* i915.i915_enable_fbc parameter
*/
+static void gen9_init_clock_gating(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+
+ /*
+ * WaDisableSDEUnitClockGating:skl
+ * This seems to be a pre-production w/a.
+ */
+ I915_WRITE(GEN8_UCGCTL6, I915_READ(GEN8_UCGCTL6) |
+ GEN8_SDEUNIT_CLOCK_GATE_DISABLE);
+
+ /*
+ * WaDisableDgMirrorFixInHalfSliceChicken5:skl
+ * This is a pre-production w/a.
+ */
+ I915_WRITE(GEN9_HALF_SLICE_CHICKEN5,
+ I915_READ(GEN9_HALF_SLICE_CHICKEN5) &
+ ~GEN9_DG_MIRROR_FIX_ENABLE);
+
+ /* Wa4x4STCOptimizationDisable:skl */
+ I915_WRITE(CACHE_MODE_1,
+ _MASKED_BIT_ENABLE(GEN8_4x4_STC_OPTIMIZATION_DISABLE));
+}
+
static void i8xx_disable_fbc(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
dpfc_ctl |= IVB_DPFC_CTL_FENCE_EN;
+ if (dev_priv->fbc.false_color)
+ dpfc_ctl |= FBC_CTL_FALSE_COLOR;
+
I915_WRITE(ILK_DPFC_CONTROL, dpfc_ctl | DPFC_CTL_EN);
if (IS_IVYBRIDGE(dev)) {
return dev_priv->display.fbc_enabled(dev);
}
+void gen8_fbc_sw_flush(struct drm_device *dev, u32 value)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+
+ if (!IS_GEN8(dev))
+ return;
+
+ I915_WRITE(MSG_FBC_REND_STATE, value);
+}
+
static void intel_fbc_work_fn(struct work_struct *__work)
{
struct intel_fbc_work *work =
DRM_DEBUG_KMS("framebuffer not tiled or fenced, disabling compression\n");
goto out_disable;
}
+ if (INTEL_INFO(dev)->gen <= 4 && !IS_G4X(dev) &&
+ to_intel_plane(crtc->primary)->rotation != BIT(DRM_ROTATE_0)) {
+ if (set_no_fbc_reason(dev_priv, FBC_UNSUPPORTED_MODE))
+ DRM_DEBUG_KMS("Rotation unsupported, disabling\n");
+ goto out_disable;
+ }
/* If the kernel debugger is active, always disable compression */
if (in_dbg_master())
* A value of 5us seems to be a good balance; safe for very low end
* platforms but not overly aggressive on lower latency configs.
*/
-static const int latency_ns = 5000;
+static const int pessimal_latency_ns = 5000;
static int i9xx_get_fifo_size(struct drm_device *dev, int plane)
{
.guard_size = 2,
.cacheline_size = I915_FIFO_LINE_SIZE,
};
-static const struct intel_watermark_params i830_wm_info = {
+static const struct intel_watermark_params i830_a_wm_info = {
.fifo_size = I855GM_FIFO_SIZE,
.max_wm = I915_MAX_WM,
.default_wm = 1,
.guard_size = 2,
.cacheline_size = I830_FIFO_LINE_SIZE,
};
+static const struct intel_watermark_params i830_bc_wm_info = {
+ .fifo_size = I855GM_FIFO_SIZE,
+ .max_wm = I915_MAX_WM/2,
+ .default_wm = 1,
+ .guard_size = 2,
+ .cacheline_size = I830_FIFO_LINE_SIZE,
+};
static const struct intel_watermark_params i845_wm_info = {
.fifo_size = I830_FIFO_SIZE,
.max_wm = I915_MAX_WM,
display, cursor);
}
-static bool vlv_compute_drain_latency(struct drm_device *dev,
- int plane,
- int *plane_prec_mult,
- int *plane_dl,
- int *cursor_prec_mult,
- int *cursor_dl)
+static bool vlv_compute_drain_latency(struct drm_crtc *crtc,
+ int pixel_size,
+ int *prec_mult,
+ int *drain_latency)
{
- struct drm_crtc *crtc;
- int clock, pixel_size;
int entries;
+ int clock = to_intel_crtc(crtc)->config.adjusted_mode.crtc_clock;
- crtc = intel_get_crtc_for_plane(dev, plane);
- if (!intel_crtc_active(crtc))
+ if (WARN(clock == 0, "Pixel clock is zero!\n"))
return false;
- clock = to_intel_crtc(crtc)->config.adjusted_mode.crtc_clock;
- pixel_size = crtc->primary->fb->bits_per_pixel / 8; /* BPP */
+ if (WARN(pixel_size == 0, "Pixel size is zero!\n"))
+ return false;
- entries = (clock / 1000) * pixel_size;
- *plane_prec_mult = (entries > 128) ?
- DRAIN_LATENCY_PRECISION_64 : DRAIN_LATENCY_PRECISION_32;
- *plane_dl = (64 * (*plane_prec_mult) * 4) / entries;
+ entries = DIV_ROUND_UP(clock, 1000) * pixel_size;
+ *prec_mult = (entries > 128) ? DRAIN_LATENCY_PRECISION_64 :
+ DRAIN_LATENCY_PRECISION_32;
+ *drain_latency = (64 * (*prec_mult) * 4) / entries;
- entries = (clock / 1000) * 4; /* BPP is always 4 for cursor */
- *cursor_prec_mult = (entries > 128) ?
- DRAIN_LATENCY_PRECISION_64 : DRAIN_LATENCY_PRECISION_32;
- *cursor_dl = (64 * (*cursor_prec_mult) * 4) / entries;
+ if (*drain_latency > DRAIN_LATENCY_MASK)
+ *drain_latency = DRAIN_LATENCY_MASK;
return true;
}
* latency value.
*/
-static void vlv_update_drain_latency(struct drm_device *dev)
+static void vlv_update_drain_latency(struct drm_crtc *crtc)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
- int planea_prec, planea_dl, planeb_prec, planeb_dl;
- int cursora_prec, cursora_dl, cursorb_prec, cursorb_dl;
- int plane_prec_mult, cursor_prec_mult; /* Precision multiplier is
- either 16 or 32 */
+ struct drm_i915_private *dev_priv = crtc->dev->dev_private;
+ struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+ int pixel_size;
+ int drain_latency;
+ enum pipe pipe = intel_crtc->pipe;
+ int plane_prec, prec_mult, plane_dl;
- /* For plane A, Cursor A */
- if (vlv_compute_drain_latency(dev, 0, &plane_prec_mult, &planea_dl,
- &cursor_prec_mult, &cursora_dl)) {
- cursora_prec = (cursor_prec_mult == DRAIN_LATENCY_PRECISION_32) ?
- DDL_CURSORA_PRECISION_32 : DDL_CURSORA_PRECISION_64;
- planea_prec = (plane_prec_mult == DRAIN_LATENCY_PRECISION_32) ?
- DDL_PLANEA_PRECISION_32 : DDL_PLANEA_PRECISION_64;
+ plane_dl = I915_READ(VLV_DDL(pipe)) & ~(DDL_PLANE_PRECISION_64 |
+ DRAIN_LATENCY_MASK | DDL_CURSOR_PRECISION_64 |
+ (DRAIN_LATENCY_MASK << DDL_CURSOR_SHIFT));
- I915_WRITE(VLV_DDL1, cursora_prec |
- (cursora_dl << DDL_CURSORA_SHIFT) |
- planea_prec | planea_dl);
+ if (!intel_crtc_active(crtc)) {
+ I915_WRITE(VLV_DDL(pipe), plane_dl);
+ return;
+ }
+
+ /* Primary plane Drain Latency */
+ pixel_size = crtc->primary->fb->bits_per_pixel / 8; /* BPP */
+ if (vlv_compute_drain_latency(crtc, pixel_size, &prec_mult, &drain_latency)) {
+ plane_prec = (prec_mult == DRAIN_LATENCY_PRECISION_64) ?
+ DDL_PLANE_PRECISION_64 :
+ DDL_PLANE_PRECISION_32;
+ plane_dl |= plane_prec | drain_latency;
}
- /* For plane B, Cursor B */
- if (vlv_compute_drain_latency(dev, 1, &plane_prec_mult, &planeb_dl,
- &cursor_prec_mult, &cursorb_dl)) {
- cursorb_prec = (cursor_prec_mult == DRAIN_LATENCY_PRECISION_32) ?
- DDL_CURSORB_PRECISION_32 : DDL_CURSORB_PRECISION_64;
- planeb_prec = (plane_prec_mult == DRAIN_LATENCY_PRECISION_32) ?
