static void intel_increase_pllclock(struct drm_crtc *crtc);
static void intel_crtc_update_cursor(struct drm_crtc *crtc, bool on);
+static void i9xx_crtc_clock_get(struct intel_crtc *crtc,
+ struct intel_crtc_config *pipe_config);
+static void ironlake_crtc_clock_get(struct intel_crtc *crtc,
+ struct intel_crtc_config *pipe_config);
+
typedef struct {
int min, max;
} intel_range_t;
return 27;
}
-static const intel_limit_t intel_limits_i8xx_dvo = {
+static const intel_limit_t intel_limits_i8xx_dac = {
.dot = { .min = 25000, .max = 350000 },
.vco = { .min = 930000, .max = 1400000 },
.n = { .min = 3, .max = 16 },
.p2_slow = 4, .p2_fast = 2 },
};
+static const intel_limit_t intel_limits_i8xx_dvo = {
+ .dot = { .min = 25000, .max = 350000 },
+ .vco = { .min = 930000, .max = 1400000 },
+ .n = { .min = 3, .max = 16 },
+ .m = { .min = 96, .max = 140 },
+ .m1 = { .min = 18, .max = 26 },
+ .m2 = { .min = 6, .max = 16 },
+ .p = { .min = 4, .max = 128 },
+ .p1 = { .min = 2, .max = 33 },
+ .p2 = { .dot_limit = 165000,
+ .p2_slow = 4, .p2_fast = 4 },
+};
+
static const intel_limit_t intel_limits_i8xx_lvds = {
.dot = { .min = 25000, .max = 350000 },
.vco = { .min = 930000, .max = 1400000 },
} else {
if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS))
limit = &intel_limits_i8xx_lvds;
- else
+ else if (intel_pipe_has_type(crtc, INTEL_OUTPUT_DVO))
limit = &intel_limits_i8xx_dvo;
+ else
+ limit = &intel_limits_i8xx_dac;
}
return limit;
}
}
/* Only for pre-ILK configs */
-static void assert_pll(struct drm_i915_private *dev_priv,
- enum pipe pipe, bool state)
+void assert_pll(struct drm_i915_private *dev_priv,
+ enum pipe pipe, bool state)
{
int reg;
u32 val;
"PLL state assertion failure (expected %s, current %s)\n",
state_string(state), state_string(cur_state));
}
-#define assert_pll_enabled(d, p) assert_pll(d, p, true)
-#define assert_pll_disabled(d, p) assert_pll(d, p, false)
-static struct intel_shared_dpll *
+struct intel_shared_dpll *
intel_crtc_to_shared_dpll(struct intel_crtc *crtc)
{
struct drm_i915_private *dev_priv = crtc->base.dev->dev_private;
}
/* For ILK+ */
-static void assert_shared_dpll(struct drm_i915_private *dev_priv,
- struct intel_shared_dpll *pll,
- bool state)
+void assert_shared_dpll(struct drm_i915_private *dev_priv,
+ struct intel_shared_dpll *pll,
+ bool state)
{
bool cur_state;
struct intel_dpll_hw_state hw_state;
"%s assertion failure (expected %s, current %s)\n",
pll->name, state_string(state), state_string(cur_state));
}
-#define assert_shared_dpll_enabled(d, p) assert_shared_dpll(d, p, true)
-#define assert_shared_dpll_disabled(d, p) assert_shared_dpll(d, p, false)
static void assert_fdi_tx(struct drm_i915_private *dev_priv,
enum pipe pipe, bool state)
WARN(!(val & FDI_TX_PLL_ENABLE), "FDI TX PLL assertion failure, should be active but is disabled\n");
}
-static void assert_fdi_rx_pll_enabled(struct drm_i915_private *dev_priv,
- enum pipe pipe)
+void assert_fdi_rx_pll(struct drm_i915_private *dev_priv,
+ enum pipe pipe, bool state)
{
int reg;
u32 val;
+ bool cur_state;
reg = FDI_RX_CTL(pipe);
val = I915_READ(reg);
- WARN(!(val & FDI_RX_PLL_ENABLE), "FDI RX PLL assertion failure, should be active but is disabled\n");
+ cur_state = !!(val & FDI_RX_PLL_ENABLE);
+ WARN(cur_state != state,
+ "FDI RX PLL assertion failure (expected %s, current %s)\n",
+ state_string(state), state_string(cur_state));
}
static void assert_panel_unlocked(struct drm_i915_private *dev_priv,
}
/* Need to check both planes against the pipe */
- for (i = 0; i < INTEL_INFO(dev)->num_pipes; i++) {
+ for_each_pipe(i) {
reg = DSPCNTR(i);
val = I915_READ(reg);
cur_pipe = (val & DISPPLANE_SEL_PIPE_MASK) >>
assert_pch_hdmi_disabled(dev_priv, pipe, PCH_HDMID);
}
-/**
- * intel_enable_pll - enable a PLL
- * @dev_priv: i915 private structure
- * @pipe: pipe PLL to enable
- *
- * Enable @pipe's PLL so we can start pumping pixels from a plane. Check to
- * make sure the PLL reg is writable first though, since the panel write
- * protect mechanism may be enabled.
- *
- * Note! This is for pre-ILK only.
- *
- * Unfortunately needed by dvo_ns2501 since the dvo depends on it running.
- */
-static void intel_enable_pll(struct drm_i915_private *dev_priv, enum pipe pipe)
+static void vlv_enable_pll(struct intel_crtc *crtc)
{
- int reg;
- u32 val;
+ struct drm_device *dev = crtc->base.dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ int reg = DPLL(crtc->pipe);
+ u32 dpll = crtc->config.dpll_hw_state.dpll;
- assert_pipe_disabled(dev_priv, pipe);
+ assert_pipe_disabled(dev_priv, crtc->pipe);
/* No really, not for ILK+ */
- BUG_ON(!IS_VALLEYVIEW(dev_priv->dev) && dev_priv->info->gen >= 5);
+ BUG_ON(!IS_VALLEYVIEW(dev_priv->dev));
/* PLL is protected by panel, make sure we can write it */
if (IS_MOBILE(dev_priv->dev) && !IS_I830(dev_priv->dev))
- assert_panel_unlocked(dev_priv, pipe);
+ assert_panel_unlocked(dev_priv, crtc->pipe);
- reg = DPLL(pipe);
- val = I915_READ(reg);
- val |= DPLL_VCO_ENABLE;
+ I915_WRITE(reg, dpll);
+ POSTING_READ(reg);
+ udelay(150);
+
+ if (wait_for(((I915_READ(reg) & DPLL_LOCK_VLV) == DPLL_LOCK_VLV), 1))
+ DRM_ERROR("DPLL %d failed to lock\n", crtc->pipe);
+
+ I915_WRITE(DPLL_MD(crtc->pipe), crtc->config.dpll_hw_state.dpll_md);
+ POSTING_READ(DPLL_MD(crtc->pipe));
/* We do this three times for luck */
- I915_WRITE(reg, val);
+ I915_WRITE(reg, dpll);
POSTING_READ(reg);
udelay(150); /* wait for warmup */
- I915_WRITE(reg, val);
+ I915_WRITE(reg, dpll);
POSTING_READ(reg);
udelay(150); /* wait for warmup */
- I915_WRITE(reg, val);
+ I915_WRITE(reg, dpll);
+ POSTING_READ(reg);
+ udelay(150); /* wait for warmup */
+}
+
+static void i9xx_enable_pll(struct intel_crtc *crtc)
+{
+ struct drm_device *dev = crtc->base.dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ int reg = DPLL(crtc->pipe);
+ u32 dpll = crtc->config.dpll_hw_state.dpll;
+
+ assert_pipe_disabled(dev_priv, crtc->pipe);
+
+ /* No really, not for ILK+ */
+ BUG_ON(dev_priv->info->gen >= 5);
+
+ /* PLL is protected by panel, make sure we can write it */
+ if (IS_MOBILE(dev) && !IS_I830(dev))
+ assert_panel_unlocked(dev_priv, crtc->pipe);
+
+ I915_WRITE(reg, dpll);
+
+ /* Wait for the clocks to stabilize. */
+ POSTING_READ(reg);
+ udelay(150);
+
+ if (INTEL_INFO(dev)->gen >= 4) {
+ I915_WRITE(DPLL_MD(crtc->pipe),
+ crtc->config.dpll_hw_state.dpll_md);
+ } else {
+ /* The pixel multiplier can only be updated once the
+ * DPLL is enabled and the clocks are stable.
+ *
+ * So write it again.
