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charset="utf-8" QCOM_UBWC_CONFIG is about to depend on QCOM_SMEM. Guard the DRM_MSM select with 'if ARCH_QCOM && QCOM_SMEM', and add 'depends on QCOM_SMEM || QCOM_SMEM=3Dn' so a built-in driver is never selected against a missing or modular SMEM. Fixes: 1b445022d1d0 ("soc: qcom: ubwc: Get HBB from SMEM") Reviewed-by: Konrad Dybcio Acked-by: Dmitry Baryshkov Reviewed-by: Dmitry Baryshkov Signed-off-by: Daniel Baluta Tested-by: Nathan Chancellor # build --- drivers/gpu/drm/msm/Kconfig | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/msm/Kconfig b/drivers/gpu/drm/msm/Kconfig index 09469d56513b0..ed1c4775d1e92 100644 --- a/drivers/gpu/drm/msm/Kconfig +++ b/drivers/gpu/drm/msm/Kconfig @@ -11,6 +11,7 @@ config DRM_MSM depends on QCOM_OCMEM || QCOM_OCMEM=3Dn depends on QCOM_LLCC || QCOM_LLCC=3Dn depends on QCOM_COMMAND_DB || QCOM_COMMAND_DB=3Dn + depends on QCOM_SMEM || QCOM_SMEM=3Dn depends on PM select IOMMU_IO_PGTABLE select QCOM_MDT_LOADER if ARCH_QCOM @@ -22,7 +23,7 @@ config DRM_MSM select TMPFS select QCOM_SCM select QCOM_PAS - select QCOM_UBWC_CONFIG + select QCOM_UBWC_CONFIG if ARCH_QCOM && QCOM_SMEM select WANT_DEV_COREDUMP select SND_SOC_HDMI_CODEC if SND_SOC select SYNC_FILE --=20 2.45.2 From nobody Mon Sep 28 21:03:33 2026 Received: from DB3PR0202CU003.outbound.protection.outlook.com (mail-northeuropeazon11010062.outbound.protection.outlook.com [52.101.84.62]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9877641A56D; 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charset="utf-8" QCOM_UBWC_CONFIG is about to depend on QCOM_SMEM. Guard the VIDEO_QCOM_IRIS select with 'if ARCH_QCOM && QCOM_SMEM', and add 'depends on QCOM_SMEM || QCOM_SMEM=3Dn' so a built-in driver is never selected against a missing or modular SMEM. Fixes: c43207553867 ("media: iris: retrieve UBWC platform configuration") Reviewed-by: Konrad Dybcio Signed-off-by: Daniel Baluta Reviewed-by: Dmitry Baryshkov Tested-by: Nathan Chancellor # build --- drivers/media/platform/qcom/iris/Kconfig | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/media/platform/qcom/iris/Kconfig b/drivers/media/platf= orm/qcom/iris/Kconfig index 388c9bbc81365..0996213e71e7a 100644 --- a/drivers/media/platform/qcom/iris/Kconfig +++ b/drivers/media/platform/qcom/iris/Kconfig @@ -2,11 +2,12 @@ config VIDEO_QCOM_IRIS tristate "Qualcomm iris V4L2 decoder driver" depends on VIDEO_DEV depends on ARCH_QCOM || COMPILE_TEST + depends on QCOM_SMEM || QCOM_SMEM=3Dn select V4L2_MEM2MEM_DEV select QCOM_MDT_LOADER select QCOM_SCM select QCOM_PAS - select QCOM_UBWC_CONFIG + select QCOM_UBWC_CONFIG if ARCH_QCOM && QCOM_SMEM select VIDEOBUF2_DMA_CONTIG help This is a V4L2 driver for Qualcomm iris video accelerator --=20 2.45.2 From nobody Mon Sep 28 21:03:33 2026 Received: from DB3PR0202CU003.outbound.protection.outlook.com (mail-northeuropeazon11010062.outbound.protection.outlook.com [52.101.84.62]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id AEEFC41A760; 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charset="utf-8" ubwc_config.c calls qcom_smem_is_available() and qcom_smem_dram_get_hbb() unconditionally, so QCOM_UBWC_CONFIG=3Dy with QCOM_SMEM=3Dn fails to link: arm-linux-gnueabihf-ld: ubwc_config.c:(.text+0x2c): undefined reference to 'qcom_smem_is_available' Add the missing 'depends on QCOM_SMEM'. Fixes: 1b445022d1d0 ("soc: qcom: ubwc: Get HBB from SMEM") Reviewed-by: Konrad Dybcio Signed-off-by: Daniel Baluta Reviewed-by: Dmitry Baryshkov Tested-by: Nathan Chancellor # build --- drivers/soc/qcom/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/soc/qcom/Kconfig b/drivers/soc/qcom/Kconfig index fd4d4ecd2df0f..e0629e9328c87 100644 --- a/drivers/soc/qcom/Kconfig +++ b/drivers/soc/qcom/Kconfig @@ -321,6 +321,7 @@ config QCOM_QMI_HELPERS =20 config QCOM_UBWC_CONFIG tristate + depends on QCOM_SMEM help Most Qualcomm SoCs feature a number of Universal Bandwidth Compression (UBWC) engines across various IP blocks, which need to be initialized --=20 2.45.2 From nobody Mon Sep 28 21:03:33 2026 Received: from DB3PR0202CU003.outbound.protection.outlook.com (mail-northeuropeazon11010062.outbound.protection.outlook.com [52.101.84.62]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6B3C941A56A; 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