static const intel_limit_t intel_limits_i8xx_dac = {
.dot = { .min = 25000, .max = 350000 },
- .vco = { .min = 930000, .max = 1400000 },
- .n = { .min = 3, .max = 16 },
+ .vco = { .min = 908000, .max = 1512000 },
+ .n = { .min = 2, .max = 16 },
.m = { .min = 96, .max = 140 },
.m1 = { .min = 18, .max = 26 },
.m2 = { .min = 6, .max = 16 },
static const intel_limit_t intel_limits_i8xx_dvo = {
.dot = { .min = 25000, .max = 350000 },
- .vco = { .min = 930000, .max = 1400000 },
- .n = { .min = 3, .max = 16 },
+ .vco = { .min = 908000, .max = 1512000 },
+ .n = { .min = 2, .max = 16 },
.m = { .min = 96, .max = 140 },
.m1 = { .min = 18, .max = 26 },
.m2 = { .min = 6, .max = 16 },
static const intel_limit_t intel_limits_i8xx_lvds = {
.dot = { .min = 25000, .max = 350000 },
- .vco = { .min = 930000, .max = 1400000 },
- .n = { .min = 3, .max = 16 },
+ .vco = { .min = 908000, .max = 1512000 },
+ .n = { .min = 2, .max = 16 },
.m = { .min = 96, .max = 140 },
.m1 = { .min = 18, .max = 26 },
.m2 = { .min = 6, .max = 16 },
{
clock->m = clock->m1 * clock->m2;
clock->p = clock->p1 * clock->p2;
+ if (WARN_ON(clock->n == 0 || clock->p == 0))
+ return;
clock->vco = DIV_ROUND_CLOSEST(refclk * clock->m, clock->n);
clock->dot = DIV_ROUND_CLOSEST(clock->vco, clock->p);
}
{
clock->m = clock->m2 + 2;
clock->p = clock->p1 * clock->p2;
+ if (WARN_ON(clock->n == 0 || clock->p == 0))
+ return;
clock->vco = DIV_ROUND_CLOSEST(refclk * clock->m, clock->n);
clock->dot = DIV_ROUND_CLOSEST(clock->vco, clock->p);
}
{
clock->m = i9xx_dpll_compute_m(clock);
clock->p = clock->p1 * clock->p2;
+ if (WARN_ON(clock->n + 2 == 0 || clock->p == 0))
+ return;
clock->vco = DIV_ROUND_CLOSEST(refclk * clock->m, clock->n + 2);
clock->dot = DIV_ROUND_CLOSEST(clock->vco, clock->p);
}
return intel_crtc->config.cpu_transcoder;
}
-static void ironlake_wait_for_vblank(struct drm_device *dev, int pipe)
+static void g4x_wait_for_vblank(struct drm_device *dev, int pipe)
{
struct drm_i915_private *dev_priv = dev->dev_private;
- u32 frame, frame_reg = PIPEFRAME(pipe);
+ u32 frame, frame_reg = PIPE_FRMCOUNT_GM45(pipe);
frame = I915_READ(frame_reg);
struct drm_i915_private *dev_priv = dev->dev_private;
int pipestat_reg = PIPESTAT(pipe);
- if (INTEL_INFO(dev)->gen >= 5) {
- ironlake_wait_for_vblank(dev, pipe);
+ if (IS_G4X(dev) || INTEL_INFO(dev)->gen >= 5) {
+ g4x_wait_for_vblank(dev, pipe);
return;
}
}
}
-static void assert_pch_refclk_enabled(struct drm_i915_private *dev_priv)
+static void ibx_assert_pch_refclk_enabled(struct drm_i915_private *dev_priv)
{
u32 val;
bool enabled;
- if (HAS_PCH_LPT(dev_priv->dev)) {
- DRM_DEBUG_DRIVER("LPT does not has PCH refclk, skipping check\n");
- return;
- }
+ WARN_ON(!(HAS_PCH_IBX(dev_priv->dev) || HAS_PCH_CPT(dev_priv->dev)));
val = I915_READ(PCH_DREF_CONTROL);
enabled = !!(val & (DREF_SSC_SOURCE_MASK | DREF_NONSPREAD_SOURCE_MASK |
if (!IS_VALLEYVIEW(dev))
return;
+ DPIO_PHY_IOSF_PORT(DPIO_PHY0) = IOSF_PORT_DPIO;
+}
+
+static void intel_reset_dpio(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+
+ if (!IS_VALLEYVIEW(dev))
+ return;
+
+ /*
+ * Enable the CRI clock source so we can get at the display and the
+ * reference clock for VGA hotplug / manual detection.
+ */
+ I915_WRITE(DPLL(PIPE_B), I915_READ(DPLL(PIPE_B)) |
+ DPLL_REFA_CLK_ENABLE_VLV |
+ DPLL_INTEGRATED_CRI_CLK_VLV);
+
/*
* From VLV2A0_DP_eDP_DPIO_driver_vbios_notes_10.docx -
* 6. De-assert cmn_reset/side_reset. Same as VLV X0.
/* Make sure the pipe isn't still relying on us */
assert_pipe_disabled(dev_priv, pipe);
- /* Leave integrated clock source enabled */
+ /*
+ * Leave integrated clock source and reference clock enabled for pipe B.
