Merge tag 'drm-intel-next-2019-06-19' of git://anongit.freedesktop.or…

…g/drm/drm-intel into drm-next

Features:
- HDR support (Uma, Ville)
- Add I2C symlink under HDMI connector similar to DP (Oleg)
- Add ICL multi-segmented gamma support (Shashank, Uma)
- Update register whitelist support for new hardware (Robert, John)
- GuC firmware update with updated ABI interface (Michal, Oscar)
- Add support for new DMC header versions (Lucas)
- In-kernel blitter client for selftest use (Matthew)
- Add Mule Creec Canyon (MCC) PCH support to go with EHL (Matt)
- EHL platform feature updates (Matt)
- Use Command Transport Buffers with GuC on all gens (Daniele)
- New i915.force_probe module parameter to replace i915.alpha_support (Jani)

Refactoring:
- Better runtime PM code abstraction/encapsulation (Daniele)
- VBT parsing cleanup and improvements (Jani)
- Move display code to its own subdirectory (Jani)
- Header cleanup (Jani, Daniele)
- Prep work for subsclice mask expansion (Stuart)
- Use uncore mmio register accessors more, remove unused macro wrappers (Tvrtko)
- Remove unused atomic property get/set stubs (Maarten)
- GTT cleanups and improvements (Mika)
- Pass intel_ types instead of drm_ types in plenty of display code (Ville)
- Engine reset, hangcheck, fault code cleanups and improvements (Tvrtko)
- Consider AML variants simply as either KBL or CFL ULX (Ville)
- State checker cleanups and improvements (Ville)
- GEM code reorganization to more files under gem subdirectory (Chris)
- Reducing dependency on a coarse struct_mutex (Chris)

Fixes:
- Fix use of uninitialized/incorrect error pointers (Colin, Dan)
- Fix DSI fastboot on some VLV/CHV platforms (Hans)
- Fix DSI error path (Hans)
- Add ICL port A combo PHY HW state check (Imre)
- Fix ICL AUX-B HW not done issue (Imre)
- Fix perf whitelist on gen10+ (Lionel)
- Fix PSR exit by forcing manual exit on older gens (José)
- Match voltage ranges instead of exact values (Lucas)
- Fix SDVO HDMI audio, with cleanups (Ville)
- Fix plane state dumps (Ville)
- Fix driver cleanup code to support driver hot unbind (Janusz)
- Add checks for ICL memory bandwidth requirements (Ville)
- Fix toggling between no C8 planes vs. at least one C8 plane (Ville)
- Improved checks on PLL usage conditions, refactoring (Ville)
- Avoid clobbering M/N values in fastset fuzzy checks (Ville)
- Take a runtime pm wakeref for atomic commits (Chris)
- Do not allow runtime pm autosuspend to remove userspace GGTT mmaps too quickly (Chris)
- Avoid refcount_inc on known zero count to avoid debug flagging (Chris)

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/87v9x1lpdh.fsf@intel.com

Documentation/gpu/i915.rst

@@ -61,7 +61,7 @@ Intel GVT-g Host Support(vGPU device model)
 Workarounds
 -----------
 
-.. kernel-doc:: drivers/gpu/drm/i915/intel_workarounds.c
+.. kernel-doc:: drivers/gpu/drm/i915/gt/intel_workarounds.c
    :doc: Hardware workarounds
 
 Display Hardware Handling
@@ -82,13 +82,13 @@ change.
 Frontbuffer Tracking
 --------------------
 
-.. kernel-doc:: drivers/gpu/drm/i915/intel_frontbuffer.c
+.. kernel-doc:: drivers/gpu/drm/i915/display/intel_frontbuffer.c
    :doc: frontbuffer tracking
 
-.. kernel-doc:: drivers/gpu/drm/i915/intel_frontbuffer.h
+.. kernel-doc:: drivers/gpu/drm/i915/display/intel_frontbuffer.h
    :internal:
 
-.. kernel-doc:: drivers/gpu/drm/i915/intel_frontbuffer.c
+.. kernel-doc:: drivers/gpu/drm/i915/display/intel_frontbuffer.c
    :internal:
 
 .. kernel-doc:: drivers/gpu/drm/i915/i915_gem.c
@@ -97,10 +97,10 @@ Frontbuffer Tracking
 Display FIFO Underrun Reporting
 -------------------------------
 
-.. kernel-doc:: drivers/gpu/drm/i915/intel_fifo_underrun.c
+.. kernel-doc:: drivers/gpu/drm/i915/display/intel_fifo_underrun.c
    :doc: fifo underrun handling
 
