From patchwork Fri Sep 15 08:53:51 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Geert Uytterhoeven X-Patchwork-Id: 13386647 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 73F1BEE644B for ; Fri, 15 Sep 2023 08:55:46 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 3320010E5F8; Fri, 15 Sep 2023 08:55:33 +0000 (UTC) Received: from xavier.telenet-ops.be (xavier.telenet-ops.be [IPv6:2a02:1800:120:4::f00:14]) by gabe.freedesktop.org (Postfix) with ESMTPS id AD80210E5D2 for ; Fri, 15 Sep 2023 08:54:17 +0000 (UTC) Received: from ramsan.of.borg ([84.195.187.55]) by xavier.telenet-ops.be with bizsmtp id m8uF2A00J1C8whw018uFlo; Fri, 15 Sep 2023 10:54:15 +0200 Received: from rox.of.borg ([192.168.97.57]) by ramsan.of.borg with esmtp (Exim 4.95) (envelope-from ) id 1qh4aK-003lID-6H; Fri, 15 Sep 2023 10:54:15 +0200 Received: from geert by rox.of.borg with local (Exim 4.95) (envelope-from ) id 1qh4ad-00GddV-6q; Fri, 15 Sep 2023 10:54:15 +0200 From: Geert Uytterhoeven To: Laurent Pinchart , Kieran Bingham , David Airlie , Daniel Vetter , Thomas Zimmermann , Magnus Damm Subject: [PATCH v4 36/41] drm: renesas: shmobile: Atomic conversion part 1 Date: Fri, 15 Sep 2023 10:53:51 +0200 Message-Id: X-Mailer: git-send-email 2.34.1 In-Reply-To: References: MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-renesas-soc@vger.kernel.org, Geert Uytterhoeven , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Implement atomic mode setting for both the primary and overlay planes. This involves: - Moving the primary plane handling code from CRTC mode setting to plane handling shared by primary and overlay planes, - Adding basic CRTC and mode config atomic mode setting ops, which don't do much yet. Signed-off-by: Geert Uytterhoeven --- v4: - No changes, v3: - No changes, v2: - No changes. --- .../gpu/drm/renesas/shmobile/shmob_drm_crtc.c | 126 +++------ .../gpu/drm/renesas/shmobile/shmob_drm_crtc.h | 3 - .../gpu/drm/renesas/shmobile/shmob_drm_drv.c | 4 +- .../gpu/drm/renesas/shmobile/shmob_drm_kms.c | 13 +- .../drm/renesas/shmobile/shmob_drm_plane.c | 253 ++++++++++++------ .../drm/renesas/shmobile/shmob_drm_plane.h | 1 - 6 files changed, 217 insertions(+), 183 deletions(-) diff --git a/drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.c b/drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.c index 365eb3e154130d41..c277f93668825e1c 100644 --- a/drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.c +++ b/drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.c @@ -11,6 +11,9 @@ #include #include +#include +#include +#include #include #include #include @@ -199,20 +202,14 @@ static void shmob_drm_crtc_start(struct shmob_drm_crtc *scrtc) struct drm_crtc *crtc = &scrtc->base; struct shmob_drm_device *sdev = to_shmob_device(crtc->dev); const struct shmob_drm_interface_data *idata = &sdev->pdata->iface; - const struct shmob_drm_format_info *format; - struct drm_device *dev = &sdev->ddev; - struct drm_plane *plane; + struct device *dev = sdev->dev; u32 value; int ret; if (scrtc->started) return; - format = shmob_drm_format_info(crtc->primary->fb->format->format); - if (WARN_ON(format == NULL)) - return; - - ret = pm_runtime_resume_and_get(sdev->dev); + ret = pm_runtime_resume_and_get(dev); if (ret) return; @@ -249,23 +246,8 @@ static void shmob_drm_crtc_start(struct shmob_drm_crtc *scrtc) /* Setup geometry, format, frame buffer memory and operation