+ * The latter is needed for VGA hotplug / manual detection.
+ */
if (pipe == PIPE_B)
- val = DPLL_INTEGRATED_CRI_CLK_VLV;
+ val = DPLL_INTEGRATED_CRI_CLK_VLV | DPLL_REFA_CLK_ENABLE_VLV;
I915_WRITE(DPLL(pipe), val);
POSTING_READ(DPLL(pipe));
}
-void vlv_wait_port_ready(struct drm_i915_private *dev_priv, int port)
+void vlv_wait_port_ready(struct drm_i915_private *dev_priv,
+ struct intel_digital_port *dport)
{
u32 port_mask;
- if (!port)
+ switch (dport->port) {
+ case PORT_B:
port_mask = DPLL_PORTB_READY_MASK;
- else
+ break;
+ case PORT_C:
port_mask = DPLL_PORTC_READY_MASK;
+ break;
+ default:
+ BUG();
+ }
if (wait_for((I915_READ(DPLL(0)) & port_mask) == 0, 1000))
WARN(1, "timed out waiting for port %c ready: 0x%08x\n",
- 'B' + port, I915_READ(DPLL(0)));
+ port_name(dport->port), I915_READ(DPLL(0)));
}
/**
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
mutex_lock(&crtc->mutex);
- if (intel_crtc->active)
+ /*
+ * FIXME: Once we have proper support for primary planes (and
+ * disabling them without disabling the entire crtc) allow again
+ * a NULL crtc->fb.
+ */
+ if (intel_crtc->active && crtc->fb)
dev_priv->display.update_plane(crtc, crtc->fb,
crtc->x, crtc->y);
mutex_unlock(&crtc->mutex);
I915_WRITE(PF_WIN_POS(intel_crtc->pipe), 0);
I915_WRITE(PF_WIN_SZ(intel_crtc->pipe), 0);
}
+ intel_crtc->config.pipe_src_w = adjusted_mode->crtc_hdisplay;
+ intel_crtc->config.pipe_src_h = adjusted_mode->crtc_vdisplay;
}
ret = dev_priv->display.update_plane(crtc, fb, x, y);
mutex_unlock(&dev_priv->rps.hw_lock);
/* Quoting Art Runyan: "its not safe to expect any particular
* value in IPS_CTL bit 31 after enabling IPS through the
- * mailbox." Therefore we need to defer waiting on the state
- * change.
- * TODO: need to fix this for state checker
+ * mailbox." Moreover, the mailbox may return a bogus state,
+ * so we need to just enable it and continue on.
*/
} else {
I915_WRITE(IPS_CTL, IPS_ENABLE);
mutex_lock(&dev_priv->rps.hw_lock);
WARN_ON(sandybridge_pcode_write(dev_priv, DISPLAY_IPS_CONTROL, 0));
mutex_unlock(&dev_priv->rps.hw_lock);
- } else
+ } else {
I915_WRITE(IPS_CTL, 0);
- POSTING_READ(IPS_CTL);
+ POSTING_READ(IPS_CTL);
+ }
/* We need to wait for a vblank before we can disable the plane. */
intel_wait_for_vblank(dev, crtc->pipe);
/* Workaround : Do not read or write the pipe palette/gamma data while
* GAMMA_MODE is configured for split gamma and IPS_CTL has IPS enabled.
*/
- if (intel_crtc->config.ips_enabled &&
+ if (IS_HASWELL(dev) && intel_crtc->config.ips_enabled &&
((I915_READ(GAMMA_MODE(pipe)) & GAMMA_MODE_MODE_MASK) ==
GAMMA_MODE_MODE_SPLIT)) {
hsw_disable_ips(intel_crtc);
I915_WRITE(BCLRPAT(crtc->pipe), 0);
}
+int valleyview_get_vco(struct drm_i915_private *dev_priv)
+{
+ int hpll_freq, vco_freq[] = { 800, 1600, 2000, 2400 };
+
+ /* Obtain SKU information */
+ mutex_lock(&dev_priv->dpio_lock);
+ hpll_freq = vlv_cck_read(dev_priv, CCK_FUSE_REG) &
+ CCK_FUSE_HPLL_FREQ_MASK;
+ mutex_unlock(&dev_priv->dpio_lock);
+
+ return vco_freq[hpll_freq];
+}
+
+/* Adjust CDclk dividers to allow high res or save power if possible */
+static void valleyview_set_cdclk(struct drm_device *dev, int cdclk)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ u32 val, cmd;
+
+ if (cdclk >= 320) /* jump to highest voltage for 400MHz too */
+ cmd = 2;
+ else if (cdclk == 266)
+ cmd = 1;
+ else
+ cmd = 0;
+
+ mutex_lock(&dev_priv->rps.hw_lock);
+ val = vlv_punit_read(dev_priv, PUNIT_REG_DSPFREQ);
+ val &= ~DSPFREQGUAR_MASK;
+ val |= (cmd << DSPFREQGUAR_SHIFT);
+ vlv_punit_write(dev_priv, PUNIT_REG_DSPFREQ, val);
+ if (wait_for((vlv_punit_read(dev_priv, PUNIT_REG_DSPFREQ) &
+ DSPFREQSTAT_MASK) == (cmd << DSPFREQSTAT_SHIFT),
+ 50)) {
+ DRM_ERROR("timed out waiting for CDclk change\n");
+ }
+ mutex_unlock(&dev_priv->rps.hw_lock);
+
+ if (cdclk == 400) {
+ u32 divider, vco;
+
+ vco = valleyview_get_vco(dev_priv);
+ divider = ((vco << 1) / cdclk) - 1;
+
+ mutex_lock(&dev_priv->dpio_lock);
+ /* adjust cdclk divider */
+ val = vlv_cck_read(dev_priv, CCK_DISPLAY_CLOCK_CONTROL);
+ val &= ~0xf;
+ val |= divider;
+ vlv_cck_write(dev_priv, CCK_DISPLAY_CLOCK_CONTROL, val);
+ mutex_unlock(&dev_priv->dpio_lock);
+ }
+
+ mutex_lock(&dev_priv->dpio_lock);
+ /* adjust self-refresh exit latency value */
+ val = vlv_bunit_read(dev_priv, BUNIT_REG_BISOC);
+ val &= ~0x7f;
+
+ /*
+ * For high bandwidth configs, we set a higher latency in the bunit
+ * so that the core display fetch happens in time to avoid underruns.
