bcm27xx: remove obsolete kernel 5.4

With the upgrade to kernel 5.10 per default the old version is no
longer required to be in tree.

Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>

1 files changed, 0 insertions, 328 deletions

diff --git a/target/linux/bcm27xx/patches-5.4/950-0274-drm-vc4-Add-support-for-margins-to-fkms.patch b/target/linux/bcm27xx/patches-5.4/950-0274-drm-vc4-Add-support-for-margins-to-fkms.patch
deleted file mode 100644
index 968eb3ff55..0000000000
--- a/target/linux/bcm27xx/patches-5.4/950-0274-drm-vc4-Add-support-for-margins-to-fkms.patch
+++ /dev/null
@@ -1,328 +0,0 @@
-From 8a7170d2ad05ae00733e0535b281ce2e682c6f65 Mon Sep 17 00:00:00 2001
-From: Dave Stevenson <dave.stevenson@raspberrypi.org>
-Date: Fri, 19 Jul 2019 15:35:13 +0100
-Subject: [PATCH] drm/vc4: Add support for margins to fkms
-
-Allows for overscan to be configured under FKMS.
-NB This is rescaling the planes, not reducing the size of the
-display mode.
-
-Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
----
- drivers/gpu/drm/vc4/vc4_firmware_kms.c | 241 +++++++++++++++++++------
- 1 file changed, 190 insertions(+), 51 deletions(-)
-
---- a/drivers/gpu/drm/vc4/vc4_firmware_kms.c
-+++ b/drivers/gpu/drm/vc4/vc4_firmware_kms.c
-@@ -259,6 +259,23 @@ static inline struct vc4_crtc *to_vc4_cr
- 	return container_of(crtc, struct vc4_crtc, base);
- }
- 
-+struct vc4_crtc_state {
-+	struct drm_crtc_state base;
-+
-+	struct {
-+		unsigned int left;
-+		unsigned int right;
-+		unsigned int top;
-+		unsigned int bottom;
-+	} margins;
-+};
-+
-+static inline struct vc4_crtc_state *
-+to_vc4_crtc_state(struct drm_crtc_state *crtc_state)
-+{
-+	return (struct vc4_crtc_state *)crtc_state;
-+}
-+
- struct vc4_fkms_encoder {
- 	struct drm_encoder base;
- 	bool hdmi_monitor;
-@@ -367,17 +384,127 @@ static int vc4_plane_set_blank(struct dr
- 	return ret;
- }
- 
-+static void vc4_fkms_crtc_get_margins(struct drm_crtc_state *state,
-+				      unsigned int *left, unsigned int *right,
-+				      unsigned int *top, unsigned int *bottom)
-+{
-+	struct vc4_crtc_state *vc4_state = to_vc4_crtc_state(state);
-+	struct drm_connector_state *conn_state;
-+	struct drm_connector *conn;
-+	int i;
-+
-+	*left = vc4_state->margins.left;
-+	*right = vc4_state->margins.right;
-+	*top = vc4_state->margins.top;
-+	*bottom = vc4_state->margins.bottom;
-+
-+	/* We have to interate over all new connector states because
-+	 * vc4_fkms_crtc_get_margins() might be called before
-+	 * vc4_fkms_crtc_atomic_check() which means margins info in
-+	 * vc4_crtc_state might be outdated.
-+	 */
-+	for_each_new_connector_in_state(state->state, conn, conn_state, i) {
-+		if (conn_state->crtc != state->crtc)
-+			continue;
-+
-+		*left = conn_state->tv.margins.left;
-+		*right = conn_state->tv.margins.right;
-+		*top = conn_state->tv.margins.top;
-+		*bottom = conn_state->tv.margins.bottom;
-+		break;
-+	}
-+}
-+
-+static int vc4_fkms_margins_adj(struct drm_plane_state *pstate,
-+				struct set_plane *plane)
-+{
-+	unsigned int left, right, top, bottom;
-+	int adjhdisplay, adjvdisplay;
-+	struct drm_crtc_state *crtc_state;
-+
-+	crtc_state = drm_atomic_get_new_crtc_state(pstate->state,
-+						   pstate->crtc);
-+
-+	vc4_fkms_crtc_get_margins(crtc_state, &left, &right, &top, &bottom);
-+
-+	if (!left && !right && !top && !bottom)
-+		return 0;
-+
-+	if (left + right >= crtc_state->mode.hdisplay ||
-+	    top + bottom >= crtc_state->mode.vdisplay)
-+		return -EINVAL;
-+
-+	adjhdisplay = crtc_state->mode.hdisplay - (left + right);
-+	plane->dst_x = DIV_ROUND_CLOSEST(plane->dst_x * adjhdisplay,
-+					 (int)crtc_state->mode.hdisplay);
-+	plane->dst_x += left;
-+	if (plane->dst_x > (int)(crtc_state->mode.hdisplay - left))
-+		plane->dst_x = crtc_state->mode.hdisplay - left;
-+
-+	adjvdisplay = crtc_state->mode.vdisplay - (top + bottom);
-+	plane->dst_y = DIV_ROUND_CLOSEST(plane->dst_y * adjvdisplay,
-+					 (int)crtc_state->mode.vdisplay);
-+	plane->dst_y += top;
-+	if (plane->dst_y > (int)(crtc_state->mode.vdisplay - top))
-+		plane->dst_y = crtc_state->mode.vdisplay - top;
-+
-+	plane->dst_w = DIV_ROUND_CLOSEST(plane->dst_w * adjhdisplay,
-+					 crtc_state->mode.hdisplay);
-+	plane->dst_h = DIV_ROUND_CLOSEST(plane->dst_h * adjvdisplay,
-+					 crtc_state->mode.vdisplay);
-+
-+	if (!plane->dst_w || !plane->dst_h)
-+		return -EINVAL;
-+
-+	return 0;
-+}
-+
- static void vc4_plane_atomic_update(struct drm_plane *plane,
- 				    struct drm_plane_state *old_state)
- {
- 	struct drm_plane_state *state = plane->state;
-+
-+	/*
-+	 * Do NOT set now, as we haven't checked if the crtc is active or not.