mode. */ shmob_drm_crtc_setup_geometry(scrtc); - /* TODO: Handle YUV colorspaces. Hardcode REC709 for now. */ - lcdc_write(sdev, LDDFR, format->lddfr | LDDFR_CF1); - lcdc_write(sdev, LDMLSR, scrtc->line_size); - lcdc_write(sdev, LDSA1R, scrtc->dma[0]); - if (shmob_drm_format_is_yuv(format)) - lcdc_write(sdev, LDSA2R, scrtc->dma[1]); lcdc_write(sdev, LDSM1R, 0); - /* Word and long word swap. */ - lcdc_write(sdev, LDDDSR, format->ldddsr); - - /* Setup planes. */ - drm_for_each_legacy_plane(plane, dev) { - if (plane->crtc == crtc) - shmob_drm_plane_setup(plane); - } - /* Enable the display output. */ lcdc_write(sdev, LDCNT1R, LDCNT1R_DE); @@ -317,42 +299,6 @@ void shmob_drm_crtc_resume(struct shmob_drm_crtc *scrtc) shmob_drm_crtc_start(scrtc); } -static void shmob_drm_crtc_compute_base(struct shmob_drm_crtc *scrtc, - int x, int y) -{ - struct drm_crtc *crtc = &scrtc->base; - struct drm_framebuffer *fb = crtc->primary->fb; - struct drm_gem_dma_object *gem; - unsigned int bpp; - - bpp = shmob_drm_format_is_yuv(scrtc->format) ? 8 : scrtc->format->bpp; - gem = drm_fb_dma_get_gem_obj(fb, 0); - scrtc->dma[0] = gem->dma_addr + fb->offsets[0] - + y * fb->pitches[0] + x * bpp / 8; - - if (shmob_drm_format_is_yuv(scrtc->format)) { - bpp = scrtc->format->bpp - 8; - gem = drm_fb_dma_get_gem_obj(fb, 1); - scrtc->dma[1] = gem->dma_addr + fb->offsets[1] - + y / (bpp == 4 ? 2 : 1) * fb->pitches[1] - + x * (bpp == 16 ? 2 : 1); - } -} - -static void shmob_drm_crtc_update_base(struct shmob_drm_crtc *scrtc) -{ - struct drm_crtc *crtc = &scrtc->base; - struct shmob_drm_device *sdev = to_shmob_device(crtc->dev); - - shmob_drm_crtc_compute_base(scrtc, crtc->x, crtc->y); - - lcdc_write_mirror(sdev, LDSA1R, scrtc->dma[0]); - if (shmob_drm_format_is_yuv(scrtc->format)) - lcdc_write_mirror(sdev, LDSA2R, scrtc->dma[1]); - - lcdc_write(sdev, LDRCNTR, lcdc_read(sdev, LDRCNTR) ^ LDRCNTR_MRS); -} - static inline struct shmob_drm_crtc *to_shmob_crtc(struct drm_crtc *crtc) { return container_of(crtc, struct shmob_drm_crtc, base); @@ -378,50 +324,45 @@ static void shmob_drm_crtc_mode_prepare(struct drm_crtc *crtc) shmob_drm_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); } -static int shmob_drm_crtc_mode_set(struct drm_crtc *crtc, - struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode, - int x, int y, - struct drm_framebuffer *old_fb) +static void shmob_drm_crtc_mode_commit(struct drm_crtc *crtc) { - struct shmob_drm_device *sdev = to_shmob_device(crtc->dev); - struct shmob_drm_crtc *scrtc = to_shmob_crtc(crtc); - const struct shmob_drm_format_info *format; - - format = shmob_drm_format_info(crtc->primary->fb->format->format); - if (format == NULL) { - dev_dbg(sdev->dev, "mode_set: unsupported format %p4cc\n", - &crtc->primary->fb->format->format); - return -EINVAL; - } - - scrtc->format = format; - scrtc->line_size = crtc->primary->fb->pitches[0]; - - shmob_drm_crtc_compute_base(scrtc, x, y); + shmob_drm_crtc_dpms(crtc, DRM_MODE_DPMS_ON); +} +static int shmob_drm_crtc_atomic_check(struct drm_crtc *crtc, + struct drm_atomic_state *state) +{ return 0; } -static void shmob_drm_crtc_mode_commit(struct drm_crtc *crtc) +static void shmob_drm_crtc_atomic_begin(struct drm_crtc *crtc, + struct drm_atomic_state *state) { - shmob_drm_crtc_dpms(crtc, DRM_MODE_DPMS_ON); } -static int shmob_drm_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y, - struct drm_framebuffer *old_fb) +static