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Message-ID: <CAA8EJpqfCfETawp1up76S6gryO+Q4KxPB3ThwZCe7DCkp=GkBQ@mail.gmail.com>
Date: Fri, 8 Dec 2023 13:44:18 +0200
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Abhinav Kumar <quic_abhinavk@...cinc.com>
Cc: freedreno@...ts.freedesktop.org, Rob Clark <robdclark@...il.com>,
Sean Paul <sean@...rly.run>,
Marijn Suijten <marijn.suijten@...ainline.org>,
David Airlie <airlied@...il.com>,
Daniel Vetter <daniel@...ll.ch>, quic_jesszhan@...cinc.com,
quic_parellan@...cinc.com, linux-kernel@...r.kernel.org,
dri-devel@...ts.freedesktop.org, linux-arm-msm@...r.kernel.org
Subject: Re: [PATCH v2 15/16] drm/msm/dpu: introduce separate wb2_format
arrays for rgb and yuv
On Fri, 8 Dec 2023 at 07:07, Abhinav Kumar <quic_abhinavk@...cinc.com> wrote:
>
> Lets rename the existing wb2_formats array wb2_formats_rgb to indicate
> that it has only RGB formats and can be used on any chipset having a WB
> block.
>
> Introduce a new wb2_formats_rgb_yuv array to the catalog to
> indicate support for YUV formats to writeback in addition to RGB.
>
> Chipsets which have support for CDM block will use the newly added
> wb2_formats_rgb_yuv array.
This means that the catalog can go out of sync, if one adds a CDM
block but doesn't update wb_formats and vice versa.
Can we deduce the format list from the WB code? Is the format list
really static or does it change between platforms (please keep msm8996
/ msm8998 in mind).
>
> Signed-off-by: Abhinav Kumar <quic_abhinavk@...cinc.com>
> ---
> .../msm/disp/dpu1/catalog/dpu_10_0_sm8650.h | 4 +-
> .../msm/disp/dpu1/catalog/dpu_6_0_sm8250.h | 4 +-
> .../msm/disp/dpu1/catalog/dpu_6_2_sc7180.h | 4 +-
> .../msm/disp/dpu1/catalog/dpu_7_2_sc7280.h | 4 +-
> .../msm/disp/dpu1/catalog/dpu_9_0_sm8550.h | 4 +-
> .../gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c | 37 ++++++++++++++++++-
> 6 files changed, 46 insertions(+), 11 deletions(-)
>
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_10_0_sm8650.h b/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_10_0_sm8650.h
> index 04d2a73dd942..eb5dfff2ec4f 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_10_0_sm8650.h
> +++ b/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_10_0_sm8650.h
> @@ -341,8 +341,8 @@ static const struct dpu_wb_cfg sm8650_wb[] = {
> .name = "wb_2", .id = WB_2,
> .base = 0x65000, .len = 0x2c8,
> .features = WB_SM8250_MASK,
> - .format_list = wb2_formats,
> - .num_formats = ARRAY_SIZE(wb2_formats),
> + .format_list = wb2_formats_rgb,
> + .num_formats = ARRAY_SIZE(wb2_formats_rgb),
> .xin_id = 6,
> .vbif_idx = VBIF_RT,
> .maxlinewidth = 4096,
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_6_0_sm8250.h b/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_6_0_sm8250.h
> index 58b0f50518c8..a57d50b1f028 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_6_0_sm8250.h
> +++ b/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_6_0_sm8250.h
> @@ -336,8 +336,8 @@ static const struct dpu_wb_cfg sm8250_wb[] = {
> .name = "wb_2", .id = WB_2,
> .base = 0x65000, .len = 0x2c8,
> .features = WB_SM8250_MASK,
> - .format_list = wb2_formats,
> - .num_formats = ARRAY_SIZE(wb2_formats),
> + .format_list = wb2_formats_rgb_yuv,
> + .num_formats = ARRAY_SIZE(wb2_formats_rgb_yuv),
> .clk_ctrl = DPU_CLK_CTRL_WB2,
> .xin_id = 6,
> .vbif_idx = VBIF_RT,
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_6_2_sc7180.h b/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_6_2_sc7180.h
