From: CK Hu ck.hu@mediatek.com

Add an interface to allocate MediaTek GEM buffers, allow the IOCTLs to be used by render nodes. This patch also sets the RENDER driver feature.

Signed-off-by: CK Hu ck.hu@mediatek.com Signed-off-by: Nicolas Boichat drinkcat@chromium.org Signed-off-by: Philipp Zabel p.zabel@pengutronix.de Signed-off-by: Jason-JH.Lin jason-jh.lin@mediatek.com Reviewed-by: Daniel Kurtz djkurtz@chromium.org Reviewed-by: Nicolas Boichat drinkcat@chromium.org Tested-by: Daniel Kurtz djkurtz@chromium.org Tested-by: Pi-Hsun Shih pihsun@chromium.org

--- drivers/gpu/drm/mediatek/mtk_drm_drv.c | 13 ++++++ drivers/gpu/drm/mediatek/mtk_drm_gem.c | 39 +++++++++++++++++ drivers/gpu/drm/mediatek/mtk_drm_gem.h | 12 ++++++ include/uapi/drm/mediatek_drm.h | 58 ++++++++++++++++++++++++++ 4 files changed, 122 insertions(+) create mode 100644 include/uapi/drm/mediatek_drm.h

diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c index 93552d76b6e7..e3e9dbdf265b 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c @@ -24,6 +24,7 @@ #include <drm/drm_of.h> #include <drm/drm_probe_helper.h> #include <drm/drm_vblank.h> +#include <drm/mediatek_drm.h>

#include "mtk_drm_crtc.h" #include "mtk_drm_ddp_comp.h" @@ -541,6 +542,14 @@ static void mtk_drm_kms_deinit(struct drm_device *drm) component_unbind_all(drm->dev, drm); }

+static const struct drm_ioctl_desc mtk_ioctls[] = { + DRM_IOCTL_DEF_DRV(MTK_GEM_CREATE, mtk_gem_create_ioctl, + DRM_UNLOCKED | DRM_AUTH | DRM_RENDER_ALLOW), + DRM_IOCTL_DEF_DRV(MTK_GEM_MAP_OFFSET, + mtk_gem_map_offset_ioctl, + DRM_UNLOCKED | DRM_AUTH | DRM_RENDER_ALLOW), +}; + DEFINE_DRM_GEM_FOPS(mtk_drm_fops);

/* @@ -562,6 +571,10 @@ static const struct drm_driver mtk_drm_driver = {

.gem_prime_import = mtk_drm_gem_prime_import, .gem_prime_import_sg_table = mtk_gem_prime_import_sg_table, + + .ioctls = mtk_ioctls, + .num_ioctls = ARRAY_SIZE(mtk_ioctls), + .fops = &mtk_drm_fops,

.name = DRIVER_NAME, diff --git a/drivers/gpu/drm/mediatek/mtk_drm_gem.c b/drivers/gpu/drm/mediatek/mtk_drm_gem.c index 9f364df52478..bcce723f257d 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_gem.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_gem.c @@ -4,6 +4,7 @@ */

#include <linux/dma-buf.h> +#include <drm/mediatek_drm.h>

#include <drm/drm.h> #include <drm/drm_device.h> @@ -272,3 +273,41 @@ void mtk_drm_gem_prime_vunmap(struct drm_gem_object *obj, mtk_gem->kvaddr = NULL; kfree(mtk_gem->pages); } + +int mtk_gem_map_offset_ioctl(struct drm_device *drm, void *data, + struct drm_file *file_priv) +{ + struct drm_mtk_gem_map_off *args = data; + + return drm_gem_dumb_map_offset(file_priv, drm, args->handle, + &args->offset); +} + +int mtk_gem_create_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv) +{ + struct mtk_drm_gem_obj *mtk_gem; + struct drm_mtk_gem_create *args = data; + int ret; + + mtk_gem = mtk_drm_gem_create(dev, args->size, false); + if (IS_ERR(mtk_gem)) + return PTR_ERR(mtk_gem); + + /* + * allocate a id of idr table where the obj is registered + * and handle has the id what user can see. + */ + ret = drm_gem_handle_create(file_priv, &mtk_gem->base, &args->handle); + if (ret) + goto err_handle_create; + + /* drop reference from allocate - handle holds it now. */ + drm_gem_object_put(&mtk_gem->base); + + return 0; + +err_handle_create: + mtk_drm_gem_free_object(&mtk_gem->base); + return ret; +} diff --git a/drivers/gpu/drm/mediatek/mtk_drm_gem.h b/drivers/gpu/drm/mediatek/mtk_drm_gem.h index 78f23b07a02e..90f3d2916ec5 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_gem.h +++ b/drivers/gpu/drm/mediatek/mtk_drm_gem.h @@ -46,4 +46,16 @@ int mtk_drm_gem_prime_vmap(struct drm_gem_object *obj, struct iosys_map *map); void mtk_drm_gem_prime_vunmap(struct drm_gem_object *obj, struct iosys_map *map);

+/* + * request gem object creation and buffer allocation as the size + * that it is calculated with framebuffer information such as width, + * height and bpp. + */ +int mtk_gem_create_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); + +/* get buffer offset to map to user space. */ +int mtk_gem_map_offset_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); + #endif diff --git a/include/uapi/drm/mediatek_drm.h b/include/uapi/drm/mediatek_drm.h new file mode 100644 index 000000000000..c050de320a84 --- /dev/null +++ b/include/uapi/drm/mediatek_drm.h @@ -0,0 +1,58 @@ +/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ +/* + * Copyright (c) 2015 MediaTek Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef _UAPI_MEDIATEK_DRM_H +#define _UAPI_MEDIATEK_DRM_H + +#include <drm/drm.h> + +/** + * User-desired buffer creation information structure. + * + * @size: user-desired memory allocation size. + * - this size value would be page-aligned internally. + * @flags: user request for setting memory type or cache attributes. + * @handle: returned a handle to created gem object. + * - this handle will be set by gem module of kernel side. + */ +struct drm_mtk_gem_create { + uint64_t size; + uint32_t flags; + uint32_t handle; +}; + +/** + * A structure for getting buffer offset. + * + * @handle: a pointer to gem object created. + * @pad: just padding to be 64-bit aligned. + * @offset: relatived offset value of the memory region allocated. + * - this value should be set by user. + */ +struct drm_mtk_gem_map_off { + uint32_t handle; + uint32_t pad; + uint64_t offset; +}; + +#define DRM_MTK_GEM_CREATE 0x00 +#define DRM_MTK_GEM_MAP_OFFSET 0x01 + +#define DRM_IOCTL_MTK_GEM_CREATE DRM_IOWR(DRM_COMMAND_BASE + \ + DRM_MTK_GEM_CREATE, struct drm_mtk_gem_create) + +#define DRM_IOCTL_MTK_GEM_MAP_OFFSET DRM_IOWR(DRM_COMMAND_BASE + \ + DRM_MTK_GEM_MAP_OFFSET, struct drm_mtk_gem_map_off) + +#endif /* _UAPI_MEDIATEK_DRM_H */

