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path: root/drivers/gpu/drm/i915/intel_display.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_display.c')
-rw-r--r--drivers/gpu/drm/i915/intel_display.c1079
1 files changed, 765 insertions, 314 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index e7356fb6c91..f469a84cacf 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -742,12 +742,11 @@ bool intel_pipe_has_type (struct drm_crtc *crtc, int type)
{
struct drm_device *dev = crtc->dev;
struct drm_mode_config *mode_config = &dev->mode_config;
- struct drm_connector *l_entry;
+ struct drm_encoder *l_entry;
- list_for_each_entry(l_entry, &mode_config->connector_list, head) {
- if (l_entry->encoder &&
- l_entry->encoder->crtc == crtc) {
- struct intel_encoder *intel_encoder = to_intel_encoder(l_entry);
+ list_for_each_entry(l_entry, &mode_config->encoder_list, head) {
+ if (l_entry && l_entry->crtc == crtc) {
+ struct intel_encoder *intel_encoder = enc_to_intel_encoder(l_entry);
if (intel_encoder->type == type)
return true;
}
@@ -755,23 +754,6 @@ bool intel_pipe_has_type (struct drm_crtc *crtc, int type)
return false;
}
-static struct drm_connector *
-intel_pipe_get_connector (struct drm_crtc *crtc)
-{
- struct drm_device *dev = crtc->dev;
- struct drm_mode_config *mode_config = &dev->mode_config;
- struct drm_connector *l_entry, *ret = NULL;
-
- list_for_each_entry(l_entry, &mode_config->connector_list, head) {
- if (l_entry->encoder &&
- l_entry->encoder->crtc == crtc) {
- ret = l_entry;
- break;
- }
- }
- return ret;
-}
-
#define INTELPllInvalid(s) do { /* DRM_DEBUG(s); */ return false; } while (0)
/**
* Returns whether the given set of divisors are valid for a given refclk with
@@ -905,9 +887,9 @@ intel_g4x_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc,
memset(best_clock, 0, sizeof(*best_clock));
max_n = limit->n.max;
- /* based on hardware requriment prefer smaller n to precision */
+ /* based on hardware requirement, prefer smaller n to precision */
for (clock.n = limit->n.min; clock.n <= max_n; clock.n++) {
- /* based on hardware requirment prefere larger m1,m2 */
+ /* based on hardware requirement, prefere larger m1,m2 */
for (clock.m1 = limit->m1.max;
clock.m1 >= limit->m1.min; clock.m1--) {
for (clock.m2 = limit->m2.max;
@@ -1066,9 +1048,8 @@ void i8xx_disable_fbc(struct drm_device *dev)
DRM_DEBUG_KMS("disabled FBC\n");
}
-static bool i8xx_fbc_enabled(struct drm_crtc *crtc)
+static bool i8xx_fbc_enabled(struct drm_device *dev)
{
- struct drm_device *dev = crtc->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
return I915_READ(FBC_CONTROL) & FBC_CTL_EN;
@@ -1125,14 +1106,43 @@ void g4x_disable_fbc(struct drm_device *dev)
DRM_DEBUG_KMS("disabled FBC\n");
}
-static bool g4x_fbc_enabled(struct drm_crtc *crtc)
+static bool g4x_fbc_enabled(struct drm_device *dev)
{
- struct drm_device *dev = crtc->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
return I915_READ(DPFC_CONTROL) & DPFC_CTL_EN;
}
+bool intel_fbc_enabled(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+
+ if (!dev_priv->display.fbc_enabled)
+ return false;
+
+ return dev_priv->display.fbc_enabled(dev);
+}
+
+void intel_enable_fbc(struct drm_crtc *crtc, unsigned long interval)
+{
+ struct drm_i915_private *dev_priv = crtc->dev->dev_private;
+
+ if (!dev_priv->display.enable_fbc)
+ return;
+
+ dev_priv->display.enable_fbc(crtc, interval);
+}
+
+void intel_disable_fbc(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+
+ if (!dev_priv->display.disable_fbc)
+ return;
+
+ dev_priv->display.disable_fbc(dev);
+}
+
/**
* intel_update_fbc - enable/disable FBC as needed
* @crtc: CRTC to point the compressor at
@@ -1167,9 +1177,7 @@ static void intel_update_fbc(struct drm_crtc *crtc,
if (!i915_powersave)
return;
- if (!dev_priv->display.fbc_enabled ||
- !dev_priv->display.enable_fbc ||
- !dev_priv->display.disable_fbc)
+ if (!I915_HAS_FBC(dev))
return;
if (!crtc->fb)
@@ -1216,28 +1224,25 @@ static void intel_update_fbc(struct drm_crtc *crtc,
goto out_disable;
}
- if (dev_priv->display.fbc_enabled(crtc)) {
+ if (intel_fbc_enabled(dev)) {
/* We can re-enable it in this case, but need to update pitch */
- if (fb->pitch > dev_priv->cfb_pitch)
- dev_priv->display.disable_fbc(dev);
- if (obj_priv->fence_reg != dev_priv->cfb_fence)
- dev_priv->display.disable_fbc(dev);
- if (plane != dev_priv->cfb_plane)
- dev_priv->display.disable_fbc(dev);
+ if ((fb->pitch > dev_priv->cfb_pitch) ||
+ (obj_priv->fence_reg != dev_priv->cfb_fence) ||
+ (plane != dev_priv->cfb_plane))
+ intel_disable_fbc(dev);
}
- if (!dev_priv->display.fbc_enabled(crtc)) {
- /* Now try to turn it back on if possible */
- dev_priv->display.enable_fbc(crtc, 500);
- }
+ /* Now try to turn it back on if possible */
+ if (!intel_fbc_enabled(dev))
+ intel_enable_fbc(crtc, 500);
return;
out_disable:
DRM_DEBUG_KMS("unsupported config, disabling FBC\n");
/* Multiple disables should be harmless */
- if (dev_priv->display.fbc_enabled(crtc))
- dev_priv->display.disable_fbc(dev);
+ if (intel_fbc_enabled(dev))
+ intel_disable_fbc(dev);
}
static int
@@ -1510,6 +1515,219 @@ static void ironlake_set_pll_edp (struct drm_crtc *crtc, int clock)
udelay(500);
}
+/* The FDI link training functions for ILK/Ibexpeak. */
+static void ironlake_fdi_link_train(struct drm_crtc *crtc)
+{
+ struct drm_device *dev = crtc->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+ int pipe = intel_crtc->pipe;
+ int fdi_tx_reg = (pipe == 0) ? FDI_TXA_CTL : FDI_TXB_CTL;
+ int fdi_rx_reg = (pipe == 0) ? FDI_RXA_CTL : FDI_RXB_CTL;
