From: Tianrui Zhao <zhaotianrui@loongson.cn> LoongArch inclusion category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/IB8U6Q CVE: NA -------------------------------- LS7A2000 no longer use loongson drm driver, but instead use dkms software package. Signed-off-by: Tianrui Zhao <zhaotianrui@loongson.cn> --- arch/loongarch/configs/loongson3_defconfig | 2 +- drivers/gpu/drm/loongson/lsdc_drv.c | 9 +++++++++ 2 files changed, 10 insertions(+), 1 deletion(-) diff --git a/arch/loongarch/configs/loongson3_defconfig b/arch/loongarch/configs/loongson3_defconfig index 5602d9fe182b..87f95a997e83 100644 --- a/arch/loongarch/configs/loongson3_defconfig +++ b/arch/loongarch/configs/loongson3_defconfig @@ -1473,7 +1473,7 @@ CONFIG_DRM_AST_LOONGSON=y CONFIG_DRM_MGAG200=m CONFIG_DRM_QXL=m CONFIG_DRM_VIRTIO_GPU=m -CONFIG_DRM_LOONGSON=y +CONFIG_DRM_LOONGSON=m CONFIG_DRM_BOCHS=m CONFIG_DRM_CIRRUS_QEMU=m CONFIG_FB=y diff --git a/drivers/gpu/drm/loongson/lsdc_drv.c b/drivers/gpu/drm/loongson/lsdc_drv.c index 188ec82afcfb..75329eb31e79 100644 --- a/drivers/gpu/drm/loongson/lsdc_drv.c +++ b/drivers/gpu/drm/loongson/lsdc_drv.c @@ -30,6 +30,10 @@ #define DRIVER_MINOR 0 #define DRIVER_PATCHLEVEL 0 +int loongson_lg100_support; +MODULE_PARM_DESC(LG100_support, "LG100 support (1 = enabled, 0 = disabled)"); +module_param_named(LG100_support, loongson_lg100_support, int, 0444); + DEFINE_DRM_GEM_FOPS(lsdc_gem_fops); static const struct drm_driver lsdc_drm_driver = { @@ -264,6 +268,11 @@ static int lsdc_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) struct lsdc_device *ldev; int ret; + /* loongson drm driver will not be used on 7A2000 */ + if ((enum loongson_chip_id)ent->driver_data == CHIP_LS7A2000 && + !loongson_lg100_support) + return -ENODEV; + descp = lsdc_device_probe(pdev, ent->driver_data); if (IS_ERR_OR_NULL(descp)) return -ENODEV; -- 2.33.0