linux-kernel - Re: [PATCH 03/45] drm/msm/dp: fix the intf

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Message-ID: <da2aviya67nogkkkhsbvqcgo3gvmk7uv5vb2dbdemzh6xonoo5@oqtgwgwgshmr>
Date: Mon, 6 Jan 2025 18:55:04 -0600
From: Bjorn Andersson <andersson@...nel.org>
To: Abhinav Kumar <quic_abhinavk@...cinc.com>
Cc: Rob Clark <robdclark@...il.com>, 
	Dmitry Baryshkov <dmitry.baryshkov@...aro.org>, Sean Paul <sean@...rly.run>, 
	Marijn Suijten <marijn.suijten@...ainline.org>, David Airlie <airlied@...il.com>, 
	Simona Vetter <simona@...ll.ch>, Stephen Boyd <swboyd@...omium.org>, 
	Chandan Uddaraju <chandanu@...eaurora.org>, Guenter Roeck <groeck@...omium.org>, 
	Kuogee Hsieh <quic_khsieh@...cinc.com>, Konrad Dybcio <konradybcio@...nel.org>, 
	Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
	Conor Dooley <conor+dt@...nel.org>, Vara Reddy <quic_varar@...cinc.com>, 
	Rob Clark <robdclark@...omium.org>, Tanmay Shah <tanmay@...eaurora.org>, 
	linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org, freedreno@...ts.freedesktop.org, 
	linux-kernel@...r.kernel.org, devicetree@...r.kernel.org, 
	Jessica Zhang <quic_jesszhan@...cinc.com>, Laurent Pinchart <laurent.pinchart@...asonboard.com>
Subject: Re: [PATCH 03/45] drm/msm/dp: fix the intf_type of MST interfaces

On Thu, Dec 05, 2024 at 08:31:34PM -0800, Abhinav Kumar wrote:
> Interface type of MST interfaces is currently INTF_NONE.
> Fix this to INTF_DP.
> 

Wouldn't it make sense to introduce this later in the series, once the
implementation would actually handle this case? Or could/should we have
left these INTF_DP from the start?

Regards,
Bjorn

> Signed-off-by: Abhinav Kumar <quic_abhinavk@...cinc.com>
> ---
>  drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_8_4_sa8775p.h | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_8_4_sa8775p.h b/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_8_4_sa8775p.h
> index 907b4d7ceb470b0391d2bbbab3ce520efa2b3263..2509e28e3d6b582cd837c6aea167b3f4ad877383 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_8_4_sa8775p.h
> +++ b/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_8_4_sa8775p.h
> @@ -375,7 +375,7 @@ static const struct dpu_intf_cfg sa8775p_intf[] = {
>  		.name = "intf_3", .id = INTF_3,
>  		.base = 0x37000, .len = 0x280,
>  		.features = INTF_SC7280_MASK,
> -		.type = INTF_NONE,
> +		.type = INTF_DP,
>  		.controller_id = MSM_DP_CONTROLLER_0,	/* pair with intf_0 for DP MST */
>  		.prog_fetch_lines_worst_case = 24,
>  		.intr_underrun = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 30),
> @@ -393,7 +393,7 @@ static const struct dpu_intf_cfg sa8775p_intf[] = {
>  		.name = "intf_6", .id = INTF_6,
>  		.base = 0x3A000, .len = 0x280,
>  		.features = INTF_SC7280_MASK,
> -		.type = INTF_NONE,
> +		.type = INTF_DP,
>  		.controller_id = MSM_DP_CONTROLLER_0,	/* pair with intf_0 for DP MST */
>  		.prog_fetch_lines_worst_case = 24,
>  		.intr_underrun = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 17),
> @@ -402,7 +402,7 @@ static const struct dpu_intf_cfg sa8775p_intf[] = {
>  		.name = "intf_7", .id = INTF_7,
>  		.base = 0x3b000, .len = 0x280,
>  		.features = INTF_SC7280_MASK,
> -		.type = INTF_NONE,
> +		.type = INTF_DP,
>  		.controller_id = MSM_DP_CONTROLLER_0,	/* pair with intf_0 for DP MST */
>  		.prog_fetch_lines_worst_case = 24,
>  		.intr_underrun = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 18),
> @@ -411,7 +411,7 @@ static const struct dpu_intf_cfg sa8775p_intf[] = {
>  		.name = "intf_8", .id = INTF_8,
>  		.base = 0x3c000, .len = 0x280,
>  		.features = INTF_SC7280_MASK,
> -		.type = INTF_NONE,
> +		.type = INTF_DP,
>  		.controller_id = MSM_DP_CONTROLLER_1,	/* pair with intf_4 for DP MST */
>  		.prog_fetch_lines_worst_case = 24,
>  		.intr_underrun = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 12),
> 
> -- 
> 2.34.1
>