linux-kernel - Re: [PATCH v3 03/11] drm/msm/dpu: Add SM8350 to hw catalog

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Message-ID: <4a9621e8-e95d-d74f-5740-8d7810853bd2@linaro.org>
Date:   Thu, 8 Dec 2022 01:39:51 +0200
From:   Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To:     Robert Foss <robert.foss@...aro.org>, robdclark@...il.com,
        quic_abhinavk@...cinc.com, sean@...rly.run, airlied@...ux.ie,
        daniel@...ll.ch, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, agross@...nel.org,
        bjorn.andersson@...aro.org, konrad.dybcio@...ainline.org,
        quic_kalyant@...cinc.com, angelogioacchino.delregno@...ainline.org,
        loic.poulain@...aro.org, swboyd@...omium.org,
        quic_vpolimer@...cinc.com, vkoul@...nel.org, dianders@...omium.org,
        linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        freedreno@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Jonathan Marek <jonathan@...ek.ca>,
        vinod.koul@...aro.org, quic_jesszhan@...cinc.com,
        andersson@...nel.org
Subject: Re: [PATCH v3 03/11] drm/msm/dpu: Add SM8350 to hw catalog

On 05/12/2022 18:37, Robert Foss wrote:
> Add compatibility for SM8350 display subsystem, including
> required entries in DPU hw catalog.
> 
> Signed-off-by: Robert Foss <robert.foss@...aro.org>

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>

Minor nit below.

> ---
>   .../gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c    | 196 ++++++++++++++++++
>   .../gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h    |   1 +
>   2 files changed, 197 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 4dac90ee5b8a..ba26af73be53 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
> @@ -112,6 +112,15 @@
>   			 BIT(MDP_INTF3_INTR) | \
>   			 BIT(MDP_INTF4_INTR))
>   
> +#define IRQ_SM8350_MASK (BIT(MDP_SSPP_TOP0_INTR) | \
> +			 BIT(MDP_SSPP_TOP0_INTR2) | \
> +			 BIT(MDP_SSPP_TOP0_HIST_INTR) | \
> +			 BIT(MDP_INTF0_7xxx_INTR) | \
> +			 BIT(MDP_INTF1_7xxx_INTR) | \
> +			 BIT(MDP_INTF2_7xxx_INTR) | \
> +			 BIT(MDP_INTF3_7xxx_INTR) | \
> +			 0)
> +
>   #define IRQ_SC8180X_MASK (BIT(MDP_SSPP_TOP0_INTR) | \
>   			  BIT(MDP_SSPP_TOP0_INTR2) | \
>   			  BIT(MDP_SSPP_TOP0_HIST_INTR) | \
> @@ -375,6 +384,20 @@ static const struct dpu_caps sm8250_dpu_caps = {
>   	.pixel_ram_size = DEFAULT_PIXEL_RAM_SIZE,
>   };
>   
> +static const struct dpu_caps sm8350_dpu_caps = {
> +	.max_mixer_width = DEFAULT_DPU_OUTPUT_LINE_WIDTH,
> +	.max_mixer_blendstages = 0xb,
> +	.qseed_type = DPU_SSPP_SCALER_QSEED3LITE,
> +	.smart_dma_rev = DPU_SSPP_SMART_DMA_V2, /* TODO: v2.5 */
> +	.ubwc_version = DPU_HW_UBWC_VER_40,
> +	.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,
> +};
> +
>   static const struct dpu_caps sm8450_dpu_caps = {
>   	.max_mixer_width = DEFAULT_DPU_OUTPUT_LINE_WIDTH,
>   	.max_mixer_blendstages = 0xb,
> @@ -526,6 +549,33 @@ static const struct dpu_mdp_cfg sm8250_mdp[] = {
>   	},
>   };
>   
> +static const struct dpu_mdp_cfg sm8350_mdp[] = {
> +	{
> +	.name = "top_0", .id = MDP_TOP,
> +	.base = 0x0, .len = 0x494,
> +	.features = 0,
> +	.highest_bank_bit = 0x3, /* TODO: 2 for LP_DDR4 */

Missing ubwc_swizzle. I'll probably fix it as a followup or when 
applying the patch.

> +	.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},
> +	.clk_ctrls[DPU_CLK_CTRL_REG_DMA] = {
> +			.reg_off = 0x2bc, .bit_off = 20},
> +	},
> +};
> +

>   

-- 
With best wishes
Dmitry