@@ -546,6 +546,27 @@ static void intel_wait_ddi_buf_idle(struct drm_i915_private *dev_priv,
DRM_ERROR("Timeout waiting for DDI BUF %c idle bit\n", port_name(port));
}
+static uint32_t hsw_pll_to_ddi_pll_sel(struct intel_shared_dpll *pll)
+{
+ switch (pll->id) {
+ case DPLL_ID_WRPLL1:
+ return PORT_CLK_SEL_WRPLL1;
+ case DPLL_ID_WRPLL2:
+ return PORT_CLK_SEL_WRPLL2;
+ case DPLL_ID_SPLL:
+ return PORT_CLK_SEL_SPLL;
+ case DPLL_ID_LCPLL_810:
+ return PORT_CLK_SEL_LCPLL_810;
+ case DPLL_ID_LCPLL_1350:
+ return PORT_CLK_SEL_LCPLL_1350;
+ case DPLL_ID_LCPLL_2700:
+ return PORT_CLK_SEL_LCPLL_2700;
+ default:
+ MISSING_CASE(pll->id);
+ return PORT_CLK_SEL_NONE;
+ }
+}
+
/* Starting with Haswell, different DDI ports can work in FDI mode for
* connection to the PCH-located connectors. For this, it is necessary to train
* both the DDI port and PCH receiver for the desired DDI buffer settings.
@@ -561,7 +582,7 @@ void hsw_fdi_link_train(struct drm_crtc *crtc)
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;
+ u32 temp, i, rx_ctl_val, ddi_pll_sel;
for_each_encoder_on_crtc(dev, crtc, encoder) {
WARN_ON(encoder->type != INTEL_OUTPUT_ANALOG);
@@ -592,8 +613,9 @@ void hsw_fdi_link_train(struct drm_crtc *crtc)
I915_WRITE(FDI_RX_CTL(PIPE_A), rx_ctl_val);
/* Configure Port Clock Select */
- 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);
+ ddi_pll_sel = hsw_pll_to_ddi_pll_sel(intel_crtc->config->shared_dpll);
+ I915_WRITE(PORT_CLK_SEL(PORT_E), ddi_pll_sel);
+ WARN_ON(ddi_pll_sel != PORT_CLK_SEL_SPLL);
/* Start the training iterating through available voltages and emphasis,
* testing each value twice. */
@@ -870,7 +892,7 @@ static void skl_ddi_clock_get(struct intel_encoder *encoder,
int link_clock = 0;
uint32_t dpll_ctl1, dpll;
- dpll = pipe_config->ddi_pll_sel;
+ dpll = intel_get_shared_dpll_id(dev_priv, pipe_config->shared_dpll);
dpll_ctl1 = I915_READ(DPLL_CTRL1);
@@ -918,7 +940,7 @@ static void hsw_ddi_clock_get(struct intel_encoder *encoder,
int link_clock = 0;
u32 val, pll;
- val = pipe_config->ddi_pll_sel;
+ val = hsw_pll_to_ddi_pll_sel(pipe_config->shared_dpll);
switch (val & PORT_CLK_SEL_MASK) {
case PORT_CLK_SEL_LCPLL_810:
link_clock = 81000;
@@ -1586,13 +1608,15 @@ uint32_t ddi_signal_levels(struct intel_dp *intel_dp)
}
void intel_ddi_clk_select(struct intel_encoder *encoder,
- const struct intel_crtc_state *pipe_config)
+ struct intel_shared_dpll *pll)
{
struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
enum port port = intel_ddi_get_encoder_port(encoder);
+ if (WARN_ON(!pll))
+ return;
+