-+	 * Set from vc4_plane_set_blank instead.
-+	 *
-+	 * If the CRTC is on (or going to be on) and we're enabled,
-+	 * then unblank.  Otherwise, stay blank until CRTC enable.
-+	 */
-+	if (state->crtc->state->active)
-+		vc4_plane_set_blank(plane, false);
-+}
-+
-+static void vc4_plane_atomic_disable(struct drm_plane *plane,
-+				     struct drm_plane_state *old_state)
-+{
-+	struct drm_plane_state *state = plane->state;
-+	struct vc4_fkms_plane *vc4_plane = to_vc4_fkms_plane(plane);
-+
-+	DRM_DEBUG_ATOMIC("[PLANE:%d:%s] plane disable %dx%d@%d +%d,%d\n",
-+			 plane->base.id, plane->name,
-+			 state->crtc_w,
-+			 state->crtc_h,
-+			 vc4_plane->mb.plane.vc_image_type,
-+			 state->crtc_x,
-+			 state->crtc_y);
-+	vc4_plane_set_blank(plane, true);
-+}
-+
-+static bool plane_enabled(struct drm_plane_state *state)
-+{
-+	return state->fb && state->crtc;
-+}
-+
-+static int vc4_plane_to_mb(struct drm_plane *plane,
-+			   struct mailbox_set_plane *mb,
-+			   struct drm_plane_state *state)
-+{
- 	struct drm_framebuffer *fb = state->fb;
- 	struct drm_gem_cma_object *bo = drm_fb_cma_get_gem_obj(fb, 0);
- 	const struct drm_format_info *drm_fmt = fb->format;
- 	const struct vc_image_format *vc_fmt =
- 					vc4_get_vc_image_fmt(drm_fmt->format);
--	struct vc4_fkms_plane *vc4_plane = to_vc4_fkms_plane(plane);
--	struct mailbox_set_plane *mb = &vc4_plane->mb;
- 	int num_planes = fb->format->num_planes;
- 	struct drm_display_mode *mode = &state->crtc->mode;
- 	unsigned int rotation = SUPPORTED_ROTATIONS;
-@@ -419,25 +546,7 @@ static void vc4_plane_atomic_update(stru
- 		break;
- 	}
- 
--	/* FIXME: If the dest rect goes off screen then clip the src rect so we
--	 * don't have off-screen pixels.
--	 */
--	if (plane->type == DRM_PLANE_TYPE_CURSOR) {
--		/* There is no scaling on the cursor plane, therefore the calcs
--		 * to alter the source crop as the cursor goes off the screen
--		 * are simple.
--		 */
--		if (mb->plane.dst_x + mb->plane.dst_w > mode->hdisplay) {
--			mb->plane.dst_w = mode->hdisplay - mb->plane.dst_x;
--			mb->plane.src_w = (mode->hdisplay - mb->plane.dst_x)
--									<< 16;
--		}
--		if (mb->plane.dst_y + mb->plane.dst_h > mode->vdisplay) {
--			mb->plane.dst_h = mode->vdisplay - mb->plane.dst_y;
--			mb->plane.src_h = (mode->vdisplay - mb->plane.dst_y)
--									<< 16;
--		}
--	}
-+	vc4_fkms_margins_adj(state, &mb->plane);
- 
- 	if (num_planes > 1) {
- 		/* Assume this must be YUV */
-@@ -527,38 +636,19 @@ static void vc4_plane_atomic_update(stru
- 			 state->alpha,
- 			 state->normalized_zpos);
- 
--	/*
--	 * Do NOT set now, as we haven't checked if the crtc is active or not.
--	 * Set from vc4_plane_set_blank instead.
--	 *
--	 * If the CRTC is on (or going to be on) and we're enabled,
--	 * then unblank.  Otherwise, stay blank until CRTC enable.
