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Date: Tue, 15 Feb 2022 16:43:15 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Bjorn Andersson <bjorn.andersson@...aro.org>,
Rob Clark <robdclark@...il.com>,
Abhinav Kumar <quic_abhinavk@...cinc.com>
Cc: linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org,
freedreno@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/2] drm/msm/dpu: Add SC8180x to hw catalog
On 15/02/2022 07:33, Bjorn Andersson wrote:
> From: Rob Clark <robdclark@...omium.org>
>
> Add SC8180x to the hardware catalog, for initial support for the
> platform. Due to limitations in the DP driver only one of the four DP
> interfaces is left enabled.
>
> The SC8180x platform supports the newly added DPU_INTF_WIDEBUS flag and
> the Windows-on-Snapdragon bootloader leaves the widebus bit set, so this
> is flagged appropriately to ensure widebus is disabled - for now.
>
> Signed-off-by: Rob Clark <robdclark@...omium.org>
> [bjorn: Reworked intf and irq definitions]
> Signed-off-by: Bjorn Andersson <bjorn.andersson@...aro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Nit: missing dt bindings change.
> ---
>
> Changes since v1:
> - Dropped widebus flag
>
> .../gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c | 129 ++++++++++++++++++
> .../gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h | 1 +
> drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 1 +
> drivers/gpu/drm/msm/msm_drv.c | 1 +
> 4 files changed, 132 insertions(+)
>
> 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 aa75991903a6..7ac0fe32df49 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
> @@ -90,6 +90,17 @@
> BIT(MDP_INTF3_INTR) | \
> BIT(MDP_INTF4_INTR))
>
> +#define IRQ_SC8180X_MASK (BIT(MDP_SSPP_TOP0_INTR) | \
> + BIT(MDP_SSPP_TOP0_INTR2) | \
> + BIT(MDP_SSPP_TOP0_HIST_INTR) | \
> + BIT(MDP_INTF0_INTR) | \
> + BIT(MDP_INTF1_INTR) | \
> + BIT(MDP_INTF2_INTR) | \
> + BIT(MDP_INTF3_INTR) | \
> + BIT(MDP_INTF4_INTR) | \
> + BIT(MDP_INTF5_INTR) | \
> + BIT(MDP_AD4_0_INTR) | \
> + BIT(MDP_AD4_1_INTR))
>
> #define DEFAULT_PIXEL_RAM_SIZE (50 * 1024)
> #define DEFAULT_DPU_LINE_WIDTH 2048
> @@ -225,6 +236,22 @@ static const struct dpu_caps sm8150_dpu_caps = {
> .max_vdeci_exp = MAX_VERT_DECIMATION,
> };
>
> +static const struct dpu_caps sc8180x_dpu_caps = {
> + .max_mixer_width = DEFAULT_DPU_OUTPUT_LINE_WIDTH,
> + .max_mixer_blendstages = 0xb,
> + .qseed_type = DPU_SSPP_SCALER_QSEED3,
> + .smart_dma_rev = DPU_SSPP_SMART_DMA_V2, /* TODO: v2.5 */
> + .ubwc_version = DPU_HW_UBWC_VER_30,
> + .has_src_split = true,
> + .has_dim_layer = true,
> + .has_idle_pc = true,
> + .has_3d_merge = true,
> + .max_linewidth = 4096,
> + .pixel_ram_size = DEFAULT_PIXEL_RAM_SIZE,
> + .max_hdeci_exp = MAX_HORZ_DECIMATION,
> + .max_vdeci_exp = MAX_VERT_DECIMATION,
> +};
> +
> static const struct dpu_caps sm8250_dpu_caps = {
> .max_mixer_width = DEFAULT_DPU_OUTPUT_LINE_WIDTH,
> .max_mixer_blendstages = 0xb,
> @@ -293,6 +320,31 @@ static const struct dpu_mdp_cfg sc7180_mdp[] = {
> },
> };
>
> +static const struct dpu_mdp_cfg sc8180x_mdp[] = {
> + {
> + .name = "top_0", .id = MDP_TOP,
> + .base = 0x0, .len = 0x45C,
> + .features = 0,
> + .highest_bank_bit = 0x3,
> + .clk_ctrls[DPU_CLK_CTRL_VIG0] = {
> + .reg_off = 0x2AC, .bit_off = 0},
> + .clk_ctrls[DPU_CLK_CTRL_VIG1] = {
> + .reg_off = 0x2B4, .bit_off = 0},
> + .clk_ctrls[DPU_CLK_CTRL_VIG2] = {
> + .reg_off = 0x2BC, .bit_off = 0},
> + .clk_ctrls[DPU_CLK_CTRL_VIG3] = {
> + .reg_off = 0x2C4, .bit_off = 0},
