0x80C30FFF, 0x000B0000,
0x00FFFFFF, 0x00040006,
0x80D75FFF, 0x000B0000,
- 0x00FFFFFF, 0x00040006 /* HDMI parameters */
};
static const u32 hsw_ddi_translations_fdi[] = {
0x00C30FFF, 0x001E0000,
0x00FFFFFF, 0x00060006,
0x00D75FFF, 0x001E0000,
- 0x00FFFFFF, 0x00040006 /* HDMI parameters */
};
-static enum port intel_ddi_get_encoder_port(struct intel_encoder *intel_encoder)
+static const u32 hsw_ddi_translations_hdmi[] = {
+ /* Idx NT mV diff T mV diff db */
+ 0x00FFFFFF, 0x0006000E, /* 0: 400 400 0 */
+ 0x00E79FFF, 0x000E000C, /* 1: 400 500 2 */
+ 0x00D75FFF, 0x0005000A, /* 2: 400 600 3.5 */
+ 0x00FFFFFF, 0x0005000A, /* 3: 600 600 0 */
+ 0x00E79FFF, 0x001D0007, /* 4: 600 750 2 */
+ 0x00D75FFF, 0x000C0004, /* 5: 600 900 3.5 */
+ 0x00FFFFFF, 0x00040006, /* 6: 800 800 0 */
+ 0x80E79FFF, 0x00030002, /* 7: 800 1000 2 */
+ 0x00FFFFFF, 0x00140005, /* 8: 850 850 0 */
+ 0x00FFFFFF, 0x000C0004, /* 9: 900 900 0 */
+ 0x00FFFFFF, 0x001C0003, /* 10: 950 950 0 */
+ 0x80FFFFFF, 0x00030002, /* 11: 1000 1000 0 */
+};
+
+static const u32 bdw_ddi_translations_edp[] = {
+ 0x00FFFFFF, 0x00000012, /* eDP parameters */
+ 0x00EBAFFF, 0x00020011,
+ 0x00C71FFF, 0x0006000F,
+ 0x00FFFFFF, 0x00020011,
+ 0x00DB6FFF, 0x0005000F,
+ 0x00BEEFFF, 0x000A000C,
+ 0x00FFFFFF, 0x0005000F,
+ 0x00DB6FFF, 0x000A000C,
+ 0x00FFFFFF, 0x000A000C,
+ 0x00FFFFFF, 0x00140006 /* HDMI parameters 800mV 0dB*/
+};
+
+static const u32 bdw_ddi_translations_dp[] = {
+ 0x00FFFFFF, 0x0007000E, /* DP parameters */
+ 0x00D75FFF, 0x000E000A,
+ 0x00BEFFFF, 0x00140006,
+ 0x00FFFFFF, 0x000E000A,
+ 0x00D75FFF, 0x00180004,
+ 0x80CB2FFF, 0x001B0002,
+ 0x00F7DFFF, 0x00180004,
+ 0x80D75FFF, 0x001B0002,
+ 0x80FFFFFF, 0x001B0002,
+ 0x00FFFFFF, 0x00140006 /* HDMI parameters 800mV 0dB*/
+};
+
+static const u32 bdw_ddi_translations_fdi[] = {
+ 0x00FFFFFF, 0x0001000E, /* FDI parameters */
+ 0x00D75FFF, 0x0004000A,
+ 0x00C30FFF, 0x00070006,
+ 0x00AAAFFF, 0x000C0000,
+ 0x00FFFFFF, 0x0004000A,
+ 0x00D75FFF, 0x00090004,
+ 0x00C30FFF, 0x000C0000,
+ 0x00FFFFFF, 0x00070006,
+ 0x00D75FFF, 0x000C0000,
+ 0x00FFFFFF, 0x00140006 /* HDMI parameters 800mV 0dB*/
+};
+
+enum port intel_ddi_get_encoder_port(struct intel_encoder *intel_encoder)
{
struct drm_encoder *encoder = &intel_encoder->base;
int type = intel_encoder->type;
}
}
-/* On Haswell, DDI port buffers must be programmed with correct values
- * in advance. The buffer values are different for FDI and DP modes,
+/*
+ * Starting with Haswell, DDI port buffers must be programmed with correct
+ * values in advance. The buffer values are different for FDI and DP modes,
* but the HDMI/DVI fields are shared among those. So we program the DDI
* in either FDI or DP modes only, as HDMI connections will work with both
* of those
struct drm_i915_private *dev_priv = dev->dev_private;
u32 reg;
int i;
- const u32 *ddi_translations = (port == PORT_E) ?