- DDL_PLANEB_PRECISION_32 : DDL_PLANEB_PRECISION_64;
+ /* Cursor Drain Latency
+ * BPP is always 4 for cursor
+ */
+ pixel_size = 4;
- I915_WRITE(VLV_DDL2, cursorb_prec |
- (cursorb_dl << DDL_CURSORB_SHIFT) |
- planeb_prec | planeb_dl);
+ /* Program cursor DL only if it is enabled */
+ if (intel_crtc->cursor_base &&
+ vlv_compute_drain_latency(crtc, pixel_size, &prec_mult, &drain_latency)) {
+ plane_prec = (prec_mult == DRAIN_LATENCY_PRECISION_64) ?
+ DDL_CURSOR_PRECISION_64 :
+ DDL_CURSOR_PRECISION_32;
+ plane_dl |= plane_prec | (drain_latency << DDL_CURSOR_SHIFT);
}
+
+ I915_WRITE(VLV_DDL(pipe), plane_dl);
}
#define single_plane_enabled(mask) is_power_of_2(mask)
unsigned int enabled = 0;
bool cxsr_enabled;
- vlv_update_drain_latency(dev);
+ vlv_update_drain_latency(crtc);
if (g4x_compute_wm0(dev, PIPE_A,
- &valleyview_wm_info, latency_ns,
- &valleyview_cursor_wm_info, latency_ns,
+ &valleyview_wm_info, pessimal_latency_ns,
+ &valleyview_cursor_wm_info, pessimal_latency_ns,
&planea_wm, &cursora_wm))
enabled |= 1 << PIPE_A;
if (g4x_compute_wm0(dev, PIPE_B,
- &valleyview_wm_info, latency_ns,
- &valleyview_cursor_wm_info, latency_ns,
+ &valleyview_wm_info, pessimal_latency_ns,
+ &valleyview_cursor_wm_info, pessimal_latency_ns,
&planeb_wm, &cursorb_wm))
enabled |= 1 << PIPE_B;
plane_sr = cursor_sr = 0;
}
- DRM_DEBUG_KMS("Setting FIFO watermarks - A: plane=%d, cursor=%d, B: plane=%d, cursor=%d, SR: plane=%d, cursor=%d\n",
+ DRM_DEBUG_KMS("Setting FIFO watermarks - A: plane=%d, cursor=%d, "
+ "B: plane=%d, cursor=%d, SR: plane=%d, cursor=%d\n",
planea_wm, cursora_wm,
planeb_wm, cursorb_wm,
plane_sr, cursor_sr);
(plane_sr << DSPFW_SR_SHIFT) |
(cursorb_wm << DSPFW_CURSORB_SHIFT) |
(planeb_wm << DSPFW_PLANEB_SHIFT) |
- planea_wm);
+ (planea_wm << DSPFW_PLANEA_SHIFT));
I915_WRITE(DSPFW2,
(I915_READ(DSPFW2) & ~DSPFW_CURSORA_MASK) |
(cursora_wm << DSPFW_CURSORA_SHIFT));
intel_set_memory_cxsr(dev_priv, true);
}
+static void cherryview_update_wm(struct drm_crtc *crtc)
+{
+ struct drm_device *dev = crtc->dev;
+ static const int sr_latency_ns = 12000;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ int planea_wm, planeb_wm, planec_wm;
+ int cursora_wm, cursorb_wm, cursorc_wm;
+ int plane_sr, cursor_sr;
+ int ignore_plane_sr, ignore_cursor_sr;
+ unsigned int enabled = 0;
+ bool cxsr_enabled;
+
+ vlv_update_drain_latency(crtc);
+
+ if (g4x_compute_wm0(dev, PIPE_A,
+ &valleyview_wm_info, pessimal_latency_ns,
+ &valleyview_cursor_wm_info, pessimal_latency_ns,
+ &planea_wm, &cursora_wm))
+ enabled |= 1 << PIPE_A;
+
+ if (g4x_compute_wm0(dev, PIPE_B,
+ &valleyview_wm_info, pessimal_latency_ns,
+ &valleyview_cursor_wm_info, pessimal_latency_ns,
+ &planeb_wm, &cursorb_wm))
+ enabled |= 1 << PIPE_B;
+
+ if (g4x_compute_wm0(dev, PIPE_C,
+ &valleyview_wm_info, pessimal_latency_ns,
+ &valleyview_cursor_wm_info, pessimal_latency_ns,
+ &planec_wm, &cursorc_wm))
+ enabled |= 1 << PIPE_C;
+
+ if (single_plane_enabled(enabled) &&
+ g4x_compute_srwm(dev, ffs(enabled) - 1,
+ sr_latency_ns,
+ &valleyview_wm_info,
+ &valleyview_cursor_wm_info,
+ &plane_sr, &ignore_cursor_sr) &&
+ g4x_compute_srwm(dev, ffs(enabled) - 1,
+ 2*sr_latency_ns,
+ &valleyview_wm_info,
+ &valleyview_cursor_wm_info,
+ &ignore_plane_sr, &cursor_sr)) {
+ cxsr_enabled = true;
+ } else {
+ cxsr_enabled = false;
+ intel_set_memory_cxsr(dev_priv, false);
+ plane_sr = cursor_sr = 0;
+ }
+
+ DRM_DEBUG_KMS("Setting FIFO watermarks - A: plane=%d, cursor=%d, "
+ "B: plane=%d, cursor=%d, C: plane=%d, cursor=%d, "
+ "SR: plane=%d, cursor=%d\n",
+ planea_wm, cursora_wm,
+ planeb_wm, cursorb_wm,
+ planec_wm, cursorc_wm,
+ plane_sr, cursor_sr);
+
+ I915_WRITE(DSPFW1,
+ (plane_sr << DSPFW_SR_SHIFT) |
+ (cursorb_wm << DSPFW_CURSORB_SHIFT) |
+ (planeb_wm << DSPFW_PLANEB_SHIFT) |
+ (planea_wm << DSPFW_PLANEA_SHIFT));
+ I915_WRITE(DSPFW2,
+ (I915_READ(DSPFW2) & ~DSPFW_CURSORA_MASK) |
+ (cursora_wm << DSPFW_CURSORA_SHIFT));
+ I915_WRITE(DSPFW3,
+ (I915_READ(DSPFW3) & ~DSPFW_CURSOR_SR_MASK) |
+ (cursor_sr << DSPFW_CURSOR_SR_SHIFT));
+ I915_WRITE(DSPFW9_CHV,
+ (I915_READ(DSPFW9_CHV) & ~(DSPFW_PLANEC_MASK |
+ DSPFW_CURSORC_MASK)) |
+ (planec_wm << DSPFW_PLANEC_SHIFT) |
+ (cursorc_wm << DSPFW_CURSORC_SHIFT));
+
+ if (cxsr_enabled)
+ intel_set_memory_cxsr(dev_priv, true);
+}
+
+static void valleyview_update_sprite_wm(struct drm_plane *plane,
+ struct drm_crtc *crtc,
+ uint32_t sprite_width,
+ uint32_t sprite_height,
+ int pixel_size,
+ bool enabled, bool scaled)
+{
+ struct drm_device *dev = crtc->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ int pipe = to_intel_plane(plane)->pipe;
+ int sprite = to_intel_plane(plane)->plane;
+ int drain_latency;
+ int plane_prec;
+ int sprite_dl;
+ int prec_mult;
+
+ sprite_dl = I915_READ(VLV_DDL(pipe)) & ~(DDL_SPRITE_PRECISION_64(sprite) |
+ (DRAIN_LATENCY_MASK << DDL_SPRITE_SHIFT(sprite)));
+
+ if (enabled && vlv_compute_drain_latency(crtc, pixel_size, &prec_mult,
+ &drain_latency)) {
+ plane_prec = (prec_mult == DRAIN_LATENCY_PRECISION_64) ?