+ */
+ I915_WRITE(reg, dpll);
+ }
+
+ /* We do this three times for luck */
+ I915_WRITE(reg, dpll);
+ POSTING_READ(reg);
+ udelay(150); /* wait for warmup */
+ I915_WRITE(reg, dpll);
+ POSTING_READ(reg);
+ udelay(150); /* wait for warmup */
+ I915_WRITE(reg, dpll);
POSTING_READ(reg);
udelay(150); /* wait for warmup */
}
/**
- * intel_disable_pll - disable a PLL
+ * i9xx_disable_pll - disable a PLL
* @dev_priv: i915 private structure
* @pipe: pipe PLL to disable
*
*
* Note! This is for pre-ILK only.
*/
-static void intel_disable_pll(struct drm_i915_private *dev_priv, enum pipe pipe)
+static void i9xx_disable_pll(struct drm_i915_private *dev_priv, enum pipe pipe)
{
- int reg;
- u32 val;
-
/* Don't disable pipe A or pipe A PLLs if needed */
if (pipe == PIPE_A && (dev_priv->quirks & QUIRK_PIPEA_FORCE))
return;
/* Make sure the pipe isn't still relying on us */
assert_pipe_disabled(dev_priv, pipe);
- reg = DPLL(pipe);
- val = I915_READ(reg);
- val &= ~DPLL_VCO_ENABLE;
- I915_WRITE(reg, val);
- POSTING_READ(reg);
+ I915_WRITE(DPLL(pipe), 0);
+ POSTING_READ(DPLL(pipe));
}
void vlv_wait_port_ready(struct drm_i915_private *dev_priv, int port)
intel_crtc->dspaddr_offset = linear_offset;
}
- DRM_DEBUG_KMS("Writing base %08X %08lX %d %d %d\n",
- obj->gtt_offset, linear_offset, x, y, fb->pitches[0]);
+ DRM_DEBUG_KMS("Writing base %08lX %08lX %d %d %d\n",
+ i915_gem_obj_ggtt_offset(obj), linear_offset, x, y,
+ fb->pitches[0]);
I915_WRITE(DSPSTRIDE(plane), fb->pitches[0]);
if (INTEL_INFO(dev)->gen >= 4) {
I915_MODIFY_DISPBASE(DSPSURF(plane),
- obj->gtt_offset + intel_crtc->dspaddr_offset);
+ i915_gem_obj_ggtt_offset(obj) + intel_crtc->dspaddr_offset);
I915_WRITE(DSPTILEOFF(plane), (y << 16) | x);
I915_WRITE(DSPLINOFF(plane), linear_offset);
} else
- I915_WRITE(DSPADDR(plane), obj->gtt_offset + linear_offset);
+ I915_WRITE(DSPADDR(plane), i915_gem_obj_ggtt_offset(obj) + linear_offset);
POSTING_READ(reg);
return 0;
fb->pitches[0]);
linear_offset -= intel_crtc->dspaddr_offset;
- DRM_DEBUG_KMS("Writing base %08X %08lX %d %d %d\n",
- obj->gtt_offset, linear_offset, x, y, fb->pitches[0]);
+ DRM_DEBUG_KMS("Writing base %08lX %08lX %d %d %d\n",
+ i915_gem_obj_ggtt_offset(obj), linear_offset, x, y,
+ fb->pitches[0]);
I915_WRITE(DSPSTRIDE(plane), fb->pitches[0]);
I915_MODIFY_DISPBASE(DSPSURF(plane),
- obj->gtt_offset + intel_crtc->dspaddr_offset);
+ i915_gem_obj_ggtt_offset(obj) + intel_crtc->dspaddr_offset);
if (IS_HASWELL(dev)) {
I915_WRITE(DSPOFFSET(plane), (y << 16) | x);
} else {
return ret;
}
+ /* Update pipe size and adjust fitter if needed */
+ if (i915_fastboot) {
+ I915_WRITE(PIPESRC(intel_crtc->pipe),
+ ((crtc->mode.hdisplay - 1) << 16) |
+ (crtc->mode.vdisplay - 1));
+ if (!intel_crtc->config.pch_pfit.size &&
+ (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS) ||
+ intel_pipe_has_type(crtc, INTEL_OUTPUT_EDP))) {
+ I915_WRITE(PF_CTL(intel_crtc->pipe), 0);
+ I915_WRITE(PF_WIN_POS(intel_crtc->pipe), 0);
+ I915_WRITE(PF_WIN_SZ(intel_crtc->pipe), 0);
+ }
+ }
+
ret = dev_priv->display.update_plane(crtc, fb, x, y);
if (ret) {
intel_unpin_fb_obj(to_intel_framebuffer(fb)->obj);
}
intel_update_fbc(dev);
+ intel_edp_psr_update(dev);
mutex_unlock(&dev->struct_mutex);
intel_crtc_update_sarea_pos(crtc, x, y);
/* For PCH output, training FDI link */
dev_priv->display.fdi_link_train(crtc);
- /* XXX: pch pll's can be enabled any time before we enable the PCH
- * transcoder, and we actually should do this to not upset any PCH
- * transcoder that already use the clock when we share it.
- *
- * Note that enable_shared_dpll tries to do the right thing, but
- * get_shared_dpll unconditionally resets the pll - we need that to have
- * the right LVDS enable sequence. */
- ironlake_enable_shared_dpll(intel_crtc);
-
+ /* We need to program the right clock selection before writing the pixel
+ * mutliplier into the DPLL. */
if (HAS_PCH_CPT(dev)) {
u32 sel;
I915_WRITE(PCH_DPLL_SEL, temp);
}
+ /* XXX: pch pll's can be enabled any time before we enable the PCH
+ * transcoder, and we actually should do this to not upset any PCH
+ * transcoder that already use the clock when we share it.
+ *
+ * Note that enable_shared_dpll tries to do the right thing, but
+ * get_shared_dpll unconditionally resets the pll - we need that to have
+ * the right LVDS enable sequence. */
+ ironlake_enable_shared_dpll(intel_crtc);
+
/* set transcoder timing, panel must allow it */
assert_panel_unlocked(dev_priv, pipe);
ironlake_pch_transcoder_set_timings(intel_crtc, pipe);
crtc->config.shared_dpll = DPLL_ID_PRIVATE;
}
-static struct intel_shared_dpll *intel_get_shared_dpll(struct intel_crtc *crtc, u32 dpll, u32 fp)
+static struct intel_shared_dpll *intel_get_shared_dpll(struct intel_crtc *crtc)
{
struct drm_i915_private *dev_priv = crtc->base.dev->dev_private;
struct intel_shared_dpll *pll = intel_crtc_to_shared_dpll(crtc);
if (HAS_PCH_IBX(dev_priv->dev)) {
/* Ironlake PCH has a fixed PLL->PCH pipe mapping. */
- i = crtc->pipe;
+ i = (enum intel_dpll_id) crtc->pipe;
pll = &dev_priv->shared_dplls[i];
DRM_DEBUG_KMS("CRTC:%d using pre-allocated %s\n",
if (pll->refcount == 0)
continue;
- if (dpll == (I915_READ(PCH_DPLL(pll->id)) & 0x7fffffff) &&
- fp == I915_READ(PCH_FP0(pll->id))) {
+ if (memcmp(&crtc->config.dpll_hw_state, &pll->hw_state,
+ sizeof(pll->hw_state)) == 0) {
DRM_DEBUG_KMS("CRTC:%d sharing existing %s (refcount %d, ative %d)\n",
crtc->base.base.id,
pll->name, pll->refcount, pll->active);
WARN_ON(pll->on);
assert_shared_dpll_disabled(dev_priv, pll);
- /* Wait for the clocks to stabilize before rewriting the regs */
- I915_WRITE(PCH_DPLL(pll->id), dpll & ~DPLL_VCO_ENABLE);
- POSTING_READ(PCH_DPLL(pll->id));
- udelay(150);
-
- I915_WRITE(PCH_FP0(pll->id), fp);
- I915_WRITE(PCH_DPLL(pll->id), dpll & ~DPLL_VCO_ENABLE);
+ pll->mode_set(dev_priv, pll);
}
pll->refcount++;
struct intel_encoder *encoder;
int pipe = intel_crtc->pipe;
int plane = intel_crtc->plane;
- u32 temp;
WARN_ON(!crtc->enabled);
intel_update_watermarks(dev);
- if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) {