- hsw_ddi_translations_fdi :
- hsw_ddi_translations_dp;
+ int hdmi_level = dev_priv->vbt.ddi_port_info[port].hdmi_level_shift;
+ const u32 *ddi_translations_fdi;
+ const u32 *ddi_translations_dp;
+ const u32 *ddi_translations_edp;
+ const u32 *ddi_translations;
+
+ if (IS_BROADWELL(dev)) {
+ ddi_translations_fdi = bdw_ddi_translations_fdi;
+ ddi_translations_dp = bdw_ddi_translations_dp;
+ ddi_translations_edp = bdw_ddi_translations_edp;
+ } else if (IS_HASWELL(dev)) {
+ ddi_translations_fdi = hsw_ddi_translations_fdi;
+ ddi_translations_dp = hsw_ddi_translations_dp;
+ ddi_translations_edp = hsw_ddi_translations_dp;
+ } else {
+ WARN(1, "ddi translation table missing\n");
+ ddi_translations_edp = bdw_ddi_translations_dp;
+ ddi_translations_fdi = bdw_ddi_translations_fdi;
+ ddi_translations_dp = bdw_ddi_translations_dp;
+ }
+
+ switch (port) {
+ case PORT_A:
+ ddi_translations = ddi_translations_edp;
+ break;
+ case PORT_B:
+ case PORT_C:
+ ddi_translations = ddi_translations_dp;
+ break;
+ case PORT_D:
+ if (intel_dpd_is_edp(dev))
+ ddi_translations = ddi_translations_edp;
+ else
+ ddi_translations = ddi_translations_dp;
+ break;
+ case PORT_E:
+ ddi_translations = ddi_translations_fdi;
+ break;
+ default:
+ BUG();
+ }
for (i = 0, reg = DDI_BUF_TRANS(port);
i < ARRAY_SIZE(hsw_ddi_translations_fdi); i++) {
I915_WRITE(reg, ddi_translations[i]);
reg += 4;
}
+ /* Entry 9 is for HDMI: */
+ for (i = 0; i < 2; i++) {
+ I915_WRITE(reg, hsw_ddi_translations_hdmi[hdmi_level * 2 + i]);
+ reg += 4;
+ }
}
/* Program DDI buffers translations for DP. By default, program ports A-D in DP
DRM_DEBUG_DRIVER("DP audio: write eld information\n");
intel_write_eld(&encoder->base, adjusted_mode);
}
-
- intel_dp_init_link_config(intel_dp);
-
} else if (type == INTEL_OUTPUT_HDMI) {
struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(&encoder->base);
uint32_t reg, val;
int clock = intel_crtc->config.port_clock;
- /* TODO: reuse PLLs when possible (compare values) */
-
intel_ddi_put_crtc_pll(crtc);
if (type == INTEL_OUTPUT_DISPLAYPORT || type == INTEL_OUTPUT_EDP) {
} else if (type == INTEL_OUTPUT_HDMI) {
unsigned p, n2, r2;
- if (plls->wrpll1_refcount == 0) {
+ intel_ddi_calculate_wrpll(clock * 1000, &r2, &n2, &p);
+
+ val = WRPLL_PLL_ENABLE | WRPLL_PLL_SELECT_LCPLL_2700 |
+ WRPLL_DIVIDER_REFERENCE(r2) | WRPLL_DIVIDER_FEEDBACK(n2) |
+ WRPLL_DIVIDER_POST(p);
