Merge remote-tracking branch 'pfdo/drm-rcar-for-v3.12' into drm-next

Merge the rcar stable branch that is being shared with the arm-soc tree.

Signed-off-by: Dave Airlie <airlied@redhat.com>
* pfdo/drm-rcar-for-v3.12: (220 commits)
  drm/rcar-du: Add FBDEV emulation support
  drm/rcar-du: Add internal LVDS encoder support
  drm/rcar-du: Configure RGB output routing to DPAD0
  drm/rcar-du: Rework output routing support
  drm/rcar-du: Add support for DEFR8 register
  drm/rcar-du: Add support for multiple groups
  drm/rcar-du: Fix buffer pitch alignment for R8A7790 DU
  drm/rcar-du: Add support for the R8A7790 DU
  drm/rcar-du: Move output routing configuration to group
  drm/rcar-du: Remove register definitions for the second channel
  drm/rcar-du: Use dynamic number of CRTCs instead of CRTCs array size
  drm/rcar-du: Introduce CRTCs groups
  drm/rcar-du: Rename rcar_du_plane_(init|register) to rcar_du_planes_*
  drm/rcar-du: Create rcar_du_planes structure
  drm/rcar-du: Rename platform data fields to match what they describe
  drm/rcar-du: Merge LVDS and VGA encoder code
  drm/rcar-du: Split VGA encoder and connector
  drm/rcar-du: Split LVDS encoder and connector
  drm/rcar-du: Clarify comment regarding plane Y source coordinate
  drm/rcar-du: Support per-CRTC clock and IRQ
  ...

Conflicts:
	drivers/gpu/drm/i915/i915_dma.c
	drivers/gpu/drm/i915/intel_pm.c
	drivers/gpu/drm/qxl/qxl_release.c

1 files changed, 71 insertions, 102 deletions

diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.c b/drivers/gpu/drm/rcar-du/rcar_du_drv.c
index 5069d9c234bb..0a9f1bb88337 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_drv.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.c
@@ -21,6 +21,7 @@
 
 #include <drm/drmP.h>
 #include <drm/drm_crtc_helper.h>
+#include <drm/drm_fb_cma_helper.h>
 #include <drm/drm_gem_cma_helper.h>
 
 #include "rcar_du_crtc.h"
@@ -29,74 +30,21 @@
 #include "rcar_du_regs.h"
 
 /* -----------------------------------------------------------------------------
- * Core device operations
- */
-
-/*
- * rcar_du_get - Acquire a reference to the DU
- *
- * Acquiring a reference enables the device clock and setup core registers. A
- * reference must be held before accessing any hardware registers.
- *
- * This function must be called with the DRM mode_config lock held.
- *
- * Return 0 in case of success or a negative error code otherwise.
- */
-int rcar_du_get(struct rcar_du_device *rcdu)
-{
-	int ret;
-
-	if (rcdu->use_count)
-		goto done;
-
-	/* Enable clocks before accessing the hardware. */
-	ret = clk_prepare_enable(rcdu->clock);
-	if (ret < 0)
-		return ret;
-
-	/* Enable extended features */
-	rcar_du_write(rcdu, DEFR, DEFR_CODE | DEFR_DEFE);
-	rcar_du_write(rcdu, DEFR2, DEFR2_CODE | DEFR2_DEFE2G);
-	rcar_du_write(rcdu, DEFR3, DEFR3_CODE | DEFR3_DEFE3);
-	rcar_du_write(rcdu, DEFR4, DEFR4_CODE);
-	rcar_du_write(rcdu, DEFR5, DEFR5_CODE | DEFR5_DEFE5);
-
-	/* Use DS1PR and DS2PR to configure planes priorities and connects the
-	 * superposition 0 to DU0 pins. DU1 pins will be configured dynamically.
-	 */
-	rcar_du_write(rcdu, DORCR, DORCR_PG1D_DS1 | DORCR_DPRS);
-
-done:
-	rcdu->use_count++;
-	return 0;
-}
-
-/*
- * rcar_du_put - Release a reference to the DU
- *
- * Releasing the last reference disables the device clock.
- *
- * This function must be called with the DRM mode_config lock held.
- */
-void rcar_du_put(struct rcar_du_device *rcdu)
-{
-	if (--rcdu->use_count)
-		return;
-
-	clk_disable_unprepare(rcdu->clock);
-}
-
-/* -----------------------------------------------------------------------------
  * DRM operations
  */
 