-.. kernel-doc:: drivers/gpu/drm/i915/intel_fifo_underrun.c
+.. kernel-doc:: drivers/gpu/drm/i915/display/intel_fifo_underrun.c
    :internal:
 
 Plane Configuration
@@ -115,10 +115,10 @@ panel self refresh.
 Atomic Plane Helpers
 --------------------
 
-.. kernel-doc:: drivers/gpu/drm/i915/intel_atomic_plane.c
+.. kernel-doc:: drivers/gpu/drm/i915/display/intel_atomic_plane.c
    :doc: atomic plane helpers
 
-.. kernel-doc:: drivers/gpu/drm/i915/intel_atomic_plane.c
+.. kernel-doc:: drivers/gpu/drm/i915/display/intel_atomic_plane.c
    :internal:
 
 Output Probing
@@ -132,19 +132,19 @@ probing, so those sections fully apply.
 Hotplug
 -------
 
-.. kernel-doc:: drivers/gpu/drm/i915/intel_hotplug.c
+.. kernel-doc:: drivers/gpu/drm/i915/display/intel_hotplug.c
    :doc: Hotplug
 
-.. kernel-doc:: drivers/gpu/drm/i915/intel_hotplug.c
+.. kernel-doc:: drivers/gpu/drm/i915/display/intel_hotplug.c
    :internal:
 
 High Definition Audio
 ---------------------
 
-.. kernel-doc:: drivers/gpu/drm/i915/intel_audio.c
+.. kernel-doc:: drivers/gpu/drm/i915/display/intel_audio.c
    :doc: High Definition Audio over HDMI and Display Port
 
-.. kernel-doc:: drivers/gpu/drm/i915/intel_audio.c
+.. kernel-doc:: drivers/gpu/drm/i915/display/intel_audio.c
    :internal:
 
 .. kernel-doc:: include/drm/i915_component.h
@@ -153,58 +153,58 @@ High Definition Audio
 Intel HDMI LPE Audio Support
 ----------------------------
 
-.. kernel-doc:: drivers/gpu/drm/i915/intel_lpe_audio.c
+.. kernel-doc:: drivers/gpu/drm/i915/display/intel_lpe_audio.c
    :doc: LPE Audio integration for HDMI or DP playback
 
-.. kernel-doc:: drivers/gpu/drm/i915/intel_lpe_audio.c
+.. kernel-doc:: drivers/gpu/drm/i915/display/intel_lpe_audio.c
    :internal:
 
 Panel Self Refresh PSR (PSR/SRD)
 --------------------------------
 
-.. kernel-doc:: drivers/gpu/drm/i915/intel_psr.c
+.. kernel-doc:: drivers/gpu/drm/i915/display/intel_psr.c
    :doc: Panel Self Refresh (PSR/SRD)
 
-.. kernel-doc:: drivers/gpu/drm/i915/intel_psr.c
+.. kernel-doc:: drivers/gpu/drm/i915/display/intel_psr.c
    :internal:
 
 Frame Buffer Compression (FBC)
 ------------------------------
 
-.. kernel-doc:: drivers/gpu/drm/i915/intel_fbc.c
+.. kernel-doc:: drivers/gpu/drm/i915/display/intel_fbc.c
    :doc: Frame Buffer Compression (FBC)
 
-.. kernel-doc:: drivers/gpu/drm/i915/intel_fbc.c
+.. kernel-doc:: drivers/gpu/drm/i915/display/intel_fbc.c
    :internal:
 
 Display Refresh Rate Switching (DRRS)
 -------------------------------------
 
-.. kernel-doc:: drivers/gpu/drm/i915/intel_dp.c
+.. kernel-doc:: drivers/gpu/drm/i915/display/intel_dp.c
    :doc: Display Refresh Rate Switching (DRRS)
 
-.. kernel-doc:: drivers/gpu/drm/i915/intel_dp.c
+.. kernel-doc:: drivers/gpu/drm/i915/display/intel_dp.c
    :functions: intel_dp_set_drrs_state
 
-.. kernel-doc:: drivers/gpu/drm/i915/intel_dp.c
+.. kernel-doc:: drivers/gpu/drm/i915/display/intel_dp.c
    :functions: intel_edp_drrs_enable
 
-.. kernel-doc:: drivers/gpu/drm/i915/intel_dp.c
+.. kernel-doc:: drivers/gpu/drm/i915/display/intel_dp.c
    :functions: intel_edp_drrs_disable
 
-.. kernel-doc:: drivers/gpu/drm/i915/intel_dp.c
+.. kernel-doc:: drivers/gpu/drm/i915/display/intel_dp.c
    :functions: intel_edp_drrs_invalidate
 
