[PATCH 07/10] drm/mediatek: Add secure layer config support for ovl
Jason-JH.Lin
jason-jh.lin at mediatek.com
Mon Sep 18 20:03:42 PDT 2023
Add secure layer config support for ovl.
Signed-off-by: Jason-JH.Lin <jason-jh.lin at 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] = {
--
2.18.0
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