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authorDave Airlie <airlied@redhat.com>2015-10-16 09:59:19 +1000
committerDave Airlie <airlied@redhat.com>2015-10-16 09:59:19 +1000
commitb312785579f8ec1900d0ed7e6e33bc9517c175fc (patch)
tree159cd9dd3396733c637028032dd9624762fc1d7d /drivers/gpu/drm/i915/intel_pm.c
parentaa1b36f2bb068e6d76b0bef2da286631bfa1bff1 (diff)
parent44cc6c08da0b6c8321c6740bbb6a0c6feb45b2c2 (diff)
downloadlinux-b312785579f8ec1900d0ed7e6e33bc9517c175fc.tar.bz2
Merge tag 'drm-intel-next-2015-09-28-merged' of git://anongit.freedesktop.org/drm-intel into drm-next
drm-intel-next-2015-09-28: - fastboot by default for some systems (Maarten Lankhorts) - piles of workarounds for bxt and skl - more fbc work from Paulo - fix hdmi hotplug detection (Sonika) - first few patches from Ville to parametrize register macros, prep work for typesafe mmio functions - prep work for nv12 rotation (Tvrtko Ursulin) - various other bugfixes and improvements all over I have another backmerge here since things became messy and I didn't realize you resolved some of them already (usually you complain when there's a conflict ...). For 4.4 I plan one more feature round after this and then that's it. * tag 'drm-intel-next-2015-09-28-merged' of git://anongit.freedesktop.org/drm-intel: (80 commits) drm/i915: Update DRIVER_DATE to 20150928 drm/i915: fix task reference leak in i915_debugfs.c drm/i915: Defer adding preallocated stolen objects to the VM list drm/i915: Remove extraneous request cancel. drm/i915: Enable querying offset of UV plane with intel_plane_obj_offset drm/i915: Support NV12 in rotated GGTT mapping drm/i915: Support appending to the rotated pages mapping drm/i915: Support planar formats in tile height calculations drm/i915/bxt: Update revision id for BXT C0 drm/i915: Parametrize CSR_PROGRAM registers drm/i915: Parametrize DDI_BUF_TRANS registers drm/i915: Parametrize TV luma/chroma filter registers drm/i915: Replace raw numbers with the approproate register name in ILK turbo code drm/i915: Parametrize ILK turbo registers drm/i915: Parametrize FBC_TAG registers drm/i915: Parametrize GEN7_GT_SCRATCH and GEN7_LRA_LIMITS drm/i915: Parametrize LRC registers drm/i915: Don't pass sdvo_reg to intel_sdvo_select_{ddc, i2c}_bus() drm/i915: Ignore "digital output" and "not HDMI output" bits for eDP detection drm/i915: Make sure we don't detect eDP on g4x ...
Diffstat (limited to 'drivers/gpu/drm/i915/intel_pm.c')
-rw-r--r--drivers/gpu/drm/i915/intel_pm.c98
1 files changed, 79 insertions, 19 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 1f6b5bbc74ef..ab5ac5ee1825 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -134,6 +134,12 @@ static void bxt_init_clock_gating(struct drm_device *dev)
*/
I915_WRITE(TILECTL, I915_READ(TILECTL) | TILECTL_TLBPF);
}
+
+ /* WaSetClckGatingDisableMedia:bxt */
+ if (INTEL_REVID(dev) == BXT_REVID_A0) {
+ I915_WRITE(GEN7_MISCCPCTL, (I915_READ(GEN7_MISCCPCTL) &
+ ~GEN8_DOP_CLOCK_GATE_MEDIA_ENABLE));
+ }
}
static void i915_pineview_get_mem_freq(struct drm_device *dev)
@@ -3679,6 +3685,26 @@ static void skl_update_other_pipe_wm(struct drm_device *dev,
}
}
+static void skl_clear_wm(struct skl_wm_values *watermarks, enum pipe pipe)
+{
+ watermarks->wm_linetime[pipe] = 0;
+ memset(watermarks->plane[pipe], 0,
+ sizeof(uint32_t) * 8 * I915_MAX_PLANES);
+ memset(watermarks->cursor[pipe], 0, sizeof(uint32_t) * 8);
+ memset(watermarks->plane_trans[pipe],
+ 0, sizeof(uint32_t) * I915_MAX_PLANES);
+ watermarks->cursor_trans[pipe] = 0;
+
+ /* Clear ddb entries for pipe */