Add DRM_MTK_GEM_CREATED_ENCRYPTTED flag to allocate a secure buffer to support secure video path feature.

Signed-off-by: Jason-JH.Lin jason-jh.lin@mediatek.com --- include/uapi/drm/mediatek_drm.h | 1 + 1 file changed, 1 insertion(+)

diff --git a/include/uapi/drm/mediatek_drm.h b/include/uapi/drm/mediatek_drm.h index c050de320a84..93f25e0c21d7 100644 --- a/include/uapi/drm/mediatek_drm.h +++ b/include/uapi/drm/mediatek_drm.h @@ -48,6 +48,7 @@ struct drm_mtk_gem_map_off {

#define DRM_MTK_GEM_CREATE 0x00 #define DRM_MTK_GEM_MAP_OFFSET 0x01 +#define DRM_MTK_GEM_CREATE_ENCRYPTED 0x02

#define DRM_IOCTL_MTK_GEM_CREATE DRM_IOWR(DRM_COMMAND_BASE + \ DRM_MTK_GEM_CREATE, struct drm_mtk_gem_create)

Add secure buffer control flow to mtk_drm_gem.

When user space takes DRM_MTK_GEM_CREATE_ENCRYPTED flag and size to create a mtk_drm_gem object, mtk_drm_gem will find a matched size dma buffer from secure dma-heap and bind it to mtk_drm_gem object.

Signed-off-by: Jason-JH.Lin jason-jh.lin@mediatek.com --- drivers/gpu/drm/mediatek/mtk_drm_gem.c | 84 +++++++++++++++++++++++++- drivers/gpu/drm/mediatek/mtk_drm_gem.h | 4 ++ 2 files changed, 87 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/mediatek/mtk_drm_gem.c b/drivers/gpu/drm/mediatek/mtk_drm_gem.c index bcce723f257d..2064ccd7dde0 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_gem.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_gem.c @@ -4,6 +4,8 @@ */

#include <linux/dma-buf.h> +#include <linux/dma-heap.h> +#include <uapi/linux/dma-heap.h> #include <drm/mediatek_drm.h>

#include <drm/drm.h> @@ -55,6 +57,80 @@ static struct mtk_drm_gem_obj *mtk_drm_gem_init(struct drm_device *dev, return mtk_gem_obj; }

+struct mtk_drm_gem_obj *mtk_drm_gem_create_from_heap(struct drm_device *dev, + const char *heap, size_t size) +{ + struct mtk_drm_private *priv = dev->dev_private; + struct mtk_drm_gem_obj *mtk_gem; + struct drm_gem_object *obj; + struct dma_heap *dma_heap; + struct dma_buf *dma_buf; + struct dma_buf_attachment *attach; + struct sg_table *sgt; + struct iosys_map map = {}; + int ret; + + mtk_gem = mtk_drm_gem_init(dev, size); + if (IS_ERR(mtk_gem)) + return ERR_CAST(mtk_gem); + + obj = &mtk_gem->base; + + dma_heap = dma_heap_find(heap); + if (!dma_heap) { + DRM_ERROR("heap find fail\n"); + goto err_gem_free; + } + dma_buf = dma_heap_buffer_alloc(dma_heap, size, + O_RDWR | O_CLOEXEC, DMA_HEAP_VALID_HEAP_FLAGS); + if (IS_ERR(dma_buf)) { + DRM_ERROR("buffer alloc fail\n"); + dma_heap_put(dma_heap); + goto err_gem_free; + } + dma_heap_put(dma_heap); + + attach = dma_buf_attach(dma_buf, priv->dma_dev); + if (IS_ERR(attach)) { + DRM_ERROR("attach fail, return\n"); + dma_buf_put(dma_buf); + goto err_gem_free; + } + sgt = dma_buf_map_attachment(attach, DMA_BIDIRECTIONAL); + if (IS_ERR(sgt)) { + DRM_ERROR("map failed, detach and return\n"); + dma_buf_detach(dma_buf, attach); + dma_buf_put(dma_buf); + goto err_gem_free; + } + obj->import_attach = attach; + mtk_gem->dma_addr = sg_dma_address(sgt->sgl); + mtk_gem->sg = sgt; + mtk_gem->size = dma_buf->size; + + if (!strcmp(heap, "mtk_svp") || !strcmp(heap, "mtk_svp_cma")) { + /* secure buffer can not be mapped */ + mtk_gem->sec = true; + } else { + ret = dma_buf_vmap(dma_buf, &map); + mtk_gem->kvaddr = map.vaddr; + if (ret) { + DRM_ERROR("map failed, ret=%d\n", ret); + dma_buf_unmap_attachment(attach, sgt, DMA_BIDIRECTIONAL); + dma_buf_detach(dma_buf, attach); + dma_buf_put(dma_buf); + mtk_gem->kvaddr = NULL; + } + } + + return mtk_gem; + +err_gem_free: + drm_gem_object_release(obj); + kfree(mtk_gem); + return ERR_PTR(-ENOMEM); +} + struct mtk_drm_gem_obj *mtk_drm_gem_create(struct drm_device *dev, size_t size, bool alloc_kmap) { @@ -218,7 +294,9 @@ struct drm_gem_object *mtk_gem_prime_import_sg_table(struct drm_device *dev, if (IS_ERR(mtk_gem)) return ERR_CAST(mtk_gem);