+ DDL_SPRITE_PRECISION_64(sprite) :
+ DDL_SPRITE_PRECISION_32(sprite);
+ sprite_dl |= plane_prec |
+ (drain_latency << DDL_SPRITE_SHIFT(sprite));
+ }
+
+ I915_WRITE(VLV_DDL(pipe), sprite_dl);
+}
+
static void g4x_update_wm(struct drm_crtc *crtc)
{
struct drm_device *dev = crtc->dev;
bool cxsr_enabled;
if (g4x_compute_wm0(dev, PIPE_A,
- &g4x_wm_info, latency_ns,
- &g4x_cursor_wm_info, latency_ns,
+ &g4x_wm_info, pessimal_latency_ns,
+ &g4x_cursor_wm_info, pessimal_latency_ns,
&planea_wm, &cursora_wm))
enabled |= 1 << PIPE_A;
if (g4x_compute_wm0(dev, PIPE_B,
- &g4x_wm_info, latency_ns,
- &g4x_cursor_wm_info, latency_ns,
+ &g4x_wm_info, pessimal_latency_ns,
+ &g4x_cursor_wm_info, pessimal_latency_ns,
&planeb_wm, &cursorb_wm))
enabled |= 1 << PIPE_B;
plane_sr = cursor_sr = 0;
}
- DRM_DEBUG_KMS("Setting FIFO watermarks - A: plane=%d, cursor=%d, B: plane=%d, cursor=%d, SR: plane=%d, cursor=%d\n",
+ DRM_DEBUG_KMS("Setting FIFO watermarks - A: plane=%d, cursor=%d, "
+ "B: plane=%d, cursor=%d, SR: plane=%d, cursor=%d\n",
planea_wm, cursora_wm,
planeb_wm, cursorb_wm,
plane_sr, cursor_sr);
(plane_sr << DSPFW_SR_SHIFT) |
(cursorb_wm << DSPFW_CURSORB_SHIFT) |
(planeb_wm << DSPFW_PLANEB_SHIFT) |
- planea_wm);
+ (planea_wm << DSPFW_PLANEA_SHIFT));
I915_WRITE(DSPFW2,
(I915_READ(DSPFW2) & ~DSPFW_CURSORA_MASK) |
(cursora_wm << DSPFW_CURSORA_SHIFT));
/* 965 has limitations... */
I915_WRITE(DSPFW1, (srwm << DSPFW_SR_SHIFT) |
- (8 << 16) | (8 << 8) | (8 << 0));
- I915_WRITE(DSPFW2, (8 << 8) | (8 << 0));
+ (8 << DSPFW_CURSORB_SHIFT) |
+ (8 << DSPFW_PLANEB_SHIFT) |
+ (8 << DSPFW_PLANEA_SHIFT));
+ I915_WRITE(DSPFW2, (8 << DSPFW_CURSORA_SHIFT) |
+ (8 << DSPFW_PLANEC_SHIFT_OLD));
/* update cursor SR watermark */
I915_WRITE(DSPFW3, (cursor_sr << DSPFW_CURSOR_SR_SHIFT));
else if (!IS_GEN2(dev))
wm_info = &i915_wm_info;
else
- wm_info = &i830_wm_info;
+ wm_info = &i830_a_wm_info;
fifo_size = dev_priv->display.get_fifo_size(dev, 0);
crtc = intel_get_crtc_for_plane(dev, 0);
adjusted_mode = &to_intel_crtc(crtc)->config.adjusted_mode;
planea_wm = intel_calculate_wm(adjusted_mode->crtc_clock,
wm_info, fifo_size, cpp,
- latency_ns);
+ pessimal_latency_ns);
enabled = crtc;
- } else
+ } else {
planea_wm = fifo_size - wm_info->guard_size;
+ if (planea_wm > (long)wm_info->max_wm)
+ planea_wm = wm_info->max_wm;
+ }
+
+ if (IS_GEN2(dev))
+ wm_info = &i830_bc_wm_info;
fifo_size = dev_priv->display.get_fifo_size(dev, 1);
crtc = intel_get_crtc_for_plane(dev, 1);
adjusted_mode = &to_intel_crtc(crtc)->config.adjusted_mode;
planeb_wm = intel_calculate_wm(adjusted_mode->crtc_clock,
wm_info, fifo_size, cpp,
- latency_ns);
+ pessimal_latency_ns);
if (enabled == NULL)
enabled = crtc;
else
enabled = NULL;
- } else
+ } else {
planeb_wm = fifo_size - wm_info->guard_size;
+ if (planeb_wm > (long)wm_info->max_wm)
+ planeb_wm = wm_info->max_wm;
+ }
DRM_DEBUG_KMS("FIFO watermarks - A: %d, B: %d\n", planea_wm, planeb_wm);
planea_wm = intel_calculate_wm(adjusted_mode->crtc_clock,
&i845_wm_info,
dev_priv->display.get_fifo_size(dev, 0),
- 4, latency_ns);
+ 4, pessimal_latency_ns);
fwater_lo = I915_READ(FW_BLC) & ~0xfff;
fwater_lo |= (3<<8) | planea_wm;
else
return 2;
}
-
static void intel_print_wm_latency(struct drm_device *dev,
const char *name,
const uint16_t wm[5])
#define WM_DIRTY_FBC (1 << 24)
#define WM_DIRTY_DDB (1 << 25)
-static unsigned int ilk_compute_wm_dirty(struct drm_device *dev,
+static unsigned int ilk_compute_wm_dirty(struct drm_i915_private *dev_priv,
const struct ilk_wm_values *old,
const struct ilk_wm_values *new)
{
enum pipe pipe;
int wm_lp;
- for_each_pipe(pipe) {
+ for_each_pipe(dev_priv, pipe) {
if (old->wm_linetime[pipe] != new->wm_linetime[pipe]) {
dirty |= WM_DIRTY_LINETIME(pipe);
/* Must disable LP1+ watermarks too */
unsigned int dirty;
uint32_t val;
- dirty = ilk_compute_wm_dirty(dev, previous, results);
+ dirty = ilk_compute_wm_dirty(dev_priv, previous, results);
if (!dirty)
return;
{
int new_power;
+ if (dev_priv->rps.is_bdw_sw_turbo)
+ return;
+
new_power = dev_priv->rps.power;
switch (dev_priv->rps.power) {
case LOW_POWER:
valleyview_set_rps(dev_priv->dev, dev_priv->rps.min_freq_softlimit);
else if (IS_VALLEYVIEW(dev))
vlv_set_rps_idle(dev_priv);
- else
+ else if (!dev_priv->rps.is_bdw_sw_turbo
+ || atomic_read(&dev_priv->rps.sw_turbo.flip_received)){
gen6_set_rps(dev_priv->dev, dev_priv->rps.min_freq_softlimit);
+ }
+
dev_priv->rps.last_adj = 0;
}
mutex_unlock(&dev_priv->rps.hw_lock);
if (dev_priv->rps.enabled) {
if (IS_VALLEYVIEW(dev))
valleyview_set_rps(dev_priv->dev, dev_priv->rps.max_freq_softlimit);
- else
+ else if (!dev_priv->rps.is_bdw_sw_turbo
+ || atomic_read(&dev_priv->rps.sw_turbo.flip_received)){
gen6_set_rps(dev_priv->dev, dev_priv->rps.max_freq_softlimit);
+ }
+
dev_priv->rps.last_adj = 0;
}
mutex_unlock(&dev_priv->rps.hw_lock);
dev_priv->rps.cur_freq,
vlv_gpu_freq(dev_priv, val), val);
+ if (WARN_ONCE(IS_CHERRYVIEW(dev) && (val & 1),
+ "Odd GPU freq value\n"))
+ val &= ~1;
+
if (val != dev_priv->rps.cur_freq)
vlv_punit_write(dev_priv, PUNIT_REG_GPU_FREQ_REQ, val);
static void gen8_disable_rps_interrupts(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
+ if (IS_BROADWELL(dev) && dev_priv->rps.is_bdw_sw_turbo){
+ if (atomic_read(&dev_priv->rps.sw_turbo.flip_received))
+ del_timer(&dev_priv->rps.sw_turbo.flip_timer);
+ dev_priv-> rps.is_bdw_sw_turbo = false;
+ } else {
+ I915_WRITE(GEN6_PMINTRMSK, ~GEN8_PMINTR_REDIRECT_TO_NON_DISP);
+ I915_WRITE(GEN8_GT_IER(2), I915_READ(GEN8_GT_IER(2)) &
+ ~dev_priv->pm_rps_events);
+ /* Complete PM interrupt masking here doesn't race with the rps work
+ * item again unmasking PM interrupts because that is using a different
+ * register (GEN8_GT_IMR(2)) to mask PM interrupts. The only risk is in
+ * leaving stale bits in GEN8_GT_IIR(2) and GEN8_GT_IMR(2) which
+ * gen8_enable_rps will clean up. */
- I915_WRITE(GEN6_PMINTRMSK, ~GEN8_PMINTR_REDIRECT_TO_NON_DISP);
- I915_WRITE(GEN8_GT_IER(2), I915_READ(GEN8_GT_IER(2)) &
- ~dev_priv->pm_rps_events);
- /* Complete PM interrupt masking here doesn't race with the rps work
- * item again unmasking PM interrupts because that is using a different
- * register (GEN8_GT_IMR(2)) to mask PM interrupts. The only risk is in
- * leaving stale bits in GEN8_GT_IIR(2) and GEN8_GT_IMR(2) which
- * gen8_enable_rps will clean up. */
-
- spin_lock_irq(&dev_priv->irq_lock);
- dev_priv->rps.pm_iir = 0;
- spin_unlock_irq(&dev_priv->irq_lock);
+ spin_lock_irq(&dev_priv->irq_lock);
+ dev_priv->rps.pm_iir = 0;
+ spin_unlock_irq(&dev_priv->irq_lock);
- I915_WRITE(GEN8_GT_IIR(2), dev_priv->pm_rps_events);
+ I915_WRITE(GEN8_GT_IIR(2), dev_priv->pm_rps_events);
+ }
}
static void gen6_disable_rps_interrupts(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
+ /* we're doing forcewake before Disabling RC6,
+ * This what the BIOS expects when going into suspend */
+ gen6_gt_force_wake_get(dev_priv, FORCEWAKE_ALL);
+
I915_WRITE(GEN6_RC_CONTROL, 0);
+ gen6_gt_force_wake_put(dev_priv, FORCEWAKE_ALL);
+
gen6_disable_rps_interrupts(dev);
}
dev_priv->rps.min_freq_softlimit = dev_priv->rps.min_freq;
}
+static void bdw_sw_calculate_freq(struct drm_device *dev,
+ struct intel_rps_bdw_cal *c, u32 *cur_time, u32 *c0)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ u64 busy = 0;
+ u32 busyness_pct = 0;
+ u32 elapsed_time = 0;
+ u16 new_freq = 0;
+
+ if (!c || !cur_time || !c0)
+ return;
+
+ if (0 == c->last_c0)
+ goto out;
+
+ /* Check Evaluation interval */
+ elapsed_time = *cur_time - c->last_ts;
+ if (elapsed_time < c->eval_interval)
+ return;
+
+ mutex_lock(&dev_priv->rps.hw_lock);
+
+ /*
+ * c0 unit in 32*1.28 usec, elapsed_time unit in 1 usec.