+ */
+ if (cdclk == 400)
+ val |= 4500 / 250; /* 4.5 usec */
+ else
+ val |= 3000 / 250; /* 3.0 usec */
+ vlv_bunit_write(dev_priv, BUNIT_REG_BISOC, val);
+ mutex_unlock(&dev_priv->dpio_lock);
+
+ /* Since we changed the CDclk, we need to update the GMBUSFREQ too */
+ intel_i2c_reset(dev);
+}
+
+static int valleyview_cur_cdclk(struct drm_i915_private *dev_priv)
+{
+ int cur_cdclk, vco;
+ int divider;
+
+ vco = valleyview_get_vco(dev_priv);
+
+ mutex_lock(&dev_priv->dpio_lock);
+ divider = vlv_cck_read(dev_priv, CCK_DISPLAY_CLOCK_CONTROL);
+ mutex_unlock(&dev_priv->dpio_lock);
+
+ divider &= 0xf;
+
+ cur_cdclk = (vco << 1) / (divider + 1);
+
+ return cur_cdclk;
+}
+
+static int valleyview_calc_cdclk(struct drm_i915_private *dev_priv,
+ int max_pixclk)
+{
+ int cur_cdclk;
+
+ cur_cdclk = valleyview_cur_cdclk(dev_priv);
+
+ /*
+ * Really only a few cases to deal with, as only 4 CDclks are supported:
+ * 200MHz
+ * 267MHz
+ * 320MHz
+ * 400MHz
+ * So we check to see whether we're above 90% of the lower bin and
+ * adjust if needed.
+ */
+ if (max_pixclk > 288000) {
+ return 400;
+ } else if (max_pixclk > 240000) {
+ return 320;
+ } else
+ return 266;
+ /* Looks like the 200MHz CDclk freq doesn't work on some configs */
+}
+
+static int intel_mode_max_pixclk(struct drm_i915_private *dev_priv,
+ unsigned modeset_pipes,
+ struct intel_crtc_config *pipe_config)
+{
+ struct drm_device *dev = dev_priv->dev;
+ struct intel_crtc *intel_crtc;
+ int max_pixclk = 0;
+
+ list_for_each_entry(intel_crtc, &dev->mode_config.crtc_list,
+ base.head) {
+ if (modeset_pipes & (1 << intel_crtc->pipe))
+ max_pixclk = max(max_pixclk,
+ pipe_config->adjusted_mode.crtc_clock);
+ else if (intel_crtc->base.enabled)
+ max_pixclk = max(max_pixclk,
+ intel_crtc->config.adjusted_mode.crtc_clock);
+ }
+
+ return max_pixclk;
+}
+
+static void valleyview_modeset_global_pipes(struct drm_device *dev,
+ unsigned *prepare_pipes,
+ unsigned modeset_pipes,
+ struct intel_crtc_config *pipe_config)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_crtc *intel_crtc;
+ int max_pixclk = intel_mode_max_pixclk(dev_priv, modeset_pipes,
+ pipe_config);
+ int cur_cdclk = valleyview_cur_cdclk(dev_priv);
+
+ if (valleyview_calc_cdclk(dev_priv, max_pixclk) == cur_cdclk)
+ return;
+
+ list_for_each_entry(intel_crtc, &dev->mode_config.crtc_list,
+ base.head)
+ if (intel_crtc->base.enabled)
+ *prepare_pipes |= (1 << intel_crtc->pipe);
+}
+
+static void valleyview_modeset_global_resources(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ int max_pixclk = intel_mode_max_pixclk(dev_priv, 0, NULL);
+ int cur_cdclk = valleyview_cur_cdclk(dev_priv);
+ int req_cdclk = valleyview_calc_cdclk(dev_priv, max_pixclk);
+
+ if (req_cdclk != cur_cdclk)
+ valleyview_set_cdclk(dev, req_cdclk);
+}
+
static void valleyview_crtc_enable(struct drm_crtc *crtc)
{
struct drm_device *dev = crtc->dev;
refclk = 100000;
} else if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS) &&
intel_panel_use_ssc(dev_priv) && num_connectors < 2) {
- refclk = dev_priv->vbt.lvds_ssc_freq * 1000;
- DRM_DEBUG_KMS("using SSC reference clock of %d MHz\n",
- refclk / 1000);
+ refclk = dev_priv->vbt.lvds_ssc_freq;
+ DRM_DEBUG_KMS("using SSC reference clock of %d kHz\n", refclk);
} else if (!IS_GEN2(dev)) {
refclk = 96000;
} else {
* PLLB opamp always calibrates to max value of 0x3f, force enable it
* and set it to a reasonable value instead.
