static const struct ddi_buf_trans skl_u_ddi_translations_dp[] = {
{ 0x0000201B, 0x000000A2, 0x0 },
{ 0x00005012, 0x00000088, 0x0 },
- { 0x80007011, 0x000000CD, 0x0 },
+ { 0x80007011, 0x000000CD, 0x1 },
{ 0x80009010, 0x000000C0, 0x1 },
{ 0x0000201B, 0x0000009D, 0x0 },
{ 0x80005012, 0x000000C0, 0x1 },
static const struct ddi_buf_trans skl_y_ddi_translations_dp[] = {
{ 0x00000018, 0x000000A2, 0x0 },
{ 0x00005012, 0x00000088, 0x0 },
- { 0x80007011, 0x000000CD, 0x0 },
+ { 0x80007011, 0x000000CD, 0x3 },
{ 0x80009010, 0x000000C0, 0x3 },
{ 0x00000018, 0x0000009D, 0x0 },
{ 0x80005012, 0x000000C0, 0x3 },
default:
WARN(1, "Invalid DDI encoder type %d\n", intel_encoder->type);
/* fallthrough and treat as unknown */
- case INTEL_OUTPUT_DISPLAYPORT:
+ case INTEL_OUTPUT_DP:
case INTEL_OUTPUT_EDP:
case INTEL_OUTPUT_HDMI:
case INTEL_OUTPUT_UNKNOWN:
}
}
+static int intel_ddi_hdmi_level(struct drm_i915_private *dev_priv, enum port port)
+{
+ int n_hdmi_entries;
+ int hdmi_level;
+ int hdmi_default_entry;
+
+ hdmi_level = dev_priv->vbt.ddi_port_info[port].hdmi_level_shift;
+
+ if (IS_BROXTON(dev_priv))
+ return hdmi_level;
+
+ if (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv)) {
+ skl_get_buf_trans_hdmi(dev_priv, &n_hdmi_entries);
+ hdmi_default_entry = 8;
+ } else if (IS_BROADWELL(dev_priv)) {
+ n_hdmi_entries = ARRAY_SIZE(bdw_ddi_translations_hdmi);
+ hdmi_default_entry = 7;
+ } else if (IS_HASWELL(dev_priv)) {
+ n_hdmi_entries = ARRAY_SIZE(hsw_ddi_translations_hdmi);
+ hdmi_default_entry = 6;
+ } else {
+ WARN(1, "ddi translation table missing\n");
+ n_hdmi_entries = ARRAY_SIZE(bdw_ddi_translations_hdmi);
+ hdmi_default_entry = 7;
+ }
+
+ /* Choose a good default if VBT is badly populated */
+ if (hdmi_level == HDMI_LEVEL_SHIFT_UNKNOWN ||
+ hdmi_level >= n_hdmi_entries)
+ hdmi_level = hdmi_default_entry;
+
+ return hdmi_level;
+}
+
/*
* Starting with Haswell, DDI port buffers must be programmed with correct
* values in advance. The buffer values are different for FDI and DP modes,
{
struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
u32 iboost_bit = 0;
- int i, n_hdmi_entries, n_dp_entries, n_edp_entries, hdmi_default_entry,
+ int i, n_hdmi_entries, n_dp_entries, n_edp_entries,
size;
int hdmi_level;
enum port port;
const struct ddi_buf_trans *ddi_translations;
port = intel_ddi_get_encoder_port(encoder);
- hdmi_level = dev_priv->vbt.ddi_port_info[port].hdmi_level_shift;
+ hdmi_level = intel_ddi_hdmi_level(dev_priv, port);
if (IS_BROXTON(dev_priv)) {
if (encoder->type != INTEL_OUTPUT_HDMI)
skl_get_buf_trans_edp(dev_priv, &n_edp_entries);
ddi_translations_hdmi =
skl_get_buf_trans_hdmi(dev_priv, &n_hdmi_entries);
- hdmi_default_entry = 8;
/* If we're boosting the current, set bit 31 of trans1 */
if (dev_priv->vbt.ddi_port_info[port].hdmi_boost_level ||
dev_priv->vbt.ddi_port_info[port].dp_boost_level)
