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Message-ID: <1d390e6f-4ec3-bef3-4ad6-b86e5b07c709@linaro.org>
Date: Wed, 3 May 2023 00:42:07 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Kuogee Hsieh <quic_khsieh@...cinc.com>,
dri-devel@...ts.freedesktop.org, robdclark@...il.com,
sean@...rly.run, swboyd@...omium.org, dianders@...omium.org,
vkoul@...nel.org, daniel@...ll.ch, airlied@...il.com,
agross@...nel.org, andersson@...nel.org
Cc: Abhinav Kumar <quic_abhinavk@...cinc.com>,
quic_sbillaka@...cinc.com, marijn.suijten@...ainline.org,
freedreno@...ts.freedesktop.org, linux-arm-msm@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 7/7] drm/msm/dpu: add DSC 1.2 hw blocks for relevant
chipsets
On 03/05/2023 00:03, Kuogee Hsieh wrote:
> From: Abhinav Kumar <quic_abhinavk@...cinc.com>
>
> Add DSC 1.2 hardware blocks to the catalog with necessary sub-block and
> feature flag information. Each display compression engine (DCE) contains
> dual hard slice DSC encoders so both share same base address but with
> its own different sub block address.
>
> Signed-off-by: Abhinav Kumar <quic_abhinavk@...cinc.com>
> Signed-off-by: Kuogee Hsieh <quic_khsieh@...cinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Minor question below.
> ---
> .../gpu/drm/msm/disp/dpu1/catalog/dpu_7_0_sm8350.h | 14 +++++++++++
> .../gpu/drm/msm/disp/dpu1/catalog/dpu_7_2_sc7280.h | 7 ++++++
> .../drm/msm/disp/dpu1/catalog/dpu_8_0_sc8280xp.h | 16 +++++++++++++
> .../gpu/drm/msm/disp/dpu1/catalog/dpu_8_1_sm8450.h | 14 +++++++++++
> .../gpu/drm/msm/disp/dpu1/catalog/dpu_9_0_sm8550.h | 14 +++++++++++
> drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c | 27 ++++++++++++++++++++--
> 6 files changed, 90 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_7_0_sm8350.h b/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_7_0_sm8350.h
> index 4f6a965..f98c2a5 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_7_0_sm8350.h
> +++ b/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_7_0_sm8350.h
> @@ -153,6 +153,18 @@ static const struct dpu_merge_3d_cfg sm8350_merge_3d[] = {
> MERGE_3D_BLK("merge_3d_2", MERGE_3D_2, 0x50000),
> };
>
> +/*
> + * NOTE: Each display compression engine (DCE) contains dual hard
> + * slice DSC encoders so both share same base address but with
> + * its own different sub block address.
> + */
> +static const struct dpu_dsc_cfg sm8350_dsc[] = {
> + DSC_BLK_1_2("dce_0", DSC_0, 0x80000, 0x100, 0, dsc_sblk_0),
> + DSC_BLK_1_2("dce_0", DSC_1, 0x80000, 0x100, 0, dsc_sblk_1),
> + DSC_BLK_1_2("dce_1", DSC_2, 0x81000, 0x100, BIT(DPU_DSC_NATIVE_422_EN), dsc_sblk_0),
> + DSC_BLK_1_2("dce_1", DSC_3, 0x81000, 0x100, BIT(DPU_DSC_NATIVE_422_EN), dsc_sblk_1),
> +};
> +
> static const struct dpu_intf_cfg sm8350_intf[] = {
> INTF_BLK("intf_0", INTF_0, 0x34000, 0x280, INTF_DP, MSM_DP_CONTROLLER_0, 24, INTF_SC7280_MASK, MDP_SSPP_TOP0_INTR, 24, 25),
> INTF_BLK("intf_1", INTF_1, 0x35000, 0x2c4, INTF_DSI, 0, 24, INTF_SC7280_MASK, MDP_SSPP_TOP0_INTR, 26, 27),
