get_edid(connector, &intel_dp->adapter);
if (edid) {
has_audio = drm_detect_monitor_audio(edid);
kfree(edid);
}
+ intel_display_power_put(dev_priv, power_domain);
+
return has_audio;
}