Merge branch 'linus' into locking/core, to fix up conflicts

 Conflicts:
	mm/page_alloc.c

Signed-off-by: Ingo Molnar <mingo@kernel.org>

2 files changed, 84 insertions, 49 deletions

diff --git a/drivers/gpu/drm/nouveau/dispnv04/crtc.c b/drivers/gpu/drm/nouveau/dispnv04/crtc.c
index 4b4b0b496262..6aa6ee16dcbd 100644
--- a/drivers/gpu/drm/nouveau/dispnv04/crtc.c
+++ b/drivers/gpu/drm/nouveau/dispnv04/crtc.c
@@ -764,13 +764,18 @@ nv_crtc_gamma_load(struct drm_crtc *crtc)
 	struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
 	struct drm_device *dev = nv_crtc->base.dev;
 	struct rgb { uint8_t r, g, b; } __attribute__((packed)) *rgbs;
+	u16 *r, *g, *b;
 	int i;
 
 	rgbs = (struct rgb *)nv04_display(dev)->mode_reg.crtc_reg[nv_crtc->index].DAC;
+	r = crtc->gamma_store;
+	g = r + crtc->gamma_size;
+	b = g + crtc->gamma_size;
+
 	for (i = 0; i < 256; i++) {
-		rgbs[i].r = nv_crtc->lut.r[i] >> 8;
-		rgbs[i].g = nv_crtc->lut.g[i] >> 8;
-		rgbs[i].b = nv_crtc->lut.b[i] >> 8;
+		rgbs[i].r = *r++ >> 8;
+		rgbs[i].g = *g++ >> 8;
+		rgbs[i].b = *b++ >> 8;
 	}
 
 	nouveau_hw_load_state_palette(dev, nv_crtc->index, &nv04_display(dev)->mode_reg);
@@ -792,13 +797,6 @@ nv_crtc_gamma_set(struct drm_crtc *crtc, u16 *r, u16 *g, u16 *b,
 		  struct drm_modeset_acquire_ctx *ctx)
 {
 	struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
-	int i;
-
-	for (i = 0; i < size; i++) {
-		nv_crtc->lut.r[i] = r[i];
-		nv_crtc->lut.g[i] = g[i];
-		nv_crtc->lut.b[i] = b[i];
-	}
 
 	/* We need to know the depth before we upload, but it's possible to
 	 * get called before a framebuffer is bound.  If this is the case,
@@ -1095,25 +1093,51 @@ static const struct drm_crtc_helper_funcs nv04_crtc_helper_funcs = {
 	.mode_set = nv_crtc_mode_set,
 	.mode_set_base = nv04_crtc_mode_set_base,
 	.mode_set_base_atomic = nv04_crtc_mode_set_base_atomic,
-	.load_lut = nv_crtc_gamma_load,
 	.disable = nv_crtc_disable,
 };
 
+static const uint32_t modeset_formats[] = {
+        DRM_FORMAT_XRGB8888,
+        DRM_FORMAT_RGB565,
+        DRM_FORMAT_XRGB1555,
+};
+
+static struct drm_plane *
+create_primary_plane(struct drm_device *dev)
+{
+        struct drm_plane *primary;
+        int ret;
+
+        primary = kzalloc(sizeof(*primary), GFP_KERNEL);
+        if (primary == NULL) {
+                DRM_DEBUG_KMS("Failed to allocate primary plane\n");
+                return NULL;
+        }
+
+        /* possible_crtc's will be filled in later by crtc_init */
+        ret = drm_universal_plane_init(dev, primary, 0,
+                                       &drm_primary_helper_funcs,
+                                       modeset_formats,
+                                       ARRAY_SIZE(modeset_formats), NULL,
+                                       DRM_PLANE_TYPE_PRIMARY, NULL);
+        if (ret) {
+                kfree(primary);
+                primary = NULL;
+        }
+
+        return primary;
+}
+
 int
 nv04_crtc_create(struct drm_device *dev, int crtc_num)
 {
 	struct nouveau_crtc *nv_crtc;
-	int ret, i;
+	int ret;
 
 	nv_crtc = kzalloc(sizeof(*nv_crtc), GFP_KERNEL);
 	if (!nv_crtc)
 		return -ENOMEM;
 
