return max_dotclk;
}
+static int
+intel_dp_sink_rates(struct intel_dp *intel_dp, const int **sink_rates)
+{
+ if (intel_dp->num_sink_rates) {
+ *sink_rates = intel_dp->sink_rates;
+ return intel_dp->num_sink_rates;
+ }
+
+ *sink_rates = default_rates;
+
+ return (intel_dp_max_link_bw(intel_dp) >> 3) + 1;
+}
+
+static int
+intel_dp_source_rates(struct intel_dp *intel_dp, const int **source_rates)
+{
+ 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 size;
+
+ if (IS_BROXTON(dev_priv)) {
+ *source_rates = bxt_rates;
+ size = ARRAY_SIZE(bxt_rates);
+ } else if (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv)) {
+ *source_rates = skl_rates;
+ size = ARRAY_SIZE(skl_rates);
+ } else {
+ *source_rates = default_rates;
+ size = ARRAY_SIZE(default_rates);
+ }
+
+ /* This depends on the fact that 5.4 is last value in the array */
+ if (!intel_dp_source_supports_hbr2(intel_dp))
+ size--;
+
+ return size;
+}
+
+static int intersect_rates(const int *source_rates, int source_len,
+ const int *sink_rates, int sink_len,
+ int *common_rates)
+{
+ int i = 0, j = 0, k = 0;
+
+ while (i < source_len && j < sink_len) {
+ if (source_rates[i] == sink_rates[j]) {
+ if (WARN_ON(k >= DP_MAX_SUPPORTED_RATES))
+ return k;
+ common_rates[k] = source_rates[i];
+ ++k;
+ ++i;
+ ++j;
+ } else if (source_rates[i] < sink_rates[j]) {
+ ++i;
+ } else {
+ ++j;
+ }
+ }
+ return k;
+}
+
+static int intel_dp_common_rates(struct intel_dp *intel_dp,
+ int *common_rates)
+{
+ const int *source_rates, *sink_rates;
+ int source_len, sink_len;
+
+ sink_len = intel_dp_sink_rates(intel_dp, &sink_rates);
+ source_len = intel_dp_source_rates(intel_dp, &source_rates);
+
+ return intersect_rates(source_rates, source_len,
+ sink_rates, sink_len,
+ common_rates);
+}
+
static enum drm_mode_status
intel_dp_mode_valid(struct drm_connector *connector,
struct drm_display_mode *mode)
DP |= DP_PORT_WIDTH(1);
DP |= DP_LINK_TRAIN_PAT_1;
- if (IS_CHERRYVIEW(dev))
+ if (IS_CHERRYVIEW(dev_priv))
DP |= DP_PIPE_SELECT_CHV(pipe);
else if (pipe == PIPE_B)
DP |= DP_PIPEB_SELECT;
* So enable temporarily it if it's not already enabled.
*/
if (!pll_enabled) {
- release_cl_override = IS_CHERRYVIEW(dev) &&
+ release_cl_override = IS_CHERRYVIEW(dev_priv) &&
!chv_phy_powergate_ch(dev_priv, phy, ch, true);
- if (vlv_force_pll_on(dev, pipe, IS_CHERRYVIEW(dev) ?
+ if (vlv_force_pll_on(dev, pipe, IS_CHERRYVIEW(dev_priv) ?
&chv_dpll[0].dpll : &vlv_dpll[0].dpll)) {
DRM_ERROR("Failed to force on pll for pipe %c!\n",
pipe_name(pipe));
struct drm_device *dev = &dev_priv->drm;
struct intel_encoder *encoder;
- if (WARN_ON(!IS_VALLEYVIEW(dev) && !IS_CHERRYVIEW(dev) &&
- !IS_BROXTON(dev)))
+ if (WARN_ON(!IS_VALLEYVIEW(dev_priv) && !IS_CHERRYVIEW(dev_priv) &&
+ !IS_BROXTON(dev_priv)))
return;
/*
continue;
intel_dp = enc_to_intel_dp(&encoder->base);
- if (IS_BROXTON(dev))
+ if (IS_BROXTON(dev_priv))
intel_dp->pps_reset = true;
else
intel_dp->pps_pipe = INVALID_PIPE;
pps_lock(intel_dp);
- if (IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev)) {
+ if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) {
enum pipe pipe = vlv_power_sequencer_pipe(intel_dp);
i915_reg_t pp_ctrl_reg, pp_div_reg;
u32 pp_div;
lockdep_assert_held(&dev_priv->pps_mutex);
- if ((IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev)) &&
+ if ((IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) &&
intel_dp->pps_pipe == INVALID_PIPE)
return false;
lockdep_assert_held(&dev_priv->pps_mutex);
- if ((IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev)) &&
+ if ((IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) &&
intel_dp->pps_pipe == INVALID_PIPE)
return false;
uint32_t aux_clock_divider)
{
struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);
- struct drm_device *dev = intel_dig_port->base.base.dev;
+ struct drm_i915_private *dev_priv =
+ to_i915(intel_dig_port->base.base.dev);
uint32_t precharge, timeout;
- if (IS_GEN6(dev))
+ if (IS_GEN6(dev_priv))
precharge = 3;
else
precharge = 5;
- if (IS_BROADWELL(dev) && intel_dig_port->port == PORT_A)
+ if (IS_BROADWELL(dev_priv) && intel_dig_port->port == PORT_A)
timeout = DP_AUX_CH_CTL_TIME_OUT_600us;
else
timeout = DP_AUX_CH_CTL_TIME_OUT_400us;
