linux-kernel - Re: [PATCH 06/10] drm/msm/dsi: dsi_cfg: Merge SC7180 config into SDM845

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Date:   Sat, 11 Feb 2023 17:52:48 +0200
From:   Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To:     Konrad Dybcio <konrad.dybcio@...aro.org>,
        linux-arm-msm@...r.kernel.org, andersson@...nel.org,
        agross@...nel.org, krzysztof.kozlowski@...aro.org
Cc:     marijn.suijten@...ainline.org, Rob Clark <robdclark@...il.com>,
        Abhinav Kumar <quic_abhinavk@...cinc.com>,
        Sean Paul <sean@...rly.run>, David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Douglas Anderson <dianders@...omium.org>,
        Loic Poulain <loic.poulain@...aro.org>,
        Neil Armstrong <neil.armstrong@...aro.org>,
        Harigovindan P <harigovi@...eaurora.org>,
        dri-devel@...ts.freedesktop.org, freedreno@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 06/10] drm/msm/dsi: dsi_cfg: Merge SC7180 config into
 SDM845

On 11/02/2023 13:51, Konrad Dybcio wrote:
> The configs are identical, other than the number of *maximum* DSI
> hosts allowed. This isn't an issue, unless somebody deliberately
> tries to access the inexistent host by adding a dt node for it.
> 
> Remove the SC7180 struct and point the hw revision match to the
> SDM845's one. On a note, this could have been done back when
> 7180 support was introduced.
> 
> Fixes: 6125bd327e16 ("drm/msm: add DSI support for sc7180")

Same comment regarding Fixes

Other than that:

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

> Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
> ---
>   drivers/gpu/drm/msm/dsi/dsi_cfg.c | 15 ++-------------
>   1 file changed, 2 insertions(+), 13 deletions(-)
> 
> diff --git a/drivers/gpu/drm/msm/dsi/dsi_cfg.c b/drivers/gpu/drm/msm/dsi/dsi_cfg.c
> index 860681bfc084..142a0f1e2576 100644
> --- a/drivers/gpu/drm/msm/dsi/dsi_cfg.c
> +++ b/drivers/gpu/drm/msm/dsi/dsi_cfg.c
> @@ -169,7 +169,7 @@ static const struct msm_dsi_config sdm845_dsi_cfg = {
>   	.bus_clk_names = dsi_v2_4_clk_names,
>   	.num_bus_clks = ARRAY_SIZE(dsi_v2_4_clk_names),
>   	.io_start = {
> -		{ 0xae94000, 0xae96000, 0 },
> +		{ 0xae94000, 0xae96000, 0 }, /* SDM845 / SDM670 / SC7180 */
>   	},
>   };
>   
> @@ -188,17 +188,6 @@ static const struct msm_dsi_config sm8550_dsi_cfg = {
>   	},
>   };
>   
> -static const struct msm_dsi_config sc7180_dsi_cfg = {
> -	.io_offset = DSI_6G_REG_SHIFT,
> -	.regulator_data = dsi_v2_4_regulators,
> -	.num_regulators = ARRAY_SIZE(dsi_v2_4_regulators),
> -	.bus_clk_names = dsi_v2_4_clk_names,
> -	.num_bus_clks = ARRAY_SIZE(dsi_v2_4_clk_names),
> -	.io_start = {
> -		{ 0xae94000, 0 },
> -	},
> -};
> -
>   static const struct regulator_bulk_data sc7280_dsi_regulators[] = {
>   	{ .supply = "vdda", .init_load_uA = 8350 },	/* 1.2 V */
>   };
> @@ -299,7 +288,7 @@ static const struct msm_dsi_cfg_handler dsi_cfg_handlers[] = {
>   	{MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V2_4_0,
>   		&sdm845_dsi_cfg, &msm_dsi_6g_v2_host_ops},
>   	{MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V2_4_1,
> -		&sc7180_dsi_cfg, &msm_dsi_6g_v2_host_ops},
> +		&sdm845_dsi_cfg, &msm_dsi_6g_v2_host_ops},
>   	{MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V2_5_0,
>   		&sc7280_dsi_cfg, &msm_dsi_6g_v2_host_ops},
>   	{MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V2_6_0,

-- 
With best wishes
Dmitry