+ mtk_gem->sec = !sg_page(sg->sgl); mtk_gem->dma_addr = sg_dma_address(sg->sgl); + mtk_gem->size = attach->dmabuf->size; mtk_gem->sg = sg;

return &mtk_gem->base; @@ -290,7 +368,11 @@ int mtk_gem_create_ioctl(struct drm_device *dev, void *data, struct drm_mtk_gem_create *args = data; int ret;

- mtk_gem = mtk_drm_gem_create(dev, args->size, false); + if (args->flags & DRM_MTK_GEM_CREATE_ENCRYPTED) + mtk_gem = mtk_drm_gem_create_from_heap(dev, "mtk_svp_cma", args->size); + else + mtk_gem = mtk_drm_gem_create(dev, args->size, false); + if (IS_ERR(mtk_gem)) return PTR_ERR(mtk_gem);

diff --git a/drivers/gpu/drm/mediatek/mtk_drm_gem.h b/drivers/gpu/drm/mediatek/mtk_drm_gem.h index 90f3d2916ec5..ed4d23e252e9 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_gem.h +++ b/drivers/gpu/drm/mediatek/mtk_drm_gem.h @@ -27,9 +27,11 @@ struct mtk_drm_gem_obj { void *cookie; void *kvaddr; dma_addr_t dma_addr; + size_t size; unsigned long dma_attrs; struct sg_table *sg; struct page **pages; + bool sec; };

#define to_mtk_gem_obj(x) container_of(x, struct mtk_drm_gem_obj, base) @@ -37,6 +39,8 @@ struct mtk_drm_gem_obj { void mtk_drm_gem_free_object(struct drm_gem_object *gem); struct mtk_drm_gem_obj *mtk_drm_gem_create(struct drm_device *dev, size_t size, bool alloc_kmap); +struct mtk_drm_gem_obj *mtk_drm_gem_create_from_heap(struct drm_device *dev, + const char *heap, size_t size); int mtk_drm_gem_dumb_create(struct drm_file *file_priv, struct drm_device *dev, struct drm_mode_create_dumb *args); struct sg_table *mtk_gem_prime_get_sg_table(struct drm_gem_object *obj);

Add is_sec flag to identify current mtk_drm_plane is secure. Add mtk_plane_is_sec_fb() to check current drm_framebuffer is secure.

Signed-off-by: Jason-JH.Lin jason-jh.lin@mediatek.com --- drivers/gpu/drm/mediatek/mtk_drm_plane.h | 2 ++ 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/mediatek/mtk_drm_plane.h b/drivers/gpu/drm/mediatek/mtk_drm_plane.h index 99aff7da0831..fe60e20a6e1c 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_plane.h +++ b/drivers/gpu/drm/mediatek/mtk_drm_plane.h @@ -33,6 +33,7 @@ struct mtk_plane_pending_state { bool async_dirty; bool async_config; enum drm_color_encoding color_encoding; + bool is_sec; };

struct mtk_plane_state { @@ -46,6 +47,7 @@ to_mtk_plane_state(struct drm_plane_state *state) return container_of(state, struct mtk_plane_state, base); }

+bool mtk_plane_fb_is_secure(struct drm_framebuffer *fb); int mtk_plane_init(struct drm_device *dev, struct drm_plane *plane, unsigned long possible_crtcs, enum drm_plane_type type, unsigned int supported_rotations, const u32 *formats,

Add secure layer config support for ovl.

Signed-off-by: Jason-JH.Lin jason-jh.lin@mediatek.com --- drivers/gpu/drm/mediatek/mtk_disp_drv.h | 3 ++ drivers/gpu/drm/mediatek/mtk_disp_ovl.c | 31 +++++++++++++++++-- .../gpu/drm/mediatek/mtk_disp_ovl_adaptor.c | 12 +++++++ drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 2 ++ 4 files changed, 46 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/mediatek/mtk_disp_drv.h b/drivers/gpu/drm/mediatek/mtk_disp_drv.h index 2254038519e1..dec937b183a8 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_drv.h +++ b/drivers/gpu/drm/mediatek/mtk_disp_drv.h @@ -9,6 +9,7 @@ #include <linux/soc/mediatek/mtk-cmdq.h> #include <linux/soc/mediatek/mtk-mmsys.h> #include <linux/soc/mediatek/mtk-mutex.h> +#include "mtk_drm_ddp_comp.h" #include "mtk_drm_plane.h" #include "mtk_mdp_rdma.h"

@@ -79,6 +80,7 @@ void mtk_ovl_clk_disable(struct device *dev); void mtk_ovl_config(struct device *dev, unsigned int w, unsigned int h, unsigned int vrefresh, unsigned int bpc, struct cmdq_pkt *cmdq_pkt); +u64 mtk_ovl_get_sec_port(struct mtk_ddp_comp *comp, unsigned int idx); int mtk_ovl_layer_check(struct device *dev, unsigned int idx, struct mtk_plane_state *mtk_state); void mtk_ovl_layer_config(struct device *dev, unsigned int idx, @@ -112,6 +114,7 @@ void mtk_ovl_adaptor_clk_disable(struct device *dev); void mtk_ovl_adaptor_config(struct device *dev, unsigned int w, unsigned int h, unsigned int vrefresh, unsigned int bpc, struct cmdq_pkt *cmdq_pkt); +u64 mtk_ovl_adaptor_get_sec_port(struct mtk_ddp_comp *comp, unsigned int idx); void mtk_ovl_adaptor_layer_config(struct device *dev, unsigned int idx, struct mtk_plane_state *state, struct cmdq_pkt *cmdq_pkt); diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c index 2bffe4245466..76e832e4875a 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c @@ -46,6 +46,7 @@ #define DISP_REG_OVL_ADDR(ovl, n) ((ovl)->data->addr + 0x20 * (n)) #define DISP_REG_OVL_HDR_ADDR(ovl, n) ((ovl)->data->addr + 0x20 * (n) + 0x04) #define DISP_REG_OVL_HDR_PITCH(ovl, n) ((ovl)->data->addr + 0x20 * (n) + 0x08) +#define DISP_REG_OVL_SECURE 0x0fc0