return ret;
}
+static enum port intel_aux_port(struct drm_i915_private *dev_priv,
+ enum port port)
+{
+ const struct ddi_vbt_port_info *info =
+ &dev_priv->vbt.ddi_port_info[port];
+ enum port aux_port;
+
+ if (!info->alternate_aux_channel) {
+ DRM_DEBUG_KMS("using AUX %c for port %c (platform default)\n",
+ port_name(port), port_name(port));
+ return port;
+ }
+
+ switch (info->alternate_aux_channel) {
+ case DP_AUX_A:
+ aux_port = PORT_A;
+ break;
+ case DP_AUX_B:
+ aux_port = PORT_B;
+ break;
+ case DP_AUX_C:
+ aux_port = PORT_C;
+ break;
+ case DP_AUX_D:
+ aux_port = PORT_D;
+ break;
+ default:
+ MISSING_CASE(info->alternate_aux_channel);
+ aux_port = PORT_A;
+ break;
+ }
+
+ DRM_DEBUG_KMS("using AUX %c for port %c (VBT)\n",
+ port_name(aux_port), port_name(port));
+
+ return aux_port;
+}
+
static i915_reg_t g4x_aux_ctl_reg(struct drm_i915_private *dev_priv,
- enum port port)
+ enum port port)
{
switch (port) {
case PORT_B:
}
static i915_reg_t g4x_aux_data_reg(struct drm_i915_private *dev_priv,
- enum port port, int index)
+ enum port port, int index)
{
switch (port) {
case PORT_B:
}
static i915_reg_t ilk_aux_ctl_reg(struct drm_i915_private *dev_priv,
- enum port port)
+ enum port port)
{
switch (port) {
case PORT_A:
}
static i915_reg_t ilk_aux_data_reg(struct drm_i915_private *dev_priv,
- enum port port, int index)
+ enum port port, int index)
{
switch (port) {
case PORT_A:
}
}
-/*
- * On SKL we don't have Aux for port E so we rely
- * on VBT to set a proper alternate aux channel.
- */
-static enum port skl_porte_aux_port(struct drm_i915_private *dev_priv)
-{
- const struct ddi_vbt_port_info *info =
- &dev_priv->vbt.ddi_port_info[PORT_E];
-
- switch (info->alternate_aux_channel) {
- case DP_AUX_A:
- return PORT_A;
- case DP_AUX_B:
- return PORT_B;
- case DP_AUX_C:
- return PORT_C;
- case DP_AUX_D:
- return PORT_D;
- default:
- MISSING_CASE(info->alternate_aux_channel);
- return PORT_A;
- }
-}
-
static i915_reg_t skl_aux_ctl_reg(struct drm_i915_private *dev_priv,
- enum port port)
+ enum port port)
{
- if (port == PORT_E)
- port = skl_porte_aux_port(dev_priv);
-
switch (port) {
case PORT_A:
case PORT_B:
}
static i915_reg_t skl_aux_data_reg(struct drm_i915_private *dev_priv,
- enum port port, int index)
+ enum port port, int index)
{
- if (port == PORT_E)
- port = skl_porte_aux_port(dev_priv);
-
switch (port) {
case PORT_A:
case PORT_B:
}
static i915_reg_t intel_aux_ctl_reg(struct drm_i915_private *dev_priv,
- enum port port)
+ enum port port)
{
if (INTEL_INFO(dev_priv)->gen >= 9)
return skl_aux_ctl_reg(dev_priv, port);
}
static i915_reg_t intel_aux_data_reg(struct drm_i915_private *dev_priv,
- enum port port, int index)
+ enum port port, int index)
{
if (INTEL_INFO(dev_priv)->gen >= 9)
return skl_aux_data_reg(dev_priv, port, index);
static void intel_aux_reg_init(struct intel_dp *intel_dp)
{
struct drm_i915_private *dev_priv = to_i915(intel_dp_to_dev(intel_dp));
- enum port port = dp_to_dig_port(intel_dp)->port;
+ enum port port = intel_aux_port(dev_priv,
+ dp_to_dig_port(intel_dp)->port);
int i;
intel_dp->aux_ch_ctl_reg = intel_aux_ctl_reg(dev_priv, port);
intel_dp->aux.transfer = intel_dp_aux_transfer;
}
-static int
-intel_dp_sink_rates(struct intel_dp *intel_dp, const int **sink_rates)
-{
- if (intel_dp->num_sink_rates) {
- *sink_rates = intel_dp->sink_rates;
- return intel_dp->num_sink_rates;
- }
-
- *sink_rates = default_rates;
-
- return (intel_dp_max_link_bw(intel_dp) >> 3) + 1;
-}
-
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_device *dev = dig_port->base.base.dev;
-
- /* WaDisableHBR2:skl */
- if (IS_SKL_REVID(dev, 0, SKL_REVID_B0))
- return false;
+ struct drm_i915_private *dev_priv = to_i915(dig_port->base.base.dev);
- if ((IS_HASWELL(dev) && !IS_HSW_ULX(dev)) || IS_BROADWELL(dev) ||
- (INTEL_INFO(dev)->gen >= 9))
+ if ((IS_HASWELL(dev_priv) && !IS_HSW_ULX(dev_priv)) ||
+ IS_BROADWELL(dev_priv) || (INTEL_GEN(dev_priv) >= 9))
return true;
else
return false;
}
-static int
-intel_dp_source_rates(struct intel_dp *intel_dp, const int **source_rates)
-{
- struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
- struct drm_device *dev = dig_port->base.base.dev;
- int size;
-
- if (IS_BROXTON(dev)) {
