0x00FFFFFF, 0x00000012, /* eDP parameters */
0x00EBAFFF, 0x00020011,
0x00C71FFF, 0x0006000F,
+ 0x00AAAFFF, 0x000E000A,
0x00FFFFFF, 0x00020011,
0x00DB6FFF, 0x0005000F,
0x00BEEFFF, 0x000A000C,
0x00FFFFFF, 0x0005000F,
0x00DB6FFF, 0x000A000C,
- 0x00FFFFFF, 0x000A000C,
0x00FFFFFF, 0x00140006 /* HDMI parameters 800mV 0dB*/
};
0x00FFFFFF, 0x0007000E, /* DP parameters */
0x00D75FFF, 0x000E000A,
0x00BEFFFF, 0x00140006,
+ 0x80B2CFFF, 0x001B0002,
0x00FFFFFF, 0x000E000A,
0x00D75FFF, 0x00180004,
0x80CB2FFF, 0x001B0002,
0x00F7DFFF, 0x00180004,
0x80D75FFF, 0x001B0002,
- 0x80FFFFFF, 0x001B0002,
0x00FFFFFF, 0x00140006 /* HDMI parameters 800mV 0dB*/
};
I915_WRITE(_FDI_RXA_CTL, rx_ctl_val);
/* Configure Port Clock Select */
- I915_WRITE(PORT_CLK_SEL(PORT_E), intel_crtc->ddi_pll_sel);
+ I915_WRITE(PORT_CLK_SEL(PORT_E), intel_crtc->config.ddi_pll_sel);
+ WARN_ON(intel_crtc->config.ddi_pll_sel != PORT_CLK_SEL_SPLL);
/* Start the training iterating through available voltages and emphasis,
* testing each value twice. */
struct drm_i915_private *dev_priv = crtc->dev->dev_private;
struct intel_ddi_plls *plls = &dev_priv->ddi_plls;
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
- uint32_t val;
+ struct intel_shared_dpll *pll = intel_crtc_to_shared_dpll(intel_crtc);
- switch (intel_crtc->ddi_pll_sel) {
- case PORT_CLK_SEL_SPLL:
- plls->spll_refcount--;
- if (plls->spll_refcount == 0) {
- DRM_DEBUG_KMS("Disabling SPLL\n");
- val = I915_READ(SPLL_CTL);
- WARN_ON(!(val & SPLL_PLL_ENABLE));
- I915_WRITE(SPLL_CTL, val & ~SPLL_PLL_ENABLE);
- POSTING_READ(SPLL_CTL);
- }
- break;
+ switch (intel_crtc->config.ddi_pll_sel) {
case PORT_CLK_SEL_WRPLL1:
plls->wrpll1_refcount--;
if (plls->wrpll1_refcount == 0) {
- DRM_DEBUG_KMS("Disabling WRPLL 1\n");
- val = I915_READ(WRPLL_CTL1);
- WARN_ON(!(val & WRPLL_PLL_ENABLE));
- I915_WRITE(WRPLL_CTL1, val & ~WRPLL_PLL_ENABLE);
- POSTING_READ(WRPLL_CTL1);
+ pll->disable(dev_priv, pll);
}
+ intel_crtc->config.ddi_pll_sel = PORT_CLK_SEL_NONE;
break;
case PORT_CLK_SEL_WRPLL2:
plls->wrpll2_refcount--;
if (plls->wrpll2_refcount == 0) {
- DRM_DEBUG_KMS("Disabling WRPLL 2\n");
- val = I915_READ(WRPLL_CTL2);
- WARN_ON(!(val & WRPLL_PLL_ENABLE));
- I915_WRITE(WRPLL_CTL2, val & ~WRPLL_PLL_ENABLE);
- POSTING_READ(WRPLL_CTL2);
+ pll->disable(dev_priv, pll);
}
+ intel_crtc->config.ddi_pll_sel = PORT_CLK_SEL_NONE;
break;
}
- WARN(plls->spll_refcount < 0, "Invalid SPLL refcount\n");
WARN(plls->wrpll1_refcount < 0, "Invalid WRPLL1 refcount\n");
WARN(plls->wrpll2_refcount < 0, "Invalid WRPLL2 refcount\n");
-
- intel_crtc->ddi_pll_sel = PORT_CLK_SEL_NONE;
}
#define LC_FREQ 2700
u32 wrpll;
wrpll = I915_READ(reg);
- switch (wrpll & SPLL_PLL_REF_MASK) {
- case SPLL_PLL_SSC:
- case SPLL_PLL_NON_SSC:
+ switch (wrpll & WRPLL_PLL_REF_MASK) {
+ case WRPLL_PLL_SSC:
+ case WRPLL_PLL_NON_SSC:
/*
* We could calculate spread here, but our checking
* code only cares about 5% accuracy, and spread is a max of
*/
refclk = 135;
break;
- case SPLL_PLL_LCPLL:
+ case WRPLL_PLL_LCPLL:
refclk = LC_FREQ;
break;
default:
struct intel_crtc_config *pipe_config)
{
struct drm_i915_private *dev_priv = encoder->base.dev->dev_private;
- enum port port = intel_ddi_get_encoder_port(encoder);
int link_clock = 0;
u32 val, pll;
- val = I915_READ(PORT_CLK_SEL(port));
+ val = pipe_config->ddi_pll_sel;
switch (val & PORT_CLK_SEL_MASK) {
case PORT_CLK_SEL_LCPLL_810:
link_clock = 81000;
{
struct drm_crtc *crtc = &intel_crtc->base;
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 intel_ddi_plls *plls = &dev_priv->ddi_plls;
int type = intel_encoder->type;
intel_ddi_put_crtc_pll(crtc);
- if (type == INTEL_OUTPUT_DISPLAYPORT || type == INTEL_OUTPUT_EDP) {
- struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
-
- switch (intel_dp->link_bw) {
- case DP_LINK_BW_1_62:
- intel_crtc->ddi_pll_sel = PORT_CLK_SEL_LCPLL_810;
- break;
- case DP_LINK_BW_2_7:
- intel_crtc->ddi_pll_sel = PORT_CLK_SEL_LCPLL_1350;
- break;
- case DP_LINK_BW_5_4:
- intel_crtc->ddi_pll_sel = PORT_CLK_SEL_LCPLL_2700;
- break;
- default:
- DRM_ERROR("Link bandwidth %d unsupported\n",
- intel_dp->link_bw);
- return false;
- }
-
- } else if (type == INTEL_OUTPUT_HDMI) {
+ if (type == INTEL_OUTPUT_HDMI) {
uint32_t reg, val;
unsigned p, n2, r2;
intel_ddi_calculate_wrpll(clock * 1000, &r2, &n2, &p);
- val = WRPLL_PLL_ENABLE | WRPLL_PLL_SELECT_LCPLL_2700 |
+ val = WRPLL_PLL_ENABLE | WRPLL_PLL_LCPLL |
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;
+ intel_crtc->config.ddi_pll_sel = PORT_CLK_SEL_WRPLL1;
+ intel_crtc->config.shared_dpll = DPLL_ID_WRPLL1;
} else {
plls->wrpll2_refcount++;
- intel_crtc->ddi_pll_sel = PORT_CLK_SEL_WRPLL2;
+ intel_crtc->config.ddi_pll_sel = PORT_CLK_SEL_WRPLL2;
+ intel_crtc->config.shared_dpll = DPLL_ID_WRPLL2;
}
- } else if (type == INTEL_OUTPUT_ANALOG) {
- if (plls->spll_refcount == 0) {
- DRM_DEBUG_KMS("Using SPLL on pipe %c\n",
- pipe_name(pipe));
- plls->spll_refcount++;
- intel_crtc->ddi_pll_sel = PORT_CLK_SEL_SPLL;
- } else {
- DRM_ERROR("SPLL already in use\n");
- return false;
- }
-
- } else {
- WARN(1, "Invalid DDI encoder type %d\n", type);
- return false;
+ intel_crtc->config.dpll_hw_state.wrpll = val;
}
return true;
BUILD_BUG_ON(enable_bit != SPLL_PLL_ENABLE);
BUILD_BUG_ON(enable_bit != WRPLL_PLL_ENABLE);
- switch (crtc->ddi_pll_sel) {
- case PORT_CLK_SEL_LCPLL_2700:
- case PORT_CLK_SEL_LCPLL_1350:
- case PORT_CLK_SEL_LCPLL_810:
- /*
- * LCPLL should always be enabled at this point of the mode set
- * sequence, so nothing to do.