#define GMC_THRESHOLD_BITS 16 #define GMC_THRESHOLD_HIGH ((1 << GMC_THRESHOLD_BITS) / 4) @@ -126,8 +127,19 @@ struct mtk_disp_ovl { const struct mtk_disp_ovl_data *data; void (*vblank_cb)(void *data); void *vblank_cb_data; + resource_size_t regs_pa; };

+u64 mtk_ovl_get_sec_port(struct mtk_ddp_comp *comp, unsigned int idx) +{ + if (comp->id == DDP_COMPONENT_OVL0) + return 1ULL << CMDQ_SEC_DISP_OVL0; + else if (comp->id == DDP_COMPONENT_OVL1) + return 1ULL << CMDQ_SEC_DISP_OVL1; + + return 0; +} + static irqreturn_t mtk_disp_ovl_irq_handler(int irq, void *dev_id) { struct mtk_disp_ovl *priv = dev_id; @@ -449,8 +461,22 @@ void mtk_ovl_layer_config(struct device *dev, unsigned int idx, DISP_REG_OVL_SRC_SIZE(idx)); mtk_ddp_write_relaxed(cmdq_pkt, offset, &ovl->cmdq_reg, ovl->regs, DISP_REG_OVL_OFFSET(idx)); - mtk_ddp_write_relaxed(cmdq_pkt, addr, &ovl->cmdq_reg, ovl->regs, - DISP_REG_OVL_ADDR(ovl, idx)); + + if (state->pending.is_sec) { + const struct drm_format_info *fmt_info = drm_format_info(fmt); + unsigned int buf_size = (pending->height - 1) * pending->pitch + + pending->width * fmt_info->cpp[0]; + + mtk_ddp_write_mask(cmdq_pkt, BIT(idx), &ovl->cmdq_reg, ovl->regs, + DISP_REG_OVL_SECURE, BIT(idx)); + mtk_ddp_sec_write(cmdq_pkt, ovl->regs_pa + DISP_REG_OVL_ADDR(ovl, idx), + pending->addr, CMDQ_IWC_H_2_MVA, 0, buf_size, 0); + } else { + mtk_ddp_write_mask(cmdq_pkt, 0, &ovl->cmdq_reg, ovl->regs, + DISP_REG_OVL_SECURE, BIT(idx)); + mtk_ddp_write_relaxed(cmdq_pkt, addr, &ovl->cmdq_reg, ovl->regs, + DISP_REG_OVL_ADDR(ovl, idx)); + }

if (is_afbc) { mtk_ddp_write_relaxed(cmdq_pkt, hdr_addr, &ovl->cmdq_reg, ovl->regs, @@ -529,6 +555,7 @@ static int mtk_disp_ovl_probe(struct platform_device *pdev) }

res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + priv->regs_pa = res->start; priv->regs = devm_ioremap_resource(dev, res); if (IS_ERR(priv->regs)) { dev_err(dev, "failed to ioremap ovl\n"); diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c index 6bf6367853fb..28a0bccfb0b9 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c @@ -83,6 +83,18 @@ static const struct ovl_adaptor_comp_match comp_matches[OVL_ADAPTOR_ID_MAX] = { [OVL_ADAPTOR_ETHDR0] = { OVL_ADAPTOR_TYPE_ETHDR, 0 }, };

+static const u64 ovl_adaptor_sec_port[] = { + 1ULL << CMDQ_SEC_VDO1_DISP_RDMA_L0, + 1ULL << CMDQ_SEC_VDO1_DISP_RDMA_L1, + 1ULL << CMDQ_SEC_VDO1_DISP_RDMA_L2, + 1ULL << CMDQ_SEC_VDO1_DISP_RDMA_L3, +}; + +u64 mtk_ovl_adaptor_get_sec_port(struct mtk_ddp_comp *comp, unsigned int idx) +{ + return ovl_adaptor_sec_port[idx]; +} + void mtk_ovl_adaptor_layer_config(struct device *dev, unsigned int idx, struct mtk_plane_state *state, struct cmdq_pkt *cmdq_pkt) diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c index 3dca936b9143..eec3a1cc2ed4 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c @@ -373,6 +373,7 @@ static const struct mtk_ddp_comp_funcs ddp_ovl = { .bgclr_in_off = mtk_ovl_bgclr_in_off, .get_formats = mtk_ovl_get_formats, .get_num_formats = mtk_ovl_get_num_formats, + .get_sec_port = mtk_ovl_get_sec_port, };

static const struct mtk_ddp_comp_funcs ddp_postmask = { @@ -424,6 +425,7 @@ static const struct mtk_ddp_comp_funcs ddp_ovl_adaptor = { .remove = mtk_ovl_adaptor_remove_comp, .get_formats = mtk_ovl_adaptor_get_formats, .get_num_formats = mtk_ovl_adaptor_get_num_formats, + .get_sec_port = mtk_ovl_adaptor_get_sec_port, };

static const char * const mtk_ddp_comp_stem[MTK_DDP_COMP_TYPE_MAX] = {

Add secure layer config support for ovl_adaptor and sub driver mdp_rdma.

Signed-off-by: Jason-JH.Lin jason-jh.lin@mediatek.com --- drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c | 3 +++ drivers/gpu/drm/mediatek/mtk_mdp_rdma.c | 11 ++++++++--- drivers/gpu/drm/mediatek/mtk_mdp_rdma.h | 2 ++ 3 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c index 28a0bccfb0b9..274961222672 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c @@ -153,6 +153,9 @@ void mtk_ovl_adaptor_layer_config(struct device *dev, unsigned int idx, rdma_config.pitch = pending->pitch; rdma_config.fmt = pending->format; rdma_config.color_encoding = pending->color_encoding; + rdma_config.source_size = (pending->height - 1) * pending->pitch + + pending->width * fmt_info->cpp[0]; + rdma_config.is_sec = state->pending.is_sec; mtk_mdp_rdma_config(rdma_l, &rdma_config, cmdq_pkt);