+ int fdi_rx_iir_reg = (pipe == 0) ? FDI_RXA_IIR : FDI_RXB_IIR;
+ int fdi_rx_imr_reg = (pipe == 0) ? FDI_RXA_IMR : FDI_RXB_IMR;
+ u32 temp, tries = 0;
+
+ /* enable CPU FDI TX and PCH FDI RX */
+ temp = I915_READ(fdi_tx_reg);
+ temp |= FDI_TX_ENABLE;
+ temp &= ~(7 << 19);
+ temp |= (intel_crtc->fdi_lanes - 1) << 19;
+ temp &= ~FDI_LINK_TRAIN_NONE;
+ temp |= FDI_LINK_TRAIN_PATTERN_1;
+ I915_WRITE(fdi_tx_reg, temp);
+ I915_READ(fdi_tx_reg);
+
+ temp = I915_READ(fdi_rx_reg);
+ temp &= ~FDI_LINK_TRAIN_NONE;
+ temp |= FDI_LINK_TRAIN_PATTERN_1;
+ I915_WRITE(fdi_rx_reg, temp | FDI_RX_ENABLE);
+ I915_READ(fdi_rx_reg);
+ udelay(150);
+
+ /* Train 1: umask FDI RX Interrupt symbol_lock and bit_lock bit
+ for train result */
+ temp = I915_READ(fdi_rx_imr_reg);
+ temp &= ~FDI_RX_SYMBOL_LOCK;
+ temp &= ~FDI_RX_BIT_LOCK;
+ I915_WRITE(fdi_rx_imr_reg, temp);
+ I915_READ(fdi_rx_imr_reg);
+ udelay(150);
+
+ for (;;) {
+ temp = I915_READ(fdi_rx_iir_reg);
+ DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp);
+
+ if ((temp & FDI_RX_BIT_LOCK)) {
+ DRM_DEBUG_KMS("FDI train 1 done.\n");
+ I915_WRITE(fdi_rx_iir_reg,
+ temp | FDI_RX_BIT_LOCK);
+ break;
+ }
+
+ tries++;
+
+ if (tries > 5) {
+ DRM_DEBUG_KMS("FDI train 1 fail!\n");
+ break;
+ }
+ }
+
+ /* Train 2 */
+ temp = I915_READ(fdi_tx_reg);
+ temp &= ~FDI_LINK_TRAIN_NONE;
+ temp |= FDI_LINK_TRAIN_PATTERN_2;
+ I915_WRITE(fdi_tx_reg, temp);
+
+ temp = I915_READ(fdi_rx_reg);
+ temp &= ~FDI_LINK_TRAIN_NONE;
+ temp |= FDI_LINK_TRAIN_PATTERN_2;
+ I915_WRITE(fdi_rx_reg, temp);
+ udelay(150);
+
+ tries = 0;
+
+ for (;;) {
+ temp = I915_READ(fdi_rx_iir_reg);
+ DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp);
+
+ if (temp & FDI_RX_SYMBOL_LOCK) {
+ I915_WRITE(fdi_rx_iir_reg,
+ temp | FDI_RX_SYMBOL_LOCK);
+ DRM_DEBUG_KMS("FDI train 2 done.\n");
+ break;
+ }
+
+ tries++;
+
+ if (tries > 5) {
+ DRM_DEBUG_KMS("FDI train 2 fail!\n");
+ break;
+ }
+ }
+
+ DRM_DEBUG_KMS("FDI train done\n");
+}
+
+static int snb_b_fdi_train_param [] = {
+ FDI_LINK_TRAIN_400MV_0DB_SNB_B,
+ FDI_LINK_TRAIN_400MV_6DB_SNB_B,
+ FDI_LINK_TRAIN_600MV_3_5DB_SNB_B,
+ FDI_LINK_TRAIN_800MV_0DB_SNB_B,
+};
+
+/* The FDI link training functions for SNB/Cougarpoint. */
+static void gen6_fdi_link_train(struct drm_crtc *crtc)
+{
+ struct drm_device *dev = crtc->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+ int pipe = intel_crtc->pipe;
+ int fdi_tx_reg = (pipe == 0) ? FDI_TXA_CTL : FDI_TXB_CTL;
+ int fdi_rx_reg = (pipe == 0) ? FDI_RXA_CTL : FDI_RXB_CTL;
+ int fdi_rx_iir_reg = (pipe == 0) ? FDI_RXA_IIR : FDI_RXB_IIR;
+ int fdi_rx_imr_reg = (pipe == 0) ? FDI_RXA_IMR : FDI_RXB_IMR;
+ u32 temp, i;
+
+ /* enable CPU FDI TX and PCH FDI RX */
+ temp = I915_READ(fdi_tx_reg);
+ temp |= FDI_TX_ENABLE;
+ temp &= ~(7 << 19);
+ temp |= (intel_crtc->fdi_lanes - 1) << 19;
+ temp &= ~FDI_LINK_TRAIN_NONE;
+ temp |= FDI_LINK_TRAIN_PATTERN_1;
+ temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK;
+ /* SNB-B */
+ temp |= FDI_LINK_TRAIN_400MV_0DB_SNB_B;
+ I915_WRITE(fdi_tx_reg, temp);
+ I915_READ(fdi_tx_reg);
+
+ temp = I915_READ(fdi_rx_reg);
+ if (HAS_PCH_CPT(dev)) {
+ temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT;
+ temp |= FDI_LINK_TRAIN_PATTERN_1_CPT;
+ } else {
+ temp &= ~FDI_LINK_TRAIN_NONE;
+ temp |= FDI_LINK_TRAIN_PATTERN_1;
+ }
+ I915_WRITE(fdi_rx_reg, temp | FDI_RX_ENABLE);
+ I915_READ(fdi_rx_reg);
+ udelay(150);
+
+ /* Train 1: umask FDI RX Interrupt symbol_lock and bit_lock bit
+ for train result */
+ temp = I915_READ(fdi_rx_imr_reg);
+ temp &= ~FDI_RX_SYMBOL_LOCK;
+ temp &= ~FDI_RX_BIT_LOCK;
+ I915_WRITE(fdi_rx_imr_reg, temp);
+ I915_READ(fdi_rx_imr_reg);
+ udelay(150);
+
+ for (i = 0; i < 4; i++ ) {
+ temp = I915_READ(fdi_tx_reg);
+ temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK;
+ temp |= snb_b_fdi_train_param[i];
+ I915_WRITE(fdi_tx_reg, temp);
+ udelay(500);
+
+ temp = I915_READ(fdi_rx_iir_reg);
+ DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp);
+
+ if (temp & FDI_RX_BIT_LOCK) {
+ I915_WRITE(fdi_rx_iir_reg,
+ temp | FDI_RX_BIT_LOCK);
+ DRM_DEBUG_KMS("FDI train 1 done.\n");
+ break;
+ }
+ }
+ if (i == 4)
+ DRM_DEBUG_KMS("FDI train 1 fail!\n");
+
+ /* Train 2 */
+ temp = I915_READ(fdi_tx_reg);
+ temp &= ~FDI_LINK_TRAIN_NONE;
+ temp |= FDI_LINK_TRAIN_PATTERN_2;
+ if (IS_GEN6(dev)) {
+ temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK;
+ /* SNB-B */
+ temp |= FDI_LINK_TRAIN_400MV_0DB_SNB_B;
+ }
+ I915_WRITE(fdi_tx_reg, temp);
+
+ temp = I915_READ(fdi_rx_reg);
+ if (HAS_PCH_CPT(dev)) {
+ temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT;
+ temp |= FDI_LINK_TRAIN_PATTERN_2_CPT;
+ } else {
+ temp &= ~FDI_LINK_TRAIN_NONE;
+ temp |= FDI_LINK_TRAIN_PATTERN_2;
+ }
+ I915_WRITE(fdi_rx_reg, temp);
+ udelay(150);
+
+ for (i = 0; i < 4; i++ ) {
+ temp = I915_READ(fdi_tx_reg);
+ temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK;
+ temp |= snb_b_fdi_train_param[i];
+ I915_WRITE(fdi_tx_reg, temp);
+ udelay(500);
+
+ temp = I915_READ(fdi_rx_iir_reg);
+ DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp);
+
+ if (temp & FDI_RX_SYMBOL_LOCK) {
+ I915_WRITE(fdi_rx_iir_reg,
+ temp | FDI_RX_SYMBOL_LOCK);
+ DRM_DEBUG_KMS("FDI train 2 done.\n");
+ break;
+ }
+ }
+ if (i == 4)
+ DRM_DEBUG_KMS("FDI train 2 fail!\n");
+
+ DRM_DEBUG_KMS("FDI train done.\n");
+}
+
static void ironlake_crtc_dpms(struct drm_crtc *crtc, int mode)
{
struct drm_device *dev = crtc->dev;
@@ -1523,8 +1741,6 @@ static void ironlake_crtc_dpms(struct drm_crtc *crtc, int mode)
int dspbase_reg = (plane == 0) ? DSPAADDR : DSPBADDR;
int fdi_tx_reg = (pipe == 0) ? FDI_TXA_CTL : FDI_TXB_CTL;
