Message ID | 20230221153740.1620529-1-angelogioacchino.delregno@collabora.com (mailing list archive) |
---|---|
Headers | show |
Series | Panfrost: Improve and add MediaTek SoCs support | expand |
On Tue, Feb 21, 2023 at 04:37:30PM +0100, AngeloGioacchino Del Regno wrote: > Changes in v2: > - Add power-domain-names commit from Chen-Yu to the series > - Kept sram-supply in base schema, overridden for non-MediaTek > - Added Reviewed-by tags from Steven Price to the driver commits > (as released in reply to v1's cover letter - thanks!) > > This series adds support for new MediaTek SoCs (MT8186/MT8192/MT8195) > and improves MT8183 support: since the mtk-regulator-coupler driver > was picked, it is now useless for Panfrost to look for, and manage, > two regulators (GPU Vcore and GPU SRAM) on MediaTek; > > The aforementioned driver will take care of keeping the voltage > relation (/constraints) of the two regulators on its own when a > voltage change request is sent to the Vcore, solving the old time > issue with not working DVFS on Panfrost+MediaTek (due to devfreq > supporting only single regulator). > > In the specific case of MT8183, in order to not break the ABI, it > was necessary to add a new compatible for enabling DVFS. > > Alyssa Rosenzweig (3): > drm/panfrost: Increase MAX_PM_DOMAINS to 5 > drm/panfrost: Add the MT8192 GPU ID > drm/panfrost: Add mediatek,mt8192-mali compatible > > AngeloGioacchino Del Regno (6): > dt-bindings: gpu: mali-bifrost: Split out MediaTek power-domains > variation > dt-bindings: gpu: mali-bifrost: Allow up to 5 power domains for MT8192 > dt-bindings: gpu: mali-bifrost: Add compatible for MT8195 SoC > dt-bindings: gpu: mali-bifrost: Add new MT8183 compatible > dt-bindings: gpu: mali-bifrost: Add a compatible for MediaTek MT8186 > drm/panfrost: Add new compatible for Mali on the MT8183 SoC > > Chen-Yu Tsai (1): > dt-bindings: gpu: mali-bifrost: Add power-domain-names to base schema > > .../bindings/gpu/arm,mali-bifrost.yaml | 67 ++++++++++++++++++- > drivers/gpu/drm/panfrost/panfrost_device.h | 2 +- > drivers/gpu/drm/panfrost/panfrost_drv.c | 28 ++++++++ > drivers/gpu/drm/panfrost/panfrost_gpu.c | 8 +++ > 4 files changed, 101 insertions(+), 4 deletions(-) Tested-by: Chen-Yu Tsai <wenst@chromium.org> on MT8183, MT8186, MT8192, MT8195 with glmark2.
On Wed, Feb 22, 2023 at 3:55 PM Chen-Yu Tsai <wenst@chromium.org> wrote: > > On Tue, Feb 21, 2023 at 04:37:30PM +0100, AngeloGioacchino Del Regno wrote: > > Changes in v2: > > - Add power-domain-names commit from Chen-Yu to the series > > - Kept sram-supply in base schema, overridden for non-MediaTek > > - Added Reviewed-by tags from Steven Price to the driver commits > > (as released in reply to v1's cover letter - thanks!) > > > > This series adds support for new MediaTek SoCs (MT8186/MT8192/MT8195) > > and improves MT8183 support: since the mtk-regulator-coupler driver > > was picked, it is now useless for Panfrost to look for, and manage, > > two regulators (GPU Vcore and GPU SRAM) on MediaTek; > > > > The aforementioned driver will take care of keeping the voltage > > relation (/constraints) of the two regulators on its own when a > > voltage change request is sent to the Vcore, solving the old time > > issue with not working DVFS on Panfrost+MediaTek (due to devfreq > > supporting only single regulator). > > > > In the specific case of MT8183, in order to not break the ABI, it > > was necessary to add a new compatible for enabling DVFS. > > > > Alyssa Rosenzweig (3): > > drm/panfrost: Increase MAX_PM_DOMAINS to 5 > > drm/panfrost: Add the MT8192 GPU ID > > drm/panfrost: Add mediatek,mt8192-mali compatible > > > > AngeloGioacchino Del Regno (6): > > dt-bindings: gpu: mali-bifrost: Split out MediaTek power-domains > > variation > > dt-bindings: gpu: mali-bifrost: Allow up to 5 power domains for MT8192 > > dt-bindings: gpu: mali-bifrost: Add compatible for MT8195 SoC > > dt-bindings: gpu: mali-bifrost: Add new MT8183 compatible > > dt-bindings: gpu: mali-bifrost: Add a compatible for MediaTek MT8186 > > drm/panfrost: Add new compatible for Mali on the MT8183 SoC > > > > Chen-Yu Tsai (1): > > dt-bindings: gpu: mali-bifrost: Add power-domain-names to base schema > > > > .../bindings/gpu/arm,mali-bifrost.yaml | 67 ++++++++++++++++++- > > drivers/gpu/drm/panfrost/panfrost_device.h | 2 +- > > drivers/gpu/drm/panfrost/panfrost_drv.c | 28 ++++++++ > > drivers/gpu/drm/panfrost/panfrost_gpu.c | 8 +++ > > 4 files changed, 101 insertions(+), 4 deletions(-) > > Tested-by: Chen-Yu Tsai <wenst@chromium.org> > > on MT8183, MT8186, MT8192, MT8195 with glmark2. Note: the MT8186 was tested with incorrect bindings with one extra power domain, but that doesn't affect functionality.