#include <linux/reservation.h>
#include <linux/dma-buf.h>
+static bool is_mmio_work(struct intel_flip_work *work)
+{
+ return work->mmio_work.func;
+}
+
/* Primary plane formats for gen <= 3 */
static const uint32_t i8xx_primary_formats[] = {
DRM_FORMAT_C8,
static void intel_modeset_setup_hw_state(struct drm_device *dev);
static void intel_pre_disable_primary_noatomic(struct drm_crtc *crtc);
static int ilk_max_pixel_rate(struct drm_atomic_state *state);
+static int broxton_calc_cdclk(int max_pixclk);
struct intel_limit {
struct {
static void intel_complete_page_flips(struct drm_i915_private *dev_priv)
{
- struct drm_crtc *crtc;
-
- for_each_crtc(dev_priv->dev, crtc) {
- struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
- enum plane plane = intel_crtc->plane;
+ struct intel_crtc *crtc;
- intel_prepare_page_flip(dev_priv, plane);
- intel_finish_page_flip_plane(dev_priv, plane);
- }
+ for_each_intel_crtc(dev_priv->dev, crtc)
+ intel_finish_page_flip_cs(dev_priv, crtc->pipe);
}
static void intel_update_primary_planes(struct drm_device *dev)
return false;
spin_lock_irq(&dev->event_lock);
- pending = to_intel_crtc(crtc)->unpin_work != NULL;
+ pending = to_intel_crtc(crtc)->flip_work != NULL;
spin_unlock_irq(&dev->event_lock);
return pending;
if (atomic_read(&crtc->unpin_work_count) == 0)
continue;
- if (crtc->unpin_work)
+ if (crtc->flip_work)
intel_wait_for_vblank(dev, crtc->pipe);
return true;
static void page_flip_completed(struct intel_crtc *intel_crtc)
{
struct drm_i915_private *dev_priv = to_i915(intel_crtc->base.dev);
- struct intel_unpin_work *work = intel_crtc->unpin_work;
+ struct intel_flip_work *work = intel_crtc->flip_work;
- /* ensure that the unpin work is consistent wrt ->pending. */
- smp_rmb();
- intel_crtc->unpin_work = NULL;
+ intel_crtc->flip_work = NULL;
if (work->event)
drm_crtc_send_vblank_event(&intel_crtc->base, work->event);
drm_crtc_vblank_put(&intel_crtc->base);
wake_up_all(&dev_priv->pending_flip_queue);
- queue_work(dev_priv->wq, &work->work);
+ queue_work(dev_priv->wq, &work->unpin_work);
trace_i915_flip_complete(intel_crtc->plane,
work->pending_flip_obj);
if (ret == 0) {
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+ struct intel_flip_work *work;
spin_lock_irq(&dev->event_lock);
- if (intel_crtc->unpin_work) {
+ work = intel_crtc->flip_work;
+ if (work && !is_mmio_work(work)) {
WARN_ONCE(1, "Removing stuck page flip\n");
page_flip_completed(intel_crtc);
}
struct intel_crtc *intel_crtc = to_intel_crtc(state->base.crtc);
const struct drm_display_mode *adjusted_mode = &state->base.adjusted_mode;
- DRM_DEBUG_KMS("Updating scaler for [CRTC:%i] scaler_user index %u.%u\n",
- intel_crtc->base.base.id, intel_crtc->pipe, SKL_CRTC_INDEX);
+ DRM_DEBUG_KMS("Updating scaler for [CRTC:%d:%s] scaler_user index %u.%u\n",
+ intel_crtc->base.base.id, intel_crtc->base.name,
+ intel_crtc->pipe, SKL_CRTC_INDEX);
return skl_update_scaler(state, !state->base.active, SKL_CRTC_INDEX,
&state->scaler_state.scaler_id, BIT(DRM_ROTATE_0),
bool force_detach = !fb || !plane_state->visible;
- DRM_DEBUG_KMS("Updating scaler for [PLANE:%d] scaler_user index %u.%u\n",
- intel_plane->base.base.id, intel_crtc->pipe,
- drm_plane_index(&intel_plane->base));
+ DRM_DEBUG_KMS("Updating scaler for [PLANE:%d:%s] scaler_user index %u.%u\n",
+ intel_plane->base.base.id, intel_plane->base.name,
+ intel_crtc->pipe, drm_plane_index(&intel_plane->base));
ret = skl_update_scaler(crtc_state, force_detach,
drm_plane_index(&intel_plane->base),
/* check colorkey */
if (plane_state->ckey.flags != I915_SET_COLORKEY_NONE) {
- DRM_DEBUG_KMS("[PLANE:%d] scaling with color key not allowed",
- intel_plane->base.base.id);
+ DRM_DEBUG_KMS("[PLANE:%d:%s] scaling with color key not allowed",
+ intel_plane->base.base.id,
+ intel_plane->base.name);
return -EINVAL;
}
case DRM_FORMAT_VYUY:
break;
default:
- DRM_DEBUG_KMS("[PLANE:%d] FB:%d unsupported scaling format 0x%x\n",
- intel_plane->base.base.id, fb->base.id, fb->pixel_format);
+ DRM_DEBUG_KMS("[PLANE:%d:%s] FB:%d unsupported scaling format 0x%x\n",
+ intel_plane->base.base.id, intel_plane->base.name,
+ fb->base.id, fb->pixel_format);
return -EINVAL;
}
return max_cdclk_freq*90/100;
}
+static int skl_calc_cdclk(int max_pixclk, int vco);
+
static void intel_update_max_cdclk(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
if (IS_SKYLAKE(dev) || IS_KABYLAKE(dev)) {
u32 limit = I915_READ(SKL_DFSM) & SKL_DFSM_CDCLK_LIMIT_MASK;
+ int max_cdclk, vco;
+
+ vco = dev_priv->skl_preferred_vco_freq;
+ WARN_ON(vco != 8100000 && vco != 8640000);
+ /*
+ * Use the lower (vco 8640) cdclk values as a
+ * first guess. skl_calc_cdclk() will correct it
+ * if the preferred vco is 8100 instead.
+ */
if (limit == SKL_DFSM_CDCLK_LIMIT_675)
- dev_priv->max_cdclk_freq = 675000;
+ max_cdclk = 617143;
else if (limit == SKL_DFSM_CDCLK_LIMIT_540)
- dev_priv->max_cdclk_freq = 540000;
+ max_cdclk = 540000;
else if (limit == SKL_DFSM_CDCLK_LIMIT_450)
- dev_priv->max_cdclk_freq = 450000;
+ max_cdclk = 432000;
else
- dev_priv->max_cdclk_freq = 337500;
+ max_cdclk = 308571;
+
+ dev_priv->max_cdclk_freq = skl_calc_cdclk(max_cdclk, vco);
} else if (IS_BROXTON(dev)) {
dev_priv->max_cdclk_freq = 624000;
} else if (IS_BROADWELL(dev)) {
struct drm_i915_private *dev_priv = dev->dev_private;
dev_priv->cdclk_freq = dev_priv->display.get_display_clock_speed(dev);
- DRM_DEBUG_DRIVER("Current CD clock rate: %d kHz\n",
- dev_priv->cdclk_freq);
+
+ if (INTEL_GEN(dev_priv) >= 9)
+ DRM_DEBUG_DRIVER("Current CD clock rate: %d kHz, VCO: %d kHz, ref: %d kHz\n",
+ dev_priv->cdclk_freq, dev_priv->cdclk_pll.vco,
+ dev_priv->cdclk_pll.ref);
+ else
+ DRM_DEBUG_DRIVER("Current CD clock rate: %d kHz\n",
+ dev_priv->cdclk_freq);
/*
* 9:0 CMBUS [sic] CDCLK frequency (cdfreq):
*/
if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv))
I915_WRITE(GMBUSFREQ_VLV, DIV_ROUND_UP(dev_priv->cdclk_freq, 1000));
-
- if (dev_priv->max_cdclk_freq == 0)
- intel_update_max_cdclk(dev);
}
/* convert from kHz to .1 fixpoint MHz with -1MHz offset */
return DIV_ROUND_CLOSEST(cdclk - 1000, 500);
}
-static void broxton_set_cdclk(struct drm_i915_private *dev_priv, int cdclk)
+static int bxt_de_pll_vco(struct drm_i915_private *dev_priv, int cdclk)
{
- uint32_t divider;
- uint32_t ratio;
- uint32_t current_cdclk;
- int ret;
+ int ratio;
+
+ if (cdclk == dev_priv->cdclk_pll.ref)
+ return 0;
- /* frequency = 19.2MHz * ratio / 2 / div{1,1.5,2,4} */
switch (cdclk) {
+ default:
+ MISSING_CASE(cdclk);
case 144000:
+ case 288000:
+ case 384000:
+ case 576000:
+ ratio = 60;
+ break;
+ case 624000:
+ ratio = 65;
+ break;
+ }
+
+ return dev_priv->cdclk_pll.ref * ratio;
+}
+
+static void bxt_de_pll_disable(struct drm_i915_private *dev_priv)
+{
+ I915_WRITE(BXT_DE_PLL_ENABLE, 0);
+
+ /* Timeout 200us */
+ if (wait_for((I915_READ(BXT_DE_PLL_ENABLE) & BXT_DE_PLL_LOCK) == 0, 1))
+ DRM_ERROR("timeout waiting for DE PLL unlock\n");
+
+ dev_priv->cdclk_pll.vco = 0;
+}
+
+static void bxt_de_pll_enable(struct drm_i915_private *dev_priv, int vco)
+{
+ int ratio = DIV_ROUND_CLOSEST(vco, dev_priv->cdclk_pll.ref);
+ u32 val;
+
+ val = I915_READ(BXT_DE_PLL_CTL);
+ val &= ~BXT_DE_PLL_RATIO_MASK;
+ val |= BXT_DE_PLL_RATIO(ratio);
+ I915_WRITE(BXT_DE_PLL_CTL, val);
+
+ I915_WRITE(BXT_DE_PLL_ENABLE, BXT_DE_PLL_PLL_ENABLE);
+
+ /* Timeout 200us */
+ if (wait_for((I915_READ(BXT_DE_PLL_ENABLE) & BXT_DE_PLL_LOCK) != 0, 1))
+ DRM_ERROR("timeout waiting for DE PLL lock\n");
+
+ dev_priv->cdclk_pll.vco = vco;
+}
+
+static void broxton_set_cdclk(struct drm_i915_private *dev_priv, int cdclk)
+{
+ u32 val, divider;
+ int vco, ret;
+
+ vco = bxt_de_pll_vco(dev_priv, cdclk);
+
+ DRM_DEBUG_DRIVER("Changing CDCLK to %d kHz (VCO %d kHz)\n", cdclk, vco);
+
+ /* cdclk = vco / 2 / div{1,1.5,2,4} */
+ switch (DIV_ROUND_CLOSEST(vco, cdclk)) {
+ case 8:
divider = BXT_CDCLK_CD2X_DIV_SEL_4;
- ratio = BXT_DE_PLL_RATIO(60);
break;
- case 288000:
+ case 4:
divider = BXT_CDCLK_CD2X_DIV_SEL_2;
- ratio = BXT_DE_PLL_RATIO(60);
break;
- case 384000:
+ case 3:
divider = BXT_CDCLK_CD2X_DIV_SEL_1_5;
- ratio = BXT_DE_PLL_RATIO(60);
break;
- case 576000:
- divider = BXT_CDCLK_CD2X_DIV_SEL_1;
- ratio = BXT_DE_PLL_RATIO(60);
- break;
- case 624000:
+ case 2:
divider = BXT_CDCLK_CD2X_DIV_SEL_1;
- ratio = BXT_DE_PLL_RATIO(65);
- break;
- case 19200:
- /*
- * Bypass frequency with DE PLL disabled. Init ratio, divider
- * to suppress GCC warning.