 static int rcar_du_unload(struct drm_device *dev)
 {
+	struct rcar_du_device *rcdu = dev->dev_private;
+
+	if (rcdu->fbdev)
+		drm_fbdev_cma_fini(rcdu->fbdev);
+
 	drm_kms_helper_poll_fini(dev);
 	drm_mode_config_cleanup(dev);
 	drm_vblank_cleanup(dev);
-	drm_irq_uninstall(dev);
 
+	dev->irq_enabled = 0;
 	dev->dev_private = NULL;
 
 	return 0;
@@ -107,7 +55,6 @@ static int rcar_du_load(struct drm_device *dev, unsigned long flags)
 	struct platform_device *pdev = dev->platformdev;
 	struct rcar_du_platform_data *pdata = pdev->dev.platform_data;
 	struct rcar_du_device *rcdu;
-	struct resource *ioarea;
 	struct resource *mem;
 	int ret;
 
@@ -124,35 +71,15 @@ static int rcar_du_load(struct drm_device *dev, unsigned long flags)
 
 	rcdu->dev = &pdev->dev;
 	rcdu->pdata = pdata;
+	rcdu->info = (struct rcar_du_device_info *)pdev->id_entry->driver_data;
 	rcdu->ddev = dev;
 	dev->dev_private = rcdu;
 
-	/* I/O resources and clocks */
+	/* I/O resources */
 	mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (mem == NULL) {
-		dev_err(&pdev->dev, "failed to get memory resource\n");
-		return -EINVAL;
-	}
-
-	ioarea = devm_request_mem_region(&pdev->dev, mem->start,
-					 resource_size(mem), pdev->name);
-	if (ioarea == NULL) {
-		dev_err(&pdev->dev, "failed to request memory region\n");
-		return -EBUSY;
-	}
-
-	rcdu->mmio = devm_ioremap_nocache(&pdev->dev, ioarea->start,
-					  resource_size(ioarea));
-	if (rcdu->mmio == NULL) {
-		dev_err(&pdev->dev, "failed to remap memory resource\n");
-		return -ENOMEM;
-	}
-
-	rcdu->clock = devm_clk_get(&pdev->dev, NULL);
-	if (IS_ERR(rcdu->clock)) {
-		dev_err(&pdev->dev, "failed to get clock\n");
-		return -ENOENT;
-	}
+	rcdu->mmio = devm_ioremap_resource(&pdev->dev, mem);
+	if (IS_ERR(rcdu->mmio))
+		return PTR_ERR(rcdu->mmio);
 
 	/* DRM/KMS objects */
 	ret = rcar_du_modeset_init(rcdu);
@@ -161,18 +88,14 @@ static int rcar_du_load(struct drm_device *dev, unsigned long flags)
 		goto done;
 	}
 
-	/* IRQ and vblank handling */
+	/* vblank handling */
 	ret = drm_vblank_init(dev, (1 << rcdu->num_crtcs) - 1);
 	if (ret < 0) {
 		dev_err(&pdev->dev, "failed to initialize vblank\n");
 		goto done;
 	}
 
-	ret = drm_irq_install(dev);
-	if (ret < 0) {
-		dev_err(&pdev->dev, "failed to install IRQ handler\n");
-		goto done;
-	}
+	dev->irq_enabled = 1;
 
 	platform_set_drvdata(pdev, rcdu);
 
@@ -188,20 +111,15 @@ static void rcar_du_preclose(struct drm_device *dev, struct drm_file *file)
 	struct rcar_du_device *rcdu = dev->dev_private;
 	unsigned int i;
 
-	for (i = 0; i < ARRAY_SIZE(rcdu->crtcs); ++i)
+	for (i = 0; i < rcdu->num_crtcs; ++i)
 		rcar_du_crtc_cancel_page_flip(&rcdu->crtcs[i], file);
 }
 