void shmob_drm_crtc_atomic_flush(struct drm_crtc *crtc, + struct drm_atomic_state *state) { - shmob_drm_crtc_update_base(to_shmob_crtc(crtc)); + struct drm_pending_vblank_event *event; + struct drm_device *dev = crtc->dev; + unsigned long flags; - return 0; + if (crtc->state->event) { + spin_lock_irqsave(&dev->event_lock, flags); + event = crtc->state->event; + crtc->state->event = NULL; + drm_crtc_send_vblank_event(crtc, event); + spin_unlock_irqrestore(&dev->event_lock, flags); + } } static const struct drm_crtc_helper_funcs crtc_helper_funcs = { .dpms = shmob_drm_crtc_dpms, .prepare = shmob_drm_crtc_mode_prepare, .commit = shmob_drm_crtc_mode_commit, - .mode_set = shmob_drm_crtc_mode_set, - .mode_set_base = shmob_drm_crtc_mode_set_base, + .atomic_check = shmob_drm_crtc_atomic_check, + .atomic_begin = shmob_drm_crtc_atomic_begin, + .atomic_flush = shmob_drm_crtc_atomic_flush, }; static int shmob_drm_crtc_page_flip(struct drm_crtc *crtc, @@ -441,8 +382,7 @@ static int shmob_drm_crtc_page_flip(struct drm_crtc *crtc, } spin_unlock_irqrestore(&dev->event_lock, flags); - crtc->primary->fb = fb; - shmob_drm_crtc_update_base(scrtc); + drm_atomic_set_fb_for_plane(crtc->primary->state, fb); if (event) { event->pipe = 0; @@ -489,9 +429,12 @@ static void shmob_drm_disable_vblank(struct drm_crtc *crtc) } static const struct drm_crtc_funcs crtc_funcs = { + .reset = drm_atomic_helper_crtc_reset, .destroy = drm_crtc_cleanup, - .set_config = drm_crtc_helper_set_config, + .set_config = drm_atomic_helper_set_config, .page_flip = shmob_drm_crtc_page_flip, + .atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state, + .atomic_destroy_state = drm_atomic_helper_crtc_destroy_state, .enable_vblank = shmob_drm_enable_vblank, .disable_vblank = shmob_drm_disable_vblank, }; @@ -627,8 +570,11 @@ static void shmob_drm_connector_destroy(struct drm_connector *connector) static const struct drm_connector_funcs connector_funcs = { .dpms = drm_helper_connector_dpms, + .reset = drm_atomic_helper_connector_reset, .fill_modes = drm_helper_probe_single_connector_modes, .destroy = shmob_drm_connector_destroy, + .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, + .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, }; static struct drm_connector * diff --git a/drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.h b/drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.h index b9863e026e8a9b83..fe41e42d6cc55275 100644 --- a/drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.h +++ b/drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.h @@ -29,9 +29,6 @@ struct shmob_drm_crtc { wait_queue_head_t flip_wait; int dpms; - const struct shmob_drm_format_info *format; - unsigned long dma[2]; - unsigned int line_size; bool started; }; diff --git a/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c b/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c index ec90f987877141f7..d4ed066eaa4f8a82 100644 --- a/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c +++ b/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c @@ -16,7 +16,7 @@ #include #include -#include +#include #include #include #include @@ -173,7 +173,7 @@ static void shmob_drm_remove(struct platform_device *pdev) struct drm_device *ddev = &sdev->ddev; drm_dev_unregister(ddev); - drm_helper_force_disable_all(ddev); + drm_atomic_helper_shutdown(ddev); drm_kms_helper_poll_fini(ddev); } diff --git