Merge tag 'drm-intel-next-2015-07-17' of git://anongit.freedesktop.or…

…g/drm-intel into drm-next

- prelim hw support dropped for skl after Damien fixed an ABI issue around
  planes
- legacy modesetting is done using atomic infrastructure now (Maarten)!
- more gen9 workarounds (Arun&Nick)
- MOCS programming (cache control for better performance) for skl/bxt
- vlv/chv dpll improvements (Ville)
- PSR fixes from Rodrigo
- fbc improvements from Paulo
- plumb requests into execlist submit functions (Mika)
- opregion code cleanup from Jani
- resource streamer support from Abdiel for mesa
- final fixes for 12bpc hdmi + enabling support from Ville
drm-intel-next-2015-07-03:
- dsi improvements (Gaurav)
- bxt ddi dpll hw state readout (Imre)
- chv dvfs support and overall wm improvements for both vlv and chv (Ville)
- ppgtt polish from Mika and Michel
- cdclk support for bxt (Bob Pauwe)
- make frontbuffer tracking more precise
- OLR removal (John Harrison)
- per-ctx WA batch buffer support (Arun Siluvery)
- remvoe KMS Kconfig option (Chris)
- more hpd handling refactoring from Jani
- use atomic states throughout modeset code and integrate with atomic plane
  update (Maarten)
drm-intel-next-2015-06-19:
- refactoring hpd irq handlers (Jani)
- polish skl dpll code a bit (Damien)
- dynamic cdclk adjustement (Ville & Mika)
- fix up 12bpc hdmi and enable it for real again (Ville)
- extend hsw cmd parser to be useful for atomic configuration (Franscico Jerez)
- even more atomic conversion and rolling state handling out across modeset code
  from Maarten & Ander
- fix DRRS idleness detection (Ramalingam)
- clean up dsp address alignment handling (Ville)
- some fbc cleanup patches from Paulo
- prevent hard-hangs when trying to reset the gpu on skl (Mika)

* tag 'drm-intel-next-2015-07-17' of git://anongit.freedesktop.org/drm-intel: (386 commits)
  drm/i915: Update DRIVER_DATE to 20150717
  drm/i915/skl: Drop the preliminary_hw_support flag
  drm/i915/skl: Don't expose the top most plane on gen9 display
  drm/i915: Fix divide by zero on watermark update
  drm/i915: Invert fastboot check
  drm/i915: Clarify logic for initial modeset
  drm/i915: Unconditionally check gmch pfit state
  drm/i915: always disable irqs in intel_pipe_update_start
  drm/i915: Remove use of runtime pm in atomic commit functions
  drm/i915: Call plane update functions directly from intel_atomic_commit.
  drm/i915: Use full atomic modeset.
  drm/i915/gen9: Add WaSetDisablePixMaskCammingAndRhwoInCommonSliceChicken
  drm/i915/gen9: Add WaFlushCoherentL3CacheLinesAtContextSwitch workaround
  drm/i915/gen9: Add WaDisableCtxRestoreArbitration workaround
  drm/i915: Enable WA batch buffers for Gen9
  drm/i915/gen9: Implement WaDisableKillLogic for gen 9
  drm/i915: Use expcitly fixed type in compat32 structs
  drm/i915: Fix noatomic crtc disabling, v2.
  drm/i915: fill in more mode members
  drm/i915: Added BXT check in HAS_CORE_RING_FREQ macro
  ...

Documentation/DocBook/drm.tmpl

@@ -4012,7 +4012,6 @@ int num_ioctls;</synopsis>
         <title>Frontbuffer Tracking</title>
 !Pdrivers/gpu/drm/i915/intel_frontbuffer.c frontbuffer tracking
 !Idrivers/gpu/drm/i915/intel_frontbuffer.c
-!Fdrivers/gpu/drm/i915/intel_drv.h intel_frontbuffer_flip
 !Fdrivers/gpu/drm/i915/i915_gem.c i915_gem_track_fb
       </sect2>
       <sect2>
@@ -4044,6 +4043,11 @@ int num_ioctls;</synopsis>
 	  probing, so those sections fully apply.
         </para>
       </sect2>
+      <sect2>
+        <title>Hotplug</title>
+!Pdrivers/gpu/drm/i915/intel_hotplug.c Hotplug
+!Idrivers/gpu/drm/i915/intel_hotplug.c
+      </sect2>
       <sect2>
 	<title>High Definition Audio</title>
 !Pdrivers/gpu/drm/i915/intel_audio.c High Definition Audio over HDMI and Display Port

arch/x86/configs/x86_64_defconfig

@@ -207,7 +207,6 @@ CONFIG_AGP_AMD64=y
 CONFIG_AGP_INTEL=y
 CONFIG_DRM=y
 CONFIG_DRM_I915=y
-CONFIG_DRM_I915_KMS=y
 CONFIG_FB_MODE_HELPERS=y
 CONFIG_FB_TILEBLITTING=y
 CONFIG_FB_EFI=y

drivers/char/agp/intel-gtt.c

@@ -1408,8 +1408,8 @@ int intel_gmch_probe(struct pci_dev *bridge_pdev, struct pci_dev *gpu_pdev,
 }
 EXPORT_SYMBOL(intel_gmch_probe);
 