-static irqreturn_t rcar_du_irq(int irq, void *arg)
+static void rcar_du_lastclose(struct drm_device *dev)
 {
-	struct drm_device *dev = arg;
 	struct rcar_du_device *rcdu = dev->dev_private;
-	unsigned int i;
-
-	for (i = 0; i < ARRAY_SIZE(rcdu->crtcs); ++i)
-		rcar_du_crtc_irq(&rcdu->crtcs[i]);
 
-	return IRQ_HANDLED;
+	drm_fbdev_cma_restore_mode(rcdu->fbdev);
 }
 
 static int rcar_du_enable_vblank(struct drm_device *dev, int crtc)
@@ -236,12 +154,11 @@ static const struct file_operations rcar_du_fops = {
 };
 
 static struct drm_driver rcar_du_driver = {
-	.driver_features	= DRIVER_HAVE_IRQ | DRIVER_GEM | DRIVER_MODESET
-				| DRIVER_PRIME,
+	.driver_features	= DRIVER_GEM | DRIVER_MODESET | DRIVER_PRIME,
 	.load			= rcar_du_load,
 	.unload			= rcar_du_unload,
 	.preclose		= rcar_du_preclose,
-	.irq_handler		= rcar_du_irq,
+	.lastclose		= rcar_du_lastclose,
 	.get_vblank_counter	= drm_vblank_count,
 	.enable_vblank		= rcar_du_enable_vblank,
 	.disable_vblank		= rcar_du_disable_vblank,
@@ -313,6 +230,57 @@ static int rcar_du_remove(struct platform_device *pdev)
 	return 0;
 }
 
+static const struct rcar_du_device_info rcar_du_r8a7779_info = {
+	.features = 0,
+	.num_crtcs = 2,
+	.routes = {
+		/* R8A7779 has two RGB outputs and one (currently unsupported)
+		 * TCON output.
+		 */
+		[RCAR_DU_OUTPUT_DPAD0] = {
+			.possible_crtcs = BIT(0),
+			.encoder_type = DRM_MODE_ENCODER_NONE,
+		},
+		[RCAR_DU_OUTPUT_DPAD1] = {
+			.possible_crtcs = BIT(1) | BIT(0),
+			.encoder_type = DRM_MODE_ENCODER_NONE,
+		},
+	},
+	.num_lvds = 0,
+};
+
+static const struct rcar_du_device_info rcar_du_r8a7790_info = {
+	.features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK | RCAR_DU_FEATURE_ALIGN_128B
+		  | RCAR_DU_FEATURE_DEFR8,
+	.num_crtcs = 3,
+	.routes = {
+		/* R8A7790 has one RGB output, two LVDS outputs and one
+		 * (currently unsupported) TCON output.
+		 */
+		[RCAR_DU_OUTPUT_DPAD0] = {
+			.possible_crtcs = BIT(2) | BIT(1) | BIT(0),
+			.encoder_type = DRM_MODE_ENCODER_NONE,
+		},
+		[RCAR_DU_OUTPUT_LVDS0] = {
+			.possible_crtcs = BIT(0),
+			.encoder_type = DRM_MODE_ENCODER_LVDS,
+		},
+		[RCAR_DU_OUTPUT_LVDS1] = {
+			.possible_crtcs = BIT(2) | BIT(1),
+			.encoder_type = DRM_MODE_ENCODER_LVDS,
+		},
+	},
+	.num_lvds = 2,
+};
+
+static const struct platform_device_id rcar_du_id_table[] = {
+	{ "rcar-du-r8a7779", (kernel_ulong_t)&rcar_du_r8a7779_info },
+	{ "rcar-du-r8a7790", (kernel_ulong_t)&rcar_du_r8a7790_info },
+	{ }
+};
+
+MODULE_DEVICE_TABLE(platform, rcar_du_id_table);
+
 static struct platform_driver rcar_du_platform_driver = {
 	.probe		= rcar_du_probe,
 	.remove		= rcar_du_remove,
@@ -321,6 +289,7 @@ static struct platform_driver rcar_du_platform_driver = {
 		.name	= "rcar-du",
 		.pm	= &rcar_du_pm_ops,
 	},
+	.id_table	= rcar_du_id_table,
 };
 
 module_platform_driver(rcar_du_platform_driver);