- temp = I915_READ(PCH_LVDS);
- if ((temp & LVDS_PORT_EN) == 0)
- I915_WRITE(PCH_LVDS, temp | LVDS_PORT_EN);
- }
-
+ for_each_encoder_on_crtc(dev, crtc, encoder)
+ if (encoder->pre_enable)
+ encoder->pre_enable(encoder);
if (intel_crtc->config.has_pch_encoder) {
/* Note: FDI PLL enabling _must_ be done before we enable the
assert_fdi_rx_disabled(dev_priv, pipe);
}
- for_each_encoder_on_crtc(dev, crtc, encoder)
- if (encoder->pre_enable)
- encoder->pre_enable(encoder);
-
ironlake_pfit_enable(intel_crtc);
/*
intel_crtc_wait_for_pending_flips(crtc);
drm_vblank_off(dev, pipe);
- if (dev_priv->cfb_plane == plane)
+ if (dev_priv->fbc.plane == plane)
intel_disable_fbc(dev);
intel_crtc_update_cursor(crtc, false);
drm_vblank_off(dev, pipe);
/* FBC must be disabled before disabling the plane on HSW. */
- if (dev_priv->cfb_plane == plane)
+ if (dev_priv->fbc.plane == plane)
intel_disable_fbc(dev);
hsw_disable_ips(intel_crtc);
if (encoder->pre_pll_enable)
encoder->pre_pll_enable(encoder);
- intel_enable_pll(dev_priv, pipe);
+ vlv_enable_pll(intel_crtc);
for_each_encoder_on_crtc(dev, crtc, encoder)
if (encoder->pre_enable)
intel_crtc->active = true;
intel_update_watermarks(dev);
- intel_enable_pll(dev_priv, pipe);
-
for_each_encoder_on_crtc(dev, crtc, encoder)
if (encoder->pre_enable)
encoder->pre_enable(encoder);
+ i9xx_enable_pll(intel_crtc);
+
i9xx_pfit_enable(intel_crtc);
intel_crtc_load_lut(crtc);
intel_crtc_wait_for_pending_flips(crtc);
drm_vblank_off(dev, pipe);
- if (dev_priv->cfb_plane == plane)
+ if (dev_priv->fbc.plane == plane)
intel_disable_fbc(dev);
intel_crtc_dpms_overlay(intel_crtc, false);
if (encoder->post_disable)
encoder->post_disable(encoder);
- intel_disable_pll(dev_priv, pipe);
+ i9xx_disable_pll(dev_priv, pipe);
intel_crtc->active = false;
intel_update_fbc(dev);
}
I915_WRITE(FP0(pipe), fp);
+ crtc->config.dpll_hw_state.fp0 = fp;
crtc->lowfreq_avail = false;
if (intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_LVDS) &&
reduced_clock && i915_powersave) {
I915_WRITE(FP1(pipe), fp2);
+ crtc->config.dpll_hw_state.fp1 = fp2;
crtc->lowfreq_avail = true;
} else {
I915_WRITE(FP1(pipe), fp);
+ crtc->config.dpll_hw_state.fp1 = fp;
}
}
{
struct drm_device *dev = crtc->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
- struct intel_encoder *encoder;
int pipe = crtc->pipe;
u32 dpll, mdiv;
u32 bestn, bestm1, bestm2, bestp1, bestp2;
intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_ANALOG) ||
intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_HDMI))
vlv_dpio_write(dev_priv, DPIO_LPF_COEFF(pipe),
- 0x005f0021);
+ 0x009f0003);
else
vlv_dpio_write(dev_priv, DPIO_LPF_COEFF(pipe),
0x00d0000f);
vlv_dpio_write(dev_priv, DPIO_PLL_CML(pipe), 0x87871000);
- for_each_encoder_on_crtc(dev, &crtc->base, encoder)
- if (encoder->pre_pll_enable)
- encoder->pre_pll_enable(encoder);
-
/* Enable DPIO clock input */
dpll = DPLL_EXT_BUFFER_ENABLE_VLV | DPLL_REFA_CLK_ENABLE_VLV |
DPLL_VGA_MODE_DIS | DPLL_INTEGRATED_CLOCK_VLV;
dpll |= DPLL_INTEGRATED_CRI_CLK_VLV;
dpll |= DPLL_VCO_ENABLE;
- I915_WRITE(DPLL(pipe), dpll);
- POSTING_READ(DPLL(pipe));
- udelay(150);
-
- if (wait_for(((I915_READ(DPLL(pipe)) & DPLL_LOCK_VLV) == DPLL_LOCK_VLV), 1))
- DRM_ERROR("DPLL %d failed to lock\n", pipe);
+ crtc->config.dpll_hw_state.dpll = dpll;
dpll_md = (crtc->config.pixel_multiplier - 1)
<< DPLL_MD_UDI_MULTIPLIER_SHIFT;
- I915_WRITE(DPLL_MD(pipe), dpll_md);
- POSTING_READ(DPLL_MD(pipe));
+ crtc->config.dpll_hw_state.dpll_md = dpll_md;
if (crtc->config.has_dp_encoder)
intel_dp_set_m_n(crtc);
{
struct drm_device *dev = crtc->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
- struct intel_encoder *encoder;
- int pipe = crtc->pipe;
u32 dpll;
bool is_sdvo;
struct dpll *clock = &crtc->config.dpll;
}
if (is_sdvo)
- dpll |= DPLL_DVO_HIGH_SPEED;
+ dpll |= DPLL_SDVO_HIGH_SPEED;
if (intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_DISPLAYPORT))
- dpll |= DPLL_DVO_HIGH_SPEED;
+ dpll |= DPLL_SDVO_HIGH_SPEED;
/* compute bitmask from p1 value */
if (IS_PINEVIEW(dev))
dpll |= PLL_REF_INPUT_DREFCLK;
dpll |= DPLL_VCO_ENABLE;
- I915_WRITE(DPLL(pipe), dpll & ~DPLL_VCO_ENABLE);
- POSTING_READ(DPLL(pipe));
- udelay(150);
-
- for_each_encoder_on_crtc(dev, &crtc->base, encoder)
- if (encoder->pre_pll_enable)
- encoder->pre_pll_enable(encoder);
-
- if (crtc->config.has_dp_encoder)
- intel_dp_set_m_n(crtc);
-
- I915_WRITE(DPLL(pipe), dpll);
-
- /* Wait for the clocks to stabilize. */
- POSTING_READ(DPLL(pipe));
- udelay(150);
+ crtc->config.dpll_hw_state.dpll = dpll;
if (INTEL_INFO(dev)->gen >= 4) {
u32 dpll_md = (crtc->config.pixel_multiplier - 1)
<< DPLL_MD_UDI_MULTIPLIER_SHIFT;
- I915_WRITE(DPLL_MD(pipe), dpll_md);
- } else {
- /* The pixel multiplier can only be updated once the
- * DPLL is enabled and the clocks are stable.
- *
- * So write it again.
- */
- I915_WRITE(DPLL(pipe), dpll);
+ crtc->config.dpll_hw_state.dpll_md = dpll_md;
}
+
+ if (crtc->config.has_dp_encoder)
+ intel_dp_set_m_n(crtc);
}
static void i8xx_update_pll(struct intel_crtc *crtc,
{
struct drm_device *dev = crtc->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
- struct intel_encoder *encoder;
- int pipe = crtc->pipe;
u32 dpll;
struct dpll *clock = &crtc->config.dpll;
dpll |= PLL_P2_DIVIDE_BY_4;
}
+ if (intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_DVO))
+ dpll |= DPLL_DVO_2X_MODE;
+
if (intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_LVDS) &&
intel_panel_use_ssc(dev_priv) && num_connectors < 2)
dpll |= PLLB_REF_INPUT_SPREADSPECTRUMIN;
dpll |= PLL_REF_INPUT_DREFCLK;
dpll |= DPLL_VCO_ENABLE;
- I915_WRITE(DPLL(pipe), dpll & ~DPLL_VCO_ENABLE);
- POSTING_READ(DPLL(pipe));
- udelay(150);
-
- for_each_encoder_on_crtc(dev, &crtc->base, encoder)
- if (encoder->pre_pll_enable)
- encoder->pre_pll_enable(encoder);
-
- I915_WRITE(DPLL(pipe), dpll);
-
- /* Wait for the clocks to stabilize. */
- POSTING_READ(DPLL(pipe));
- udelay(150);
-
- /* The pixel multiplier can only be updated once the
- * DPLL is enabled and the clocks are stable.
- *
- * So write it again.