- *source_rates = bxt_rates;
- size = ARRAY_SIZE(bxt_rates);
- } else if (IS_SKYLAKE(dev) || IS_KABYLAKE(dev)) {
- *source_rates = skl_rates;
- size = ARRAY_SIZE(skl_rates);
- } else {
- *source_rates = default_rates;
- size = ARRAY_SIZE(default_rates);
- }
-
- /* This depends on the fact that 5.4 is last value in the array */
- if (!intel_dp_source_supports_hbr2(intel_dp))
- size--;
-
- return size;
-}
-
static void
intel_dp_set_clock(struct intel_encoder *encoder,
struct intel_crtc_state *pipe_config)
{
struct drm_device *dev = encoder->base.dev;
+ struct drm_i915_private *dev_priv = to_i915(dev);
const struct dp_link_dpll *divisor = NULL;
int i, count = 0;
- if (IS_G4X(dev)) {
+ if (IS_G4X(dev_priv)) {
divisor = gen4_dpll;
count = ARRAY_SIZE(gen4_dpll);
- } else if (HAS_PCH_SPLIT(dev)) {
+ } else if (HAS_PCH_SPLIT(dev_priv)) {
divisor = pch_dpll;
count = ARRAY_SIZE(pch_dpll);
- } else if (IS_CHERRYVIEW(dev)) {
+ } else if (IS_CHERRYVIEW(dev_priv)) {
divisor = chv_dpll;
count = ARRAY_SIZE(chv_dpll);
- } else if (IS_VALLEYVIEW(dev)) {
+ } else if (IS_VALLEYVIEW(dev_priv)) {
divisor = vlv_dpll;
count = ARRAY_SIZE(vlv_dpll);
}
}
}
-static int intersect_rates(const int *source_rates, int source_len,
- const int *sink_rates, int sink_len,
- int *common_rates)
-{
- int i = 0, j = 0, k = 0;
-
- while (i < source_len && j < sink_len) {
- if (source_rates[i] == sink_rates[j]) {
- if (WARN_ON(k >= DP_MAX_SUPPORTED_RATES))
- return k;
- common_rates[k] = source_rates[i];
- ++k;
- ++i;
- ++j;
- } else if (source_rates[i] < sink_rates[j]) {
- ++i;
- } else {
- ++j;
- }
- }
- return k;
-}
-
-static int intel_dp_common_rates(struct intel_dp *intel_dp,
- int *common_rates)
-{
- const int *source_rates, *sink_rates;
- int source_len, sink_len;
-
- sink_len = intel_dp_sink_rates(intel_dp, &sink_rates);
- source_len = intel_dp_source_rates(intel_dp, &source_rates);
-
- return intersect_rates(source_rates, source_len,
- sink_rates, sink_len,
- common_rates);
-}
-
static void snprintf_int_array(char *str, size_t len,
const int *array, int nelem)
{
DRM_DEBUG_KMS("common rates: %s\n", str);
}
-static void intel_dp_print_hw_revision(struct intel_dp *intel_dp)
+bool
+__intel_dp_read_desc(struct intel_dp *intel_dp, struct intel_dp_desc *desc)
{
- uint8_t rev;
- int len;
-
- if ((drm_debug & DRM_UT_KMS) == 0)
- return;
+ u32 base = drm_dp_is_branch(intel_dp->dpcd) ? DP_BRANCH_OUI :
+ DP_SINK_OUI;
- if (!(intel_dp->dpcd[DP_DOWNSTREAMPORT_PRESENT] &
- DP_DWN_STRM_PORT_PRESENT))
- return;
-
- len = drm_dp_dpcd_read(&intel_dp->aux, DP_BRANCH_HW_REV, &rev, 1);
- if (len < 0)
- return;
-
- DRM_DEBUG_KMS("sink hw revision: %d.%d\n", (rev & 0xf0) >> 4, rev & 0xf);
+ return drm_dp_dpcd_read(&intel_dp->aux, base, desc, sizeof(*desc)) ==
+ sizeof(*desc);
}
-static void intel_dp_print_sw_revision(struct intel_dp *intel_dp)
+bool intel_dp_read_desc(struct intel_dp *intel_dp)
{
- uint8_t rev[2];
- int len;
+ struct intel_dp_desc *desc = &intel_dp->desc;
+ bool oui_sup = intel_dp->dpcd[DP_DOWN_STREAM_PORT_COUNT] &
+ DP_OUI_SUPPORT;
+ int dev_id_len;
- if ((drm_debug & DRM_UT_KMS) == 0)
- return;
-
- if (!(intel_dp->dpcd[DP_DOWNSTREAMPORT_PRESENT] &
- DP_DWN_STRM_PORT_PRESENT))
- return;
+ if (!__intel_dp_read_desc(intel_dp, desc))
+ return false;
- len = drm_dp_dpcd_read(&intel_dp->aux, DP_BRANCH_SW_REV, &rev, 2);
- if (len < 0)
- return;
+ dev_id_len = strnlen(desc->device_id, sizeof(desc->device_id));
+ DRM_DEBUG_KMS("DP %s: OUI %*phD%s dev-ID %*pE HW-rev %d.%d SW-rev %d.%d\n",
+ drm_dp_is_branch(intel_dp->dpcd) ? "branch" : "sink",
+ (int)sizeof(desc->oui), desc->oui, oui_sup ? "" : "(NS)",
+ dev_id_len, desc->device_id,
+ desc->hw_rev >> 4, desc->hw_rev & 0xf,
+ desc->sw_major_rev, desc->sw_minor_rev);
- DRM_DEBUG_KMS("sink sw revision: %d.%d\n", rev[0], rev[1]);
+ return true;
}
static int rate_to_index(int find, const int *rates)
max_clock = common_len - 1;
- if (HAS_PCH_SPLIT(dev) && !HAS_DDI(dev) && port != PORT_A)
+ if (HAS_PCH_SPLIT(dev_priv) && !HAS_DDI(dev_priv) && port != PORT_A)
pipe_config->has_pch_encoder = true;
pipe_config->has_drrs = false;
return ret;
}
- if (HAS_GMCH_DISPLAY(dev))
+ if (HAS_GMCH_DISPLAY(dev_priv))
intel_gmch_panel_fitting(intel_crtc, pipe_config,