+ * Whole busyness_pct calculation should be
+ * busy = ((u64)(*c0 - c->last_c0) << 5 << 7) / 100;
+ * busyness_pct = (u32)(busy * 100 / elapsed_time);
+ * The final formula is to simplify CPU calculation
+ */
+ busy = (u64)(*c0 - c->last_c0) << 12;
+ do_div(busy, elapsed_time);
+ busyness_pct = (u32)busy;
+
+ if (c->is_up && busyness_pct >= c->it_threshold_pct)
+ new_freq = (u16)dev_priv->rps.cur_freq + 3;
+ if (!c->is_up && busyness_pct <= c->it_threshold_pct)
+ new_freq = (u16)dev_priv->rps.cur_freq - 1;
+
+ /* Adjust to new frequency busyness and compare with threshold */
+ if (0 != new_freq) {
+ if (new_freq > dev_priv->rps.max_freq_softlimit)
+ new_freq = dev_priv->rps.max_freq_softlimit;
+ else if (new_freq < dev_priv->rps.min_freq_softlimit)
+ new_freq = dev_priv->rps.min_freq_softlimit;
+
+ gen6_set_rps(dev, new_freq);
+ }
+
+ mutex_unlock(&dev_priv->rps.hw_lock);
+
+out:
+ c->last_c0 = *c0;
+ c->last_ts = *cur_time;
+}
+
+static void gen8_set_frequency_RP0(struct work_struct *work)
+{
+ struct intel_rps_bdw_turbo *p_bdw_turbo =
+ container_of(work, struct intel_rps_bdw_turbo, work_max_freq);
+ struct intel_gen6_power_mgmt *p_power_mgmt =
+ container_of(p_bdw_turbo, struct intel_gen6_power_mgmt, sw_turbo);
+ struct drm_i915_private *dev_priv =
+ container_of(p_power_mgmt, struct drm_i915_private, rps);
+
+ mutex_lock(&dev_priv->rps.hw_lock);
+ gen6_set_rps(dev_priv->dev, dev_priv->rps.rp0_freq);
+ mutex_unlock(&dev_priv->rps.hw_lock);
+}
+
+static void flip_active_timeout_handler(unsigned long var)
+{
+ struct drm_i915_private *dev_priv = (struct drm_i915_private *) var;
+
+ del_timer(&dev_priv->rps.sw_turbo.flip_timer);
+ atomic_set(&dev_priv->rps.sw_turbo.flip_received, false);
+
+ queue_work(dev_priv->wq, &dev_priv->rps.sw_turbo.work_max_freq);
+}
+
+void bdw_software_turbo(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+
+ u32 current_time = I915_READ(TIMESTAMP_CTR); /* unit in usec */
+ u32 current_c0 = I915_READ(MCHBAR_PCU_C0); /* unit in 32*1.28 usec */
+
+ bdw_sw_calculate_freq(dev, &dev_priv->rps.sw_turbo.up,
+ ¤t_time, ¤t_c0);
+ bdw_sw_calculate_freq(dev, &dev_priv->rps.sw_turbo.down,
+ ¤t_time, ¤t_c0);
+}
+
static void gen8_enable_rps(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_engine_cs *ring;
uint32_t rc6_mask = 0, rp_state_cap;
+ uint32_t threshold_up_pct, threshold_down_pct;
+ uint32_t ei_up, ei_down; /* up and down evaluation interval */
+ u32 rp_ctl_flag;
int unused;
+ /* Use software Turbo for BDW */
+ dev_priv->rps.is_bdw_sw_turbo = IS_BROADWELL(dev);
+
/* 1a: Software RC state - RC0 */
I915_WRITE(GEN6_RC_STATE, 0);
HSW_FREQUENCY(dev_priv->rps.rp1_freq));
I915_WRITE(GEN6_RC_VIDEO_FREQ,
HSW_FREQUENCY(dev_priv->rps.rp1_freq));
- /* NB: Docs say 1s, and 1000000 - which aren't equivalent */
- I915_WRITE(GEN6_RP_DOWN_TIMEOUT, 100000000 / 128); /* 1 second timeout */
+ ei_up = 84480; /* 84.48ms */
+ ei_down = 448000;
+ threshold_up_pct = 90; /* x percent busy */
+ threshold_down_pct = 70;
+
+ if (dev_priv->rps.is_bdw_sw_turbo) {
+ dev_priv->rps.sw_turbo.up.it_threshold_pct = threshold_up_pct;
+ dev_priv->rps.sw_turbo.up.eval_interval = ei_up;
+ dev_priv->rps.sw_turbo.up.is_up = true;
+ dev_priv->rps.sw_turbo.up.last_ts = 0;
+ dev_priv->rps.sw_turbo.up.last_c0 = 0;
+
+ dev_priv->rps.sw_turbo.down.it_threshold_pct = threshold_down_pct;
+ dev_priv->rps.sw_turbo.down.eval_interval = ei_down;
+ dev_priv->rps.sw_turbo.down.is_up = false;
+ dev_priv->rps.sw_turbo.down.last_ts = 0;
+ dev_priv->rps.sw_turbo.down.last_c0 = 0;
+
+ /* Start the timer to track if flip comes*/
+ dev_priv->rps.sw_turbo.timeout = 200*1000; /* in us */
+
+ init_timer(&dev_priv->rps.sw_turbo.flip_timer);
+ dev_priv->rps.sw_turbo.flip_timer.function = flip_active_timeout_handler;
+ dev_priv->rps.sw_turbo.flip_timer.data = (unsigned long) dev_priv;
+ dev_priv->rps.sw_turbo.flip_timer.expires =
+ usecs_to_jiffies(dev_priv->rps.sw_turbo.timeout) + jiffies;
+ add_timer(&dev_priv->rps.sw_turbo.flip_timer);
+ INIT_WORK(&dev_priv->rps.sw_turbo.work_max_freq, gen8_set_frequency_RP0);
+
+ atomic_set(&dev_priv->rps.sw_turbo.flip_received, true);
+ } else {
+ /* NB: Docs say 1s, and 1000000 - which aren't equivalent
+ * 1 second timeout*/
+ I915_WRITE(GEN6_RP_DOWN_TIMEOUT, FREQ_1_28_US(1000000));
- /* Docs recommend 900MHz, and 300 MHz respectively */
- I915_WRITE(GEN6_RP_INTERRUPT_LIMITS,
- dev_priv->rps.max_freq_softlimit << 24 |
- dev_priv->rps.min_freq_softlimit << 16);
+ /* Docs recommend 900MHz, and 300 MHz respectively */
+ I915_WRITE(GEN6_RP_INTERRUPT_LIMITS,
+ dev_priv->rps.max_freq_softlimit << 24 |
+ dev_priv->rps.min_freq_softlimit << 16);
- I915_WRITE(GEN6_RP_UP_THRESHOLD, 7600000 / 128); /* 76ms busyness per EI, 90% */
- I915_WRITE(GEN6_RP_DOWN_THRESHOLD, 31300000 / 128); /* 313ms busyness per EI, 70%*/
- I915_WRITE(GEN6_RP_UP_EI, 66000); /* 84.48ms, XXX: random? */
- I915_WRITE(GEN6_RP_DOWN_EI, 350000); /* 448ms, XXX: random? */
+ I915_WRITE(GEN6_RP_UP_THRESHOLD,
+ FREQ_1_28_US(ei_up * threshold_up_pct / 100));
+ I915_WRITE(GEN6_RP_DOWN_THRESHOLD,
+ FREQ_1_28_US(ei_down * threshold_down_pct / 100));
+ I915_WRITE(GEN6_RP_UP_EI,
+ FREQ_1_28_US(ei_up));
+ I915_WRITE(GEN6_RP_DOWN_EI,
+ FREQ_1_28_US(ei_down));
- I915_WRITE(GEN6_RP_IDLE_HYSTERSIS, 10);
+ I915_WRITE(GEN6_RP_IDLE_HYSTERSIS, 10);
+ }
/* 5: Enable RPS */
- I915_WRITE(GEN6_RP_CONTROL,
- GEN6_RP_MEDIA_TURBO |
- GEN6_RP_MEDIA_HW_NORMAL_MODE |
- GEN6_RP_MEDIA_IS_GFX |
- GEN6_RP_ENABLE |
- GEN6_RP_UP_BUSY_AVG |
- GEN6_RP_DOWN_IDLE_AVG);
-
- /* 6: Ring frequency + overclocking (our driver does this later */
-
+ rp_ctl_flag = GEN6_RP_MEDIA_TURBO |