int fdi_rx_reg = (pipe == 0) ? FDI_RXA_CTL : FDI_RXB_CTL;
- int fdi_rx_iir_reg = (pipe == 0) ? FDI_RXA_IIR : FDI_RXB_IIR;
- int fdi_rx_imr_reg = (pipe == 0) ? FDI_RXA_IMR : FDI_RXB_IMR;
int transconf_reg = (pipe == 0) ? TRANSACONF : TRANSBCONF;
int pf_ctl_reg = (pipe == 0) ? PFA_CTL_1 : PFB_CTL_1;
int pf_win_size = (pipe == 0) ? PFA_WIN_SZ : PFB_WIN_SZ;
@@ -1541,8 +1757,9 @@ static void ironlake_crtc_dpms(struct drm_crtc *crtc, int mode)
int trans_vtot_reg = (pipe == 0) ? TRANS_VTOTAL_A : TRANS_VTOTAL_B;
int trans_vblank_reg = (pipe == 0) ? TRANS_VBLANK_A : TRANS_VBLANK_B;
int trans_vsync_reg = (pipe == 0) ? TRANS_VSYNC_A : TRANS_VSYNC_B;
+ int trans_dpll_sel = (pipe == 0) ? 0 : 1;
u32 temp;
- int tries = 5, j, n;
+ int n;
u32 pipe_bpc;
temp = I915_READ(pipeconf_reg);
@@ -1569,12 +1786,6 @@ static void ironlake_crtc_dpms(struct drm_crtc *crtc, int mode)
/* enable eDP PLL */
ironlake_enable_pll_edp(crtc);
} else {
- /* enable PCH DPLL */
- temp = I915_READ(pch_dpll_reg);
- if ((temp & DPLL_VCO_ENABLE) == 0) {
- I915_WRITE(pch_dpll_reg, temp | DPLL_VCO_ENABLE);
- I915_READ(pch_dpll_reg);
- }
/* enable PCH FDI RX PLL, wait warmup plus DMI latency */
temp = I915_READ(fdi_rx_reg);
@@ -1584,9 +1795,15 @@ static void ironlake_crtc_dpms(struct drm_crtc *crtc, int mode)
*/
temp &= ~(0x7 << 16);
temp |= (pipe_bpc << 11);
- I915_WRITE(fdi_rx_reg, temp | FDI_RX_PLL_ENABLE |
- FDI_SEL_PCDCLK |
- FDI_DP_PORT_WIDTH_X4); /* default 4 lanes */
+ temp &= ~(7 << 19);
+ temp |= (intel_crtc->fdi_lanes - 1) << 19;
+ I915_WRITE(fdi_rx_reg, temp | FDI_RX_PLL_ENABLE);
+ I915_READ(fdi_rx_reg);
+ udelay(200);
+
+ /* Switch from Rawclk to PCDclk */
+ temp = I915_READ(fdi_rx_reg);
+ I915_WRITE(fdi_rx_reg, temp | FDI_SEL_PCDCLK);
I915_READ(fdi_rx_reg);
udelay(200);
@@ -1629,91 +1846,32 @@ static void ironlake_crtc_dpms(struct drm_crtc *crtc, int mode)
}
if (!HAS_eDP) {
- /* enable CPU FDI TX and PCH FDI RX */
- temp = I915_READ(fdi_tx_reg);
- temp |= FDI_TX_ENABLE;
- temp |= FDI_DP_PORT_WIDTH_X4; /* default */
- temp &= ~FDI_LINK_TRAIN_NONE;
- temp |= FDI_LINK_TRAIN_PATTERN_1;
- I915_WRITE(fdi_tx_reg, temp);
- I915_READ(fdi_tx_reg);
-
- temp = I915_READ(fdi_rx_reg);
- temp &= ~FDI_LINK_TRAIN_NONE;
- temp |= FDI_LINK_TRAIN_PATTERN_1;
- I915_WRITE(fdi_rx_reg, temp | FDI_RX_ENABLE);
- I915_READ(fdi_rx_reg);
-
- udelay(150);
-
- /* Train FDI. */
- /* umask FDI RX Interrupt symbol_lock and bit_lock bit
- for train result */
- temp = I915_READ(fdi_rx_imr_reg);
- temp &= ~FDI_RX_SYMBOL_LOCK;
- temp &= ~FDI_RX_BIT_LOCK;
- I915_WRITE(fdi_rx_imr_reg, temp);
- I915_READ(fdi_rx_imr_reg);
- udelay(150);
+ /* For PCH output, training FDI link */
+ if (IS_GEN6(dev))
+ gen6_fdi_link_train(crtc);
+ else
+ ironlake_fdi_link_train(crtc);
- temp = I915_READ(fdi_rx_iir_reg);
- DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp);
-
- if ((temp & FDI_RX_BIT_LOCK) == 0) {
- for (j = 0; j < tries; j++) {
- temp = I915_READ(fdi_rx_iir_reg);
- DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n",
- temp);
- if (temp & FDI_RX_BIT_LOCK)
- break;
- udelay(200);
- }
- if (j != tries)
- I915_WRITE(fdi_rx_iir_reg,
- temp | FDI_RX_BIT_LOCK);
- else
- DRM_DEBUG_KMS("train 1 fail\n");
- } else {
- I915_WRITE(fdi_rx_iir_reg,
- temp | FDI_RX_BIT_LOCK);
- DRM_DEBUG_KMS("train 1 ok 2!\n");
+ /* enable PCH DPLL */
+ temp = I915_READ(pch_dpll_reg);
+ if ((temp & DPLL_VCO_ENABLE) == 0) {
+ I915_WRITE(pch_dpll_reg, temp | DPLL_VCO_ENABLE);
+ I915_READ(pch_dpll_reg);
}
- temp = I915_READ(fdi_tx_reg);
- temp &= ~FDI_LINK_TRAIN_NONE;
- temp |= FDI_LINK_TRAIN_PATTERN_2;
- I915_WRITE(fdi_tx_reg, temp);
-
- temp = I915_READ(fdi_rx_reg);
- temp &= ~FDI_LINK_TRAIN_NONE;
- temp |= FDI_LINK_TRAIN_PATTERN_2;
- I915_WRITE(fdi_rx_reg, temp);
-
- udelay(150);
+ udelay(200);
- temp = I915_READ(fdi_rx_iir_reg);
- DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp);
-
- if ((temp & FDI_RX_SYMBOL_LOCK) == 0) {
- for (j = 0; j < tries; j++) {
- temp = I915_READ(fdi_rx_iir_reg);
- DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n",
- temp);
- if (temp & FDI_RX_SYMBOL_LOCK)
- break;
- udelay(200);
- }
- if (j != tries) {
- I915_WRITE(fdi_rx_iir_reg,
- temp | FDI_RX_SYMBOL_LOCK);
- DRM_DEBUG_KMS("train 2 ok 1!\n");
- } else
- DRM_DEBUG_KMS("train 2 fail\n");
- } else {
- I915_WRITE(fdi_rx_iir_reg,
- temp | FDI_RX_SYMBOL_LOCK);
- DRM_DEBUG_KMS("train 2 ok 2!\n");
+ if (HAS_PCH_CPT(dev)) {
+ /* Be sure PCH DPLL SEL is set */
+ temp = I915_READ(PCH_DPLL_SEL);
+ if (trans_dpll_sel == 0 &&
+ (temp & TRANSA_DPLL_ENABLE) == 0)
+ temp |= (TRANSA_DPLL_ENABLE | TRANSA_DPLLA_SEL);
+ else if (trans_dpll_sel == 1 &&
+ (temp & TRANSB_DPLL_ENABLE) == 0)
+ temp |= (TRANSB_DPLL_ENABLE | TRANSB_DPLLB_SEL);
+ I915_WRITE(PCH_DPLL_SEL, temp);
+ I915_READ(PCH_DPLL_SEL);
}
- DRM_DEBUG_KMS("train done\n");
/* set transcoder timing */
I915_WRITE(trans_htot_reg, I915_READ(cpu_htot_reg));
@@ -1724,6 +1882,60 @@ static void ironlake_crtc_dpms(struct drm_crtc *crtc, int mode)
I915_WRITE(trans_vblank_reg, I915_READ(cpu_vblank_reg));
I915_WRITE(trans_vsync_reg, I915_READ(cpu_vsync_reg));
+ /* enable normal train */
+ temp = I915_READ(fdi_tx_reg);
+ temp &= ~FDI_LINK_TRAIN_NONE;
+ I915_WRITE(fdi_tx_reg, temp | FDI_LINK_TRAIN_NONE |
+ FDI_TX_ENHANCE_FRAME_ENABLE);
+ I915_READ(fdi_tx_reg);
+
+ temp = I915_READ(fdi_rx_reg);
+ if (HAS_PCH_CPT(dev)) {
+ temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT;
+ temp |= FDI_LINK_TRAIN_NORMAL_CPT;
+ } else {
+ temp &= ~FDI_LINK_TRAIN_NONE;
+ temp |= FDI_LINK_TRAIN_NONE;
+ }
+ I915_WRITE(fdi_rx_reg, temp | FDI_RX_ENHANCE_FRAME_ENABLE);