n_dp_entries = ARRAY_SIZE(bdw_ddi_translations_dp);
n_hdmi_entries = ARRAY_SIZE(bdw_ddi_translations_hdmi);
- hdmi_default_entry = 7;
} else if (IS_HASWELL(dev_priv)) {
ddi_translations_fdi = hsw_ddi_translations_fdi;
ddi_translations_dp = hsw_ddi_translations_dp;
ddi_translations_hdmi = hsw_ddi_translations_hdmi;
n_dp_entries = n_edp_entries = ARRAY_SIZE(hsw_ddi_translations_dp);
n_hdmi_entries = ARRAY_SIZE(hsw_ddi_translations_hdmi);
- hdmi_default_entry = 6;
} else {
WARN(1, "ddi translation table missing\n");
ddi_translations_edp = bdw_ddi_translations_dp;
n_edp_entries = ARRAY_SIZE(bdw_ddi_translations_edp);
n_dp_entries = ARRAY_SIZE(bdw_ddi_translations_dp);
n_hdmi_entries = ARRAY_SIZE(bdw_ddi_translations_hdmi);
- hdmi_default_entry = 7;
}
switch (encoder->type) {
ddi_translations = ddi_translations_edp;
size = n_edp_entries;
break;
- case INTEL_OUTPUT_DISPLAYPORT:
+ case INTEL_OUTPUT_DP:
case INTEL_OUTPUT_HDMI:
ddi_translations = ddi_translations_dp;
size = n_dp_entries;
if (encoder->type != INTEL_OUTPUT_HDMI)
return;
- /* Choose a good default if VBT is badly populated */
- if (hdmi_level == HDMI_LEVEL_SHIFT_UNKNOWN ||
- hdmi_level >= n_hdmi_entries)
- hdmi_level = hdmi_default_entry;
-
/* Entry 9 is for HDMI: */
I915_WRITE(DDI_BUF_TRANS_LO(port, i),
ddi_translations_hdmi[hdmi_level].trans1 | iboost_bit);
void hsw_fdi_link_train(struct drm_crtc *crtc)
{
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);
struct intel_encoder *encoder;
u32 temp, i, rx_ctl_val;
if (pipe_config->has_pch_encoder)
dotclock = intel_dotclock_calculate(pipe_config->port_clock,
&pipe_config->fdi_m_n);
- else if (pipe_config->has_dp_encoder)
+ else if (intel_crtc_has_dp_encoder(pipe_config))
dotclock = intel_dotclock_calculate(pipe_config->port_clock,
&pipe_config->dp_m_n);
else if (pipe_config->has_hdmi_sink && pipe_config->pipe_bpp == 36)
static void skl_ddi_clock_get(struct intel_encoder *encoder,
struct intel_crtc_state *pipe_config)
{
- struct drm_i915_private *dev_priv = encoder->base.dev->dev_private;
+ struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
int link_clock = 0;
uint32_t dpll_ctl1, dpll;
static void hsw_ddi_clock_get(struct intel_encoder *encoder,
struct intel_crtc_state *pipe_config)
{
- struct drm_i915_private *dev_priv = encoder->base.dev->dev_private;
+ struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
int link_clock = 0;
u32 val, pll;
{
struct intel_shared_dpll *pll;
struct intel_dpll_hw_state *state;
- intel_clock_t clock;
+ struct dpll clock;
/* For DDI ports we always use a shared PLL. */
if (WARN_ON(dpll == DPLL_ID_PRIVATE))
static void bxt_ddi_clock_get(struct intel_encoder *encoder,
struct intel_crtc_state *pipe_config)
{
- struct drm_i915_private *dev_priv = encoder->base.dev->dev_private;
+ struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
enum port port = intel_ddi_get_encoder_port(encoder);