- */
- return;
-
- case PORT_CLK_SEL_SPLL:
- pll_name = "SPLL";
- reg = SPLL_CTL;
- refcount = plls->spll_refcount;
- new_val = SPLL_PLL_ENABLE | SPLL_PLL_FREQ_1350MHz |
- SPLL_PLL_SSC;
- break;
-
+ switch (crtc->config.ddi_pll_sel) {
case PORT_CLK_SEL_WRPLL1:
case PORT_CLK_SEL_WRPLL2:
- if (crtc->ddi_pll_sel == PORT_CLK_SEL_WRPLL1) {
+ if (crtc->config.ddi_pll_sel == PORT_CLK_SEL_WRPLL1) {
pll_name = "WRPLL1";
reg = WRPLL_CTL1;
refcount = plls->wrpll1_refcount;
intel_ddi_calculate_wrpll(clock * 1000, &r2, &n2, &p);
- new_val = WRPLL_PLL_ENABLE | WRPLL_PLL_SELECT_LCPLL_2700 |
+ new_val = WRPLL_PLL_ENABLE | WRPLL_PLL_LCPLL |
WRPLL_DIVIDER_REFERENCE(r2) |
WRPLL_DIVIDER_FEEDBACK(n2) | WRPLL_DIVIDER_POST(p);
WARN(1, "Bad selected pll: PORT_CLK_SEL_NONE\n");
return;
default:
- WARN(1, "Bad selected pll: 0x%08x\n", crtc->ddi_pll_sel);
return;
}
* 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)
+ if (IS_HASWELL(dev) &&
+ (intel_crtc->config.pch_pfit.enabled ||
+ intel_crtc->config.pch_pfit.force_thru))
temp |= TRANS_DDI_EDP_INPUT_A_ONOFF;
else
temp |= TRANS_DDI_EDP_INPUT_A_ON;
return false;
}
-static uint32_t intel_ddi_get_crtc_pll(struct drm_i915_private *dev_priv,
- enum pipe pipe)
-{
- uint32_t temp, ret;
- enum port port = I915_MAX_PORTS;
- enum transcoder cpu_transcoder = intel_pipe_to_cpu_transcoder(dev_priv,
- pipe);
- int i;
-
- if (cpu_transcoder == TRANSCODER_EDP) {
- port = PORT_A;
- } else {
- temp = I915_READ(TRANS_DDI_FUNC_CTL(cpu_transcoder));
- temp &= TRANS_DDI_PORT_MASK;
-
- for (i = PORT_B; i <= PORT_E; i++)
- if (temp == TRANS_DDI_SELECT_PORT(i))
- port = i;
- }
-
- if (port == I915_MAX_PORTS) {
- WARN(1, "Pipe %c enabled on an unknown port\n",
- pipe_name(pipe));
- ret = PORT_CLK_SEL_NONE;
- } else {
- ret = I915_READ(PORT_CLK_SEL(port));
- DRM_DEBUG_KMS("Pipe %c connected to port %c using clock "
- "0x%08x\n", pipe_name(pipe), port_name(port),
- ret);
- }
-
- return ret;
-}
-
void intel_ddi_setup_hw_pll_state(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
enum pipe pipe;
struct intel_crtc *intel_crtc;
- dev_priv->ddi_plls.spll_refcount = 0;
dev_priv->ddi_plls.wrpll1_refcount = 0;
dev_priv->ddi_plls.wrpll2_refcount = 0;
to_intel_crtc(dev_priv->pipe_to_crtc_mapping[pipe]);
if (!intel_crtc->active) {
- intel_crtc->ddi_pll_sel = PORT_CLK_SEL_NONE;
+ intel_crtc->config.ddi_pll_sel = PORT_CLK_SEL_NONE;
