Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux

Pull drm updates from Dave Airlie:
 "This is the main pull request for the drm for 4.3.  Nouveau is
  probably the biggest amount of changes in here, since it missed 4.2.
  Highlights below, along with the usual bunch of fixes.

  All stuff outside drm should have applicable acks.

  Highlights:

   - new drivers:
        freescale dcu kms driver

   - core:
        more atomic fixes
        disable some dri1 interfaces on kms drivers
        drop fb panic handling, this was just getting more broken, as more locking was required.
        new core fbdev Kconfig support - instead of each driver enable/disabling it
        struct_mutex cleanups

   - panel:
        more new panels
        cleanup Kconfig

   - i915:
        Skylake support enabled by default
        legacy modesetting using atomic infrastructure
        Skylake fixes
        GEN9 workarounds

   - amdgpu:
        Fiji support
        CGS support for amdgpu
        Initial GPU scheduler - off by default
        Lots of bug fixes and optimisations.

   - radeon:
        DP fixes
        misc fixes

   - amdkfd:
        Add Carrizo support for amdkfd using amdgpu.

   - nouveau:
        long pending cleanup to complete driver,
        fully bisectable which makes it larger,
        perfmon work
        more reclocking improvements
        maxwell displayport fixes

   - vmwgfx:
        new DX device support, supports OpenGL 3.3
        screen targets support

   - mgag200:
        G200eW support
        G200e new revision support

   - msm:
        dragonboard 410c support, msm8x94 support, msm8x74v1 support
        yuv format support
        dma plane support
        mdp5 rotation
        initial hdcp

   - sti:
        atomic support

   - exynos:
        lots of cleanups
        atomic modesetting/pageflipping support
        render node support

   - tegra:
        tegra210 support (dc, dsi, dp/hdmi)
        dpms with atomic modesetting support

   - atmel:
        support for 3 more atmel SoCs
        new input formats, PRIME support.

   - dwhdmi:
        preparing to add audio support

   - rockchip:
        yuv plane support"

* 'drm-next' of git://people.freedesktop.org/~airlied/linux: (1369 commits)
  drm/amdgpu: rename gmc_v8_0_init_compute_vmid
  drm/amdgpu: fix vce3 instance handling
  drm/amdgpu: remove ib test for the second VCE Ring
  drm/amdgpu: properly enable VM fault interrupts
  drm/amdgpu: fix warning in scheduler
  drm/amdgpu: fix buffer placement under memory pressure
  drm/amdgpu/cz: fix cz_dpm_update_low_memory_pstate logic
  drm/amdgpu: fix typo in dce11 watermark setup
  drm/amdgpu: fix typo in dce10 watermark setup
  drm/amdgpu: use top down allocation for non-CPU accessible vram
  drm/amdgpu: be explicit about cpu vram access for driver BOs (v2)
  drm/amdgpu: set MEC doorbell range for Fiji
  drm/amdgpu: implement burst NOP for SDMA
  drm/amdgpu: add insert_nop ring func and default implementation
  drm/amdgpu: add amdgpu_get_sdma_instance helper function
  drm/amdgpu: add AMDGPU_MAX_SDMA_INSTANCES
  drm/amdgpu: add burst_nop flag for sdma
  drm/amdgpu: add count field for the SDMA NOP packet v2
  drm/amdgpu: use PT for VM sync on unmap
  drm/amdgpu: make wait_event uninterruptible in push_job
  ...

