1 files changed, 128 insertions, 166 deletions

diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.c b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
index 32a34c85899b..abb1e2f8227f 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_crtc.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
@@ -29,21 +29,23 @@
 #include "drmP.h"
 #include "drm_crtc_helper.h"
 
-#include "exynos_drm_crtc.h"
 #include "exynos_drm_drv.h"
-#include "exynos_drm_fb.h"
 #include "exynos_drm_encoder.h"
-#include "exynos_drm_gem.h"
+#include "exynos_drm_plane.h"
 
 #define to_exynos_crtc(x)	container_of(x, struct exynos_drm_crtc,\
 				drm_crtc)
 
+enum exynos_crtc_mode {
+	CRTC_MODE_NORMAL,	/* normal mode */
+	CRTC_MODE_BLANK,	/* The private plane of crtc is blank */
+};
+
 /*
  * Exynos specific crtc structure.
  *
  * @drm_crtc: crtc object.
- * @overlay: contain information common to display controller and hdmi and
- *	contents of this overlay object would be copied to sub driver size.
+ * @drm_plane: pointer of private plane object for this crtc
  * @pipe: a crtc index created at load() with a new crtc object creation
  *	and the crtc object would be set to private->crtc array
  *	to get a crtc object corresponding to this pipe from private->crtc
@@ -52,115 +54,16 @@
  *	we can refer to the crtc to current hardware interrupt occured through
  *	this pipe value.
  * @dpms: store the crtc dpms value
+ * @mode: store the crtc mode value
  */
 struct exynos_drm_crtc {
 	struct drm_crtc			drm_crtc;
-	struct exynos_drm_overlay	overlay;
+	struct drm_plane		*plane;
 	unsigned int			pipe;
 	unsigned int			dpms;
+	enum exynos_crtc_mode		mode;
 };
 
-static void exynos_drm_crtc_apply(struct drm_crtc *crtc)
-{
-	struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
-	struct exynos_drm_overlay *overlay = &exynos_crtc->overlay;
-
-	exynos_drm_fn_encoder(crtc, overlay,
-			exynos_drm_encoder_crtc_mode_set);
-	exynos_drm_fn_encoder(crtc, &exynos_crtc->pipe,
-			exynos_drm_encoder_crtc_commit);
-}
-
-int exynos_drm_overlay_update(struct exynos_drm_overlay *overlay,
-			      struct drm_framebuffer *fb,
-			      struct drm_display_mode *mode,
-			      struct exynos_drm_crtc_pos *pos)
-{
-	struct exynos_drm_gem_buf *buffer;
-	unsigned int actual_w;
-	unsigned int actual_h;
-	int nr = exynos_drm_format_num_buffers(fb->pixel_format);
-	int i;
-
-	for (i = 0; i < nr; i++) {
-		buffer = exynos_drm_fb_buffer(fb, i);
-		if (!buffer) {
-			DRM_LOG_KMS("buffer is null\n");
-			return -EFAULT;
-		}
-
-		overlay->dma_addr[i] = buffer->dma_addr;
-		overlay->vaddr[i] = buffer->kvaddr;
-
-		DRM_DEBUG_KMS("buffer: %d, vaddr = 0x%lx, dma_addr = 0x%lx\n",
-				i, (unsigned long)overlay->vaddr[i],
-				(unsigned long)overlay->dma_addr[i]);
-	}
-
-	actual_w = min((mode->hdisplay - pos->crtc_x), pos->crtc_w);
-	actual_h = min((mode->vdisplay - pos->crtc_y), pos->crtc_h);
-
-	/* set drm framebuffer data. */
-	overlay->fb_x = pos->fb_x;
-	overlay->fb_y = pos->fb_y;
-	overlay->fb_width = fb->width;
-	overlay->fb_height = fb->height;
-	overlay->src_width = pos->src_w;
-	overlay->src_height = pos->src_h;
-	overlay->bpp = fb->bits_per_pixel;
-	overlay->pitch = fb->pitches[0];
-	overlay->pixel_format = fb->pixel_format;
-
-	/* set overlay range to be displayed. */
-	overlay->crtc_x = pos->crtc_x;
-	overlay->crtc_y = pos->crtc_y;
-	overlay->crtc_width = actual_w;
-	overlay->crtc_height = actual_h;
-
-	/* set drm mode data. */
-	overlay->mode_width = mode->hdisplay;
-	overlay->mode_height = mode->vdisplay;
-	overlay->refresh = mode->vrefresh;
-	overlay->scan_flag = mode->flags;
-
-	DRM_DEBUG_KMS("overlay : offset_x/y(%d,%d), width/height(%d,%d)",
-			overlay->crtc_x, overlay->crtc_y,
-			overlay->crtc_width, overlay->crtc_height);
-
-	return 0;
-}
-
-static int exynos_drm_crtc_update(struct drm_crtc *crtc)
-{
-	struct exynos_drm_crtc *exynos_crtc;
-	struct exynos_drm_overlay *overlay;
-	struct exynos_drm_crtc_pos pos;
-	struct drm_display_mode *mode = &crtc->mode;
-	struct drm_framebuffer *fb = crtc->fb;
-
-	if (!mode || !fb)
-		return -EINVAL;
-
-	exynos_crtc = to_exynos_crtc(crtc);
-	overlay = &exynos_crtc->overlay;
-
-	memset(&pos, 0, sizeof(struct exynos_drm_crtc_pos));
-
-	/* it means the offset of framebuffer to be displayed. */
-	pos.fb_x = crtc->x;
-	pos.fb_y = crtc->y;
-
-	/* OSD position to be displayed. */
-	pos.crtc_x = 0;
-	pos.crtc_y = 0;
-	pos.crtc_w = fb->width - crtc->x;
-	pos.crtc_h = fb->height - crtc->y;
-	pos.src_w = pos.crtc_w;
-	pos.src_h = pos.crtc_h;
-
-	return exynos_drm_overlay_update(overlay, crtc->fb, mode, &pos);
-}
-
 static void exynos_drm_crtc_dpms(struct drm_crtc *crtc, int mode)
 {
 	struct drm_device *dev = crtc->dev;
@@ -175,23 +78,8 @@ static void exynos_drm_crtc_dpms(struct drm_crtc *crtc, int mode)
 
