#include "i915_drv.h"
#define DP_LINK_CHECK_TIMEOUT (10 * 1000)
+#define DP_DPRX_ESI_LEN 14
/* Compliance test status bits */
#define INTEL_DP_RESOLUTION_SHIFT_MASK 0
enum pipe pipe);
static void intel_dp_unset_edid(struct intel_dp *intel_dp);
-static int intel_dp_num_rates(u8 link_bw_code)
-{
- switch (link_bw_code) {
- default:
- WARN(1, "invalid max DP link bw val %x, using 1.62Gbps\n",
- link_bw_code);
- case DP_LINK_BW_1_62:
- return 1;
- case DP_LINK_BW_2_7:
- return 2;
- case DP_LINK_BW_5_4:
- return 3;
- }
-}
-
/* update sink rates from dpcd */
static void intel_dp_set_sink_rates(struct intel_dp *intel_dp)
{
- int i, num_rates;
+ int i, max_rate;
- num_rates = intel_dp_num_rates(intel_dp->dpcd[DP_MAX_LINK_RATE]);
+ max_rate = drm_dp_bw_code_to_link_rate(intel_dp->dpcd[DP_MAX_LINK_RATE]);
- for (i = 0; i < num_rates; i++)
+ for (i = 0; i < ARRAY_SIZE(default_rates); i++) {
+ if (default_rates[i] > max_rate)
+ break;
intel_dp->sink_rates[i] = default_rates[i];
+ }
- intel_dp->num_sink_rates = num_rates;
+ intel_dp->num_sink_rates = i;
}
/* Theoretical max between source and sink */
} else if (IS_GEN9_BC(dev_priv)) {
source_rates = skl_rates;
size = ARRAY_SIZE(skl_rates);
- } else {
+ } else if ((IS_HASWELL(dev_priv) && !IS_HSW_ULX(dev_priv)) ||
+ IS_BROADWELL(dev_priv)) {
source_rates = default_rates;
size = ARRAY_SIZE(default_rates);
+ } else {
+ source_rates = default_rates;
+ size = ARRAY_SIZE(default_rates) - 1;
}
- /* This depends on the fact that 5.4 is last value in the array */
- if (!intel_dp_source_supports_hbr2(intel_dp))
- size--;
-
intel_dp->source_rates = source_rates;
intel_dp->num_source_rates = size;
}
else
precharge = 5;
- if (IS_BROADWELL(dev_priv) && intel_dig_port->port == PORT_A)
+ if (IS_BROADWELL(dev_priv))
timeout = DP_AUX_CH_CTL_TIME_OUT_600us;
else
timeout = DP_AUX_CH_CTL_TIME_OUT_400us;
DP_AUX_CH_CTL_DONE |
(has_aux_irq ? DP_AUX_CH_CTL_INTERRUPT : 0) |
DP_AUX_CH_CTL_TIME_OUT_ERROR |
- DP_AUX_CH_CTL_TIME_OUT_1600us |
+ DP_AUX_CH_CTL_TIME_OUT_MAX |
DP_AUX_CH_CTL_RECEIVE_ERROR |
(send_bytes << DP_AUX_CH_CTL_MESSAGE_SIZE_SHIFT) |
DP_AUX_CH_CTL_FW_SYNC_PULSE_SKL(32) |
bool intel_dp_source_supports_hbr2(struct intel_dp *intel_dp)
{
- struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
- struct drm_i915_private *dev_priv = to_i915(dig_port->base.base.dev);
+ int max_rate = intel_dp->source_rates[intel_dp->num_source_rates - 1];
- if ((IS_HASWELL(dev_priv) && !IS_HSW_ULX(dev_priv)) ||
- IS_BROADWELL(dev_priv) || (INTEL_GEN(dev_priv) >= 9))
- return true;
- else
- return false;
+ return max_rate >= 540000;
}
static void
if (!HAS_DDI(dev_priv))
intel_dp_set_clock(encoder, pipe_config);
+ intel_psr_compute_config(intel_dp, pipe_config);
+
return true;
}
I915_WRITE(pp_ctrl_reg, pp);
POSTING_READ(pp_ctrl_reg);
- intel_dp->panel_power_off_time = ktime_get_boottime();
wait_panel_off(intel_dp);
+ intel_dp->panel_power_off_time = ktime_get_boottime();
/* We got a reference when we enabled the VDD. */
intel_display_power_put(dev_priv, intel_dp->aux_power_domain);
const struct drm_connector_state *old_conn_state)
{
struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base);
- struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
if (old_crtc_state->has_audio)
intel_audio_codec_disable(encoder);
- if (HAS_PSR(dev_priv) && !HAS_DDI(dev_priv))
- intel_psr_disable(intel_dp, old_crtc_state);
-
/* 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. */
intel_edp_panel_vdd_on(intel_dp);
intel_edp_backlight_off(old_conn_state);
intel_dp_sink_dpms(intel_dp, DRM_MODE_DPMS_OFF);
intel_edp_panel_off(intel_dp);
+}
+
+static void g4x_disable_dp(struct intel_encoder *encoder,
+ const struct intel_crtc_state *old_crtc_state,
+ const struct drm_connector_state *old_conn_state)
+{
+ struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base);
+
+ intel_disable_dp(encoder, old_crtc_state, old_conn_state);
/* disable the port before the pipe on g4x */
- if (INTEL_GEN(dev_priv) < 5)
- intel_dp_link_down(intel_dp);
+ intel_dp_link_down(intel_dp);
+}
+
+static void ilk_disable_dp(struct intel_encoder *encoder,
+ const struct intel_crtc_state *old_crtc_state,
+ const struct drm_connector_state *old_conn_state)
+{
+ intel_disable_dp(encoder, old_crtc_state, old_conn_state);