1 files changed, 298 insertions, 0 deletions

diff --git a/drivers/gpu/drm/panel/panel-lg-lg4573.c b/drivers/gpu/drm/panel/panel-lg-lg4573.c
new file mode 100644
index 000000000000..a7b4939cee6d
--- /dev/null
+++ b/drivers/gpu/drm/panel/panel-lg-lg4573.c
@@ -0,0 +1,298 @@
+/*
+ * Copyright (C) 2015 Heiko Schocher <hs@denx.de>
+ *
+ * from:
+ * drivers/gpu/drm/panel/panel-ld9040.c
+ * ld9040 AMOLED LCD drm_panel driver.
+ *
+ * Copyright (c) 2014 Samsung Electronics Co., Ltd
+ * Derived from drivers/video/backlight/ld9040.c
+ *
+ * Andrzej Hajda <a.hajda@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include <drm/drmP.h>
+#include <drm/drm_panel.h>
+
+#include <linux/gpio/consumer.h>
+#include <linux/regulator/consumer.h>
+#include <linux/spi/spi.h>
+
+#include <video/mipi_display.h>
+#include <video/of_videomode.h>
+#include <video/videomode.h>
+
+struct lg4573 {
+	struct drm_panel panel;
+	struct spi_device *spi;
+	struct videomode vm;
+};
+
+static inline struct lg4573 *panel_to_lg4573(struct drm_panel *panel)
+{
+	return container_of(panel, struct lg4573, panel);
+}
+
+static int lg4573_spi_write_u16(struct lg4573 *ctx, u16 data)
+{
+	struct spi_transfer xfer = {
+		.len = 2,
+	};
+	u16 temp = cpu_to_be16(data);
+	struct spi_message msg;
+
+	dev_dbg(ctx->panel.dev, "writing data: %x\n", data);
+	xfer.tx_buf = &temp;
+	spi_message_init(&msg);
+	spi_message_add_tail(&xfer, &msg);
+
+	return spi_sync(ctx->spi, &msg);
+}
+
+static int lg4573_spi_write_u16_array(struct lg4573 *ctx, const u16 *buffer,
+				      unsigned int count)
+{
+	unsigned int i;
+	int ret;
+
+	for (i = 0; i < count; i++) {
+		ret = lg4573_spi_write_u16(ctx, buffer[i]);
+		if (ret)
+			return ret;
+	}
+
+	return 0;
+}
+
+static int lg4573_spi_write_dcs(struct lg4573 *ctx, u8 dcs)
+{
+	return lg4573_spi_write_u16(ctx, (0x70 << 8 | dcs));
+}
+
+static int lg4573_display_on(struct lg4573 *ctx)
+{
+	int ret;
+
+	ret = lg4573_spi_write_dcs(ctx, MIPI_DCS_EXIT_SLEEP_MODE);
+	if (ret)
+		return ret;
+
+	msleep(5);
+
+	return lg4573_spi_write_dcs(ctx, MIPI_DCS_SET_DISPLAY_ON);
+}
+
+static int lg4573_display_off(struct lg4573 *ctx)
+{
+	int ret;
+
+	ret = lg4573_spi_write_dcs(ctx, MIPI_DCS_SET_DISPLAY_OFF);
+	if (ret)
+		return ret;
+
+	msleep(120);
+
+	return lg4573_spi_write_dcs(ctx, MIPI_DCS_ENTER_SLEEP_MODE);
+}
+
+static int lg4573_display_mode_settings(struct lg4573 *ctx)
+{
+	static const u16 display_mode_settings[] = {
+		0x703A, 0x7270, 0x70B1, 0x7208,
+		0x723B, 0x720F, 0x70B2, 0x7200,
+		0x72C8, 0x70B3, 0x7200, 0x70B4,
+		0x7200, 0x70B5, 0x7242, 0x7210,
+		0x7210, 0x7200, 0x7220, 0x70B6,
+		0x720B, 0x720F, 0x723C, 0x7213,
+		0x7213, 0x72E8, 0x70B7, 0x7246,
+		0x7206, 0x720C, 0x7200, 0x7200,
+	};
+
+	dev_dbg(ctx->panel.dev, "transfer display mode settings\n");
+	return lg4573_spi_write_u16_array(ctx, display_mode_settings,
+					  ARRAY_SIZE(display_mode_settings));
+}
+
+static int lg4573_power_settings(struct lg4573 *ctx)
+{
+	static const u16 power_settings[] = {
+		0x70C0, 0x7201, 0x7211, 0x70C3,
+		0x7207, 0x7203, 0x7204, 0x7204,
+		0x7204, 0x70C4, 0x7212, 0x7224,
+		0x7218, 0x7218, 0x7202, 0x7249,
+		0x70C5, 0x726F, 0x70C6, 0x7241,
+		0x7263,
+	};
+
+	dev_dbg(ctx->panel.dev, "transfer power settings\n");
+	return lg4573_spi_write_u16_array(ctx, power_settings,
+					  ARRAY_SIZE(power_settings));
+}
+
+static int lg4573_gamma_settings(struct lg4573 *ctx)
+{
+	static const u16 gamma_settings[] = {
+		0x70D0, 0x7203, 0x7207, 0x7273,
+		0x7235, 0x7200, 0x7201, 0x7220,
+		0x7200, 0x7203, 0x70D1, 0x7203,