- */
- I915_WRITE(DPLL(pipe), dpll);
+ crtc->config.dpll_hw_state.dpll = dpll;
}
static void intel_set_pipe_timings(struct intel_crtc *intel_crtc)
pipe_config->requested_mode.hdisplay = ((tmp >> 16) & 0xffff) + 1;
}
+static void intel_crtc_mode_from_pipe_config(struct intel_crtc *intel_crtc,
+ struct intel_crtc_config *pipe_config)
+{
+ struct drm_crtc *crtc = &intel_crtc->base;
+
+ crtc->mode.hdisplay = pipe_config->adjusted_mode.crtc_hdisplay;
+ crtc->mode.htotal = pipe_config->adjusted_mode.crtc_htotal;
+ crtc->mode.hsync_start = pipe_config->adjusted_mode.crtc_hsync_start;
+ crtc->mode.hsync_end = pipe_config->adjusted_mode.crtc_hsync_end;
+
+ crtc->mode.vdisplay = pipe_config->adjusted_mode.crtc_vdisplay;
+ crtc->mode.vtotal = pipe_config->adjusted_mode.crtc_vtotal;
+ crtc->mode.vsync_start = pipe_config->adjusted_mode.crtc_vsync_start;
+ crtc->mode.vsync_end = pipe_config->adjusted_mode.crtc_vsync_end;
+
+ crtc->mode.flags = pipe_config->adjusted_mode.flags;
+
+ crtc->mode.clock = pipe_config->adjusted_mode.clock;
+ crtc->mode.flags |= pipe_config->adjusted_mode.flags;
+}
+
static void i9xx_set_pipeconf(struct intel_crtc *intel_crtc)
{
struct drm_device *dev = intel_crtc->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
uint32_t tmp;
- pipe_config->cpu_transcoder = crtc->pipe;
+ pipe_config->cpu_transcoder = (enum transcoder) crtc->pipe;
pipe_config->shared_dpll = DPLL_ID_PRIVATE;
tmp = I915_READ(PIPECONF(crtc->pipe));
pipe_config->pixel_multiplier =
((tmp & DPLL_MD_UDI_MULTIPLIER_MASK)
>> DPLL_MD_UDI_MULTIPLIER_SHIFT) + 1;
+ pipe_config->dpll_hw_state.dpll_md = tmp;
} else if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev)) {
tmp = I915_READ(DPLL(crtc->pipe));
pipe_config->pixel_multiplier =
* function. */
pipe_config->pixel_multiplier = 1;
}
+ pipe_config->dpll_hw_state.dpll = I915_READ(DPLL(crtc->pipe));
+ if (!IS_VALLEYVIEW(dev)) {
+ pipe_config->dpll_hw_state.fp0 = I915_READ(FP0(crtc->pipe));
+ pipe_config->dpll_hw_state.fp1 = I915_READ(FP1(crtc->pipe));
+ } else {
+ /* Mask out read-only status bits. */
+ pipe_config->dpll_hw_state.dpll &= ~(DPLL_LOCK_VLV |
+ DPLL_PORTC_READY_MASK |
+ DPLL_PORTB_READY_MASK);
+ }
return true;
}
BUG_ON(val != final);
}
-/* Sequence to enable CLKOUT_DP for FDI usage and configure PCH FDI I/O. */
-static void lpt_init_pch_refclk(struct drm_device *dev)
+static void lpt_reset_fdi_mphy(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
- struct drm_mode_config *mode_config = &dev->mode_config;
- struct intel_encoder *encoder;
- bool has_vga = false;
- bool is_sdv = false;
- u32 tmp;
-
- list_for_each_entry(encoder, &mode_config->encoder_list, base.head) {
- switch (encoder->type) {
- case INTEL_OUTPUT_ANALOG:
- has_vga = true;
- break;
- }
- }
-
- if (!has_vga)
- return;
-
- mutex_lock(&dev_priv->dpio_lock);
-
- /* XXX: Rip out SDV support once Haswell ships for real. */
- if (IS_HASWELL(dev) && (dev->pci_device & 0xFF00) == 0x0C00)
- is_sdv = true;
-
- tmp = intel_sbi_read(dev_priv, SBI_SSCCTL, SBI_ICLK);
- tmp &= ~SBI_SSCCTL_DISABLE;
- tmp |= SBI_SSCCTL_PATHALT;
- intel_sbi_write(dev_priv, SBI_SSCCTL, tmp, SBI_ICLK);
-
- udelay(24);
+ uint32_t tmp;
- tmp = intel_sbi_read(dev_priv, SBI_SSCCTL, SBI_ICLK);
- tmp &= ~SBI_SSCCTL_PATHALT;
- intel_sbi_write(dev_priv, SBI_SSCCTL, tmp, SBI_ICLK);
+ tmp = I915_READ(SOUTH_CHICKEN2);
+ tmp |= FDI_MPHY_IOSFSB_RESET_CTL;
+ I915_WRITE(SOUTH_CHICKEN2, tmp);
- if (!is_sdv) {
- tmp = I915_READ(SOUTH_CHICKEN2);
- tmp |= FDI_MPHY_IOSFSB_RESET_CTL;
- I915_WRITE(SOUTH_CHICKEN2, tmp);
+ if (wait_for_atomic_us(I915_READ(SOUTH_CHICKEN2) &
+ FDI_MPHY_IOSFSB_RESET_STATUS, 100))
+ DRM_ERROR("FDI mPHY reset assert timeout\n");
- if (wait_for_atomic_us(I915_READ(SOUTH_CHICKEN2) &
- FDI_MPHY_IOSFSB_RESET_STATUS, 100))
- DRM_ERROR("FDI mPHY reset assert timeout\n");
+ tmp = I915_READ(SOUTH_CHICKEN2);
+ tmp &= ~FDI_MPHY_IOSFSB_RESET_CTL;
+ I915_WRITE(SOUTH_CHICKEN2, tmp);
- tmp = I915_READ(SOUTH_CHICKEN2);
- tmp &= ~FDI_MPHY_IOSFSB_RESET_CTL;
- I915_WRITE(SOUTH_CHICKEN2, tmp);
+ if (wait_for_atomic_us((I915_READ(SOUTH_CHICKEN2) &
+ FDI_MPHY_IOSFSB_RESET_STATUS) == 0, 100))
+ DRM_ERROR("FDI mPHY reset de-assert timeout\n");
+}
- if (wait_for_atomic_us((I915_READ(SOUTH_CHICKEN2) &
- FDI_MPHY_IOSFSB_RESET_STATUS) == 0,
- 100))
- DRM_ERROR("FDI mPHY reset de-assert timeout\n");
- }
+/* WaMPhyProgramming:hsw */
+static void lpt_program_fdi_mphy(struct drm_i915_private *dev_priv)
+{
+ uint32_t tmp;
tmp = intel_sbi_read(dev_priv, 0x8008, SBI_MPHY);
tmp &= ~(0xFF << 24);
tmp |= (0x12 << 24);
intel_sbi_write(dev_priv, 0x8008, tmp, SBI_MPHY);
- if (is_sdv) {
- tmp = intel_sbi_read(dev_priv, 0x800C, SBI_MPHY);
- tmp |= 0x7FFF;
- intel_sbi_write(dev_priv, 0x800C, tmp, SBI_MPHY);
- }
-
tmp = intel_sbi_read(dev_priv, 0x2008, SBI_MPHY);
tmp |= (1 << 11);
intel_sbi_write(dev_priv, 0x2008, tmp, SBI_MPHY);
tmp |= (1 << 11);
intel_sbi_write(dev_priv, 0x2108, tmp, SBI_MPHY);
- if (is_sdv) {
- tmp = intel_sbi_read(dev_priv, 0x2038, SBI_MPHY);
- tmp |= (0x3F << 24) | (0xF << 20) | (0xF << 16);
- intel_sbi_write(dev_priv, 0x2038, tmp, SBI_MPHY);
-
- tmp = intel_sbi_read(dev_priv, 0x2138, SBI_MPHY);
- tmp |= (0x3F << 24) | (0xF << 20) | (0xF << 16);
- intel_sbi_write(dev_priv, 0x2138, tmp, SBI_MPHY);
-
- tmp = intel_sbi_read(dev_priv, 0x203C, SBI_MPHY);
- tmp |= (0x3F << 8);
- intel_sbi_write(dev_priv, 0x203C, tmp, SBI_MPHY);
-
- tmp = intel_sbi_read(dev_priv, 0x213C, SBI_MPHY);
- tmp |= (0x3F << 8);
- intel_sbi_write(dev_priv, 0x213C, tmp, SBI_MPHY);
- }
-
tmp = intel_sbi_read(dev_priv, 0x206C, SBI_MPHY);
tmp |= (1 << 24) | (1 << 21) | (1 << 18);
intel_sbi_write(dev_priv, 0x206C, tmp, SBI_MPHY);
tmp |= (1 << 24) | (1 << 21) | (1 << 18);
intel_sbi_write(dev_priv, 0x216C, tmp, SBI_MPHY);
- if (!is_sdv) {
- tmp = intel_sbi_read(dev_priv, 0x2080, SBI_MPHY);
- tmp &= ~(7 << 13);