-	for (i = 0; i < 256; i++) {
-		nv_crtc->lut.r[i] = i << 8;
-		nv_crtc->lut.g[i] = i << 8;
-		nv_crtc->lut.b[i] = i << 8;
-	}
 	nv_crtc->lut.depth = 0;
 
 	nv_crtc->index = crtc_num;
@@ -1122,7 +1146,9 @@ nv04_crtc_create(struct drm_device *dev, int crtc_num)
 	nv_crtc->save = nv_crtc_save;
 	nv_crtc->restore = nv_crtc_restore;
 
-	drm_crtc_init(dev, &nv_crtc->base, &nv04_crtc_funcs);
+	drm_crtc_init_with_planes(dev, &nv_crtc->base,
+                                  create_primary_plane(dev), NULL,
+                                  &nv04_crtc_funcs, NULL);
 	drm_crtc_helper_add(&nv_crtc->base, &nv04_crtc_helper_funcs);
 	drm_mode_crtc_set_gamma_size(&nv_crtc->base, 256);
 
diff --git a/drivers/gpu/drm/nouveau/dispnv04/overlay.c b/drivers/gpu/drm/nouveau/dispnv04/overlay.c
index e54944d23268..c8c2333f24ee 100644
--- a/drivers/gpu/drm/nouveau/dispnv04/overlay.c
+++ b/drivers/gpu/drm/nouveau/dispnv04/overlay.c
@@ -63,6 +63,7 @@ static uint32_t formats[] = {
 	DRM_FORMAT_YUYV,
 	DRM_FORMAT_UYVY,
 	DRM_FORMAT_NV12,
+	DRM_FORMAT_NV21,
 };
 
 /* Sine can be approximated with
@@ -90,6 +91,26 @@ cos_mul(int degrees, int factor)
 }
 
 static int
+verify_scaling(const struct drm_framebuffer *fb, uint8_t shift,
+               uint32_t src_x, uint32_t src_y, uint32_t src_w, uint32_t src_h,
+               uint32_t crtc_w, uint32_t crtc_h)
+{
+	if (crtc_w < (src_w >> shift) || crtc_h < (src_h >> shift)) {
+		DRM_DEBUG_KMS("Unsuitable framebuffer scaling: %dx%d -> %dx%d\n",
+			      src_w, src_h, crtc_w, crtc_h);
+		return -ERANGE;
+	}
+
+	if (src_x != 0 || src_y != 0) {
+		DRM_DEBUG_KMS("Unsuitable framebuffer offset: %d,%d\n",
+                              src_x, src_y);
+		return -ERANGE;
+	}
+
+	return 0;
+}
+
+static int
 nv10_update_plane(struct drm_plane *plane, struct drm_crtc *crtc,
 		  struct drm_framebuffer *fb, int crtc_x, int crtc_y,
 		  unsigned int crtc_w, unsigned int crtc_h,
@@ -107,7 +128,9 @@ nv10_update_plane(struct drm_plane *plane, struct drm_crtc *crtc,
 	bool flip = nv_plane->flip;
 	int soff = NV_PCRTC0_SIZE * nv_crtc->index;
 	int soff2 = NV_PCRTC0_SIZE * !nv_crtc->index;
-	int format, ret;
+	unsigned shift = drm->client.device.info.chipset >= 0x30 ? 1 : 3;
+	unsigned format = 0;
+	int ret;
 
 	/* Source parameters given in 16.16 fixed point, ignore fractional. */
 	src_x >>= 16;
@@ -115,18 +138,9 @@ nv10_update_plane(struct drm_plane *plane, struct drm_crtc *crtc,
 	src_w >>= 16;
 	src_h >>= 16;
 
-	format = ALIGN(src_w * 4, 0x100);
-
-	if (format > 0xffff)
-		return -ERANGE;
-
-	if (drm->client.device.info.chipset >= 0x30) {
-		if (crtc_w < (src_w >> 1) || crtc_h < (src_h >> 1))
-			return -ERANGE;
-	} else {
-		if (crtc_w < (src_w >> 3) || crtc_h < (src_h >> 3))
-			return -ERANGE;
-	}
+	ret = verify_scaling(fb, shift, 0, 0, src_w, src_h, crtc_w, crtc_h);
+	if (ret)
+		return ret;
 
 	ret = nouveau_bo_pin(nv_fb->nvbo, TTM_PL_FLAG_VRAM, false);
 	if (ret)
@@ -146,21 +160,23 @@ nv10_update_plane(struct drm_plane *plane, struct drm_crtc *crtc,
 	nvif_wr32(dev, NV_PVIDEO_POINT_OUT(flip), crtc_y << 16 | crtc_x);
 	nvif_wr32(dev, NV_PVIDEO_SIZE_OUT(flip), crtc_h << 16 | crtc_w);
 