> @@ -205,6 +217,8 @@ const struct dpu_mdss_cfg dpu_sm8350_cfg = {
> .dspp = sm8350_dspp,
> .pingpong_count = ARRAY_SIZE(sm8350_pp),
> .pingpong = sm8350_pp,
> + .dsc = sm8350_dsc,
> + .dsc_count = ARRAY_SIZE(sm8350_dsc),
> .merge_3d_count = ARRAY_SIZE(sm8350_merge_3d),
> .merge_3d = sm8350_merge_3d,
> .intf_count = ARRAY_SIZE(sm8350_intf),
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_7_2_sc7280.h b/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_7_2_sc7280.h
> index 6b2c7ea..3fd0498a 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_7_2_sc7280.h
> +++ b/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_7_2_sc7280.h
> @@ -93,6 +93,11 @@ static const struct dpu_pingpong_cfg sc7280_pp[] = {
> PP_BLK_DITHER("pingpong_3", PINGPONG_3, 0x6c000, 0, sc7280_pp_sblk, -1, -1),
> };
>
> +/* NOTE: sc7280 only has one dsc hard slice encoder */
> +static const struct dpu_dsc_cfg sc7280_dsc[] = {
> + DSC_BLK_1_2("dce_0", DSC_0, 0x80000, 0x100, BIT(DPU_DSC_NATIVE_422_EN), dsc_sblk_0),
> +};
> +
> static const struct dpu_intf_cfg sc7280_intf[] = {
> INTF_BLK("intf_0", INTF_0, 0x34000, 0x280, INTF_DP, MSM_DP_CONTROLLER_0, 24, INTF_SC7280_MASK, MDP_SSPP_TOP0_INTR, 24, 25),
> INTF_BLK("intf_1", INTF_1, 0x35000, 0x2c4, INTF_DSI, 0, 24, INTF_SC7280_MASK, MDP_SSPP_TOP0_INTR, 26, 27),
> @@ -142,6 +147,8 @@ const struct dpu_mdss_cfg dpu_sc7280_cfg = {
> .mixer = sc7280_lm,
> .pingpong_count = ARRAY_SIZE(sc7280_pp),
> .pingpong = sc7280_pp,
> + .dsc_count = ARRAY_SIZE(sc7280_dsc),
> + .dsc = sc7280_dsc,
> .intf_count = ARRAY_SIZE(sc7280_intf),
> .intf = sc7280_intf,
> .vbif_count = ARRAY_SIZE(sdm845_vbif),
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_8_0_sc8280xp.h b/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_8_0_sc8280xp.h
> index 706d0f1..ce583eb 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_8_0_sc8280xp.h
> +++ b/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_8_0_sc8280xp.h
> @@ -141,6 +141,20 @@ static const struct dpu_merge_3d_cfg sc8280xp_merge_3d[] = {
> MERGE_3D_BLK("merge_3d_2", MERGE_3D_2, 0x50000),
> };
>
> +/*
> + * NOTE: Each display compression engine (DCE) contains dual hard
> + * slice DSC encoders so both share same base address but with
> + * its own different sub block address.
> + */
> +static const struct dpu_dsc_cfg sc8280xp_dsc[] = {
> + DSC_BLK_1_2("dce_0", DSC_0, 0x80000, 0x100, BIT(DPU_DSC_NATIVE_422_EN), dsc_sblk_0),
> + DSC_BLK_1_2("dce_0", DSC_1, 0x80000, 0x100, BIT(DPU_DSC_NATIVE_422_EN), dsc_sblk_1),
> + DSC_BLK_1_2("dce_1", DSC_2, 0x81000, 0x100, BIT(DPU_DSC_NATIVE_422_EN), dsc_sblk_0),
> + DSC_BLK_1_2("dce_1", DSC_3, 0x81000, 0x100, BIT(DPU_DSC_NATIVE_422_EN), dsc_sblk_1),
> + DSC_BLK_1_2("dce_2", DSC_4, 0x82000, 0x100, 0, dsc_sblk_0),
> + DSC_BLK_1_2("dce_2", DSC_5, 0x82000, 0x100, 0, dsc_sblk_1),
Just checking: all other platforms have non-422 encoders first, then the
422-enabled ones. Is there any reason why this platform has them in the
opposite order?
