[PATCH v4 05/11] media: hantro: Add a field to distinguish the hardware versions
From: Benjamin Gaignard <benjamin.gaignard@collabora.com>
Date: 2021-03-03 16:21:56
Also in:
linux-devicetree, linux-media, linux-rockchip, lkml
Subsystem:
media input infrastructure (v4l/dvb), staging subsystem, the rest · Maintainers:
Mauro Carvalho Chehab, Greg Kroah-Hartman, Linus Torvalds
Decoders hardware blocks could exist in multiple versions: add a field to distinguish them at runtime. G2 hardware block doesn't have postprocessor hantro_needs_postproc function should always returns false in for this hardware. hantro_needs_postproc function becoming to much complex to stay inline in .h file move it to .c file. Keep the default behavoir to be G1 hardware. Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com> --- drivers/staging/media/hantro/hantro.h | 13 +++++++------ drivers/staging/media/hantro/hantro_drv.c | 2 ++ drivers/staging/media/hantro/hantro_postproc.c | 17 +++++++++++++++++ 3 files changed, 26 insertions(+), 6 deletions(-)
diff --git a/drivers/staging/media/hantro/hantro.h b/drivers/staging/media/hantro/hantro.h
index a76a0d79db9f..05876e426419 100644
--- a/drivers/staging/media/hantro/hantro.h
+++ b/drivers/staging/media/hantro/hantro.h@@ -37,6 +37,9 @@ struct hantro_codec_ops; #define HANTRO_HEVC_DECODER BIT(19) #define HANTRO_DECODERS 0xffff0000 +#define HANTRO_G1_REV 0x6731 +#define HANTRO_G2_REV 0x6732 + /** * struct hantro_irq - irq handler and name *
@@ -171,6 +174,7 @@ hantro_vdev_to_func(struct video_device *vdev) * @enc_base: Mapped address of VPU encoder register for convenience. * @dec_base: Mapped address of VPU decoder register for convenience. * @ctrl_base: Mapped address of VPU control block. + * @core_hw_dec_rev Runtime detected HW decoder core revision * @vpu_mutex: Mutex to synchronize V4L2 calls. * @irqlock: Spinlock to synchronize access to data structures * shared with interrupt handlers.
@@ -190,6 +194,7 @@ struct hantro_dev { void __iomem *enc_base; void __iomem *dec_base; void __iomem *ctrl_base; + u32 core_hw_dec_rev; struct mutex vpu_mutex; /* video_device lock */ spinlock_t irqlock;
@@ -412,12 +417,8 @@ hantro_get_dst_buf(struct hantro_ctx *ctx) return v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx); } -static inline bool -hantro_needs_postproc(const struct hantro_ctx *ctx, - const struct hantro_fmt *fmt) -{ - return !ctx->is_encoder && fmt->fourcc != V4L2_PIX_FMT_NV12; -} +bool hantro_needs_postproc(const struct hantro_ctx *ctx, + const struct hantro_fmt *fmt); static inline dma_addr_t hantro_get_dec_buf_addr(struct hantro_ctx *ctx, struct vb2_buffer *vb)
diff --git a/drivers/staging/media/hantro/hantro_drv.c b/drivers/staging/media/hantro/hantro_drv.c
index f0b68e16fcc0..e3e6df28f470 100644
--- a/drivers/staging/media/hantro/hantro_drv.c
+++ b/drivers/staging/media/hantro/hantro_drv.c@@ -836,6 +836,8 @@ static int hantro_probe(struct platform_device *pdev) } vpu->enc_base = vpu->reg_bases[0] + vpu->variant->enc_offset; vpu->dec_base = vpu->reg_bases[0] + vpu->variant->dec_offset; + /* by default decoder is G1 */ + vpu->core_hw_dec_rev = HANTRO_G1_REV; ret = dma_set_coherent_mask(vpu->dev, DMA_BIT_MASK(32)); if (ret) {
diff --git a/drivers/staging/media/hantro/hantro_postproc.c b/drivers/staging/media/hantro/hantro_postproc.c
index 6d2a8f2a8f0b..050880f720d6 100644
--- a/drivers/staging/media/hantro/hantro_postproc.c
+++ b/drivers/staging/media/hantro/hantro_postproc.c@@ -50,6 +50,23 @@ const struct hantro_postproc_regs hantro_g1_postproc_regs = { .display_width = {G1_REG_PP_DISPLAY_WIDTH, 0, 0xfff}, }; +bool hantro_needs_postproc(const struct hantro_ctx *ctx, + const struct hantro_fmt *fmt) +{ + struct hantro_dev *vpu = ctx->dev; + + if (ctx->is_encoder) + return false; + + if (vpu->core_hw_dec_rev == HANTRO_G1_REV) + return fmt->fourcc != V4L2_PIX_FMT_NV12; + + if (vpu->core_hw_dec_rev == HANTRO_G2_REV) + return false; + + return false; +} + void hantro_postproc_enable(struct hantro_ctx *ctx) { struct hantro_dev *vpu = ctx->dev;
--
2.25.1
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