+ I915_READ(fdi_rx_reg);
+
+ /* wait one idle pattern time */
+ udelay(100);
+
+ /* For PCH DP, enable TRANS_DP_CTL */
+ if (HAS_PCH_CPT(dev) &&
+ intel_pipe_has_type(crtc, INTEL_OUTPUT_DISPLAYPORT)) {
+ int trans_dp_ctl = (pipe == 0) ? TRANS_DP_CTL_A : TRANS_DP_CTL_B;
+ int reg;
+
+ reg = I915_READ(trans_dp_ctl);
+ reg &= ~TRANS_DP_PORT_SEL_MASK;
+ reg = TRANS_DP_OUTPUT_ENABLE |
+ TRANS_DP_ENH_FRAMING |
+ TRANS_DP_VSYNC_ACTIVE_HIGH |
+ TRANS_DP_HSYNC_ACTIVE_HIGH;
+
+ switch (intel_trans_dp_port_sel(crtc)) {
+ case PCH_DP_B:
+ reg |= TRANS_DP_PORT_SEL_B;
+ break;
+ case PCH_DP_C:
+ reg |= TRANS_DP_PORT_SEL_C;
+ break;
+ case PCH_DP_D:
+ reg |= TRANS_DP_PORT_SEL_D;
+ break;
+ default:
+ DRM_DEBUG_KMS("Wrong PCH DP port return. Guess port B\n");
+ reg |= TRANS_DP_PORT_SEL_B;
+ break;
+ }
+
+ I915_WRITE(trans_dp_ctl, reg);
+ POSTING_READ(trans_dp_ctl);
+ }
+
/* enable PCH transcoder */
temp = I915_READ(transconf_reg);
/*
@@ -1738,23 +1950,6 @@ static void ironlake_crtc_dpms(struct drm_crtc *crtc, int mode)
while ((I915_READ(transconf_reg) & TRANS_STATE_ENABLE) == 0)
;
- /* enable normal */
-
- temp = I915_READ(fdi_tx_reg);
- temp &= ~FDI_LINK_TRAIN_NONE;
- I915_WRITE(fdi_tx_reg, temp | FDI_LINK_TRAIN_NONE |
- FDI_TX_ENHANCE_FRAME_ENABLE);
- I915_READ(fdi_tx_reg);
-
- temp = I915_READ(fdi_rx_reg);
- temp &= ~FDI_LINK_TRAIN_NONE;
- I915_WRITE(fdi_rx_reg, temp | FDI_LINK_TRAIN_NONE |
- FDI_RX_ENHANCE_FRAME_ENABLE);
- I915_READ(fdi_rx_reg);
-
- /* wait one idle pattern time */
- udelay(100);
-
}
intel_crtc_load_lut(crtc);
@@ -1805,6 +2000,8 @@ static void ironlake_crtc_dpms(struct drm_crtc *crtc, int mode)
I915_READ(pf_ctl_reg);
}
I915_WRITE(pf_win_size, 0);
+ POSTING_READ(pf_win_size);
+
/* disable CPU FDI tx and PCH FDI rx */
temp = I915_READ(fdi_tx_reg);
@@ -1825,11 +2022,18 @@ static void ironlake_crtc_dpms(struct drm_crtc *crtc, int mode)
temp &= ~FDI_LINK_TRAIN_NONE;
temp |= FDI_LINK_TRAIN_PATTERN_1;
I915_WRITE(fdi_tx_reg, temp);
+ POSTING_READ(fdi_tx_reg);
temp = I915_READ(fdi_rx_reg);
- temp &= ~FDI_LINK_TRAIN_NONE;
- temp |= FDI_LINK_TRAIN_PATTERN_1;
+ if (HAS_PCH_CPT(dev)) {
+ temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT;
+ temp |= FDI_LINK_TRAIN_PATTERN_1_CPT;
+ } else {
+ temp &= ~FDI_LINK_TRAIN_NONE;
+ temp |= FDI_LINK_TRAIN_PATTERN_1;
+ }
I915_WRITE(fdi_rx_reg, temp);
+ POSTING_READ(fdi_rx_reg);
udelay(100);
@@ -1859,6 +2063,7 @@ static void ironlake_crtc_dpms(struct drm_crtc *crtc, int mode)
}
}
}
+
temp = I915_READ(transconf_reg);
/* BPC in transcoder is consistent with that in pipeconf */
temp &= ~PIPE_BPC_MASK;
@@ -1867,35 +2072,53 @@ static void ironlake_crtc_dpms(struct drm_crtc *crtc, int mode)
I915_READ(transconf_reg);
udelay(100);
+ if (HAS_PCH_CPT(dev)) {
+ /* disable TRANS_DP_CTL */
+ int trans_dp_ctl = (pipe == 0) ? TRANS_DP_CTL_A : TRANS_DP_CTL_B;
+ int reg;
+
+ reg = I915_READ(trans_dp_ctl);
+ reg &= ~(TRANS_DP_OUTPUT_ENABLE | TRANS_DP_PORT_SEL_MASK);
+ I915_WRITE(trans_dp_ctl, reg);
+ POSTING_READ(trans_dp_ctl);
+
+ /* disable DPLL_SEL */
+ temp = I915_READ(PCH_DPLL_SEL);
+ if (trans_dpll_sel == 0)
+ temp &= ~(TRANSA_DPLL_ENABLE | TRANSA_DPLLB_SEL);
+ else
+ temp &= ~(TRANSB_DPLL_ENABLE | TRANSB_DPLLB_SEL);
+ I915_WRITE(PCH_DPLL_SEL, temp);
+ I915_READ(PCH_DPLL_SEL);
+
+ }
+
/* disable PCH DPLL */
temp = I915_READ(pch_dpll_reg);
- if ((temp & DPLL_VCO_ENABLE) != 0) {
- I915_WRITE(pch_dpll_reg, temp & ~DPLL_VCO_ENABLE);
- I915_READ(pch_dpll_reg);
- }
+ I915_WRITE(pch_dpll_reg, temp & ~DPLL_VCO_ENABLE);
+ I915_READ(pch_dpll_reg);
if (HAS_eDP) {
ironlake_disable_pll_edp(crtc);
}
+ /* Switch from PCDclk to Rawclk */
temp = I915_READ(fdi_rx_reg);
temp &= ~FDI_SEL_PCDCLK;
I915_WRITE(fdi_rx_reg, temp);
I915_READ(fdi_rx_reg);
+ /* Disable CPU FDI TX PLL */
+ temp = I915_READ(fdi_tx_reg);
+ I915_WRITE(fdi_tx_reg, temp & ~FDI_TX_PLL_ENABLE);
+ I915_READ(fdi_tx_reg);
+ udelay(100);
+
temp = I915_READ(fdi_rx_reg);
temp &= ~FDI_RX_PLL_ENABLE;
I915_WRITE(fdi_rx_reg, temp);
I915_READ(fdi_rx_reg);
- /* Disable CPU FDI TX PLL */
- temp = I915_READ(fdi_tx_reg);
- if ((temp & FDI_TX_PLL_ENABLE) != 0) {
- I915_WRITE(fdi_tx_reg, temp & ~FDI_TX_PLL_ENABLE);
- I915_READ(fdi_tx_reg);
- udelay(100);
- }
-
/* Wait for the clocks to turn off. */
udelay(100);
break;
@@ -2331,6 +2554,30 @@ static struct intel_watermark_params i830_wm_info = {
I830_FIFO_LINE_SIZE
};
+static struct intel_watermark_params ironlake_display_wm_info = {
+ ILK_DISPLAY_FIFO,
+ ILK_DISPLAY_MAXWM,
+ ILK_DISPLAY_DFTWM,
+ 2,
+ ILK_FIFO_LINE_SIZE
+};
+
+static struct intel_watermark_params ironlake_display_srwm_info = {
+ ILK_DISPLAY_SR_FIFO,
+ ILK_DISPLAY_MAX_SRWM,
+ ILK_DISPLAY_DFT_SRWM,
+ 2,
+ ILK_FIFO_LINE_SIZE
+};
+
+static struct intel_watermark_params ironlake_cursor_srwm_info = {
+ ILK_CURSOR_SR_FIFO,
+ ILK_CURSOR_MAX_SRWM,
+ ILK_CURSOR_DFT_SRWM,
+ 2,
+ ILK_FIFO_LINE_SIZE
+};
+
/**
* intel_calculate_wm - calculate watermark level
* @clock_in_khz: pixel clock
@@ -2449,66 +2696,6 @@ static void pineview_disable_cxsr(struct drm_device *dev)
DRM_INFO("Big FIFO is disabled\n");
}
-static void pineview_enable_cxsr(struct drm_device *dev, unsigned long clock,
- int pixel_size)
-{
- struct drm_i915_private *dev_priv = dev->dev_private;
- u32 reg;
- unsigned long wm;
- struct cxsr_latency *latency;
-
- latency = intel_get_cxsr_latency(IS_PINEVIEW_G(dev), dev_priv->fsb_freq,
- dev_priv->mem_freq);
- if (!latency) {
- DRM_DEBUG_KMS("Unknown FSB/MEM found, disable CxSR\n");
- pineview_disable_cxsr(dev);
- return;
- }
-
- /* Display SR */
- wm = intel_calculate_wm(clock, &pineview_display_wm, pixel_size,