if (use_dual_pipe) { diff --git a/drivers/gpu/drm/mediatek/mtk_mdp_rdma.c b/drivers/gpu/drm/mediatek/mtk_mdp_rdma.c index c3adaeefd551..1c4798e3bbc3 100644 --- a/drivers/gpu/drm/mediatek/mtk_mdp_rdma.c +++ b/drivers/gpu/drm/mediatek/mtk_mdp_rdma.c @@ -94,6 +94,7 @@ struct mtk_mdp_rdma { void __iomem *regs; struct clk *clk; struct cmdq_client_reg cmdq_reg; + resource_size_t regs_pa; };

static unsigned int rdma_fmt_convert(unsigned int fmt) @@ -198,9 +199,12 @@ void mtk_mdp_rdma_config(struct device *dev, struct mtk_mdp_rdma_cfg *cfg, else mtk_ddp_write_mask(cmdq_pkt, 0, &priv->cmdq_reg, priv->regs, MDP_RDMA_SRC_CON, FLD_OUTPUT_ARGB); - - mtk_ddp_write_mask(cmdq_pkt, cfg->addr0, &priv->cmdq_reg, priv->regs, - MDP_RDMA_SRC_BASE_0, FLD_SRC_BASE_0); + if (cfg->is_sec) + mtk_ddp_sec_write(cmdq_pkt, priv->regs_pa + MDP_RDMA_SRC_BASE_0, + cfg->addr0, CMDQ_IWC_H_2_MVA, 0, cfg->source_size, 0); + else + mtk_ddp_write_mask(cmdq_pkt, cfg->addr0, &priv->cmdq_reg, priv->regs, + MDP_RDMA_SRC_BASE_0, FLD_SRC_BASE_0);

mtk_ddp_write_mask(cmdq_pkt, src_pitch_y, &priv->cmdq_reg, priv->regs, MDP_RDMA_MF_BKGD_SIZE_IN_BYTE, FLD_MF_BKGD_WB); @@ -285,6 +289,7 @@ static int mtk_mdp_rdma_probe(struct platform_device *pdev) return -ENOMEM;

res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + priv->regs_pa = res->start; priv->regs = devm_ioremap_resource(dev, res); if (IS_ERR(priv->regs)) { dev_err(dev, "failed to ioremap rdma\n"); diff --git a/drivers/gpu/drm/mediatek/mtk_mdp_rdma.h b/drivers/gpu/drm/mediatek/mtk_mdp_rdma.h index 9943ee3aac31..9add18e96319 100644 --- a/drivers/gpu/drm/mediatek/mtk_mdp_rdma.h +++ b/drivers/gpu/drm/mediatek/mtk_mdp_rdma.h @@ -15,6 +15,8 @@ struct mtk_mdp_rdma_cfg { unsigned int y_top; int fmt; int color_encoding; + unsigned int source_size; + unsigned int is_sec; };

#endif // __MTK_MDP_RDMA_H__

To add secure flow support for mediatek-drm, each crtc have to create a secure cmdq mailbox channel. Then cmdq packets with display HW configuration will be sent to secure cmdq mailbox channel and configured in the secure world.

Each crtc have to use secure cmdq interface to configure some secure settings for display HW before sending cmdq packets to secure cmdq mailbox channel.

If any of fb get from current drm_atomic_state is secure, then crtc will switch to the secure flow to configure display HW. If all fbs are not secure in current drm_atomic_state, then crtc will switch to the normal flow.

Signed-off-by: Jason-JH.Lin jason-jh.lin@mediatek.com --- drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 272 ++++++++++++++++++++++- drivers/gpu/drm/mediatek/mtk_drm_crtc.h | 1 + drivers/gpu/drm/mediatek/mtk_drm_plane.c | 7 + 3 files changed, 269 insertions(+), 11 deletions(-)

diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c index b6fa4ad2f94d..6c2cf339b923 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c @@ -56,6 +56,11 @@ struct mtk_drm_crtc { u32 cmdq_event; u32 cmdq_vblank_cnt; wait_queue_head_t cb_blocking_queue; + + struct cmdq_client sec_cmdq_client; + struct cmdq_pkt sec_cmdq_handle; + bool sec_cmdq_working; + wait_queue_head_t sec_cb_blocking_queue; #endif

struct device *mmsys_dev; @@ -67,6 +72,7 @@ struct mtk_drm_crtc { /* lock for display hardware access */ struct mutex hw_lock; bool config_updating; + bool sec_on; };

struct mtk_crtc_state { @@ -109,6 +115,154 @@ static void mtk_drm_finish_page_flip(struct mtk_drm_crtc *mtk_crtc) } }