> + .clk_ctrls[DPU_CLK_CTRL_DMA0] = {
> + .reg_off = 0x2AC, .bit_off = 8},
> + .clk_ctrls[DPU_CLK_CTRL_DMA1] = {
> + .reg_off = 0x2B4, .bit_off = 8},
> + .clk_ctrls[DPU_CLK_CTRL_CURSOR0] = {
> + .reg_off = 0x2BC, .bit_off = 8},
> + .clk_ctrls[DPU_CLK_CTRL_CURSOR1] = {
> + .reg_off = 0x2C4, .bit_off = 8},
> + },
> +};
> +
> static const struct dpu_mdp_cfg sm8250_mdp[] = {
> {
> .name = "top_0", .id = MDP_TOP,
> @@ -861,6 +913,16 @@ static const struct dpu_intf_cfg sc7280_intf[] = {
> INTF_BLK("intf_5", INTF_5, 0x39000, INTF_DP, MSM_DP_CONTROLLER_1, 24, INTF_SC7280_MASK, MDP_SSPP_TOP0_INTR, 22, 23),
> };
>
> +static const struct dpu_intf_cfg sc8180x_intf[] = {
> + INTF_BLK("intf_0", INTF_0, 0x6A000, INTF_DP, MSM_DP_CONTROLLER_0, 24, INTF_SC7180_MASK, MDP_SSPP_TOP0_INTR, 24, 25),
> + INTF_BLK("intf_1", INTF_1, 0x6A800, INTF_DSI, 0, 24, INTF_SC7180_MASK, MDP_SSPP_TOP0_INTR, 26, 27),
> + INTF_BLK("intf_2", INTF_2, 0x6B000, INTF_DSI, 1, 24, INTF_SC7180_MASK, MDP_SSPP_TOP0_INTR, 28, 29),
> + /* INTF_3 is for MST, wired to INTF_DP 0 and 1, use dummy index until this is supported */
> + INTF_BLK("intf_3", INTF_3, 0x6B800, INTF_DP, 999, 24, INTF_SC7180_MASK, MDP_SSPP_TOP0_INTR, 30, 31),
> + INTF_BLK("intf_4", INTF_4, 0x6C000, INTF_DP, MSM_DP_CONTROLLER_1, 24, INTF_SC7180_MASK, MDP_SSPP_TOP0_INTR, 20, 21),
> + INTF_BLK("intf_5", INTF_5, 0x6C800, INTF_DP, MSM_DP_CONTROLLER_2, 24, INTF_SC7180_MASK, MDP_SSPP_TOP0_INTR, 22, 23),
> +};
> +
> /*************************************************************
> * VBIF sub blocks config
> *************************************************************/
> @@ -931,6 +993,10 @@ static const struct dpu_qos_lut_entry sm8150_qos_linear[] = {
> {.fl = 0, .lut = 0x0011222222223357 },
> };
>
> +static const struct dpu_qos_lut_entry sc8180x_qos_linear[] = {
> + {.fl = 4, .lut = 0x0000000000000357 },
> +};
> +
> static const struct dpu_qos_lut_entry sdm845_qos_macrotile[] = {
> {.fl = 10, .lut = 0x344556677},
> {.fl = 11, .lut = 0x3344556677},
> @@ -944,6 +1010,10 @@ static const struct dpu_qos_lut_entry sc7180_qos_macrotile[] = {
> {.fl = 0, .lut = 0x0011223344556677},
> };
>
> +static const struct dpu_qos_lut_entry sc8180x_qos_macrotile[] = {
> + {.fl = 10, .lut = 0x0000000344556677},
> +};
> +
> static const struct dpu_qos_lut_entry sdm845_qos_nrt[] = {
> {.fl = 0, .lut = 0x0},
> };
> @@ -1045,6 +1115,33 @@ static const struct dpu_perf_cfg sm8150_perf_data = {
> .bw_inefficiency_factor = 120,
> };
>
> +static const struct dpu_perf_cfg sc8180x_perf_data = {
> + .max_bw_low = 9600000,
> + .max_bw_high = 9600000,
> + .min_core_ib = 2400000,
> + .min_llcc_ib = 800000,
> + .min_dram_ib = 800000,
> + .danger_lut_tbl = {0xf, 0xffff, 0x0, 0x0},
> + .qos_lut_tbl = {
> + {.nentry = ARRAY_SIZE(sc8180x_qos_linear),
> + .entries = sc8180x_qos_linear
> + },
> + {.nentry = ARRAY_SIZE(sc8180x_qos_macrotile),
> + .entries = sc8180x_qos_macrotile
> + },
> + {.nentry = ARRAY_SIZE(sc7180_qos_nrt),
> + .entries = sc7180_qos_nrt
> + },
> + /* TODO: macrotile-qseed is different from macrotile */
> + },
> + .cdp_cfg = {
> + {.rd_enable = 1, .wr_enable = 1},
> + {.rd_enable = 1, .wr_enable = 0}
> + },
> + .clk_inefficiency_factor = 105,
> + .bw_inefficiency_factor = 120,
> +};
> +
> static const struct dpu_perf_cfg sm8250_perf_data = {
> .max_bw_low = 13700000,
> .max_bw_high = 16600000,
> @@ -1199,6 +1296,37 @@ static void sm8150_cfg_init(struct dpu_mdss_cfg *dpu_cfg)
> };
> }
>
> +/*
> + * sc8180x_cfg_init(): populate sc8180 dpu sub-blocks reg offsets
> + * and instance counts.