intel_connector->panel.fitting_mode);
else
to_intel_atomic_state(pipe_config->base.state)->cdclk_pll_vco = vco;
}
- if (!HAS_DDI(dev))
+ if (!HAS_DDI(dev_priv))
intel_dp_set_clock(encoder, pipe_config);
return true;
/* Split out the IBX/CPU vs CPT settings */
- if (IS_GEN7(dev) && port == PORT_A) {
+ if (IS_GEN7(dev_priv) && port == PORT_A) {
if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC)
intel_dp->DP |= DP_SYNC_HS_HIGH;
if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC)
intel_dp->DP |= DP_ENHANCED_FRAMING;
intel_dp->DP |= crtc->pipe << 29;
- } else if (HAS_PCH_CPT(dev) && port != PORT_A) {
+ } else if (HAS_PCH_CPT(dev_priv) && port != PORT_A) {
u32 trans_dp;
intel_dp->DP |= DP_LINK_TRAIN_OFF_CPT;
trans_dp &= ~TRANS_DP_ENH_FRAMING;
I915_WRITE(TRANS_DP_CTL(crtc->pipe), trans_dp);
} else {
- if (!HAS_PCH_SPLIT(dev) && !IS_VALLEYVIEW(dev) &&
- !IS_CHERRYVIEW(dev) && pipe_config->limited_color_range)
+ if (!HAS_PCH_SPLIT(dev_priv) && !IS_VALLEYVIEW(dev_priv) &&
+ !IS_CHERRYVIEW(dev_priv) &&
+ pipe_config->limited_color_range)
intel_dp->DP |= DP_COLOR_RANGE_16_235;
if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC)
if (drm_dp_enhanced_frame_cap(intel_dp->dpcd))
intel_dp->DP |= DP_ENHANCED_FRAMING;
- if (IS_CHERRYVIEW(dev))
+ if (IS_CHERRYVIEW(dev_priv))
intel_dp->DP |= DP_PIPE_SELECT_CHV(crtc->pipe);
else if (crtc->pipe == PIPE_B)
intel_dp->DP |= DP_PIPEB_SELECT;
pp_ctrl_reg = _pp_ctrl_reg(intel_dp);
pp = ironlake_get_pp_control(intel_dp);
- if (IS_GEN5(dev)) {
+ if (IS_GEN5(dev_priv)) {
/* ILK workaround: disable reset around power sequence */
pp &= ~PANEL_POWER_RESET;
I915_WRITE(pp_ctrl_reg, pp);
}
pp |= PANEL_POWER_ON;
- if (!IS_GEN5(dev))
+ if (!IS_GEN5(dev_priv))
pp |= PANEL_POWER_RESET;
I915_WRITE(pp_ctrl_reg, pp);
wait_panel_on(intel_dp);
intel_dp->last_power_on = jiffies;
- if (IS_GEN5(dev)) {
+ if (IS_GEN5(dev_priv)) {
pp |= PANEL_POWER_RESET; /* restore panel reset bit */
I915_WRITE(pp_ctrl_reg, pp);
POSTING_READ(pp_ctrl_reg);
* 2. Program DP PLL enable
*/
if (IS_GEN5(dev_priv))
- intel_wait_for_vblank_if_active(&dev_priv->drm, !crtc->pipe);
+ intel_wait_for_vblank_if_active(dev_priv, !crtc->pipe);
intel_dp->DP |= DP_PLL_ENABLE;
if (!(tmp & DP_PORT_EN))
goto out;
- if (IS_GEN7(dev) && port == PORT_A) {
+ if (IS_GEN7(dev_priv) && port == PORT_A) {
*pipe = PORT_TO_PIPE_CPT(tmp);
- } else if (HAS_PCH_CPT(dev) && port != PORT_A) {
+ } else if (HAS_PCH_CPT(dev_priv) && port != PORT_A) {
enum pipe p;
for_each_pipe(dev_priv, p) {
DRM_DEBUG_KMS("No pipe for dp port 0x%x found\n",
i915_mmio_reg_offset(intel_dp->output_reg));
- } else if (IS_CHERRYVIEW(dev)) {
+ } else if (IS_CHERRYVIEW(dev_priv)) {
*pipe = DP_PORT_TO_PIPE_CHV(tmp);
} else {
*pipe = PORT_TO_PIPE(tmp);
pipe_config->has_audio = tmp & DP_AUDIO_OUTPUT_ENABLE && port != PORT_A;
- if (HAS_PCH_CPT(dev) && port != PORT_A) {
+ if (HAS_PCH_CPT(dev_priv) && port != PORT_A) {
u32 trans_dp = I915_READ(TRANS_DP_CTL(crtc->pipe));
if (trans_dp & TRANS_DP_HSYNC_ACTIVE_HIGH)
pipe_config->base.adjusted_mode.flags |= flags;
- if (!HAS_PCH_SPLIT(dev) && !IS_VALLEYVIEW(dev) &&
- !IS_CHERRYVIEW(dev) && tmp & DP_COLOR_RANGE_16_235)
+ if (!HAS_PCH_SPLIT(dev_priv) && !IS_VALLEYVIEW(dev_priv) &&
+ !IS_CHERRYVIEW(dev_priv) && tmp & DP_COLOR_RANGE_16_235)
pipe_config->limited_color_range = true;
pipe_config->lane_count =
DRM_DEBUG_KMS("Using DP training pattern TPS%d\n",
dp_train_pat & DP_TRAINING_PATTERN_MASK);
- if (HAS_DDI(dev)) {
+ if (HAS_DDI(dev_priv)) {
uint32_t temp = I915_READ(DP_TP_CTL(port));
if (dp_train_pat & DP_LINK_SCRAMBLING_DISABLE)
}
I915_WRITE(DP_TP_CTL(port), temp);
- } else if ((IS_GEN7(dev) && port == PORT_A) ||
- (HAS_PCH_CPT(dev) && port != PORT_A)) {
+ } else if ((IS_GEN7(dev_priv) && port == PORT_A) ||
+ (HAS_PCH_CPT(dev_priv) && port != PORT_A)) {
*DP &= ~DP_LINK_TRAIN_MASK_CPT;
switch (dp_train_pat & DP_TRAINING_PATTERN_MASK) {
}
} else {
- if (IS_CHERRYVIEW(dev))
+ if (IS_CHERRYVIEW(dev_priv))
*DP &= ~DP_LINK_TRAIN_MASK_CHV;
else
*DP &= ~DP_LINK_TRAIN_MASK;
*DP |= DP_LINK_TRAIN_PAT_2;
break;
case DP_TRAINING_PATTERN_3:
- if (IS_CHERRYVIEW(dev)) {
+ if (IS_CHERRYVIEW(dev_priv)) {
*DP |= DP_LINK_TRAIN_PAT_3_CHV;
