Merge tag 'drm-for-v4.12' of git://people.freedesktop.org/~airlied/linux

Pull drm u pdates from Dave Airlie:
 "This is the main drm pull request for v4.12. Apart from two fixes
  pulls, everything should have been in drm-next for at least 2 weeks.

  The biggest thing in here is AMD released the public headers for their
  upcoming VEGA GPUs. These as always are quite a sizeable chunk of
  header files. They've also added initial non-display support for those
  GPUs, though they aren't available in production yet.

  Otherwise it's pretty much normal.

  New bridge drivers:
   - megachips-stdpxxxx-ge-b850v3-fw LVDS->DP++
   - generic LVDS bridge support.

  Core:
   - Displayport link train failure reporting to userspace
   - debugfs interface cleaned up
   - subsystem TODO in kerneldoc now
   - Extended fbdev support (flipping and vblank wait)
   - drm_platform removed
   - EDP CRC support in helper
   - HF-VSDB SCDC support in EDID parser
   - Lots of code cleanups and header extraction
   - Thunderbolt external GPU awareness
   - Atomic helper improvements
   - Documentation improvements

  panel:
   - Sitronix and Samsung new panel support

  amdgpu:
   - Preliminary vega10 support
   - Multi-level page table support
   - GPU sensor support for userspace
   - PRT support for sparse buffers
   - SR-IOV improvements
   - Non-contig VRAM CPU mapping

  i915:
   - Atomic modesetting enabled by default on Gen5+
   - LSPCON improvements
   - Atomic state handling for cdclk
   - GPU reset improvements
   - In-kernel unit tests
   - Geminilake improvements and color manager support
   - Designware i2c fixes
   - vblank evasion improvements
   - Hotplug safe connector iterators
   - GVT scheduler QoS support
   - GVT Kabylake support

  nouveau:
   - Acceleration support for Pascal (GP10x).
   - Rearchitecture of code handling proprietary signed firmware
   - Fix GTX 970 with odd MMU configuration
   - GP10B support
   - GP107 acceleration support

  vmwgfx:
   - Atomic modesetting support for vmwgfx

  omapdrm:
   - Support for render nodes
   - Refactor omapdss code
   - Fix some probe ordering issues
   - Fix too dark RGB565 rendering

  sunxi:
   - prelim rework for multiple pipes.

  mali-dp:
   - Color management support
   - Plane scaling
   - Power management improvements

  imx-drm:
   - Prefetch Resolve Engine/Gasket on i.MX6QP
   - Deferred plane disabling
   - Separate alpha support

  mediatek:
   - Mediatek SoC MT2701 support

  rcar-du:
   - Gen3 HDMI support

  msm:
   - 4k support for newer chips
   - OPP bindings for gpu
   - prep work for per-process pagetables

  vc4:
   - HDMI audio support
   - fixes

  qxl:
   - minor fixes.

  dw-hdmi:
   - PHY improvements
   - CSC fixes
   - Amlogic GX SoC support"

* tag 'drm-for-v4.12' of git://people.freedesktop.org/~airlied/linux: (1778 commits)
  drm/nouveau/fb/gf100-: Fix 32 bit wraparound in new ram detection
  drm/nouveau/secboot/gm20b: fix the error return code in gm20b_secboot_tegra_read_wpr()
  drm/nouveau/kms: Increase max retries in scanout position queries.
  drm/nouveau/bios/bitP: check that table is long enough for optional pointers
  drm/nouveau/fifo/nv40: no ctxsw for pre-nv44 mpeg engine
  drm: mali-dp: use div_u64 for expensive 64-bit divisions
  drm/i915: Confirm the request is still active before adding it to the await
  drm/i915: Avoid busy-spinning on VLV_GLTC_PW_STATUS mmio
  drm/i915/selftests: Allocate inode/file dynamically
  drm/i915: Fix system hang with EI UP masked on Haswell
  drm/i915: checking for NULL instead of IS_ERR() in mock selftests
  drm/i915: Perform link quality check unconditionally during long pulse
  drm/i915: Fix use after free in lpe_audio_platdev_destroy()
  drm/i915: Use the right mapping_gfp_mask for final shmem allocation
  drm/i915: Make legacy cursor updates more unsynced
  drm/i915: Apply a cond_resched() to the saturated signaler
  drm/i915: Park the signaler before sleeping
  drm: mali-dp: Check the mclk rate and allow up/down scaling
  drm: mali-dp: Enable image enhancement when scaling
  drm: mali-dp: Add plane upscaling support
  ...