continue;
}
- intel_crtc->ddi_pll_sel = intel_ddi_get_crtc_pll(dev_priv,
- pipe);
-
- switch (intel_crtc->ddi_pll_sel) {
- case PORT_CLK_SEL_SPLL:
- dev_priv->ddi_plls.spll_refcount++;
- break;
+ switch (intel_crtc->config.ddi_pll_sel) {
case PORT_CLK_SEL_WRPLL1:
dev_priv->ddi_plls.wrpll1_refcount++;
break;
intel_edp_panel_on(intel_dp);
}
- WARN_ON(crtc->ddi_pll_sel == PORT_CLK_SEL_NONE);
- I915_WRITE(PORT_CLK_SEL(port), crtc->ddi_pll_sel);
+ WARN_ON(crtc->config.ddi_pll_sel == PORT_CLK_SEL_NONE);
+ I915_WRITE(PORT_CLK_SEL(port), crtc->config.ddi_pll_sel);
if (type == INTEL_OUTPUT_DISPLAYPORT || type == INTEL_OUTPUT_EDP) {
struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
}
}
+static void hsw_ddi_pll_disable(struct drm_i915_private *dev_priv,
+ struct intel_shared_dpll *pll)
+{
+ uint32_t val;
+
+ val = I915_READ(WRPLL_CTL(pll->id));
+ WARN_ON(!(val & WRPLL_PLL_ENABLE));
+ I915_WRITE(WRPLL_CTL(pll->id), val & ~WRPLL_PLL_ENABLE);
+ POSTING_READ(WRPLL_CTL(pll->id));
+}
+
+static bool hsw_ddi_pll_get_hw_state(struct drm_i915_private *dev_priv,
+ struct intel_shared_dpll *pll,
+ struct intel_dpll_hw_state *hw_state)
+{
+ uint32_t val;
+
+ if (!intel_display_power_enabled(dev_priv, POWER_DOMAIN_PLLS))
+ return false;
+
+ val = I915_READ(WRPLL_CTL(pll->id));
+ hw_state->wrpll = val;
+
+ return val & WRPLL_PLL_ENABLE;
+}
+
+static char *hsw_ddi_pll_names[] = {
+ "WRPLL 1",
+ "WRPLL 2",
+};
+
void intel_ddi_pll_init(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
uint32_t val = I915_READ(LCPLL_CTL);
+ int i;
+
+ /* Dummy setup until everything is moved over to avoid upsetting the hw
+ * state cross checker. */
+ dev_priv->num_shared_dpll = 0;
+
+ for (i = 0; i < 2; i++) {
+ dev_priv->shared_dplls[i].id = i;
+ dev_priv->shared_dplls[i].name = hsw_ddi_pll_names[i];
+ dev_priv->shared_dplls[i].disable = hsw_ddi_pll_disable;
+ dev_priv->shared_dplls[i].get_hw_state =
+ hsw_ddi_pll_get_hw_state;
+ }
/* The LCPLL register should be turned on by the BIOS. For now let's
* just check its state and print errors in case something is wrong.
intel_encoder->cloneable = 0;
intel_encoder->hot_plug = intel_ddi_hot_plug;
+ intel_dig_port->hpd_pulse = intel_dp_hpd_pulse;
+ dev_priv->hpd_irq_port[port] = intel_dig_port;
+
if (init_dp)
dp_connector = intel_ddi_init_dp_connector(intel_dig_port);
projects / cascardo / linux.git / blobdiff