- latency->display_sr);
- reg = I915_READ(DSPFW1);
- reg &= 0x7fffff;
- reg |= wm << 23;
- I915_WRITE(DSPFW1, reg);
- DRM_DEBUG_KMS("DSPFW1 register is %x\n", reg);
-
- /* cursor SR */
- wm = intel_calculate_wm(clock, &pineview_cursor_wm, pixel_size,
- latency->cursor_sr);
- reg = I915_READ(DSPFW3);
- reg &= ~(0x3f << 24);
- reg |= (wm & 0x3f) << 24;
- I915_WRITE(DSPFW3, reg);
-
- /* Display HPLL off SR */
- wm = intel_calculate_wm(clock, &pineview_display_hplloff_wm,
- latency->display_hpll_disable, I915_FIFO_LINE_SIZE);
- reg = I915_READ(DSPFW3);
- reg &= 0xfffffe00;
- reg |= wm & 0x1ff;
- I915_WRITE(DSPFW3, reg);
-
- /* cursor HPLL off SR */
- wm = intel_calculate_wm(clock, &pineview_cursor_hplloff_wm, pixel_size,
- latency->cursor_hpll_disable);
- reg = I915_READ(DSPFW3);
- reg &= ~(0x3f << 16);
- reg |= (wm & 0x3f) << 16;
- I915_WRITE(DSPFW3, reg);
- DRM_DEBUG_KMS("DSPFW3 register is %x\n", reg);
-
- /* activate cxsr */
- reg = I915_READ(DSPFW3);
- reg |= PINEVIEW_SELF_REFRESH_EN;
- I915_WRITE(DSPFW3, reg);
-
- DRM_INFO("Big FIFO is enabled\n");
-
- return;
-}
-
/*
* Latency for FIFO fetches is dependent on several factors:
* - memory configuration (speed, channels)
@@ -2593,6 +2780,71 @@ static int i830_get_fifo_size(struct drm_device *dev, int plane)
return size;
}
+static void pineview_update_wm(struct drm_device *dev, int planea_clock,
+ int planeb_clock, int sr_hdisplay, int pixel_size)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ u32 reg;
+ unsigned long wm;
+ struct cxsr_latency *latency;
+ int sr_clock;
+
+ latency = intel_get_cxsr_latency(IS_PINEVIEW_G(dev), dev_priv->fsb_freq,
+ dev_priv->mem_freq);
+ if (!latency) {
+ DRM_DEBUG_KMS("Unknown FSB/MEM found, disable CxSR\n");
+ pineview_disable_cxsr(dev);
+ return;
+ }
+
+ if (!planea_clock || !planeb_clock) {
+ sr_clock = planea_clock ? planea_clock : planeb_clock;
+
+ /* Display SR */
+ wm = intel_calculate_wm(sr_clock, &pineview_display_wm,
+ pixel_size, latency->display_sr);
+ reg = I915_READ(DSPFW1);
+ reg &= ~DSPFW_SR_MASK;
+ reg |= wm << DSPFW_SR_SHIFT;
+ I915_WRITE(DSPFW1, reg);
+ DRM_DEBUG_KMS("DSPFW1 register is %x\n", reg);
+
+ /* cursor SR */
+ wm = intel_calculate_wm(sr_clock, &pineview_cursor_wm,
+ pixel_size, latency->cursor_sr);
+ reg = I915_READ(DSPFW3);
+ reg &= ~DSPFW_CURSOR_SR_MASK;
+ reg |= (wm & 0x3f) << DSPFW_CURSOR_SR_SHIFT;
+ I915_WRITE(DSPFW3, reg);
+
+ /* Display HPLL off SR */
+ wm = intel_calculate_wm(sr_clock, &pineview_display_hplloff_wm,
+ pixel_size, latency->display_hpll_disable);
+ reg = I915_READ(DSPFW3);
+ reg &= ~DSPFW_HPLL_SR_MASK;
+ reg |= wm & DSPFW_HPLL_SR_MASK;
+ I915_WRITE(DSPFW3, reg);
+
+ /* cursor HPLL off SR */
+ wm = intel_calculate_wm(sr_clock, &pineview_cursor_hplloff_wm,
+ pixel_size, latency->cursor_hpll_disable);
+ reg = I915_READ(DSPFW3);
+ reg &= ~DSPFW_HPLL_CURSOR_MASK;
+ reg |= (wm & 0x3f) << DSPFW_HPLL_CURSOR_SHIFT;
+ I915_WRITE(DSPFW3, reg);
+ DRM_DEBUG_KMS("DSPFW3 register is %x\n", reg);
+
+ /* activate cxsr */
+ reg = I915_READ(DSPFW3);
+ reg |= PINEVIEW_SELF_REFRESH_EN;
+ I915_WRITE(DSPFW3, reg);
+ DRM_DEBUG_KMS("Self-refresh is enabled\n");
+ } else {
+ pineview_disable_cxsr(dev);
+ DRM_DEBUG_KMS("Self-refresh is disabled\n");
+ }
+}
+
static void g4x_update_wm(struct drm_device *dev, int planea_clock,
int planeb_clock, int sr_hdisplay, int pixel_size)
{
@@ -2813,6 +3065,108 @@ static void i830_update_wm(struct drm_device *dev, int planea_clock, int unused,
I915_WRITE(FW_BLC, fwater_lo);
}
+#define ILK_LP0_PLANE_LATENCY 700
+
+static void ironlake_update_wm(struct drm_device *dev, int planea_clock,
+ int planeb_clock, int sr_hdisplay, int pixel_size)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ int planea_wm, planeb_wm, cursora_wm, cursorb_wm;
+ int sr_wm, cursor_wm;
+ unsigned long line_time_us;
+ int sr_clock, entries_required;
+ u32 reg_value;
+
+ /* Calculate and update the watermark for plane A */
+ if (planea_clock) {
+ entries_required = ((planea_clock / 1000) * pixel_size *
+ ILK_LP0_PLANE_LATENCY) / 1000;
+ entries_required = DIV_ROUND_UP(entries_required,
+ ironlake_display_wm_info.cacheline_size);
+ planea_wm = entries_required +
+ ironlake_display_wm_info.guard_size;
+
+ if (planea_wm > (int)ironlake_display_wm_info.max_wm)
+ planea_wm = ironlake_display_wm_info.max_wm;
+
+ cursora_wm = 16;
+ reg_value = I915_READ(WM0_PIPEA_ILK);
+ reg_value &= ~(WM0_PIPE_PLANE_MASK | WM0_PIPE_CURSOR_MASK);
+ reg_value |= (planea_wm << WM0_PIPE_PLANE_SHIFT) |
+ (cursora_wm & WM0_PIPE_CURSOR_MASK);
+ I915_WRITE(WM0_PIPEA_ILK, reg_value);
+ DRM_DEBUG_KMS("FIFO watermarks For pipe A - plane %d, "
+ "cursor: %d\n", planea_wm, cursora_wm);
+ }
+ /* Calculate and update the watermark for plane B */
+ if (planeb_clock) {
+ entries_required = ((planeb_clock / 1000) * pixel_size *
+ ILK_LP0_PLANE_LATENCY) / 1000;
+ entries_required = DIV_ROUND_UP(entries_required,
+ ironlake_display_wm_info.cacheline_size);
+ planeb_wm = entries_required +
+ ironlake_display_wm_info.guard_size;
+
+ if (planeb_wm > (int)ironlake_display_wm_info.max_wm)
+ planeb_wm = ironlake_display_wm_info.max_wm;
+
+ cursorb_wm = 16;
+ reg_value = I915_READ(WM0_PIPEB_ILK);
+ reg_value &= ~(WM0_PIPE_PLANE_MASK | WM0_PIPE_CURSOR_MASK);
+ reg_value |= (planeb_wm << WM0_PIPE_PLANE_SHIFT) |
+ (cursorb_wm & WM0_PIPE_CURSOR_MASK);
+ I915_WRITE(WM0_PIPEB_ILK, reg_value);
+ DRM_DEBUG_KMS("FIFO watermarks For pipe B - plane %d, "
+ "cursor: %d\n", planeb_wm, cursorb_wm);
+ }
+
+ /*
+ * Calculate and update the self-refresh watermark only when one
+ * display plane is used.