+ GEN6_RP_MEDIA_HW_NORMAL_MODE |
+ GEN6_RP_MEDIA_IS_GFX |
+ GEN6_RP_UP_BUSY_AVG |
+ GEN6_RP_DOWN_IDLE_AVG;
+ if (!dev_priv->rps.is_bdw_sw_turbo)
+ rp_ctl_flag |= GEN6_RP_ENABLE;
+
+ I915_WRITE(GEN6_RP_CONTROL, rp_ctl_flag);
+
+ /* 6: Ring frequency + overclocking
+ * (our driver does this later */
gen6_set_rps(dev, (I915_READ(GEN6_GT_PERF_STATUS) & 0xff00) >> 8);
-
- gen8_enable_rps_interrupts(dev);
+ if (!dev_priv->rps.is_bdw_sw_turbo)
+ gen8_enable_rps_interrupts(dev);
gen6_gt_force_wake_put(dev_priv, FORCEWAKE_ALL);
}
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_engine_cs *ring;
u32 rp_state_cap;
- u32 gt_perf_status;
u32 rc6vids, pcu_mbox = 0, rc6_mask = 0;
u32 gtfifodbg;
int rc6_mode;
gen6_gt_force_wake_get(dev_priv, FORCEWAKE_ALL);
rp_state_cap = I915_READ(GEN6_RP_STATE_CAP);
- gt_perf_status = I915_READ(GEN6_GT_PERF_STATUS);
parse_rp_state_cap(dev_priv, rp_state_cap);
static void valleyview_init_gt_powersave(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
+ u32 val;
valleyview_setup_pctx(dev);
mutex_lock(&dev_priv->rps.hw_lock);
+ val = vlv_punit_read(dev_priv, PUNIT_REG_GPU_FREQ_STS);
+ switch ((val >> 6) & 3) {
+ case 0:
+ case 1:
+ dev_priv->mem_freq = 800;
+ break;
+ case 2:
+ dev_priv->mem_freq = 1066;
+ break;
+ case 3:
+ dev_priv->mem_freq = 1333;
+ break;
+ }
+ DRM_DEBUG_DRIVER("DDR speed: %d MHz", dev_priv->mem_freq);
+
dev_priv->rps.max_freq = valleyview_rps_max_freq(dev_priv);
dev_priv->rps.rp0_freq = dev_priv->rps.max_freq;
DRM_DEBUG_DRIVER("max GPU freq: %d MHz (%u)\n",
static void cherryview_init_gt_powersave(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
+ u32 val;
cherryview_setup_pctx(dev);
mutex_lock(&dev_priv->rps.hw_lock);
+ val = vlv_punit_read(dev_priv, CCK_FUSE_REG);
+ switch ((val >> 2) & 0x7) {
+ case 0:
+ case 1:
+ dev_priv->rps.cz_freq = 200;
+ dev_priv->mem_freq = 1600;
+ break;
+ case 2:
+ dev_priv->rps.cz_freq = 267;
+ dev_priv->mem_freq = 1600;
+ break;
+ case 3:
+ dev_priv->rps.cz_freq = 333;
+ dev_priv->mem_freq = 2000;
+ break;
+ case 4:
+ dev_priv->rps.cz_freq = 320;
+ dev_priv->mem_freq = 1600;
+ break;
+ case 5:
+ dev_priv->rps.cz_freq = 400;
+ dev_priv->mem_freq = 1600;
+ break;
+ }
+ DRM_DEBUG_DRIVER("DDR speed: %d MHz", dev_priv->mem_freq);
+
dev_priv->rps.max_freq = cherryview_rps_max_freq(dev_priv);
dev_priv->rps.rp0_freq = dev_priv->rps.max_freq;
DRM_DEBUG_DRIVER("max GPU freq: %d MHz (%u)\n",
vlv_gpu_freq(dev_priv, dev_priv->rps.min_freq),
dev_priv->rps.min_freq);
+ WARN_ONCE((dev_priv->rps.max_freq |
+ dev_priv->rps.efficient_freq |
+ dev_priv->rps.rp1_freq |
+ dev_priv->rps.min_freq) & 1,
+ "Odd GPU freq values\n");
+
/* Preserve min/max settings in case of re-init */
if (dev_priv->rps.max_freq_softlimit == 0)
dev_priv->rps.max_freq_softlimit = dev_priv->rps.max_freq;
rps.delayed_resume_work.work);
struct drm_device *dev = dev_priv->dev;
+ dev_priv->rps.is_bdw_sw_turbo = false;
+
mutex_lock(&dev_priv->rps.hw_lock);
if (IS_CHERRYVIEW(dev)) {
struct drm_i915_private *dev_priv = dev->dev_private;
int pipe;
- for_each_pipe(pipe) {
+ for_each_pipe(dev_priv, pipe) {
I915_WRITE(DSPCNTR(pipe),
I915_READ(DSPCNTR(pipe)) |
DISPPLANE_TRICKLE_FEED_DISABLE);
/* The below fixes the weird display corruption, a few pixels shifted
* downward, on (only) LVDS of some HP laptops with IVY.
*/
- for_each_pipe(pipe) {
+ for_each_pipe(dev_priv, pipe) {
val = I915_READ(TRANS_CHICKEN2(pipe));
val |= TRANS_CHICKEN2_TIMING_OVERRIDE;
val &= ~TRANS_CHICKEN2_FDI_POLARITY_REVERSED;
I915_WRITE(TRANS_CHICKEN2(pipe), val);
}
/* WADP0ClockGatingDisable */
- for_each_pipe(pipe) {
+ for_each_pipe(dev_priv, pipe) {
I915_WRITE(TRANS_CHICKEN1(pipe),
TRANS_CHICKEN1_DP0UNIT_GC_DISABLE);
}
}
}
-static void gen8_init_clock_gating(struct drm_device *dev)
+static void broadwell_init_clock_gating(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
enum pipe pipe;
/* FIXME(BDW): Check all the w/a, some might only apply to
* pre-production hw. */
- /* WaDisablePartialInstShootdown:bdw */
- I915_WRITE(GEN8_ROW_CHICKEN,
- _MASKED_BIT_ENABLE(PARTIAL_INSTRUCTION_SHOOTDOWN_DISABLE));
-
- /* WaDisableThreadStallDopClockGating:bdw */
- /* FIXME: Unclear whether we really need this on production bdw. */
- I915_WRITE(GEN8_ROW_CHICKEN,
- _MASKED_BIT_ENABLE(STALL_DOP_GATING_DISABLE));
- /*
- * This GEN8_CENTROID_PIXEL_OPT_DIS W/A is only needed for
- * pre-production hardware
- */
- I915_WRITE(HALF_SLICE_CHICKEN3,
- _MASKED_BIT_ENABLE(GEN8_CENTROID_PIXEL_OPT_DIS));
- I915_WRITE(HALF_SLICE_CHICKEN3,
- _MASKED_BIT_ENABLE(GEN8_SAMPLER_POWER_BYPASS_DIS));
I915_WRITE(GAMTARBMODE, _MASKED_BIT_ENABLE(ARB_MODE_BWGTLB_DISABLE));
I915_WRITE(_3D_CHICKEN3,
_MASKED_BIT_ENABLE(_3D_CHICKEN_SDE_LIMIT_FIFO_POLY_DEPTH(2)));
- I915_WRITE(COMMON_SLICE_CHICKEN2,
- _MASKED_BIT_ENABLE(GEN8_CSC2_SBE_VUE_CACHE_CONSERVATIVE));
-
- I915_WRITE(GEN7_HALF_SLICE_CHICKEN1,
- _MASKED_BIT_ENABLE(GEN7_SINGLE_SUBSCAN_DISPATCH_ENABLE));
-
- /* WaDisableDopClockGating:bdw May not be needed for production */
- I915_WRITE(GEN7_ROW_CHICKEN2,
- _MASKED_BIT_ENABLE(DOP_CLOCK_GATING_DISABLE));
/* WaSwitchSolVfFArbitrationPriority:bdw */
I915_WRITE(GAM_ECOCHK, I915_READ(GAM_ECOCHK) | HSW_ECOCHK_ARB_PRIO_SOL);
I915_READ(CHICKEN_PAR1_1) | DPA_MASK_VBLANK_SRD);
/* WaPsrDPRSUnmaskVBlankInSRD:bdw */
- for_each_pipe(pipe) {
+ for_each_pipe(dev_priv, pipe) {
I915_WRITE(CHICKEN_PIPESL_1(pipe),
I915_READ(CHICKEN_PIPESL_1(pipe)) |
BDW_DPRS_MASK_VBLANK_SRD);
}
- /* Use Force Non-Coherent whenever executing a 3D context. This is a
- * workaround for for a possible hang in the unlikely event a TLB
- * invalidation occurs during a PSD flush.