-	if (fb->format->format != DRM_FORMAT_UYVY)
+	if (fb->format->format == DRM_FORMAT_YUYV ||
+	    fb->format->format == DRM_FORMAT_NV12)
 		format |= NV_PVIDEO_FORMAT_COLOR_LE_CR8YB8CB8YA8;
-	if (fb->format->format == DRM_FORMAT_NV12)
+	if (fb->format->format == DRM_FORMAT_NV12 ||
+	    fb->format->format == DRM_FORMAT_NV21)
 		format |= NV_PVIDEO_FORMAT_PLANAR;
 	if (nv_plane->iturbt_709)
 		format |= NV_PVIDEO_FORMAT_MATRIX_ITURBT709;
 	if (nv_plane->colorkey & (1 << 24))
 		format |= NV_PVIDEO_FORMAT_DISPLAY_COLOR_KEY;
 
-	if (fb->format->format == DRM_FORMAT_NV12) {
+	if (format & NV_PVIDEO_FORMAT_PLANAR) {
 		nvif_wr32(dev, NV_PVIDEO_UVPLANE_BASE(flip), 0);
 		nvif_wr32(dev, NV_PVIDEO_UVPLANE_OFFSET_BUFF(flip),
 			nv_fb->nvbo->bo.offset + fb->offsets[1]);
 	}
-	nvif_wr32(dev, NV_PVIDEO_FORMAT(flip), format);
+	nvif_wr32(dev, NV_PVIDEO_FORMAT(flip), format | fb->pitches[0]);
 	nvif_wr32(dev, NV_PVIDEO_STOP, 0);
 	/* TODO: wait for vblank? */
 	nvif_wr32(dev, NV_PVIDEO_BUFFER, flip ? 0x10 : 0x1);
@@ -357,7 +373,7 @@ nv04_update_plane(struct drm_plane *plane, struct drm_crtc *crtc,
 	struct nouveau_bo *cur = nv_plane->cur;
 	uint32_t overlay = 1;
 	int brightness = (nv_plane->brightness - 512) * 62 / 512;
-	int pitch, ret, i;
+	int ret, i;
 
 	/* Source parameters given in 16.16 fixed point, ignore fractional. */
 	src_x >>= 16;
@@ -365,17 +381,9 @@ nv04_update_plane(struct drm_plane *plane, struct drm_crtc *crtc,
 	src_w >>= 16;
 	src_h >>= 16;
 
-	pitch = ALIGN(src_w * 4, 0x100);
-
-	if (pitch > 0xffff)
-		return -ERANGE;
-
-	/* TODO: Compute an offset? Not sure how to do this for YUYV. */
-	if (src_x != 0 || src_y != 0)
-		return -ERANGE;
-
-	if (crtc_w < src_w || crtc_h < src_h)
-		return -ERANGE;
+	ret = verify_scaling(fb, 0, src_x, src_y, src_w, src_h, crtc_w, crtc_h);
+	if (ret)
+		return ret;
 
 	ret = nouveau_bo_pin(nv_fb->nvbo, TTM_PL_FLAG_VRAM, false);
 	if (ret)
@@ -389,8 +397,9 @@ nv04_update_plane(struct drm_plane *plane, struct drm_crtc *crtc,
 
 	for (i = 0; i < 2; i++) {
 		nvif_wr32(dev, NV_PVIDEO_BUFF0_START_ADDRESS + 4 * i,
-			nv_fb->nvbo->bo.offset);
-		nvif_wr32(dev, NV_PVIDEO_BUFF0_PITCH_LENGTH + 4 * i, pitch);
+			  nv_fb->nvbo->bo.offset);
+		nvif_wr32(dev, NV_PVIDEO_BUFF0_PITCH_LENGTH + 4 * i,
+			  fb->pitches[0]);
 		nvif_wr32(dev, NV_PVIDEO_BUFF0_OFFSET + 4 * i, 0);
 	}
 	nvif_wr32(dev, NV_PVIDEO_WINDOW_START, crtc_y << 16 | crtc_x);