From patchwork Tue Apr 11 11:42:24 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Biju Das X-Patchwork-Id: 13207412 X-Patchwork-Delegate: kieran@bingham.xyz Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 71AA2C77B70 for ; Tue, 11 Apr 2023 11:43:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230008AbjDKLnx (ORCPT ); Tue, 11 Apr 2023 07:43:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52610 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229840AbjDKLnq (ORCPT ); Tue, 11 Apr 2023 07:43:46 -0400 Received: from relmlie6.idc.renesas.com (relmlor2.renesas.com [210.160.252.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 9A16D40E5; Tue, 11 Apr 2023 04:43:24 -0700 (PDT) X-IronPort-AV: E=Sophos;i="5.98,336,1673881200"; d="scan'208";a="159045199" Received: from unknown (HELO relmlir5.idc.renesas.com) ([10.200.68.151]) by relmlie6.idc.renesas.com with ESMTP; 11 Apr 2023 20:43:12 +0900 Received: from localhost.localdomain (unknown [10.226.93.123]) by relmlir5.idc.renesas.com (Postfix) with ESMTP id 73536400195D; Tue, 11 Apr 2023 20:43:08 +0900 (JST) From: Biju Das To: David Airlie , Daniel Vetter , Mauro Carvalho Chehab , Rob Herring , Krzysztof Kozlowski Cc: Biju Das , Laurent Pinchart , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-media@vger.kernel.org, Geert Uytterhoeven , Chris Paterson , Prabhakar Mahadev Lad , linux-renesas-soc@vger.kernel.org Subject: [PATCH v7 06/17] drm: rcar-du: Move rcar_du_vsp_{map,unmap}_fb() Date: Tue, 11 Apr 2023 12:42:24 +0100 Message-Id: <20230411114235.366042-7-biju.das.jz@bp.renesas.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230411114235.366042-1-biju.das.jz@bp.renesas.com> References: <20230411114235.366042-1-biju.das.jz@bp.renesas.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org Move rcar_du_vsp_{map,unmap}_fb() to RCar DU VSP lib. Signed-off-by: Biju Das --- v6->v7: * Rebased to drm-tip. v1->v6: * Rebased on drm-misc-next and DU-next. v1: * Created the lib suggested by Laurent. Ref: https://patchwork.kernel.org/project/linux-renesas-soc/patch/20220316131100.30685-6-biju.das.jz@bp.renesas.com/ --- drivers/gpu/drm/rcar-du/rcar_du_vsp.c | 78 --------------------- drivers/gpu/drm/rcar-du/rcar_du_vsp.h | 18 ----- drivers/gpu/drm/rcar-du/rcar_du_vsp_lib.c | 84 +++++++++++++++++++++++ drivers/gpu/drm/rcar-du/rcar_du_vsp_lib.h | 20 ++++++ 4 files changed, 104 insertions(+), 96 deletions(-) diff --git a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c index 55557d9a3bc8..d461043c7828 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c @@ -11,11 +11,8 @@ #include #include #include -#include -#include #include #include -#include #include #include @@ -208,68 +205,6 @@ static void rcar_du_vsp_plane_setup(struct rcar_du_vsp_plane *plane) plane->index, &cfg); } -int rcar_du_vsp_map_fb(struct rcar_du_vsp *vsp, struct drm_framebuffer *fb, - struct sg_table sg_tables[3]) -{ - struct rcar_du_device *rcdu = vsp->dev; - unsigned int i, j; - int ret; - - for (i = 0; i < fb->format->num_planes; ++i) { - struct drm_gem_dma_object *gem = drm_fb_dma_get_gem_obj(fb, i); - struct sg_table *sgt = &sg_tables[i]; - - if (gem->sgt) { - struct scatterlist *src; - struct scatterlist *dst; - - /* - * If the GEM buffer has a scatter gather