if (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv)) {
- uint32_t dpll = pipe_config->ddi_pll_sel;
uint32_t val;
/* DDI -> PLL mapping */
@@ -1600,14 +1624,13 @@ void intel_ddi_clk_select(struct intel_encoder *encoder,
val &= ~(DPLL_CTRL2_DDI_CLK_OFF(port) |
DPLL_CTRL2_DDI_CLK_SEL_MASK(port));
- val |= (DPLL_CTRL2_DDI_CLK_SEL(dpll, port) |
+ val |= (DPLL_CTRL2_DDI_CLK_SEL(pll->id, port) |
DPLL_CTRL2_DDI_SEL_OVERRIDE(port));
I915_WRITE(DPLL_CTRL2, val);
} else if (INTEL_INFO(dev_priv)->gen < 9) {
- WARN_ON(pipe_config->ddi_pll_sel == PORT_CLK_SEL_NONE);
- I915_WRITE(PORT_CLK_SEL(port), pipe_config->ddi_pll_sel);
+ I915_WRITE(PORT_CLK_SEL(port), hsw_pll_to_ddi_pll_sel(pll));
}
}
@@ -1630,7 +1653,7 @@ static void intel_ddi_pre_enable(struct intel_encoder *intel_encoder)
intel_edp_panel_on(intel_dp);
}
- intel_ddi_clk_select(intel_encoder, crtc->config);
+ intel_ddi_clk_select(intel_encoder, crtc->config->shared_dpll);
if (type == INTEL_OUTPUT_DP || type == INTEL_OUTPUT_EDP) {
struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
@@ -10326,15 +10326,12 @@ static void bxt_get_ddi_pll(struct drm_i915_private *dev_priv,
switch (port) {
case PORT_A:
- pipe_config->ddi_pll_sel = SKL_DPLL0;
id = DPLL_ID_SKL_DPLL0;
break;
case PORT_B:
- pipe_config->ddi_pll_sel = SKL_DPLL1;
id = DPLL_ID_SKL_DPLL1;
break;
case PORT_C:
- pipe_config->ddi_pll_sel = SKL_DPLL2;
id = DPLL_ID_SKL_DPLL2;
break;
default:
@@ -10353,25 +10350,10 @@ static void skylake_get_ddi_pll(struct drm_i915_private *dev_priv,
u32 temp;
temp = I915_READ(DPLL_CTRL2) & DPLL_CTRL2_DDI_CLK_SEL_MASK(port);
- pipe_config->ddi_pll_sel = temp >> (port * 3 + 1);
+ id = temp >> (port * 3 + 1);
- switch (pipe_config->ddi_pll_sel) {
- case SKL_DPLL0:
- id = DPLL_ID_SKL_DPLL0;
- break;
- case SKL_DPLL1:
- id = DPLL_ID_SKL_DPLL1;
- break;
- case SKL_DPLL2:
- id = DPLL_ID_SKL_DPLL2;
- break;
- case SKL_DPLL3:
- id = DPLL_ID_SKL_DPLL3;
- break;
- default:
- MISSING_CASE(pipe_config->ddi_pll_sel);
+ if (WARN_ON(id < SKL_DPLL0 || id > SKL_DPLL3))
return;
- }
pipe_config->shared_dpll = intel_get_shared_dpll_by_id(dev_priv, id);
}
@@ -10381,10 +10363,9 @@ static void haswell_get_ddi_pll(struct drm_i915_private *dev_priv,
struct intel_crtc_state *pipe_config)
{
enum intel_dpll_id id;
+ uint32_t ddi_pll_sel = I915_READ(PORT_CLK_SEL(port));
- pipe_config->ddi_pll_sel = I915_READ(PORT_CLK_SEL(port));
-
- switch (pipe_config->ddi_pll_sel) {
+ switch (ddi_pll_sel) {
case PORT_CLK_SEL_WRPLL1:
id = DPLL_ID_WRPLL1;
break;
@@ -10404,7 +10385,7 @@ static void haswell_get_ddi_pll(struct drm_i915_private *dev_priv,
