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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_vsp.c | |
| parent | d46a4e93ea4d2d6e6aba878487797794265bc984 (diff) | |
| download | linux-stable-12e32f554d8ddd121f17aaaa9cda25d0be612af9.tar.gz linux-stable-12e32f554d8ddd121f17aaaa9cda25d0be612af9.tar.bz2 linux-stable-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_vsp.c')
| -rw-r--r-- | drivers/gpu/drm/rcar-du/rcar_du_vsp.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c index 57c64134ab61..4c8bed34838c 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c @@ -27,6 +27,7 @@ #include "rcar_du_drv.h" #include "rcar_du_kms.h" #include "rcar_du_vsp.h" +#include "rcar_du_writeback.h" static void rcar_du_vsp_complete(void *private, unsigned int status, u32 crc) { @@ -37,6 +38,8 @@ static void rcar_du_vsp_complete(void *private, unsigned int status, u32 crc) if (status & VSP1_DU_STATUS_COMPLETE) rcar_du_crtc_finish_page_flip(crtc); + if (status & VSP1_DU_STATUS_WRITEBACK) + rcar_du_writeback_complete(crtc); drm_crtc_add_crc_entry(&crtc->crtc, false, 0, &crc); } @@ -108,6 +111,8 @@ void rcar_du_vsp_atomic_flush(struct rcar_du_crtc *crtc) state = to_rcar_crtc_state(crtc->crtc.state); cfg.crc = state->crc; + rcar_du_writeback_setup(crtc, &cfg.writeback); + vsp1_du_atomic_flush(crtc->vsp->vsp, crtc->vsp_pipe, &cfg); } |