return max_link_bw;
}
-static int
-intel_dp_link_clock(uint8_t link_bw)
-{
- if (link_bw == DP_LINK_BW_2_7)
- return 270000;
- else
- return 162000;
-}
-
/*
* The units on the numbers in the next two are... bizarre. Examples will
* make it clearer; this one parallels an example in the eDP spec.
struct drm_display_mode *mode,
bool adjust_mode)
{
- int max_link_clock = intel_dp_link_clock(intel_dp_max_link_bw(intel_dp));
+ int max_link_clock =
+ drm_dp_bw_code_to_link_rate(intel_dp_max_link_bw(intel_dp));
int max_lanes = drm_dp_max_lane_count(intel_dp->dpcd);
int max_rate, mode_rate;
* clock divider.
*/
if (is_cpu_edp(intel_dp)) {
- if (IS_HASWELL(dev))
+ if (HAS_DDI(dev))
aux_clock_divider = intel_ddi_get_cdclk_freq(dev_priv) >> 1;
else if (IS_VALLEYVIEW(dev))
aux_clock_divider = 100;
return ret;
}
-static bool
+bool
intel_dp_mode_fixup(struct drm_encoder *encoder,
const struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode)
for (clock = 0; clock <= max_clock; clock++) {
for (lane_count = 1; lane_count <= max_lane_count; lane_count <<= 1) {
- int link_avail = intel_dp_max_data_rate(intel_dp_link_clock(bws[clock]), lane_count);
+ int link_bw_clock =
+ drm_dp_bw_code_to_link_rate(bws[clock]);
+ int link_avail = intel_dp_max_data_rate(link_bw_clock,
+ lane_count);
if (mode_rate <= link_avail) {
intel_dp->link_bw = bws[clock];
intel_dp->lane_count = lane_count;
- adjusted_mode->clock = intel_dp_link_clock(intel_dp->link_bw);
+ adjusted_mode->clock = link_bw_clock;
DRM_DEBUG_KMS("DP link bw %02x lane "
"count %d clock %d bpp %d\n",
intel_dp->link_bw, intel_dp->lane_count,
int voltage_tries, loop_tries;
uint32_t DP = intel_dp->DP;
- if (IS_HASWELL(dev))
+ if (HAS_DDI(dev))
intel_ddi_prepare_link_retrain(encoder);
/* Write the link configuration data */
if ((intel_dp->train_set[i] & DP_TRAIN_MAX_SWING_REACHED) == 0)
break;
if (i == intel_dp->lane_count && voltage_tries == 5) {
- if (++loop_tries == 5) {
+ ++loop_tries;
+ if (loop_tries == 5) {
DRM_DEBUG_KMS("too many full retries, give up\n");
break;
}
}
/* Check to see if we've tried the same voltage 5 times */
- if ((intel_dp->train_set[0] & DP_TRAIN_VOLTAGE_SWING_MASK) != voltage) {
- voltage = intel_dp->train_set[0] & DP_TRAIN_VOLTAGE_SWING_MASK;
- voltage_tries = 0;
- } else
+ if ((intel_dp->train_set[0] & DP_TRAIN_VOLTAGE_SWING_MASK) == voltage) {
++voltage_tries;
+ if (voltage_tries == 5) {
+ DRM_DEBUG_KMS("too many voltage retries, give up\n");
+ break;
+ }
+ } else
+ voltage_tries = 0;
+ voltage = intel_dp->train_set[0] & DP_TRAIN_VOLTAGE_SWING_MASK;
/* Compute new intel_dp->train_set as requested by target */
intel_get_adjust_train(intel_dp, link_status);
* intel_ddi_prepare_link_retrain will take care of redoing the link
* train.