table, it has - * been imported from a dma-buf and has no physical - * address as it might not be physically contiguous. - * Copy the original scatter gather table to map it to - * the VSP. - */ - ret = sg_alloc_table(sgt, gem->sgt->orig_nents, - GFP_KERNEL); - if (ret) - goto fail; - - src = gem->sgt->sgl; - dst = sgt->sgl; - for (j = 0; j < gem->sgt->orig_nents; ++j) { - sg_set_page(dst, sg_page(src), src->length, - src->offset); - src = sg_next(src); - dst = sg_next(dst); - } - } else { - ret = dma_get_sgtable(rcdu->dev, sgt, gem->vaddr, - gem->dma_addr, gem->base.size); - if (ret) - goto fail; - } - - ret = vsp1_du_map_sg(vsp->vsp, sgt); - if (ret) { - sg_free_table(sgt); - goto fail; - } - } - - return 0; - -fail: - while (i--) { - struct sg_table *sgt = &sg_tables[i]; - - vsp1_du_unmap_sg(vsp->vsp, sgt); - sg_free_table(sgt); - } - - return ret; -} - static int rcar_du_vsp_plane_prepare_fb(struct drm_plane *plane, struct drm_plane_state *state) { @@ -291,19 +226,6 @@ static int rcar_du_vsp_plane_prepare_fb(struct drm_plane *plane, return drm_gem_plane_helper_prepare_fb(plane, state); } -void rcar_du_vsp_unmap_fb(struct rcar_du_vsp *vsp, struct drm_framebuffer *fb, - struct sg_table sg_tables[3]) -{ - unsigned int i; - - for (i = 0; i < fb->format->num_planes; ++i) { - struct sg_table *sgt = &sg_tables[i]; - - vsp1_du_unmap_sg(vsp->vsp, sgt); - sg_free_table(sgt); - } -} - static void rcar_du_vsp_plane_cleanup_fb(struct drm_plane *plane, struct drm_plane_state *state) { diff --git a/drivers/gpu/drm/rcar-du/rcar_du_vsp.h b/drivers/gpu/drm/rcar-du/rcar_du_vsp.h index b610e6b40304..4022ed014353 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_vsp.h +++ b/drivers/gpu/drm/rcar-du/rcar_du_vsp.h @@ -14,10 +14,7 @@ #include "rcar_du_vsp_lib.h" -struct drm_framebuffer; struct rcar_du_format_info; -struct rcar_du_vsp; -struct sg_table; struct rcar_du_vsp_plane { struct drm_plane plane; @@ -61,10 +58,6 @@ to_rcar_vsp_plane_state(struct drm_plane_state *state) int rcar_du_vsp_init(struct rcar_du_vsp *vsp, struct device_node *np, unsigned int crtcs); void rcar_du_vsp_enable(struct rcar_du_crtc *crtc); -int rcar_du_vsp_map_fb(struct rcar_du_vsp *vsp, struct drm_framebuffer *fb, - struct sg_table sg_tables[3]); -void rcar_du_vsp_unmap_fb(struct rcar_du_vsp *vsp, struct drm_framebuffer *fb, - struct sg_table sg_tables[3]); #else static inline int rcar_du_vsp_init(struct rcar_du_vsp *vsp, struct device_node *np, @@ -73,17 +66,6 @@ static inline int rcar_du_vsp_init(struct rcar_du_vsp *vsp, return -ENXIO; } static inline void rcar_du_vsp_enable(struct rcar_du_crtc *crtc) { }; -static inline int rcar_du_vsp_map_fb(struct rcar_du_vsp *vsp, - struct drm_framebuffer *fb, - struct sg_table sg_tables[3]) -{ - return -ENXIO; -} -static inline void rcar_du_vsp_unmap_fb(struct rcar_du_vsp *vsp, - struct drm_framebuffer *fb, - struct sg_table sg_tables[3]) -{ -} #endif #endif /* __RCAR_DU_VSP_H__ */ diff --git a/drivers/gpu/drm/rcar-du/rcar_du_vsp_lib.c b/drivers/gpu/drm/rcar-du/rcar_du_vsp_lib.c index ecf0801202b7..92ae3b0cf995 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_vsp_lib.