a/drivers/gpu/drm/renesas/shmobile/shmob_drm_kms.c b/drivers/gpu/drm/renesas/shmobile/shmob_drm_kms.c index 20316907030b2789..4202ab00fb0cf487 100644 --- a/drivers/gpu/drm/renesas/shmobile/shmob_drm_kms.c +++ b/drivers/gpu/drm/renesas/shmobile/shmob_drm_kms.c @@ -7,6 +7,7 @@ * Laurent Pinchart (laurent.pinchart@ideasonboard.com) */ +#include #include #include #include @@ -17,6 +18,7 @@ #include "shmob_drm_crtc.h" #include "shmob_drm_drv.h" #include "shmob_drm_kms.h" +#include "shmob_drm_plane.h" #include "shmob_drm_regs.h" /* ----------------------------------------------------------------------------- @@ -147,13 +149,16 @@ shmob_drm_fb_create(struct drm_device *dev, struct drm_file *file_priv, static const struct drm_mode_config_funcs shmob_drm_mode_config_funcs = { .fb_create = shmob_drm_fb_create, + .atomic_check = drm_atomic_helper_check, + .atomic_commit = drm_atomic_helper_commit, }; int shmob_drm_modeset_init(struct shmob_drm_device *sdev) { + struct drm_device *dev = &sdev->ddev; int ret; - ret = drmm_mode_config_init(&sdev->ddev); + ret = drmm_mode_config_init(dev); if (ret) return ret; @@ -169,7 +174,9 @@ int shmob_drm_modeset_init(struct shmob_drm_device *sdev) if (ret < 0) return ret; - drm_kms_helper_poll_init(&sdev->ddev); + drm_mode_config_reset(dev); + + drm_kms_helper_poll_init(dev); sdev->ddev.mode_config.min_width = 0; sdev->ddev.mode_config.min_height = 0; @@ -177,7 +184,5 @@ int shmob_drm_modeset_init(struct shmob_drm_device *sdev) sdev->ddev.mode_config.max_height = 4095; sdev->ddev.mode_config.funcs = &shmob_drm_mode_config_funcs; - drm_helper_disable_unused_functions(&sdev->ddev); - return 0; } diff --git a/drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.c b/drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.c index d0a9299784d4a7cc..8f9a728affde8375 100644 --- a/drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.c +++ b/drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.c @@ -7,6 +7,8 @@ * Laurent Pinchart (laurent.pinchart@ideasonboard.com) */ +#include +#include #include #include #include @@ -22,17 +24,13 @@ struct shmob_drm_plane { struct drm_plane base; unsigned int index; - unsigned int alpha; +}; + +struct shmob_drm_plane_state { + struct drm_plane_state base; const struct shmob_drm_format_info *format; - unsigned long dma[2]; - - unsigned int src_x; - unsigned int src_y; - unsigned int crtc_x; - unsigned int crtc_y; - unsigned int crtc_w; - unsigned int crtc_h; + u32 dma[2]; }; static inline struct shmob_drm_plane *to_shmob_plane(struct drm_plane *plane) @@ -40,36 +38,65 @@ static inline struct shmob_drm_plane *to_shmob_plane(struct drm_plane *plane) return container_of(plane, struct shmob_drm_plane, base); } -static void shmob_drm_plane_compute_base(struct shmob_drm_plane *splane, - struct drm_framebuffer *fb, - int x, int y) +static inline struct shmob_drm_plane_state *to_shmob_plane_state(struct drm_plane_state *state) +{ + return container_of(state, struct shmob_drm_plane_state, base); +} + +static void shmob_drm_plane_compute_base(struct shmob_drm_plane_state *sstate) { + struct drm_framebuffer *fb = sstate->base.fb; + unsigned int x = sstate->base.src_x >> 16; + unsigned int y = sstate->base.src_y >> 16; struct drm_gem_dma_object *gem; unsigned int bpp; - bpp = shmob_drm_format_is_yuv(splane->format) ? 8 : splane->format->bpp; + bpp = shmob_drm_format_is_yuv(sstate->format) ? 