+void mtk_crtc_disable_secure_state(struct drm_crtc *crtc) +{ +#if IS_REACHABLE(CONFIG_MTK_CMDQ) + enum cmdq_sec_scenario sec_scn = CMDQ_MAX_SEC_COUNT; + int i; + struct mtk_ddp_comp *ddp_first_comp; + struct mtk_drm_crtc *mtk_crtc = to_mtk_crtc(crtc); + u64 sec_engine = 0; /* for hw engine write output secure fb */ + u64 sec_port = 0; /* for larb port read input secure fb */ + + mutex_lock(&mtk_crtc->hw_lock); + + if (!mtk_crtc->sec_cmdq_client.chan) { + pr_err("crtc-%d secure mbox channel is NULL\n", drm_crtc_index(crtc)); + goto err; + } + + if (!mtk_crtc->sec_on) { + pr_debug("crtc-%d is already disabled!\n", drm_crtc_index(crtc)); + goto err; + } + + mbox_flush(mtk_crtc->sec_cmdq_client.chan, 0); + mtk_crtc->sec_cmdq_handle.cmd_buf_size = 0; + + if (mtk_crtc->sec_cmdq_handle.sec_data) { + struct cmdq_sec_data *sec_data; + + sec_data = mtk_crtc->sec_cmdq_handle.sec_data; + sec_data->addrMetadataCount = 0; + sec_data->addrMetadatas = (uintptr_t)NULL; + } + + /* + * Secure path only support DL mode, so we just wait + * the first path frame done here + */ + cmdq_pkt_wfe(&mtk_crtc->sec_cmdq_handle, mtk_crtc->cmdq_event, false); + + ddp_first_comp = mtk_crtc->ddp_comp[0]; + for (i = 0; i < mtk_crtc->layer_nr; i++) { + struct drm_plane *plane = &mtk_crtc->planes[i]; + + sec_port |= mtk_ddp_comp_layer_get_sec_port(ddp_first_comp, i); + + /* make sure secure layer off before switching secure state */ + if (!mtk_plane_fb_is_secure(plane->state->fb)) { + struct mtk_plane_state *plane_state = to_mtk_plane_state(plane->state); + + plane_state->pending.enable = false; + mtk_ddp_comp_layer_config(ddp_first_comp, i, plane_state, + &mtk_crtc->sec_cmdq_handle); + } + } + + /* Disable secure path */ + if (drm_crtc_index(crtc) == 0) + sec_scn = CMDQ_SEC_PRIMARY_DISP_DISABLE; + else if (drm_crtc_index(crtc) == 1) + sec_scn = CMDQ_SEC_SUB_DISP_DISABLE; + + cmdq_sec_pkt_set_data(&mtk_crtc->sec_cmdq_handle, sec_engine, sec_engine, sec_scn); + + cmdq_pkt_finalize(&mtk_crtc->sec_cmdq_handle); + dma_sync_single_for_device(mtk_crtc->sec_cmdq_client.chan->mbox->dev, + mtk_crtc->sec_cmdq_handle.pa_base, + mtk_crtc->sec_cmdq_handle.cmd_buf_size, + DMA_TO_DEVICE); + + mtk_crtc->sec_cmdq_working = true; + mbox_send_message(mtk_crtc->sec_cmdq_client.chan, &mtk_crtc->sec_cmdq_handle); + mbox_client_txdone(mtk_crtc->sec_cmdq_client.chan, 0); + + // Wait for sec state to be disabled by cmdq + wait_event_timeout(mtk_crtc->sec_cb_blocking_queue, + !mtk_crtc->sec_cmdq_working, + msecs_to_jiffies(500)); + + mtk_crtc->sec_on = false; + pr_debug("crtc-%d disable secure plane!\n", drm_crtc_index(crtc)); + +err: + mutex_unlock(&mtk_crtc->hw_lock); +#endif +} + +#if IS_REACHABLE(CONFIG_MTK_CMDQ) +static void mtk_crtc_enable_secure_state(struct drm_crtc *crtc) +{ + enum cmdq_sec_scenario sec_scn = CMDQ_MAX_SEC_COUNT; + int i; + struct mtk_ddp_comp *ddp_first_comp; + struct mtk_drm_crtc *mtk_crtc = to_mtk_crtc(crtc); + u64 sec_engine = 0; /* for hw engine write output secure fb */ + u64 sec_port = 0; /* for larb port read input secure fb */ + + cmdq_pkt_wfe(&mtk_crtc->sec_cmdq_handle, mtk_crtc->cmdq_event, false); + + ddp_first_comp = mtk_crtc->ddp_comp[0]; + for (i = 0; i < mtk_crtc->layer_nr; i++) + if (mtk_crtc->planes[i].type == DRM_PLANE_TYPE_CURSOR) + sec_port |= mtk_ddp_comp_layer_get_sec_port(ddp_first_comp, i); + + if (drm_crtc_index(crtc) == 0) + sec_scn = CMDQ_SEC_PRIMARY_DISP; + else if (drm_crtc_index(crtc) == 1) + sec_scn = CMDQ_SEC_SUB_DISP; + + cmdq_sec_pkt_set_data(&mtk_crtc->sec_cmdq_handle, sec_engine, sec_port, sec_scn); + + pr_debug("crtc-%d enable secure plane!\n", drm_crtc_index(crtc)); +} +#endif + +static void mtk_drm_crtc_plane_switch_sec_state(struct drm_crtc *crtc, + struct drm_atomic_state *state) +{ +#if IS_REACHABLE(CONFIG_MTK_CMDQ) + bool sec_on[MAX_CRTC] = {0}; + int i; + struct drm_crtc_state *crtc_state; + struct mtk_drm_crtc *mtk_crtc = to_mtk_crtc(crtc); + struct drm_plane *plane; + struct drm_plane_state *old_plane_state; + + for_each_old_plane_in_state(state, plane, old_plane_state, i) { + if (!plane->state->crtc) + continue; + + if (plane->state->fb && + mtk_plane_fb_is_secure(plane->state->fb) && + mtk_crtc->sec_cmdq_client.chan) + sec_on[drm_crtc_index(plane->state->crtc)] = true; + } + + for_each_old_crtc_in_state(state, crtc, crtc_state, i) { + mtk_crtc = to_mtk_crtc(crtc); + + if (!sec_on[i]) + mtk_crtc_disable_secure_state(crtc); + + mutex_lock(&mtk_crtc->hw_lock); + mtk_crtc->sec_on = true; + mutex_unlock(&mtk_crtc->hw_lock); + } +#endif +} + #if IS_REACHABLE(CONFIG_MTK_CMDQ) static int mtk_drm_cmdq_pkt_create(struct cmdq_client *client, struct cmdq_pkt *pkt, size_t size) @@ -144,22 +298,33 @@ static void mtk_drm_cmdq_pkt_destroy(struct cmdq_pkt *pkt) dma_unmap_single(client->chan->mbox->dev, pkt->pa_base, pkt->buf_size, DMA_TO_DEVICE); kfree(pkt->va_base); + kfree(pkt->sec_data); } #endif

static void mtk_drm_crtc_destroy(struct drm_crtc *crtc) { struct mtk_drm_crtc *mtk_crtc = to_mtk_crtc(crtc); + struct mtk_drm_private *priv = crtc->dev->dev_private; int i;

