brcm2708: organize kernel patches

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>

1 files changed, 0 insertions, 216 deletions

diff --git a/target/linux/brcm2708/patches-4.19/950-0591-gpu-vc4-fkms-Switch-to-the-newer-mailbox-frame-buffe.patch b/target/linux/brcm2708/patches-4.19/950-0591-gpu-vc4-fkms-Switch-to-the-newer-mailbox-frame-buffe.patch
deleted file mode 100644
index 0b2e2d7d47..0000000000
--- a/target/linux/brcm2708/patches-4.19/950-0591-gpu-vc4-fkms-Switch-to-the-newer-mailbox-frame-buffe.patch
+++ /dev/null
@@ -1,216 +0,0 @@
-From 3819888738de087ba726ceaa2ab20503f164f1ed Mon Sep 17 00:00:00 2001
-From: Dave Stevenson <dave.stevenson@raspberrypi.org>
-Date: Tue, 26 Mar 2019 14:43:06 +0000
-Subject: [PATCH 591/806] gpu: vc4-fkms: Switch to the newer mailbox frame
- buffer API.
-
-The old mailbox FB API was ideally deprecated but still used by
-the FKMS driver.
-Update to the newer API.
-
-NB This needs current firmware that accepts ARM allocated buffers
-through the newer API.
-
-Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
----
- drivers/gpu/drm/vc4/vc4_firmware_kms.c     | 109 +++++++++++----------
- include/soc/bcm2835/raspberrypi-firmware.h |  10 ++
- 2 files changed, 67 insertions(+), 52 deletions(-)
-
---- a/drivers/gpu/drm/vc4/vc4_firmware_kms.c
-+++ b/drivers/gpu/drm/vc4/vc4_firmware_kms.c
-@@ -28,6 +28,25 @@
- #include "vc4_regs.h"
- #include <soc/bcm2835/raspberrypi-firmware.h>
- 
-+struct fb_alloc_tags {
-+	struct rpi_firmware_property_tag_header tag1;
-+	u32 xres, yres;
-+	struct rpi_firmware_property_tag_header tag2;
-+	u32 xres_virtual, yres_virtual;
-+	struct rpi_firmware_property_tag_header tag3;
-+	u32 bpp;
-+	struct rpi_firmware_property_tag_header tag4;
-+	u32 xoffset, yoffset;
-+	struct rpi_firmware_property_tag_header tag5;
-+	u32 base, screen_size;
-+	struct rpi_firmware_property_tag_header tag6;
-+	u32 pitch;
-+	struct rpi_firmware_property_tag_header tag7;
-+	u32 alpha_mode;
-+	struct rpi_firmware_property_tag_header tag8;
-+	u32 layer;
-+};
-+
- /* The firmware delivers a vblank interrupt to us through the SMI
-  * hardware, which has only this one register.
-  */
-@@ -121,45 +140,39 @@ static void vc4_primary_plane_atomic_upd
- 					    struct drm_plane_state *old_state)
- {
- 	struct vc4_dev *vc4 = to_vc4_dev(plane->dev);
--	struct vc4_fkms_plane *vc4_plane = to_vc4_fkms_plane(plane);
- 	struct drm_plane_state *state = plane->state;
- 	struct drm_framebuffer *fb = state->fb;
- 	struct drm_gem_cma_object *bo = drm_fb_cma_get_gem_obj(fb, 0);
--	volatile struct fbinfo_s *fbinfo = vc4_plane->fbinfo;
-+	u32 format = fb->format->format;
-+	struct fb_alloc_tags fbinfo = {
-+		.tag1 = { RPI_FIRMWARE_FRAMEBUFFER_SET_PHYSICAL_WIDTH_HEIGHT,
-+			  8, 0, },
-+			.xres = state->crtc_w,