- */
- ratio = 0;
- divider = 0;
break;
default:
- DRM_ERROR("unsupported CDCLK freq %d", cdclk);
+ WARN_ON(cdclk != dev_priv->cdclk_pll.ref);
+ WARN_ON(vco != 0);
- return;
+ divider = BXT_CDCLK_CD2X_DIV_SEL_1;
+ break;
}
- mutex_lock(&dev_priv->rps.hw_lock);
/* Inform power controller of upcoming frequency change */
+ mutex_lock(&dev_priv->rps.hw_lock);
ret = sandybridge_pcode_write(dev_priv, HSW_PCODE_DE_WRITE_FREQ_REQ,
0x80000000);
mutex_unlock(&dev_priv->rps.hw_lock);
return;
}
- current_cdclk = I915_READ(CDCLK_CTL) & CDCLK_FREQ_DECIMAL_MASK;
- /* convert from .1 fixpoint MHz with -1MHz offset to kHz */
- current_cdclk = current_cdclk * 500 + 1000;
+ if (dev_priv->cdclk_pll.vco != 0 &&
+ dev_priv->cdclk_pll.vco != vco)
+ bxt_de_pll_disable(dev_priv);
- /*
- * DE PLL has to be disabled when
- * - setting to 19.2MHz (bypass, PLL isn't used)
- * - before setting to 624MHz (PLL needs toggling)
- * - before setting to any frequency from 624MHz (PLL needs toggling)
- */
- if (cdclk == 19200 || cdclk == 624000 ||
- current_cdclk == 624000) {
- I915_WRITE(BXT_DE_PLL_ENABLE, ~BXT_DE_PLL_PLL_ENABLE);
- /* Timeout 200us */
- if (wait_for(!(I915_READ(BXT_DE_PLL_ENABLE) & BXT_DE_PLL_LOCK),
- 1))
- DRM_ERROR("timout waiting for DE PLL unlock\n");
- }
-
- if (cdclk != 19200) {
- uint32_t val;
-
- val = I915_READ(BXT_DE_PLL_CTL);
- val &= ~BXT_DE_PLL_RATIO_MASK;
- val |= ratio;
- I915_WRITE(BXT_DE_PLL_CTL, val);
-
- I915_WRITE(BXT_DE_PLL_ENABLE, BXT_DE_PLL_PLL_ENABLE);
- /* Timeout 200us */
- if (wait_for(I915_READ(BXT_DE_PLL_ENABLE) & BXT_DE_PLL_LOCK, 1))
- DRM_ERROR("timeout waiting for DE PLL lock\n");
-
- val = I915_READ(CDCLK_CTL);
- /*
- * FIXME if only the cd2x divider needs changing, it could be done
- * without shutting off the pipe (if only one pipe is active).
- */
- val |= BXT_CDCLK_CD2X_PIPE_NONE;
- val &= ~BXT_CDCLK_CD2X_DIV_SEL_MASK;
- val |= divider;
- /*
- * Disable SSA Precharge when CD clock frequency < 500 MHz,
- * enable otherwise.
- */
- val &= ~BXT_CDCLK_SSA_PRECHARGE_ENABLE;
- if (cdclk >= 500000)
- val |= BXT_CDCLK_SSA_PRECHARGE_ENABLE;
+ if (dev_priv->cdclk_pll.vco != vco)
+ bxt_de_pll_enable(dev_priv, vco);
- val &= ~CDCLK_FREQ_DECIMAL_MASK;
- val |= skl_cdclk_decimal(cdclk);
- I915_WRITE(CDCLK_CTL, val);
- }
+ val = divider | skl_cdclk_decimal(cdclk);
+ /*
+ * FIXME if only the cd2x divider needs changing, it could be done
+ * without shutting off the pipe (if only one pipe is active).
+ */
+ val |= BXT_CDCLK_CD2X_PIPE_NONE;
+ /*
+ * Disable SSA Precharge when CD clock frequency < 500 MHz,
+ * enable otherwise.
+ */
+ if (cdclk >= 500000)
+ val |= BXT_CDCLK_SSA_PRECHARGE_ENABLE;
+ I915_WRITE(CDCLK_CTL, val);
mutex_lock(&dev_priv->rps.hw_lock);
ret = sandybridge_pcode_write(dev_priv, HSW_PCODE_DE_WRITE_FREQ_REQ,
intel_update_cdclk(dev_priv->dev);
}
-static bool broxton_cdclk_is_enabled(struct drm_i915_private *dev_priv)
+static void bxt_sanitize_cdclk(struct drm_i915_private *dev_priv)
{
- if (!(I915_READ(BXT_DE_PLL_ENABLE) & BXT_DE_PLL_PLL_ENABLE))
- return false;
+ u32 cdctl, expected;
- /* TODO: Check for a valid CDCLK rate */
+ intel_update_cdclk(dev_priv->dev);
- if (!(I915_READ(DBUF_CTL) & DBUF_POWER_REQUEST)) {
- DRM_DEBUG_DRIVER("CDCLK enabled, but DBUF power not requested\n");
+ if (dev_priv->cdclk_pll.vco == 0 ||
+ dev_priv->cdclk_freq == dev_priv->cdclk_pll.ref)
+ goto sanitize;
- return false;
- }
+ /* DPLL okay; verify the cdclock
+ *
+ * Some BIOS versions leave an incorrect decimal frequency value and
+ * set reserved MBZ bits in CDCLK_CTL at least during exiting from S4,
+ * so sanitize this register.
+ */
+ cdctl = I915_READ(CDCLK_CTL);
+ /*
+ * Let's ignore the pipe field, since BIOS could have configured the
+ * dividers both synching to an active pipe, or asynchronously
+ * (PIPE_NONE).
+ */
+ cdctl &= ~BXT_CDCLK_CD2X_PIPE_NONE;
- if (!(I915_READ(DBUF_CTL) & DBUF_POWER_STATE)) {
- DRM_DEBUG_DRIVER("CDCLK enabled, but DBUF power hasn't settled\n");
+ expected = (cdctl & BXT_CDCLK_CD2X_DIV_SEL_MASK) |
+ skl_cdclk_decimal(dev_priv->cdclk_freq);
+ /*
+ * Disable SSA Precharge when CD clock frequency < 500 MHz,
+ * enable otherwise.
+ */
+ if (dev_priv->cdclk_freq >= 500000)
+ expected |= BXT_CDCLK_SSA_PRECHARGE_ENABLE;
- return false;
- }
+ if (cdctl == expected)
+ /* All well; nothing to sanitize */
+ return;
- return true;
-}
+sanitize:
+ DRM_DEBUG_KMS("Sanitizing cdclk programmed by pre-os\n");
-bool broxton_cdclk_verify_state(struct drm_i915_private *dev_priv)
-{
- return broxton_cdclk_is_enabled(dev_priv);
+ /* force cdclk programming */
+ dev_priv->cdclk_freq = 0;
+
+ /* force full PLL disable + enable */
+ dev_priv->cdclk_pll.vco = -1;
}
void broxton_init_cdclk(struct drm_i915_private *dev_priv)
{
- /* check if cd clock is enabled */
- if (broxton_cdclk_is_enabled(dev_priv)) {
- DRM_DEBUG_KMS("CDCLK already enabled, won't reprogram it\n");
- return;
- }
+ bxt_sanitize_cdclk(dev_priv);
- DRM_DEBUG_KMS("CDCLK not enabled, enabling it\n");
+ if (dev_priv->cdclk_freq != 0 && dev_priv->cdclk_pll.vco != 0)
+ return;
/*
* FIXME:
* - The initial CDCLK needs to be read from VBT.
* Need to make this change after VBT has changes for BXT.