} else {
DRM_DEBUG_KMS("TPS3 not supported, using TPS2 instead\n");
pps_lock(intel_dp);
- if (IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev))
+ if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv))
vlv_init_panel_power_sequencer(intel_dp);
intel_dp_enable_port(intel_dp, pipe_config);
pps_unlock(intel_dp);
- if (IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev)) {
+ if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) {
unsigned int lane_mask = 0x0;
- if (IS_CHERRYVIEW(dev))
+ if (IS_CHERRYVIEW(dev_priv))
lane_mask = intel_dp_unused_lane_mask(pipe_config->lane_count);
vlv_wait_port_ready(dev_priv, dp_to_dig_port(intel_dp),
struct drm_i915_private *dev_priv = to_i915(dev);
enum port port = dp_to_dig_port(intel_dp)->port;
- if (IS_BROXTON(dev))
+ if (IS_BROXTON(dev_priv))
return DP_TRAIN_VOLTAGE_SWING_LEVEL_3;
else if (INTEL_INFO(dev)->gen >= 9) {
if (dev_priv->vbt.edp.low_vswing && port == PORT_A)
return DP_TRAIN_VOLTAGE_SWING_LEVEL_3;
return DP_TRAIN_VOLTAGE_SWING_LEVEL_2;
- } else if (IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev))
+ } else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv))
return DP_TRAIN_VOLTAGE_SWING_LEVEL_3;
- else if (IS_GEN7(dev) && port == PORT_A)
+ else if (IS_GEN7(dev_priv) && port == PORT_A)
return DP_TRAIN_VOLTAGE_SWING_LEVEL_2;
- else if (HAS_PCH_CPT(dev) && port != PORT_A)
+ else if (HAS_PCH_CPT(dev_priv) && port != PORT_A)
return DP_TRAIN_VOLTAGE_SWING_LEVEL_3;
else
return DP_TRAIN_VOLTAGE_SWING_LEVEL_2;
uint8_t
intel_dp_pre_emphasis_max(struct intel_dp *intel_dp, uint8_t voltage_swing)
{
- struct drm_device *dev = intel_dp_to_dev(intel_dp);
+ 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 (INTEL_INFO(dev)->gen >= 9) {
+ if (INTEL_GEN(dev_priv) >= 9) {
switch (voltage_swing & DP_TRAIN_VOLTAGE_SWING_MASK) {
case DP_TRAIN_VOLTAGE_SWING_LEVEL_0:
return DP_TRAIN_PRE_EMPH_LEVEL_3;
default:
return DP_TRAIN_PRE_EMPH_LEVEL_0;
}
- } else if (IS_HASWELL(dev) || IS_BROADWELL(dev)) {
+ } else if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv)) {
switch (voltage_swing & DP_TRAIN_VOLTAGE_SWING_MASK) {
case DP_TRAIN_VOLTAGE_SWING_LEVEL_0:
return DP_TRAIN_PRE_EMPH_LEVEL_3;
default:
return DP_TRAIN_PRE_EMPH_LEVEL_0;
}
- } else if (IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev)) {
+ } else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) {
switch (voltage_swing & DP_TRAIN_VOLTAGE_SWING_MASK) {
case DP_TRAIN_VOLTAGE_SWING_LEVEL_0:
return DP_TRAIN_PRE_EMPH_LEVEL_3;
default:
return DP_TRAIN_PRE_EMPH_LEVEL_0;
}
- } else if (IS_GEN7(dev) && port == PORT_A) {
+ } else if (IS_GEN7(dev_priv) && port == PORT_A) {
switch (voltage_swing & DP_TRAIN_VOLTAGE_SWING_MASK) {
case DP_TRAIN_VOLTAGE_SWING_LEVEL_0:
return DP_TRAIN_PRE_EMPH_LEVEL_2;
uint32_t signal_levels, mask = 0;
uint8_t train_set = intel_dp->train_set[0];
- if (HAS_DDI(dev)) {
+ if (HAS_DDI(dev_priv)) {
signal_levels = ddi_signal_levels(intel_dp);
- if (IS_BROXTON(dev))
+ if (IS_BROXTON(dev_priv))
signal_levels = 0;
else
mask = DDI_BUF_EMP_MASK;
- } else if (IS_CHERRYVIEW(dev)) {
+ } else if (IS_CHERRYVIEW(dev_priv)) {
signal_levels = chv_signal_levels(intel_dp);
- } else if (IS_VALLEYVIEW(dev)) {
+ } else if (IS_VALLEYVIEW(dev_priv)) {
signal_levels = vlv_signal_levels(intel_dp);
- } else if (IS_GEN7(dev) && port == PORT_A) {
+ } else if (IS_GEN7(dev_priv) && port == PORT_A) {
signal_levels = gen7_edp_signal_levels(train_set);
mask = EDP_LINK_TRAIN_VOL_EMP_MASK_IVB;
- } else if (IS_GEN6(dev) && port == PORT_A) {
+ } else if (IS_GEN6(dev_priv) && port == PORT_A) {
signal_levels = gen6_edp_signal_levels(train_set);
mask = EDP_LINK_TRAIN_VOL_EMP_MASK_SNB;
} else {
enum port port = intel_dig_port->port;
uint32_t val;
- if (!HAS_DDI(dev))
+ if (!HAS_DDI(dev_priv))
return;
val = I915_READ(DP_TP_CTL(port));
struct drm_i915_private *dev_priv = to_i915(dev);
uint32_t DP = intel_dp->DP;
- if (WARN_ON(HAS_DDI(dev)))
+ if (WARN_ON(HAS_DDI(dev_priv)))
return;
if (WARN_ON((I915_READ(intel_dp->output_reg) & DP_PORT_EN) == 0))
DRM_DEBUG_KMS("\n");
- if ((IS_GEN7(dev) && port == PORT_A) ||
- (HAS_PCH_CPT(dev) && port != PORT_A)) {
+ if ((IS_GEN7(dev_priv) && port == PORT_A) ||