uint32_t dpll = port;
void intel_ddi_set_pipe_settings(struct drm_crtc *crtc)
{
- struct drm_i915_private *dev_priv = crtc->dev->dev_private;
+ struct drm_i915_private *dev_priv = to_i915(crtc->dev);
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
struct intel_encoder *intel_encoder = intel_ddi_get_crtc_encoder(crtc);
enum transcoder cpu_transcoder = intel_crtc->config->cpu_transcoder;
int type = intel_encoder->type;
uint32_t temp;
- if (type == INTEL_OUTPUT_DISPLAYPORT || type == INTEL_OUTPUT_EDP || type == INTEL_OUTPUT_DP_MST) {
+ if (type == INTEL_OUTPUT_DP || type == INTEL_OUTPUT_EDP || type == INTEL_OUTPUT_DP_MST) {
WARN_ON(transcoder_is_dsi(cpu_transcoder));
temp = TRANS_MSA_SYNC_CLK;
{
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
struct drm_device *dev = crtc->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = to_i915(dev);
enum transcoder cpu_transcoder = intel_crtc->config->cpu_transcoder;
uint32_t temp;
temp = I915_READ(TRANS_DDI_FUNC_CTL(cpu_transcoder));
struct intel_encoder *intel_encoder = intel_ddi_get_crtc_encoder(crtc);
struct drm_encoder *encoder = &intel_encoder->base;
struct drm_device *dev = crtc->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = to_i915(dev);
enum pipe pipe = intel_crtc->pipe;
enum transcoder cpu_transcoder = intel_crtc->config->cpu_transcoder;
enum port port = intel_ddi_get_encoder_port(intel_encoder);
temp |= TRANS_DDI_MODE_SELECT_FDI;
temp |= (intel_crtc->config->fdi_lanes - 1) << 1;
- } else if (type == INTEL_OUTPUT_DISPLAYPORT ||
+ } else if (type == INTEL_OUTPUT_DP ||
type == INTEL_OUTPUT_EDP) {
struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
bool intel_ddi_connector_get_hw_state(struct intel_connector *intel_connector)
{
struct drm_device *dev = intel_connector->base.dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = to_i915(dev);
struct intel_encoder *intel_encoder = intel_connector->encoder;
int type = intel_connector->base.connector_type;
enum port port = intel_ddi_get_encoder_port(intel_encoder);
enum pipe *pipe)
{
struct drm_device *dev = encoder->base.dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = to_i915(dev);
enum port port = intel_ddi_get_encoder_port(encoder);
enum intel_display_power_domain power_domain;
u32 tmp;
DRM_DEBUG_KMS("No pipe for ddi port %c found\n", port_name(port));
out:
+ if (ret && IS_BROXTON(dev_priv)) {
+ tmp = I915_READ(BXT_PHY_CTL(port));
+ if ((tmp & (BXT_PHY_LANE_POWERDOWN_ACK |
+ BXT_PHY_LANE_ENABLED)) != BXT_PHY_LANE_ENABLED)
+ DRM_ERROR("Port %c enabled but PHY powered down? "
+ "(PHY_CTL %08x)\n", port_name(port), tmp);
+ }
+
intel_display_power_put(dev_priv, power_domain);
return ret;
{
struct drm_crtc *crtc = &intel_crtc->base;
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_encoder *intel_encoder = intel_ddi_get_crtc_encoder(crtc);