- * - check if setting the max (or any) cdclk freq is really necessary
- * here, it belongs to modeset time
*/
- broxton_set_cdclk(dev_priv, 624000);
-
- I915_WRITE(DBUF_CTL, I915_READ(DBUF_CTL) | DBUF_POWER_REQUEST);
- POSTING_READ(DBUF_CTL);
-
- udelay(10);
-
- if (!(I915_READ(DBUF_CTL) & DBUF_POWER_STATE))
- DRM_ERROR("DBuf power enable timeout!\n");
+ broxton_set_cdclk(dev_priv, broxton_calc_cdclk(0));
}
void broxton_uninit_cdclk(struct drm_i915_private *dev_priv)
{
- I915_WRITE(DBUF_CTL, I915_READ(DBUF_CTL) & ~DBUF_POWER_REQUEST);
- POSTING_READ(DBUF_CTL);
+ broxton_set_cdclk(dev_priv, dev_priv->cdclk_pll.ref);
+}
- udelay(10);
+static int skl_calc_cdclk(int max_pixclk, int vco)
+{
+ if (vco == 8640000) {
+ if (max_pixclk > 540000)
+ return 617143;
+ else if (max_pixclk > 432000)
+ return 540000;
+ else if (max_pixclk > 308571)
+ return 432000;
+ else
+ return 308571;
+ } else {
+ if (max_pixclk > 540000)
+ return 675000;
+ else if (max_pixclk > 450000)
+ return 540000;
+ else if (max_pixclk > 337500)
+ return 450000;
+ else
+ return 337500;
+ }
+}
- if (I915_READ(DBUF_CTL) & DBUF_POWER_STATE)
- DRM_ERROR("DBuf power disable timeout!\n");
+static void
+skl_dpll0_update(struct drm_i915_private *dev_priv)
+{
+ u32 val;
- /* Set minimum (bypass) frequency, in effect turning off the DE PLL */
- broxton_set_cdclk(dev_priv, 19200);
-}
+ dev_priv->cdclk_pll.ref = 24000;
+ dev_priv->cdclk_pll.vco = 0;
-static const struct skl_cdclk_entry {
- unsigned int freq;
- unsigned int vco;
-} skl_cdclk_frequencies[] = {
- { .freq = 308570, .vco = 8640 },
- { .freq = 337500, .vco = 8100 },
- { .freq = 432000, .vco = 8640 },
- { .freq = 450000, .vco = 8100 },
- { .freq = 540000, .vco = 8100 },
- { .freq = 617140, .vco = 8640 },
- { .freq = 675000, .vco = 8100 },
-};
+ val = I915_READ(LCPLL1_CTL);
+ if ((val & LCPLL_PLL_ENABLE) == 0)
+ return;
-static unsigned int skl_cdclk_get_vco(unsigned int freq)
-{
- unsigned int i;
+ if (WARN_ON((val & LCPLL_PLL_LOCK) == 0))
+ return;
+
+ val = I915_READ(DPLL_CTRL1);
- for (i = 0; i < ARRAY_SIZE(skl_cdclk_frequencies); i++) {
- const struct skl_cdclk_entry *e = &skl_cdclk_frequencies[i];
+ if (WARN_ON((val & (DPLL_CTRL1_HDMI_MODE(SKL_DPLL0) |
+ DPLL_CTRL1_SSC(SKL_DPLL0) |
+ DPLL_CTRL1_OVERRIDE(SKL_DPLL0))) !=
+ DPLL_CTRL1_OVERRIDE(SKL_DPLL0)))
+ return;
- if (e->freq == freq)
- return e->vco;
+ switch (val & DPLL_CTRL1_LINK_RATE_MASK(SKL_DPLL0)) {
+ case DPLL_CTRL1_LINK_RATE(DPLL_CTRL1_LINK_RATE_810, SKL_DPLL0):
+ case DPLL_CTRL1_LINK_RATE(DPLL_CTRL1_LINK_RATE_1350, SKL_DPLL0):
+ case DPLL_CTRL1_LINK_RATE(DPLL_CTRL1_LINK_RATE_1620, SKL_DPLL0):
+ case DPLL_CTRL1_LINK_RATE(DPLL_CTRL1_LINK_RATE_2700, SKL_DPLL0):
+ dev_priv->cdclk_pll.vco = 8100000;
+ break;
+ case DPLL_CTRL1_LINK_RATE(DPLL_CTRL1_LINK_RATE_1080, SKL_DPLL0):
+ case DPLL_CTRL1_LINK_RATE(DPLL_CTRL1_LINK_RATE_2160, SKL_DPLL0):
+ dev_priv->cdclk_pll.vco = 8640000;
+ break;
+ default:
+ MISSING_CASE(val & DPLL_CTRL1_LINK_RATE_MASK(SKL_DPLL0));
+ break;
}
+}
+
+void skl_set_preferred_cdclk_vco(struct drm_i915_private *dev_priv, int vco)
+{
+ bool changed = dev_priv->skl_preferred_vco_freq != vco;
+
+ dev_priv->skl_preferred_vco_freq = vco;
- return 8100;
+ if (changed)
+ intel_update_max_cdclk(dev_priv->dev);
}
static void
skl_dpll0_enable(struct drm_i915_private *dev_priv, int vco)
{
- int min_cdclk;
+ int min_cdclk = skl_calc_cdclk(0, vco);
u32 val;
- /* select the minimum CDCLK before enabling DPLL 0 */
- if (vco == 8640)
- min_cdclk = 308570;
- else
- min_cdclk = 337500;
+ WARN_ON(vco != 8100000 && vco != 8640000);
+ /* select the minimum CDCLK before enabling DPLL 0 */
val = CDCLK_FREQ_337_308 | skl_cdclk_decimal(min_cdclk);
I915_WRITE(CDCLK_CTL, val);
POSTING_READ(CDCLK_CTL);
* 8100 while the eDP 1.4 alternate link rates need a VCO of 8640.
* The modeset code is responsible for the selection of the exact link
* rate later on, with the constraint of choosing a frequency that
- * works with required_vco.
+ * works with vco.
*/
val = I915_READ(DPLL_CTRL1);
val &= ~(DPLL_CTRL1_HDMI_MODE(SKL_DPLL0) | DPLL_CTRL1_SSC(SKL_DPLL0) |
DPLL_CTRL1_LINK_RATE_MASK(SKL_DPLL0));
val |= DPLL_CTRL1_OVERRIDE(SKL_DPLL0);
- if (vco == 8640)
+ if (vco == 8640000)
val |= DPLL_CTRL1_LINK_RATE(DPLL_CTRL1_LINK_RATE_1080,
SKL_DPLL0);
else
if (wait_for(I915_READ(LCPLL1_CTL) & LCPLL_PLL_LOCK, 5))
DRM_ERROR("DPLL0 not locked\n");
+
+ dev_priv->cdclk_pll.vco = vco;
+
+ /* We'll want to keep using the current vco from now on. */
+ skl_set_preferred_cdclk_vco(dev_priv, vco);
}
static void
I915_WRITE(LCPLL1_CTL, I915_READ(LCPLL1_CTL) & ~LCPLL_PLL_ENABLE);
if (wait_for(!(I915_READ(LCPLL1_CTL) & LCPLL_PLL_LOCK), 1))
DRM_ERROR("Couldn't disable DPLL0\n");
+
+ dev_priv->cdclk_pll.vco = 0;
}
static bool skl_cdclk_pcu_ready(struct drm_i915_private *dev_priv)
return false;
}
-static void skl_set_cdclk(struct drm_i915_private *dev_priv, int cdclk)
+static void skl_set_cdclk(struct drm_i915_private *dev_priv, int cdclk, int vco)
{
struct drm_device *dev = dev_priv->dev;
u32 freq_select, pcu_ack;
- DRM_DEBUG_DRIVER("Changing CDCLK to %dKHz\n", cdclk);
+ WARN_ON((cdclk == 24000) != (vco == 0));
+
+ DRM_DEBUG_DRIVER("Changing CDCLK to %d kHz (VCO %d kHz)\n", cdclk, vco);
if (!skl_cdclk_wait_for_pcu_ready(dev_priv)) {
DRM_ERROR("failed to inform PCU about cdclk change\n");
freq_select = CDCLK_FREQ_540;
pcu_ack = 2;
break;
- case 308570:
+ case 308571:
case 337500:
default:
freq_select = CDCLK_FREQ_337_308;
pcu_ack = 0;
break;
- case 617140:
+ case 617143:
case 675000:
freq_select = CDCLK_FREQ_675_617;
pcu_ack = 3;
break;
}
+ if (dev_priv->cdclk_pll.vco != 0 &&
+ dev_priv->cdclk_pll.vco != vco)
+ skl_dpll0_disable(dev_priv);
+
+ if (dev_priv->cdclk_pll.vco != vco)
+ skl_dpll0_enable(dev_priv, vco);
+
I915_WRITE(CDCLK_CTL, freq_select | skl_cdclk_decimal(cdclk));
POSTING_READ(CDCLK_CTL);
intel_update_cdclk(dev);
}
+static void skl_sanitize_cdclk(struct drm_i915_private *dev_priv);
+
void skl_uninit_cdclk(struct drm_i915_private *dev_priv)
{
- /* disable DBUF power */
- I915_WRITE(DBUF_CTL, I915_READ(DBUF_CTL) & ~DBUF_POWER_REQUEST);
- POSTING_READ(DBUF_CTL);
-
- udelay(10);
-
- if (I915_READ(DBUF_CTL) & DBUF_POWER_STATE)
- DRM_ERROR("DBuf power disable timeout\n");
-
- skl_dpll0_disable(dev_priv);
+ skl_set_cdclk(dev_priv, dev_priv->cdclk_pll.ref, 0);
}
void skl_init_cdclk(struct drm_i915_private *dev_priv)
{
- unsigned int vco;
-
- /* DPLL0 not enabled (happens on early BIOS versions) */
- if (!(I915_READ(LCPLL1_CTL) & LCPLL_PLL_ENABLE)) {
- /* enable DPLL0 */
- vco = skl_cdclk_get_vco(dev_priv->skl_boot_cdclk);
- skl_dpll0_enable(dev_priv, vco);
- }
+ int cdclk, vco;
- /* set CDCLK to the frequency the BIOS chose */
- skl_set_cdclk(dev_priv, dev_priv->skl_boot_cdclk);
+ skl_sanitize_cdclk(dev_priv);
- /* enable DBUF power */
- I915_WRITE(DBUF_CTL, I915_READ(DBUF_CTL) | DBUF_POWER_REQUEST);
- POSTING_READ(DBUF_CTL);
+ if (dev_priv->cdclk_freq != 0 && dev_priv->cdclk_pll.vco != 0) {
+ /*
+ * Use the current vco as our initial
+ * guess as to what the preferred vco is.