- tmp |= (5 << 13);
- intel_sbi_write(dev_priv, 0x2080, tmp, SBI_MPHY);
+ tmp = intel_sbi_read(dev_priv, 0x2080, SBI_MPHY);
+ tmp &= ~(7 << 13);
+ tmp |= (5 << 13);
+ intel_sbi_write(dev_priv, 0x2080, tmp, SBI_MPHY);
- tmp = intel_sbi_read(dev_priv, 0x2180, SBI_MPHY);
- tmp &= ~(7 << 13);
- tmp |= (5 << 13);
- intel_sbi_write(dev_priv, 0x2180, tmp, SBI_MPHY);
- }
+ tmp = intel_sbi_read(dev_priv, 0x2180, SBI_MPHY);
+ tmp &= ~(7 << 13);
+ tmp |= (5 << 13);
+ intel_sbi_write(dev_priv, 0x2180, tmp, SBI_MPHY);
tmp = intel_sbi_read(dev_priv, 0x208C, SBI_MPHY);
tmp &= ~0xFF;
tmp |= (0x1C << 16);
intel_sbi_write(dev_priv, 0x2198, tmp, SBI_MPHY);
- if (!is_sdv) {
- tmp = intel_sbi_read(dev_priv, 0x20C4, SBI_MPHY);
- tmp |= (1 << 27);
- intel_sbi_write(dev_priv, 0x20C4, tmp, SBI_MPHY);
+ tmp = intel_sbi_read(dev_priv, 0x20C4, SBI_MPHY);
+ tmp |= (1 << 27);
+ intel_sbi_write(dev_priv, 0x20C4, tmp, SBI_MPHY);
+
+ tmp = intel_sbi_read(dev_priv, 0x21C4, SBI_MPHY);
+ tmp |= (1 << 27);
+ intel_sbi_write(dev_priv, 0x21C4, tmp, SBI_MPHY);
- tmp = intel_sbi_read(dev_priv, 0x21C4, SBI_MPHY);
- tmp |= (1 << 27);
- intel_sbi_write(dev_priv, 0x21C4, tmp, SBI_MPHY);
+ tmp = intel_sbi_read(dev_priv, 0x20EC, SBI_MPHY);
+ tmp &= ~(0xF << 28);
+ tmp |= (4 << 28);
+ intel_sbi_write(dev_priv, 0x20EC, tmp, SBI_MPHY);
+
+ tmp = intel_sbi_read(dev_priv, 0x21EC, SBI_MPHY);
+ tmp &= ~(0xF << 28);
+ tmp |= (4 << 28);
+ intel_sbi_write(dev_priv, 0x21EC, tmp, SBI_MPHY);
+}
- tmp = intel_sbi_read(dev_priv, 0x20EC, SBI_MPHY);
- tmp &= ~(0xF << 28);
- tmp |= (4 << 28);
- intel_sbi_write(dev_priv, 0x20EC, tmp, SBI_MPHY);
+/* Implements 3 different sequences from BSpec chapter "Display iCLK
+ * Programming" based on the parameters passed:
+ * - Sequence to enable CLKOUT_DP
+ * - Sequence to enable CLKOUT_DP without spread
+ * - Sequence to enable CLKOUT_DP for FDI usage and configure PCH FDI I/O
+ */
+static void lpt_enable_clkout_dp(struct drm_device *dev, bool with_spread,
+ bool with_fdi)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ uint32_t reg, tmp;
- tmp = intel_sbi_read(dev_priv, 0x21EC, SBI_MPHY);
- tmp &= ~(0xF << 28);
- tmp |= (4 << 28);
- intel_sbi_write(dev_priv, 0x21EC, tmp, SBI_MPHY);
+ if (WARN(with_fdi && !with_spread, "FDI requires downspread\n"))
+ with_spread = true;
+ if (WARN(dev_priv->pch_id == INTEL_PCH_LPT_LP_DEVICE_ID_TYPE &&
+ with_fdi, "LP PCH doesn't have FDI\n"))
+ with_fdi = false;
+
+ mutex_lock(&dev_priv->dpio_lock);
+
+ tmp = intel_sbi_read(dev_priv, SBI_SSCCTL, SBI_ICLK);
+ tmp &= ~SBI_SSCCTL_DISABLE;
+ tmp |= SBI_SSCCTL_PATHALT;
+ intel_sbi_write(dev_priv, SBI_SSCCTL, tmp, SBI_ICLK);
+
+ udelay(24);
+
+ if (with_spread) {
+ tmp = intel_sbi_read(dev_priv, SBI_SSCCTL, SBI_ICLK);
+ tmp &= ~SBI_SSCCTL_PATHALT;
+ intel_sbi_write(dev_priv, SBI_SSCCTL, tmp, SBI_ICLK);
+
+ if (with_fdi) {
+ lpt_reset_fdi_mphy(dev_priv);
+ lpt_program_fdi_mphy(dev_priv);
+ }
}
- /* ULT uses SBI_GEN0, but ULT doesn't have VGA, so we don't care. */
- tmp = intel_sbi_read(dev_priv, SBI_DBUFF0, SBI_ICLK);
- tmp |= SBI_DBUFF0_ENABLE;
- intel_sbi_write(dev_priv, SBI_DBUFF0, tmp, SBI_ICLK);
+ reg = (dev_priv->pch_id == INTEL_PCH_LPT_LP_DEVICE_ID_TYPE) ?
+ SBI_GEN0 : SBI_DBUFF0;
+ tmp = intel_sbi_read(dev_priv, reg, SBI_ICLK);
+ tmp |= SBI_GEN0_CFG_BUFFENABLE_DISABLE;
+ intel_sbi_write(dev_priv, reg, tmp, SBI_ICLK);
+
+ mutex_unlock(&dev_priv->dpio_lock);
+}
+
+/* Sequence to disable CLKOUT_DP */
+static void lpt_disable_clkout_dp(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ uint32_t reg, tmp;
+
+ mutex_lock(&dev_priv->dpio_lock);
+
+ reg = (dev_priv->pch_id == INTEL_PCH_LPT_LP_DEVICE_ID_TYPE) ?
+ SBI_GEN0 : SBI_DBUFF0;
+ tmp = intel_sbi_read(dev_priv, reg, SBI_ICLK);
+ tmp &= ~SBI_GEN0_CFG_BUFFENABLE_DISABLE;
+ intel_sbi_write(dev_priv, reg, tmp, SBI_ICLK);
+
+ tmp = intel_sbi_read(dev_priv, SBI_SSCCTL, SBI_ICLK);
+ if (!(tmp & SBI_SSCCTL_DISABLE)) {
+ if (!(tmp & SBI_SSCCTL_PATHALT)) {
+ tmp |= SBI_SSCCTL_PATHALT;
+ intel_sbi_write(dev_priv, SBI_SSCCTL, tmp, SBI_ICLK);
+ udelay(32);
+ }
+ tmp |= SBI_SSCCTL_DISABLE;
+ intel_sbi_write(dev_priv, SBI_SSCCTL, tmp, SBI_ICLK);
+ }
mutex_unlock(&dev_priv->dpio_lock);
}
+static void lpt_init_pch_refclk(struct drm_device *dev)
+{
+ struct drm_mode_config *mode_config = &dev->mode_config;
+ struct intel_encoder *encoder;
+ bool has_vga = false;
+
+ list_for_each_entry(encoder, &mode_config->encoder_list, base.head) {
+ switch (encoder->type) {
+ case INTEL_OUTPUT_ANALOG:
+ has_vga = true;
+ break;
+ }
+ }
+
+ if (has_vga)
+ lpt_enable_clkout_dp(dev, true, true);
+ else
+ lpt_disable_clkout_dp(dev);
+}
+
/*
* Initialize reference clocks when the driver loads
*/
<< PLL_REF_SDVO_HDMI_MULTIPLIER_SHIFT;
if (is_sdvo)
- dpll |= DPLL_DVO_HIGH_SPEED;
+ dpll |= DPLL_SDVO_HIGH_SPEED;
if (intel_crtc->config.has_dp_encoder)
- dpll |= DPLL_DVO_HIGH_SPEED;
+ dpll |= DPLL_SDVO_HIGH_SPEED;
/* compute bitmask from p1 value */
dpll |= (1 << (intel_crtc->config.dpll.p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT;
else
intel_crtc->config.dpll_hw_state.fp1 = fp;
- pll = intel_get_shared_dpll(intel_crtc, dpll, fp);
+ pll = intel_get_shared_dpll(intel_crtc);
if (pll == NULL) {
DRM_DEBUG_DRIVER("failed to find PLL for pipe %c\n",
pipe_name(pipe));
if (intel_crtc->config.has_dp_encoder)
intel_dp_set_m_n(intel_crtc);
- for_each_encoder_on_crtc(dev, crtc, encoder)
- if (encoder->pre_pll_enable)
- encoder->pre_pll_enable(encoder);
-
if (is_lvds && has_reduced_clock && i915_powersave)
intel_crtc->lowfreq_avail = true;
else
if (intel_crtc->config.has_pch_encoder) {
pll = intel_crtc_to_shared_dpll(intel_crtc);
- I915_WRITE(PCH_DPLL(pll->id), dpll);
-
- /* Wait for the clocks to stabilize. */
- POSTING_READ(PCH_DPLL(pll->id));
- udelay(150);
-
- /* The pixel multiplier can only be updated once the
- * DPLL is enabled and the clocks are stable.