+ memset(&watermarks->ddb.pipe[pipe], 0, sizeof(struct skl_ddb_entry));
+ memset(&watermarks->ddb.plane[pipe], 0,
+ sizeof(struct skl_ddb_entry) * I915_MAX_PLANES);
+ memset(&watermarks->ddb.y_plane[pipe], 0,
+ sizeof(struct skl_ddb_entry) * I915_MAX_PLANES);
+ memset(&watermarks->ddb.cursor[pipe], 0, sizeof(struct skl_ddb_entry));
+
+}
+
static void skl_update_wm(struct drm_crtc *crtc)
{
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
@@ -3689,7 +3715,11 @@ static void skl_update_wm(struct drm_crtc *crtc)
struct skl_pipe_wm pipe_wm = {};
struct intel_wm_config config = {};
- memset(results, 0, sizeof(*results));
+
+ /* Clear all dirty flags */
+ memset(results->dirty, 0, sizeof(bool) * I915_MAX_PIPES);
+
+ skl_clear_wm(results, intel_crtc->pipe);
skl_compute_wm_global_parameters(dev, &config);
@@ -4268,7 +4298,7 @@ static void ironlake_enable_drps(struct drm_device *dev)
fstart = (rgvmodectl & MEMMODE_FSTART_MASK) >>
MEMMODE_FSTART_SHIFT;
- vstart = (I915_READ(PXVFREQ_BASE + (fstart * 4)) & PXVFREQ_PX_MASK) >>
+ vstart = (I915_READ(PXVFREQ(fstart)) & PXVFREQ_PX_MASK) >>
PXVFREQ_PX_SHIFT;
dev_priv->ips.fmax = fmax; /* IPS callback will increase this */
@@ -4299,10 +4329,10 @@ static void ironlake_enable_drps(struct drm_device *dev)
ironlake_set_drps(dev, fstart);
- dev_priv->ips.last_count1 = I915_READ(0x112e4) + I915_READ(0x112e8) +
- I915_READ(0x112e0);
+ dev_priv->ips.last_count1 = I915_READ(DMIEC) +
+ I915_READ(DDREC) + I915_READ(CSIEC);
dev_priv->ips.last_time1 = jiffies_to_msecs(jiffies);
- dev_priv->ips.last_count2 = I915_READ(0x112f4);
+ dev_priv->ips.last_count2 = I915_READ(GFXEC);
dev_priv->ips.last_time2 = ktime_get_raw_ns();
spin_unlock_irq(&mchdev_lock);
@@ -4473,6 +4503,10 @@ static void gen6_set_rps(struct drm_device *dev, u8 val)
{
struct drm_i915_private *dev_priv = dev->dev_private;
+ /* WaGsvDisableTurbo: Workaround to disable turbo on BXT A* */
+ if (IS_BROXTON(dev) && (INTEL_REVID(dev) < BXT_REVID_B0))
+ return;
+
WARN_ON(!mutex_is_locked(&dev_priv->rps.hw_lock));
WARN_ON(val > dev_priv->rps.max_freq);
WARN_ON(val < dev_priv->rps.min_freq);
@@ -4793,6 +4827,12 @@ static void gen9_enable_rps(struct drm_device *dev)
gen6_init_rps_frequencies(dev);
+ /* WaGsvDisableTurbo: Workaround to disable turbo on BXT A* */
+ if (IS_BROXTON(dev) && (INTEL_REVID(dev) < BXT_REVID_B0)) {
+ intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL);
+ return;
+ }
+
/* Program defaults and thresholds for RPS*/
I915_WRITE(GEN6_RC_VIDEO_FREQ,
GEN9_FREQUENCY(dev_priv->rps.rp1_freq));
@@ -4830,11 +4870,21 @@ static void gen9_enable_rc6(struct drm_device *dev)
I915_WRITE(GEN6_RC_CONTROL, 0);
/* 2b: Program RC6 thresholds.*/
- I915_WRITE(GEN6_RC6_WAKE_RATE_LIMIT, 54 << 16);
+
+ /* WaRsDoubleRc6WrlWithCoarsePowerGating: Doubling WRL only when CPG is enabled */
+ if (IS_SKYLAKE(dev) && !((IS_SKL_GT3(dev) || IS_SKL_GT4(dev)) &&
+ (INTEL_REVID(dev) <= SKL_REVID_E0)))
+ I915_WRITE(GEN6_RC6_WAKE_RATE_LIMIT, 108 << 16);
+ else
+ I915_WRITE(GEN6_RC6_WAKE_RATE_LIMIT, 54 << 16);
I915_WRITE(GEN6_RC_EVALUATION_INTERVAL, 125000); /* 12500 * 1280ns */
I915_WRITE(GEN6_RC_IDLE_HYSTERSIS, 25); /* 25 * 1280ns */
for_each_ring(ring, dev_priv, unused)
I915_WRITE(RING_MAX_IDLE(ring->mmio_base), 10);
+
+ if (HAS_GUC_UCODE(dev))
+ I915_WRITE(GUC_MAX_IDLE_COUNT, 0xA);
+
I915_WRITE(GEN6_RC_SLEEP, 0);
I915_WRITE(GEN6_RC6_THRESHOLD, 37500); /* 37.5/125ms per EI */
@@ -4847,17 +4897,27 @@ static void gen9_enable_rc6(struct drm_device *dev)
rc6_mask = GEN6_RC_CTL_RC6_ENABLE;
DRM_INFO("RC6 %s\n", (rc6_mask & GEN6_RC_CTL_RC6_ENABLE) ?