-.. kernel-doc:: drivers/gpu/drm/i915/intel_dp.c
+.. kernel-doc:: drivers/gpu/drm/i915/display/intel_dp.c
    :functions: intel_edp_drrs_flush
 
-.. kernel-doc:: drivers/gpu/drm/i915/intel_dp.c
+.. kernel-doc:: drivers/gpu/drm/i915/display/intel_dp.c
    :functions: intel_dp_drrs_init
 
 DPIO
 ----
 
-.. kernel-doc:: drivers/gpu/drm/i915/intel_dpio_phy.c
+.. kernel-doc:: drivers/gpu/drm/i915/display/intel_dpio_phy.c
    :doc: DPIO
 
 CSR firmware support for DMC
@@ -219,34 +219,34 @@ CSR firmware support for DMC
 Video BIOS Table (VBT)
 ----------------------
 
-.. kernel-doc:: drivers/gpu/drm/i915/intel_bios.c
+.. kernel-doc:: drivers/gpu/drm/i915/display/intel_bios.c
    :doc: Video BIOS Table (VBT)
 
-.. kernel-doc:: drivers/gpu/drm/i915/intel_bios.c
+.. kernel-doc:: drivers/gpu/drm/i915/display/intel_bios.c
    :internal:
 
-.. kernel-doc:: drivers/gpu/drm/i915/intel_vbt_defs.h
+.. kernel-doc:: drivers/gpu/drm/i915/display/intel_vbt_defs.h
    :internal:
 
 Display clocks
 --------------
 
-.. kernel-doc:: drivers/gpu/drm/i915/intel_cdclk.c
+.. kernel-doc:: drivers/gpu/drm/i915/display/intel_cdclk.c
    :doc: CDCLK / RAWCLK
 
-.. kernel-doc:: drivers/gpu/drm/i915/intel_cdclk.c
+.. kernel-doc:: drivers/gpu/drm/i915/display/intel_cdclk.c
    :internal:
 
 Display PLLs
 ------------
 
-.. kernel-doc:: drivers/gpu/drm/i915/intel_dpll_mgr.c
+.. kernel-doc:: drivers/gpu/drm/i915/display/intel_dpll_mgr.c
    :doc: Display PLLs
 
-.. kernel-doc:: drivers/gpu/drm/i915/intel_dpll_mgr.c
+.. kernel-doc:: drivers/gpu/drm/i915/display/intel_dpll_mgr.c
    :internal:
 
-.. kernel-doc:: drivers/gpu/drm/i915/intel_dpll_mgr.h
+.. kernel-doc:: drivers/gpu/drm/i915/display/intel_dpll_mgr.h
    :internal:
 
 Memory Management and Command Submission
@@ -349,7 +349,7 @@ of buffer object caches. Shrinking is used to make main memory
 available. Note that this is mostly orthogonal to evicting buffer
 objects, which has the goal to make space in gpu virtual address spaces.
 
-.. kernel-doc:: drivers/gpu/drm/i915/i915_gem_shrinker.c
+.. kernel-doc:: drivers/gpu/drm/i915/gem/i915_gem_shrinker.c
    :internal:
 
 Batchbuffer Parsing
@@ -373,18 +373,15 @@ Batchbuffer Pools
 User Batchbuffer Execution
 --------------------------
 
-.. kernel-doc:: drivers/gpu/drm/i915/i915_gem_execbuffer.c
+.. kernel-doc:: drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c
    :doc: User command execution
 
 Logical Rings, Logical Ring Contexts and Execlists
 --------------------------------------------------
 
-.. kernel-doc:: drivers/gpu/drm/i915/intel_lrc.c
+.. kernel-doc:: drivers/gpu/drm/i915/gt/intel_lrc.c
    :doc: Logical Rings, Logical Ring Contexts and Execlists
 
-.. kernel-doc:: drivers/gpu/drm/i915/intel_lrc.c
-   :internal:
-
 Global GTT views
 ----------------
 
@@ -415,10 +412,10 @@ Hardware Tiling and Swizzling Details
 Object Tiling IOCTLs
 --------------------
 
-.. kernel-doc:: drivers/gpu/drm/i915/i915_gem_tiling.c
+.. kernel-doc:: drivers/gpu/drm/i915/gem/i915_gem_tiling.c
    :internal:
 
-.. kernel-doc:: drivers/gpu/drm/i915/i915_gem_tiling.c
+.. kernel-doc:: drivers/gpu/drm/i915/gem/i915_gem_tiling.c
    :doc: buffer object tiling
 