- *
- * So write it again.
- */
- I915_WRITE(PCH_DPLL(pll->id), dpll);
-
- if (has_reduced_clock)
- I915_WRITE(PCH_FP1(pll->id), fp2);
- else
- I915_WRITE(PCH_FP1(pll->id), fp);
}
intel_set_pipe_timings(intel_crtc);
struct drm_i915_private *dev_priv = dev->dev_private;
uint32_t tmp;
- pipe_config->cpu_transcoder = crtc->pipe;
+ pipe_config->cpu_transcoder = (enum transcoder) crtc->pipe;
pipe_config->shared_dpll = DPLL_ID_PRIVATE;
tmp = I915_READ(PIPECONF(crtc->pipe));
ironlake_get_fdi_m_n_config(crtc, pipe_config);
- /* XXX: Can't properly read out the pch dpll pixel multiplier
- * since we don't have state tracking for pch clocks yet. */
- pipe_config->pixel_multiplier = 1;
-
if (HAS_PCH_IBX(dev_priv->dev)) {
- pipe_config->shared_dpll = crtc->pipe;
+ pipe_config->shared_dpll =
+ (enum intel_dpll_id) crtc->pipe;
} else {
tmp = I915_READ(PCH_DPLL_SEL);
if (tmp & TRANS_DPLLB_SEL(crtc->pipe))
WARN_ON(!pll->get_hw_state(dev_priv, pll,
&pipe_config->dpll_hw_state));
+
+ tmp = pipe_config->dpll_hw_state.dpll;
+ pipe_config->pixel_multiplier =
+ ((tmp & PLL_REF_SDVO_HDMI_MULTIPLIER_MASK)
+ >> PLL_REF_SDVO_HDMI_MULTIPLIER_SHIFT) + 1;
} else {
pipe_config->pixel_multiplier = 1;
}
return true;
}
+static void assert_can_disable_lcpll(struct drm_i915_private *dev_priv)
+{
+ struct drm_device *dev = dev_priv->dev;
+ struct intel_ddi_plls *plls = &dev_priv->ddi_plls;
+ struct intel_crtc *crtc;
+ unsigned long irqflags;
+ uint32_t val, pch_hpd_mask;
+
+ pch_hpd_mask = SDE_PORTB_HOTPLUG_CPT | SDE_PORTC_HOTPLUG_CPT;
+ if (!(dev_priv->pch_id == INTEL_PCH_LPT_LP_DEVICE_ID_TYPE))
+ pch_hpd_mask |= SDE_PORTD_HOTPLUG_CPT | SDE_CRT_HOTPLUG_CPT;
+
+ list_for_each_entry(crtc, &dev->mode_config.crtc_list, base.head)
+ WARN(crtc->base.enabled, "CRTC for pipe %c enabled\n",
+ pipe_name(crtc->pipe));
+
+ WARN(I915_READ(HSW_PWR_WELL_DRIVER), "Power well on\n");
+ WARN(plls->spll_refcount, "SPLL enabled\n");
+ WARN(plls->wrpll1_refcount, "WRPLL1 enabled\n");
+ WARN(plls->wrpll2_refcount, "WRPLL2 enabled\n");
+ WARN(I915_READ(PCH_PP_STATUS) & PP_ON, "Panel power on\n");
+ WARN(I915_READ(BLC_PWM_CPU_CTL2) & BLM_PWM_ENABLE,
+ "CPU PWM1 enabled\n");
+ WARN(I915_READ(HSW_BLC_PWM2_CTL) & BLM_PWM_ENABLE,
+ "CPU PWM2 enabled\n");
+ WARN(I915_READ(BLC_PWM_PCH_CTL1) & BLM_PCH_PWM_ENABLE,
+ "PCH PWM1 enabled\n");
+ WARN(I915_READ(UTIL_PIN_CTL) & UTIL_PIN_ENABLE,
+ "Utility pin enabled\n");
+ WARN(I915_READ(PCH_GTC_CTL) & PCH_GTC_ENABLE, "PCH GTC enabled\n");
+
+ spin_lock_irqsave(&dev_priv->irq_lock, irqflags);
+ val = I915_READ(DEIMR);
+ WARN((val & ~DE_PCH_EVENT_IVB) != val,
+ "Unexpected DEIMR bits enabled: 0x%x\n", val);
+ val = I915_READ(SDEIMR);
+ WARN((val & ~pch_hpd_mask) != val,
+ "Unexpected SDEIMR bits enabled: 0x%x\n", val);
+ spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags);
+}
+
+/*
+ * This function implements pieces of two sequences from BSpec:
+ * - Sequence for display software to disable LCPLL
+ * - Sequence for display software to allow package C8+
+ * The steps implemented here are just the steps that actually touch the LCPLL
+ * register. Callers should take care of disabling all the display engine
+ * functions, doing the mode unset, fixing interrupts, etc.
+ */
+void hsw_disable_lcpll(struct drm_i915_private *dev_priv,
+ bool switch_to_fclk, bool allow_power_down)
+{
+ uint32_t val;
+
+ assert_can_disable_lcpll(dev_priv);
+
+ val = I915_READ(LCPLL_CTL);
+
+ if (switch_to_fclk) {
+ val |= LCPLL_CD_SOURCE_FCLK;
+ I915_WRITE(LCPLL_CTL, val);
+
+ if (wait_for_atomic_us(I915_READ(LCPLL_CTL) &
+ LCPLL_CD_SOURCE_FCLK_DONE, 1))
+ DRM_ERROR("Switching to FCLK failed\n");
+
+ val = I915_READ(LCPLL_CTL);
+ }
+
+ val |= LCPLL_PLL_DISABLE;
+ I915_WRITE(LCPLL_CTL, val);
+ POSTING_READ(LCPLL_CTL);
+
+ if (wait_for((I915_READ(LCPLL_CTL) & LCPLL_PLL_LOCK) == 0, 1))
+ DRM_ERROR("LCPLL still locked\n");
+
+ val = I915_READ(D_COMP);
+ val |= D_COMP_COMP_DISABLE;
+ I915_WRITE(D_COMP, val);
+ POSTING_READ(D_COMP);
+ ndelay(100);
+
+ if (wait_for((I915_READ(D_COMP) & D_COMP_RCOMP_IN_PROGRESS) == 0, 1))
+ DRM_ERROR("D_COMP RCOMP still in progress\n");
+
+ if (allow_power_down) {
+ val = I915_READ(LCPLL_CTL);
+ val |= LCPLL_POWER_DOWN_ALLOW;
+ I915_WRITE(LCPLL_CTL, val);
+ POSTING_READ(LCPLL_CTL);
+ }
+}
+
+/*
+ * Fully restores LCPLL, disallowing power down and switching back to LCPLL
+ * source.
