Merge tag 'drm-intel-next-2017-09-07' of git://anongit.freedesktop.org/git/drm-intel into drm-next

Getting started with v4.15 features:

- Cannonlake workarounds (Rodrigo, Oscar)
- Infoframe refactoring and fixes to enable infoframes for DP (Ville)
- VBT definition updates (Jani)
- Sparse warning fixes (Ville, Chris)
- Crtc state usage fixes and cleanups (Ville)
- DP vswing, pre-emph and buffer translation refactoring and fixes (Rodrigo)
- Prevent IPS from interfering with CRC capture (Ville, Marta)
- Enable Mesa to advertise ARB_timer_query (Nanley)
- Refactor GT number into intel_device_info (Lionel)
- Avoid eDP DP AUX CH timeouts harder (Manasi)
- CDCLK check improvements (Ville)
- Restore GPU clock boost on missed pageflip vblanks (Chris)
- Fence register reservation API for vGPU (Changbin)
- First batch of CCS fixes (Ville)
- Finally, numerous GEM fixes, cleanups and improvements (Chris)

* tag 'drm-intel-next-2017-09-07' of git://anongit.freedesktop.org/git/drm-intel: (100 commits)
  drm/i915: Update DRIVER_DATE to 20170907
  drm/i915/cnl: WaThrottleEUPerfToAvoidTDBackPressure:cnl(pre-prod)
  drm/i915: Lift has-pinned-pages assert to caller of ____i915_gem_object_get_pages
  drm/i915: Display WA #1133 WaFbcSkipSegments:cnl, glk
  drm/i915/cnl: Allow the reg_read ioctl to read the RCS TIMESTAMP register
  drm/i915: Move device_info.has_snoop into the static tables
  drm/i915: Disable MI_STORE_DATA_IMM for i915g/i915gm
  drm/i915: Re-enable GTT following a device reset
  drm/i915/cnp: Wa 1181: Fix Backlight issue
  drm/i915: Annotate user relocs with __user
  drm/i915: Constify load detect mode
  drm/i915/perf: Remove __user from u64 in drm_i915_perf_oa_config
  drm/i915: Silence sparse by using gfp_t
  drm/i915: io unmap functions want __iomem
  drm/i915: Add __rcu to radix tree slot pointer
  drm/i915: Wake up the device for the fbdev setup
  drm/i915: Add interface to reserve fence registers for vGPU
  drm/i915: Use correct path to trace include
  drm/i915: Fix the missing PPAT cache attributes on CNL
  drm/i915: Fix enum pipe vs. enum transcoder for the PCH transcoder
  ...

1 files changed, 17 insertions, 0 deletions

diff --git a/drivers/gpu/drm/i915/intel_fbc.c b/drivers/gpu/drm/i915/intel_fbc.c
index 8c8ead2276e0..58a772de6672 100644
--- a/drivers/gpu/drm/i915/intel_fbc.c
+++ b/drivers/gpu/drm/i915/intel_fbc.c
@@ -291,6 +291,19 @@ static void gen7_fbc_activate(struct drm_i915_private *dev_priv)
 	u32 dpfc_ctl;
 	int threshold = dev_priv->fbc.threshold;
 
+	/* Display WA #0529: skl, kbl, bxt. */
+	if (IS_GEN9(dev_priv) && !IS_GEMINILAKE(dev_priv)) {
+		u32 val = I915_READ(CHICKEN_MISC_4);
+
+		val &= ~(FBC_STRIDE_OVERRIDE | FBC_STRIDE_MASK);
+
+		if (i915_gem_object_get_tiling(params->vma->obj) !=
+		    I915_TILING_X)
+			val |= FBC_STRIDE_OVERRIDE | params->gen9_wa_cfb_stride;
+
+		I915_WRITE(CHICKEN_MISC_4, val);
+	}
+
 	dpfc_ctl = 0;
 	if (IS_IVYBRIDGE(dev_priv))
 		dpfc_ctl |= IVB_DPFC_CTL_PLANE(params->crtc.plane);
@@ -881,6 +894,10 @@ static void intel_fbc_get_reg_params(struct intel_crtc *crtc,
 	params->fb.stride = cache->fb.stride;
 
 	params->cfb_size = intel_fbc_calculate_cfb_size(dev_priv, cache);
+
+	if (IS_GEN9(dev_priv) && !IS_GEMINILAKE(dev_priv))
+		params->gen9_wa_cfb_stride = DIV_ROUND_UP(cache->plane.src_w,
+						32 * fbc->threshold) * 8;
 }
 
 static bool intel_fbc_reg_params_equal(struct intel_fbc_reg_params *params1,