 	mutex_lock(&dev->struct_mutex);
 
-	switch (mode) {
-	case DRM_MODE_DPMS_ON:
-		exynos_drm_fn_encoder(crtc, &mode,
-				exynos_drm_encoder_crtc_dpms);
-		exynos_crtc->dpms = mode;
-		break;
-	case DRM_MODE_DPMS_STANDBY:
-	case DRM_MODE_DPMS_SUSPEND:
-	case DRM_MODE_DPMS_OFF:
-		exynos_drm_fn_encoder(crtc, &mode,
-				exynos_drm_encoder_crtc_dpms);
-		exynos_crtc->dpms = mode;
-		break;
-	default:
-		DRM_ERROR("unspecified mode %d\n", mode);
-		break;
-	}
+	exynos_drm_fn_encoder(crtc, &mode, exynos_drm_encoder_crtc_dpms);
+	exynos_crtc->dpms = mode;
 
 	mutex_unlock(&dev->struct_mutex);
 }
@@ -209,30 +97,8 @@ static void exynos_drm_crtc_commit(struct drm_crtc *crtc)
 
 	DRM_DEBUG_KMS("%s\n", __FILE__);
 
-	/*
-	 * when set_crtc is requested from user or at booting time,
-	 * crtc->commit would be called without dpms call so if dpms is
-	 * no power on then crtc->dpms should be called
-	 * with DRM_MODE_DPMS_ON for the hardware power to be on.
-	 */
-	if (exynos_crtc->dpms != DRM_MODE_DPMS_ON) {
-		int mode = DRM_MODE_DPMS_ON;
-
-		/*
-		 * enable hardware(power on) to all encoders hdmi connected
-		 * to current crtc.
-		 */
-		exynos_drm_crtc_dpms(crtc, mode);
-		/*
-		 * enable dma to all encoders connected to current crtc and
-		 * lcd panel.
-		 */
-		exynos_drm_fn_encoder(crtc, &mode,
-					exynos_drm_encoder_dpms_from_crtc);
-	}
-
-	exynos_drm_fn_encoder(crtc, &exynos_crtc->pipe,
-			exynos_drm_encoder_crtc_commit);
+	exynos_plane_commit(exynos_crtc->plane);
+	exynos_plane_dpms(exynos_crtc->plane, DRM_MODE_DPMS_ON);
 }
 