> +};
> +
> /* TODO: INTF 3, 8 and 7 are used for MST, marked as INTF_NONE for now */
> static const struct dpu_intf_cfg sc8280xp_intf[] = {
> INTF_BLK("intf_0", INTF_0, 0x34000, 0x280, INTF_DP, MSM_DP_CONTROLLER_0, 24, INTF_SC7280_MASK, MDP_SSPP_TOP0_INTR, 24, 25),
> @@ -196,6 +210,8 @@ const struct dpu_mdss_cfg dpu_sc8280xp_cfg = {
> .dspp = sc8280xp_dspp,
> .pingpong_count = ARRAY_SIZE(sc8280xp_pp),
> .pingpong = sc8280xp_pp,
> + .dsc = sc8280xp_dsc,
> + .dsc_count = ARRAY_SIZE(sc8280xp_dsc),
> .merge_3d_count = ARRAY_SIZE(sc8280xp_merge_3d),
> .merge_3d = sc8280xp_merge_3d,
> .intf_count = ARRAY_SIZE(sc8280xp_intf),
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_8_1_sm8450.h b/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_8_1_sm8450.h
> index 4ecb3df..3950e7b 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_8_1_sm8450.h
> +++ b/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_8_1_sm8450.h
> @@ -161,6 +161,18 @@ static const struct dpu_merge_3d_cfg sm8450_merge_3d[] = {
> MERGE_3D_BLK("merge_3d_3", MERGE_3D_3, 0x65f00),
> };
>
> +/*
> + * NOTE: Each display compression engine (DCE) contains dual hard
> + * slice DSC encoders so both share same base address but with
> + * its own different sub block address.
> + */
> +static const struct dpu_dsc_cfg sm8450_dsc[] = {
> + DSC_BLK_1_2("dce_0", DSC_0, 0x80000, 0x100, 0, dsc_sblk_0),
> + DSC_BLK_1_2("dce_0", DSC_1, 0x80000, 0x100, 0, dsc_sblk_1),
> + DSC_BLK_1_2("dce_1", DSC_2, 0x81000, 0x100, BIT(DPU_DSC_NATIVE_422_EN), dsc_sblk_0),
> + DSC_BLK_1_2("dce_1", DSC_3, 0x81000, 0x100, BIT(DPU_DSC_NATIVE_422_EN), dsc_sblk_1),
> +};
> +
> static const struct dpu_intf_cfg sm8450_intf[] = {
> INTF_BLK("intf_0", INTF_0, 0x34000, 0x280, INTF_DP, MSM_DP_CONTROLLER_0, 24, INTF_SC7280_MASK, MDP_SSPP_TOP0_INTR, 24, 25),
> INTF_BLK("intf_1", INTF_1, 0x35000, 0x300, INTF_DSI, 0, 24, INTF_SC7280_MASK, MDP_SSPP_TOP0_INTR, 26, 27),
> @@ -213,6 +225,8 @@ const struct dpu_mdss_cfg dpu_sm8450_cfg = {
> .dspp = sm8450_dspp,
> .pingpong_count = ARRAY_SIZE(sm8450_pp),
> .pingpong = sm8450_pp,
> + .dsc = sm8450_dsc,
> + .dsc_count = ARRAY_SIZE(sm8450_dsc),
> .merge_3d_count = ARRAY_SIZE(sm8450_merge_3d),
> .merge_3d = sm8450_merge_3d,
> .intf_count = ARRAY_SIZE(sm8450_intf),
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_9_0_sm8550.h b/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_9_0_sm8550.h
> index d0ab351..1b3f542 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_9_0_sm8550.h
> +++ b/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_9_0_sm8550.h
> @@ -165,6 +165,18 @@ static const struct dpu_merge_3d_cfg sm8550_merge_3d[] = {
> MERGE_3D_BLK("merge_3d_3", MERGE_3D_3, 0x66700),
> };
>
> +/*
> + * NOTE: Each display compression engine (DCE) contains dual hard
> + * slice DSC encoders so both share same base address but with
> + * its own different sub block address.