+ */
+ if (dev_priv->skl_preferred_vco_freq == 0)
+ skl_set_preferred_cdclk_vco(dev_priv,
+ dev_priv->cdclk_pll.vco);
+ return;
+ }
- udelay(10);
+ vco = dev_priv->skl_preferred_vco_freq;
+ if (vco == 0)
+ vco = 8100000;
+ cdclk = skl_calc_cdclk(0, vco);
- if (!(I915_READ(DBUF_CTL) & DBUF_POWER_STATE))
- DRM_ERROR("DBuf power enable timeout\n");
+ skl_set_cdclk(dev_priv, cdclk, vco);
}
-int skl_sanitize_cdclk(struct drm_i915_private *dev_priv)
+static void skl_sanitize_cdclk(struct drm_i915_private *dev_priv)
{
- uint32_t lcpll1 = I915_READ(LCPLL1_CTL);
- uint32_t cdctl = I915_READ(CDCLK_CTL);
- int freq = dev_priv->skl_boot_cdclk;
+ uint32_t cdctl, expected;
/*
* check if the pre-os intialized the display
if ((I915_READ(SWF_ILK(0x18)) & 0x00FFFFFF) == 0)
goto sanitize;
+ intel_update_cdclk(dev_priv->dev);
/* Is PLL enabled and locked ? */
- if (!((lcpll1 & LCPLL_PLL_ENABLE) && (lcpll1 & LCPLL_PLL_LOCK)))
+ if (dev_priv->cdclk_pll.vco == 0 ||
+ dev_priv->cdclk_freq == dev_priv->cdclk_pll.ref)
goto sanitize;
/* DPLL okay; verify the cdclock
* decimal part is programmed wrong from BIOS where pre-os does not
* enable display. Verify the same as well.
*/
- if (cdctl == ((cdctl & CDCLK_FREQ_SEL_MASK) | skl_cdclk_decimal(freq)))
+ cdctl = I915_READ(CDCLK_CTL);
+ expected = (cdctl & CDCLK_FREQ_SEL_MASK) |
+ skl_cdclk_decimal(dev_priv->cdclk_freq);
+ if (cdctl == expected)
/* All well; nothing to sanitize */
- return false;
+ return;
+
sanitize:
- /*
- * As of now initialize with max cdclk till
- * we get dynamic cdclk support
- * */
- dev_priv->skl_boot_cdclk = dev_priv->max_cdclk_freq;
- skl_init_cdclk(dev_priv);
+ DRM_DEBUG_KMS("Sanitizing cdclk programmed by pre-os\n");
- /* we did have to sanitize */
- return true;
+ /* force cdclk programming */
+ dev_priv->cdclk_freq = 0;
+ /* force full PLL disable + enable */
+ dev_priv->cdclk_pll.vco = -1;
}
/* Adjust CDclk dividers to allow high res or save power if possible */
static int broxton_calc_cdclk(int max_pixclk)
{
- /*
- * FIXME:
- * - set 19.2MHz bypass frequency if there are no active pipes
- */
if (max_pixclk > 576000)
return 624000;
else if (max_pixclk > 384000)
return;
if (to_intel_plane_state(crtc->primary->state)->visible) {
- WARN_ON(intel_crtc->unpin_work);
+ WARN_ON(intel_crtc->flip_work);
intel_pre_disable_primary_noatomic(crtc);
dev_priv->display.crtc_disable(crtc);
- DRM_DEBUG_KMS("[CRTC:%d] hw state adjusted, was enabled, now disabled\n",
- crtc->base.id);
+ DRM_DEBUG_KMS("[CRTC:%d:%s] hw state adjusted, was enabled, now disabled\n",
+ crtc->base.id, crtc->name);
WARN_ON(drm_atomic_set_mode_for_crtc(crtc->state, NULL) < 0);
crtc->state->active = false;
struct drm_device *dev = crtc->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
const struct drm_display_mode *adjusted_mode = &pipe_config->base.adjusted_mode;
+ int clock_limit = dev_priv->max_dotclk_freq;
- /* FIXME should check pixel clock limits on all platforms */
if (INTEL_INFO(dev)->gen < 4) {
- int clock_limit = dev_priv->max_cdclk_freq * 9 / 10;
+ clock_limit = dev_priv->max_cdclk_freq * 9 / 10;
/*
* Enable double wide mode when the dot clock
*/
if (intel_crtc_supports_double_wide(crtc) &&
adjusted_mode->crtc_clock > clock_limit) {
- clock_limit *= 2;
+ clock_limit = dev_priv->max_dotclk_freq;
pipe_config->double_wide = true;
}
+ }
- if (adjusted_mode->crtc_clock > clock_limit) {
- DRM_DEBUG_KMS("requested pixel clock (%d kHz) too high (max: %d kHz, double wide: %s)\n",
- adjusted_mode->crtc_clock, clock_limit,
- yesno(pipe_config->double_wide));
- return -EINVAL;
- }
+ if (adjusted_mode->crtc_clock > clock_limit) {
+ DRM_DEBUG_KMS("requested pixel clock (%d kHz) too high (max: %d kHz, double wide: %s)\n",
+ adjusted_mode->crtc_clock, clock_limit,
+ yesno(pipe_config->double_wide));
+ return -EINVAL;
}
/*
static int skylake_get_display_clock_speed(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = to_i915(dev);
- uint32_t lcpll1 = I915_READ(LCPLL1_CTL);
- uint32_t cdctl = I915_READ(CDCLK_CTL);
- uint32_t linkrate;
+ uint32_t cdctl;
- if (!(lcpll1 & LCPLL_PLL_ENABLE))
- return 24000; /* 24MHz is the cd freq with NSSC ref */
+ skl_dpll0_update(dev_priv);
- if ((cdctl & CDCLK_FREQ_SEL_MASK) == CDCLK_FREQ_540)
- return 540000;
+ if (dev_priv->cdclk_pll.vco == 0)
+ return dev_priv->cdclk_pll.ref;
- linkrate = (I915_READ(DPLL_CTRL1) &
- DPLL_CTRL1_LINK_RATE_MASK(SKL_DPLL0)) >> 1;
+ cdctl = I915_READ(CDCLK_CTL);
- if (linkrate == DPLL_CTRL1_LINK_RATE_2160 ||
- linkrate == DPLL_CTRL1_LINK_RATE_1080) {
- /* vco 8640 */
+ if (dev_priv->cdclk_pll.vco == 8640000) {
switch (cdctl & CDCLK_FREQ_SEL_MASK) {
case CDCLK_FREQ_450_432:
return 432000;
case CDCLK_FREQ_337_308:
- return 308570;
+ return 308571;
+ case CDCLK_FREQ_540:
+ return 540000;
case CDCLK_FREQ_675_617:
- return 617140;
+ return 617143;
default:
- WARN(1, "Unknown cd freq selection\n");
+ MISSING_CASE(cdctl & CDCLK_FREQ_SEL_MASK);
}
} else {
- /* vco 8100 */
switch (cdctl & CDCLK_FREQ_SEL_MASK) {
case CDCLK_FREQ_450_432:
return 450000;
case CDCLK_FREQ_337_308:
return 337500;
+ case CDCLK_FREQ_540:
+ return 540000;
case CDCLK_FREQ_675_617:
return 675000;
default:
- WARN(1, "Unknown cd freq selection\n");
+ MISSING_CASE(cdctl & CDCLK_FREQ_SEL_MASK);
}
}
- /* error case, do as if DPLL0 isn't enabled */
- return 24000;
+ return dev_priv->cdclk_pll.ref;
+}
+
+static void bxt_de_pll_update(struct drm_i915_private *dev_priv)
+{
+ u32 val;
+
+ dev_priv->cdclk_pll.ref = 19200;
+ dev_priv->cdclk_pll.vco = 0;
+
+ val = I915_READ(BXT_DE_PLL_ENABLE);
+ if ((val & BXT_DE_PLL_PLL_ENABLE) == 0)
+ return;
+
+ if (WARN_ON((val & BXT_DE_PLL_LOCK) == 0))
+ return;
+
+ val = I915_READ(BXT_DE_PLL_CTL);
+ dev_priv->cdclk_pll.vco = (val & BXT_DE_PLL_RATIO_MASK) *
+ dev_priv->cdclk_pll.ref;
}
static int broxton_get_display_clock_speed(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = to_i915(dev);
- uint32_t cdctl = I915_READ(CDCLK_CTL);
- uint32_t pll_ratio = I915_READ(BXT_DE_PLL_CTL) & BXT_DE_PLL_RATIO_MASK;
- uint32_t pll_enab = I915_READ(BXT_DE_PLL_ENABLE);
- int cdclk;
+ u32 divider;
+ int div, vco;
+
+ bxt_de_pll_update(dev_priv);
- if (!(pll_enab & BXT_DE_PLL_PLL_ENABLE))
- return 19200;
+ vco = dev_priv->cdclk_pll.vco;
+ if (vco == 0)
+ return dev_priv->cdclk_pll.ref;
- cdclk = 19200 * pll_ratio / 2;
+ divider = I915_READ(CDCLK_CTL) & BXT_CDCLK_CD2X_DIV_SEL_MASK;
- switch (cdctl & BXT_CDCLK_CD2X_DIV_SEL_MASK) {
+ switch (divider) {
case BXT_CDCLK_CD2X_DIV_SEL_1:
- return cdclk; /* 576MHz or 624MHz */
+ div = 2;
+ break;
case BXT_CDCLK_CD2X_DIV_SEL_1_5:
- return cdclk * 2 / 3; /* 384MHz */
+ div = 3;
+ break;
case BXT_CDCLK_CD2X_DIV_SEL_2:
- return cdclk / 2; /* 288MHz */
+ div = 4;
+ break;
case BXT_CDCLK_CD2X_DIV_SEL_4:
- return cdclk / 4; /* 144MHz */
+ div = 8;
+ break;
+ default:
+ MISSING_CASE(divider);
+ return dev_priv->cdclk_pll.ref;
}
- /* error case, do as if DE PLL isn't enabled */
- return 19200;
+ return DIV_ROUND_CLOSEST(vco, div);
}
static int broadwell_get_display_clock_speed(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_encoder *encoder;
+ int i;
u32 val, final;
bool has_lvds = false;
bool has_cpu_edp = false;
bool has_panel = false;
bool has_ck505 = false;
bool can_ssc = false;
+ bool using_ssc_source = false;
/* We need to take the global config into account */
for_each_intel_encoder(dev, encoder) {
can_ssc = true;
}
- DRM_DEBUG_KMS("has_panel %d has_lvds %d has_ck505 %d\n",
- has_panel, has_lvds, has_ck505);
+ /* Check if any DPLLs are using the SSC source */
+ for (i = 0; i < dev_priv->num_shared_dpll; i++) {
+ u32 temp = I915_READ(PCH_DPLL(i));
+
+ if (!(temp & DPLL_VCO_ENABLE))
+ continue;
+
+ if ((temp & PLL_REF_INPUT_MASK) ==
+ PLLB_REF_INPUT_SPREADSPECTRUMIN) {
+ using_ssc_source = true;
+ break;
+ }
+ }
+
+ DRM_DEBUG_KMS("has_panel %d has_lvds %d has_ck505 %d using_ssc_source %d\n",
+ has_panel, has_lvds, has_ck505, using_ssc_source);
/* Ironlake: try to setup display ref clock before DPLL
* enabling. This is only under driver's control after
else
final |= DREF_NONSPREAD_SOURCE_ENABLE;
- final &= ~DREF_SSC_SOURCE_MASK;
final &= ~DREF_CPU_SOURCE_OUTPUT_MASK;
- final &= ~DREF_SSC1_ENABLE;
+
+ if (!using_ssc_source) {
+ final &= ~DREF_SSC_SOURCE_MASK;
+ final &= ~DREF_SSC1_ENABLE;
+ }
if (has_panel) {
final |= DREF_SSC_SOURCE_ENABLE;
POSTING_READ(PCH_DREF_CONTROL);
udelay(200);
} else {
- DRM_DEBUG_KMS("Disabling SSC entirely\n");
+ DRM_DEBUG_KMS("Disabling CPU source output\n");
val &= ~DREF_CPU_SOURCE_OUTPUT_MASK;
POSTING_READ(PCH_DREF_CONTROL);
udelay(200);
- /* Turn off the SSC source */
- val &= ~DREF_SSC_SOURCE_MASK;
- val |= DREF_SSC_SOURCE_DISABLE;
+ if (!using_ssc_source) {
+ DRM_DEBUG_KMS("Disabling SSC source\n");
- /* Turn off SSC1 */
- val &= ~DREF_SSC1_ENABLE;
+ /* Turn off the SSC source */
+ val &= ~DREF_SSC_SOURCE_MASK;
+ val |= DREF_SSC_SOURCE_DISABLE;
- I915_WRITE(PCH_DREF_CONTROL, val);
- POSTING_READ(PCH_DREF_CONTROL);
- udelay(200);
+ /* Turn off SSC1 */
+ val &= ~DREF_SSC1_ENABLE;
+
+ I915_WRITE(PCH_DREF_CONTROL, val);
+ POSTING_READ(PCH_DREF_CONTROL);
+ udelay(200);
+ }
}
BUG_ON(val != final);
broadwell_set_cdclk(dev, req_cdclk);
}
+static int skl_modeset_calc_cdclk(struct drm_atomic_state *state)
+{
+ struct intel_atomic_state *intel_state = to_intel_atomic_state(state);
+ struct drm_i915_private *dev_priv = to_i915(state->dev);
+ const int max_pixclk = ilk_max_pixel_rate(state);
+ int vco = intel_state->cdclk_pll_vco;
+ int cdclk;
+
+ /*
+ * FIXME should also account for plane ratio
+ * once 64bpp pixel formats are supported.