 static bool
@@ -251,31 +117,61 @@ exynos_drm_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *mode,
 			  struct drm_display_mode *adjusted_mode, int x, int y,
 			  struct drm_framebuffer *old_fb)
 {
+	struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
+	struct drm_plane *plane = exynos_crtc->plane;
+	unsigned int crtc_w;
+	unsigned int crtc_h;
+	int pipe = exynos_crtc->pipe;
+	int ret;
+
 	DRM_DEBUG_KMS("%s\n", __FILE__);
 
+	exynos_drm_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
+
 	/*
 	 * copy the mode data adjusted by mode_fixup() into crtc->mode
 	 * so that hardware can be seet to proper mode.
 	 */
 	memcpy(&crtc->mode, adjusted_mode, sizeof(*adjusted_mode));
 
-	return exynos_drm_crtc_update(crtc);
+	crtc_w = crtc->fb->width - x;
+	crtc_h = crtc->fb->height - y;
+
+	ret = exynos_plane_mode_set(plane, crtc, crtc->fb, 0, 0, crtc_w, crtc_h,
+				    x, y, crtc_w, crtc_h);
+	if (ret)
+		return ret;
+
+	plane->crtc = crtc;
+	plane->fb = crtc->fb;
+
+	exynos_drm_fn_encoder(crtc, &pipe, exynos_drm_encoder_crtc_pipe);
+
+	return 0;
 }
 
 static int exynos_drm_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y,
 					  struct drm_framebuffer *old_fb)
 {
+	struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
+	struct drm_plane *plane = exynos_crtc->plane;
+	unsigned int crtc_w;
+	unsigned int crtc_h;
 	int ret;
 
 	DRM_DEBUG_KMS("%s\n", __FILE__);
 
-	ret = exynos_drm_crtc_update(crtc);
+	crtc_w = crtc->fb->width - x;
+	crtc_h = crtc->fb->height - y;
+
+	ret = exynos_plane_mode_set(plane, crtc, crtc->fb, 0, 0, crtc_w, crtc_h,
+				    x, y, crtc_w, crtc_h);
 	if (ret)
 		return ret;
 
-	exynos_drm_crtc_apply(crtc);
+	exynos_drm_crtc_commit(crtc);
 
-	return ret;
+	return 0;
 }
 
 static void exynos_drm_crtc_load_lut(struct drm_crtc *crtc)
@@ -284,6 +180,16 @@ static void exynos_drm_crtc_load_lut(struct drm_crtc *crtc)
 	/* drm framework doesn't check NULL */
 }
 
+static void exynos_drm_crtc_disable(struct drm_crtc *crtc)
+{
+	struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
+
+	DRM_DEBUG_KMS("%s\n", __FILE__);
+
+	exynos_plane_dpms(exynos_crtc->plane, DRM_MODE_DPMS_OFF);
+	exynos_drm_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
+}
+
 static struct drm_crtc_helper_funcs exynos_crtc_helper_funcs = {
 	.dpms		= exynos_drm_crtc_dpms,
 	.prepare	= exynos_drm_crtc_prepare,
@@ -292,6 +198,7 @@ static struct drm_crtc_helper_funcs exynos_crtc_helper_funcs = {
 	.mode_set	= exynos_drm_crtc_mode_set,
 	.mode_set_base	= exynos_drm_crtc_mode_set_base,
 	.load_lut	= exynos_drm_crtc_load_lut,
+	.disable	= exynos_drm_crtc_disable,
 };
 
 static int exynos_drm_crtc_page_flip(struct drm_crtc *crtc,
@@ -327,7 +234,8 @@ static int exynos_drm_crtc_page_flip(struct drm_crtc *crtc,
 				&dev_priv->pageflip_event_list);
 
 		crtc->fb = fb;
-		ret = exynos_drm_crtc_update(crtc);
+		ret = exynos_drm_crtc_mode_set_base(crtc, crtc->x, crtc->y,
+						    NULL);
 		if (ret) {
 			crtc->fb = old_fb;
 			drm_vblank_put(dev, exynos_crtc->pipe);
@@ -335,14 +243,6 @@ static int exynos_drm_crtc_page_flip(struct drm_crtc *crtc,
 
