Re: [PATCH v3 1/9] drm/hisilicon/hibmc: Add hisilicon hibmc drm master driver

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[snip]

> --- /dev/null
> +++ b/drivers/gpu/drm/hisilicon/hibmc/Kconfig
> @@ -0,0 +1,15 @@
> +config DRM_HISI_HIBMC
> +       tristate "DRM Support for Hisilicon Hibmc"
> +       depends on DRM && PCI
> +       select DRM_KMS_HELPER
> +       select DRM_KMS_FB_HELPER
> +       select DRM_GEM_CMA_HELPER
> +       select DRM_KMS_CMA_HELPER

since you use TTM I don't think that selecting DRM_GEM_CMA_HELPER and
DRM_KMS_CMA_HELPER
help you lot here.
You could add configuration flags step by step in following patches
that will make you needs more clear (that also true for #include)

> +       select FB_SYS_FILLRECT
> +       select FB_SYS_COPYAREA
> +       select FB_SYS_IMAGEBLIT
> +       select DRM_TTM
> +
> +       help
> +         Choose this option if you have a Hisilicon Hibmc soc chipset.
> +         If M is selected the module will be called hibmc-drm.
> diff --git a/drivers/gpu/drm/hisilicon/hibmc/Makefile b/drivers/gpu/drm/hisilicon/hibmc/Makefile
> new file mode 100644
> index 0000000..97cf4a0
> --- /dev/null
> +++ b/drivers/gpu/drm/hisilicon/hibmc/Makefile
> @@ -0,0 +1,5 @@
> +ccflags-y := -Iinclude/drm
> +hibmc-drm-y := hibmc_drm_drv.o hibmc_drm_power.o
> +
> +obj-$(CONFIG_DRM_HISI_HIBMC)   +=hibmc-drm.o
> +#obj-y += hibmc-drm.o
> diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
> new file mode 100644
> index 0000000..52c9353
> --- /dev/null
> +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
> @@ -0,0 +1,288 @@
> +/* Hisilicon Hibmc SoC drm driver
> + *
> + * Based on the bochs drm driver.
> + *
> + * Copyright (c) 2016 Huawei Limited.
> + *
> + * Author:
> + *     Rongrong Zou <zourongrong@huawei>

".com" is missing in you email address (same typo in all other files)

> + *     Rongrong Zou <zourongrong@xxxxxxxxx>
> + *     Jianhua Li <lijianhua@xxxxxxxxxx>
> + *
> + * This program is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License as published by
> + * the Free Software Foundation; either version 2 of the License, or
> + * (at your option) any later version.
> + *
> + */
> +
> +#include <linux/module.h>
> +#include <linux/console.h>
> +#include <drm/drm_atomic_helper.h>
> +#include <drm/drm_crtc_helper.h>
> +#include <drm/drm_fb_helper.h>
> +#include <drm/drm_fb_cma_helper.h>
> +#include <drm/drm_gem_cma_helper.h>

cma_helpers look useless since you use TTM, no ?

> +#include <drm/drmP.h>
> +
> +#include "hibmc_drm_drv.h"
> +#include "hibmc_drm_regs.h"
> +#include "hibmc_drm_power.h"
> +
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