> + */
> +static const struct dpu_dsc_cfg sm8550_dsc[] = {
> + DSC_BLK_1_2("dce_0", DSC_0, 0x80000, 0x100, 0, dsc_sblk_0),
> + DSC_BLK_1_2("dce_0", DSC_1, 0x80000, 0x100, 0, dsc_sblk_1),
> + DSC_BLK_1_2("dce_1", DSC_2, 0x81000, 0x100, BIT(DPU_DSC_NATIVE_422_EN), dsc_sblk_0),
> + DSC_BLK_1_2("dce_1", DSC_3, 0x81000, 0x100, BIT(DPU_DSC_NATIVE_422_EN), dsc_sblk_1),
> +};
> +
> static const struct dpu_intf_cfg sm8550_intf[] = {
> INTF_BLK("intf_0", INTF_0, 0x34000, 0x280, INTF_DP, MSM_DP_CONTROLLER_0, 24, INTF_SC7280_MASK, MDP_SSPP_TOP0_INTR, 24, 25),
> /* TODO TE sub-blocks for intf1 & intf2 */
> @@ -218,6 +230,8 @@ const struct dpu_mdss_cfg dpu_sm8550_cfg = {
> .dspp = sm8550_dspp,
> .pingpong_count = ARRAY_SIZE(sm8550_pp),
> .pingpong = sm8550_pp,
> + .dsc = sm8550_dsc,
> + .dsc_count = ARRAY_SIZE(sm8550_dsc),
> .merge_3d_count = ARRAY_SIZE(sm8550_merge_3d),
> .merge_3d = sm8550_merge_3d,
> .intf_count = ARRAY_SIZE(sm8550_intf),
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
> index 6ea1e9d..83c0cd9 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
> @@ -1,6 +1,6 @@
> // SPDX-License-Identifier: GPL-2.0-only
> /* Copyright (c) 2015-2018, The Linux Foundation. All rights reserved.
> - * Copyright (c) 2022. Qualcomm Innovation Center, Inc. All rights reserved.
> + * Copyright (c) 2022-2023, Qualcomm Innovation Center, Inc. All rights reserved.
> */
>
> #define pr_fmt(fmt) "[drm:%s:%d] " fmt, __func__, __LINE__
> @@ -536,11 +536,34 @@ static const struct dpu_pingpong_sub_blks sc7280_pp_sblk = {
> /*************************************************************
> * DSC sub blocks config
> *************************************************************/
> +static const struct dpu_dsc_sub_blks dsc_sblk_0 = {
> + .enc = {.base = 0x100, .len = 0x100},
> + .ctl = {.base = 0xF00, .len = 0x10},
> +};
> +
> +static const struct dpu_dsc_sub_blks dsc_sblk_1 = {
> + .enc = {.base = 0x200, .len = 0x100},
> + .ctl = {.base = 0xF80, .len = 0x10},
> +};
> +
> #define DSC_BLK(_name, _id, _base, _features) \
> {\
> .name = _name, .id = _id, \
> .base = _base, .len = 0x140, \
> - .features = _features, \
> + .features = BIT(DPU_DSC_HW_REV_1_1) | _features, \
> + }
> +
> +/*
> + * NOTE: Each display compression engine (DCE) contains dual hard
> + * slice DSC encoders so both share same base address but with
> + * its own different sub block address.
> + */
> +#define DSC_BLK_1_2(_name, _id, _base, _len, _features, _sblk) \
> + {\
> + .name = _name, .id = _id, \
> + .base = _base, .len = _len, \
> + .features = BIT(DPU_DSC_HW_REV_1_2) | _features, \
> + .sblk = &_sblk, \
> }
>
> /*************************************************************
--
With best wishes
Dmitry
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