--	 */
--	if (state->crtc->state->active)
--		vc4_plane_set_blank(plane, false);
-+	return 0;
- }
- 
--static void vc4_plane_atomic_disable(struct drm_plane *plane,
--				     struct drm_plane_state *old_state)
-+static int vc4_plane_atomic_check(struct drm_plane *plane,
-+				  struct drm_plane_state *state)
- {
--	//struct vc4_dev *vc4 = to_vc4_dev(plane->dev);
--	struct drm_plane_state *state = plane->state;
- 	struct vc4_fkms_plane *vc4_plane = to_vc4_fkms_plane(plane);
- 
--	DRM_DEBUG_ATOMIC("[PLANE:%d:%s] plane disable %dx%d@%d +%d,%d\n",
--			 plane->base.id, plane->name,
--			 state->crtc_w,
--			 state->crtc_h,
--			 vc4_plane->mb.plane.vc_image_type,
--			 state->crtc_x,
--			 state->crtc_y);
--	vc4_plane_set_blank(plane, true);
--}
-+	if (!plane_enabled(state))
-+		return 0;
-+
-+	return vc4_plane_to_mb(plane, &vc4_plane->mb, state);
- 
--static int vc4_plane_atomic_check(struct drm_plane *plane,
--				  struct drm_plane_state *state)
--{
--	return 0;
- }
- 
- /* Called during init to allocate the plane's atomic state. */
-@@ -909,8 +999,23 @@ vc4_crtc_mode_valid(struct drm_crtc *crt
- static int vc4_crtc_atomic_check(struct drm_crtc *crtc,
- 				 struct drm_crtc_state *state)
- {
--	DRM_DEBUG_KMS("[CRTC:%d] crtc_atomic_check.\n",
--		      crtc->base.id);
-+	struct vc4_crtc_state *vc4_state = to_vc4_crtc_state(state);
-+	struct drm_connector *conn;
-+	struct drm_connector_state *conn_state;
-+	int i;
-+
-+	DRM_DEBUG_KMS("[CRTC:%d] crtc_atomic_check.\n", crtc->base.id);
-+
-+	for_each_new_connector_in_state(state->state, conn, conn_state, i) {
-+		if (conn_state->crtc != crtc)
-+			continue;
-+
-+		vc4_state->margins.left = conn_state->tv.margins.left;
-+		vc4_state->margins.right = conn_state->tv.margins.right;
-+		vc4_state->margins.top = conn_state->tv.margins.top;
-+		vc4_state->margins.bottom = conn_state->tv.margins.bottom;
-+		break;
-+	}
- 	return 0;
- }
- 
-@@ -1011,6 +1116,33 @@ static int vc4_page_flip(struct drm_crtc
- 	return drm_atomic_helper_page_flip(crtc, fb, event, flags, ctx);
- }
- 
-+static struct drm_crtc_state *
-+vc4_crtc_duplicate_state(struct drm_crtc *crtc)
-+{
-+	struct vc4_crtc_state *vc4_state, *old_vc4_state;
-+
-+	vc4_state = kzalloc(sizeof(*vc4_state), GFP_KERNEL);
-+	if (!vc4_state)
-+		return NULL;
-+
-+	old_vc4_state = to_vc4_crtc_state(crtc->state);
-+	vc4_state->margins = old_vc4_state->margins;
-+
-+	__drm_atomic_helper_crtc_duplicate_state(crtc, &vc4_state->base);
-+	return &vc4_state->base;
-+}
-+
-+static void
-+vc4_crtc_reset(struct drm_crtc *crtc)
-+{
-+	if (crtc->state)
-+		__drm_atomic_helper_crtc_destroy_state(crtc->state);
-+
-+	crtc->state = kzalloc(sizeof(*crtc->state), GFP_KERNEL);
-+	if (crtc->state)
-+		crtc->state->crtc = crtc;
-+}
-+
- static int vc4_fkms_enable_vblank(struct drm_crtc *crtc)
- {
- 	struct vc4_crtc *vc4_crtc = to_vc4_crtc(crtc);
-@@ -1038,8 +1170,8 @@ static const struct drm_crtc_funcs vc4_c
- 	.set_property = NULL,
- 	.cursor_set = NULL, /* handled by drm_mode_cursor_universal */
- 	.cursor_move = NULL, /* handled by drm_mode_cursor_universal */
--	.reset = drm_atomic_helper_crtc_reset,
--	.atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state,
-+	.reset = vc4_crtc_reset,
-+	.atomic_duplicate_state = vc4_crtc_duplicate_state,
- 	.atomic_destroy_state = drm_atomic_helper_crtc_destroy_state,
- 	.enable_vblank = vc4_fkms_enable_vblank,
- 	.disable_vblank = vc4_fkms_disable_vblank,
-@@ -1291,6 +1423,13 @@ vc4_fkms_connector_init(struct drm_devic
- 		connector->interlace_allowed = 0;
- 	}
- 
-+	/* Create and attach TV margin props to this connector. */
-+	ret = drm_mode_create_tv_margin_properties(dev);
-+	if (ret)
-+		return ERR_PTR(ret);
-+
-+	drm_connector_attach_tv_margin_properties(connector);
-+
- 	connector->polled = (DRM_CONNECTOR_POLL_CONNECT |
- 			     DRM_CONNECTOR_POLL_DISCONNECT);
-