+ */
+ cdclk = skl_calc_cdclk(max_pixclk, vco);
+
+ /*
+ * FIXME move the cdclk caclulation to
+ * compute_config() so we can fail gracegully.
+ */
+ if (cdclk > dev_priv->max_cdclk_freq) {
+ DRM_ERROR("requested cdclk (%d kHz) exceeds max (%d kHz)\n",
+ cdclk, dev_priv->max_cdclk_freq);
+ cdclk = dev_priv->max_cdclk_freq;
+ }
+
+ intel_state->cdclk = intel_state->dev_cdclk = cdclk;
+ if (!intel_state->active_crtcs)
+ intel_state->dev_cdclk = skl_calc_cdclk(0, vco);
+
+ return 0;
+}
+
+static void skl_modeset_commit_cdclk(struct drm_atomic_state *old_state)
+{
+ struct drm_i915_private *dev_priv = to_i915(old_state->dev);
+ struct intel_atomic_state *intel_state = to_intel_atomic_state(old_state);
+ unsigned int req_cdclk = intel_state->dev_cdclk;
+ unsigned int req_vco = intel_state->cdclk_pll_vco;
+
+ skl_set_cdclk(dev_priv, req_cdclk, req_vco);
+}
+
static int haswell_crtc_compute_clock(struct intel_crtc *crtc,
struct intel_crtc_state *crtc_state)
{
{
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
struct drm_device *dev = crtc->dev;
- struct intel_unpin_work *work;
+ struct intel_flip_work *work;
spin_lock_irq(&dev->event_lock);
- work = intel_crtc->unpin_work;
- intel_crtc->unpin_work = NULL;
+ work = intel_crtc->flip_work;
+ intel_crtc->flip_work = NULL;
spin_unlock_irq(&dev->event_lock);
if (work) {
- cancel_work_sync(&work->work);
+ cancel_work_sync(&work->mmio_work);
+ cancel_work_sync(&work->unpin_work);
kfree(work);
}
static void intel_unpin_work_fn(struct work_struct *__work)
{
- struct intel_unpin_work *work =
- container_of(__work, struct intel_unpin_work, work);
+ struct intel_flip_work *work =
+ container_of(__work, struct intel_flip_work, unpin_work);
struct intel_crtc *crtc = to_intel_crtc(work->crtc);
struct drm_device *dev = crtc->base.dev;
struct drm_plane *primary = crtc->base.primary;
+ if (is_mmio_work(work))
+ flush_work(&work->mmio_work);
+
mutex_lock(&dev->struct_mutex);
intel_unpin_fb_obj(work->old_fb, primary->state->rotation);
drm_gem_object_unreference(&work->pending_flip_obj->base);
kfree(work);
}
-static void do_intel_finish_page_flip(struct drm_i915_private *dev_priv,
- struct drm_crtc *crtc)
-{
- struct drm_device *dev = dev_priv->dev;
- struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
- struct intel_unpin_work *work;
- unsigned long flags;
-
- /* Ignore early vblank irqs */
- if (intel_crtc == NULL)
- return;
-
- /*
- * This is called both by irq handlers and the reset code (to complete
- * lost pageflips) so needs the full irqsave spinlocks.
- */
- spin_lock_irqsave(&dev->event_lock, flags);
- work = intel_crtc->unpin_work;
-
- /* Ensure we don't miss a work->pending update ... */
- smp_rmb();
-
- if (work == NULL || atomic_read(&work->pending) < INTEL_FLIP_COMPLETE) {
- spin_unlock_irqrestore(&dev->event_lock, flags);
- return;
- }
-
- page_flip_completed(intel_crtc);
-
- spin_unlock_irqrestore(&dev->event_lock, flags);
-}
-
-void intel_finish_page_flip(struct drm_i915_private *dev_priv, int pipe)
-{
- struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe];
-
- do_intel_finish_page_flip(dev_priv, crtc);
-}
-
-void intel_finish_page_flip_plane(struct drm_i915_private *dev_priv, int plane)
-{
- struct drm_crtc *crtc = dev_priv->plane_to_crtc_mapping[plane];
-
- do_intel_finish_page_flip(dev_priv, crtc);
-}
-
/* Is 'a' after or equal to 'b'? */
static bool g4x_flip_count_after_eq(u32 a, u32 b)
{
return !((a - b) & 0x80000000);
}
-static bool page_flip_finished(struct intel_crtc *crtc)
+static bool __pageflip_finished_cs(struct intel_crtc *crtc,
+ struct intel_flip_work *work)
{
struct drm_device *dev = crtc->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
* anyway, we don't really care.
*/
return (I915_READ(DSPSURFLIVE(crtc->plane)) & ~0xfff) ==
- crtc->unpin_work->gtt_offset &&
+ crtc->flip_work->gtt_offset &&
g4x_flip_count_after_eq(I915_READ(PIPE_FLIPCOUNT_G4X(crtc->pipe)),
- crtc->unpin_work->flip_count);
+ crtc->flip_work->flip_count);
+}
+
+static bool
+__pageflip_finished_mmio(struct intel_crtc *crtc,
+ struct intel_flip_work *work)
+{
+ /*
+ * MMIO work completes when vblank is different from
+ * flip_queued_vblank.
+ *
+ * Reset counter value doesn't matter, this is handled by
+ * i915_wait_request finishing early, so no need to handle
+ * reset here.
+ */
+ return intel_crtc_get_vblank_counter(crtc) != work->flip_queued_vblank;
+}
+
+
+static bool pageflip_finished(struct intel_crtc *crtc,
+ struct intel_flip_work *work)
+{
+ if (!atomic_read(&work->pending))
+ return false;
+
+ smp_rmb();
+
+ if (is_mmio_work(work))
+ return __pageflip_finished_mmio(crtc, work);
+ else
+ return __pageflip_finished_cs(crtc, work);
}
-void intel_prepare_page_flip(struct drm_i915_private *dev_priv, int plane)
+void intel_finish_page_flip_cs(struct drm_i915_private *dev_priv, int pipe)
{
struct drm_device *dev = dev_priv->dev;
- struct intel_crtc *intel_crtc =
- to_intel_crtc(dev_priv->plane_to_crtc_mapping[plane]);
+ struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe];
+ struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+ struct intel_flip_work *work;
unsigned long flags;
+ /* Ignore early vblank irqs */
+ if (!crtc)
+ return;
+
+ /*
+ * This is called both by irq handlers and the reset code (to complete
+ * lost pageflips) so needs the full irqsave spinlocks.
+ */
+ spin_lock_irqsave(&dev->event_lock, flags);
+ work = intel_crtc->flip_work;
+
+ if (work != NULL &&
+ !is_mmio_work(work) &&
+ pageflip_finished(intel_crtc, work))
+ page_flip_completed(intel_crtc);
+
+ spin_unlock_irqrestore(&dev->event_lock, flags);
+}
+
+void intel_finish_page_flip_mmio(struct drm_i915_private *dev_priv, int pipe)
+{
+ struct drm_device *dev = dev_priv->dev;
+ struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe];
+ struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+ struct intel_flip_work *work;
+ unsigned long flags;
+
+ /* Ignore early vblank irqs */
+ if (!crtc)
+ return;
/*
* This is called both by irq handlers and the reset code (to complete
* lost pageflips) so needs the full irqsave spinlocks.
- *
- * NB: An MMIO update of the plane base pointer will also
- * generate a page-flip completion irq, i.e. every modeset
- * is also accompanied by a spurious intel_prepare_page_flip().