*/
- reg_val = vlv_dpio_read(dev_priv, pipe, DPIO_IREF(1));
+ reg_val = vlv_dpio_read(dev_priv, pipe, VLV_PLL_DW9(1));
reg_val &= 0xffffff00;
reg_val |= 0x00000030;
- vlv_dpio_write(dev_priv, pipe, DPIO_IREF(1), reg_val);
+ vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW9(1), reg_val);
- reg_val = vlv_dpio_read(dev_priv, pipe, DPIO_CALIBRATION);
+ reg_val = vlv_dpio_read(dev_priv, pipe, VLV_REF_DW13);
reg_val &= 0x8cffffff;
reg_val = 0x8c000000;
- vlv_dpio_write(dev_priv, pipe, DPIO_CALIBRATION, reg_val);
+ vlv_dpio_write(dev_priv, pipe, VLV_REF_DW13, reg_val);
- reg_val = vlv_dpio_read(dev_priv, pipe, DPIO_IREF(1));
+ reg_val = vlv_dpio_read(dev_priv, pipe, VLV_PLL_DW9(1));
reg_val &= 0xffffff00;
- vlv_dpio_write(dev_priv, pipe, DPIO_IREF(1), reg_val);
+ vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW9(1), reg_val);
- reg_val = vlv_dpio_read(dev_priv, pipe, DPIO_CALIBRATION);
+ reg_val = vlv_dpio_read(dev_priv, pipe, VLV_REF_DW13);
reg_val &= 0x00ffffff;
reg_val |= 0xb0000000;
- vlv_dpio_write(dev_priv, pipe, DPIO_CALIBRATION, reg_val);
+ vlv_dpio_write(dev_priv, pipe, VLV_REF_DW13, reg_val);
}
static void intel_pch_transcoder_set_m_n(struct intel_crtc *crtc,
vlv_pllb_recal_opamp(dev_priv, pipe);
/* Set up Tx target for periodic Rcomp update */
- vlv_dpio_write(dev_priv, pipe, DPIO_IREF_BCAST, 0x0100000f);
+ vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW9_BCAST, 0x0100000f);
/* Disable target IRef on PLL */
- reg_val = vlv_dpio_read(dev_priv, pipe, DPIO_IREF_CTL(pipe));
+ reg_val = vlv_dpio_read(dev_priv, pipe, VLV_PLL_DW8(pipe));
reg_val &= 0x00ffffff;
- vlv_dpio_write(dev_priv, pipe, DPIO_IREF_CTL(pipe), reg_val);
+ vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW8(pipe), reg_val);
/* Disable fast lock */
- vlv_dpio_write(dev_priv, pipe, DPIO_FASTCLK_DISABLE, 0x610);
+ vlv_dpio_write(dev_priv, pipe, VLV_CMN_DW0, 0x610);
/* Set idtafcrecal before PLL is enabled */
mdiv = ((bestm1 << DPIO_M1DIV_SHIFT) | (bestm2 & DPIO_M2DIV_MASK));
* Note: don't use the DAC post divider as it seems unstable.
*/
mdiv |= (DPIO_POST_DIV_HDMIDP << DPIO_POST_DIV_SHIFT);
- vlv_dpio_write(dev_priv, pipe, DPIO_DIV(pipe), mdiv);
+ vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW3(pipe), mdiv);
mdiv |= DPIO_ENABLE_CALIBRATION;
- vlv_dpio_write(dev_priv, pipe, DPIO_DIV(pipe), mdiv);
+ vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW3(pipe), mdiv);
/* Set HBR and RBR LPF coefficients */
if (crtc->config.port_clock == 162000 ||
intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_ANALOG) ||
intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_HDMI))
- vlv_dpio_write(dev_priv, pipe, DPIO_LPF_COEFF(pipe),
+ vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW10(pipe),
0x009f0003);
else
- vlv_dpio_write(dev_priv, pipe, DPIO_LPF_COEFF(pipe),
+ vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW10(pipe),
0x00d0000f);
if (intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_EDP) ||
intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_DISPLAYPORT)) {
/* Use SSC source */
if (!pipe)
- vlv_dpio_write(dev_priv, pipe, DPIO_REFSFR(pipe),
+ vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW5(pipe),
0x0df40000);
else
- vlv_dpio_write(dev_priv, pipe, DPIO_REFSFR(pipe),
+ vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW5(pipe),
0x0df70000);
} else { /* HDMI or VGA */
/* Use bend source */
if (!pipe)
- vlv_dpio_write(dev_priv, pipe, DPIO_REFSFR(pipe),
+ vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW5(pipe),
0x0df70000);
else
- vlv_dpio_write(dev_priv, pipe, DPIO_REFSFR(pipe),
+ vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW5(pipe),
0x0df40000);
}
- coreclk = vlv_dpio_read(dev_priv, pipe, DPIO_CORE_CLK(pipe));
+ coreclk = vlv_dpio_read(dev_priv, pipe, VLV_PLL_DW7(pipe));
coreclk = (coreclk & 0x0000ff00) | 0x01c00000;
if (intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_DISPLAYPORT) ||
intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_EDP))
coreclk |= 0x01000000;
- vlv_dpio_write(dev_priv, pipe, DPIO_CORE_CLK(pipe), coreclk);
+ vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW7(pipe), coreclk);
- vlv_dpio_write(dev_priv, pipe, DPIO_PLL_CML(pipe), 0x87871000);
+ vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW11(pipe), 0x87871000);
- /* Enable DPIO clock input */
+ /*
+ * Enable DPIO clock input. We should never disable the reference
+ * clock for pipe B, since VGA hotplug / manual detection depends
+ * on it.
