[PATCH/RFC 6/7] drm: omapdrm: Register omapdrm platform device in omapdss driver
Tomi Valkeinen
tomi.valkeinen at ti.com
Wed Dec 14 08:20:39 UTC 2016
On 14/12/16 01:38, Laurent Pinchart wrote:
> The omapdrm platform device is a virtual device created for the sole
> purpose of handling the omapdss/omapdrm driver split. It should
> eventually be removed. As a first step to ease refactoring move its
> registration from platform code to driver code.
>
> The omapdrm driver name must be changed internally to avoid probing both
> the device registered in platform code and the device registered in the
> omapdss driver, as that would otherwise break bisection.
>
> Signed-off-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
> ---
> drivers/gpu/drm/omapdrm/dss/core.c | 17 +++++++++++++++++
> drivers/gpu/drm/omapdrm/omap_drv.c | 2 +-
> 2 files changed, 18 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/omapdrm/dss/core.c b/drivers/gpu/drm/omapdrm/dss/core.c
> index 1bf978b5c5bc..b7c44b85b7c3 100644
> --- a/drivers/gpu/drm/omapdrm/dss/core.c
> +++ b/drivers/gpu/drm/omapdrm/dss/core.c
> @@ -22,6 +22,7 @@
>
> #define DSS_SUBSYS_NAME "CORE"
>
> +#include <linux/dma-mapping.h>
> #include <linux/kernel.h>
> #include <linux/module.h>
> #include <linux/clk.h>
> @@ -285,6 +286,16 @@ static void (*dss_output_drv_unreg_funcs[])(void) = {
> dss_uninit_platform_driver,
> };
>
> +#if IS_ENABLED(CONFIG_DRM_OMAP)
The #ifs are not needed, don't compile this file if there's no DRM_OMAP.
> +static struct platform_device omap_drm_device = {
> + .dev = {
> + .coherent_dma_mask = DMA_BIT_MASK(32),
> + },
> + .name = "omapdrm_",
> + .id = 0,
> +};
> +#endif
> +
> static int __init omap_dss_init(void)
> {
> int r;
> @@ -300,6 +311,12 @@ static int __init omap_dss_init(void)
> goto err_reg;
> }
>
> +#if IS_ENABLED(CONFIG_DRM_OMAP)
> + r = platform_device_register(&omap_drm_device);
> + if (r)
> + goto err_reg;
> +#endif
Where is the unregister?
Tomi
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