- */
- I915_WRITE(HDC_CHICKEN0,
- I915_READ(HDC_CHICKEN0) |
- _MASKED_BIT_ENABLE(HDC_FORCE_NON_COHERENT));
-
/* WaVSRefCountFullforceMissDisable:bdw */
/* WaDSRefCountFullforceMissDisable:bdw */
I915_WRITE(GEN7_FF_THREAD_MODE,
I915_READ(GEN7_FF_THREAD_MODE) &
~(GEN8_FF_DS_REF_CNT_FFME | GEN7_FF_VS_REF_CNT_FFME));
- /*
- * BSpec recommends 8x4 when MSAA is used,
- * however in practice 16x4 seems fastest.
- *
- * Note that PS/WM thread counts depend on the WIZ hashing
- * disable bit, which we don't touch here, but it's good
- * to keep in mind (see 3DSTATE_PS and 3DSTATE_WM).
- */
- I915_WRITE(GEN7_GT_MODE,
- GEN6_WIZ_HASHING_MASK | GEN6_WIZ_HASHING_16x4);
-
I915_WRITE(GEN6_RC_SLEEP_PSMI_CONTROL,
_MASKED_BIT_ENABLE(GEN8_RC_SEMA_IDLE_MSG_DISABLE));
I915_WRITE(GEN8_UCGCTL6, I915_READ(GEN8_UCGCTL6) |
GEN8_SDEUNIT_CLOCK_GATE_DISABLE);
- /* Wa4x4STCOptimizationDisable:bdw */
- I915_WRITE(CACHE_MODE_1,
- _MASKED_BIT_ENABLE(GEN8_4x4_STC_OPTIMIZATION_DISABLE));
+ lpt_init_clock_gating(dev);
}
static void haswell_init_clock_gating(struct drm_device *dev)
static void valleyview_init_clock_gating(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
- u32 val;
-
- mutex_lock(&dev_priv->rps.hw_lock);
- val = vlv_punit_read(dev_priv, PUNIT_REG_GPU_FREQ_STS);
- mutex_unlock(&dev_priv->rps.hw_lock);
- switch ((val >> 6) & 3) {
- case 0:
- case 1:
- dev_priv->mem_freq = 800;
- break;
- case 2:
- dev_priv->mem_freq = 1066;
- break;
- case 3:
- dev_priv->mem_freq = 1333;
- break;
- }
- DRM_DEBUG_DRIVER("DDR speed: %d MHz", dev_priv->mem_freq);
I915_WRITE(DSPCLK_GATE_D, VRHUNIT_CLOCK_GATE_DISABLE);
static void cherryview_init_clock_gating(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
- u32 val;
-
- mutex_lock(&dev_priv->rps.hw_lock);
- val = vlv_punit_read(dev_priv, CCK_FUSE_REG);
- mutex_unlock(&dev_priv->rps.hw_lock);
- switch ((val >> 2) & 0x7) {
- case 0:
- case 1:
- dev_priv->rps.cz_freq = CHV_CZ_CLOCK_FREQ_MODE_200;
- dev_priv->mem_freq = 1600;
- break;
- case 2:
- dev_priv->rps.cz_freq = CHV_CZ_CLOCK_FREQ_MODE_267;
- dev_priv->mem_freq = 1600;
- break;
- case 3:
- dev_priv->rps.cz_freq = CHV_CZ_CLOCK_FREQ_MODE_333;
- dev_priv->mem_freq = 2000;
- break;
- case 4:
- dev_priv->rps.cz_freq = CHV_CZ_CLOCK_FREQ_MODE_320;
- dev_priv->mem_freq = 1600;
- break;
- case 5:
- dev_priv->rps.cz_freq = CHV_CZ_CLOCK_FREQ_MODE_400;
- dev_priv->mem_freq = 1600;
- break;
- }
- DRM_DEBUG_DRIVER("DDR speed: %d MHz", dev_priv->mem_freq);
I915_WRITE(DSPCLK_GATE_D, VRHUNIT_CLOCK_GATE_DISABLE);
I915_WRITE(MI_ARB_VLV, MI_ARB_DISPLAY_TRICKLE_FEED_DISABLE);
- /* WaDisablePartialInstShootdown:chv */
- I915_WRITE(GEN8_ROW_CHICKEN,
- _MASKED_BIT_ENABLE(PARTIAL_INSTRUCTION_SHOOTDOWN_DISABLE));
-
- /* WaDisableThreadStallDopClockGating:chv */
- I915_WRITE(GEN8_ROW_CHICKEN,
- _MASKED_BIT_ENABLE(STALL_DOP_GATING_DISABLE));
-
/* WaVSRefCountFullforceMissDisable:chv */
/* WaDSRefCountFullforceMissDisable:chv */
I915_WRITE(GEN7_FF_THREAD_MODE,
I915_WRITE(GEN8_UCGCTL6, I915_READ(GEN8_UCGCTL6) |
GEN8_SDEUNIT_CLOCK_GATE_DISABLE);
- /* WaDisableSamplerPowerBypass:chv (pre-production hw) */
- I915_WRITE(HALF_SLICE_CHICKEN3,
- _MASKED_BIT_ENABLE(GEN8_SAMPLER_POWER_BYPASS_DIS));
-
/* WaDisableGunitClockGating:chv (pre-production hw) */
I915_WRITE(VLV_GUNIT_CLOCK_GATE, I915_READ(VLV_GUNIT_CLOCK_GATE) |
GINT_DIS);
_MASKED_BIT_ENABLE(GEN8_FF_DOP_CLOCK_GATE_DISABLE));
/* WaDisableDopClockGating:chv (pre-production hw) */
- I915_WRITE(GEN7_ROW_CHICKEN2,
- _MASKED_BIT_ENABLE(DOP_CLOCK_GATING_DISABLE));
I915_WRITE(GEN6_UCGCTL1, I915_READ(GEN6_UCGCTL1) |
GEN6_EU_TCUNIT_CLOCK_GATE_DISABLE);
}
/* On GEN3 we really need to make sure the ARB C3 LP bit is set */
I915_WRITE(MI_ARB_STATE, _MASKED_BIT_ENABLE(MI_ARB_C3_LP_WRITE_ENABLE));
+
+ I915_WRITE(MI_ARB_STATE,
+ _MASKED_BIT_ENABLE(MI_ARB_DISPLAY_TRICKLE_FEED_DISABLE));
}
static void i85x_init_clock_gating(struct drm_device *dev)
/* interrupts should cause a wake up from C3 */
I915_WRITE(MI_STATE, _MASKED_BIT_ENABLE(MI_AGPBUSY_INT_EN) |
_MASKED_BIT_DISABLE(MI_AGPBUSY_830_MODE));
+
+ I915_WRITE(MEM_MODE,
+ _MASKED_BIT_ENABLE(MEM_DISPLAY_TRICKLE_FEED_DISABLE));
}
static void i830_init_clock_gating(struct drm_device *dev)
struct drm_i915_private *dev_priv = dev->dev_private;
I915_WRITE(DSPCLK_GATE_D, OVRUNIT_CLOCK_GATE_DISABLE);
+
+ I915_WRITE(MEM_MODE,
+ _MASKED_BIT_ENABLE(MEM_DISPLAY_A_TRICKLE_FEED_DISABLE) |
+ _MASKED_BIT_ENABLE(MEM_DISPLAY_B_TRICKLE_FEED_DISABLE));
}
void intel_init_clock_gating(struct drm_device *dev)
outb(inb(VGA_MSR_READ), VGA_MSR_WRITE);
vga_put(dev->pdev, VGA_RSRC_LEGACY_IO);
- if (IS_BROADWELL(dev))
+ if (IS_BROADWELL(dev) || (INTEL_INFO(dev)->gen >= 9))
gen8_irq_power_well_post_enable(dev_priv);
}
spin_unlock_irq(&dev_priv->irq_lock);
vlv_set_power_well(dev_priv, power_well, false);
+
+ vlv_power_sequencer_reset(dev_priv);
}
static void vlv_dpio_cmn_power_well_enable(struct drm_i915_private *dev_priv,
static void vlv_dpio_cmn_power_well_disable(struct drm_i915_private *dev_priv,
struct i915_power_well *power_well)
{
- struct drm_device *dev = dev_priv->dev;
enum pipe pipe;
WARN_ON_ONCE(power_well->data != PUNIT_POWER_WELL_DPIO_CMN_BC);
- for_each_pipe(pipe)
+ for_each_pipe(dev_priv, pipe)
assert_pll_disabled(dev_priv, pipe);
/* Assert common reset */
vlv_set_power_well(dev_priv, power_well, false);
}
+static void chv_dpio_cmn_power_well_enable(struct drm_i915_private *dev_priv,
+ struct i915_power_well *power_well)
+{
+ enum dpio_phy phy;
+
+ WARN_ON_ONCE(power_well->data != PUNIT_POWER_WELL_DPIO_CMN_BC &&
+ power_well->data != PUNIT_POWER_WELL_DPIO_CMN_D);
+
+ /*
+ * Enable the CRI clock source so we can get at the
+ * display and the reference clock for VGA
+ * hotplug / manual detection.