+ */
+ if (!planea_clock || !planeb_clock) {
+ int line_count;
+ /* Read the self-refresh latency. The unit is 0.5us */
+ int ilk_sr_latency = I915_READ(MLTR_ILK) & ILK_SRLT_MASK;
+
+ sr_clock = planea_clock ? planea_clock : planeb_clock;
+ line_time_us = ((sr_hdisplay * 1000) / sr_clock);
+
+ /* Use ns/us then divide to preserve precision */
+ line_count = ((ilk_sr_latency * 500) / line_time_us + 1000)
+ / 1000;
+
+ /* calculate the self-refresh watermark for display plane */
+ entries_required = line_count * sr_hdisplay * pixel_size;
+ entries_required = DIV_ROUND_UP(entries_required,
+ ironlake_display_srwm_info.cacheline_size);
+ sr_wm = entries_required +
+ ironlake_display_srwm_info.guard_size;
+
+ /* calculate the self-refresh watermark for display cursor */
+ entries_required = line_count * pixel_size * 64;
+ entries_required = DIV_ROUND_UP(entries_required,
+ ironlake_cursor_srwm_info.cacheline_size);
+ cursor_wm = entries_required +
+ ironlake_cursor_srwm_info.guard_size;
+
+ /* configure watermark and enable self-refresh */
+ reg_value = I915_READ(WM1_LP_ILK);
+ reg_value &= ~(WM1_LP_LATENCY_MASK | WM1_LP_SR_MASK |
+ WM1_LP_CURSOR_MASK);
+ reg_value |= WM1_LP_SR_EN |
+ (ilk_sr_latency << WM1_LP_LATENCY_SHIFT) |
+ (sr_wm << WM1_LP_SR_SHIFT) | cursor_wm;
+
+ I915_WRITE(WM1_LP_ILK, reg_value);
+ DRM_DEBUG_KMS("self-refresh watermark: display plane %d "
+ "cursor %d\n", sr_wm, cursor_wm);
+
+ } else {
+ /* Turn off self refresh if both pipes are enabled */
+ I915_WRITE(WM1_LP_ILK, I915_READ(WM1_LP_ILK) & ~WM1_LP_SR_EN);
+ }
+}
/**
* intel_update_watermarks - update FIFO watermark values based on current modes
*
@@ -2882,12 +3236,6 @@ static void intel_update_watermarks(struct drm_device *dev)
if (enabled <= 0)
return;
- /* Single plane configs can enable self refresh */
- if (enabled == 1 && IS_PINEVIEW(dev))
- pineview_enable_cxsr(dev, sr_clock, pixel_size);
- else if (IS_PINEVIEW(dev))
- pineview_disable_cxsr(dev);
-
dev_priv->display.update_wm(dev, planea_clock, planeb_clock,
sr_hdisplay, pixel_size);
}
@@ -2924,7 +3272,8 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
bool is_crt = false, is_lvds = false, is_tv = false, is_dp = false;
bool is_edp = false;
struct drm_mode_config *mode_config = &dev->mode_config;
- struct drm_connector *connector;
+ struct drm_encoder *encoder;
+ struct intel_encoder *intel_encoder = NULL;
const intel_limit_t *limit;
int ret;
struct fdi_m_n m_n = {0};
@@ -2935,6 +3284,8 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
int pch_fp_reg = (pipe == 0) ? PCH_FPA0 : PCH_FPB0;
int pch_dpll_reg = (pipe == 0) ? PCH_DPLL_A : PCH_DPLL_B;
int fdi_rx_reg = (pipe == 0) ? FDI_RXA_CTL : FDI_RXB_CTL;
+ int fdi_tx_reg = (pipe == 0) ? FDI_TXA_CTL : FDI_TXB_CTL;
+ int trans_dpll_sel = (pipe == 0) ? 0 : 1;
int lvds_reg = LVDS;
u32 temp;
int sdvo_pixel_multiply;
@@ -2942,12 +3293,13 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
drm_vblank_pre_modeset(dev, pipe);
- list_for_each_entry(connector, &mode_config->connector_list, head) {
- struct intel_encoder *intel_encoder = to_intel_encoder(connector);
+ list_for_each_entry(encoder, &mode_config->encoder_list, head) {
- if (!connector->encoder || connector->encoder->crtc != crtc)
+ if (!encoder || encoder->crtc != crtc)
continue;
+ intel_encoder = enc_to_intel_encoder(encoder);
+
switch (intel_encoder->type) {
case INTEL_OUTPUT_LVDS:
is_lvds = true;
@@ -3043,14 +3395,12 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
/* FDI link */
if (HAS_PCH_SPLIT(dev)) {
- int lane, link_bw, bpp;
+ int lane = 0, link_bw, bpp;
/* eDP doesn't require FDI link, so just set DP M/N
according to current link config */
if (is_edp) {
- struct drm_connector *edp;
target_clock = mode->clock;
- edp = intel_pipe_get_connector(crtc);
- intel_edp_link_config(to_intel_encoder(edp),
+ intel_edp_link_config(intel_encoder,
&lane, &link_bw);
} else {
/* DP over FDI requires target mode clock
@@ -3059,7 +3409,6 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
target_clock = mode->clock;
else
target_clock = adjusted_mode->clock;
- lane = 4;
link_bw = 270000;
}
@@ -3111,6 +3460,18 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
bpp = 24;
}
+ if (!lane) {
+ /*
+ * Account for spread spectrum to avoid
+ * oversubscribing the link. Max center spread
+ * is 2.5%; use 5% for safety's sake.
+ */
+ u32 bps = target_clock * bpp * 21 / 20;
+ lane = bps / (link_bw * 8) + 1;
+ }
+
+ intel_crtc->fdi_lanes = lane;
+
ironlake_compute_m_n(bpp, lane, target_clock, link_bw, &m_n);
}
@@ -3265,11 +3626,6 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
pipeconf &= ~PIPEACONF_DOUBLE_WIDE;
}
- dspcntr |= DISPLAY_PLANE_ENABLE;
- pipeconf |= PIPEACONF_ENABLE;
- dpll |= DPLL_VCO_ENABLE;
-
-
/* Disable the panel fitter if it was on our pipe */
if (!HAS_PCH_SPLIT(dev) && intel_panel_fitter_pipe(dev) == pipe)
I915_WRITE(PFIT_CONTROL, 0);
@@ -3292,6 +3648,18 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
udelay(150);
}
+ /* enable transcoder DPLL */
+ if (HAS_PCH_CPT(dev)) {
+ temp = I915_READ(PCH_DPLL_SEL);
+ if (trans_dpll_sel == 0)
+ temp |= (TRANSA_DPLL_ENABLE | TRANSA_DPLLA_SEL);
+ else
+ temp |= (TRANSB_DPLL_ENABLE | TRANSB_DPLLB_SEL);
+ I915_WRITE(PCH_DPLL_SEL, temp);
+ I915_READ(PCH_DPLL_SEL);
+ udelay(150);
+ }
+
/* The LVDS pin pair needs to be on before the DPLLs are enabled.
* This is an exception to the general rule that mode_set doesn't turn
* things on.