+ (HAS_PCH_CPT(dev_priv) && port != PORT_A)) {
DP &= ~DP_LINK_TRAIN_MASK_CPT;
DP |= DP_LINK_TRAIN_PAT_IDLE_CPT;
} else {
- if (IS_CHERRYVIEW(dev))
+ if (IS_CHERRYVIEW(dev_priv))
DP &= ~DP_LINK_TRAIN_MASK_CHV;
else
DP &= ~DP_LINK_TRAIN_MASK;
* to transcoder A after disabling it to allow the
* matching HDMI port to be enabled on transcoder A.
*/
- if (HAS_PCH_IBX(dev) && crtc->pipe == PIPE_B && port != PORT_A) {
+ if (HAS_PCH_IBX(dev_priv) && crtc->pipe == PIPE_B && port != PORT_A) {
/*
* We get CPU/PCH FIFO underruns on the other pipe when
* doing the workaround. Sweep them under the rug.
I915_WRITE(intel_dp->output_reg, DP);
POSTING_READ(intel_dp->output_reg);
- intel_wait_for_vblank_if_active(&dev_priv->drm, PIPE_A);
+ intel_wait_for_vblank_if_active(dev_priv, PIPE_A);
intel_set_cpu_fifo_underrun_reporting(dev_priv, PIPE_A, true);
intel_set_pch_fifo_underrun_reporting(dev_priv, PIPE_A, true);
}
intel_dp->DP = DP;
}
-static bool
+bool
intel_dp_read_dpcd(struct intel_dp *intel_dp)
{
if (drm_dp_dpcd_read(&intel_dp->aux, 0x000, intel_dp->dpcd,
if (!intel_dp_read_dpcd(intel_dp))
return false;
+ intel_dp_read_desc(intel_dp);
+
if (intel_dp->dpcd[DP_DPCD_REV] >= 0x11)
dev_priv->no_aux_handshake = intel_dp->dpcd[DP_MAX_DOWNSPREAD] &
DP_NO_AUX_HANDSHAKE_LINK_TRAINING;
/* Read the eDP Display control capabilities registers */
if ((intel_dp->dpcd[DP_EDP_CONFIGURATION_CAP] & DP_DPCD_DISPLAY_CONTROL_CAPABLE) &&
drm_dp_dpcd_read(&intel_dp->aux, DP_EDP_DPCD_REV,
- intel_dp->edp_dpcd, sizeof(intel_dp->edp_dpcd) ==
- sizeof(intel_dp->edp_dpcd)))
+ intel_dp->edp_dpcd, sizeof(intel_dp->edp_dpcd)) ==
+ sizeof(intel_dp->edp_dpcd))
DRM_DEBUG_KMS("EDP DPCD : %*ph\n", (int) sizeof(intel_dp->edp_dpcd),
intel_dp->edp_dpcd);
if (!is_edp(intel_dp) && !intel_dp->sink_count)
return false;
- if (!(intel_dp->dpcd[DP_DOWNSTREAMPORT_PRESENT] &
- DP_DWN_STRM_PORT_PRESENT))
+ if (!drm_dp_is_branch(intel_dp->dpcd))
return true; /* native DP sink */
if (intel_dp->dpcd[DP_DPCD_REV] == 0x10)
return true;
}
-static void
-intel_dp_probe_oui(struct intel_dp *intel_dp)
-{
- u8 buf[3];
-
- if (!(intel_dp->dpcd[DP_DOWN_STREAM_PORT_COUNT] & DP_OUI_SUPPORT))
- return;
-
- if (drm_dp_dpcd_read(&intel_dp->aux, DP_SINK_OUI, buf, 3) == 3)
- DRM_DEBUG_KMS("Sink OUI: %02hx%02hx%02hx\n",
- buf[0], buf[1], buf[2]);
-
- if (drm_dp_dpcd_read(&intel_dp->aux, DP_BRANCH_OUI, buf, 3) == 3)
- DRM_DEBUG_KMS("Branch OUI: %02hx%02hx%02hx\n",
- buf[0], buf[1], buf[2]);
-}
-
static bool
intel_dp_can_mst(struct intel_dp *intel_dp)
{
static int intel_dp_sink_crc_stop(struct intel_dp *intel_dp)
{
struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
- struct drm_device *dev = dig_port->base.base.dev;
+ struct drm_i915_private *dev_priv = to_i915(dig_port->base.base.dev);
struct intel_crtc *intel_crtc = to_intel_crtc(dig_port->base.base.crtc);
u8 buf;
int ret = 0;
}
do {
- intel_wait_for_vblank(dev, intel_crtc->pipe);
+ intel_wait_for_vblank(dev_priv, intel_crtc->pipe);
if (drm_dp_dpcd_readb(&intel_dp->aux,
DP_TEST_SINK_MISC, &buf) < 0) {
static int intel_dp_sink_crc_start(struct intel_dp *intel_dp)
{
struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
- struct drm_device *dev = dig_port->base.base.dev;
+ struct drm_i915_private *dev_priv = to_i915(dig_port->base.base.dev);
struct intel_crtc *intel_crtc = to_intel_crtc(dig_port->base.base.crtc);
u8 buf;
int ret;
return -EIO;
}
- intel_wait_for_vblank(dev, intel_crtc->pipe);
+ intel_wait_for_vblank(dev_priv, intel_crtc->pipe);
return 0;
}
int intel_dp_sink_crc(struct intel_dp *intel_dp, u8 *crc)
{
struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
- struct drm_device *dev = dig_port->base.base.dev;
+ struct drm_i915_private *dev_priv = to_i915(dig_port->base.base.dev);
struct intel_crtc *intel_crtc = to_intel_crtc(dig_port->base.base.crtc);
u8 buf;
int count, ret;
return ret;
do {
- intel_wait_for_vblank(dev, intel_crtc->pipe);
+ intel_wait_for_vblank(dev_priv, intel_crtc->pipe);
if (drm_dp_dpcd_readb(&intel_dp->aux,
DP_TEST_SINK_MISC, &buf) < 0) {
return -EINVAL;
}
+static void
+intel_dp_retrain_link(struct intel_dp *intel_dp)
+{
+ struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base;
+ struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