*/
- if (IS_HASWELL(dev))
+ if (HAS_DDI(dev))
return;
if (WARN_ON((I915_READ(intel_dp->output_reg) & DP_PORT_EN) == 0))
* 4. Check link status on receipt of hot-plug interrupt
*/
-static void
+void
intel_dp_check_link_status(struct intel_dp *intel_dp)
{
struct intel_encoder *intel_encoder = &dp_to_dig_port(intel_dp)->base;
struct intel_dp *intel_dp = enc_to_intel_dp(&intel_encoder->base);
int ret;
- ret = drm_connector_property_set_value(connector, property, val);
+ ret = drm_object_property_set_value(&connector->base, property, val);
if (ret)
return ret;
kfree(connector);
}
-static void intel_dp_encoder_destroy(struct drm_encoder *encoder)
+void intel_dp_encoder_destroy(struct drm_encoder *encoder)
{
struct intel_digital_port *intel_dig_port = enc_to_dig_port(encoder);
struct intel_dp *intel_dp = &intel_dig_port->dp;
.disable = intel_encoder_noop,
};
-static const struct drm_encoder_helper_funcs intel_dp_helper_funcs_hsw = {
- .mode_fixup = intel_dp_mode_fixup,
- .mode_set = intel_ddi_mode_set,
- .disable = intel_encoder_noop,
-};
-
static const struct drm_connector_funcs intel_dp_connector_funcs = {
.dpms = intel_connector_dpms,
.detect = intel_dp_detect,
I915_READ(PCH_PP_DIVISOR));
}
-static void
+void
intel_dp_init_connector(struct intel_digital_port *intel_dig_port,
struct intel_connector *intel_connector)
{
type = DRM_MODE_CONNECTOR_eDP;
intel_encoder->type = INTEL_OUTPUT_EDP;
} else {
+ /* The intel_encoder->type value may be INTEL_OUTPUT_UNKNOWN for
+ * DDI or INTEL_OUTPUT_DISPLAYPORT for the older gens, so don't
+ * rewrite it.
+ */
type = DRM_MODE_CONNECTOR_DisplayPort;
- intel_encoder->type = INTEL_OUTPUT_DISPLAYPORT;
}
drm_connector_init(dev, connector, &intel_dp_connector_funcs, type);
intel_connector_attach_encoder(intel_connector, intel_encoder);
drm_sysfs_connector_add(connector);
- if (IS_HASWELL(dev))
+ if (HAS_DDI(dev))
intel_connector->get_hw_state = intel_ddi_connector_get_hw_state;
else
intel_connector->get_hw_state = intel_connector_get_hw_state;
drm_encoder_init(dev, &intel_encoder->base, &intel_dp_enc_funcs,
DRM_MODE_ENCODER_TMDS);
+ drm_encoder_helper_add(&intel_encoder->base, &intel_dp_helper_funcs);
- if (IS_HASWELL(dev)) {
- drm_encoder_helper_add(&intel_encoder->base,
- &intel_dp_helper_funcs_hsw);
-
- intel_encoder->enable = intel_enable_ddi;
- intel_encoder->pre_enable = intel_ddi_pre_enable;
- intel_encoder->disable = intel_disable_ddi;
- intel_encoder->post_disable = intel_ddi_post_disable;
- intel_encoder->get_hw_state = intel_ddi_get_hw_state;
- } else {
- drm_encoder_helper_add(&intel_encoder->base,
- &intel_dp_helper_funcs);
-
- intel_encoder->enable = intel_enable_dp;
- intel_encoder->pre_enable = intel_pre_enable_dp;
- intel_encoder->disable = intel_disable_dp;
- intel_encoder->post_disable = intel_post_disable_dp;
- intel_encoder->get_hw_state = intel_dp_get_hw_state;
- }
+ intel_encoder->enable = intel_enable_dp;
+ intel_encoder->pre_enable = intel_pre_enable_dp;
+ intel_encoder->disable = intel_disable_dp;
+ intel_encoder->post_disable = intel_post_disable_dp;
+ intel_encoder->get_hw_state = intel_dp_get_hw_state;
intel_dig_port->port = port;
intel_dig_port->dp.output_reg = output_reg;
+ intel_encoder->type = INTEL_OUTPUT_DISPLAYPORT;
intel_encoder->crtc_mask = (1 << 0) | (1 << 1) | (1 << 2);
intel_encoder->cloneable = false;
intel_encoder->hot_plug = intel_dp_hot_plug;
projects / linux-imx.git / blobdiff