 WOPCM
@@ -478,12 +475,6 @@ i915_context_create and i915_context_free
 .. kernel-doc:: drivers/gpu/drm/i915/i915_trace.h
    :doc: i915_context_create and i915_context_free tracepoints
 
-switch_mm
----------
-
-.. kernel-doc:: drivers/gpu/drm/i915/i915_trace.h
-   :doc: switch_mm tracepoint
-
 Perf
 ====
 

drivers/gpu/drm/i915/Kconfig

@@ -45,19 +45,28 @@ config DRM_I915
 config DRM_I915_ALPHA_SUPPORT
 	bool "Enable alpha quality support for new Intel hardware by default"
 	depends on DRM_I915
-	default n
 	help
-	  Choose this option if you have new Intel hardware and want to enable
-	  the alpha quality i915 driver support for the hardware in this kernel
-	  version. You can also enable the support at runtime using the module
-	  parameter i915.alpha_support=1; this option changes the default for
-	  that module parameter.
+	  This option is deprecated. Use DRM_I915_FORCE_PROBE option instead.
 
-	  It is recommended to upgrade to a kernel version with proper support
-	  as soon as it is available. Generally fixes for platforms with alpha
-	  support are not backported to older kernels.
+config DRM_I915_FORCE_PROBE
+	string "Force probe driver for selected new Intel hardware"
+	depends on DRM_I915
+	default "*" if DRM_I915_ALPHA_SUPPORT
+	help
+	  This is the default value for the i915.force_probe module
+	  parameter. Using the module parameter overrides this option.
 
-	  If in doubt, say "N".
+	  Force probe the driver for new Intel graphics devices that are
+	  recognized but not properly supported by this kernel version. It is
+	  recommended to upgrade to a kernel version with proper support as soon
+	  as it is available.
+
+	  Use "" to disable force probe. If in doubt, use this.
+
+	  Use "<pci-id>[,<pci-id>,...]" to force probe the driver for listed
+	  devices. For example, "4500" or "4500,4571".
+
+	  Use "*" to force probe the driver for all known devices.
 
 config DRM_I915_CAPTURE_ERROR
 	bool "Enable capturing GPU state following a hang"

drivers/gpu/drm/i915/Kconfig.debug

@@ -21,6 +21,7 @@ config DRM_I915_DEBUG
         depends on DRM_I915
         select DEBUG_FS
         select PREEMPT_COUNT
+        select REFCOUNT_FULL
         select I2C_CHARDEV
         select STACKDEPOT
         select DRM_DP_AUX_CHARDEV
@@ -32,6 +33,7 @@ config DRM_I915_DEBUG
 	select DRM_I915_SW_FENCE_DEBUG_OBJECTS
 	select DRM_I915_SELFTEST
 	select DRM_I915_DEBUG_RUNTIME_PM
+	select DRM_I915_DEBUG_MMIO
         default n
         help
           Choose this option to turn on extra driver debugging that may affect
@@ -41,6 +43,19 @@ config DRM_I915_DEBUG
 
           If in doubt, say "N".
 
+config DRM_I915_DEBUG_MMIO
+	bool "Always insert extra checks around mmio access by default"
+	default n
+	help
+	  By default, always enables the extra sanity checks (extra register
+	  reads) around every mmio (register) access that will slow the system
+	  down. This sets the default value of i915.mmio_debug to -1 and can
+	  be overridden at module load.
+
+	  Recommended for driver developers only.
+
+	  If in doubt, say "N".
+
 config DRM_I915_DEBUG_GEM
         bool "Insert extra checks into the GEM internals"
         default n

drivers/gpu/drm/i915/Kconfig.profile

@@ -1,5 +1,19 @@
+config DRM_I915_USERFAULT_AUTOSUSPEND
+	int "Runtime autosuspend delay for userspace GGTT mmaps (ms)"
+	default 250 # milliseconds
+	help
+	  On runtime suspend, as we suspend the device, we have to revoke
+	  userspace GGTT mmaps and force userspace to take a pagefault on
+	  their next access. The revocation and subsequent recreation of
+	  the GGTT mmap can be very slow and so we impose a small hysteris
+	  that complements the runtime-pm autosuspend and provides a lower
+	  floor on the autosuspend delay.
+
+	  May be 0 to disable the extra delay and solely use the device level
+	  runtime pm autosuspend delay tunable.
+
 config DRM_I915_SPIN_REQUEST
-	int
+	int "Busywait for request completion (us)"
 	default 5 # microseconds
 	help
 	  Before sleeping waiting for a request (GPU operation) to complete,