@@ -3303,7 +3671,18 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
lvds_reg = PCH_LVDS;
lvds = I915_READ(lvds_reg);
- lvds |= LVDS_PORT_EN | LVDS_A0A2_CLKA_POWER_UP | LVDS_PIPEB_SELECT;
+ lvds |= LVDS_PORT_EN | LVDS_A0A2_CLKA_POWER_UP;
+ if (pipe == 1) {
+ if (HAS_PCH_CPT(dev))
+ lvds |= PORT_TRANS_B_SEL_CPT;
+ else
+ lvds |= LVDS_PIPEB_SELECT;
+ } else {
+ if (HAS_PCH_CPT(dev))
+ lvds &= ~PORT_TRANS_SEL_MASK;
+ else
+ lvds &= ~LVDS_PIPEB_SELECT;
+ }
/* set the corresponsding LVDS_BORDER bit */
lvds |= dev_priv->lvds_border_bits;
/* Set the B0-B3 data pairs corresponding to whether we're going to
@@ -3321,14 +3700,16 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
/* set the dithering flag */
if (IS_I965G(dev)) {
if (dev_priv->lvds_dither) {
- if (HAS_PCH_SPLIT(dev))
+ if (HAS_PCH_SPLIT(dev)) {
pipeconf |= PIPE_ENABLE_DITHER;
- else
+ pipeconf |= PIPE_DITHER_TYPE_ST01;
+ } else
lvds |= LVDS_ENABLE_DITHER;
} else {
- if (HAS_PCH_SPLIT(dev))
+ if (HAS_PCH_SPLIT(dev)) {
pipeconf &= ~PIPE_ENABLE_DITHER;
- else
+ pipeconf &= ~PIPE_DITHER_TYPE_MASK;
+ } else
lvds &= ~LVDS_ENABLE_DITHER;
}
}
@@ -3337,6 +3718,20 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
}
if (is_dp)
intel_dp_set_m_n(crtc, mode, adjusted_mode);
+ else if (HAS_PCH_SPLIT(dev)) {
+ /* For non-DP output, clear any trans DP clock recovery setting.*/
+ if (pipe == 0) {
+ I915_WRITE(TRANSA_DATA_M1, 0);
+ I915_WRITE(TRANSA_DATA_N1, 0);
+ I915_WRITE(TRANSA_DP_LINK_M1, 0);
+ I915_WRITE(TRANSA_DP_LINK_N1, 0);
+ } else {
+ I915_WRITE(TRANSB_DATA_M1, 0);
+ I915_WRITE(TRANSB_DATA_N1, 0);
+ I915_WRITE(TRANSB_DP_LINK_M1, 0);
+ I915_WRITE(TRANSB_DP_LINK_N1, 0);
+ }
+ }
if (!is_edp) {
I915_WRITE(fp_reg, fp);
@@ -3411,6 +3806,18 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
/* enable FDI RX PLL too */
temp = I915_READ(fdi_rx_reg);
I915_WRITE(fdi_rx_reg, temp | FDI_RX_PLL_ENABLE);
+ I915_READ(fdi_rx_reg);
+ udelay(200);
+
+ /* enable FDI TX PLL too */
+ temp = I915_READ(fdi_tx_reg);
+ I915_WRITE(fdi_tx_reg, temp | FDI_TX_PLL_ENABLE);
+ I915_READ(fdi_tx_reg);
+
+ /* enable FDI RX PCDCLK */
+ temp = I915_READ(fdi_rx_reg);
+ I915_WRITE(fdi_rx_reg, temp | FDI_SEL_PCDCLK);
+ I915_READ(fdi_rx_reg);
udelay(200);
}
}
@@ -3671,6 +4078,7 @@ static struct drm_display_mode load_detect_mode = {
};
struct drm_crtc *intel_get_load_detect_pipe(struct intel_encoder *intel_encoder,
+ struct drm_connector *connector,
struct drm_display_mode *mode,
int *dpms_mode)
{
@@ -3729,7 +4137,7 @@ struct drm_crtc *intel_get_load_detect_pipe(struct intel_encoder *intel_encoder,
}
encoder->crtc = crtc;
- intel_encoder->base.encoder = encoder;
+ connector->encoder = encoder;
intel_encoder->load_detect_temp = true;
intel_crtc = to_intel_crtc(crtc);
@@ -3755,7 +4163,8 @@ struct drm_crtc *intel_get_load_detect_pipe(struct intel_encoder *intel_encoder,
return crtc;
}
-void intel_release_load_detect_pipe(struct intel_encoder *intel_encoder, int dpms_mode)
+void intel_release_load_detect_pipe(struct intel_encoder *intel_encoder,
+ struct drm_connector *connector, int dpms_mode)
{
struct drm_encoder *encoder = &intel_encoder->enc;
struct drm_device *dev = encoder->dev;
@@ -3765,7 +4174,7 @@ void intel_release_load_detect_pipe(struct intel_encoder *intel_encoder, int dpm
if (intel_encoder->load_detect_temp) {
encoder->crtc = NULL;
- intel_encoder->base.encoder = NULL;
+ connector->encoder = NULL;
intel_encoder->load_detect_temp = false;
crtc->enabled = drm_helper_crtc_in_use(crtc);
drm_helper_disable_unused_functions(dev);
@@ -4392,14 +4801,14 @@ struct drm_crtc *intel_get_crtc_from_pipe(struct drm_device *dev, int pipe)
return crtc;
}
-static int intel_connector_clones(struct drm_device *dev, int type_mask)
+static int intel_encoder_clones(struct drm_device *dev, int type_mask)
{
int index_mask = 0;
- struct drm_connector *connector;
+ struct drm_encoder *encoder;
int entry = 0;
- list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
- struct intel_encoder *intel_encoder = to_intel_encoder(connector);
+ list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
+ struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
if (type_mask & intel_encoder->clone_mask)
index_mask |= (1 << entry);
entry++;
@@ -4411,7 +4820,7 @@ static int intel_connector_clones(struct drm_device *dev, int type_mask)
static void intel_setup_outputs(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
- struct drm_connector *connector;
+ struct drm_encoder *encoder;
intel_crt_init(dev);
@@ -4426,9 +4835,8 @@ static void intel_setup_outputs(struct drm_device *dev)
intel_dp_init(dev, DP_A);
if (I915_READ(HDMIB) & PORT_DETECTED) {
- /* check SDVOB */
- /* found = intel_sdvo_init(dev, HDMIB); */
- found = 0;
+ /* PCH SDVOB multiplex with HDMIB */
+ found = intel_sdvo_init(dev, PCH_SDVOB);
if (!found)
intel_hdmi_init(dev, HDMIB);
if (!found && (I915_READ(PCH_DP_B) & DP_DETECTED))
@@ -4494,12 +4902,11 @@ static void intel_setup_outputs(struct drm_device *dev)
if (SUPPORTS_TV(dev))
intel_tv_init(dev);
- list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
- struct intel_encoder *intel_encoder = to_intel_encoder(connector);
- struct drm_encoder *encoder = &intel_encoder->enc;
+ list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
+ struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
encoder->possible_crtcs = intel_encoder->crtc_mask;
- encoder->possible_clones = intel_connector_clones(dev,
+ encoder->possible_clones = intel_encoder_clones(dev,
intel_encoder->clone_mask);
}
}
@@ -4507,10 +4914,6 @@ static void intel_setup_outputs(struct drm_device *dev)
static void intel_user_framebuffer_destroy(struct drm_framebuffer *fb)
{
struct intel_framebuffer *intel_fb = to_intel_framebuffer(fb);
- struct drm_device *dev = fb->dev;
-
- if (fb->fbdev)
- intelfb_remove(dev, fb);
drm_framebuffer_cleanup(fb);
drm_gem_object_unreference_unlocked(intel_fb->obj);
@@ -4533,18 +4936,13 @@ static const struct drm_framebuffer_funcs intel_fb_funcs = {
.create_handle = intel_user_framebuffer_create_handle,
};
-int intel_framebuffer_create(struct drm_device *dev,
- struct drm_mode_fb_cmd *mode_cmd,
- struct drm_framebuffer **fb,
- struct drm_gem_object *obj)
+int intel_framebuffer_init(struct drm_device *dev,