1 files changed, 17 insertions, 60 deletions

diff --git a/drivers/gpu/drm/omapdrm/dss/dss.c b/drivers/gpu/drm/omapdrm/dss/dss.c
index 14887d5b02e5..fa99ec72d832 100644
--- a/drivers/gpu/drm/omapdrm/dss/dss.c
+++ b/drivers/gpu/drm/omapdrm/dss/dss.c
@@ -38,6 +38,7 @@
 #include <linux/mfd/syscon.h>
 #include <linux/regmap.h>
 #include <linux/of.h>
+#include <linux/of_graph.h>
 #include <linux/regulator/consumer.h>
 #include <linux/suspend.h>
 #include <linux/component.h>
@@ -117,14 +118,6 @@ static const char * const dss_generic_clk_source_names[] = {
 	[DSS_CLK_SRC_HDMI_PLL]	= "HDMI PLL",
 };
 
-static bool dss_initialized;
-
-bool omapdss_is_initialized(void)
-{
-	return dss_initialized;
-}
-EXPORT_SYMBOL(omapdss_is_initialized);
-
 static inline void dss_write_reg(const struct dss_reg idx, u32 val)
 {
 	__raw_writel(val, dss.base + idx.idx);
@@ -1043,32 +1036,14 @@ static int dss_init_ports(struct platform_device *pdev)
 {
 	struct device_node *parent = pdev->dev.of_node;
 	struct device_node *port;
-	int r;
-
-	if (parent == NULL)
-		return 0;
-
-	port = omapdss_of_get_next_port(parent, NULL);
-	if (!port)
-		return 0;
-
-	if (dss.feat->num_ports == 0)
-		return 0;
-
-	do {
-		enum omap_display_type port_type;
-		u32 reg;
-
-		r = of_property_read_u32(port, "reg", &reg);
-		if (r)
-			reg = 0;
+	int i;
 
-		if (reg >= dss.feat->num_ports)
+	for (i = 0; i < dss.feat->num_ports; i++) {
+		port = of_graph_get_port_by_id(parent, i);
+		if (!port)
 			continue;
 
-		port_type = dss.feat->ports[reg];
-
-		switch (port_type) {
+		switch (dss.feat->ports[i]) {
 		case OMAP_DISPLAY_TYPE_DPI:
 			dpi_init_port(pdev, port);
 			break;
@@ -1078,7 +1053,7 @@ static int dss_init_ports(struct platform_device *pdev)
 		default:
 			break;
 		}
-	} while ((port = omapdss_of_get_next_port(parent, port)) != NULL);
+	}
 
 	return 0;
 }
@@ -1087,32 +1062,14 @@ static void dss_uninit_ports(struct platform_device *pdev)
 {
 	struct device_node *parent = pdev->dev.of_node;
 	struct device_node *port;
+	int i;
 
-	if (parent == NULL)
-		return;
-
-	port = omapdss_of_get_next_port(parent, NULL);
-	if (!port)
-		return;
-
-	if (dss.feat->num_ports == 0)
-		return;
-
-	do {
-		enum omap_display_type port_type;
-		u32 reg;
-		int r;
-
-		r = of_property_read_u32(port, "reg", &reg);
-		if (r)
-			reg = 0;
-
-		if (reg >= dss.feat->num_ports)
+	for (i = 0; i < dss.feat->num_ports; i++) {
+		port = of_graph_get_port_by_id(parent, i);
+		if (!port)
 			continue;
 
-		port_type = dss.feat->ports[reg];
-
-		switch (port_type) {
+		switch (dss.feat->ports[i]) {
 		case OMAP_DISPLAY_TYPE_DPI:
 			dpi_uninit_port(port);
 			break;
@@ -1122,7 +1079,7 @@ static void dss_uninit_ports(struct platform_device *pdev)
 		default:
 			break;
 		}
-	} while ((port = omapdss_of_get_next_port(parent, port)) != NULL);
+	}
 }
 
 static int dss_video_pll_probe(struct platform_device *pdev)
@@ -1254,8 +1211,7 @@ static int dss_bind(struct device *dev)
 	dss.lcd_clk_source[1] = DSS_CLK_SRC_FCK;
 
 	rev = dss_read_reg(DSS_REVISION);
-	printk(KERN_INFO "OMAP DSS rev %d.%d\n",
-			FLD_GET(rev, 7, 4), FLD_GET(rev, 3, 0));
+	pr_info("OMAP DSS rev %d.%d\n", FLD_GET(rev, 7, 4), FLD_GET(rev, 3, 0));
 
 	dss_runtime_put();
 
@@ -1267,7 +1223,8 @@ static int dss_bind(struct device *dev)
 
 	pm_set_vt_switch(0);
 
-	dss_initialized = true;
+	omapdss_gather_components(dev);
+	omapdss_set_is_initialized(true);
 
 	return 0;
 
@@ -1291,7 +1248,7 @@ static void dss_unbind(struct device *dev)
 {
 	struct platform_device *pdev = to_platform_device(dev);
 
-	dss_initialized = false;
+	omapdss_set_is_initialized(false);
 
 	component_unbind_all(&pdev->dev, NULL);