+ */
+void hsw_restore_lcpll(struct drm_i915_private *dev_priv)
+{
+ uint32_t val;
+
+ val = I915_READ(LCPLL_CTL);
+
+ if ((val & (LCPLL_PLL_LOCK | LCPLL_PLL_DISABLE | LCPLL_CD_SOURCE_FCLK |
+ LCPLL_POWER_DOWN_ALLOW)) == LCPLL_PLL_LOCK)
+ return;
+
+ if (val & LCPLL_POWER_DOWN_ALLOW) {
+ val &= ~LCPLL_POWER_DOWN_ALLOW;
+ I915_WRITE(LCPLL_CTL, val);
+ }
+
+ val = I915_READ(D_COMP);
+ val |= D_COMP_COMP_FORCE;
+ val &= ~D_COMP_COMP_DISABLE;
+ I915_WRITE(D_COMP, val);
+ I915_READ(D_COMP);
+
+ val = I915_READ(LCPLL_CTL);
+ val &= ~LCPLL_PLL_DISABLE;
+ I915_WRITE(LCPLL_CTL, val);
+
+ if (wait_for(I915_READ(LCPLL_CTL) & LCPLL_PLL_LOCK, 5))
+ DRM_ERROR("LCPLL not locked yet\n");
+
+ if (val & LCPLL_CD_SOURCE_FCLK) {
+ val = I915_READ(LCPLL_CTL);
+ val &= ~LCPLL_CD_SOURCE_FCLK;
+ I915_WRITE(LCPLL_CTL, val);
+
+ if (wait_for_atomic_us((I915_READ(LCPLL_CTL) &
+ LCPLL_CD_SOURCE_FCLK_DONE) == 0, 1))
+ DRM_ERROR("Switching back to LCPLL failed\n");
+ }
+}
+
static void haswell_modeset_global_resources(struct drm_device *dev)
{
bool enable = false;
enum intel_display_power_domain pfit_domain;
uint32_t tmp;
- pipe_config->cpu_transcoder = crtc->pipe;
+ pipe_config->cpu_transcoder = (enum transcoder) crtc->pipe;
pipe_config->shared_dpll = DPLL_ID_PRIVATE;
tmp = I915_READ(TRANS_DDI_FUNC_CTL(TRANSCODER_EDP));
goto fail_unpin;
}
- addr = obj->gtt_offset;
+ addr = i915_gem_obj_ggtt_offset(obj);
} else {
int align = IS_I830(dev) ? 16 * 1024 : 256;
ret = i915_gem_attach_phys_object(dev, obj,
}
/* Returns the clock of the currently programmed mode of the given pipe. */
-static int intel_crtc_clock_get(struct drm_device *dev, struct drm_crtc *crtc)
+static void i9xx_crtc_clock_get(struct intel_crtc *crtc,
+ struct intel_crtc_config *pipe_config)
{
+ struct drm_device *dev = crtc->base.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 pipe = pipe_config->cpu_transcoder;
u32 dpll = I915_READ(DPLL(pipe));
u32 fp;
intel_clock_t clock;
default:
DRM_DEBUG_KMS("Unknown DPLL mode %08x in programmed "
"mode\n", (int)(dpll & DPLL_MODE_MASK));
- return 0;
+ pipe_config->adjusted_mode.clock = 0;
+ return;
}
if (IS_PINEVIEW(dev))
}
}
- /* XXX: It would be nice to validate the clocks, but we can't reuse
- * i830PllIsValid() because it relies on the xf86_config connector
- * configuration being accurate, which it isn't necessarily.
+ pipe_config->adjusted_mode.clock = clock.dot *
+ pipe_config->pixel_multiplier;
+}
+
+static void ironlake_crtc_clock_get(struct intel_crtc *crtc,
+ struct intel_crtc_config *pipe_config)
+{
+ struct drm_device *dev = crtc->base.dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ enum transcoder cpu_transcoder = pipe_config->cpu_transcoder;
+ int link_freq, repeat;
+ u64 clock;
+ u32 link_m, link_n;
+
+ repeat = pipe_config->pixel_multiplier;
+
+ /*
+ * The calculation for the data clock is:
+ * pixel_clock = ((m/n)*(link_clock * nr_lanes * repeat))/bpp
+ * But we want to avoid losing precison if possible, so:
+ * pixel_clock = ((m * link_clock * nr_lanes * repeat)/(n*bpp))
+ *
+ * and the link clock is simpler:
+ * link_clock = (m * link_clock * repeat) / n
*/
- return clock.dot;
+ /*
+ * We need to get the FDI or DP link clock here to derive
+ * the M/N dividers.
+ *
+ * For FDI, we read it from the BIOS or use a fixed 2.7GHz.
+ * For DP, it's either 1.62GHz or 2.7GHz.
+ * We do our calculations in 10*MHz since we don't need much precison.
+ */
+ if (pipe_config->has_pch_encoder)
+ link_freq = intel_fdi_link_freq(dev) * 10000;
+ else
+ link_freq = pipe_config->port_clock;
+
+ link_m = I915_READ(PIPE_LINK_M1(cpu_transcoder));
+ link_n = I915_READ(PIPE_LINK_N1(cpu_transcoder));
+
+ if (!link_m || !link_n)
+ return;
+
+ clock = ((u64)link_m * (u64)link_freq * (u64)repeat);
+ do_div(clock, link_n);
+
+ pipe_config->adjusted_mode.clock = clock;
}
/** Returns the currently programmed mode of the given pipe. */
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
enum transcoder cpu_transcoder = intel_crtc->config.cpu_transcoder;
struct drm_display_mode *mode;
+ struct intel_crtc_config pipe_config;
int htot = I915_READ(HTOTAL(cpu_transcoder));
int hsync = I915_READ(HSYNC(cpu_transcoder));
int vtot = I915_READ(VTOTAL(cpu_transcoder));
if (!mode)
return NULL;
- mode->clock = intel_crtc_clock_get(dev, crtc);
+ /*
+ * Construct a pipe_config sufficient for getting the clock info
+ * back out of crtc_clock_get.
+ *
+ * Note, if LVDS ever uses a non-1 pixel multiplier, we'll need
+ * to use a real value here instead.
+ */
+ pipe_config.cpu_transcoder = (enum transcoder) intel_crtc->pipe;
+ pipe_config.pixel_multiplier = 1;
+ i9xx_crtc_clock_get(intel_crtc, &pipe_config);
+
+ mode->clock = pipe_config.adjusted_mode.clock;
mode->hdisplay = (htot & 0xffff) + 1;
mode->htotal = ((htot & 0xffff0000) >> 16) + 1;
mode->hsync_start = (hsync & 0xffff) + 1;
intel_ring_emit(ring, MI_DISPLAY_FLIP |
MI_DISPLAY_FLIP_PLANE(intel_crtc->plane));
intel_ring_emit(ring, fb->pitches[0]);
- intel_ring_emit(ring, obj->gtt_offset + intel_crtc->dspaddr_offset);
+ intel_ring_emit(ring, i915_gem_obj_ggtt_offset(obj) + intel_crtc->dspaddr_offset);
intel_ring_emit(ring, 0); /* aux display base address, unused */
intel_mark_page_flip_active(intel_crtc);
intel_ring_emit(ring, MI_DISPLAY_FLIP_I915 |
MI_DISPLAY_FLIP_PLANE(intel_crtc->plane));
intel_ring_emit(ring, fb->pitches[0]);
- intel_ring_emit(ring, obj->gtt_offset + intel_crtc->dspaddr_offset);
+ intel_ring_emit(ring, i915_gem_obj_ggtt_offset(obj) + intel_crtc->dspaddr_offset);
intel_ring_emit(ring, MI_NOOP);
intel_mark_page_flip_active(intel_crtc);
MI_DISPLAY_FLIP_PLANE(intel_crtc->plane));
intel_ring_emit(ring, fb->pitches[0]);
intel_ring_emit(ring,
- (obj->gtt_offset + intel_crtc->dspaddr_offset) |
+ (i915_gem_obj_ggtt_offset(obj) + intel_crtc->dspaddr_offset) |
obj->tiling_mode);
/* XXX Enabling the panel-fitter across page-flip is so far
intel_ring_emit(ring, MI_DISPLAY_FLIP |
MI_DISPLAY_FLIP_PLANE(intel_crtc->plane));
intel_ring_emit(ring, fb->pitches[0] | obj->tiling_mode);
- intel_ring_emit(ring, obj->gtt_offset + intel_crtc->dspaddr_offset);
+ intel_ring_emit(ring, i915_gem_obj_ggtt_offset(obj) + intel_crtc->dspaddr_offset);
/* Contrary to the suggestions in the documentation,
* "Enable Panel Fitter" does not seem to be required when page
intel_ring_emit(ring, MI_DISPLAY_FLIP_I915 | plane_bit);
intel_ring_emit(ring, (fb->pitches[0] | obj->tiling_mode));
- intel_ring_emit(ring, obj->gtt_offset + intel_crtc->dspaddr_offset);
+ intel_ring_emit(ring, i915_gem_obj_ggtt_offset(obj) + intel_crtc->dspaddr_offset);
intel_ring_emit(ring, (MI_NOOP));
intel_mark_page_flip_active(intel_crtc);
drm_mode_copy(&pipe_config->adjusted_mode, mode);
drm_mode_copy(&pipe_config->requested_mode, mode);
- pipe_config->cpu_transcoder = to_intel_crtc(crtc)->pipe;
+ pipe_config->cpu_transcoder =
+ (enum transcoder) to_intel_crtc(crtc)->pipe;