 			goto out;
 		}
-
-		/*
-		 * the values related to a buffer of the drm framebuffer
-		 * to be applied should be set at here. because these values
-		 * first, are set to shadow registers and then to
-		 * real registers at vsync front porch period.
-		 */
-		exynos_drm_crtc_apply(crtc);
 	}
 out:
 	mutex_unlock(&dev->struct_mutex);
@@ -362,18 +262,73 @@ static void exynos_drm_crtc_destroy(struct drm_crtc *crtc)
 	kfree(exynos_crtc);
 }
 
+static int exynos_drm_crtc_set_property(struct drm_crtc *crtc,
+					struct drm_property *property,
+					uint64_t val)
+{
+	struct drm_device *dev = crtc->dev;
+	struct exynos_drm_private *dev_priv = dev->dev_private;
+	struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
+
+	DRM_DEBUG_KMS("%s\n", __func__);
+
+	if (property == dev_priv->crtc_mode_property) {
+		enum exynos_crtc_mode mode = val;
+
+		if (mode == exynos_crtc->mode)
+			return 0;
+
+		exynos_crtc->mode = mode;
+
+		switch (mode) {
+		case CRTC_MODE_NORMAL:
+			exynos_drm_crtc_commit(crtc);
+			break;
+		case CRTC_MODE_BLANK:
+			exynos_plane_dpms(exynos_crtc->plane,
+					  DRM_MODE_DPMS_OFF);
+			break;
+		default:
+			break;
+		}
+
+		return 0;
+	}
+
+	return -EINVAL;
+}
+
 static struct drm_crtc_funcs exynos_crtc_funcs = {
 	.set_config	= drm_crtc_helper_set_config,
 	.page_flip	= exynos_drm_crtc_page_flip,
 	.destroy	= exynos_drm_crtc_destroy,
+	.set_property	= exynos_drm_crtc_set_property,
+};
+
+static const struct drm_prop_enum_list mode_names[] = {
+	{ CRTC_MODE_NORMAL, "normal" },
+	{ CRTC_MODE_BLANK, "blank" },
 };
 
-struct exynos_drm_overlay *get_exynos_drm_overlay(struct drm_device *dev,
-		struct drm_crtc *crtc)
+static void exynos_drm_crtc_attach_mode_property(struct drm_crtc *crtc)
 {
-	struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
+	struct drm_device *dev = crtc->dev;
+	struct exynos_drm_private *dev_priv = dev->dev_private;
+	struct drm_property *prop;
 
-	return &exynos_crtc->overlay;
+	DRM_DEBUG_KMS("%s\n", __func__);
+
+	prop = dev_priv->crtc_mode_property;
+	if (!prop) {
+		prop = drm_property_create_enum(dev, 0, "mode", mode_names,
+						ARRAY_SIZE(mode_names));
+		if (!prop)
+			return;
+
+		dev_priv->crtc_mode_property = prop;
+	}
+
+	drm_object_attach_property(&crtc->base, prop, 0);
 }
 
 int exynos_drm_crtc_create(struct drm_device *dev, unsigned int nr)
@@ -392,7 +347,12 @@ int exynos_drm_crtc_create(struct drm_device *dev, unsigned int nr)
 
 	exynos_crtc->pipe = nr;
 	exynos_crtc->dpms = DRM_MODE_DPMS_OFF;
-	exynos_crtc->overlay.zpos = DEFAULT_ZPOS;
+	exynos_crtc->plane = exynos_plane_init(dev, 1 << nr, true);
+	if (!exynos_crtc->plane) {
+		kfree(exynos_crtc);
+		return -ENOMEM;
+	}
+
 	crtc = &exynos_crtc->drm_crtc;
 
 	private->crtc[nr] = crtc;
@@ -400,6 +360,8 @@ int exynos_drm_crtc_create(struct drm_device *dev, unsigned int nr)
 	drm_crtc_init(dev, crtc, &exynos_crtc_funcs);
 	drm_crtc_helper_add(crtc, &exynos_crtc_helper_funcs);
 
+	exynos_drm_crtc_attach_mode_property(crtc);
+
 	return 0;
 }