+ */
dpll = DPLL_EXT_BUFFER_ENABLE_VLV | DPLL_REFA_CLK_ENABLE_VLV |
DPLL_VGA_MODE_DIS | DPLL_INTEGRATED_CLOCK_VLV;
/* We should never disable this, set it here for state tracking */
struct drm_i915_private *dev_priv = dev->dev_private;
uint32_t tmp;
+ if (INTEL_INFO(dev)->gen <= 3 && (IS_I830(dev) || !IS_MOBILE(dev)))
+ return;
+
tmp = I915_READ(PFIT_CONTROL);
if (!(tmp & PFIT_ENABLE))
return;
int refclk = 100000;
mutex_lock(&dev_priv->dpio_lock);
- mdiv = vlv_dpio_read(dev_priv, pipe, DPIO_DIV(pipe));
+ mdiv = vlv_dpio_read(dev_priv, pipe, VLV_PLL_DW3(pipe));
mutex_unlock(&dev_priv->dpio_lock);
clock.m1 = (mdiv >> DPIO_M1DIV_SHIFT) & 7;
}
if (is_lvds && intel_panel_use_ssc(dev_priv) && num_connectors < 2) {
- DRM_DEBUG_KMS("using SSC reference clock of %d MHz\n",
+ DRM_DEBUG_KMS("using SSC reference clock of %d kHz\n",
dev_priv->vbt.lvds_ssc_freq);
- return dev_priv->vbt.lvds_ssc_freq * 1000;
+ return dev_priv->vbt.lvds_ssc_freq;
}
return 120000;
factor = 21;
if (is_lvds) {
if ((intel_panel_use_ssc(dev_priv) &&
- dev_priv->vbt.lvds_ssc_freq == 100) ||
+ dev_priv->vbt.lvds_ssc_freq == 100000) ||
(HAS_PCH_IBX(dev) && intel_is_dual_link_lvds(dev)))
factor = 25;
} else if (intel_crtc->config.sdvo_tv_clock)
uint32_t val;
list_for_each_entry(crtc, &dev->mode_config.crtc_list, base.head)
- WARN(crtc->base.enabled, "CRTC for pipe %c enabled\n",
+ WARN(crtc->active, "CRTC for pipe %c enabled\n",
pipe_name(crtc->pipe));
WARN(I915_READ(HSW_PWR_WELL_DRIVER), "Power well on\n");
spin_lock_irqsave(&dev_priv->irq_lock, irqflags);
val = I915_READ(DEIMR);
- WARN((val & ~DE_PCH_EVENT_IVB) != val,
+ WARN((val | DE_PCH_EVENT_IVB) != 0xffffffff,
"Unexpected DEIMR bits enabled: 0x%x\n", val);
val = I915_READ(SDEIMR);
WARN((val | SDE_HOTPLUG_MASK_CPT) != 0xffffffff,
/* Make sure we're not on PC8 state before disabling PC8, otherwise
* we'll hang the machine! */
- gen6_gt_force_wake_get(dev_priv);
+ gen6_gt_force_wake_get(dev_priv, FORCEWAKE_ALL);
if (val & LCPLL_POWER_DOWN_ALLOW) {
val &= ~LCPLL_POWER_DOWN_ALLOW;
DRM_ERROR("Switching back to LCPLL failed\n");
}
- gen6_gt_force_wake_put(dev_priv);
+ gen6_gt_force_wake_put(dev_priv, FORCEWAKE_ALL);
}
void hsw_enable_pc8_work(struct work_struct *__work)
struct drm_device *dev = dev_priv->dev;
uint32_t val;
+ WARN_ON(!HAS_PC8(dev));
+
if (dev_priv->pc8.enabled)
return;
lpt_disable_clkout_dp(dev);
hsw_pc8_disable_interrupts(dev);
hsw_disable_lcpll(dev_priv, true, true);
+
+ intel_runtime_pm_put(dev_priv);
}
static void __hsw_enable_package_c8(struct drm_i915_private *dev_priv)
if (dev_priv->pc8.disable_count != 1)
return;
+ WARN_ON(!HAS_PC8(dev));
+
cancel_delayed_work_sync(&dev_priv->pc8.enable_work);
if (!dev_priv->pc8.enabled)
return;
DRM_DEBUG_KMS("Disabling package C8+\n");
+ intel_runtime_pm_get(dev_priv);
+
hsw_restore_lcpll(dev_priv);
hsw_pc8_restore_interrupts(dev);
lpt_init_pch_refclk(dev);
int plane = intel_crtc->plane;
int ret;
- if (!intel_ddi_pll_mode_set(crtc))
+ if (!intel_ddi_pll_select(intel_crtc))
return -EINVAL;
+ intel_ddi_pll_enable(intel_crtc);
if (intel_crtc->config.has_dp_encoder)
intel_dp_set_m_n(intel_crtc);
if (intel_display_power_enabled(dev, pfit_domain))
ironlake_get_pfit_config(crtc, pipe_config);
- pipe_config->ips_enabled = hsw_crtc_supports_ips(crtc) &&
- (I915_READ(IPS_CTL) & IPS_ENABLE);
+ if (IS_HASWELL(dev))
+ pipe_config->ips_enabled = hsw_crtc_supports_ips(crtc) &&
+ (I915_READ(IPS_CTL) & IPS_ENABLE);