+}
+
+static void vlv_disable_dp(struct intel_encoder *encoder,
+ const struct intel_crtc_state *old_crtc_state,
+ const struct drm_connector_state *old_conn_state)
+{
+ struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base);
+
+ intel_psr_disable(intel_dp, old_crtc_state);
+
+ intel_disable_dp(encoder, old_crtc_state, old_conn_state);
}
static void ilk_post_disable_dp(struct intel_encoder *encoder,
struct drm_i915_private *dev_priv = to_i915(intel_dp_to_dev(intel_dp));
enum port port = dp_to_dig_port(intel_dp)->port;
- if (IS_GEN9_LP(dev_priv))
- return DP_TRAIN_VOLTAGE_SWING_LEVEL_3;
- else if (INTEL_GEN(dev_priv) >= 9) {
+ if (INTEL_GEN(dev_priv) >= 9) {
struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base;
return intel_ddi_dp_voltage_max(encoder);
} else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv))
{
u8 mstm_cap;
- if (!i915.enable_dp_mst)
+ if (!i915_modparams.enable_dp_mst)
return false;
if (!intel_dp->can_mst)
static void
intel_dp_configure_mst(struct intel_dp *intel_dp)
{
- if (!i915.enable_dp_mst)
+ if (!i915_modparams.enable_dp_mst)
return;
if (!intel_dp->can_mst)
static bool
intel_dp_get_sink_irq_esi(struct intel_dp *intel_dp, u8 *sink_irq_vector)
{
- int ret;
-
- ret = drm_dp_dpcd_read(&intel_dp->aux,
- DP_SINK_COUNT_ESI,
- sink_irq_vector, 14);
- if (ret != 14)
- return false;
-
- return true;
+ return drm_dp_dpcd_read(&intel_dp->aux, DP_SINK_COUNT_ESI,
+ sink_irq_vector, DP_DPRX_ESI_LEN) ==
+ DP_DPRX_ESI_LEN;
}
static uint8_t intel_dp_autotest_link_training(struct intel_dp *intel_dp)
bool bret;
if (intel_dp->is_mst) {
- u8 esi[16] = { 0 };
+ u8 esi[DP_DPRX_ESI_LEN] = { 0 };
int ret = 0;
int retry;
bool handled;
if (intel_encoder->type != INTEL_OUTPUT_EDP)
intel_encoder->type = INTEL_OUTPUT_DP;
- DRM_DEBUG_KMS("Display Port TPS3 support: source %s, sink %s\n",
- yesno(intel_dp_source_supports_hbr2(intel_dp)),
- yesno(drm_dp_tps3_supported(intel_dp->dpcd)));
-
if (intel_dp->reset_link_params) {
/* Initial max link lane count */
intel_dp->max_link_lane_count = intel_dp_max_common_lane_count(intel_dp);
* seems sufficient to avoid this problem.
*/
if (dev_priv->quirks & QUIRK_INCREASE_T12_DELAY) {
- vbt.t11_t12 = max_t(u16, vbt.t11_t12, 900 * 10);
+ vbt.t11_t12 = max_t(u16, vbt.t11_t12, 1300 * 10);
DRM_DEBUG_KMS("Increasing T12 panel delay as per the quirk to %d\n",
vbt.t11_t12);
}
return;
}
- /*
- * FIXME: This needs proper synchronization with psr state for some
- * platforms that cannot have PSR and DRRS enabled at the same time.
- */
-
dig_port = dp_to_dig_port(intel_dp);
encoder = &dig_port->base;
intel_crtc = to_intel_crtc(encoder->base.crtc);
return;
}
+ if (dev_priv->psr.enabled) {
+ DRM_DEBUG_KMS("PSR enabled. Not enabling DRRS.\n");
+ return;
+ }
+
mutex_lock(&dev_priv->drrs.mutex);
if (WARN_ON(dev_priv->drrs.dp)) {
DRM_ERROR("DRRS already enabled\n");
goto err_encoder_init;
intel_encoder->compute_config = intel_dp_compute_config;
- intel_encoder->disable = intel_disable_dp;
intel_encoder->get_hw_state = intel_dp_get_hw_state;
intel_encoder->get_config = intel_dp_get_config;
intel_encoder->suspend = intel_dp_encoder_suspend;
intel_encoder->pre_pll_enable = chv_dp_pre_pll_enable;
intel_encoder->pre_enable = chv_pre_enable_dp;
intel_encoder->enable = vlv_enable_dp;
+ intel_encoder->disable = vlv_disable_dp;
intel_encoder->post_disable = chv_post_disable_dp;
intel_encoder->post_pll_disable = chv_dp_post_pll_disable;
} else if (IS_VALLEYVIEW(dev_priv)) {
intel_encoder->pre_pll_enable = vlv_dp_pre_pll_enable;
intel_encoder->pre_enable = vlv_pre_enable_dp;
intel_encoder->enable = vlv_enable_dp;
+ intel_encoder->disable = vlv_disable_dp;
intel_encoder->post_disable = vlv_post_disable_dp;
+ } else if (INTEL_GEN(dev_priv) >= 5) {
+ intel_encoder->pre_enable = g4x_pre_enable_dp;
+ intel_encoder->enable = g4x_enable_dp;
+ intel_encoder->disable = ilk_disable_dp;
+ intel_encoder->post_disable = ilk_post_disable_dp;
} else {
intel_encoder->pre_enable = g4x_pre_enable_dp;
intel_encoder->enable = g4x_enable_dp;
- if (INTEL_GEN(dev_priv) >= 5)
- intel_encoder->post_disable = ilk_post_disable_dp;
+ intel_encoder->disable = g4x_disable_dp;
}
intel_dig_port->port = port;
projects / linux-2.6-microblaze.git / blobdiff