enum port port = intel_ddi_get_encoder_port(intel_encoder);
enum transcoder cpu_transcoder = intel_crtc->config->cpu_transcoder;
void intel_ddi_disable_pipe_clock(struct intel_crtc *intel_crtc)
{
- struct drm_i915_private *dev_priv = intel_crtc->base.dev->dev_private;
+ struct drm_i915_private *dev_priv = to_i915(intel_crtc->base.dev);
enum transcoder cpu_transcoder = intel_crtc->config->cpu_transcoder;
if (cpu_transcoder != TRANSCODER_EDP)
TRANS_CLK_SEL_DISABLED);
}
-static void skl_ddi_set_iboost(struct drm_i915_private *dev_priv,
- u32 level, enum port port, int type)
+static void _skl_ddi_set_iboost(struct drm_i915_private *dev_priv,
+ enum port port, uint8_t iboost)
{
+ u32 tmp;
+
+ tmp = I915_READ(DISPIO_CR_TX_BMU_CR0);
+ tmp &= ~(BALANCE_LEG_MASK(port) | BALANCE_LEG_DISABLE(port));
+ if (iboost)
+ tmp |= iboost << BALANCE_LEG_SHIFT(port);
+ else
+ tmp |= BALANCE_LEG_DISABLE(port);
+ I915_WRITE(DISPIO_CR_TX_BMU_CR0, tmp);
+}
+
+static void skl_ddi_set_iboost(struct intel_encoder *encoder, u32 level)
+{
+ struct intel_digital_port *intel_dig_port = enc_to_dig_port(&encoder->base);
+ struct drm_i915_private *dev_priv = to_i915(intel_dig_port->base.base.dev);
+ enum port port = intel_dig_port->port;
+ int type = encoder->type;
const struct ddi_buf_trans *ddi_translations;
uint8_t iboost;
uint8_t dp_iboost, hdmi_iboost;
int n_entries;
- u32 reg;
/* VBT may override standard boost values */
dp_iboost = dev_priv->vbt.ddi_port_info[port].dp_boost_level;
hdmi_iboost = dev_priv->vbt.ddi_port_info[port].hdmi_boost_level;
- if (type == INTEL_OUTPUT_DISPLAYPORT) {
+ if (type == INTEL_OUTPUT_DP) {
if (dp_iboost) {
iboost = dp_iboost;
} else {
return;
}
- reg = I915_READ(DISPIO_CR_TX_BMU_CR0);
- reg &= ~BALANCE_LEG_MASK(port);
- reg &= ~(1 << (BALANCE_LEG_DISABLE_SHIFT + port));
+ _skl_ddi_set_iboost(dev_priv, port, iboost);
- if (iboost)
- reg |= iboost << BALANCE_LEG_SHIFT(port);
- else
- reg |= 1 << (BALANCE_LEG_DISABLE_SHIFT + port);
-
- I915_WRITE(DISPIO_CR_TX_BMU_CR0, reg);
+ if (port == PORT_A && intel_dig_port->max_lanes == 4)
+ _skl_ddi_set_iboost(dev_priv, PORT_E, iboost);
}
static void bxt_ddi_vswing_sequence(struct drm_i915_private *dev_priv,
if (type == INTEL_OUTPUT_EDP && dev_priv->vbt.edp.low_vswing) {
n_entries = ARRAY_SIZE(bxt_ddi_translations_edp);
ddi_translations = bxt_ddi_translations_edp;
- } else if (type == INTEL_OUTPUT_DISPLAYPORT
+ } else if (type == INTEL_OUTPUT_DP
|| type == INTEL_OUTPUT_EDP) {
n_entries = ARRAY_SIZE(bxt_ddi_translations_dp);
ddi_translations = bxt_ddi_translations_dp;
level = translate_signal_level(signal_levels);
if (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv))
- skl_ddi_set_iboost(dev_priv, level, port, encoder->type);
+ skl_ddi_set_iboost(encoder, level);
else if (IS_BROXTON(dev_priv))
bxt_ddi_vswing_sequence(dev_priv, level, port, encoder->type);
intel_ddi_clk_select(intel_encoder, crtc->config);
