On Mon, 24 Jun 2019 at 01:36, Chanwoo Choi <cw00.choi@xxxxxxxxxxx> wrote: > > On 19. 6. 24. 오전 4:16, Krzysztof Kozlowski wrote: > > On Sun, 23 Jun 2019 at 06:31, Chanwoo Choi <cwchoi00@xxxxxxxxx> wrote: > >> > >> Hi Krzysztof, > >> > >> 2019년 6월 23일 (일) 오전 4:20, Krzysztof Kozlowski <krzk@xxxxxxxxxx>님이 작성: > >>> > >>> Enable support for Mali GPU with Panfrost and Lima drivers for: > >>> 1. Samsung Exynos5433 and Exynos7 (having Mali T760), > >>> 2. Allwiner A64 and H5 (Mali 400/450). > >>> > >>> Signed-off-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx> > >>> > >>> --- > >>> > >>> Changes since v1: > >>> 1. Enable Lima driver > >>> --- > >>> arch/arm64/configs/defconfig | 3 ++- > >>> 1 file changed, 2 insertions(+), 1 deletion(-) > >>> > >>> diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig > >>> index fbbc065415d4..3d31611368af 100644 > >>> --- a/arch/arm64/configs/defconfig > >>> +++ b/arch/arm64/configs/defconfig > >>> @@ -518,6 +518,8 @@ CONFIG_DRM_HISI_HIBMC=m > >>> CONFIG_DRM_HISI_KIRIN=m > >>> CONFIG_DRM_MESON=m > >>> CONFIG_DRM_PL111=m > >>> +CONFIG_DRM_LIMA=m > >>> +CONFIG_DRM_PANFROST=m > >>> CONFIG_FB=y > >>> CONFIG_FB_MODE_HELPERS=y > >>> CONFIG_BACKLIGHT_GENERIC=m > >>> @@ -718,7 +720,6 @@ CONFIG_ARCH_TEGRA_194_SOC=y > >>> CONFIG_ARCH_K3_AM6_SOC=y > >>> CONFIG_SOC_TI=y > >>> CONFIG_TI_SCI_PM_DOMAINS=y > >>> -CONFIG_DEVFREQ_GOV_SIMPLE_ONDEMAND=y > >> > >> Exynos5433-tm2 board support the exynos-bus device which > >> used the simple_ondmenad governor of devfreq. > >> Why do you remove this configuration from the defconfig? > > > > It is selected by default by DRM_PANFROST. The difference is that > > PANFROST selects it as module. The 'y' is chosen because of: > > SCSI_UFSHCD [=y] && SCSI_LOWLEVEL [=y] && SCSI [=y] && SCSI_DMA [=y] > > When I tried to find the history of CONFIG_DEVFREQ_GOV_SIMPLE_ONDEMAND > for defconfig, the following patch[1] added this configuration. > [1] b972ff75f2938c39e2205c23ea0e531d36b27f86 > - "arm64: defconfig: Enable UFS on msm8996" > > I think that this patch will affect the opration of 'USF on msm8998'. Hi Chanwoo, Thanks for the feedback. Unfortunately I do not see how removing a dependency will affect that SCSI_UFSHCD. The DEVFREQ_GOV_SIMPLE_ONDEMAND is still built in, exactly the same as before... Best regards, Krzysztof