8 : sstate->format->bpp; gem = drm_fb_dma_get_gem_obj(fb, 0); - splane->dma[0] = gem->dma_addr + fb->offsets[0] + sstate->dma[0] = gem->dma_addr + fb->offsets[0] + y * fb->pitches[0] + x * bpp / 8; - if (shmob_drm_format_is_yuv(splane->format)) { - bpp = splane->format->bpp - 8; + if (shmob_drm_format_is_yuv(sstate->format)) { + bpp = sstate->format->bpp - 8; gem = drm_fb_dma_get_gem_obj(fb, 1); - splane->dma[1] = gem->dma_addr + fb->offsets[1] + sstate->dma[1] = gem->dma_addr + fb->offsets[1] + y / (bpp == 4 ? 2 : 1) * fb->pitches[1] + x * (bpp == 16 ? 2 : 1); } } -static void __shmob_drm_plane_setup(struct shmob_drm_plane *splane, - struct drm_framebuffer *fb) +static void shmob_drm_primary_plane_setup(struct shmob_drm_plane *splane, + struct drm_plane_state *state) { + struct shmob_drm_plane_state *sstate = to_shmob_plane_state(state); struct shmob_drm_device *sdev = to_shmob_device(splane->base.dev); + struct drm_framebuffer *fb = state->fb; + + /* TODO: Handle YUV colorspaces. Hardcode REC709 for now. */ + lcdc_write(sdev, LDDFR, sstate->format->lddfr | LDDFR_CF1); + lcdc_write(sdev, LDMLSR, fb->pitches[0]); + + /* Word and long word swap. */ + lcdc_write(sdev, LDDDSR, sstate->format->ldddsr); + + lcdc_write_mirror(sdev, LDSA1R, sstate->dma[0]); + if (shmob_drm_format_is_yuv(sstate->format)) + lcdc_write_mirror(sdev, LDSA2R, sstate->dma[1]); + + lcdc_write(sdev, LDRCNTR, lcdc_read(sdev, LDRCNTR) ^ LDRCNTR_MRS); +} + +static void shmob_drm_overlay_plane_setup(struct shmob_drm_plane *splane, + struct drm_plane_state *state) +{ + struct shmob_drm_plane_state *sstate = to_shmob_plane_state(state); + struct shmob_drm_device *sdev = to_shmob_device(splane->base.dev); + struct drm_framebuffer *fb = state->fb; u32 format; /* TODO: Support ROP3 mode */ - format = LDBBSIFR_EN | (splane->alpha << LDBBSIFR_LAY_SHIFT) | - splane->format->ldbbsifr; + format = LDBBSIFR_EN | ((state->alpha >> 8) << LDBBSIFR_LAY_SHIFT) | + sstate->format->ldbbsifr; #define plane_reg_dump(sdev, splane, reg) \ dev_dbg(sdev->ddev.dev, "%s(%u): %s 0x%08x 0x%08x\n", __func__, \ @@ -91,19 +118,17 @@ static void __shmob_drm_plane_setup(struct shmob_drm_plane *splane, lcdc_write(sdev, LDBnBSIFR(splane->index), format); lcdc_write(sdev, LDBnBSSZR(splane->index), - (splane->crtc_h << LDBBSSZR_BVSS_SHIFT) | - (splane->crtc_w << LDBBSSZR_BHSS_SHIFT)); + (state->crtc_h << LDBBSSZR_BVSS_SHIFT) | + (state->crtc_w << LDBBSSZR_BHSS_SHIFT)); lcdc_write(sdev, LDBnBLOCR(splane->index), - (splane->crtc_y << LDBBLOCR_CVLC_SHIFT) | - (splane->crtc_x << LDBBLOCR_CHLC_SHIFT)); + (state->crtc_y << LDBBLOCR_CVLC_SHIFT) | + (state->crtc_x << LDBBLOCR_CHLC_SHIFT)); lcdc_write(sdev, LDBnBSMWR(splane->index), fb->pitches[0] << LDBBSMWR_BSMW_SHIFT); - shmob_drm_plane_compute_base(splane, fb, splane->src_x, splane->src_y); - - lcdc_write(sdev, LDBnBSAYR(splane->index), splane->dma[0]); - if (shmob_drm_format_is_yuv(splane->format)) - lcdc_write(sdev, LDBnBSACR(splane->index), splane->dma[1]); + lcdc_write(sdev, LDBnBSAYR(splane->index), sstate->dma[0]); + if (shmob_drm_format_is_yuv(sstate->format)) + lcdc_write(sdev, LDBnBSACR(splane->index), sstate->dma[1]); lcdc_write(sdev, LDBCR, LDBCR_UPF(splane->index) | LDBCR_UPD(splane->index)); @@ -118,76 +143,143 @@ static void __shmob_drm_plane_setup(struct shmob_drm_plane *splane, plane_reg_dump(sdev, splane, LDBnBSACR); } -void shmob_drm_plane_setup(struct drm_plane *plane) +static int