pipe_config->shared_dpll = DPLL_ID_PRIVATE;
/* Compute a starting value for pipe_config->pipe_bpp taking the source
}
+static bool intel_fuzzy_clock_check(struct intel_crtc_config *cur,
+ struct intel_crtc_config *new)
+{
+ int clock1, clock2, diff;
+
+ clock1 = cur->adjusted_mode.clock;
+ clock2 = new->adjusted_mode.clock;
+
+ if (clock1 == clock2)
+ return true;
+
+ if (!clock1 || !clock2)
+ return false;
+
+ diff = abs(clock1 - clock2);
+
+ if (((((diff + clock1 + clock2) * 100)) / (clock1 + clock2)) < 105)
+ return true;
+
+ return false;
+}
+
#define for_each_intel_crtc_masked(dev, mask, intel_crtc) \
list_for_each_entry((intel_crtc), \
&(dev)->mode_config.crtc_list, \
#define PIPE_CONF_CHECK_FLAGS(name, mask) \
if ((current_config->name ^ pipe_config->name) & (mask)) { \
- DRM_ERROR("mismatch in " #name " " \
+ DRM_ERROR("mismatch in " #name "(" #mask ") " \
"(expected %i, found %i)\n", \
current_config->name & (mask), \
pipe_config->name & (mask)); \
PIPE_CONF_CHECK_I(adjusted_mode.crtc_vsync_start);
PIPE_CONF_CHECK_I(adjusted_mode.crtc_vsync_end);
- if (!HAS_PCH_SPLIT(dev))
- PIPE_CONF_CHECK_I(pixel_multiplier);
+ PIPE_CONF_CHECK_I(pixel_multiplier);
PIPE_CONF_CHECK_FLAGS(adjusted_mode.flags,
DRM_MODE_FLAG_INTERLACE);
PIPE_CONF_CHECK_I(shared_dpll);
PIPE_CONF_CHECK_X(dpll_hw_state.dpll);
+ PIPE_CONF_CHECK_X(dpll_hw_state.dpll_md);
PIPE_CONF_CHECK_X(dpll_hw_state.fp0);
PIPE_CONF_CHECK_X(dpll_hw_state.fp1);
#undef PIPE_CONF_CHECK_FLAGS
#undef PIPE_CONF_QUIRK
+ if (!IS_HASWELL(dev)) {
+ if (!intel_fuzzy_clock_check(current_config, pipe_config)) {
+ DRM_ERROR("mismatch in clock (expected %d, found %d)\n",
+ current_config->adjusted_mode.clock,
+ pipe_config->adjusted_mode.clock);
+ return false;
+ }
+ }
+
return true;
}
encoder->get_config(encoder, &pipe_config);
}
+ if (dev_priv->display.get_clock)
+ dev_priv->display.get_clock(crtc, &pipe_config);
+
WARN(crtc->active != active,
"crtc active state doesn't match with hw state "
"(expected %i, found %i)\n", crtc->active, active);
} else if (set->crtc->fb != set->fb) {
/* If we have no fb then treat it as a full mode set */
if (set->crtc->fb == NULL) {
- DRM_DEBUG_KMS("crtc has no fb, full mode set\n");
- config->mode_changed = true;
+ struct intel_crtc *intel_crtc =
+ to_intel_crtc(set->crtc);
+
+ if (intel_crtc->active && i915_fastboot) {
+ DRM_DEBUG_KMS("crtc has no fb, will flip\n");
+ config->fb_changed = true;
+ } else {
+ DRM_DEBUG_KMS("inactive crtc, full mode set\n");
+ config->mode_changed = true;
+ }
} else if (set->fb == NULL) {
config->mode_changed = true;
} else if (set->fb->pixel_format !=
return val & DPLL_VCO_ENABLE;
}
+static void ibx_pch_dpll_mode_set(struct drm_i915_private *dev_priv,
+ struct intel_shared_dpll *pll)
+{
+ I915_WRITE(PCH_FP0(pll->id), pll->hw_state.fp0);
+ I915_WRITE(PCH_FP1(pll->id), pll->hw_state.fp1);
+}
+
static void ibx_pch_dpll_enable(struct drm_i915_private *dev_priv,
struct intel_shared_dpll *pll)
{
- uint32_t reg, val;
-
/* PCH refclock must be enabled first */
assert_pch_refclk_enabled(dev_priv);
- reg = PCH_DPLL(pll->id);
- val = I915_READ(reg);
- val |= DPLL_VCO_ENABLE;
- I915_WRITE(reg, val);
- POSTING_READ(reg);
+ I915_WRITE(PCH_DPLL(pll->id), pll->hw_state.dpll);
+
+ /* Wait for the clocks to stabilize. */
+ POSTING_READ(PCH_DPLL(pll->id));
+ udelay(150);
+
+ /* The pixel multiplier can only be updated once the
+ * DPLL is enabled and the clocks are stable.
+ *
+ * So write it again.
+ */
+ I915_WRITE(PCH_DPLL(pll->id), pll->hw_state.dpll);
+ POSTING_READ(PCH_DPLL(pll->id));
udelay(200);
}
{
struct drm_device *dev = dev_priv->dev;
struct intel_crtc *crtc;
- uint32_t reg, val;
/* Make sure no transcoder isn't still depending on us. */
list_for_each_entry(crtc, &dev->mode_config.crtc_list, base.head) {
assert_pch_transcoder_disabled(dev_priv, crtc->pipe);
}
- reg = PCH_DPLL(pll->id);
- val = I915_READ(reg);
- val &= ~DPLL_VCO_ENABLE;
- I915_WRITE(reg, val);
- POSTING_READ(reg);
+ I915_WRITE(PCH_DPLL(pll->id), 0);
+ POSTING_READ(PCH_DPLL(pll->id));
udelay(200);
}
for (i = 0; i < dev_priv->num_shared_dpll; i++) {
dev_priv->shared_dplls[i].id = i;
dev_priv->shared_dplls[i].name = ibx_pch_dpll_names[i];
+ dev_priv->shared_dplls[i].mode_set = ibx_pch_dpll_mode_set;
dev_priv->shared_dplls[i].enable = ibx_pch_dpll_enable;
dev_priv->shared_dplls[i].disable = ibx_pch_dpll_disable;
dev_priv->shared_dplls[i].get_hw_state =
dev_priv->display.update_plane = ironlake_update_plane;
} else if (HAS_PCH_SPLIT(dev)) {
dev_priv->display.get_pipe_config = ironlake_get_pipe_config;
+ dev_priv->display.get_clock = ironlake_crtc_clock_get;
dev_priv->display.crtc_mode_set = ironlake_crtc_mode_set;
dev_priv->display.crtc_enable = ironlake_crtc_enable;
dev_priv->display.crtc_disable = ironlake_crtc_disable;
dev_priv->display.update_plane = ironlake_update_plane;
} else if (IS_VALLEYVIEW(dev)) {
dev_priv->display.get_pipe_config = i9xx_get_pipe_config;
+ dev_priv->display.get_clock = i9xx_crtc_clock_get;
dev_priv->display.crtc_mode_set = i9xx_crtc_mode_set;
dev_priv->display.crtc_enable = valleyview_crtc_enable;
dev_priv->display.crtc_disable = i9xx_crtc_disable;
dev_priv->display.update_plane = i9xx_update_plane;
} else {
dev_priv->display.get_pipe_config = i9xx_get_pipe_config;
+ dev_priv->display.get_clock = i9xx_crtc_clock_get;
dev_priv->display.crtc_mode_set = i9xx_crtc_mode_set;
dev_priv->display.crtc_enable = i9xx_crtc_enable;
dev_priv->display.crtc_disable = i9xx_crtc_disable;
INTEL_INFO(dev)->num_pipes,
INTEL_INFO(dev)->num_pipes > 1 ? "s" : "");
- for (i = 0; i < INTEL_INFO(dev)->num_pipes; i++) {
+ for_each_pipe(i) {
intel_crtc_init(dev, i);
for (j = 0; j < dev_priv->num_plane; j++) {
ret = intel_plane_init(dev, i, j);
pipe);
}
+ list_for_each_entry(crtc, &dev->mode_config.crtc_list,
+ base.head) {
+ if (!crtc->active)
+ continue;
+ if (dev_priv->display.get_clock)
+ dev_priv->display.get_clock(crtc,
+ &crtc->config);
+ }
+
list_for_each_entry(connector, &dev->mode_config.connector_list,
base.head) {
if (connector->get_hw_state(connector)) {
intel_modeset_readout_hw_state(dev);
+ /*
+ * Now that we have the config, copy it to each CRTC struct
+ * Note that this could go away if we move to using crtc_config
+ * checking everywhere.
+ */
+ list_for_each_entry(crtc, &dev->mode_config.crtc_list,
+ base.head) {
+ if (crtc->active && i915_fastboot) {
+ intel_crtc_mode_from_pipe_config(crtc, &crtc->config);
+
+ DRM_DEBUG_KMS("[CRTC:%d] found active mode: ",
+ crtc->base.base.id);
+ drm_mode_debug_printmodeline(&crtc->base.mode);
+ }
+ }
+
/* HW state is read out, now we need to sanitize this mess. */
list_for_each_entry(encoder, &dev->mode_config.encoder_list,
base.head) {
return 0;
}
-#ifdef CONFIG_DEBUG_FS
-#include <linux/seq_file.h>
-
struct intel_display_error_state {
u32 power_well_driver;
err_printf(m, " BASE: %08x\n", error->cursor[i].base);
}
}
-#endif
projects / linux.git / blobdiff