+
+ if (val == I915_READ(WRPLL_CTL1)) {
+ DRM_DEBUG_KMS("Reusing WRPLL 1 on pipe %c\n",
+ pipe_name(pipe));
+ reg = WRPLL_CTL1;
+ } else if (val == I915_READ(WRPLL_CTL2)) {
+ DRM_DEBUG_KMS("Reusing WRPLL 2 on pipe %c\n",
+ pipe_name(pipe));
+ reg = WRPLL_CTL2;
+ } else if (plls->wrpll1_refcount == 0) {
DRM_DEBUG_KMS("Using WRPLL 1 on pipe %c\n",
pipe_name(pipe));
- plls->wrpll1_refcount++;
reg = WRPLL_CTL1;
- intel_crtc->ddi_pll_sel = PORT_CLK_SEL_WRPLL1;
} else if (plls->wrpll2_refcount == 0) {
DRM_DEBUG_KMS("Using WRPLL 2 on pipe %c\n",
pipe_name(pipe));
- plls->wrpll2_refcount++;
reg = WRPLL_CTL2;
- intel_crtc->ddi_pll_sel = PORT_CLK_SEL_WRPLL2;
} else {
DRM_ERROR("No WRPLLs available!\n");
return false;
}
- WARN(I915_READ(reg) & WRPLL_PLL_ENABLE,
- "WRPLL already enabled\n");
-
- intel_ddi_calculate_wrpll(clock * 1000, &r2, &n2, &p);
-
- val = WRPLL_PLL_ENABLE | WRPLL_PLL_SELECT_LCPLL_2700 |
- WRPLL_DIVIDER_REFERENCE(r2) | WRPLL_DIVIDER_FEEDBACK(n2) |
- WRPLL_DIVIDER_POST(p);
+ if (reg == WRPLL_CTL1) {
+ plls->wrpll1_refcount++;
+ intel_crtc->ddi_pll_sel = PORT_CLK_SEL_WRPLL1;
+ } else {
+ plls->wrpll2_refcount++;
+ intel_crtc->ddi_pll_sel = PORT_CLK_SEL_WRPLL2;
+ }
} else if (type == INTEL_OUTPUT_ANALOG) {
if (plls->spll_refcount == 0) {
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
struct intel_encoder *intel_encoder = intel_ddi_get_crtc_encoder(crtc);
struct drm_encoder *encoder = &intel_encoder->base;
- struct drm_i915_private *dev_priv = crtc->dev->dev_private;
+ struct drm_device *dev = crtc->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
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);
BUG();
}
- if (crtc->mode.flags & DRM_MODE_FLAG_PVSYNC)
+ if (intel_crtc->config.adjusted_mode.flags & DRM_MODE_FLAG_PVSYNC)
temp |= TRANS_DDI_PVSYNC;
- if (crtc->mode.flags & DRM_MODE_FLAG_PHSYNC)
+ if (intel_crtc->config.adjusted_mode.flags & DRM_MODE_FLAG_PHSYNC)
temp |= TRANS_DDI_PHSYNC;
if (cpu_transcoder == TRANSCODER_EDP) {
switch (pipe) {
case PIPE_A:
- /* Can only use the always-on power well for eDP when
- * not using the panel fitter, and when not using motion
- * blur mitigation (which we don't support). */
- if (intel_crtc->config.pch_pfit.enabled)
+ /* On Haswell, can only use the always-on power well for
+ * eDP when not using the panel fitter, and when not
+ * using motion blur mitigation (which we don't
