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

* 'drm-core-next' of git://people.freedesktop.org/~airlied/linux: (290 commits)
  Revert "drm/ttm: add a way to bo_wait for either the last read or last write"
  Revert "drm/radeon/kms: add a new gem_wait ioctl with read/write flags"
  vmwgfx: Don't pass unused arguments to do_dirty functions
  vmwgfx: Emulate depth 32 framebuffers
  drm/radeon: Lower the severity of the radeon lockup messages.
  drm/i915/dp: Fix eDP on PCH DP on CPT/PPT
  drm/i915/dp: Introduce is_cpu_edp()
  drm/i915: use correct SPD type value
  drm/i915: fix ILK+ infoframe support
  drm/i915: add DP test request handling
  drm/i915: read full receiver capability field during DP hot plug
  drm/i915/dp: Remove eDP special cases from bandwidth checks
  drm/i915/dp: Fix the math in intel_dp_link_required
  drm/i915/panel: Always record the backlight level again (but cleverly)
  i915: Move i915_read/write out of line
  drm/i915: remove transcoder PLL mashing from mode_set per specs
  drm/i915: if transcoder disable fails, say which
  drm/i915: set watermarks for third pipe on IVB
  drm/i915: export a CPT mode set verification function
  drm/i915: fix transcoder PLL select masking
  ...