+ priv = priv->all_drm_private[drm_crtc_index(crtc)]; + mtk_mutex_put(mtk_crtc->mutex); #if IS_REACHABLE(CONFIG_MTK_CMDQ) mtk_drm_cmdq_pkt_destroy(&mtk_crtc->cmdq_handle); + mtk_drm_cmdq_pkt_destroy(&mtk_crtc->sec_cmdq_handle);

if (mtk_crtc->cmdq_client.chan) { mbox_free_channel(mtk_crtc->cmdq_client.chan); mtk_crtc->cmdq_client.chan = NULL; } + + if (mtk_crtc->sec_cmdq_client.chan) { + device_link_remove(priv->dev, mtk_crtc->sec_cmdq_client.chan->mbox->dev); + mbox_free_channel(mtk_crtc->sec_cmdq_client.chan); + mtk_crtc->sec_cmdq_client.chan = NULL; + } #endif

for (i = 0; i < mtk_crtc->ddp_comp_nr; i++) { @@ -286,13 +451,18 @@ static void ddp_cmdq_cb(struct mbox_client *cl, void *mssg) { struct cmdq_cb_data *data = mssg; struct cmdq_client *cmdq_cl = container_of(cl, struct cmdq_client, client); - struct mtk_drm_crtc *mtk_crtc = container_of(cmdq_cl, struct mtk_drm_crtc, cmdq_client); + struct mtk_drm_crtc *mtk_crtc; struct mtk_crtc_state *state; unsigned int i;

if (data->sta < 0) return;

+ if (!data->pkt || !data->pkt->sec_data) + mtk_crtc = container_of(cmdq_cl, struct mtk_drm_crtc, cmdq_client); + else + mtk_crtc = container_of(cmdq_cl, struct mtk_drm_crtc, sec_cmdq_client); + state = to_mtk_crtc_state(mtk_crtc->base.state);

state->pending_config = false; @@ -321,6 +491,11 @@ static void ddp_cmdq_cb(struct mbox_client *cl, void *mssg) mtk_crtc->pending_async_planes = false; }

+ if (mtk_crtc->sec_cmdq_working) { + mtk_crtc->sec_cmdq_working = false; + wake_up(&mtk_crtc->sec_cb_blocking_queue); + } + mtk_crtc->cmdq_vblank_cnt = 0; wake_up(&mtk_crtc->cb_blocking_queue); } @@ -544,7 +719,8 @@ static void mtk_drm_crtc_update_config(struct mtk_drm_crtc *mtk_crtc, bool needs_vblank) { #if IS_REACHABLE(CONFIG_MTK_CMDQ) - struct cmdq_pkt *cmdq_handle = &mtk_crtc->cmdq_handle; + struct cmdq_client cmdq_client; + struct cmdq_pkt *cmdq_handle; #endif struct drm_crtc *crtc = &mtk_crtc->base; struct mtk_drm_private *priv = crtc->dev->dev_private; @@ -582,14 +758,36 @@ static void mtk_drm_crtc_update_config(struct mtk_drm_crtc *mtk_crtc, mtk_mutex_release(mtk_crtc->mutex); } #if IS_REACHABLE(CONFIG_MTK_CMDQ) - if (mtk_crtc->cmdq_client.chan) { + if (mtk_crtc->sec_on) { + mbox_flush(mtk_crtc->sec_cmdq_client.chan, 0); + mtk_crtc->sec_cmdq_handle.cmd_buf_size = 0; + + if (mtk_crtc->sec_cmdq_handle.sec_data) { + struct cmdq_sec_data *sec_data; + + sec_data = mtk_crtc->sec_cmdq_handle.sec_data; + sec_data->addrMetadataCount = 0; + sec_data->addrMetadatas = (uintptr_t)NULL; + } + + mtk_crtc_enable_secure_state(crtc); + + cmdq_client = mtk_crtc->sec_cmdq_client; + cmdq_handle = &mtk_crtc->sec_cmdq_handle; + } else if (mtk_crtc->cmdq_client.chan) { mbox_flush(mtk_crtc->cmdq_client.chan, 2000); - cmdq_handle->cmd_buf_size = 0; + mtk_crtc->cmdq_handle.cmd_buf_size = 0; + + cmdq_client = mtk_crtc->cmdq_client; + cmdq_handle = &mtk_crtc->cmdq_handle; + } + + if (cmdq_client.chan) { cmdq_pkt_clear_event(cmdq_handle, mtk_crtc->cmdq_event); cmdq_pkt_wfe(cmdq_handle, mtk_crtc->cmdq_event, false); mtk_crtc_ddp_config(crtc, cmdq_handle); cmdq_pkt_finalize(cmdq_handle); - dma_sync_single_for_device(mtk_crtc->cmdq_client.chan->mbox->dev, + dma_sync_single_for_device(cmdq_client.chan->mbox->dev, cmdq_handle->pa_base, cmdq_handle->cmd_buf_size, DMA_TO_DEVICE); @@ -602,8 +800,8 @@ static void mtk_drm_crtc_update_config(struct mtk_drm_crtc *mtk_crtc, */ mtk_crtc->cmdq_vblank_cnt = 3;

- mbox_send_message(mtk_crtc->cmdq_client.chan, cmdq_handle); - mbox_client_txdone(mtk_crtc->cmdq_client.chan, 0); + mbox_send_message(cmdq_client.chan, cmdq_handle); + mbox_client_txdone(cmdq_client.chan, 0); } #endif mtk_crtc->config_updating = false; @@ -706,6 +904,8 @@ static void mtk_drm_crtc_atomic_disable(struct drm_crtc *crtc, if (!mtk_crtc->enabled) return;

+ mtk_crtc_disable_secure_state(crtc); + /* Set all pending plane state to disabled */ for (i = 0; i < mtk_crtc->layer_nr; i++) { struct drm_plane *plane = &mtk_crtc->planes[i]; @@ -745,6 +945,8 @@ static void mtk_drm_crtc_atomic_begin(struct drm_crtc *crtc, struct mtk_crtc_state *mtk_crtc_state = to_mtk_crtc_state(crtc_state); struct mtk_drm_crtc *mtk_crtc = to_mtk_crtc(crtc);

+ mtk_drm_crtc_plane_switch_sec_state(crtc, state); + if (mtk_crtc->event && mtk_crtc_state->base.event) DRM_ERROR("new event while there is still a pending event\n");