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_vsp_lib.c @@ -7,6 +7,15 @@ * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com) */ +#include +#include +#include +#include +#include + +#include +#include + #include #include "rcar_du_drv.h" @@ -34,3 +43,78 @@ void rcar_du_vsp_atomic_flush(struct rcar_du_crtc *crtc) vsp1_du_atomic_flush(crtc->vsp->vsp, crtc->vsp_pipe, &cfg); } + +int rcar_du_vsp_map_fb(struct rcar_du_vsp *vsp, struct drm_framebuffer *fb, + struct sg_table sg_tables[3]) +{ + struct rcar_du_device *rcdu = vsp->dev; + unsigned int i, j; + int ret; + + for (i = 0; i < fb->format->num_planes; ++i) { + struct drm_gem_dma_object *gem = drm_fb_dma_get_gem_obj(fb, i); + struct sg_table *sgt = &sg_tables[i]; + + if (gem->sgt) { + struct scatterlist *src; + struct scatterlist *dst; + + /* + * If the GEM buffer has a scatter gather table, it has + * been imported from a dma-buf and has no physical + * address as it might not be physically contiguous. + * Copy the original scatter gather table to map it to + * the VSP. + */ + ret = sg_alloc_table(sgt, gem->sgt->orig_nents, + GFP_KERNEL); + if (ret) + goto fail; + + src = gem->sgt->sgl; + dst = sgt->sgl; + for (j = 0; j < gem->sgt->orig_nents; ++j) { + sg_set_page(dst, sg_page(src), src->length, + src->offset); + src = sg_next(src); + dst = sg_next(dst); + } + } else { + ret = dma_get_sgtable(rcdu->dev, sgt, gem->vaddr, + gem->dma_addr, gem->base.size); + if (ret) + goto fail; + } + + ret = vsp1_du_map_sg(vsp->vsp, sgt); + if (ret) { + sg_free_table(sgt); + goto fail; + } + } + + return 0; + +fail: + while (i--) { + struct sg_table *sgt = &sg_tables[i]; + + vsp1_du_unmap_sg(vsp->vsp, sgt); + sg_free_table(sgt); + } + + return ret; +} + +void rcar_du_vsp_unmap_fb(struct rcar_du_vsp *vsp, struct drm_framebuffer *fb, + struct sg_table sg_tables[3]) +{ + unsigned int i; + + for (i = 0; i < fb->format->num_planes; ++i) { + struct sg_table *sgt = &sg_tables[i]; + + vsp1_du_unmap_sg(vsp->vsp, sgt); + sg_free_table(sgt); + } +} diff --git a/drivers/gpu/drm/rcar-du/rcar_du_vsp_lib.h b/drivers/gpu/drm/rcar-du/rcar_du_vsp_lib.h index 1506e739f714..d59182b2630f 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_vsp_lib.h +++ b/drivers/gpu/drm/rcar-du/rcar_du_vsp_lib.h @@ -10,14 +10,34 @@ #ifndef __RCAR_DU_VSP_LIB_H__ #define __RCAR_DU_VSP_LIB_H__ +struct drm_framebuffer; +struct rcar_du_vsp; +struct sg_table; + #ifdef CONFIG_DRM_RCAR_VSP void rcar_du_vsp_disable(struct rcar_du_crtc *crtc); void rcar_du_vsp_atomic_begin(struct rcar_du_crtc *crtc); void rcar_du_vsp_atomic_flush(struct rcar_du_crtc *crtc); +int rcar_du_vsp_map_fb(struct rcar_du_vsp *vsp, struct drm_framebuffer *fb, + struct sg_table sg_tables[3]); +void rcar_du_vsp_unmap_fb(struct rcar_du_vsp *vsp, struct drm_framebuffer *fb, + struct sg_table sg_tables[3]); #else static inline void rcar_du_vsp_disable(struct rcar_du_crtc *crtc) { }; static inline void rcar_du_vsp_atomic_begin(struct rcar_du_crtc *crtc) { }; static inline void rcar_du_vsp_atomic_flush(struct rcar_du_crtc *crtc) { }; +static inline int rcar_du_vsp_map_fb(struct rcar_du_vsp *vsp, + struct drm_framebuffer *fb, + struct sg_table sg_tables[3]) +{ + return -ENXIO; +} + +static inline void rcar_du_vsp_unmap_fb(struct rcar_du_vsp *vsp, + struct drm_framebuffer *fb, + struct sg_table sg_tables[3]) +{ +} #endif #endif /* __RCAR_DU_VSP_LIB_H__ */