shmob_drm_plane_atomic_check(struct drm_plane *plane, + struct drm_atomic_state *state) { - struct shmob_drm_plane *splane = to_shmob_plane(plane); - - if (plane->fb == NULL) - return; + struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state, plane); + struct shmob_drm_plane_state *sstate = to_shmob_plane_state(new_plane_state); + struct drm_crtc_state *crtc_state; + bool is_primary = plane->type == DRM_PLANE_TYPE_PRIMARY; + int ret; + + if (!new_plane_state->crtc) { + /* + * The visible field is not reset by the DRM core but only + * updated by drm_atomic_helper_check_plane_state(), set it + * manually. + */ + new_plane_state->visible = false; + sstate->format = NULL; + return 0; + } - __shmob_drm_plane_setup(splane, plane->fb); -} + crtc_state = drm_atomic_get_crtc_state(state, new_plane_state->crtc); + if (IS_ERR(crtc_state)) + return PTR_ERR(crtc_state); -static int -shmob_drm_plane_update(struct drm_plane *plane, struct drm_crtc *crtc, - struct drm_framebuffer *fb, int crtc_x, int crtc_y, - unsigned int crtc_w, unsigned int crtc_h, - uint32_t src_x, uint32_t src_y, - uint32_t src_w, uint32_t src_h, - struct drm_modeset_acquire_ctx *ctx) -{ - struct shmob_drm_device *sdev = to_shmob_device(plane->dev); - struct shmob_drm_plane *splane = to_shmob_plane(plane); - const struct shmob_drm_format_info *format; + ret = drm_atomic_helper_check_plane_state(new_plane_state, crtc_state, + DRM_PLANE_NO_SCALING, + DRM_PLANE_NO_SCALING, + !is_primary, true); + if (ret < 0) + return ret; - format = shmob_drm_format_info(fb->format->format); - if (format == NULL) { - dev_dbg(sdev->dev, "update_plane: unsupported format %p4cc\n", - &fb->format->format); - return -EINVAL; + if (!new_plane_state->visible) { + sstate->format = NULL; + return 0; } - if (src_w >> 16 != crtc_w || src_h >> 16 != crtc_h) { - dev_dbg(sdev->dev, "%s: scaling not supported\n", __func__); + sstate->format = shmob_drm_format_info(new_plane_state->fb->format->format); + if (!sstate->format) { + dev_dbg(plane->dev->dev, + "plane_atomic_check: unsupported format %p4cc\n", + &new_plane_state->fb->format->format); return -EINVAL; } - splane->format = format; - - splane->src_x = src_x >> 16; - splane->src_y = src_y >> 16; - splane->crtc_x = crtc_x; - splane->crtc_y = crtc_y; - splane->crtc_w = crtc_w; - splane->crtc_h = crtc_h; + shmob_drm_plane_compute_base(sstate); - __shmob_drm_plane_setup(splane, fb); return 0; } -static int shmob_drm_plane_disable(struct drm_plane *plane, - struct drm_modeset_acquire_ctx *ctx) +static void shmob_drm_plane_atomic_update(struct drm_plane *plane, + struct drm_atomic_state *state) { + struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state, plane); + struct shmob_drm_plane *splane = to_shmob_plane(plane); + + if (!new_plane_state->visible) + return; + + if (plane->type == DRM_PLANE_TYPE_PRIMARY) + shmob_drm_primary_plane_setup(splane, new_plane_state); + else + shmob_drm_overlay_plane_setup(splane, new_plane_state); +} + +static void shmob_drm_plane_atomic_disable(struct drm_plane *plane, + struct drm_atomic_state *state) +{ + struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state, plane); struct shmob_drm_device *sdev = to_shmob_device(plane->dev); struct shmob_drm_plane *splane = to_shmob_plane(plane); - splane->format = NULL; + if (!old_state->crtc) + return; + + if (plane->type != DRM_PLANE_TYPE_OVERLAY) + return; lcdc_write(sdev, LDBCR, LDBCR_UPC(splane->index)); lcdc_write(sdev, LDBnBSIFR(splane->index), 