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Thu, 27 May 2021 16:45:07 -0700 (PDT) Subject: Re: [RFC PATCH 03/13] drm/msm/dsi: add support for dsc data To: Vinod Koul , Rob Clark Cc: linux-arm-msm@vger.kernel.org, Bjorn Andersson , David Airlie , Daniel Vetter , Jonathan Marek , Abhinav Kumar , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org References: <20210521124946.3617862-1-vkoul@kernel.org> <20210521124946.3617862-5-vkoul@kernel.org> From: Dmitry Baryshkov Message-ID: <73815f0b-b6d1-f6f3-d7aa-f77492861967@linaro.org> Date: Fri, 28 May 2021 02:45:07 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.10.0 MIME-Version: 1.0 In-Reply-To: <20210521124946.3617862-5-vkoul@kernel.org> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-GB Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 21/05/2021 15:49, Vinod Koul wrote: > DSC needs some configuration from device tree, add support to read and > store these params and add DSC structures in msm_drv > > Signed-off-by: Vinod Koul > --- > drivers/gpu/drm/msm/dsi/dsi_host.c | 170 +++++++++++++++++++++++++++++ > drivers/gpu/drm/msm/msm_drv.h | 32 ++++++ > 2 files changed, 202 insertions(+) > [skipped] > DRM_DEV_ERROR(dev, "%s: invalid lane configuration %d\n", > diff --git a/drivers/gpu/drm/msm/msm_drv.h b/drivers/gpu/drm/msm/msm_drv.h > index 2668941df529..26661dd43936 100644 > --- a/drivers/gpu/drm/msm/msm_drv.h > +++ b/drivers/gpu/drm/msm/msm_drv.h > @@ -30,6 +30,7 @@ > #include > #include > #include > +#include > #include > #include > > @@ -70,6 +71,16 @@ enum msm_mdp_plane_property { > #define MSM_GPU_MAX_RINGS 4 > #define MAX_H_TILES_PER_DISPLAY 2 > > +/** > + * enum msm_display_compression_type - compression method used for pixel stream > + * @MSM_DISPLAY_COMPRESSION_NONE: Pixel data is not compressed > + * @MSM_DISPLAY_COMPRESSION_DSC: DSC compresison is used > + */ > +enum msm_display_compression_type { > + MSM_DISPLAY_COMPRESSION_NONE, > + MSM_DISPLAY_COMPRESSION_DSC, > +}; > + Seems to be unused > /** > * enum msm_display_caps - features/capabilities supported by displays > * @MSM_DISPLAY_CAP_VID_MODE: Video or "active" mode supported -- With best wishes Dmitry