+ */
+ if (power_well->data == PUNIT_POWER_WELL_DPIO_CMN_BC) {
+ phy = DPIO_PHY0;
+ I915_WRITE(DPLL(PIPE_B), I915_READ(DPLL(PIPE_B)) |
+ DPLL_REFA_CLK_ENABLE_VLV);
+ I915_WRITE(DPLL(PIPE_B), I915_READ(DPLL(PIPE_B)) |
+ DPLL_REFA_CLK_ENABLE_VLV | DPLL_INTEGRATED_CRI_CLK_VLV);
+ } else {
+ phy = DPIO_PHY1;
+ I915_WRITE(DPLL(PIPE_C), I915_READ(DPLL(PIPE_C)) |
+ DPLL_REFA_CLK_ENABLE_VLV | DPLL_INTEGRATED_CRI_CLK_VLV);
+ }
+ udelay(1); /* >10ns for cmnreset, >0ns for sidereset */
+ vlv_set_power_well(dev_priv, power_well, true);
+
+ /* Poll for phypwrgood signal */
+ if (wait_for(I915_READ(DISPLAY_PHY_STATUS) & PHY_POWERGOOD(phy), 1))
+ DRM_ERROR("Display PHY %d is not power up\n", phy);
+
+ I915_WRITE(DISPLAY_PHY_CONTROL, I915_READ(DISPLAY_PHY_CONTROL) |
+ PHY_COM_LANE_RESET_DEASSERT(phy));
+}
+
+static void chv_dpio_cmn_power_well_disable(struct drm_i915_private *dev_priv,
+ struct i915_power_well *power_well)
+{
+ enum dpio_phy phy;
+
+ WARN_ON_ONCE(power_well->data != PUNIT_POWER_WELL_DPIO_CMN_BC &&
+ power_well->data != PUNIT_POWER_WELL_DPIO_CMN_D);
+
+ if (power_well->data == PUNIT_POWER_WELL_DPIO_CMN_BC) {
+ phy = DPIO_PHY0;
+ assert_pll_disabled(dev_priv, PIPE_A);
+ assert_pll_disabled(dev_priv, PIPE_B);
+ } else {
+ phy = DPIO_PHY1;
+ assert_pll_disabled(dev_priv, PIPE_C);
+ }
+
+ I915_WRITE(DISPLAY_PHY_CONTROL, I915_READ(DISPLAY_PHY_CONTROL) &
+ ~PHY_COM_LANE_RESET_DEASSERT(phy));
+
+ vlv_set_power_well(dev_priv, power_well, false);
+}
+
+static bool chv_pipe_power_well_enabled(struct drm_i915_private *dev_priv,
+ struct i915_power_well *power_well)
+{
+ enum pipe pipe = power_well->data;
+ bool enabled;
+ u32 state, ctrl;
+
+ mutex_lock(&dev_priv->rps.hw_lock);
+
+ state = vlv_punit_read(dev_priv, PUNIT_REG_DSPFREQ) & DP_SSS_MASK(pipe);
+ /*
+ * We only ever set the power-on and power-gate states, anything
+ * else is unexpected.
+ */
+ WARN_ON(state != DP_SSS_PWR_ON(pipe) && state != DP_SSS_PWR_GATE(pipe));
+ enabled = state == DP_SSS_PWR_ON(pipe);
+
+ /*
+ * A transient state at this point would mean some unexpected party
+ * is poking at the power controls too.
+ */
+ ctrl = vlv_punit_read(dev_priv, PUNIT_REG_DSPFREQ) & DP_SSC_MASK(pipe);
+ WARN_ON(ctrl << 16 != state);
+
+ mutex_unlock(&dev_priv->rps.hw_lock);
+
+ return enabled;
+}
+
+static void chv_set_pipe_power_well(struct drm_i915_private *dev_priv,
+ struct i915_power_well *power_well,
+ bool enable)
+{
+ enum pipe pipe = power_well->data;
+ u32 state;
+ u32 ctrl;
+
+ state = enable ? DP_SSS_PWR_ON(pipe) : DP_SSS_PWR_GATE(pipe);
+
+ mutex_lock(&dev_priv->rps.hw_lock);
+
+#define COND \
+ ((vlv_punit_read(dev_priv, PUNIT_REG_DSPFREQ) & DP_SSS_MASK(pipe)) == state)
+
+ if (COND)
+ goto out;
+
+ ctrl = vlv_punit_read(dev_priv, PUNIT_REG_DSPFREQ);
+ ctrl &= ~DP_SSC_MASK(pipe);
+ ctrl |= enable ? DP_SSC_PWR_ON(pipe) : DP_SSC_PWR_GATE(pipe);
+ vlv_punit_write(dev_priv, PUNIT_REG_DSPFREQ, ctrl);
+
+ if (wait_for(COND, 100))
+ DRM_ERROR("timout setting power well state %08x (%08x)\n",
+ state,
+ vlv_punit_read(dev_priv, PUNIT_REG_DSPFREQ));
+
+#undef COND
+
+out:
+ mutex_unlock(&dev_priv->rps.hw_lock);
+}
+
+static void chv_pipe_power_well_sync_hw(struct drm_i915_private *dev_priv,
+ struct i915_power_well *power_well)
+{
+ chv_set_pipe_power_well(dev_priv, power_well, power_well->count > 0);
+}
+
+static void chv_pipe_power_well_enable(struct drm_i915_private *dev_priv,
+ struct i915_power_well *power_well)
+{
+ WARN_ON_ONCE(power_well->data != PIPE_A &&
+ power_well->data != PIPE_B &&
+ power_well->data != PIPE_C);
+
+ chv_set_pipe_power_well(dev_priv, power_well, true);
+}
+
+static void chv_pipe_power_well_disable(struct drm_i915_private *dev_priv,
+ struct i915_power_well *power_well)
+{
+ WARN_ON_ONCE(power_well->data != PIPE_A &&
+ power_well->data != PIPE_B &&
+ power_well->data != PIPE_C);
+
+ chv_set_pipe_power_well(dev_priv, power_well, false);
+}
+
static void check_power_well_state(struct drm_i915_private *dev_priv,
struct i915_power_well *power_well)
{
BIT(POWER_DOMAIN_PORT_DDI_C_4_LANES) | \
BIT(POWER_DOMAIN_INIT))
+#define CHV_PIPE_A_POWER_DOMAINS ( \
+ BIT(POWER_DOMAIN_PIPE_A) | \
+ BIT(POWER_DOMAIN_INIT))
+
+#define CHV_PIPE_B_POWER_DOMAINS ( \
+ BIT(POWER_DOMAIN_PIPE_B) | \
+ BIT(POWER_DOMAIN_INIT))
+
+#define CHV_PIPE_C_POWER_DOMAINS ( \
+ BIT(POWER_DOMAIN_PIPE_C) | \
+ BIT(POWER_DOMAIN_INIT))
+
+#define CHV_DPIO_CMN_BC_POWER_DOMAINS ( \
+ BIT(POWER_DOMAIN_PORT_DDI_B_2_LANES) | \
+ BIT(POWER_DOMAIN_PORT_DDI_B_4_LANES) | \
+ BIT(POWER_DOMAIN_PORT_DDI_C_2_LANES) | \
+ BIT(POWER_DOMAIN_PORT_DDI_C_4_LANES) | \
+ BIT(POWER_DOMAIN_INIT))
+
+#define CHV_DPIO_CMN_D_POWER_DOMAINS ( \
+ BIT(POWER_DOMAIN_PORT_DDI_D_2_LANES) | \
+ BIT(POWER_DOMAIN_PORT_DDI_D_4_LANES) | \
+ BIT(POWER_DOMAIN_INIT))
+
+#define CHV_DPIO_TX_D_LANES_01_POWER_DOMAINS ( \
+ BIT(POWER_DOMAIN_PORT_DDI_D_2_LANES) | \
+ BIT(POWER_DOMAIN_PORT_DDI_D_4_LANES) | \
+ BIT(POWER_DOMAIN_INIT))
+
+#define CHV_DPIO_TX_D_LANES_23_POWER_DOMAINS ( \
+ BIT(POWER_DOMAIN_PORT_DDI_D_4_LANES) | \