pipe_config->pixel_multiplier = 1;
u32 dpll = pipe_config->dpll_hw_state.dpll;
if ((dpll & PLL_REF_INPUT_MASK) == PLLB_REF_INPUT_SPREADSPECTRUMIN)
- return dev_priv->vbt.lvds_ssc_freq * 1000;
+ return dev_priv->vbt.lvds_ssc_freq;
else if (HAS_PCH_SPLIT(dev))
return 120000;
else if (!IS_GEN2(dev))
else
i9xx_clock(refclk, &clock);
} else {
- bool is_lvds = (pipe == 1) && (I915_READ(LVDS) & LVDS_PORT_EN);
+ u32 lvds = IS_I830(dev) ? 0 : I915_READ(LVDS);
+ bool is_lvds = (pipe == 1) && (lvds & LVDS_PORT_EN);
if (is_lvds) {
clock.p1 = ffs((dpll & DPLL_FPA01_P1_POST_DIV_MASK_I830_LVDS) >>
DPLL_FPA01_P1_POST_DIV_SHIFT);
- clock.p2 = 14;
+
+ if (lvds & LVDS_CLKB_POWER_UP)
+ clock.p2 = 7;
+ else
+ clock.p2 = 14;
} else {
if (dpll & PLL_P1_DIVIDE_BY_TWO)
clock.p1 = 2;
PIPE_CONF_CHECK_I(pch_pfit.size);
}
- PIPE_CONF_CHECK_I(ips_enabled);
+ /* BDW+ don't expose a synchronous way to read the state */
+ if (IS_HASWELL(dev))
+ PIPE_CONF_CHECK_I(ips_enabled);
PIPE_CONF_CHECK_I(double_wide);
"[modeset]");
}
+ /*
+ * See if the config requires any additional preparation, e.g.
+ * to adjust global state with pipes off. We need to do this
+ * here so we can get the modeset_pipe updated config for the new
+ * mode set on this crtc. For other crtcs we need to use the
+ * adjusted_mode bits in the crtc directly.
+ */
+ if (IS_VALLEYVIEW(dev)) {
+ valleyview_modeset_global_pipes(dev, &prepare_pipes,
+ modeset_pipes, pipe_config);
+
+ /* may have added more to prepare_pipes than we should */
+ prepare_pipes &= ~disable_pipes;
+ }
+
for_each_intel_crtc_masked(dev, disable_pipes, intel_crtc)
intel_crtc_disable(&intel_crtc->base);
/* Check for any encoders that needs to be disabled. */
list_for_each_entry(encoder, &dev->mode_config.encoder_list,
base.head) {
+ int num_connectors = 0;
list_for_each_entry(connector,
&dev->mode_config.connector_list,
base.head) {
if (connector->new_encoder == encoder) {
WARN_ON(!connector->new_encoder->new_crtc);
-
- goto next_encoder;
+ num_connectors++;
}
}
- encoder->new_crtc = NULL;
-next_encoder:
+
+ if (num_connectors == 0)
+ encoder->new_crtc = NULL;
+ else if (num_connectors > 1)
+ return -EINVAL;
+
/* Only now check for crtc changes so we don't miss encoders
* that will be disabled. */
if (&encoder->new_crtc->base != encoder->base.crtc) {
ret = intel_pipe_set_base(set->crtc,
set->x, set->y, set->fb);
+ /*
+ * In the fastboot case this may be our only check of the
+ * state after boot. It would be better to only do it on
+ * the first update, but we don't have a nice way of doing that
+ * (and really, set_config isn't used much for high freq page
+ * flipping, so increasing its cost here shouldn't be a big
+ * deal).
+ */
+ if (i915_fastboot && ret == 0)
+ intel_modeset_check_state(set->crtc->dev);
}
if (ret) {
struct intel_shared_dpll *pll)
{
/* PCH refclock must be enabled first */
- assert_pch_refclk_enabled(dev_priv);
+ ibx_assert_pch_refclk_enabled(dev_priv);
I915_WRITE(PCH_DPLL(pll->id), pll->hw_state.dpll);
dev_priv->num_shared_dpll = 0;
BUG_ON(dev_priv->num_shared_dpll > I915_NUM_PLLS);
- DRM_DEBUG_KMS("%i shared PLLs initialized\n",
- dev_priv->num_shared_dpll);
}
static void intel_crtc_init(struct drm_device *dev, int pipe)
intel_crtc->lut_b[i] = i;
}
- /* Swap pipes & planes for FBC on pre-965 */
+ /*
+ * On gen2/3 only plane A can do fbc, but the panel fitter and lvds port
+ * is hooked to plane B. Hence we want plane A feeding pipe B.
