Message ID | 20210113060703.3122661-1-drinkcat@chromium.org (mailing list archive) |
---|---|
Headers | show |
Series | drm/panfrost: Add support for mt8183 GPU | expand |
On 1/13/21 7:06 AM, Nicolas Boichat wrote: > Hi! > > Follow-up on the v5 [1], things have gotten significantly > better in the last 9 months, thanks to the efforts on Bifrost > support by the Collabora team (and probably others I'm not > aware of). > > I've been testing this series on a MT8183/kukui device, with a > chromeos-5.10 kernel [2], and got basic Chromium OS UI up with > mesa 20.3.2 (lots of artifacts though). Btw, don't know if you plan to retest with a newer Mesa, but a recent master should have pretty good ES 3.0 compliance on the Duet. Cheers, Tomeu > devfreq is currently not supported, as we'll need: > - Clock core support for switching the GPU core clock (see 2/4). > - Platform-specific handling of the 2-regulator (see 3/4). > > Since the latter is easy to detect, patch 3/4 just disables > devfreq if the more than one regulator is specified in the > compatible matching table. > > [1] https://patchwork.kernel.org/project/linux-mediatek/cover/20200306041345.259332-1-drinkcat@chromium.org/ > [2] https://crrev.com/c/2608070 > > Changes in v10: > - Fix the binding to make sure sram-supply property can be provided. > > Changes in v9: > - Explain why devfreq needs to be disabled for GPUs with >1 > regulators. > > Changes in v8: > - Use DRM_DEV_INFO instead of ERROR > > Changes in v7: > - Fix GPU ID in commit message > - Fix GPU ID in commit message > > Changes in v6: > - Rebased, actually tested with recent mesa driver. > > Nicolas Boichat (4): > dt-bindings: gpu: mali-bifrost: Add Mediatek MT8183 > arm64: dts: mt8183: Add node for the Mali GPU > drm/panfrost: devfreq: Disable devfreq when num_supplies > 1 > drm/panfrost: Add mt8183-mali compatible string > > .../bindings/gpu/arm,mali-bifrost.yaml | 28 +++++ > arch/arm64/boot/dts/mediatek/mt8183-evb.dts | 6 + > .../arm64/boot/dts/mediatek/mt8183-kukui.dtsi | 6 + > arch/arm64/boot/dts/mediatek/mt8183.dtsi | 105 ++++++++++++++++++ > drivers/gpu/drm/panfrost/panfrost_devfreq.c | 9 ++ > drivers/gpu/drm/panfrost/panfrost_drv.c | 10 ++ > 6 files changed, 164 insertions(+) >