+ * support). */
+ if (IS_HASWELL(dev) && intel_crtc->config.pch_pfit.enabled)
temp |= TRANS_DDI_EDP_INPUT_A_ONOFF;
else
temp |= TRANS_DDI_EDP_INPUT_A_ON;
int intel_ddi_get_cdclk_freq(struct drm_i915_private *dev_priv)
{
+ struct drm_device *dev = dev_priv->dev;
uint32_t lcpll = I915_READ(LCPLL_CTL);
+ uint32_t freq = lcpll & LCPLL_CLK_FREQ_MASK;
- if (lcpll & LCPLL_CD_SOURCE_FCLK)
+ if (lcpll & LCPLL_CD_SOURCE_FCLK) {
return 800000;
- else if (I915_READ(HSW_FUSE_STRAP) & HSW_CDCLK_LIMIT)
+ } else if (I915_READ(HSW_FUSE_STRAP) & HSW_CDCLK_LIMIT) {
return 450000;
- else if ((lcpll & LCPLL_CLK_FREQ_MASK) == LCPLL_CLK_FREQ_450)
+ } else if (freq == LCPLL_CLK_FREQ_450) {
return 450000;
- else if (IS_ULT(dev_priv->dev))
- return 337500;
- else
- return 540000;
+ } else if (IS_HASWELL(dev)) {
+ if (IS_ULT(dev))
+ return 337500;
+ else
+ return 540000;
+ } else {
+ if (freq == LCPLL_CLK_FREQ_54O_BDW)
+ return 540000;
+ else if (freq == LCPLL_CLK_FREQ_337_5_BDW)
+ return 337500;
+ else
+ return 675000;
+ }
}
void intel_ddi_pll_init(struct drm_device *dev)
val = DP_TP_CTL_ENABLE | DP_TP_CTL_MODE_SST |
DP_TP_CTL_LINK_TRAIN_PAT1 | DP_TP_CTL_SCRAMBLE_DISABLE;
- if (intel_dp->link_configuration[1] & DP_LANE_COUNT_ENHANCED_FRAME_EN)
+ if (drm_dp_enhanced_frame_cap(intel_dp->dpcd))
val |= DP_TP_CTL_ENHANCED_FRAME_ENABLE;
I915_WRITE(DP_TP_CTL(port), val);
POSTING_READ(DP_TP_CTL(port));
default:
break;
}
+
+ switch (temp & TRANS_DDI_MODE_SELECT_MASK) {
+ case TRANS_DDI_MODE_SELECT_HDMI:
+ case TRANS_DDI_MODE_SELECT_DVI:
+ case TRANS_DDI_MODE_SELECT_FDI:
+ break;
+ case TRANS_DDI_MODE_SELECT_DP_SST:
+ case TRANS_DDI_MODE_SELECT_DP_MST:
+ pipe_config->has_dp_encoder = true;
+ intel_dp_get_m_n(intel_crtc, pipe_config);
+ break;
+ default:
+ break;
+ }
+
+ if (encoder->type == INTEL_OUTPUT_EDP && dev_priv->vbt.edp_bpp &&
+ pipe_config->pipe_bpp > dev_priv->vbt.edp_bpp) {
+ /*
+ * This is a big fat ugly hack.
+ *
+ * Some machines in UEFI boot mode provide us a VBT that has 18
+ * bpp and 1.62 GHz link bandwidth for eDP, which for reasons
+ * unknown we fail to light up. Yet the same BIOS boots up with
+ * 24 bpp and 2.7 GHz link. Use the same bpp as the BIOS uses as
+ * max, not what it tells us to use.
+ *
+ * Note: This will still be broken if the eDP panel is not lit
+ * up by the BIOS, and thus we can't get the mode at module
+ * load.