- if (type == INTEL_OUTPUT_DISPLAYPORT || type == INTEL_OUTPUT_EDP) {
+ if (type == INTEL_OUTPUT_DP || type == INTEL_OUTPUT_EDP) {
struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
intel_dp_set_link_params(intel_dp, crtc->config);
intel_dp_stop_link_train(intel_dp);
} else if (type == INTEL_OUTPUT_HDMI) {
struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder);
+ int level = intel_ddi_hdmi_level(dev_priv, port);
+
+ if (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv))
+ skl_ddi_set_iboost(intel_encoder, level);
intel_hdmi->set_infoframes(encoder,
crtc->config->has_hdmi_sink,
{
struct drm_encoder *encoder = &intel_encoder->base;
struct drm_device *dev = encoder->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = to_i915(dev);
enum port port = intel_ddi_get_encoder_port(intel_encoder);
int type = intel_encoder->type;
uint32_t val;
if (wait)
intel_wait_ddi_buf_idle(dev_priv, port);
- if (type == INTEL_OUTPUT_DISPLAYPORT || type == INTEL_OUTPUT_EDP) {
+ if (type == INTEL_OUTPUT_DP || type == INTEL_OUTPUT_EDP) {
struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
intel_dp_sink_dpms(intel_dp, DRM_MODE_DPMS_OFF);
intel_edp_panel_vdd_on(intel_dp);
struct drm_crtc *crtc = encoder->crtc;
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
struct drm_device *dev = encoder->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = to_i915(dev);
enum port port = intel_ddi_get_encoder_port(intel_encoder);
int type = intel_encoder->type;
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
int type = intel_encoder->type;
struct drm_device *dev = encoder->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = to_i915(dev);
if (intel_crtc->config->has_audio) {
intel_audio_codec_disable(intel_encoder);
}
}
-static bool broxton_phy_is_enabled(struct drm_i915_private *dev_priv,
- enum dpio_phy phy)
+bool bxt_ddi_phy_is_enabled(struct drm_i915_private *dev_priv,
+ enum dpio_phy phy)
{
+ enum port port;
+
if (!(I915_READ(BXT_P_CR_GT_DISP_PWRON) & GT_DISPLAY_POWER_ON(phy)))
return false;
return false;
}
+ for_each_port_masked(port,
+ phy == DPIO_PHY0 ? BIT(PORT_B) | BIT(PORT_C) :
+ BIT(PORT_A)) {
+ u32 tmp = I915_READ(BXT_PHY_CTL(port));
+
+ if (tmp & BXT_PHY_CMNLANE_POWERDOWN_ACK) {
+ DRM_DEBUG_DRIVER("DDI PHY %d powered, but common lane "
+ "for port %c powered down "
+ "(PHY_CTL %08x)\n",
+ phy, port_name(port), tmp);
+
+ return false;
+ }
+ }
+
return true;
}
-static u32 broxton_get_grc(struct drm_i915_private *dev_priv, enum dpio_phy phy)
+static u32 bxt_get_grc(struct drm_i915_private *dev_priv, enum dpio_phy phy)
{
u32 val = I915_READ(BXT_PORT_REF_DW6(phy));
return (val & GRC_CODE_MASK) >> GRC_CODE_SHIFT;
}
-static void broxton_phy_wait_grc_done(struct drm_i915_private *dev_priv,
- enum dpio_phy phy)
+static void bxt_phy_wait_grc_done(struct drm_i915_private *dev_priv,