+ struct intel_crtc *crtc = to_intel_crtc(encoder->base.crtc);
+
+ /* Suppress underruns caused by re-training */
+ intel_set_cpu_fifo_underrun_reporting(dev_priv, crtc->pipe, false);
+ if (crtc->config->has_pch_encoder)
+ intel_set_pch_fifo_underrun_reporting(dev_priv,
+ intel_crtc_pch_transcoder(crtc), false);
+
+ intel_dp_start_link_train(intel_dp);
+ intel_dp_stop_link_train(intel_dp);
+
+ /* Keep underrun reporting disabled until things are stable */
+ intel_wait_for_vblank(dev_priv, crtc->pipe);
+
+ intel_set_cpu_fifo_underrun_reporting(dev_priv, crtc->pipe, true);
+ if (crtc->config->has_pch_encoder)
+ intel_set_pch_fifo_underrun_reporting(dev_priv,
+ intel_crtc_pch_transcoder(crtc), true);
+}
+
static void
intel_dp_check_link_status(struct intel_dp *intel_dp)
{
if (!to_intel_crtc(intel_encoder->base.crtc)->active)
return;
+ /* FIXME: we need to synchronize this sort of stuff with hardware
+ * readout */
+ if (WARN_ON_ONCE(!intel_dp->lane_count))
+ return;
+
/* if link training is requested we should perform it always */
if ((intel_dp->compliance_test_type == DP_TEST_LINK_TRAINING) ||
(!drm_dp_channel_eq_ok(link_status, intel_dp->lane_count))) {
DRM_DEBUG_KMS("%s: channel EQ not ok, retraining\n",
intel_encoder->base.name);
- intel_dp_start_link_train(intel_dp);
- intel_dp_stop_link_train(intel_dp);
+
+ intel_dp_retrain_link(intel_dp);
}
}
return connector_status_connected;
/* if there's no downstream port, we're done */
- if (!(dpcd[DP_DOWNSTREAMPORT_PRESENT] & DP_DWN_STRM_PORT_PRESENT))
+ if (!drm_dp_is_branch(dpcd))
return connector_status_connected;
/* If we're HPD-aware, SINK_COUNT changes dynamically */
intel_dp_print_rates(intel_dp);
- intel_dp_probe_oui(intel_dp);
-
- intel_dp_print_hw_revision(intel_dp);
- intel_dp_print_sw_revision(intel_dp);
+ intel_dp_read_desc(intel_dp);
intel_dp_configure_mst(intel_dp);
intel_dp_detect(struct drm_connector *connector, bool force)
{
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;
enum drm_connector_status status = connector->status;
DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
connector->base.id, connector->name);
- if (intel_dp->is_mst) {
- /* MST devices are disconnected from a monitor POV */
- intel_dp_unset_edid(intel_dp);
- if (intel_encoder->type != INTEL_OUTPUT_EDP)
- intel_encoder->type = INTEL_OUTPUT_DP;
- return connector_status_disconnected;
- }
-
/* If full detect is not performed yet, do a full detect */
if (!intel_dp->detect_done)
status = intel_dp_long_pulse(intel_dp->attached_connector);
void intel_dp_encoder_reset(struct drm_encoder *encoder)
{
struct drm_i915_private *dev_priv = to_i915(encoder->dev);
- struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
+ struct intel_digital_port *intel_dig_port = enc_to_dig_port(encoder);
+ struct intel_lspcon *lspcon = &intel_dig_port->lspcon;
+ struct intel_dp *intel_dp = &intel_dig_port->dp;
if (!HAS_DDI(dev_priv))
intel_dp->DP = I915_READ(intel_dp->output_reg);
+ if (IS_GEN9(dev_priv) && lspcon->active)
+ lspcon_resume(lspcon);
+
if (to_intel_encoder(encoder)->type != INTEL_OUTPUT_EDP)
return;
(seq->t10 << PANEL_POWER_DOWN_DELAY_SHIFT);
/* Compute the divisor for the pp clock, simply match the Bspec
* formula. */
- if (IS_BROXTON(dev)) {
+ if (IS_BROXTON(dev_priv)) {
pp_div = I915_READ(regs.pp_ctrl);
pp_div &= ~BXT_POWER_CYCLE_DELAY_MASK;
pp_div |= (DIV_ROUND_UP((seq->t11_t12 + 1), 1000)
/* Haswell doesn't have any port selection bits for the panel
* power sequencer any more. */
- if (IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev)) {
+ if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) {
port_sel = PANEL_PORT_SELECT_VLV(port);
- } else if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)) {
+ } else if (HAS_PCH_IBX(dev_priv) || HAS_PCH_CPT(dev_priv)) {
if (port == PORT_A)
port_sel = PANEL_PORT_SELECT_DPA;
else
I915_WRITE(regs.pp_on, pp_on);
I915_WRITE(regs.pp_off, pp_off);
- if (IS_BROXTON(dev))
+ if (IS_BROXTON(dev_priv))
I915_WRITE(regs.pp_ctrl, pp_div);
else
I915_WRITE(regs.pp_div, pp_div);
DRM_DEBUG_KMS("panel power sequencer register settings: PP_ON %#x, PP_OFF %#x, PP_DIV %#x\n",
I915_READ(regs.pp_on),
I915_READ(regs.pp_off),
- IS_BROXTON(dev) ?