+ struct intel_framebuffer *intel_fb,
+ struct drm_mode_fb_cmd *mode_cmd,
+ struct drm_gem_object *obj)
{
- struct intel_framebuffer *intel_fb;
int ret;
- intel_fb = kzalloc(sizeof(*intel_fb), GFP_KERNEL);
- if (!intel_fb)
- return -ENOMEM;
-
ret = drm_framebuffer_init(dev, &intel_fb->base, &intel_fb_funcs);
if (ret) {
DRM_ERROR("framebuffer init failed %d\n", ret);
@@ -4552,40 +4950,41 @@ int intel_framebuffer_create(struct drm_device *dev,
}
drm_helper_mode_fill_fb_struct(&intel_fb->base, mode_cmd);
-
intel_fb->obj = obj;
-
- *fb = &intel_fb->base;
-
return 0;
}
-
static struct drm_framebuffer *
intel_user_framebuffer_create(struct drm_device *dev,
struct drm_file *filp,
struct drm_mode_fb_cmd *mode_cmd)
{
struct drm_gem_object *obj;
- struct drm_framebuffer *fb;
+ struct intel_framebuffer *intel_fb;
int ret;
obj = drm_gem_object_lookup(dev, filp, mode_cmd->handle);
if (!obj)
return NULL;
- ret = intel_framebuffer_create(dev, mode_cmd, &fb, obj);
+ intel_fb = kzalloc(sizeof(*intel_fb), GFP_KERNEL);
+ if (!intel_fb)
+ return NULL;
+
+ ret = intel_framebuffer_init(dev, intel_fb,
+ mode_cmd, obj);
if (ret) {
drm_gem_object_unreference_unlocked(obj);
+ kfree(intel_fb);
return NULL;
}
- return fb;
+ return &intel_fb->base;
}
static const struct drm_mode_config_funcs intel_mode_funcs = {
.fb_create = intel_user_framebuffer_create,
- .fb_changed = intelfb_probe,
+ .output_poll_changed = intel_fb_output_poll_changed,
};
static struct drm_gem_object *
@@ -4594,7 +4993,7 @@ intel_alloc_power_context(struct drm_device *dev)
struct drm_gem_object *pwrctx;
int ret;
- pwrctx = drm_gem_object_alloc(dev, 4096);
+ pwrctx = i915_gem_alloc_object(dev, 4096);
if (!pwrctx) {
DRM_DEBUG("failed to alloc power context, RC6 disabled\n");
return NULL;
@@ -4732,6 +5131,25 @@ void intel_init_clock_gating(struct drm_device *dev)
}
I915_WRITE(PCH_DSPCLK_GATE_D, dspclk_gate);
+
+ /*
+ * According to the spec the following bits should be set in
+ * order to enable memory self-refresh
+ * The bit 22/21 of 0x42004
+ * The bit 5 of 0x42020
+ * The bit 15 of 0x45000
+ */
+ if (IS_IRONLAKE(dev)) {
+ I915_WRITE(ILK_DISPLAY_CHICKEN2,
+ (I915_READ(ILK_DISPLAY_CHICKEN2) |
+ ILK_DPARB_GATE | ILK_VSDPFD_FULL));
+ I915_WRITE(ILK_DSPCLK_GATE,
+ (I915_READ(ILK_DSPCLK_GATE) |
+ ILK_DPARB_CLK_GATE));
+ I915_WRITE(DISP_ARB_CTL,
+ (I915_READ(DISP_ARB_CTL) |
+ DISP_FBC_WM_DIS));
+ }
return;
} else if (IS_G4X(dev)) {
uint32_t dspclk_gate;
@@ -4809,8 +5227,7 @@ static void intel_init_display(struct drm_device *dev)
else
dev_priv->display.dpms = i9xx_crtc_dpms;
- /* Only mobile has FBC, leave pointers NULL for other chips */
- if (IS_MOBILE(dev)) {
+ if (I915_HAS_FBC(dev)) {
if (IS_GM45(dev)) {
dev_priv->display.fbc_enabled = g4x_fbc_enabled;
dev_priv->display.enable_fbc = g4x_enable_fbc;
@@ -4847,23 +5264,46 @@ static void intel_init_display(struct drm_device *dev)
i830_get_display_clock_speed;
/* For FIFO watermark updates */
- if (HAS_PCH_SPLIT(dev))
- dev_priv->display.update_wm = NULL;
- else if (IS_G4X(dev))
+ if (HAS_PCH_SPLIT(dev)) {
+ if (IS_IRONLAKE(dev)) {
+ if (I915_READ(MLTR_ILK) & ILK_SRLT_MASK)
+ dev_priv->display.update_wm = ironlake_update_wm;
+ else {
+ DRM_DEBUG_KMS("Failed to get proper latency. "
+ "Disable CxSR\n");
+ dev_priv->display.update_wm = NULL;
+ }
+ } else
+ dev_priv->display.update_wm = NULL;
+ } else if (IS_PINEVIEW(dev)) {
+ if (!intel_get_cxsr_latency(IS_PINEVIEW_G(dev),
+ dev_priv->fsb_freq,
+ dev_priv->mem_freq)) {
+ DRM_INFO("failed to find known CxSR latency "
+ "(found fsb freq %d, mem freq %d), "
+ "disabling CxSR\n",
+ dev_priv->fsb_freq, dev_priv->mem_freq);
+ /* Disable CxSR and never update its watermark again */
+ pineview_disable_cxsr(dev);
+ dev_priv->display.update_wm = NULL;
+ } else
+ dev_priv->display.update_wm = pineview_update_wm;
+ } else if (IS_G4X(dev))
dev_priv->display.update_wm = g4x_update_wm;
else if (IS_I965G(dev))
dev_priv->display.update_wm = i965_update_wm;
- else if (IS_I9XX(dev) || IS_MOBILE(dev)) {
+ else if (IS_I9XX(dev)) {
dev_priv->display.update_wm = i9xx_update_wm;
dev_priv->display.get_fifo_size = i9xx_get_fifo_size;
+ } else if (IS_I85X(dev)) {
+ dev_priv->display.update_wm = i9xx_update_wm;
+ dev_priv->display.get_fifo_size = i85x_get_fifo_size;
} else {
- if (IS_I85X(dev))
- dev_priv->display.get_fifo_size = i85x_get_fifo_size;
- else if (IS_845G(dev))
+ dev_priv->display.update_wm = i830_update_wm;
+ if (IS_845G(dev))
dev_priv->display.get_fifo_size = i845_get_fifo_size;
else
dev_priv->display.get_fifo_size = i830_get_fifo_size;
- dev_priv->display.update_wm = i830_update_wm;
}
}
@@ -4922,13 +5362,6 @@ void intel_modeset_init(struct drm_device *dev)
(unsigned long)dev);
intel_setup_overlay(dev);
-
- if (IS_PINEVIEW(dev) && !intel_get_cxsr_latency(IS_PINEVIEW_G(dev),
- dev_priv->fsb_freq,
- dev_priv->mem_freq))
- DRM_INFO("failed to find known CxSR latency "
- "(found fsb freq %d, mem freq %d), disabling CxSR\n",
- dev_priv->fsb_freq, dev_priv->mem_freq);
}
void intel_modeset_cleanup(struct drm_device *dev)
@@ -4939,6 +5372,9 @@ void intel_modeset_cleanup(struct drm_device *dev)
mutex_lock(&dev->struct_mutex);
+ drm_kms_helper_poll_fini(dev);
+ intel_fbdev_fini(dev);
+
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
/* Skip inactive CRTCs */
if (!crtc->fb)
@@ -4973,14 +5409,29 @@ void intel_modeset_cleanup(struct drm_device *dev)
}
-/* current intel driver doesn't take advantage of encoders
- always give back the encoder for the connector
-*/
-struct drm_encoder *intel_best_encoder(struct drm_connector *connector)
+/*
+ * Return which encoder is currently attached for connector.
+ */
+struct drm_encoder *intel_attached_encoder (struct drm_connector *connector)
{
- struct intel_encoder *intel_encoder = to_intel_encoder(connector);
+ struct drm_mode_object *obj;
+ struct drm_encoder *encoder;
+ int i;
- return &intel_encoder->enc;
+ for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
+ if (connector->encoder_ids[i] == 0)
+ break;
+
+ obj = drm_mode_object_find(connector->dev,
+ connector->encoder_ids[i],
+ DRM_MODE_OBJECT_ENCODER);
+ if (!obj)
+ continue;
+
+ encoder = obj_to_encoder(obj);
+ return encoder;
+ }
+ return NULL;
}
/*