0); lcdc_write(sdev, LDBCR, - LDBCR_UPF(splane->index) | LDBCR_UPD(splane->index)); - return 0; + LDBCR_UPF(splane->index) | LDBCR_UPD(splane->index)); +} + +static struct drm_plane_state * +shmob_drm_plane_atomic_duplicate_state(struct drm_plane *plane) +{ + struct shmob_drm_plane_state *state; + struct shmob_drm_plane_state *copy; + + if (WARN_ON(!plane->state)) + return NULL; + + state = to_shmob_plane_state(plane->state); + copy = kmemdup(state, sizeof(*state), GFP_KERNEL); + if (copy == NULL) + return NULL; + + __drm_atomic_helper_plane_duplicate_state(plane, ©->base); + + return ©->base; } -static const struct drm_plane_funcs shmob_drm_primary_plane_funcs = { - .update_plane = drm_plane_helper_update_primary, - .disable_plane = drm_plane_helper_disable_primary, +static void shmob_drm_plane_atomic_destroy_state(struct drm_plane *plane, + struct drm_plane_state *state) +{ + __drm_atomic_helper_plane_destroy_state(state); + kfree(to_shmob_plane_state(state)); +} + +static void shmob_drm_plane_reset(struct drm_plane *plane) +{ + struct shmob_drm_plane_state *state; + + if (plane->state) { + shmob_drm_plane_atomic_destroy_state(plane, plane->state); + plane->state = NULL; + } + + state = kzalloc(sizeof(*state), GFP_KERNEL); + if (state == NULL) + return; + + __drm_atomic_helper_plane_reset(plane, &state->base); +} + +static const struct drm_plane_helper_funcs shmob_drm_plane_helper_funcs = { + .atomic_check = shmob_drm_plane_atomic_check, + .atomic_update = shmob_drm_plane_atomic_update, + .atomic_disable = shmob_drm_plane_atomic_disable, }; -static const struct drm_plane_funcs shmob_drm_overlay_plane_funcs = { - .update_plane = shmob_drm_plane_update, - .disable_plane = shmob_drm_plane_disable, +static const struct drm_plane_funcs shmob_drm_plane_funcs = { + .update_plane = drm_atomic_helper_update_plane, + .disable_plane = drm_atomic_helper_disable_plane, + .reset = shmob_drm_plane_reset, + .atomic_duplicate_state = shmob_drm_plane_atomic_duplicate_state, + .atomic_destroy_state = shmob_drm_plane_atomic_destroy_state, }; static const uint32_t formats[] = { @@ -207,24 +299,19 @@ struct drm_plane *shmob_drm_plane_create(struct shmob_drm_device *sdev, enum drm_plane_type type, unsigned int index) { - const struct drm_plane_funcs *funcs; struct shmob_drm_plane *splane; - if (type == DRM_PLANE_TYPE_PRIMARY) - funcs = &shmob_drm_primary_plane_funcs; - else - funcs = &shmob_drm_overlay_plane_funcs; - splane = drmm_universal_plane_alloc(&sdev->ddev, struct shmob_drm_plane, base, 1, - funcs, formats, + &shmob_drm_plane_funcs, formats, ARRAY_SIZE(formats), NULL, type, NULL); if (IS_ERR(splane)) return ERR_CAST(splane); splane->index = index; - splane->alpha = 255; + + drm_plane_helper_add(&splane->base, &shmob_drm_plane_helper_funcs); return &splane->base; } diff --git a/drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.h b/drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.h index 8ad12129014016fa..dcfddd605899b05d 100644 --- a/drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.h +++ b/drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.h @@ -16,6 +16,5 @@ struct shmob_drm_device; struct drm_plane *shmob_drm_plane_create(struct shmob_drm_device *sdev, enum drm_plane_type type, unsigned int index); -void shmob_drm_plane_setup(struct drm_plane *plane); #endif /* __SHMOB_DRM_PLANE_H__ */