id = DPLL_ID_LCPLL_2700;
break;
default:
- MISSING_CASE(pipe_config->ddi_pll_sel);
+ MISSING_CASE(ddi_pll_sel);
/* fall through */
case PORT_CLK_SEL_NONE:
return;
@@ -12684,10 +12665,9 @@ static void intel_dump_pipe_config(struct intel_crtc *crtc,
DRM_DEBUG_KMS("double wide: %i\n", pipe_config->double_wide);
if (IS_BROXTON(dev)) {
- DRM_DEBUG_KMS("ddi_pll_sel: %u; dpll_hw_state: ebb0: 0x%x, ebb4: 0x%x,"
+ DRM_DEBUG_KMS("dpll_hw_state: ebb0: 0x%x, ebb4: 0x%x,"
"pll0: 0x%x, pll1: 0x%x, pll2: 0x%x, pll3: 0x%x, "
"pll6: 0x%x, pll8: 0x%x, pll9: 0x%x, pll10: 0x%x, pcsdw12: 0x%x\n",
- pipe_config->ddi_pll_sel,
pipe_config->dpll_hw_state.ebb0,
pipe_config->dpll_hw_state.ebb4,
pipe_config->dpll_hw_state.pll0,
@@ -12700,15 +12680,13 @@ static void intel_dump_pipe_config(struct intel_crtc *crtc,
pipe_config->dpll_hw_state.pll10,
pipe_config->dpll_hw_state.pcsdw12);
} else if (IS_SKYLAKE(dev) || IS_KABYLAKE(dev)) {
- DRM_DEBUG_KMS("ddi_pll_sel: %u; dpll_hw_state: "
+ DRM_DEBUG_KMS("dpll_hw_state: "
"ctrl1: 0x%x, cfgcr1: 0x%x, cfgcr2: 0x%x\n",
- pipe_config->ddi_pll_sel,
pipe_config->dpll_hw_state.ctrl1,
pipe_config->dpll_hw_state.cfgcr1,
pipe_config->dpll_hw_state.cfgcr2);
} else if (HAS_DDI(dev)) {
- DRM_DEBUG_KMS("ddi_pll_sel: 0x%x; dpll_hw_state: wrpll: 0x%x spll: 0x%x\n",
- pipe_config->ddi_pll_sel,
+ DRM_DEBUG_KMS("dpll_hw_state: wrpll: 0x%x spll: 0x%x\n",
pipe_config->dpll_hw_state.wrpll,
pipe_config->dpll_hw_state.spll);
} else {
@@ -12821,7 +12799,6 @@ clear_intel_crtc_state(struct intel_crtc_state *crtc_state)
struct intel_crtc_scaler_state scaler_state;
struct intel_dpll_hw_state dpll_hw_state;
struct intel_shared_dpll *shared_dpll;
- uint32_t ddi_pll_sel;
bool force_thru;
/* FIXME: before the switch to atomic started, a new pipe_config was
@@ -12833,7 +12810,6 @@ clear_intel_crtc_state(struct intel_crtc_state *crtc_state)
scaler_state = crtc_state->scaler_state;
shared_dpll = crtc_state->shared_dpll;
dpll_hw_state = crtc_state->dpll_hw_state;
- ddi_pll_sel = crtc_state->ddi_pll_sel;
force_thru = crtc_state->pch_pfit.force_thru;
memset(crtc_state, 0, sizeof *crtc_state);
@@ -12842,7 +12818,6 @@ clear_intel_crtc_state(struct intel_crtc_state *crtc_state)
crtc_state->scaler_state = scaler_state;
crtc_state->shared_dpll = shared_dpll;
crtc_state->dpll_hw_state = dpll_hw_state;
- crtc_state->ddi_pll_sel = ddi_pll_sel;
crtc_state->pch_pfit.force_thru = force_thru;
}
@@ -13271,8 +13246,6 @@ intel_pipe_config_compare(struct drm_device *dev,
PIPE_CONF_CHECK_I(double_wide);
- PIPE_CONF_CHECK_X(ddi_pll_sel);
-
PIPE_CONF_CHECK_P(shared_dpll);