@@ -1020,8 +1222,7 @@ int mtk_drm_crtc_create(struct drm_device *drm_dev, if (ret) { dev_dbg(dev, "mtk_crtc %d failed to get mediatek,gce-events property\n", drm_crtc_index(&mtk_crtc->base)); - mbox_free_channel(mtk_crtc->cmdq_client.chan); - mtk_crtc->cmdq_client.chan = NULL; + goto cmdq_err; } else { ret = mtk_drm_cmdq_pkt_create(&mtk_crtc->cmdq_client, &mtk_crtc->cmdq_handle, @@ -1029,14 +1230,63 @@ int mtk_drm_crtc_create(struct drm_device *drm_dev, if (ret) { dev_dbg(dev, "mtk_crtc %d failed to create cmdq packet\n", drm_crtc_index(&mtk_crtc->base)); - mbox_free_channel(mtk_crtc->cmdq_client.chan); - mtk_crtc->cmdq_client.chan = NULL; + goto cmdq_err; } }

/* for sending blocking cmd in crtc disable */ init_waitqueue_head(&mtk_crtc->cb_blocking_queue); } + + mtk_crtc->sec_cmdq_client.client.dev = mtk_crtc->mmsys_dev; + mtk_crtc->sec_cmdq_client.client.tx_block = false; + mtk_crtc->sec_cmdq_client.client.knows_txdone = true; + mtk_crtc->sec_cmdq_client.client.rx_callback = ddp_cmdq_cb; + mtk_crtc->sec_cmdq_client.chan = + mbox_request_channel(&mtk_crtc->sec_cmdq_client.client, i + 1); + if (IS_ERR(mtk_crtc->sec_cmdq_client.chan)) { + dev_err(dev, "mtk_crtc %d failed to create sec mailbox client\n", + drm_crtc_index(&mtk_crtc->base)); + mtk_crtc->sec_cmdq_client.chan = NULL; + } + + if (mtk_crtc->sec_cmdq_client.chan) { + struct device_link *link; + + /* add devlink to cmdq dev to make sure suspend/resume order is correct */ + link = device_link_add(priv->dev, mtk_crtc->sec_cmdq_client.chan->mbox->dev, + DL_FLAG_PM_RUNTIME | DL_FLAG_STATELESS); + if (!link) { + dev_err(priv->dev, "Unable to link dev=%s\n", + dev_name(mtk_crtc->sec_cmdq_client.chan->mbox->dev)); + ret = -ENODEV; + goto cmdq_err; + } + + ret = mtk_drm_cmdq_pkt_create(&mtk_crtc->sec_cmdq_client, + &mtk_crtc->sec_cmdq_handle, + PAGE_SIZE); + if (ret) { + dev_dbg(dev, "mtk_crtc %d failed to create cmdq secure packet\n", + drm_crtc_index(&mtk_crtc->base)); + goto cmdq_err; + } + + /* for sending blocking cmd in crtc disable */ + init_waitqueue_head(&mtk_crtc->sec_cb_blocking_queue); + } + +cmdq_err: + if (ret) { + if (mtk_crtc->cmdq_client.chan) { + mbox_free_channel(mtk_crtc->cmdq_client.chan); + mtk_crtc->cmdq_client.chan = NULL; + } + if (mtk_crtc->sec_cmdq_client.chan) { + mbox_free_channel(mtk_crtc->sec_cmdq_client.chan); + mtk_crtc->sec_cmdq_client.chan = NULL; + } + } #endif return 0; } diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.h b/drivers/gpu/drm/mediatek/mtk_drm_crtc.h index 3e9046993d09..ff7f81fa6184 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.h +++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.h @@ -19,6 +19,7 @@ int mtk_drm_crtc_create(struct drm_device *drm_dev, const unsigned int *path, unsigned int path_len, int priv_data_index); +void mtk_crtc_disable_secure_state(struct drm_crtc *crtc); int mtk_drm_crtc_plane_check(struct drm_crtc *crtc, struct drm_plane *plane, struct mtk_plane_state *state); void mtk_drm_crtc_async_update(struct drm_crtc *crtc, struct drm_plane *plane, diff --git a/drivers/gpu/drm/mediatek/mtk_drm_plane.c b/drivers/gpu/drm/mediatek/mtk_drm_plane.c index db2f70ae060d..89b5a4e87548 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_plane.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_plane.c @@ -265,6 +265,13 @@ static void mtk_plane_atomic_disable(struct drm_plane *plane, mtk_plane_state->pending.enable = false; wmb(); /* Make sure the above parameter is set before update */ mtk_plane_state->pending.dirty = true; + + if (mtk_plane_state->pending.is_sec) { + struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state, plane); + + if (old_state->crtc) + mtk_crtc_disable_secure_state(old_state->crtc); + } }

static void mtk_plane_atomic_update(struct drm_plane *plane,

Add a secure mailbox channel to support secure video path on vdosys0 and vdosys1.

Signed-off-by: Jason-JH.Lin jason-jh.lin@mediatek.com --- arch/arm64/boot/dts/mediatek/mt8195.dtsi | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/mediatek/mt8195.dtsi b/arch/arm64/boot/dts/mediatek/mt8195.dtsi index 42f9fdf696fe..d14113c89a9b 100644 --- a/arch/arm64/boot/dts/mediatek/mt8195.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8195.dtsi @@ -2619,7 +2619,8 @@ vdosys0: syscon@1c01a000 { compatible = "mediatek,mt8195-vdosys0", "mediatek,mt8195-mmsys", "syscon"; reg = <0 0x1c01a000 0 0x1000>; - mboxes = <&gce0 0 CMDQ_THR_PRIO_4>; + mboxes = <&gce0 0 CMDQ_THR_PRIO_4>, + <&gce0 8 CMDQ_THR_PRIO_4>; /* secure mbox */ #clock-cells = <1>; };

@@ -2804,7 +2805,8 @@ vdosys1: syscon@1c100000 { compatible = "mediatek,mt8195-vdosys1", "syscon"; reg = <0 0x1c100000 0 0x1000>; - mboxes = <&gce0 1 CMDQ_THR_PRIO_4>; + mboxes = <&gce0 1 CMDQ_THR_PRIO_4>, + <&gce0 9 CMDQ_THR_PRIO_4>; /* secure mbox */; mediatek,gce-client-reg = <&gce0 SUBSYS_1c10XXXX 0x0000 0x1000>; #clock-cells = <1>; #reset-cells = <1>;