+ */
+ DRM_DEBUG_KMS("pipe has %d bpp for eDP panel, overriding BIOS-provided max %d bpp\n",
+ pipe_config->pipe_bpp, dev_priv->vbt.edp_bpp);
+ dev_priv->vbt.edp_bpp = pipe_config->pipe_bpp;
+ }
}
static void intel_ddi_destroy(struct drm_encoder *encoder)
.destroy = intel_ddi_destroy,
};
+static struct intel_connector *
+intel_ddi_init_dp_connector(struct intel_digital_port *intel_dig_port)
+{
+ struct intel_connector *connector;
+ enum port port = intel_dig_port->port;
+
+ connector = kzalloc(sizeof(*connector), GFP_KERNEL);
+ if (!connector)
+ return NULL;
+
+ intel_dig_port->dp.output_reg = DDI_BUF_CTL(port);
+ if (!intel_dp_init_connector(intel_dig_port, connector)) {
+ kfree(connector);
+ return NULL;
+ }
+
+ return connector;
+}
+
+static struct intel_connector *
+intel_ddi_init_hdmi_connector(struct intel_digital_port *intel_dig_port)
+{
+ struct intel_connector *connector;
+ enum port port = intel_dig_port->port;
+
+ connector = kzalloc(sizeof(*connector), GFP_KERNEL);
+ if (!connector)
+ return NULL;
+
+ intel_dig_port->hdmi.hdmi_reg = DDI_BUF_CTL(port);
+ intel_hdmi_init_connector(intel_dig_port, connector);
+
+ return connector;
+}
+
void intel_ddi_init(struct drm_device *dev, enum port port)
{
struct drm_i915_private *dev_priv = dev->dev_private;
struct drm_encoder *encoder;
struct intel_connector *hdmi_connector = NULL;
struct intel_connector *dp_connector = NULL;
+ bool init_hdmi, init_dp;
+
+ init_hdmi = (dev_priv->vbt.ddi_port_info[port].supports_dvi ||
+ dev_priv->vbt.ddi_port_info[port].supports_hdmi);
+ init_dp = dev_priv->vbt.ddi_port_info[port].supports_dp;
+ if (!init_dp && !init_hdmi) {
+ DRM_DEBUG_KMS("VBT says port %c is not DVI/HDMI/DP compatible\n",
+ port_name(port));
+ init_hdmi = true;
+ init_dp = true;
+ }
- intel_dig_port = kzalloc(sizeof(struct intel_digital_port), GFP_KERNEL);
+ intel_dig_port = kzalloc(sizeof(*intel_dig_port), GFP_KERNEL);
if (!intel_dig_port)
return;
- dp_connector = kzalloc(sizeof(struct intel_connector), GFP_KERNEL);
- if (!dp_connector) {
- kfree(intel_dig_port);
- return;
- }
-
intel_encoder = &intel_dig_port->base;
encoder = &intel_encoder->base;
intel_dig_port->saved_port_bits = I915_READ(DDI_BUF_CTL(port)) &
(DDI_BUF_PORT_REVERSAL |
DDI_A_4_LANES);
- intel_dig_port->dp.output_reg = DDI_BUF_CTL(port);
intel_encoder->type = INTEL_OUTPUT_UNKNOWN;
intel_encoder->crtc_mask = (1 << 0) | (1 << 1) | (1 << 2);
intel_encoder->cloneable = false;
intel_encoder->hot_plug = intel_ddi_hot_plug;
- if (!intel_dp_init_connector(intel_dig_port, dp_connector)) {
- drm_encoder_cleanup(encoder);
- kfree(intel_dig_port);
- kfree(dp_connector);
- return;
- }
+ if (init_dp)
+ dp_connector = intel_ddi_init_dp_connector(intel_dig_port);
- if (intel_encoder->type != INTEL_OUTPUT_EDP) {
- hdmi_connector = kzalloc(sizeof(struct intel_connector),
- GFP_KERNEL);
- if (!hdmi_connector) {
- return;
- }
+ /* In theory we don't need the encoder->type check, but leave it just in
+ * case we have some really bad VBTs... */
+ if (intel_encoder->type != INTEL_OUTPUT_EDP && init_hdmi)
+ hdmi_connector = intel_ddi_init_hdmi_connector(intel_dig_port);
- intel_dig_port->hdmi.hdmi_reg = DDI_BUF_CTL(port);
- intel_hdmi_init_connector(intel_dig_port, hdmi_connector);
+ if (!dp_connector && !hdmi_connector) {
+ drm_encoder_cleanup(encoder);
+ kfree(intel_dig_port);
}
}
projects / ~andy / linux / blobdiff