+ IS_BROXTON(dev_priv) ?
(I915_READ(regs.pp_ctrl) & BXT_POWER_CYCLE_DELAY_MASK) :
I915_READ(regs.pp_div));
}
static void intel_dp_pps_init(struct drm_device *dev,
struct intel_dp *intel_dp)
{
- if (IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev)) {
+ struct drm_i915_private *dev_priv = to_i915(dev);
+
+ if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) {
vlv_initial_power_sequencer_setup(intel_dp);
} else {
intel_dp_init_panel_power_sequencer(dev, intel_dp);
}
mutex_unlock(&dev->mode_config.mutex);
- if (IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev)) {
+ if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) {
intel_dp->edp_notifier.notifier_call = edp_notify_handler;
register_reboot_notifier(&intel_dp->edp_notifier);
* If the current pipe isn't valid, try the PPS pipe, and if that
* fails just assume pipe A.
*/
- if (IS_CHERRYVIEW(dev))
+ if (IS_CHERRYVIEW(dev_priv))
pipe = DP_PORT_TO_PIPE_CHV(intel_dp->DP);
else
pipe = PORT_TO_PIPE(intel_dp->DP);
/* intel_dp vfuncs */
if (INTEL_INFO(dev)->gen >= 9)
intel_dp->get_aux_clock_divider = skl_get_aux_clock_divider;
- else if (IS_HASWELL(dev) || IS_BROADWELL(dev))
+ else if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv))
intel_dp->get_aux_clock_divider = hsw_get_aux_clock_divider;
- else if (HAS_PCH_SPLIT(dev))
+ else if (HAS_PCH_SPLIT(dev_priv))
intel_dp->get_aux_clock_divider = ilk_get_aux_clock_divider;
else
intel_dp->get_aux_clock_divider = g4x_get_aux_clock_divider;
else
intel_dp->get_aux_send_ctl = g4x_get_aux_send_ctl;
- if (HAS_DDI(dev))
+ if (HAS_DDI(dev_priv))
intel_dp->prepare_link_retrain = intel_ddi_prepare_link_retrain;
/* Preserve the current hw state. */
intel_encoder->type = INTEL_OUTPUT_EDP;
/* eDP only on port B and/or C on vlv/chv */
- if (WARN_ON((IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev)) &&
+ if (WARN_ON((IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) &&
is_edp(intel_dp) && port != PORT_B && port != PORT_C))
return false;
intel_connector_attach_encoder(intel_connector, intel_encoder);
- if (HAS_DDI(dev))
+ if (HAS_DDI(dev_priv))
intel_connector->get_hw_state = intel_ddi_connector_get_hw_state;
else
intel_connector->get_hw_state = intel_connector_get_hw_state;
break;
case PORT_B:
intel_encoder->hpd_pin = HPD_PORT_B;
- if (IS_BXT_REVID(dev, 0, BXT_REVID_A1))
+ if (IS_BXT_REVID(dev_priv, 0, BXT_REVID_A1))
intel_encoder->hpd_pin = HPD_PORT_A;
break;
case PORT_C:
* 0xd. Failure to do so will result in spurious interrupts being
* generated on the port when a cable is not attached.
*/
- if (IS_G4X(dev) && !IS_GM45(dev)) {
+ if (IS_G4X(dev_priv) && !IS_GM45(dev_priv)) {
u32 temp = I915_READ(PEG_BAND_GAP_DATA);
I915_WRITE(PEG_BAND_GAP_DATA, (temp & ~0xf) | 0xd);
}
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;
- if (IS_CHERRYVIEW(dev)) {
+ if (IS_CHERRYVIEW(dev_priv)) {
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->post_disable = chv_post_disable_dp;
intel_encoder->post_pll_disable = chv_dp_post_pll_disable;
- } else if (IS_VALLEYVIEW(dev)) {
+ } 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_dig_port->max_lanes = 4;
intel_encoder->type = INTEL_OUTPUT_DP;
- if (IS_CHERRYVIEW(dev)) {
+ if (IS_CHERRYVIEW(dev_priv)) {
if (port == PORT_D)
intel_encoder->crtc_mask = 1 << 2;
else
intel_encoder->crtc_mask = (1 << 0) | (1 << 1) | (1 << 2);
}
intel_encoder->cloneable = 0;
+ intel_encoder->port = port;
intel_dig_port->hpd_pulse = intel_dp_hpd_pulse;
dev_priv->hotplug.irq_port[port] = intel_dig_port;
projects / mirror_ubuntu-bionic-kernel.git / blobdiff