Hello Paolo, On 11/20/2014 04:57 PM, Paolo Pisati wrote: > On Thu, Nov 20, 2014 at 03:22:23PM +0530, Vivek Gautam wrote: >> >> On linux-samsung tree the only patch that's missing apart from dptx-phy patches >> is the syscon patch from Pankaj Dubey: >> b784b98 mfd: syscon: Decouple syscon interface from platform devices >> >> So with below git hash, linux-samsung/for-next display works fine along with >> other devices that request PMU system controller : >> >> 7bd219e drm/exynos: dp: Remove support for unused dptx-phy >> e8f21fd arm: dts: Exynos5: Use pmu_system_controller phandle for dp phy >> 7099bde Revert "Revert "ARM: exynos_defconfig: Enable options for >> display panel support"" >> 713a994 mfd: syscon: Decouple syscon interface from platform devices >> 7552917 Revert "ARM: exynos_defconfig: Enable options for display >> panel support" /* This is Kukjin's for-next today */ >> ff0391a Merge branch 'v3.19-samsung-defconfig' into for-next >> 26c6283 Merge branch 'v3.18-samsung-fixes' into for-next >> cf864fd Merge branch 'v3.18-samsung-defconfig' into for-next >> 98b6380 ARM: exynos_defconfig: Enable max77802 rtc and clock drivers >> 839275c ARM: exynos_defconfig: Use 16 minors per MMC block device >> 0526f27 ARM: dts: Explicitly set dr_mode on exynos5250-snow >> fc14f9c Linux 3.18-rc5 > > are you using a clean exynos_defconfig? > don't you need Javier's "drm/exynos: Move platform drivers registration to > module init" patch too? > Since Kukjin's for-next is based on Linux 3.18-rc5, the OF patch that causes the Exynos DRM deadlock is not there. That commit landed in next20141105. > kgene/for-next at: > > 7552917 Revert "ARM: exynos_defconfig: Enable options for display panel support" > > plus: > > 5e1e068 arm: dts: Exynos5: Use pmu_system_controller phandle for dp phy > 36d908e drm/exynos: dp: Remove support for unused dptx-phy > 624bff2 POSTED: mfd: syscon: Decouple syscon interface from syscon devices > 68944e3 Revert "Revert "ARM: exynos_defconfig: Enable options for display panel support"" > > hangs with a black screen (albeit backlight seems to be on) on boot. > I'm betting on Javier's patch at this point (i even tried disabling SND_SOC_SNOW > but that didn't help). > I only tested with next20141120 but Vivek tested with Kukjin for-next AFAIU. What's your kernel command line and u-boot env vars? Best regards, Javier -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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