+ enum dpio_phy phy)
{
- if (wait_for(I915_READ(BXT_PORT_REF_DW3(phy)) & GRC_DONE, 10))
+ if (intel_wait_for_register(dev_priv,
+ BXT_PORT_REF_DW3(phy),
+ GRC_DONE, GRC_DONE,
+ 10))
DRM_ERROR("timeout waiting for PHY%d GRC\n", phy);
}
-static bool broxton_phy_verify_state(struct drm_i915_private *dev_priv,
- enum dpio_phy phy);
-
-static void broxton_phy_init(struct drm_i915_private *dev_priv,
- enum dpio_phy phy)
+void bxt_ddi_phy_init(struct drm_i915_private *dev_priv, enum dpio_phy phy)
{
- enum port port;
- u32 ports, val;
+ u32 val;
- if (broxton_phy_is_enabled(dev_priv, phy)) {
+ if (bxt_ddi_phy_is_enabled(dev_priv, phy)) {
/* Still read out the GRC value for state verification */
if (phy == DPIO_PHY0)
- dev_priv->bxt_phy_grc = broxton_get_grc(dev_priv, phy);
+ dev_priv->bxt_phy_grc = bxt_get_grc(dev_priv, phy);
- if (broxton_phy_verify_state(dev_priv, phy)) {
+ if (bxt_ddi_phy_verify_state(dev_priv, phy)) {
DRM_DEBUG_DRIVER("DDI PHY %d already enabled, "
"won't reprogram it\n", phy);
DRM_DEBUG_DRIVER("DDI PHY %d enabled with invalid state, "
"force reprogramming it\n", phy);
- } else {
- DRM_DEBUG_DRIVER("DDI PHY %d not enabled, enabling it\n", phy);
}
val = I915_READ(BXT_P_CR_GT_DISP_PWRON);
DRM_ERROR("timeout during PHY%d power on\n", phy);
}
- if (phy == DPIO_PHY0)
- ports = BIT(PORT_B) | BIT(PORT_C);
- else
- ports = BIT(PORT_A);
-
- for_each_port_masked(port, ports) {
- int lane;
-
- for (lane = 0; lane < 4; lane++) {
- val = I915_READ(BXT_PORT_TX_DW14_LN(port, lane));
- /*
- * Note that on CHV this flag is called UPAR, but has
- * the same function.
- */
- val &= ~LATENCY_OPTIM;
- if (lane != 1)
- val |= LATENCY_OPTIM;
-
- I915_WRITE(BXT_PORT_TX_DW14_LN(port, lane), val);
- }
- }
-
/* Program PLL Rcomp code offset */
val = I915_READ(BXT_PORT_CL1CM_DW9(phy));
val &= ~IREF0RC_OFFSET_MASK;
* the corresponding calibrated value from PHY1, and disable
* the automatic calibration on PHY0.
*/
- broxton_phy_wait_grc_done(dev_priv, DPIO_PHY1);
-
- val = dev_priv->bxt_phy_grc = broxton_get_grc(dev_priv,
- DPIO_PHY1);
+ val = dev_priv->bxt_phy_grc = bxt_get_grc(dev_priv, DPIO_PHY1);
grc_code = val << GRC_CODE_FAST_SHIFT |
val << GRC_CODE_SLOW_SHIFT |
val;
val |= GRC_DIS | GRC_RDY_OVRD;
I915_WRITE(BXT_PORT_REF_DW8(DPIO_PHY0), val);
}
- /*
- * During PHY1 init delay waiting for GRC calibration to finish, since
- * it can happen in parallel with the subsequent PHY0 init.
- */
val = I915_READ(BXT_PHY_CTL_FAMILY(phy));
val |= COMMON_RESET_DIS;
I915_WRITE(BXT_PHY_CTL_FAMILY(phy), val);
-}
-
-void broxton_ddi_phy_init(struct drm_i915_private *dev_priv)
-{
- /* Enable PHY1 first since it provides Rcomp for PHY0 */
- broxton_phy_init(dev_priv, DPIO_PHY1);
- broxton_phy_init(dev_priv, DPIO_PHY0);
- /*
- * If BIOS enabled only PHY0 and not PHY1, we skipped waiting for the
- * PHY1 GRC calibration to finish, so wait for it here.