*/
spin_lock_irqsave(&dev->event_lock, flags);
- if (intel_crtc->unpin_work && page_flip_finished(intel_crtc))
- atomic_inc_not_zero(&intel_crtc->unpin_work->pending);
+ work = intel_crtc->flip_work;
+
+ if (work != NULL &&
+ is_mmio_work(work) &&
+ pageflip_finished(intel_crtc, work))
+ page_flip_completed(intel_crtc);
+
spin_unlock_irqrestore(&dev->event_lock, flags);
}
-static inline void intel_mark_page_flip_active(struct intel_unpin_work *work)
+static inline void intel_mark_page_flip_active(struct intel_crtc *crtc,
+ struct intel_flip_work *work)
{
+ work->flip_queued_vblank = intel_crtc_get_vblank_counter(crtc);
+
/* Ensure that the work item is consistent when activating it ... */
- smp_wmb();
- atomic_set(&work->pending, INTEL_FLIP_PENDING);
- /* and that it is marked active as soon as the irq could fire. */
- smp_wmb();
+ smp_mb__before_atomic();
+ atomic_set(&work->pending, 1);
}
static int intel_gen2_queue_flip(struct drm_device *dev,
intel_ring_emit(engine, MI_DISPLAY_FLIP |
MI_DISPLAY_FLIP_PLANE(intel_crtc->plane));
intel_ring_emit(engine, fb->pitches[0]);
- intel_ring_emit(engine, intel_crtc->unpin_work->gtt_offset);
+ intel_ring_emit(engine, intel_crtc->flip_work->gtt_offset);
intel_ring_emit(engine, 0); /* aux display base address, unused */
- intel_mark_page_flip_active(intel_crtc->unpin_work);
return 0;
}
intel_ring_emit(engine, MI_DISPLAY_FLIP_I915 |
MI_DISPLAY_FLIP_PLANE(intel_crtc->plane));
intel_ring_emit(engine, fb->pitches[0]);
- intel_ring_emit(engine, intel_crtc->unpin_work->gtt_offset);
+ intel_ring_emit(engine, intel_crtc->flip_work->gtt_offset);
intel_ring_emit(engine, MI_NOOP);
- intel_mark_page_flip_active(intel_crtc->unpin_work);
return 0;
}
intel_ring_emit(engine, MI_DISPLAY_FLIP |
MI_DISPLAY_FLIP_PLANE(intel_crtc->plane));
intel_ring_emit(engine, fb->pitches[0]);
- intel_ring_emit(engine, intel_crtc->unpin_work->gtt_offset |
+ intel_ring_emit(engine, intel_crtc->flip_work->gtt_offset |
obj->tiling_mode);
/* XXX Enabling the panel-fitter across page-flip is so far
pipesrc = I915_READ(PIPESRC(intel_crtc->pipe)) & 0x0fff0fff;
intel_ring_emit(engine, pf | pipesrc);
- intel_mark_page_flip_active(intel_crtc->unpin_work);
return 0;
}
intel_ring_emit(engine, MI_DISPLAY_FLIP |
MI_DISPLAY_FLIP_PLANE(intel_crtc->plane));
intel_ring_emit(engine, fb->pitches[0] | obj->tiling_mode);
- intel_ring_emit(engine, intel_crtc->unpin_work->gtt_offset);
+ intel_ring_emit(engine, intel_crtc->flip_work->gtt_offset);
/* Contrary to the suggestions in the documentation,
* "Enable Panel Fitter" does not seem to be required when page
pipesrc = I915_READ(PIPESRC(intel_crtc->pipe)) & 0x0fff0fff;
intel_ring_emit(engine, pf | pipesrc);
- intel_mark_page_flip_active(intel_crtc->unpin_work);
return 0;
}
intel_ring_emit(engine, MI_DISPLAY_FLIP_I915 | plane_bit);
intel_ring_emit(engine, (fb->pitches[0] | obj->tiling_mode));
- intel_ring_emit(engine, intel_crtc->unpin_work->gtt_offset);
+ intel_ring_emit(engine, intel_crtc->flip_work->gtt_offset);
intel_ring_emit(engine, (MI_NOOP));
- intel_mark_page_flip_active(intel_crtc->unpin_work);
return 0;
}
static void skl_do_mmio_flip(struct intel_crtc *intel_crtc,
unsigned int rotation,
- struct intel_unpin_work *work)
+ struct intel_flip_work *work)
{
struct drm_device *dev = intel_crtc->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
}
static void ilk_do_mmio_flip(struct intel_crtc *intel_crtc,
- struct intel_unpin_work *work)
+ struct intel_flip_work *work)
{
struct drm_device *dev = intel_crtc->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
POSTING_READ(DSPSURF(intel_crtc->plane));
}
-/*
- * XXX: This is the temporary way to update the plane registers until we get
- * around to using the usual plane update functions for MMIO flips
- */
-static void intel_do_mmio_flip(struct intel_mmio_flip *mmio_flip)
+static void intel_mmio_flip_work_func(struct work_struct *w)
{
- struct intel_crtc *crtc = mmio_flip->crtc;
- struct intel_unpin_work *work;
-
- spin_lock_irq(&crtc->base.dev->event_lock);
- work = crtc->unpin_work;
- spin_unlock_irq(&crtc->base.dev->event_lock);
- if (work == NULL)
- return;
-
- intel_mark_page_flip_active(work);
-
- intel_pipe_update_start(crtc);
-
- if (INTEL_INFO(mmio_flip->i915)->gen >= 9)
- skl_do_mmio_flip(crtc, mmio_flip->rotation, work);
- else
- /* use_mmio_flip() retricts MMIO flips to ilk+ */
- ilk_do_mmio_flip(crtc, work);
-
- intel_pipe_update_end(crtc);
-}
-
-static void intel_mmio_flip_work_func(struct work_struct *work)
-{
- struct intel_mmio_flip *mmio_flip =
- container_of(work, struct intel_mmio_flip, work);
+ struct intel_flip_work *work =
+ container_of(w, struct intel_flip_work, mmio_work);
+ struct intel_crtc *crtc = to_intel_crtc(work->crtc);
+ struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
struct intel_framebuffer *intel_fb =
- to_intel_framebuffer(mmio_flip->crtc->base.primary->fb);
+ to_intel_framebuffer(crtc->base.primary->fb);
struct drm_i915_gem_object *obj = intel_fb->obj;
- if (mmio_flip->req) {
- WARN_ON(__i915_wait_request(mmio_flip->req,
+ if (work->flip_queued_req)
+ WARN_ON(__i915_wait_request(work->flip_queued_req,
false, NULL,
- &mmio_flip->i915->rps.mmioflips));
- i915_gem_request_unreference(mmio_flip->req);
- }
+ &dev_priv->rps.mmioflips));
/* For framebuffer backed by dmabuf, wait for fence */
if (obj->base.dma_buf)
false, false,
MAX_SCHEDULE_TIMEOUT) < 0);
- intel_do_mmio_flip(mmio_flip);
- kfree(mmio_flip);
-}
-
-static int intel_queue_mmio_flip(struct drm_device *dev,
- struct drm_crtc *crtc,
- struct drm_i915_gem_object *obj)
-{
- struct intel_mmio_flip *mmio_flip;
-
- mmio_flip = kmalloc(sizeof(*mmio_flip), GFP_KERNEL);
- if (mmio_flip == NULL)
- return -ENOMEM;
-
- mmio_flip->i915 = to_i915(dev);
- mmio_flip->req = i915_gem_request_reference(obj->last_write_req);
- mmio_flip->crtc = to_intel_crtc(crtc);
- mmio_flip->rotation = crtc->primary->state->rotation;
+ intel_pipe_update_start(crtc);
- INIT_WORK(&mmio_flip->work, intel_mmio_flip_work_func);
- schedule_work(&mmio_flip->work);
+ if (INTEL_GEN(dev_priv) >= 9)
+ skl_do_mmio_flip(crtc, work->rotation, work);
+ else
+ /* use_mmio_flip() retricts MMIO flips to ilk+ */
+ ilk_do_mmio_flip(crtc, work);
- return 0;
+ intel_pipe_update_end(crtc, work);
}
static int intel_default_queue_flip(struct drm_device *dev,
return -ENODEV;
}
-static bool __intel_pageflip_stall_check(struct drm_device *dev,
- struct drm_crtc *crtc)
+static bool __pageflip_stall_check_cs(struct drm_i915_private *dev_priv,
+ struct intel_crtc *intel_crtc,
+ struct intel_flip_work *work)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
- struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
- struct intel_unpin_work *work = intel_crtc->unpin_work;
- u32 addr;
+ u32 addr, vblank;
- if (atomic_read(&work->pending) >= INTEL_FLIP_COMPLETE)
- return true;
-
- if (atomic_read(&work->pending) < INTEL_FLIP_PENDING)
+ if (!atomic_read(&work->pending))
return false;
- if (!work->enable_stall_check)
- return false;
+ smp_rmb();
+ vblank = intel_crtc_get_vblank_counter(intel_crtc);
if (work->flip_ready_vblank == 0) {
if (work->flip_queued_req &&
!i915_gem_request_completed(work->flip_queued_req, true))
return false;
- work->flip_ready_vblank = drm_crtc_vblank_count(crtc);
+ work->flip_ready_vblank = vblank;
}
- if (drm_crtc_vblank_count(crtc) - work->flip_ready_vblank < 3)
+ if (vblank - work->flip_ready_vblank < 3)
return false;
/* Potential stall - if we see that the flip has happened,
* assume a missed interrupt. */
- if (INTEL_INFO(dev)->gen >= 4)
+ if (INTEL_GEN(dev_priv) >= 4)
addr = I915_HI_DISPBASE(I915_READ(DSPSURF(intel_crtc->plane)));
else
addr = I915_READ(DSPADDR(intel_crtc->plane));
struct drm_device *dev = dev_priv->dev;
struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe];
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
- struct intel_unpin_work *work;
+ struct intel_flip_work *work;
WARN_ON(!in_interrupt());
return;
spin_lock(&dev->event_lock);
- work = intel_crtc->unpin_work;
- if (work != NULL && __intel_pageflip_stall_check(dev, crtc)) {
- WARN_ONCE(1, "Kicking stuck page flip: queued at %d, now %d\n",
- work->flip_queued_vblank, drm_vblank_count(dev, pipe));
+ work = intel_crtc->flip_work;
+
+ if (work != NULL && !is_mmio_work(work) &&
+ __pageflip_stall_check_cs(dev_priv, intel_crtc, work)) {
+ WARN_ONCE(1,
+ "Kicking stuck page flip: queued at %d, now %d\n",
+ work->flip_queued_vblank, intel_crtc_get_vblank_counter(intel_crtc));
page_flip_completed(intel_crtc);
work = NULL;
}
- if (work != NULL &&
- drm_vblank_count(dev, pipe) - work->flip_queued_vblank > 1)
+
+ if (work != NULL && !is_mmio_work(work) &&
+ intel_crtc_get_vblank_counter(intel_crtc) - work->flip_queued_vblank > 1)
intel_queue_rps_boost_for_request(work->flip_queued_req);
spin_unlock(&dev->event_lock);
}
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
struct drm_plane *primary = crtc->primary;
enum pipe pipe = intel_crtc->pipe;
- struct intel_unpin_work *work;
+ struct intel_flip_work *work;
struct intel_engine_cs *engine;
bool mmio_flip;
struct drm_i915_gem_request *request = NULL;
work->event = event;
work->crtc = crtc;
work->old_fb = old_fb;
- INIT_WORK(&work->work, intel_unpin_work_fn);
+ INIT_WORK(&work->unpin_work, intel_unpin_work_fn);
ret = drm_crtc_vblank_get(crtc);
if (ret)
goto free_work;
- /* We borrow the event spin lock for protecting unpin_work */
+ /* We borrow the event spin lock for protecting flip_work */
spin_lock_irq(&dev->event_lock);
- if (intel_crtc->unpin_work) {
+ if (intel_crtc->flip_work) {
/* Before declaring the flip queue wedged, check if
* the hardware completed the operation behind our backs.