> + */
> +static void sc8180x_cfg_init(struct dpu_mdss_cfg *dpu_cfg)
> +{
> + *dpu_cfg = (struct dpu_mdss_cfg){
> + .caps = &sc8180x_dpu_caps,
> + .mdp_count = ARRAY_SIZE(sc8180x_mdp),
> + .mdp = sc8180x_mdp,
> + .ctl_count = ARRAY_SIZE(sm8150_ctl),
> + .ctl = sm8150_ctl,
> + .sspp_count = ARRAY_SIZE(sdm845_sspp),
> + .sspp = sdm845_sspp,
> + .mixer_count = ARRAY_SIZE(sm8150_lm),
> + .mixer = sm8150_lm,
> + .pingpong_count = ARRAY_SIZE(sm8150_pp),
> + .pingpong = sm8150_pp,
> + .merge_3d_count = ARRAY_SIZE(sm8150_merge_3d),
> + .merge_3d = sm8150_merge_3d,
> + .intf_count = ARRAY_SIZE(sc8180x_intf),
> + .intf = sc8180x_intf,
> + .vbif_count = ARRAY_SIZE(sdm845_vbif),
> + .vbif = sdm845_vbif,
> + .reg_dma_count = 1,
> + .dma_cfg = sm8150_regdma,
> + .perf = sc8180x_perf_data,
> + .mdss_irqs = IRQ_SC8180X_MASK,
> + };
> +}
> +
> /*
> * sm8250_cfg_init(): populate sm8250 dpu sub-blocks reg offsets
> * and instance counts.
> @@ -1260,6 +1388,7 @@ static const struct dpu_mdss_hw_cfg_handler cfg_handler[] = {
> { .hw_rev = DPU_HW_VER_401, .cfg_init = sdm845_cfg_init},
> { .hw_rev = DPU_HW_VER_500, .cfg_init = sm8150_cfg_init},
> { .hw_rev = DPU_HW_VER_501, .cfg_init = sm8150_cfg_init},
> + { .hw_rev = DPU_HW_VER_510, .cfg_init = sc8180x_cfg_init},
> { .hw_rev = DPU_HW_VER_600, .cfg_init = sm8250_cfg_init},
> { .hw_rev = DPU_HW_VER_620, .cfg_init = sc7180_cfg_init},
> { .hw_rev = DPU_HW_VER_720, .cfg_init = sc7280_cfg_init},
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h
> index 31af04afda7d..9572d29ff2ff 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h
> @@ -39,6 +39,7 @@
> #define DPU_HW_VER_410 DPU_HW_VER(4, 1, 0) /* sdm670 v1.0 */
> #define DPU_HW_VER_500 DPU_HW_VER(5, 0, 0) /* sm8150 v1.0 */
> #define DPU_HW_VER_501 DPU_HW_VER(5, 0, 1) /* sm8150 v2.0 */
> +#define DPU_HW_VER_510 DPU_HW_VER(5, 1, 1) /* sc8180 */
> #define DPU_HW_VER_600 DPU_HW_VER(6, 0, 0) /* sm8250 */
> #define DPU_HW_VER_620 DPU_HW_VER(6, 2, 0) /* sc7180 v1.0 */
> #define DPU_HW_VER_720 DPU_HW_VER(7, 2, 0) /* sc7280 */
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
> index 47fe11a84a77..cedc631f8498 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
> @@ -1351,6 +1351,7 @@ const struct of_device_id dpu_dt_match[] = {
> { .compatible = "qcom,sdm845-dpu", },
> { .compatible = "qcom,sc7180-dpu", },
> { .compatible = "qcom,sc7280-dpu", },
> + { .compatible = "qcom,sc8180x-dpu", },
> { .compatible = "qcom,sm8150-dpu", },
> { .compatible = "qcom,sm8250-dpu", },
> {}
> diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c
> index 555666e3f960..0f441d358b60 100644
> --- a/drivers/gpu/drm/msm/msm_drv.c
> +++ b/drivers/gpu/drm/msm/msm_drv.c
> @@ -1438,6 +1438,7 @@ static const struct of_device_id dt_match[] = {
> { .compatible = "qcom,sdm845-mdss", .data = (void *)KMS_DPU },
> { .compatible = "qcom,sc7180-mdss", .data = (void *)KMS_DPU },
> { .compatible = "qcom,sc7280-mdss", .data = (void *)KMS_DPU },
> + { .compatible = "qcom,sc8180x-mdss", .data = (void *)KMS_DPU },
> { .compatible = "qcom,sm8150-mdss", .data = (void *)KMS_DPU },
> { .compatible = "qcom,sm8250-mdss", .data = (void *)KMS_DPU },
> {}
--
With best wishes
Dmitry
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