"on" : "off");
- I915_WRITE(GEN6_RC_CONTROL, GEN6_RC_CTL_HW_ENABLE |
- GEN6_RC_CTL_EI_MODE(1) |
- rc6_mask);
+
+ if ((IS_SKYLAKE(dev) && INTEL_REVID(dev) <= SKL_REVID_D0) ||
+ (IS_BROXTON(dev) && INTEL_REVID(dev) <= BXT_REVID_A0))
+ I915_WRITE(GEN6_RC_CONTROL, GEN6_RC_CTL_HW_ENABLE |
+ GEN7_RC_CTL_TO_MODE |
+ rc6_mask);
+ else
+ I915_WRITE(GEN6_RC_CONTROL, GEN6_RC_CTL_HW_ENABLE |
+ GEN6_RC_CTL_EI_MODE(1) |
+ rc6_mask);
/*
* 3b: Enable Coarse Power Gating only when RC6 is enabled.
- * WaDisableRenderPowerGating:skl,bxt - Render PG need to be disabled with RC6.
+ * WaRsDisableCoarsePowerGating:skl,bxt - Render/Media PG need to be disabled with RC6.
*/
- I915_WRITE(GEN9_PG_ENABLE, (rc6_mask & GEN6_RC_CTL_RC6_ENABLE) ?
- GEN9_MEDIA_PG_ENABLE : 0);
-
+ if ((IS_BROXTON(dev) && (INTEL_REVID(dev) < BXT_REVID_B0)) ||
+ ((IS_SKL_GT3(dev) || IS_SKL_GT4(dev)) && (INTEL_REVID(dev) <= SKL_REVID_E0)))
+ I915_WRITE(GEN9_PG_ENABLE, 0);
+ else
+ I915_WRITE(GEN9_PG_ENABLE, (rc6_mask & GEN6_RC_CTL_RC6_ENABLE) ?
+ (GEN9_RENDER_PG_ENABLE | GEN9_MEDIA_PG_ENABLE) : 0);
intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL);
@@ -5871,7 +5931,7 @@ static unsigned long __i915_gfx_val(struct drm_i915_private *dev_priv)
assert_spin_locked(&mchdev_lock);
- pxvid = I915_READ(PXVFREQ_BASE + (dev_priv->rps.cur_freq * 4));
+ pxvid = I915_READ(PXVFREQ(dev_priv->rps.cur_freq));
pxvid = (pxvid >> 24) & 0x7f;
ext_v = pvid_to_extvid(dev_priv, pxvid);
@@ -6114,13 +6174,13 @@ static void intel_init_emon(struct drm_device *dev)
I915_WRITE(CSIEW2, 0x04000004);
for (i = 0; i < 5; i++)
- I915_WRITE(PEW + (i * 4), 0);
+ I915_WRITE(PEW(i), 0);
for (i = 0; i < 3; i++)
- I915_WRITE(DEW + (i * 4), 0);
+ I915_WRITE(DEW(i), 0);
/* Program P-state weights to account for frequency power adjustment */
for (i = 0; i < 16; i++) {
- u32 pxvidfreq = I915_READ(PXVFREQ_BASE + (i * 4));
+ u32 pxvidfreq = I915_READ(PXVFREQ(i));
unsigned long freq = intel_pxfreq(pxvidfreq);
unsigned long vid = (pxvidfreq & PXVFREQ_PX_MASK) >>
PXVFREQ_PX_SHIFT;
@@ -6141,7 +6201,7 @@ static void intel_init_emon(struct drm_device *dev)
for (i = 0; i < 4; i++) {
u32 val = (pxw[i*4] << 24) | (pxw[(i*4)+1] << 16) |
(pxw[(i*4)+2] << 8) | (pxw[(i*4)+3]);
- I915_WRITE(PXW + (i * 4), val);
+ I915_WRITE(PXW(i), val);
}
/* Adjust magic regs to magic values (more experimental results) */
@@ -6157,7 +6217,7 @@ static void intel_init_emon(struct drm_device *dev)
I915_WRITE(EG7, 0);
for (i = 0; i < 8; i++)
- I915_WRITE(PXWL + (i * 4), 0);
+ I915_WRITE(PXWL(i), 0);
/* Enable PMON + select events */
I915_WRITE(ECR, 0x80000019);