-+			.yres = state->crtc_h,
-+		.tag2 = { RPI_FIRMWARE_FRAMEBUFFER_SET_VIRTUAL_WIDTH_HEIGHT,
-+			  8, 0, },
-+			.xres_virtual = state->crtc_w,
-+			.yres_virtual = state->crtc_h,
-+		.tag3 = { RPI_FIRMWARE_FRAMEBUFFER_SET_DEPTH, 4, 0 },
-+			.bpp = 32,
-+		.tag4 = { RPI_FIRMWARE_FRAMEBUFFER_SET_VIRTUAL_OFFSET, 8, 0 },
-+			.xoffset = 0,
-+			.yoffset = 0,
-+		.tag5 = { RPI_FIRMWARE_FRAMEBUFFER_ALLOCATE, 8, 0 },
-+			.base = bo->paddr + fb->offsets[0],
-+			.screen_size = state->crtc_w * state->crtc_h * 4,
-+		.tag6 = { RPI_FIRMWARE_FRAMEBUFFER_SET_PITCH, 4, 0 },
-+			.pitch = fb->pitches[0],
-+		.tag7 = { RPI_FIRMWARE_FRAMEBUFFER_SET_ALPHA_MODE, 4, 0 },
-+			.alpha_mode = format == DRM_FORMAT_ARGB8888 ? 0 : 2,
-+		.tag8 = { RPI_FIRMWARE_FRAMEBUFFER_SET_LAYER, 4, 0 },
-+			.layer = -127,
-+	};
- 	u32 bpp = 32;
- 	int ret;
- 
--	fbinfo->xres = state->crtc_w;
--	fbinfo->yres = state->crtc_h;
--	fbinfo->xres_virtual = state->crtc_w;
--	fbinfo->yres_virtual = state->crtc_h;
--	fbinfo->bpp = bpp;
--	fbinfo->xoffset = state->crtc_x;
--	fbinfo->yoffset = state->crtc_y;
--	fbinfo->base = bo->paddr + fb->offsets[0];
--	fbinfo->pitch = fb->pitches[0];
--
- 	if (fb->modifier == DRM_FORMAT_MOD_BROADCOM_VC4_T_TILED)
--		fbinfo->bpp |= BIT(31);
--
--	/* A bug in the firmware makes it so that if the fb->base is
--	 * set to nonzero, the configured pitch gets overwritten with
--	 * the previous pitch.  So, to get the configured pitch
--	 * recomputed, we have to make it allocate itself a new buffer
--	 * in VC memory, first.
--	 */
--	if (vc4_plane->pitch != fb->pitches[0]) {
--		u32 saved_base = fbinfo->base;
--		fbinfo->base = 0;
--
--		ret = rpi_firmware_transaction(vc4->firmware,
--					       RPI_FIRMWARE_CHAN_FB,
--					       vc4_plane->fbinfo_bus_addr);
--		fbinfo->base = saved_base;
--
--		vc4_plane->pitch = fbinfo->pitch;
--		WARN_ON_ONCE(vc4_plane->pitch != fb->pitches[0]);
--	}
-+		fbinfo.bpp |= BIT(31);
- 
- 	DRM_DEBUG_ATOMIC("[PLANE:%d:%s] primary update %dx%d@%d +%d,%d 0x%pad/%d\n",
- 			 plane->base.id, plane->name,
-@@ -168,14 +181,13 @@ static void vc4_primary_plane_atomic_upd
- 			 bpp,
- 			 state->crtc_x,
- 			 state->crtc_y,
--			 &fbinfo->base,
-+			 &fbinfo.base,
- 			 fb->pitches[0]);
- 
--	ret = rpi_firmware_transaction(vc4->firmware,
--				       RPI_FIRMWARE_CHAN_FB,
--				       vc4_plane->fbinfo_bus_addr);
--	WARN_ON_ONCE(fbinfo->pitch != fb->pitches[0]);
--	WARN_ON_ONCE(fbinfo->base != bo->paddr + fb->offsets[0]);
-+	ret = rpi_firmware_property_list(vc4->firmware, &fbinfo,
-+					 sizeof(fbinfo));
-+	WARN_ON_ONCE(fbinfo.pitch != fb->pitches[0]);
-+	WARN_ON_ONCE(fbinfo.base != bo->paddr + fb->offsets[0]);
- 
- 	/* If the CRTC is on (or going to be on) and we're enabled,
- 	 * then unblank.  Otherwise, stay blank until CRTC enable.
