On Wed, May 16, 2018 at 12:07:12AM -0300, Rodrigo Siqueira wrote:
> This commit adds a single and simple virtual encoder to VKMS.
>
> Signed-off-by: Rodrigo Siqueira <[email protected]>
Doesn't this break bisection, i.e. between patch 1&2 vkms looks broken
(because the encoder is missing)?
If so probably better to merge this into patch 1.
-Daniel
> ---
> drivers/gpu/drm/vkms/vkms_display.c | 25 +++++++++++++++++++++++++
> drivers/gpu/drm/vkms/vkms_drv.h | 2 ++
> 2 files changed, 27 insertions(+)
>
> diff --git a/drivers/gpu/drm/vkms/vkms_display.c
> b/drivers/gpu/drm/vkms/vkms_display.c
> index b20b41f9590b..d6702128b5f7 100644
> --- a/drivers/gpu/drm/vkms/vkms_display.c
> +++ b/drivers/gpu/drm/vkms/vkms_display.c
> @@ -44,11 +44,16 @@ static const struct drm_connector_funcs
> vkms_connector_funcs = {
> .destroy = vkms_connector_destroy,
> };
>
> +static const struct drm_encoder_funcs vkms_encoder_funcs = {
> + .destroy = drm_encoder_cleanup,
> +};
> +
> static int vkms_output_init(struct vkms_device *vkmsdev)
> {
> struct vkms_output *output = &vkmsdev->output;
> struct drm_device *dev = &vkmsdev->drm;
> struct drm_connector *connector = &output->connector;
> + struct drm_encoder *encoder = &output->encoder;
> struct drm_crtc *crtc = &output->crtc;
> struct drm_plane *primary;
> int ret;
> @@ -78,10 +83,30 @@ static int vkms_output_init(struct vkms_device *vkmsdev)
> goto err_connector_register;
> }
>
> + ret = drm_encoder_init(dev, encoder, &vkms_encoder_funcs,
> + DRM_MODE_ENCODER_VIRTUAL, NULL);
> + if (ret) {
> + DRM_ERROR("Failed to init encoder\n");
> + goto err_encoder;
> + }
> + encoder->possible_crtcs = 1;
> +
> + ret = drm_mode_connector_attach_encoder(connector, encoder);
> + if (ret) {
> + DRM_ERROR("Failed to attach connector to encoder\n");
> + goto err_attach;
> + }
> +
> drm_mode_config_reset(dev);
>
> return 0;
>
> +err_attach:
> + drm_encoder_cleanup(encoder);
> +
> +err_encoder:
> + drm_connector_unregister(connector);
> +
> err_connector_register:
> drm_connector_cleanup(connector);
>
> diff --git a/drivers/gpu/drm/vkms/vkms_drv.h b/drivers/gpu/drm/vkms/vkms_drv.h
> index 292bdea9c785..933eedc5b25b 100644
> --- a/drivers/gpu/drm/vkms/vkms_drv.h
> +++ b/drivers/gpu/drm/vkms/vkms_drv.h
> @@ -3,6 +3,7 @@
>
> #include <drm/drmP.h>
> #include <drm/drm.h>
> +#include <drm/drm_encoder.h>
>
> static const u32 vkms_formats[] = {
> DRM_FORMAT_XRGB8888,
> @@ -17,6 +18,7 @@ static const u32 vkms_formats[] = {
>
> struct vkms_output {
> struct drm_crtc crtc;
> + struct drm_encoder encoder;
> struct drm_connector connector;
> };
>
> --
> 2.17.0
>
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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