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| author |   Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> | 2019-02-21 03:40:12 +0200 |
|---|---|---|
| committer | Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> | 2019-03-18 17:24:51 +0200 |
| commit | 12e32f554d8ddd121f17aaaa9cda25d0be612af9 (patch) | |
| tree | 53a7e6820d002132d871b254ea910065c10c1649 /drivers/gpu/drm/rcar-du/rcar_du_crtc.h | |
| parent | drm: rcar-du: vsp: Extract framebuffer (un)mapping to separate functions (diff) | |
| download | linux-dev-12e32f554d8ddd121f17aaaa9cda25d0be612af9.tar.xz linux-dev-12e32f554d8ddd121f17aaaa9cda25d0be612af9.zip | |
drm: rcar-du: Add writeback support for R-Car Gen3
Implement writeback support for R-Car Gen3 by exposing writeback
connectors. Behind the scene the calls are forwarded to the VSP
backend.
Using writeback connectors will allow implemented writeback support for
R-Car Gen2 with a consistent API if desired.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Diffstat (limited to 'drivers/gpu/drm/rcar-du/rcar_du_crtc.h')
| -rw-r--r-- | drivers/gpu/drm/rcar-du/rcar_du_crtc.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_crtc.h b/drivers/gpu/drm/rcar-du/rcar_du_crtc.h index c478953be092..92f7d5f3ff80 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_crtc.h +++ b/drivers/gpu/drm/rcar-du/rcar_du_crtc.h @@ -15,6 +15,7 @@ #include <linux/wait.h> #include <drm/drm_crtc.h> +#include <drm/drm_writeback.h> #include <media/vsp1.h> @@ -39,6 +40,7 @@ struct rcar_du_vsp; * @group: CRTC group this CRTC belongs to * @vsp: VSP feeding video to this CRTC * @vsp_pipe: index of the VSP pipeline feeding video to this CRTC + * @writeback: the writeback connector */ struct rcar_du_crtc { struct drm_crtc crtc; @@ -65,9 +67,12 @@ struct rcar_du_crtc { const char *const *sources; unsigned int sources_count; + + struct drm_writeback_connector writeback; }; -#define to_rcar_crtc(c) container_of(c, struct rcar_du_crtc, crtc) +#define to_rcar_crtc(c) container_of(c, struct rcar_du_crtc, crtc) +#define wb_to_rcar_crtc(c) container_of(c, struct rcar_du_crtc, writeback) /** * struct rcar_du_crtc_state - Driver-specific CRTC state |