*/
- if (__intel_pageflip_stall_check(dev, crtc)) {
+ if (pageflip_finished(intel_crtc, intel_crtc->flip_work)) {
DRM_DEBUG_DRIVER("flip queue: previous flip completed, continuing\n");
page_flip_completed(intel_crtc);
} else {
return -EBUSY;
}
}
- intel_crtc->unpin_work = work;
+ intel_crtc->flip_work = work;
spin_unlock_irq(&dev->event_lock);
if (atomic_read(&intel_crtc->unpin_work_count) >= 2)
*/
if (!mmio_flip) {
ret = i915_gem_object_sync(obj, engine, &request);
+ if (!ret && !request) {
+ request = i915_gem_request_alloc(engine, NULL);
+ ret = PTR_ERR_OR_ZERO(request);
+ }
+
if (ret)
goto cleanup_pending;
}
work->gtt_offset = intel_plane_obj_offset(to_intel_plane(primary),
obj, 0);
work->gtt_offset += intel_crtc->dspaddr_offset;
+ work->rotation = crtc->primary->state->rotation;
if (mmio_flip) {
- ret = intel_queue_mmio_flip(dev, crtc, obj);
- if (ret)
- goto cleanup_unpin;
+ INIT_WORK(&work->mmio_work, intel_mmio_flip_work_func);
i915_gem_request_assign(&work->flip_queued_req,
obj->last_write_req);
- } else {
- if (!request) {
- request = i915_gem_request_alloc(engine, NULL);
- if (IS_ERR(request)) {
- ret = PTR_ERR(request);
- goto cleanup_unpin;
- }
- }
+ schedule_work(&work->mmio_work);
+ } else {
+ i915_gem_request_assign(&work->flip_queued_req, request);
ret = dev_priv->display.queue_flip(dev, crtc, fb, obj, request,
page_flip_flags);
if (ret)
goto cleanup_unpin;
- i915_gem_request_assign(&work->flip_queued_req, request);
- }
+ intel_mark_page_flip_active(intel_crtc, work);
- if (request)
i915_add_request_no_flush(request);
+ }
- work->flip_queued_vblank = drm_crtc_vblank_count(crtc);
- work->enable_stall_check = true;
-
- i915_gem_track_fb(intel_fb_obj(work->old_fb), obj,
+ i915_gem_track_fb(intel_fb_obj(old_fb), obj,
to_intel_plane(primary)->frontbuffer_bit);
mutex_unlock(&dev->struct_mutex);
drm_framebuffer_unreference(work->old_fb);
spin_lock_irq(&dev->event_lock);
- intel_crtc->unpin_work = NULL;
+ intel_crtc->flip_work = NULL;
spin_unlock_irq(&dev->event_lock);
drm_crtc_vblank_put(crtc);
struct drm_i915_private *dev_priv = to_i915(dev);
struct intel_plane_state *old_plane_state =
to_intel_plane_state(plane->state);
- int idx = intel_crtc->base.base.id, ret;
bool mode_changed = needs_modeset(crtc_state);
bool was_crtc_enabled = crtc->state->active;
bool is_crtc_enabled = crtc_state->active;
bool turn_off, turn_on, visible, was_visible;
struct drm_framebuffer *fb = plane_state->fb;
+ int ret;
if (crtc_state && INTEL_INFO(dev)->gen >= 9 &&
plane->type != DRM_PLANE_TYPE_CURSOR) {
turn_off = was_visible && (!visible || mode_changed);
turn_on = visible && (!was_visible || mode_changed);
- DRM_DEBUG_ATOMIC("[CRTC:%i] has [PLANE:%i] with fb %i\n", idx,
- plane->base.id, fb ? fb->base.id : -1);
+ DRM_DEBUG_ATOMIC("[CRTC:%d:%s] has [PLANE:%d:%s] with fb %i\n",
+ intel_crtc->base.base.id,
+ intel_crtc->base.name,
+ plane->base.id, plane->name,
+ fb ? fb->base.id : -1);
- DRM_DEBUG_ATOMIC("[PLANE:%i] visible %i -> %i, off %i, on %i, ms %i\n",
- plane->base.id, was_visible, visible,
+ DRM_DEBUG_ATOMIC("[PLANE:%d:%s] visible %i -> %i, off %i, on %i, ms %i\n",
+ plane->base.id, plane->name,
+ was_visible, visible,
turn_off, turn_on, mode_changed);
if (turn_on) {
DRM_DEBUG_KMS("No valid intermediate pipe watermarks are possible\n");
return ret;
}
+ } else if (dev_priv->display.compute_intermediate_wm) {
+ if (HAS_PCH_SPLIT(dev_priv) && INTEL_GEN(dev_priv) < 9)
+ pipe_config->wm.ilk.intermediate = pipe_config->wm.ilk.optimal;
}
if (INTEL_INFO(dev)->gen >= 9) {
struct intel_connector *connector;
for_each_intel_connector(dev, connector) {
+ if (connector->base.state->crtc)
+ drm_connector_unreference(&connector->base);
+
if (connector->base.encoder) {
connector->base.state->best_encoder =
connector->base.encoder;
connector->base.state->crtc =
connector->base.encoder->crtc;
+
+ drm_connector_reference(&connector->base);
} else {
connector->base.state->best_encoder = NULL;
connector->base.state->crtc = NULL;
struct intel_plane_state *state;
struct drm_framebuffer *fb;
- DRM_DEBUG_KMS("[CRTC:%d]%s config %p for pipe %c\n", crtc->base.base.id,
+ DRM_DEBUG_KMS("[CRTC:%d:%s]%s config %p for pipe %c\n",
+ crtc->base.base.id, crtc->base.name,
context, pipe_config, pipe_name(crtc->pipe));
DRM_DEBUG_KMS("cpu_transcoder: %s\n", transcoder_name(pipe_config->cpu_transcoder));
state = to_intel_plane_state(plane->state);
fb = state->base.fb;
if (!fb) {
- DRM_DEBUG_KMS("%s PLANE:%d plane: %u.%u idx: %d "
- "disabled, scaler_id = %d\n",
- plane->type == DRM_PLANE_TYPE_CURSOR ? "CURSOR" : "STANDARD",
- plane->base.id, intel_plane->pipe,
- (crtc->base.primary == plane) ? 0 : intel_plane->plane + 1,
- drm_plane_index(plane), state->scaler_id);
+ DRM_DEBUG_KMS("[PLANE:%d:%s] disabled, scaler_id = %d\n",
+ plane->base.id, plane->name, state->scaler_id);
continue;
}
- DRM_DEBUG_KMS("%s PLANE:%d plane: %u.%u idx: %d enabled",
- plane->type == DRM_PLANE_TYPE_CURSOR ? "CURSOR" : "STANDARD",
- plane->base.id, intel_plane->pipe,
- crtc->base.primary == plane ? 0 : intel_plane->plane + 1,
- drm_plane_index(plane));
- DRM_DEBUG_KMS("\tFB:%d, fb = %ux%u format = 0x%x",
- fb->base.id, fb->width, fb->height, fb->pixel_format);
- DRM_DEBUG_KMS("\tscaler:%d src (%u, %u) %ux%u dst (%u, %u) %ux%u\n",
- state->scaler_id,
- state->src.x1 >> 16, state->src.y1 >> 16,
- drm_rect_width(&state->src) >> 16,
- drm_rect_height(&state->src) >> 16,
- state->dst.x1, state->dst.y1,
- drm_rect_width(&state->dst), drm_rect_height(&state->dst));
+ DRM_DEBUG_KMS("[PLANE:%d:%s] enabled",
+ plane->base.id, plane->name);
+ DRM_DEBUG_KMS("\tFB:%d, fb = %ux%u format = %s",
+ fb->base.id, fb->width, fb->height,
+ drm_get_format_name(fb->pixel_format));
+ DRM_DEBUG_KMS("\tscaler:%d src %dx%d+%d+%d dst %dx%d+%d+%d\n",
+ state->scaler_id,
+ state->src.x1 >> 16, state->src.y1 >> 16,
+ drm_rect_width(&state->src) >> 16,
+ drm_rect_height(&state->src) >> 16,
+ state->dst.x1, state->dst.y1,
+ drm_rect_width(&state->dst),
+ drm_rect_height(&state->dst));
}
}
pipe_config->base.crtc = crtc;
pipe_config->base.state = old_state;
- DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id);
+ DRM_DEBUG_KMS("[CRTC:%d:%s]\n", crtc->base.id, crtc->name);
active = dev_priv->display.get_pipe_config(intel_crtc, pipe_config);
* adjusted_mode bits in the crtc directly.