1 files changed, 271 insertions, 0 deletions

diff --git a/drivers/gpu/drm/exynos/exynos_drm_encoder.c b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
new file mode 100644
index 000000000000..7cf6fa86a67e
--- /dev/null
+++ b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
@@ -0,0 +1,271 @@
+/* exynos_drm_encoder.c
+ *
+ * Copyright (c) 2011 Samsung Electronics Co., Ltd.
+ * Authors:
+ *	Inki Dae <inki.dae@samsung.com>
+ *	Joonyoung Shim <jy0922.shim@samsung.com>
+ *	Seung-Woo Kim <sw0312.kim@samsung.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include "drmP.h"
+#include "drm_crtc_helper.h"
+
+#include "exynos_drm_drv.h"
+#include "exynos_drm_crtc.h"
+#include "exynos_drm_encoder.h"
+
+#define to_exynos_encoder(x)	container_of(x, struct exynos_drm_encoder,\
+				drm_encoder)
+
+/*
+ * exynos specific encoder structure.
+ *
+ * @drm_encoder: encoder object.
+ * @manager: specific encoder has its own manager to control a hardware
+ *	appropriately and we can access a hardware drawing on this manager.
+ */
+struct exynos_drm_encoder {
+	struct drm_encoder		drm_encoder;
+	struct exynos_drm_manager	*manager;
+};
+
+static void exynos_drm_encoder_dpms(struct drm_encoder *encoder, int mode)
+{
+	struct drm_device *dev = encoder->dev;
+	struct drm_connector *connector;
+	struct exynos_drm_manager *manager = exynos_drm_get_manager(encoder);
+
+	DRM_DEBUG_KMS("%s, encoder dpms: %d\n", __FILE__, mode);
+
+	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
+		if (connector->encoder == encoder) {
+			struct exynos_drm_display *display = manager->display;
+
+			if (display && display->power_on)
+				display->power_on(manager->dev, mode);
+		}
+	}
+}
+
+static bool
+exynos_drm_encoder_mode_fixup(struct drm_encoder *encoder,
+			       struct drm_display_mode *mode,
+			       struct drm_display_mode *adjusted_mode)
+{
+	DRM_DEBUG_KMS("%s\n", __FILE__);
+
+	/* drm framework doesn't check NULL. */
+
+	return true;
+}
+
+static void exynos_drm_encoder_mode_set(struct drm_encoder *encoder,
+					 struct drm_display_mode *mode,
+					 struct drm_display_mode *adjusted_mode)
+{
+	struct drm_device *dev = encoder->dev;
+	struct drm_connector *connector;
+	struct exynos_drm_manager *manager = exynos_drm_get_manager(encoder);
+	struct exynos_drm_manager_ops *manager_ops = manager->ops;
+	struct exynos_drm_overlay_ops *overlay_ops = manager->overlay_ops;
+	struct exynos_drm_overlay *overlay = get_exynos_drm_overlay(dev,
+						encoder->crtc);
+
+	DRM_DEBUG_KMS("%s\n", __FILE__);
+
+	mode = adjusted_mode;
+
+	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
+		if (connector->encoder == encoder) {
+			if (manager_ops && manager_ops->mode_set)
+				manager_ops->mode_set(manager->dev, mode);
+
+			if (overlay_ops && overlay_ops->mode_set)
+				overlay_ops->mode_set(manager->dev, overlay);
+		}
+	}
+}
+
+static void exynos_drm_encoder_prepare(struct drm_encoder *encoder)
+{
+	DRM_DEBUG_KMS("%s\n", __FILE__);
+
+	/* drm framework doesn't check NULL. */
+}
+
+static void exynos_drm_encoder_commit(struct drm_encoder *encoder)
+{
+	struct exynos_drm_manager *manager = exynos_drm_get_manager(encoder);
+	struct exynos_drm_manager_ops *manager_ops = manager->ops;
+	struct exynos_drm_overlay_ops *overlay_ops = manager->overlay_ops;
+
+	DRM_DEBUG_KMS("%s\n", __FILE__);
+
+	if (manager_ops && manager_ops->commit)
+		manager_ops->commit(manager->dev);
+
+	if (overlay_ops && overlay_ops->commit)
+		overlay_ops->commit(manager->dev);
+}
+
+static struct drm_crtc *
+exynos_drm_encoder_get_crtc(struct drm_encoder *encoder)
+{
+	return encoder->crtc;
+}
+
+static struct drm_encoder_helper_funcs exynos_encoder_helper_funcs = {
+	.dpms		= exynos_drm_encoder_dpms,
+	.mode_fixup	= exynos_drm_encoder_mode_fixup,
+	.mode_set	= exynos_drm_encoder_mode_set,
+	.prepare	= exynos_drm_encoder_prepare,
+	.commit		= exynos_drm_encoder_commit,
+	.get_crtc	= exynos_drm_encoder_get_crtc,
+};
+
+static void exynos_drm_encoder_destroy(struct drm_encoder *encoder)
+{
+	struct exynos_drm_encoder *exynos_encoder =
+		to_exynos_encoder(encoder);
+
+	DRM_DEBUG_KMS("%s\n", __FILE__);
+
+	exynos_encoder->manager->pipe = -1;
+
+	drm_encoder_cleanup(encoder);
+	encoder->dev->mode_config.num_encoder--;
+	kfree(exynos_encoder);
+}
+
+static struct drm_encoder_funcs exynos_encoder_funcs = {
+	.destroy = exynos_drm_encoder_destroy,
+};
+
+struct drm_encoder *
+exynos_drm_encoder_create(struct drm_device *dev,
+			   struct exynos_drm_manager *manager,
+			   unsigned int possible_crtcs)
+{
+	struct drm_encoder *encoder;
+	struct exynos_drm_encoder *exynos_encoder;
+
+	DRM_DEBUG_KMS("%s\n", __FILE__);
+
+	if (!manager || !possible_crtcs)
+		return NULL;
+
+	if (!manager->dev)
+		return NULL;
+
+	exynos_encoder = kzalloc(sizeof(*exynos_encoder), GFP_KERNEL);
+	if (!exynos_encoder) {
+		DRM_ERROR("failed to allocate encoder\n");
+		return NULL;
+	}
+
+	exynos_encoder->manager = manager;
+	encoder = &exynos_encoder->drm_encoder;
+	encoder->possible_crtcs = possible_crtcs;
+
+	DRM_DEBUG_KMS("possible_crtcs = 0x%x\n", encoder->possible_crtcs);
+
+	drm_encoder_init(dev, encoder, &exynos_encoder_funcs,
+			DRM_MODE_ENCODER_TMDS);
+
+	drm_encoder_helper_add(encoder, &exynos_encoder_helper_funcs);
+
+	DRM_DEBUG_KMS("encoder has been created\n");
+
+	return encoder;
+}
+
+struct exynos_drm_manager *exynos_drm_get_manager(struct drm_encoder *encoder)
+{
+	return to_exynos_encoder(encoder)->manager;
+}
+
+void exynos_drm_fn_encoder(struct drm_crtc *crtc, void *data,
+			    void (*fn)(struct drm_encoder *, void *))
+{
+	struct drm_device *dev = crtc->dev;
+	struct drm_encoder *encoder;
+
+	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
+		if (encoder->crtc != crtc)
+			continue;
+
+		fn(encoder, data);
+	}
+}
+
+void exynos_drm_enable_vblank(struct drm_encoder *encoder, void *data)
+{
+	struct exynos_drm_manager *manager =
+		to_exynos_encoder(encoder)->manager;
+	struct exynos_drm_manager_ops *manager_ops = manager->ops;
+	int crtc = *(int *)data;
+
+	if (manager->pipe == -1)
+		manager->pipe = crtc;
+
+	if (manager_ops->enable_vblank)
+		manager_ops->enable_vblank(manager->dev);
+}
+
+void exynos_drm_disable_vblank(struct drm_encoder *encoder, void *data)
+{
+	struct exynos_drm_manager *manager =
+		to_exynos_encoder(encoder)->manager;
+	struct exynos_drm_manager_ops *manager_ops = manager->ops;
+	int crtc = *(int *)data;
+
+	if (manager->pipe == -1)
+		manager->pipe = crtc;
+
+	if (manager_ops->disable_vblank)
+		manager_ops->disable_vblank(manager->dev);
+}
+
+void exynos_drm_encoder_crtc_commit(struct drm_encoder *encoder, void *data)
+{
+	struct exynos_drm_manager *manager =
+		to_exynos_encoder(encoder)->manager;
+	struct exynos_drm_overlay_ops *overlay_ops = manager->overlay_ops;
+
+	overlay_ops->commit(manager->dev);
+}
+
+void exynos_drm_encoder_crtc_mode_set(struct drm_encoder *encoder, void *data)
+{
+	struct exynos_drm_manager *manager =
+		to_exynos_encoder(encoder)->manager;
+	struct exynos_drm_overlay_ops *overlay_ops = manager->overlay_ops;
+	struct exynos_drm_overlay *overlay = data;
+
+	overlay_ops->mode_set(manager->dev, overlay);
+}
+
+MODULE_AUTHOR("Inki Dae <inki.dae@samsung.com>");
+MODULE_AUTHOR("Joonyoung Shim <jy0922.shim@samsung.com>");
+MODULE_AUTHOR("Seung-Woo Kim <sw0312.kim@samsung.com>");
+MODULE_DESCRIPTION("Samsung SoC DRM Encoder Driver");
+MODULE_LICENSE("GPL");