- */
- broxton_phy_wait_grc_done(dev_priv, DPIO_PHY1);
+ if (phy == DPIO_PHY1)
+ bxt_phy_wait_grc_done(dev_priv, DPIO_PHY1);
}
-static void broxton_phy_uninit(struct drm_i915_private *dev_priv,
- enum dpio_phy phy)
+void bxt_ddi_phy_uninit(struct drm_i915_private *dev_priv, enum dpio_phy phy)
{
uint32_t val;
I915_WRITE(BXT_P_CR_GT_DISP_PWRON, val);
}
-void broxton_ddi_phy_uninit(struct drm_i915_private *dev_priv)
-{
- broxton_phy_uninit(dev_priv, DPIO_PHY1);
- broxton_phy_uninit(dev_priv, DPIO_PHY0);
-}
-
static bool __printf(6, 7)
__phy_reg_verify_state(struct drm_i915_private *dev_priv, enum dpio_phy phy,
i915_reg_t reg, u32 mask, u32 expected,
return false;
}
-static bool broxton_phy_verify_state(struct drm_i915_private *dev_priv,
- enum dpio_phy phy)
+bool bxt_ddi_phy_verify_state(struct drm_i915_private *dev_priv,
+ enum dpio_phy phy)
{
- enum port port;
- u32 ports;
uint32_t mask;
bool ok;
__phy_reg_verify_state(dev_priv, phy, reg, mask, exp, fmt, \
## __VA_ARGS__)
- /* We expect the PHY to be always enabled */
- if (!broxton_phy_is_enabled(dev_priv, phy))
+ if (!bxt_ddi_phy_is_enabled(dev_priv, phy))
return false;
ok = true;
- if (phy == DPIO_PHY0)
- ports = BIT(PORT_B) | BIT(PORT_C);
- else
- ports = BIT(PORT_A);
-
- for_each_port_masked(port, ports) {
- int lane;
-
- for (lane = 0; lane < 4; lane++)
- ok &= _CHK(BXT_PORT_TX_DW14_LN(port, lane),
- LATENCY_OPTIM,
- lane != 1 ? LATENCY_OPTIM : 0,
- "BXT_PORT_TX_DW14_LN(%d, %d)", port, lane);
- }
-
/* PLL Rcomp code offset */
ok &= _CHK(BXT_PORT_CL1CM_DW9(phy),
IREF0RC_OFFSET_MASK, 0xe4 << IREF0RC_OFFSET_SHIFT,
#undef _CHK
}
-void broxton_ddi_phy_verify_state(struct drm_i915_private *dev_priv)
+static uint8_t
+bxt_ddi_phy_calc_lane_lat_optim_mask(struct intel_encoder *encoder,
+ struct intel_crtc_state *pipe_config)
+{
+ switch (pipe_config->lane_count) {
+ case 1:
+ return 0;
+ case 2:
+ return BIT(2) | BIT(0);
+ case 4:
+ return BIT(3) | BIT(2) | BIT(0);
+ default:
+ MISSING_CASE(pipe_config->lane_count);
+
+ return 0;
+ }
+}
+
+static void bxt_ddi_pre_pll_enable(struct intel_encoder *encoder)
{
- if (!broxton_phy_verify_state(dev_priv, DPIO_PHY0) ||
- !broxton_phy_verify_state(dev_priv, DPIO_PHY1))
- i915_report_error(dev_priv, "DDI PHY state mismatch\n");
+ struct intel_digital_port *dport = enc_to_dig_port(&encoder->base);
+ struct drm_i915_private *dev_priv = to_i915(dport->base.base.dev);
+ enum port port = dport->port;
+ struct intel_crtc *intel_crtc = to_intel_crtc(encoder->base.crtc);
+ int lane;
+
+ for (lane = 0; lane < 4; lane++) {
+ u32 val = I915_READ(BXT_PORT_TX_DW14_LN(port, lane));
+
+ /*
+ * Note that on CHV this flag is called UPAR, but has
+ * the same function.