-void intel_gtt_get(size_t *gtt_total, size_t *stolen_size,
-		   phys_addr_t *mappable_base, unsigned long *mappable_end)
+void intel_gtt_get(u64 *gtt_total, size_t *stolen_size,
+		   phys_addr_t *mappable_base, u64 *mappable_end)
 {
 	*gtt_total = intel_private.gtt_total_entries << PAGE_SHIFT;
 	*stolen_size = intel_private.stolen_size;

drivers/gpu/drm/drm_crtc.c

@@ -4471,9 +4471,7 @@ static int drm_property_replace_global_blob(struct drm_device *dev,
 			goto err_created;
 	}
 
-	if (old_blob)
-		drm_property_unreference_blob(old_blob);
-
+	drm_property_unreference_blob(old_blob);
 	*replace = new_blob;
 
 	return 0;

drivers/gpu/drm/i915/Kconfig

@@ -36,15 +36,6 @@ config DRM_I915
 	  i810 driver instead, and the Atom z5xx series has an entirely
 	  different implementation.
 
-config DRM_I915_KMS
-	bool "Enable modesetting on intel by default"
-	depends on DRM_I915
-	default y
-	help
-	  Choose this option if you want kernel modesetting enabled by default.
-
-	  If in doubt, say "Y".
-
 config DRM_I915_FBDEV
 	bool "Enable legacy fbdev support for the modesetting intel driver"
 	depends on DRM_I915

drivers/gpu/drm/i915/Makefile

@@ -34,7 +34,9 @@ i915-y += i915_cmd_parser.o \
 	  i915_gpu_error.o \
 	  i915_irq.o \
 	  i915_trace_points.o \
+	  intel_hotplug.o \
 	  intel_lrc.o \
+	  intel_mocs.o \
 	  intel_ringbuffer.o \
 	  intel_uncore.o
 

drivers/gpu/drm/i915/dvo_ivch.c

@@ -22,6 +22,7 @@
  *
  * Authors:
  *    Eric Anholt <eric@anholt.net>
+ *    Thomas Richter <thor@math.tu-berlin.de>
  *
  * Minor modifications (Dithering enable):
  *    Thomas Richter <thor@math.tu-berlin.de>
@@ -90,7 +91,7 @@
 /*
  * LCD Vertical Display Size
  */
-#define VR21	0x20
+#define VR21	0x21
 
 /*
  * Panel power down status
@@ -155,16 +156,33 @@
 # define VR8F_POWER_MASK		(0x3c)
 # define VR8F_POWER_POS			(2)
 
+/* Some Bios implementations do not restore the DVO state upon
+ * resume from standby. Thus, this driver has to handle it
+ * instead. The following list contains all registers that
+ * require saving.
+ */
+static const uint16_t backup_addresses[] = {
+	0x11, 0x12,
+	0x18, 0x19, 0x1a, 0x1f,
+	0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
+	0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
+	0x8e, 0x8f,
+	0x10		/* this must come last */
+};
+
 
 struct ivch_priv {
 	bool quiet;
 
 	uint16_t width, height;
+
+	/* Register backup */
+
+	uint16_t reg_backup[ARRAY_SIZE(backup_addresses)];
 };
 
 
 static void ivch_dump_regs(struct intel_dvo_device *dvo);
-
 /**
  * Reads a register on the ivch.
  *
@@ -246,6 +264,7 @@ static bool ivch_init(struct intel_dvo_device *dvo,
 {
 	struct ivch_priv *priv;
 	uint16_t temp;
+	int i;
 
 	priv = kzalloc(sizeof(struct ivch_priv), GFP_KERNEL);
 	if (priv == NULL)
@@ -273,6 +292,14 @@ static bool ivch_init(struct intel_dvo_device *dvo,
 	ivch_read(dvo, VR20, &priv->width);
 	ivch_read(dvo, VR21, &priv->height);
 
+	/* Make a backup of the registers to be able to restore them
+	 * upon suspend.
+	 */
+	for (i = 0; i < ARRAY_SIZE(backup_addresses); i++)
+		ivch_read(dvo, backup_addresses[i], priv->reg_backup + i);
+
+	ivch_dump_regs(dvo);
+
 	return true;
 
 out:
@@ -294,12 +321,31 @@ static enum drm_mode_status ivch_mode_valid(struct intel_dvo_device *dvo,
 	return MODE_OK;
 }
 
