diff options
| author | Dikshita Agarwal <quic_dikshita@quicinc.com> | 2025-08-25 12:30:38 +0530 |
|---|---|---|
| committer | Hans Verkuil <hverkuil+cisco@kernel.org> | 2025-09-10 09:02:35 +0200 |
| commit | 5ad964ad5656668399f00c76707f0d063b64a4b1 (patch) | |
| tree | d357b28b80b7d593af354e920fc11aa43a5051d1 /drivers/media/platform/qcom/iris/iris_buffer.c | |
| parent | 787c535a9ff5d2daf7c6dbe08a7e660d09105cb4 (diff) | |
media: iris: Initialize and deinitialize encoder instance structure
Introduce initialization and deinitialization for internal encoder
instance structure with necessary hooks.
Tested-by: Vikash Garodia <quic_vgarodia@quicinc.com> # X1E80100
Reviewed-by: Vikash Garodia <quic_vgarodia@quicinc.com>
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8550-HDK
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8650-HDK
Signed-off-by: Dikshita Agarwal <quic_dikshita@quicinc.com>
Tested-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org> # x1e80100-crd
Signed-off-by: Bryan O'Donoghue <bod@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
Diffstat (limited to 'drivers/media/platform/qcom/iris/iris_buffer.c')
| -rw-r--r-- | drivers/media/platform/qcom/iris/iris_buffer.c | 59 |
1 files changed, 48 insertions, 11 deletions
diff --git a/drivers/media/platform/qcom/iris/iris_buffer.c b/drivers/media/platform/qcom/iris/iris_buffer.c index 38548ee4749e..6bf9b0b35d20 100644 --- a/drivers/media/platform/qcom/iris/iris_buffer.c +++ b/drivers/media/platform/qcom/iris/iris_buffer.c @@ -63,7 +63,12 @@ static u32 iris_yuv_buffer_size_nv12(struct iris_inst *inst) { u32 y_plane, uv_plane, y_stride, uv_stride, y_scanlines, uv_scanlines; - struct v4l2_format *f = inst->fmt_dst; + struct v4l2_format *f; + + if (inst->domain == DECODER) + f = inst->fmt_dst; + else + f = inst->fmt_src; y_stride = ALIGN(f->fmt.pix_mp.width, Y_STRIDE_ALIGN); uv_stride = ALIGN(f->fmt.pix_mp.width, UV_STRIDE_ALIGN); @@ -194,7 +199,7 @@ static u32 iris_yuv_buffer_size_qc08c(struct iris_inst *inst) return ALIGN(y_meta_plane + y_plane + uv_meta_plane + uv_plane, PIXELS_4K); } -static u32 iris_bitstream_buffer_size(struct iris_inst *inst) +static u32 iris_dec_bitstream_buffer_size(struct iris_inst *inst) { struct platform_inst_caps *caps = inst->core->iris_platform_data->inst_caps; u32 base_res_mbs = NUM_MBS_4K; @@ -219,18 +224,50 @@ static u32 iris_bitstream_buffer_size(struct iris_inst *inst) return ALIGN(frame_size, PIXELS_4K); } +static u32 iris_enc_bitstream_buffer_size(struct iris_inst *inst) +{ + u32 aligned_width, aligned_height, bitstream_size, yuv_size; + struct v4l2_format *f; + + f = inst->fmt_dst; + + aligned_width = ALIGN(f->fmt.pix_mp.width, 32); + aligned_height = ALIGN(f->fmt.pix_mp.height, 32); + bitstream_size = aligned_width * aligned_height * 3; + yuv_size = (aligned_width * aligned_height * 3) >> 1; + if (aligned_width * aligned_height > (4096 * 2176)) + /* bitstream_size = 0.25 * yuv_size; */ + bitstream_size = (bitstream_size >> 3); + else if (aligned_width * aligned_height > (1280 * 720)) + /* bitstream_size = 0.5 * yuv_size; */ + bitstream_size = (bitstream_size >> 2); + + return ALIGN(bitstream_size, 4096); +} + int iris_get_buffer_size(struct iris_inst *inst, enum iris_buffer_type buffer_type) { - switch (buffer_type) { - case BUF_INPUT: - return iris_bitstream_buffer_size(inst); - case BUF_OUTPUT: - return iris_yuv_buffer_size_nv12(inst); - case BUF_DPB: - return iris_yuv_buffer_size_qc08c(inst); - default: - return 0; + if (inst->domain == DECODER) { + switch (buffer_type) { + case BUF_INPUT: + return iris_dec_bitstream_buffer_size(inst); + case BUF_OUTPUT: + return iris_yuv_buffer_size_nv12(inst); + case BUF_DPB: + return iris_yuv_buffer_size_qc08c(inst); + default: + return 0; + } + } else { + switch (buffer_type) { + case BUF_INPUT: + return iris_yuv_buffer_size_nv12(inst); + case BUF_OUTPUT: + return iris_enc_bitstream_buffer_size(inst); + default: + return 0; + } } } |