+ */
intel_crtc->pipe = pipe;
intel_crtc->plane = pipe;
- if (IS_MOBILE(dev) && IS_GEN3(dev)) {
+ if (HAS_FBC(dev) && INTEL_INFO(dev)->gen < 4) {
DRM_DEBUG_KMS("swapping pipes & planes for FBC\n");
intel_crtc->plane = !pipe;
}
return true;
}
+const char *intel_output_name(int output)
+{
+ static const char *names[] = {
+ [INTEL_OUTPUT_UNUSED] = "Unused",
+ [INTEL_OUTPUT_ANALOG] = "Analog",
+ [INTEL_OUTPUT_DVO] = "DVO",
+ [INTEL_OUTPUT_SDVO] = "SDVO",
+ [INTEL_OUTPUT_LVDS] = "LVDS",
+ [INTEL_OUTPUT_TVOUT] = "TV",
+ [INTEL_OUTPUT_HDMI] = "HDMI",
+ [INTEL_OUTPUT_DISPLAYPORT] = "DisplayPort",
+ [INTEL_OUTPUT_EDP] = "eDP",
+ [INTEL_OUTPUT_DSI] = "DSI",
+ [INTEL_OUTPUT_UNKNOWN] = "Unknown",
+ };
+
+ if (output < 0 || output >= ARRAY_SIZE(names) || !names[output])
+ return "Invalid";
+
+ return names[output];
+}
+
static void intel_setup_outputs(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
}
} else if (IS_G4X(dev)) {
dev_priv->display.write_eld = g4x_write_eld;
- } else if (IS_VALLEYVIEW(dev))
+ } else if (IS_VALLEYVIEW(dev)) {
+ dev_priv->display.modeset_global_resources =
+ valleyview_modeset_global_resources;
dev_priv->display.write_eld = ironlake_write_eld;
+ }
/* Default just returns -ENODEV to indicate unsupported */
dev_priv->display.queue_flip = intel_default_queue_flip;
dev_priv->display.queue_flip = intel_gen7_queue_flip;
break;
}
+
+ intel_panel_init_backlight_funcs(dev);
}
/*
DRM_INFO("applying inverted panel brightness quirk\n");
}
-/*
- * Some machines (Dell XPS13) suffer broken backlight controls if
- * BLM_PCH_PWM_ENABLE is set.
- */
-static void quirk_no_pcm_pwm_enable(struct drm_device *dev)
-{
- struct drm_i915_private *dev_priv = dev->dev_private;
- dev_priv->quirks |= QUIRK_NO_PCH_PWM_ENABLE;
- DRM_INFO("applying no-PCH_PWM_ENABLE quirk\n");
-}
-
struct intel_quirk {
int device;
int subsystem_vendor;
/* Sony Vaio Y cannot use SSC on LVDS */
{ 0x0046, 0x104d, 0x9076, quirk_ssc_force_disable },
- /*
- * All GM45 Acer (and its brands eMachines and Packard Bell) laptops
- * seem to use inverted backlight PWM.
- */
- { 0x2a42, 0x1025, PCI_ANY_ID, quirk_invert_brightness },
+ /* Acer Aspire 5734Z must invert backlight brightness */
+ { 0x2a42, 0x1025, 0x0459, quirk_invert_brightness },
+
+ /* Acer/eMachines G725 */
+ { 0x2a42, 0x1025, 0x0210, quirk_invert_brightness },
+
+ /* Acer/eMachines e725 */
+ { 0x2a42, 0x1025, 0x0212, quirk_invert_brightness },
- /* Dell XPS13 HD Sandy Bridge */
- { 0x0116, 0x1028, 0x052e, quirk_no_pcm_pwm_enable },
- /* Dell XPS13 HD and XPS13 FHD Ivy Bridge */
- { 0x0166, 0x1028, 0x058b, quirk_no_pcm_pwm_enable },
+ /* Acer/Packard Bell NCL20 */
+ { 0x2a42, 0x1025, 0x034b, quirk_invert_brightness },
+
+ /* Acer Aspire 4736Z */
+ { 0x2a42, 0x1025, 0x0260, quirk_invert_brightness },
};
static void intel_init_quirks(struct drm_device *dev)
void intel_modeset_init_hw(struct drm_device *dev)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
-
intel_prepare_ddi(dev);
intel_init_clock_gating(dev);
- /* Enable the CRI clock source so we can get at the display */
- if (IS_VALLEYVIEW(dev))
- I915_WRITE(DPLL(PIPE_B), I915_READ(DPLL(PIPE_B)) |
- DPLL_INTEGRATED_CRI_CLK_VLV);
-
- intel_init_dpio(dev);
+ intel_reset_dpio(dev);
mutex_lock(&dev->struct_mutex);
intel_enable_gt_powersave(dev);
}
}
+ intel_init_dpio(dev);
+ intel_reset_dpio(dev);
+
intel_cpu_pll_init(dev);
intel_shared_dpll_init(dev);
* level, just check if the power well is enabled instead of trying to
* follow the "don't touch the power well if we don't need it" policy
* the rest of the driver uses. */
- if (HAS_POWER_WELL(dev) &&
+ if ((IS_HASWELL(dev) || IS_BROADWELL(dev)) &&