+ */
+ val &= ~LATENCY_OPTIM;
+ if (intel_crtc->config->lane_lat_optim_mask & BIT(lane))
+ val |= LATENCY_OPTIM;
+
+ I915_WRITE(BXT_PORT_TX_DW14_LN(port, lane), val);
+ }
+}
+
+static uint8_t
+bxt_ddi_phy_get_lane_lat_optim_mask(struct intel_encoder *encoder)
+{
+ struct intel_digital_port *dport = enc_to_dig_port(&encoder->base);
+ struct drm_i915_private *dev_priv = to_i915(dport->base.base.dev);
+ enum port port = dport->port;
+ int lane;
+ uint8_t mask;
+
+ mask = 0;
+ for (lane = 0; lane < 4; lane++) {
+ u32 val = I915_READ(BXT_PORT_TX_DW14_LN(port, lane));
+
+ if (val & LATENCY_OPTIM)
+ mask |= BIT(lane);
+ }
+
+ return mask;
}
void intel_ddi_prepare_link_retrain(struct intel_dp *intel_dp)
void intel_ddi_fdi_disable(struct drm_crtc *crtc)
{
- struct drm_i915_private *dev_priv = crtc->dev->dev_private;
+ struct drm_i915_private *dev_priv = to_i915(crtc->dev);
struct intel_encoder *intel_encoder = intel_ddi_get_crtc_encoder(crtc);
uint32_t val;
void intel_ddi_get_config(struct intel_encoder *encoder,
struct intel_crtc_state *pipe_config)
{
- struct drm_i915_private *dev_priv = encoder->base.dev->dev_private;
+ struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
struct intel_crtc *intel_crtc = to_intel_crtc(encoder->base.crtc);
enum transcoder cpu_transcoder = pipe_config->cpu_transcoder;
struct intel_hdmi *intel_hdmi;
break;
case TRANS_DDI_MODE_SELECT_DP_SST:
case TRANS_DDI_MODE_SELECT_DP_MST:
- pipe_config->has_dp_encoder = true;
pipe_config->lane_count =
((temp & DDI_PORT_WIDTH_MASK) >> DDI_PORT_WIDTH_SHIFT) + 1;
intel_dp_get_m_n(intel_crtc, pipe_config);
}
intel_ddi_clock_get(encoder, pipe_config);
+
+ if (IS_BROXTON(dev_priv))
+ pipe_config->lane_lat_optim_mask =
+ bxt_ddi_phy_get_lane_lat_optim_mask(encoder);
}
static bool intel_ddi_compute_config(struct intel_encoder *encoder,
struct intel_crtc_state *pipe_config)
{
+ struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
int type = encoder->type;
int port = intel_ddi_get_encoder_port(encoder);
+ int ret;
WARN(type == INTEL_OUTPUT_UNKNOWN, "compute_config() on unknown output!\n");
pipe_config->cpu_transcoder = TRANSCODER_EDP;
if (type == INTEL_OUTPUT_HDMI)
- return intel_hdmi_compute_config(encoder, pipe_config);
+ ret = intel_hdmi_compute_config(encoder, pipe_config);
else
- return intel_dp_compute_config(encoder, pipe_config);
+ ret = intel_dp_compute_config(encoder, pipe_config);
+
+ if (IS_BROXTON(dev_priv) && ret)
+ pipe_config->lane_lat_optim_mask =
+ bxt_ddi_phy_calc_lane_lat_optim_mask(encoder,
+ pipe_config);
+
+ return ret;
+
}
static const struct drm_encoder_funcs intel_ddi_funcs = {
void intel_ddi_init(struct drm_device *dev, enum port port)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = to_i915(dev);
struct intel_digital_port *intel_dig_port;
struct intel_encoder *intel_encoder;
struct drm_encoder *encoder;
encoder = &intel_encoder->base;
drm_encoder_init(dev, encoder, &intel_ddi_funcs,
- DRM_MODE_ENCODER_TMDS, NULL);
+ DRM_MODE_ENCODER_TMDS, "DDI %c", port_name(port));
intel_encoder->compute_config = intel_ddi_compute_config;
intel_encoder->enable = intel_enable_ddi;
+ if (IS_BROXTON(dev_priv))
+ intel_encoder->pre_pll_enable = bxt_ddi_pre_pll_enable;
intel_encoder->pre_enable = intel_ddi_pre_enable;
intel_encoder->disable = intel_disable_ddi;
intel_encoder->post_disable = intel_ddi_post_disable;
projects / cascardo / linux.git / blobdiff