+		0x7207, 0x7273, 0x7235, 0x7200,
+		0x7201, 0x7220, 0x7200, 0x7203,
+		0x70D2, 0x7203, 0x7207, 0x7273,
+		0x7235, 0x7200, 0x7201, 0x7220,
+		0x7200, 0x7203, 0x70D3, 0x7203,
+		0x7207, 0x7273, 0x7235, 0x7200,
+		0x7201, 0x7220, 0x7200, 0x7203,
+		0x70D4, 0x7203, 0x7207, 0x7273,
+		0x7235, 0x7200, 0x7201, 0x7220,
+		0x7200, 0x7203, 0x70D5, 0x7203,
+		0x7207, 0x7273, 0x7235, 0x7200,
+		0x7201, 0x7220, 0x7200, 0x7203,
+	};
+
+	dev_dbg(ctx->panel.dev, "transfer gamma settings\n");
+	return lg4573_spi_write_u16_array(ctx, gamma_settings,
+					  ARRAY_SIZE(gamma_settings));
+}
+
+static int lg4573_init(struct lg4573 *ctx)
+{
+	int ret;
+
+	dev_dbg(ctx->panel.dev, "initializing LCD\n");
+
+	ret = lg4573_display_mode_settings(ctx);
+	if (ret)
+		return ret;
+
+	ret = lg4573_power_settings(ctx);
+	if (ret)
+		return ret;
+
+	return lg4573_gamma_settings(ctx);
+}
+
+static int lg4573_power_on(struct lg4573 *ctx)
+{
+	return lg4573_display_on(ctx);
+}
+
+static int lg4573_disable(struct drm_panel *panel)
+{
+	struct lg4573 *ctx = panel_to_lg4573(panel);
+
+	return lg4573_display_off(ctx);
+}
+
+static int lg4573_enable(struct drm_panel *panel)
+{
+	struct lg4573 *ctx = panel_to_lg4573(panel);
+
+	lg4573_init(ctx);
+
+	return lg4573_power_on(ctx);
+}
+
+static const struct drm_display_mode default_mode = {
+	.clock = 27000,
+	.hdisplay = 480,
+	.hsync_start = 480 + 10,
+	.hsync_end = 480 + 10 + 59,
+	.htotal = 480 + 10 + 59 + 10,
+	.vdisplay = 800,
+	.vsync_start = 800 + 15,
+	.vsync_end = 800 + 15 + 15,
+	.vtotal = 800 + 15 + 15 + 15,
+	.vrefresh = 60,
+};
+
+static int lg4573_get_modes(struct drm_panel *panel)
+{
+	struct drm_connector *connector = panel->connector;
+	struct drm_display_mode *mode;
+
+	mode = drm_mode_duplicate(panel->drm, &default_mode);
+	if (!mode) {
+		dev_err(panel->drm->dev, "failed to add mode %ux%ux@%u\n",
+			default_mode.hdisplay, default_mode.vdisplay,
+			default_mode.vrefresh);
+		return -ENOMEM;
+	}
+
+	drm_mode_set_name(mode);
+
+	mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
+	drm_mode_probed_add(connector, mode);
+
+	panel->connector->display_info.width_mm = 61;
+	panel->connector->display_info.height_mm = 103;
+
+	return 1;
+}
+
+static const struct drm_panel_funcs lg4573_drm_funcs = {
+	.disable = lg4573_disable,
+	.enable = lg4573_enable,
+	.get_modes = lg4573_get_modes,
+};
+
+static int lg4573_probe(struct spi_device *spi)
+{
+	struct lg4573 *ctx;
+	int ret;
+
+	ctx = devm_kzalloc(&spi->dev, sizeof(*ctx), GFP_KERNEL);
+	if (!ctx)
+		return -ENOMEM;
+
+	ctx->spi = spi;
+
+	spi_set_drvdata(spi, ctx);
+	spi->bits_per_word = 8;
+
+	ret = spi_setup(spi);
+	if (ret < 0) {
+		dev_err(&spi->dev, "SPI setup failed: %d\n", ret);
+		return ret;
+	}
+
+	drm_panel_init(&ctx->panel);
+	ctx->panel.dev = &spi->dev;
+	ctx->panel.funcs = &lg4573_drm_funcs;
+
+	return drm_panel_add(&ctx->panel);
+}
+
+static int lg4573_remove(struct spi_device *spi)
+{
+	struct lg4573 *ctx = spi_get_drvdata(spi);
+
+	lg4573_display_off(ctx);
+	drm_panel_remove(&ctx->panel);
+
+	return 0;
+}
+
+static const struct of_device_id lg4573_of_match[] = {
+	{ .compatible = "lg,lg4573" },
+	{ }
+};
+MODULE_DEVICE_TABLE(of, lg4573_of_match);
+
+static struct spi_driver lg4573_driver = {
+	.probe = lg4573_probe,
+	.remove = lg4573_remove,
+	.driver = {
+		.name = "lg4573",
+		.owner = THIS_MODULE,
+		.of_match_table = lg4573_of_match,
+	},
+};
+module_spi_driver(lg4573_driver);
+
+MODULE_AUTHOR("Heiko Schocher <hs@denx.de>");
+MODULE_DESCRIPTION("lg4573 LCD Driver");
+MODULE_LICENSE("GPL v2");