Re: [PATCH 1/3] dt-bindings: display: msm: Allow two MDSS power domains
Yongxing Mou <[email protected]>
| Newsgroups | org.kernel.vger.linux-arm-msm,org.freedesktop.lists.dri-devel,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <[email protected]> |
On 7/22/2026 2:18 AM, Dmitry Baryshkov wrote: > On Mon, Jul 20, 2026 at 04:43:53PM +0800, Yongxing Mou wrote: >> Kaanapali (SM8750) and Glymur use two display power domains. >> CORE_GDSC powers the main display hardware while INT2_GDSC >> powers a subset of SSPP blocks. > > I see that INT2_GDSC is defined since SC8280XP / SM8450. Does it need to > be enabled on all those platforms? > No, INT2_GDSC was introduced starting from Kaanapali for SSPP1 (VIG2/VIG3/DMA5). Prior to that, it was not actually used and essentially served as a placeholder. Sorry for the confusion. Glymur does not require INT2_GDSC to be enabled either. I previously assumed it behaved the same way as Kaanapali, but that assumption was incorrect. >> >> Allow the MDSS bindings to describe both power domains and >> their corresponding power-domain-names values. >> >> Signed-off-by: Yongxing Mou <[email protected]> >> --- >> .../devicetree/bindings/display/msm/mdss-common.yaml | 3 ++- >> .../devicetree/bindings/display/msm/qcom,glymur-mdss.yaml | 13 ++++++++++++- >> .../bindings/display/msm/qcom,kaanapali-mdss.yaml | 13 ++++++++++++- >> 3 files changed, 26 insertions(+), 3 deletions(-) >> >