linux-kernel - Re: [PATCH 7/8] drm/msm/dpu: add SM8150 to hw catalog

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Message-ID: <1109ea8b-38a5-37ea-7ed8-a4ead99658e2@marek.ca>
Date:   Thu, 11 Jun 2020 10:45:01 -0400
From:   Jonathan Marek <jonathan@...ek.ca>
To:     Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        freedreno@...ts.freedesktop.org
Cc:     Rob Clark <robdclark@...il.com>, Sean Paul <sean@...rly.run>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Shubhashree Dhar <dhar@...eaurora.org>,
        Raviteja Tamatam <travitej@...eaurora.org>,
        Kalyan Thota <kalyan_t@...eaurora.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Stephen Boyd <swboyd@...omium.org>,
        Alexios Zavras <alexios.zavras@...el.com>,
        Allison Randal <allison@...utok.net>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "open list:DRM DRIVER FOR MSM ADRENO GPU" 
        <linux-arm-msm@...r.kernel.org>,
        "open list:DRM DRIVER FOR MSM ADRENO GPU" 
        <dri-devel@...ts.freedesktop.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 7/8] drm/msm/dpu: add SM8150 to hw catalog

On 6/11/20 10:37 AM, Dmitry Baryshkov wrote:
> On 26/05/2020 06:22, Jonathan Marek wrote:
>> This brings up basic video mode functionality for SM8150 DPU. Command 
>> mode
>> and dual mixer/intf configurations are not working, future patches will
>> address this. Scaler functionality and multiple planes is also untested.
>>
>> Signed-off-by: Jonathan Marek <jonathan@...ek.ca>
>> ---
>>   .../gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c    | 147 ++++++++++++++++++
>>   drivers/gpu/drm/msm/disp/dpu1/dpu_hw_mdss.h   |   2 +
>>   2 files changed, 149 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 1e64fa08c219..f99622870676 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 +90,23 @@ static const struct dpu_caps sc7180_dpu_caps = {
>>       .pixel_ram_size = DEFAULT_PIXEL_RAM_SIZE,
>>   };
>> +static const struct dpu_caps sm8150_dpu_caps = {
>> +    .max_mixer_width = DEFAULT_DPU_OUTPUT_LINE_WIDTH,
>> +    .max_mixer_blendstages = 0xb,
>> +    .max_linewidth = 4096,
>> +    .qseed_type = DPU_SSPP_SCALER_QSEED3,
>> +    .smart_dma_rev = DPU_SSPP_SMART_DMA_V2_5,
> 
> It seems you missed sending a patch adding support for 
> DPU_SSPP_SMART_DMA_V2_5. Could you please point to it?
> 
> 

There are no other changes related to that, the driver never checks 
smart_dma_rev and the correct version number is only set for when the 
driver supports it (if ever).