+/* Restore the DVO registers after a resume
+ * from RAM. Registers have been saved during
+ * the initialization.
+ */
+static void ivch_reset(struct intel_dvo_device *dvo)
+{
+	struct ivch_priv *priv = dvo->dev_priv;
+	int i;
+
+	DRM_DEBUG_KMS("Resetting the IVCH registers\n");
+
+	ivch_write(dvo, VR10, 0x0000);
+
+	for (i = 0; i < ARRAY_SIZE(backup_addresses); i++)
+		ivch_write(dvo, backup_addresses[i], priv->reg_backup[i]);
+}
+
 /** Sets the power state of the panel connected to the ivch */
 static void ivch_dpms(struct intel_dvo_device *dvo, bool enable)
 {
 	int i;
 	uint16_t vr01, vr30, backlight;
 
+	ivch_reset(dvo);
+
 	/* Set the new power state of the panel. */
 	if (!ivch_read(dvo, VR01, &vr01))
 		return;
@@ -308,6 +354,7 @@ static void ivch_dpms(struct intel_dvo_device *dvo, bool enable)
 		backlight = 1;
 	else
 		backlight = 0;
+
 	ivch_write(dvo, VR80, backlight);
 
 	if (enable)
@@ -334,6 +381,8 @@ static bool ivch_get_hw_state(struct intel_dvo_device *dvo)
 {
 	uint16_t vr01;
 
+	ivch_reset(dvo);
+
 	/* Set the new power state of the panel. */
 	if (!ivch_read(dvo, VR01, &vr01))
 		return false;
@@ -348,11 +397,15 @@ static void ivch_mode_set(struct intel_dvo_device *dvo,
 			  struct drm_display_mode *mode,
 			  struct drm_display_mode *adjusted_mode)
 {
+	struct ivch_priv *priv = dvo->dev_priv;
 	uint16_t vr40 = 0;
 	uint16_t vr01 = 0;
 	uint16_t vr10;
 
-	ivch_read(dvo, VR10, &vr10);
+	ivch_reset(dvo);
+
+	vr10 = priv->reg_backup[ARRAY_SIZE(backup_addresses) - 1];
+
 	/* Enable dithering for 18 bpp pipelines */
 	vr10 &= VR10_INTERFACE_DEPTH_MASK;
 	if (vr10 == VR10_INTERFACE_2X18 || vr10 == VR10_INTERFACE_1X18)
@@ -366,7 +419,7 @@ static void ivch_mode_set(struct intel_dvo_device *dvo,
 		uint16_t x_ratio, y_ratio;
 
 		vr01 |= VR01_PANEL_FIT_ENABLE;
-		vr40 |= VR40_CLOCK_GATING_ENABLE | VR40_ENHANCED_PANEL_FITTING;
+		vr40 |= VR40_CLOCK_GATING_ENABLE;
 		x_ratio = (((mode->hdisplay - 1) << 16) /
 			   (adjusted_mode->hdisplay - 1)) >> 2;
 		y_ratio = (((mode->vdisplay - 1) << 16) /
@@ -381,8 +434,6 @@ static void ivch_mode_set(struct intel_dvo_device *dvo,
 
 	ivch_write(dvo, VR01, vr01);
 	ivch_write(dvo, VR40, vr40);
-
-	ivch_dump_regs(dvo);
 }
 
 static void ivch_dump_regs(struct intel_dvo_device *dvo)

drivers/gpu/drm/i915/i915_cmd_parser.c

@@ -131,7 +131,7 @@ static const struct drm_i915_cmd_descriptor common_cmds[] = {
 			.mask = MI_GLOBAL_GTT,
 			.expected = 0,
 	      }},						       ),
-	CMD(  MI_LOAD_REGISTER_MEM,             SMI,   !F,  0xFF,   W | B,
+	CMD(  MI_LOAD_REGISTER_MEM(1),             SMI,   !F,  0xFF,   W | B,
 	      .reg = { .offset = 1, .mask = 0x007FFFFC },
 	      .bits = {{
 			.offset = 0,
@@ -1021,7 +1021,7 @@ static bool check_cmd(const struct intel_engine_cs *ring,
 			 * only MI_LOAD_REGISTER_IMM commands.
 			 */
 			if (reg_addr == OACONTROL) {
-				if (desc->cmd.value == MI_LOAD_REGISTER_MEM) {
+				if (desc->cmd.value == MI_LOAD_REGISTER_MEM(1)) {
 					DRM_DEBUG_DRIVER("CMD: Rejected LRM to OACONTROL\n");
 					return false;
 				}
@@ -1035,7 +1035,7 @@ static bool check_cmd(const struct intel_engine_cs *ring,
 			 * allowed mask/value pair given in the whitelist entry.
 			 */
 			if (reg->mask) {
-				if (desc->cmd.value == MI_LOAD_REGISTER_MEM) {
+				if (desc->cmd.value == MI_LOAD_REGISTER_MEM(1)) {
 					DRM_DEBUG_DRIVER("CMD: Rejected LRM to masked register 0x%08X\n",
 							 reg_addr);
 					return false;