-@@ -332,10 +344,10 @@ static const struct drm_plane_helper_fun
- static struct drm_plane *vc4_fkms_plane_init(struct drm_device *dev,
- 					     enum drm_plane_type type)
- {
-+	/* Primary and cursor planes only */
- 	struct drm_plane *plane = NULL;
- 	struct vc4_fkms_plane *vc4_plane;
--	u32 xrgb8888 = DRM_FORMAT_XRGB8888;
--	u32 argb8888 = DRM_FORMAT_ARGB8888;
-+	u32 formats[] = {DRM_FORMAT_ARGB8888, DRM_FORMAT_XRGB8888};
- 	int ret = 0;
- 	bool primary = (type == DRM_PLANE_TYPE_PRIMARY);
- 	static const uint64_t modifiers[] = {
-@@ -357,22 +369,15 @@ static struct drm_plane *vc4_fkms_plane_
- 	plane = &vc4_plane->base;
- 	ret = drm_universal_plane_init(dev, plane, 0xff,
- 				       &vc4_plane_funcs,
--				       primary ? &xrgb8888 : &argb8888, 1,
--				       modifiers,
-+				       formats, primary ? 2 : 1, modifiers,
- 				       type, primary ? "primary" : "cursor");
- 
--	if (type == DRM_PLANE_TYPE_PRIMARY) {
--		vc4_plane->fbinfo =
--			dma_alloc_coherent(dev->dev,
--					   sizeof(*vc4_plane->fbinfo),
--					   &vc4_plane->fbinfo_bus_addr,
--					   GFP_KERNEL);
--		memset(vc4_plane->fbinfo, 0, sizeof(*vc4_plane->fbinfo));
--
-+	if (type == DRM_PLANE_TYPE_PRIMARY)
- 		drm_plane_helper_add(plane, &vc4_primary_plane_helper_funcs);
--	} else {
-+	else
- 		drm_plane_helper_add(plane, &vc4_cursor_plane_helper_funcs);
--	}
-+
-+	drm_plane_create_alpha_property(plane);
- 
- 	return plane;
- fail:
---- a/include/soc/bcm2835/raspberrypi-firmware.h
-+++ b/include/soc/bcm2835/raspberrypi-firmware.h
-@@ -111,9 +111,15 @@ enum rpi_firmware_property_tag {
- 	RPI_FIRMWARE_FRAMEBUFFER_GET_VIRTUAL_OFFSET =         0x00040009,
- 	RPI_FIRMWARE_FRAMEBUFFER_GET_OVERSCAN =               0x0004000a,
- 	RPI_FIRMWARE_FRAMEBUFFER_GET_PALETTE =                0x0004000b,
-+	RPI_FIRMWARE_FRAMEBUFFER_GET_LAYER =                  0x0004000c,
-+	RPI_FIRMWARE_FRAMEBUFFER_GET_TRANSFORM =              0x0004000d,
-+	RPI_FIRMWARE_FRAMEBUFFER_GET_VSYNC =                  0x0004000e,
- 	RPI_FIRMWARE_FRAMEBUFFER_GET_TOUCHBUF =               0x0004000f,
- 	RPI_FIRMWARE_FRAMEBUFFER_GET_GPIOVIRTBUF =            0x00040010,
- 	RPI_FIRMWARE_FRAMEBUFFER_RELEASE =                    0x00048001,
-+	RPI_FIRMWARE_FRAMEBUFFER_SET_DISPLAY_NUM =            0x00048013,
-+	RPI_FIRMWARE_FRAMEBUFFER_GET_NUM_DISPLAYS =           0x00040013,
-+	RPI_FIRMWARE_FRAMEBUFFER_GET_DISPLAY_SETTINGS =       0x00040014,
- 	RPI_FIRMWARE_FRAMEBUFFER_TEST_PHYSICAL_WIDTH_HEIGHT = 0x00044003,
- 	RPI_FIRMWARE_FRAMEBUFFER_TEST_VIRTUAL_WIDTH_HEIGHT =  0x00044004,
- 	RPI_FIRMWARE_FRAMEBUFFER_TEST_DEPTH =                 0x00044005,
-@@ -122,6 +128,8 @@ enum rpi_firmware_property_tag {
- 	RPI_FIRMWARE_FRAMEBUFFER_TEST_VIRTUAL_OFFSET =        0x00044009,
- 	RPI_FIRMWARE_FRAMEBUFFER_TEST_OVERSCAN =              0x0004400a,
- 	RPI_FIRMWARE_FRAMEBUFFER_TEST_PALETTE =               0x0004400b,
-+	RPI_FIRMWARE_FRAMEBUFFER_TEST_LAYER =                 0x0004400c,
-+	RPI_FIRMWARE_FRAMEBUFFER_TEST_TRANSFORM =             0x0004400d,
- 	RPI_FIRMWARE_FRAMEBUFFER_TEST_VSYNC =                 0x0004400e,
- 	RPI_FIRMWARE_FRAMEBUFFER_SET_PHYSICAL_WIDTH_HEIGHT =  0x00048003,
- 	RPI_FIRMWARE_FRAMEBUFFER_SET_VIRTUAL_WIDTH_HEIGHT =   0x00048004,
-@@ -134,6 +142,8 @@ enum rpi_firmware_property_tag {
- 	RPI_FIRMWARE_FRAMEBUFFER_SET_TOUCHBUF =               0x0004801f,
- 	RPI_FIRMWARE_FRAMEBUFFER_SET_GPIOVIRTBUF =            0x00048020,
- 	RPI_FIRMWARE_FRAMEBUFFER_SET_VSYNC =                  0x0004800e,
-+	RPI_FIRMWARE_FRAMEBUFFER_SET_LAYER =                  0x0004800c,
-+	RPI_FIRMWARE_FRAMEBUFFER_SET_TRANSFORM =              0x0004800d,
- 	RPI_FIRMWARE_FRAMEBUFFER_SET_BACKLIGHT =              0x0004800f,
- 
- 	RPI_FIRMWARE_VCHIQ_INIT =                             0x00048010,