(I915_READ(HSW_PWR_WELL_DRIVER) & HSW_PWR_WELL_STATE_ENABLED) == 0)
return;
pll->on = false;
}
- if (IS_HASWELL(dev))
+ if (HAS_PCH_SPLIT(dev))
ilk_wm_get_hw_state(dev);
if (force_restore) {
intel_setup_overlay(dev);
- drm_modeset_lock_all(dev);
+ mutex_lock(&dev->mode_config.mutex);
drm_mode_config_reset(dev);
intel_modeset_setup_hw_state(dev, false);
- drm_modeset_unlock_all(dev);
+ mutex_unlock(&dev->mode_config.mutex);
}
void intel_modeset_cleanup(struct drm_device *dev)
/* flush any delayed tasks or pending work */
flush_scheduled_work();
- /* destroy backlight, if any, before the connectors */
- intel_panel_destroy_backlight(dev);
-
- /* destroy the sysfs files before encoders/connectors */
- list_for_each_entry(connector, &dev->mode_config.connector_list, head)
+ /* destroy the backlight and sysfs files before encoders/connectors */
+ list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
+ intel_panel_destroy_backlight(connector);
drm_sysfs_connector_remove(connector);
+ }
drm_mode_config_cleanup(dev);
int intel_modeset_vga_set_state(struct drm_device *dev, bool state)
{
struct drm_i915_private *dev_priv = dev->dev_private;
+ unsigned reg = INTEL_INFO(dev)->gen >= 6 ? SNB_GMCH_CTRL : INTEL_GMCH_CTRL;
u16 gmch_ctrl;
- pci_read_config_word(dev_priv->bridge_dev, INTEL_GMCH_CTRL, &gmch_ctrl);
+ pci_read_config_word(dev_priv->bridge_dev, reg, &gmch_ctrl);
if (state)
gmch_ctrl &= ~INTEL_GMCH_VGA_DISABLE;
else
gmch_ctrl |= INTEL_GMCH_VGA_DISABLE;
- pci_write_config_word(dev_priv->bridge_dev, INTEL_GMCH_CTRL, gmch_ctrl);
+ pci_write_config_word(dev_priv->bridge_dev, reg, gmch_ctrl);
return 0;
}
} cursor[I915_MAX_PIPES];
struct intel_pipe_error_state {
+ bool power_domain_on;
u32 source;
} pipe[I915_MAX_PIPES];
} plane[I915_MAX_PIPES];
struct intel_transcoder_error_state {
+ bool power_domain_on;
enum transcoder cpu_transcoder;
u32 conf;
if (error == NULL)
return NULL;
- if (HAS_POWER_WELL(dev))
+ if (IS_HASWELL(dev) || IS_BROADWELL(dev))
error->power_well_driver = I915_READ(HSW_PWR_WELL_DRIVER);
for_each_pipe(i) {
- if (!intel_display_power_enabled(dev, POWER_DOMAIN_PIPE(i)))
+ error->pipe[i].power_domain_on =
+ intel_display_power_enabled_sw(dev, POWER_DOMAIN_PIPE(i));
+ if (!error->pipe[i].power_domain_on)
continue;
if (INTEL_INFO(dev)->gen <= 6 || IS_VALLEYVIEW(dev)) {
for (i = 0; i < error->num_transcoders; i++) {
enum transcoder cpu_transcoder = transcoders[i];
- if (!intel_display_power_enabled(dev,
- POWER_DOMAIN_TRANSCODER(cpu_transcoder)))
+ error->transcoder[i].power_domain_on =
+ intel_display_power_enabled_sw(dev,
+ POWER_DOMAIN_TRANSCODER(cpu_transcoder));
+ if (!error->transcoder[i].power_domain_on)
continue;
error->transcoder[i].cpu_transcoder = cpu_transcoder;
return;
err_printf(m, "Num Pipes: %d\n", INTEL_INFO(dev)->num_pipes);
- if (HAS_POWER_WELL(dev))
+ if (IS_HASWELL(dev) || IS_BROADWELL(dev))
err_printf(m, "PWR_WELL_CTL2: %08x\n",
error->power_well_driver);
for_each_pipe(i) {
err_printf(m, "Pipe [%d]:\n", i);
+ err_printf(m, " Power: %s\n",
+ error->pipe[i].power_domain_on ? "on" : "off");
err_printf(m, " SRC: %08x\n", error->pipe[i].source);
err_printf(m, "Plane [%d]:\n", i);
for (i = 0; i < error->num_transcoders; i++) {
err_printf(m, "CPU transcoder: %c\n",
transcoder_name(error->transcoder[i].cpu_transcoder));
+ err_printf(m, " Power: %s\n",
+ error->transcoder[i].power_domain_on ? "on" : "off");
err_printf(m, " CONF: %08x\n", error->transcoder[i].conf);
err_printf(m, " HTOTAL: %08x\n", error->transcoder[i].htotal);
err_printf(m, " HBLANK: %08x\n", error->transcoder[i].hblank);
projects / ~andy / linux / blobdiff