> index bcfedfc8251a..7382ebb6e5b2 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_6_2_sc7180.h
> +++ b/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_6_2_sc7180.h
> @@ -157,8 +157,8 @@ static const struct dpu_wb_cfg sc7180_wb[] = {
> .name = "wb_2", .id = WB_2,
> .base = 0x65000, .len = 0x2c8,
> .features = WB_SM8250_MASK,
> - .format_list = wb2_formats,
> - .num_formats = ARRAY_SIZE(wb2_formats),
> + .format_list = wb2_formats_rgb,
> + .num_formats = ARRAY_SIZE(wb2_formats_rgb),
> .clk_ctrl = DPU_CLK_CTRL_WB2,
> .xin_id = 6,
> .vbif_idx = VBIF_RT,
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_7_2_sc7280.h b/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_7_2_sc7280.h
> index 19c2b7454796..2f153e0b5c6a 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_7_2_sc7280.h
> +++ b/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_7_2_sc7280.h
> @@ -169,8 +169,8 @@ static const struct dpu_wb_cfg sc7280_wb[] = {
> .name = "wb_2", .id = WB_2,
> .base = 0x65000, .len = 0x2c8,
> .features = WB_SM8250_MASK,
> - .format_list = wb2_formats,
> - .num_formats = ARRAY_SIZE(wb2_formats),
> + .format_list = wb2_formats_rgb_yuv,
> + .num_formats = ARRAY_SIZE(wb2_formats_rgb_yuv),
> .clk_ctrl = DPU_CLK_CTRL_WB2,
> .xin_id = 6,
> .vbif_idx = VBIF_RT,
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_9_0_sm8550.h b/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_9_0_sm8550.h
> index bf56265967c0..ad48defa154f 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_9_0_sm8550.h
> +++ b/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_9_0_sm8550.h
> @@ -315,8 +315,8 @@ static const struct dpu_wb_cfg sm8550_wb[] = {
> .name = "wb_2", .id = WB_2,
> .base = 0x65000, .len = 0x2c8,
> .features = WB_SM8250_MASK,
> - .format_list = wb2_formats,
> - .num_formats = ARRAY_SIZE(wb2_formats),
> + .format_list = wb2_formats_rgb,
> + .num_formats = ARRAY_SIZE(wb2_formats_rgb),
> .xin_id = 6,
> .vbif_idx = VBIF_RT,
> .maxlinewidth = 4096,
> 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 1be3156cde05..c52cac7a2288 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
> @@ -202,7 +202,7 @@ static const u32 rotation_v2_formats[] = {
> /* TODO add formats after validation */
> };
>
> -static const uint32_t wb2_formats[] = {
> +static const uint32_t wb2_formats_rgb[] = {
> DRM_FORMAT_RGB565,
> DRM_FORMAT_BGR565,
> DRM_FORMAT_RGB888,
> @@ -236,6 +236,41 @@ static const uint32_t wb2_formats[] = {
> DRM_FORMAT_XBGR4444,
> };
>
> +static const uint32_t wb2_formats_rgb_yuv[] = {
> + DRM_FORMAT_RGB565,
> + DRM_FORMAT_BGR565,
> + DRM_FORMAT_RGB888,
> + DRM_FORMAT_ARGB8888,
> + DRM_FORMAT_RGBA8888,
> + DRM_FORMAT_ABGR8888,
> + DRM_FORMAT_XRGB8888,
> + DRM_FORMAT_RGBX8888,
> + DRM_FORMAT_XBGR8888,
> + DRM_FORMAT_ARGB1555,
> + DRM_FORMAT_RGBA5551,
> + DRM_FORMAT_XRGB1555,
> + DRM_FORMAT_RGBX5551,
> + DRM_FORMAT_ARGB4444,
> + DRM_FORMAT_RGBA4444,
> + DRM_FORMAT_RGBX4444,
> + DRM_FORMAT_XRGB4444,
> + DRM_FORMAT_BGR565,
> + DRM_FORMAT_BGR888,
> + DRM_FORMAT_ABGR8888,
> + DRM_FORMAT_BGRA8888,
> + DRM_FORMAT_BGRX8888,
> + DRM_FORMAT_XBGR8888,
> + DRM_FORMAT_ABGR1555,
> + DRM_FORMAT_BGRA5551,
> + DRM_FORMAT_XBGR1555,
> + DRM_FORMAT_BGRX5551,
> + DRM_FORMAT_ABGR4444,
> + DRM_FORMAT_BGRA4444,
> + DRM_FORMAT_BGRX4444,
> + DRM_FORMAT_XBGR4444,
> + DRM_FORMAT_NV12,
> +};
> +
> /*************************************************************
> * SSPP sub blocks config
> *************************************************************/
> --
> 2.40.1
>
--
With best wishes
Dmitry
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