PIPE_CONF_CHECK_X(dpll_hw_state.dpll);
PIPE_CONF_CHECK_X(dpll_hw_state.dpll_md);
@@ -170,7 +170,8 @@ static void intel_mst_pre_enable_dp(struct intel_encoder *encoder)
intel_mst->connector = found;
if (intel_dp->active_mst_links == 0) {
- intel_ddi_clk_select(&intel_dig_port->base, intel_crtc->config);
+ intel_ddi_clk_select(&intel_dig_port->base,
+ intel_crtc->config->shared_dpll);
intel_prepare_dp_ddi_buffers(&intel_dig_port->base);
intel_dp_set_link_params(intel_dp,
@@ -452,26 +452,6 @@ static bool hsw_ddi_spll_get_hw_state(struct drm_i915_private *dev_priv,
return val & SPLL_PLL_ENABLE;
}
-static uint32_t hsw_pll_to_ddi_pll_sel(struct intel_shared_dpll *pll)
-{
- switch (pll->id) {
- case DPLL_ID_WRPLL1:
- return PORT_CLK_SEL_WRPLL1;
- case DPLL_ID_WRPLL2:
- return PORT_CLK_SEL_WRPLL2;
- case DPLL_ID_SPLL:
- return PORT_CLK_SEL_SPLL;
- case DPLL_ID_LCPLL_810:
- return PORT_CLK_SEL_LCPLL_810;
- case DPLL_ID_LCPLL_1350:
- return PORT_CLK_SEL_LCPLL_1350;
- case DPLL_ID_LCPLL_2700:
- return PORT_CLK_SEL_LCPLL_2700;
- default:
- return PORT_CLK_SEL_NONE;
- }
-}
-
#define LC_FREQ 2700
#define LC_FREQ_2K U64_C(LC_FREQ * 2000)
@@ -751,8 +731,6 @@ hsw_get_dpll(struct intel_crtc *crtc, struct intel_crtc_state *crtc_state,
if (!pll)
return NULL;
- crtc_state->ddi_pll_sel = hsw_pll_to_ddi_pll_sel(pll);
-
intel_reference_shared_dpll(pll, crtc_state);
return pll;
@@ -1274,8 +1252,6 @@ skl_get_dpll(struct intel_crtc *crtc, struct intel_crtc_state *crtc_state,
if (!pll)
return NULL;
- crtc_state->ddi_pll_sel = pll->id;
-
intel_reference_shared_dpll(pll, crtc_state);
return pll;
@@ -1622,9 +1598,6 @@ bxt_get_dpll(struct intel_crtc *crtc, struct intel_crtc_state *crtc_state,
intel_reference_shared_dpll(pll, crtc_state);
- /* shared DPLL id 0 is DPLL A */
- crtc_state->ddi_pll_sel = pll->id;
-
return pll;
}
@@ -578,12 +578,6 @@ struct intel_crtc_state {
/* Selected dpll when shared or NULL. */
struct intel_shared_dpll *shared_dpll;
- /*
- * - PORT_CLK_SEL for DDI ports on HSW/BDW.
- * - enum skl_dpll on SKL
- */
- uint32_t ddi_pll_sel;
-
/* Actual register state of the dpll, for shared dpll cross-checking. */
struct intel_dpll_hw_state dpll_hw_state;
@@ -1124,7 +1118,7 @@ void intel_crt_reset(struct drm_encoder *encoder);
/* intel_ddi.c */
void intel_ddi_clk_select(struct intel_encoder *encoder,
- const struct intel_crtc_state *pipe_config);
+ struct intel_shared_dpll *pll);
void intel_prepare_dp_ddi_buffers(struct intel_encoder *encoder);
void hsw_fdi_link_train(struct drm_crtc *crtc);
void intel_ddi_init(struct drm_device *dev, enum port port);