+ BIT(POWER_DOMAIN_INIT))
+
static const struct i915_power_well_ops i9xx_always_on_power_well_ops = {
.sync_hw = i9xx_always_on_power_well_noop,
.enable = i9xx_always_on_power_well_noop,
.is_enabled = i9xx_always_on_power_well_enabled,
};
+static const struct i915_power_well_ops chv_pipe_power_well_ops = {
+ .sync_hw = chv_pipe_power_well_sync_hw,
+ .enable = chv_pipe_power_well_enable,
+ .disable = chv_pipe_power_well_disable,
+ .is_enabled = chv_pipe_power_well_enabled,
+};
+
+static const struct i915_power_well_ops chv_dpio_cmn_power_well_ops = {
+ .sync_hw = vlv_power_well_sync_hw,
+ .enable = chv_dpio_cmn_power_well_enable,
+ .disable = chv_dpio_cmn_power_well_disable,
+ .is_enabled = vlv_power_well_enabled,
+};
+
static struct i915_power_well i9xx_always_on_power_well[] = {
{
.name = "always-on",
},
};
+static struct i915_power_well chv_power_wells[] = {
+ {
+ .name = "always-on",
+ .always_on = 1,
+ .domains = VLV_ALWAYS_ON_POWER_DOMAINS,
+ .ops = &i9xx_always_on_power_well_ops,
+ },
+#if 0
+ {
+ .name = "display",
+ .domains = VLV_DISPLAY_POWER_DOMAINS,
+ .data = PUNIT_POWER_WELL_DISP2D,
+ .ops = &vlv_display_power_well_ops,
+ },
+ {
+ .name = "pipe-a",
+ .domains = CHV_PIPE_A_POWER_DOMAINS,
+ .data = PIPE_A,
+ .ops = &chv_pipe_power_well_ops,
+ },
+ {
+ .name = "pipe-b",
+ .domains = CHV_PIPE_B_POWER_DOMAINS,
+ .data = PIPE_B,
+ .ops = &chv_pipe_power_well_ops,
+ },
+ {
+ .name = "pipe-c",
+ .domains = CHV_PIPE_C_POWER_DOMAINS,
+ .data = PIPE_C,
+ .ops = &chv_pipe_power_well_ops,
+ },
+#endif
+ {
+ .name = "dpio-common-bc",
+ /*
+ * XXX: cmnreset for one PHY seems to disturb the other.
+ * As a workaround keep both powered on at the same
+ * time for now.
+ */
+ .domains = CHV_DPIO_CMN_BC_POWER_DOMAINS | CHV_DPIO_CMN_D_POWER_DOMAINS,
+ .data = PUNIT_POWER_WELL_DPIO_CMN_BC,
+ .ops = &chv_dpio_cmn_power_well_ops,
+ },
+ {
+ .name = "dpio-common-d",
+ /*
+ * XXX: cmnreset for one PHY seems to disturb the other.
+ * As a workaround keep both powered on at the same
+ * time for now.
+ */
+ .domains = CHV_DPIO_CMN_BC_POWER_DOMAINS | CHV_DPIO_CMN_D_POWER_DOMAINS,
+ .data = PUNIT_POWER_WELL_DPIO_CMN_D,
+ .ops = &chv_dpio_cmn_power_well_ops,
+ },
+#if 0
+ {
+ .name = "dpio-tx-b-01",
+ .domains = VLV_DPIO_TX_B_LANES_01_POWER_DOMAINS |
+ VLV_DPIO_TX_B_LANES_23_POWER_DOMAINS,
+ .ops = &vlv_dpio_power_well_ops,
+ .data = PUNIT_POWER_WELL_DPIO_TX_B_LANES_01,
+ },
+ {
+ .name = "dpio-tx-b-23",
+ .domains = VLV_DPIO_TX_B_LANES_01_POWER_DOMAINS |
+ VLV_DPIO_TX_B_LANES_23_POWER_DOMAINS,
+ .ops = &vlv_dpio_power_well_ops,
+ .data = PUNIT_POWER_WELL_DPIO_TX_B_LANES_23,
+ },
+ {
+ .name = "dpio-tx-c-01",
+ .domains = VLV_DPIO_TX_C_LANES_01_POWER_DOMAINS |
+ VLV_DPIO_TX_C_LANES_23_POWER_DOMAINS,
+ .ops = &vlv_dpio_power_well_ops,
+ .data = PUNIT_POWER_WELL_DPIO_TX_C_LANES_01,
+ },
+ {
+ .name = "dpio-tx-c-23",
+ .domains = VLV_DPIO_TX_C_LANES_01_POWER_DOMAINS |
+ VLV_DPIO_TX_C_LANES_23_POWER_DOMAINS,
+ .ops = &vlv_dpio_power_well_ops,
+ .data = PUNIT_POWER_WELL_DPIO_TX_C_LANES_23,
+ },
+ {
+ .name = "dpio-tx-d-01",
+ .domains = CHV_DPIO_TX_D_LANES_01_POWER_DOMAINS |
+ CHV_DPIO_TX_D_LANES_23_POWER_DOMAINS,
+ .ops = &vlv_dpio_power_well_ops,
+ .data = PUNIT_POWER_WELL_DPIO_TX_D_LANES_01,
+ },
+ {
+ .name = "dpio-tx-d-23",
+ .domains = CHV_DPIO_TX_D_LANES_01_POWER_DOMAINS |
+ CHV_DPIO_TX_D_LANES_23_POWER_DOMAINS,
+ .ops = &vlv_dpio_power_well_ops,
+ .data = PUNIT_POWER_WELL_DPIO_TX_D_LANES_23,
+ },
+#endif
+};
+
static struct i915_power_well *lookup_power_well(struct drm_i915_private *dev_priv,
enum punit_power_well power_well_id)
{
} else if (IS_BROADWELL(dev_priv->dev)) {
set_power_wells(power_domains, bdw_power_wells);
hsw_pwr = power_domains;
+ } else if (IS_CHERRYVIEW(dev_priv->dev)) {
+ set_power_wells(power_domains, chv_power_wells);
} else if (IS_VALLEYVIEW(dev_priv->dev)) {
set_power_wells(power_domains, vlv_power_wells);
} else {
else if (IS_HASWELL(dev))
dev_priv->display.init_clock_gating = haswell_init_clock_gating;
else if (INTEL_INFO(dev)->gen == 8)
- dev_priv->display.init_clock_gating = gen8_init_clock_gating;
+ dev_priv->display.init_clock_gating = broadwell_init_clock_gating;
+ else if (INTEL_INFO(dev)->gen == 9)
+ dev_priv->display.init_clock_gating = gen9_init_clock_gating;
} else if (IS_CHERRYVIEW(dev)) {
- dev_priv->display.update_wm = valleyview_update_wm;
+ dev_priv->display.update_wm = cherryview_update_wm;
+ dev_priv->display.update_sprite_wm = valleyview_update_sprite_wm;
dev_priv->display.init_clock_gating =
cherryview_init_clock_gating;
} else if (IS_VALLEYVIEW(dev)) {
dev_priv->display.update_wm = valleyview_update_wm;
+ dev_priv->display.update_sprite_wm = valleyview_update_sprite_wm;
dev_priv->display.init_clock_gating =
valleyview_init_clock_gating;
} else if (IS_PINEVIEW(dev)) {
return -1;
}
+ /* CHV needs even values */
opcode = (DIV_ROUND_CLOSEST((val * 2 * mul), dev_priv->rps.cz_freq) * 2);
return opcode;
projects / firefly-linux-kernel-4.4.55.git / blobdiff