*/
if (dev_priv->display.modeset_calc_cdclk) {
+ if (!intel_state->cdclk_pll_vco)
+ intel_state->cdclk_pll_vco = dev_priv->cdclk_pll.vco;
+ if (!intel_state->cdclk_pll_vco)
+ intel_state->cdclk_pll_vco = dev_priv->skl_preferred_vco_freq;
+
ret = dev_priv->display.modeset_calc_cdclk(state);
+ if (ret < 0)
+ return ret;
- if (!ret && intel_state->dev_cdclk != dev_priv->cdclk_freq)
+ if (intel_state->dev_cdclk != dev_priv->cdclk_freq ||
+ intel_state->cdclk_pll_vco != dev_priv->cdclk_pll.vco)
ret = intel_modeset_all_pipes(state);
if (ret < 0)
if (crtc_state->mode.private_flags != crtc->state->mode.private_flags)
crtc_state->mode_changed = true;
- if (!crtc_state->enable) {
- if (needs_modeset(crtc_state))
- any_ms = true;
+ if (!needs_modeset(crtc_state))
continue;
- }
- if (!needs_modeset(crtc_state))
+ if (!crtc_state->enable) {
+ any_ms = true;
continue;
+ }
/* FIXME: For only active_changed we shouldn't need to do any
* state recomputation at all. */
to_intel_crtc_state(crtc_state)->update_pipe = true;
}
- if (needs_modeset(crtc_state)) {
+ if (needs_modeset(crtc_state))
any_ms = true;
- ret = drm_atomic_add_affected_planes(state, crtc);
- if (ret)
- return ret;
- }
+ ret = drm_atomic_add_affected_planes(state, crtc);
+ if (ret)
+ return ret;
intel_dump_pipe_config(to_intel_crtc(crtc), pipe_config,
needs_modeset(crtc_state) ?
static int intel_atomic_prepare_commit(struct drm_device *dev,
struct drm_atomic_state *state,
- bool async)
+ bool nonblock)
{
struct drm_i915_private *dev_priv = dev->dev_private;
struct drm_plane_state *plane_state;
struct drm_crtc *crtc;
int i, ret;
- if (async) {
- DRM_DEBUG_KMS("i915 does not yet support async commit\n");
+ if (nonblock) {
+ DRM_DEBUG_KMS("i915 does not yet support nonblocking commit\n");
return -EINVAL;
}
ret = drm_atomic_helper_prepare_planes(dev, state);
mutex_unlock(&dev->struct_mutex);
- if (!ret && !async) {
+ if (!ret && !nonblock) {
for_each_plane_in_state(state, plane, plane_state, i) {
struct intel_plane_state *intel_plane_state =
to_intel_plane_state(plane_state);
return ret;
}
+u32 intel_crtc_get_vblank_counter(struct intel_crtc *crtc)
+{
+ struct drm_device *dev = crtc->base.dev;
+
+ if (!dev->max_vblank_count)
+ return drm_accurate_vblank_count(&crtc->base);
+
+ return dev->driver->get_vblank_counter(dev, crtc->pipe);
+}
+
static void intel_atomic_wait_for_vblanks(struct drm_device *dev,
struct drm_i915_private *dev_priv,
unsigned crtc_mask)
* intel_atomic_commit - commit validated state object
* @dev: DRM device
* @state: the top-level driver state object
- * @async: asynchronous commit
+ * @nonblock: nonblocking commit
*
* This function commits a top-level state object that has been validated
* with drm_atomic_helper_check().
*
* FIXME: Atomic modeset support for i915 is not yet complete. At the moment
* we can only handle plane-related operations and do not yet support
- * asynchronous commit.
+ * nonblocking commit.
*
* RETURNS
* Zero for success or -errno.
*/
static int intel_atomic_commit(struct drm_device *dev,
struct drm_atomic_state *state,
- bool async)
+ bool nonblock)
{
struct intel_atomic_state *intel_state = to_intel_atomic_state(state);
struct drm_i915_private *dev_priv = dev->dev_private;
unsigned long put_domains[I915_MAX_PIPES] = {};
unsigned crtc_vblank_mask = 0;
- ret = intel_atomic_prepare_commit(dev, state, async);
+ ret = intel_atomic_prepare_commit(dev, state, nonblock);
if (ret) {
DRM_DEBUG_ATOMIC("Preparing state failed with %i\n", ret);
return ret;
drm_atomic_helper_update_legacy_modeset_state(state->dev, state);
if (dev_priv->display.modeset_commit_cdclk &&
- intel_state->dev_cdclk != dev_priv->cdclk_freq)
+ (intel_state->dev_cdclk != dev_priv->cdclk_freq ||
+ intel_state->cdclk_pll_vco != dev_priv->cdclk_pll.vco))
dev_priv->display.modeset_commit_cdclk(state);
intel_modeset_verify_disabled(dev);
state = drm_atomic_state_alloc(dev);
if (!state) {
- DRM_DEBUG_KMS("[CRTC:%d] crtc restore failed, out of memory",
- crtc->base.id);
+ DRM_DEBUG_KMS("[CRTC:%d:%s] crtc restore failed, out of memory",
+ crtc->base.id, crtc->name);
return;
}
{
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
- intel_pipe_update_end(intel_crtc);
+ intel_pipe_update_end(intel_crtc, NULL);
}
/**
*/
void intel_plane_destroy(struct drm_plane *plane)
{
- struct intel_plane *intel_plane = to_intel_plane(plane);
+ if (!plane)
+ return;
+
drm_plane_cleanup(plane);
- kfree(intel_plane);
+ kfree(to_intel_plane(plane));
}
const struct drm_plane_funcs intel_plane_funcs = {
primary->disable_plane = i9xx_disable_primary_plane;
}
- ret = drm_universal_plane_init(dev, &primary->base, 0,
- &intel_plane_funcs,
- intel_primary_formats, num_formats,
- DRM_PLANE_TYPE_PRIMARY, NULL);
+ if (INTEL_INFO(dev)->gen >= 9)
+ ret = drm_universal_plane_init(dev, &primary->base, 0,
+ &intel_plane_funcs,
+ intel_primary_formats, num_formats,
+ DRM_PLANE_TYPE_PRIMARY,
+ "plane 1%c", pipe_name(pipe));
+ else if (INTEL_INFO(dev)->gen >= 5 || IS_G4X(dev))
+ ret = drm_universal_plane_init(dev, &primary->base, 0,
+ &intel_plane_funcs,
+ intel_primary_formats, num_formats,
+ DRM_PLANE_TYPE_PRIMARY,
+ "primary %c", pipe_name(pipe));
+ else
+ ret = drm_universal_plane_init(dev, &primary->base, 0,
+ &intel_plane_funcs,
+ intel_primary_formats, num_formats,
+ DRM_PLANE_TYPE_PRIMARY,
+ "plane %c", plane_name(primary->plane));
if (ret)
goto fail;
&intel_plane_funcs,
intel_cursor_formats,
ARRAY_SIZE(intel_cursor_formats),
- DRM_PLANE_TYPE_CURSOR, NULL);
+ DRM_PLANE_TYPE_CURSOR,
+ "cursor %c", pipe_name(pipe));
if (ret)
goto fail;
goto fail;
ret = drm_crtc_init_with_planes(dev, &intel_crtc->base, primary,
- cursor, &intel_crtc_funcs, NULL);
+ cursor, &intel_crtc_funcs,
+ "pipe %c", pipe_name(pipe));
if (ret)
goto fail;
return;
fail:
- if (primary)
- drm_plane_cleanup(primary);
- if (cursor)
- drm_plane_cleanup(cursor);
+ intel_plane_destroy(primary);
+ intel_plane_destroy(cursor);
kfree(crtc_state);
kfree(intel_crtc);
}
broxton_modeset_commit_cdclk;
dev_priv->display.modeset_calc_cdclk =
broxton_modeset_calc_cdclk;
+ } else if (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv)) {
+ dev_priv->display.modeset_commit_cdclk =
+ skl_modeset_commit_cdclk;
+ dev_priv->display.modeset_calc_cdclk =
+ skl_modeset_calc_cdclk;
}
switch (INTEL_INFO(dev_priv)->gen) {
intel_shared_dpll_init(dev);
+ if (dev_priv->max_cdclk_freq == 0)
+ intel_update_max_cdclk(dev);
+
/* Just disable it once at startup */
i915_disable_vga(dev);
intel_setup_outputs(dev);
if (INTEL_INFO(dev)->gen < 4 && !intel_check_plane_mapping(crtc)) {
bool plane;
- DRM_DEBUG_KMS("[CRTC:%d] wrong plane connection detected!\n",
- crtc->base.base.id);
+ DRM_DEBUG_KMS("[CRTC:%d:%s] wrong plane connection detected!\n",
+ crtc->base.base.id, crtc->base.name);
/* Pipe has the wrong plane attached and the plane is active.
* Temporarily change the plane mapping and disable everything
if (crtc_state->base.active) {
dev_priv->active_crtcs |= 1 << crtc->pipe;
- if (IS_BROADWELL(dev_priv)) {
+ if (INTEL_GEN(dev_priv) >= 9 || IS_BROADWELL(dev_priv))
pixclk = ilk_pipe_pixel_rate(crtc_state);
-
- /* pixel rate mustn't exceed 95% of cdclk with IPS on BDW */
- if (crtc_state->ips_enabled)
- pixclk = DIV_ROUND_UP(pixclk * 100, 95);
- } else if (IS_VALLEYVIEW(dev_priv) ||
- IS_CHERRYVIEW(dev_priv) ||
- IS_BROXTON(dev_priv))
+ else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv))
pixclk = crtc_state->base.adjusted_mode.crtc_clock;
else
WARN_ON(dev_priv->display.modeset_calc_cdclk);
+
+ /* pixel rate mustn't exceed 95% of cdclk with IPS on BDW */
+ if (IS_BROADWELL(dev_priv) && crtc_state->ips_enabled)
+ pixclk = DIV_ROUND_UP(pixclk * 100, 95);
}
dev_priv->min_pixclk[crtc->pipe] = pixclk;
readout_plane_state(crtc);
- DRM_DEBUG_KMS("[CRTC:%d] hw state readout: %s\n",
- crtc->base.base.id,
+ DRM_DEBUG_KMS("[CRTC:%d:%s] hw state readout: %s\n",
+ crtc->base.base.id, crtc->base.name,
crtc->active ? "enabled" : "disabled");
}
state->acquire_ctx = &ctx;
+ /* ignore any reset values/BIOS leftovers in the WM registers */
+ to_intel_atomic_state(state)->skip_intermediate_wm = true;
+
for_each_crtc_in_state(state, crtc, crtc_state, i) {
/*
* Force recalculation even if we restore
projects / mirror_ubuntu-artful-kernel.git / blobdiff