From: Stephen Boyd <swboyd@chromium.org> To: Bjorn Andersson <bjorn.andersson@linaro.org>, abhinavk@codeaurora.org Cc: Rob Clark <robdclark@gmail.com>, Sean Paul <sean@poorly.run>, David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>, sbillaka@codeaurora.org, Tanmay Shah <tanmay@codeaurora.org>, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Dmitry Baryshkov <dmitry.baryshkov@linaro.org>, freedreno@lists.freedesktop.org, Chandan Uddaraju <chandanu@codeaurora.org> Subject: Re: [Freedreno] [PATCH 4/4] drm/msm/dp: Add support for SC8180x eDP Date: Fri, 4 Jun 2021 21:56:09 +0000 [thread overview] Message-ID: <CAE-0n527b2FRKs83=9OBdUYPJXdT_fLx1-AHNA2uAQkpcSTWaQ@mail.gmail.com> (raw) In-Reply-To: <a1a8221a44edc3a509bdc1bb89bb5a97@codeaurora.org> Quoting abhinavk@codeaurora.org (2021-05-28 16:40:32) > On 2021-05-10 21:20, Bjorn Andersson wrote: > > The eDP controller found in SC8180x is at large compatible with the > > current implementation, but has its register blocks at slightly > > different offsets. > > > > Add the compatible and the new register layout. > > > I am not able to completely recall the history of why in the DP bindings > we added DP register base as a big hunk and let catalog handle the > submodule > offsets. I complained that there were many I/O regions for the DP block that didn't seem to be changing between SoCs. Nobody objected to removing it back then, but if the plan was to move things around later on then it makes sense to split it out like it was done initially. > > I guess earlier that made sense because DP sub-block offsets were fixed. > But if we plan to re-use the DP driver for eDP as well like this series, > then maybe it might be > better if this comes from device tree like the earlier version was > planning to > > https://patchwork.kernel.org/project/dri-devel/patch/0101016ec6ddf446-e87ab1ce-5cbf-40a0-a0bb-cd0151cd577a-000000@us-west-2.amazonses.com/ > Agreed.
WARNING: multiple messages have this Message-ID (diff)
From: Stephen Boyd <swboyd@chromium.org> To: Bjorn Andersson <bjorn.andersson@linaro.org>, abhinavk@codeaurora.org Cc: freedreno@lists.freedesktop.org, David Airlie <airlied@linux.ie>, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, Tanmay Shah <tanmay@codeaurora.org>, dri-devel@lists.freedesktop.org, Dmitry Baryshkov <dmitry.baryshkov@linaro.org>, sbillaka@codeaurora.org, Sean Paul <sean@poorly.run>, Chandan Uddaraju <chandanu@codeaurora.org> Subject: Re: [Freedreno] [PATCH 4/4] drm/msm/dp: Add support for SC8180x eDP Date: Fri, 4 Jun 2021 21:56:09 +0000 [thread overview] Message-ID: <CAE-0n527b2FRKs83=9OBdUYPJXdT_fLx1-AHNA2uAQkpcSTWaQ@mail.gmail.com> (raw) In-Reply-To: <a1a8221a44edc3a509bdc1bb89bb5a97@codeaurora.org> Quoting abhinavk@codeaurora.org (2021-05-28 16:40:32) > On 2021-05-10 21:20, Bjorn Andersson wrote: > > The eDP controller found in SC8180x is at large compatible with the > > current implementation, but has its register blocks at slightly > > different offsets. > > > > Add the compatible and the new register layout. > > > I am not able to completely recall the history of why in the DP bindings > we added DP register base as a big hunk and let catalog handle the > submodule > offsets. I complained that there were many I/O regions for the DP block that didn't seem to be changing between SoCs. Nobody objected to removing it back then, but if the plan was to move things around later on then it makes sense to split it out like it was done initially. > > I guess earlier that made sense because DP sub-block offsets were fixed. > But if we plan to re-use the DP driver for eDP as well like this series, > then maybe it might be > better if this comes from device tree like the earlier version was > planning to > > https://patchwork.kernel.org/project/dri-devel/patch/0101016ec6ddf446-e87ab1ce-5cbf-40a0-a0bb-cd0151cd577a-000000@us-west-2.amazonses.com/ > Agreed.
next prev parent reply other threads:[~2021-06-04 21:56 UTC|newest] Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-05-11 4:20 [PATCH 0/4] drm/msm/dp: Add support for SC8180x eDP controller Bjorn Andersson 2021-05-11 4:20 ` Bjorn Andersson 2021-05-11 4:20 ` [PATCH 1/4] drm/msm/dp: Simplify the mvid/nvid calculation Bjorn Andersson 2021-05-11 4:20 ` Bjorn Andersson 2021-05-28 23:11 ` [Freedreno] " abhinavk 2021-05-28 23:11 ` abhinavk 2021-06-08 20:13 ` Bjorn Andersson 2021-06-08 20:13 ` Bjorn Andersson 2021-06-09 0:08 ` abhinavk 2021-06-09 0:08 ` abhinavk 2021-05-11 4:20 ` [PATCH 2/4] drm/msm/dp: Store each subblock in the io region Bjorn Andersson 2021-05-11 4:20 ` Bjorn Andersson 2021-05-28 23:14 ` [Freedreno] " abhinavk 2021-05-28 23:14 ` abhinavk 2021-05-11 4:20 ` [PATCH 3/4] drm/msm/dp: Initialize the INTF_CONFIG register Bjorn Andersson 2021-05-11 4:20 ` Bjorn Andersson 2021-05-28 23:28 ` [Freedreno] " abhinavk 2021-05-28 23:28 ` abhinavk 2021-05-11 4:20 ` [PATCH 4/4] drm/msm/dp: Add support for SC8180x eDP Bjorn Andersson 2021-05-11 4:20 ` Bjorn Andersson 2021-05-28 23:40 ` [Freedreno] " abhinavk 2021-05-28 23:40 ` abhinavk 2021-05-29 17:09 ` Bjorn Andersson 2021-05-29 17:09 ` Bjorn Andersson 2021-06-04 21:56 ` Stephen Boyd [this message] 2021-06-04 21:56 ` Stephen Boyd 2021-05-19 3:41 ` [Freedreno] [PATCH 0/4] drm/msm/dp: Add support for SC8180x eDP controller abhinavk 2021-05-19 3:41 ` abhinavk 2021-05-19 14:51 ` Bjorn Andersson 2021-05-19 14:51 ` Bjorn Andersson 2021-05-28 22:37 ` abhinavk 2021-05-28 22:37 ` abhinavk
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