[RFC,1/5] drm: rcar-du: Link CRTCs to the DU device

Message ID	20190315113418.24452-2-kieran.bingham+renesas@ideasonboard.com (mailing list archive)
State	New, archived
Headers	show Return-Path: <dri-devel-bounces@lists.freedesktop.org> From: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com> To: linux-renesas-soc@vger.kernel.org, dri-devel@lists.freedesktop.org, Laurent Pinchart <laurent.pinchart@ideasonboard.com> Subject: [RFC PATCH 1/5] drm: rcar-du: Link CRTCs to the DU device Date: Fri, 15 Mar 2019 11:34:14 +0000 Message-Id: <20190315113418.24452-2-kieran.bingham+renesas@ideasonboard.com> In-Reply-To: <20190315113418.24452-1-kieran.bingham+renesas@ideasonboard.com> References: <20190315113418.24452-1-kieran.bingham+renesas@ideasonboard.com> MIME-Version: 1.0 X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1552649663; bh=D8xv0q8gp9sidobszCS5ywhkfZTJuQ3RUu5U6O4rz2E=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=j60umn8mQDOdRzAB/HTooNNmSH+ldCaK52Zgw2C2eektJw+4KUeF94Y9SeTSIxhl+ tvqr+F6XYj/1oHtMJRG/CSqBG/e0ZRoDqWGztLQtO1nuxvK79TXKnmqJncAI2hxupb s7Fdhwd5xOfbb5dREVZoThAT4lkyxawGRN69v8xs= Precedence: list Cc: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com> Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" <dri-devel-bounces@lists.freedesktop.org>
Series	drm: rcar-du: Rework CRTC and groups for atomic commits \| expand [RFC,0/5] drm: rcar-du: Rework CRTC and groups for atomic commits [RFC,1/5] drm: rcar-du: Link CRTCs to the DU device [RFC,2/5] drm: rcar-du: Provide for_each_group helper [RFC,3/5] drm: rcar-du: Create a group state object [RFC,4/5] drm: rcar-du: add group hooks for atomic-commit [RFC,5/5] drm: rcar-du: Add crtc standby helpers

diff --git a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c index 57fd5c00494b..471ce464654a 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c @@ -32,21 +32,21 @@ static u32 rcar_du_crtc_read(struct rcar_du_crtc *rcrtc, u32 reg) { - struct rcar_du_device *rcdu = rcrtc->group->dev; + struct rcar_du_device *rcdu = rcrtc->dev; return rcar_du_read(rcdu, rcrtc->mmio_offset + reg); } static void rcar_du_crtc_write(struct rcar_du_crtc *rcrtc, u32 reg, u32 data) { - struct rcar_du_device *rcdu = rcrtc->group->dev; + struct rcar_du_device *rcdu = rcrtc->dev; rcar_du_write(rcdu, rcrtc->mmio_offset + reg, data); } static void rcar_du_crtc_clr(struct rcar_du_crtc *rcrtc, u32 reg, u32 clr) { - struct rcar_du_device *rcdu = rcrtc->group->dev; + struct rcar_du_device *rcdu = rcrtc->dev; rcar_du_write(rcdu, rcrtc->mmio_offset + reg, rcar_du_read(rcdu, rcrtc->mmio_offset + reg) & ~clr); @@ -54,7 +54,7 @@ static void rcar_du_crtc_clr(struct rcar_du_crtc *rcrtc, u32 reg, u32 clr) static void rcar_du_crtc_set(struct rcar_du_crtc *rcrtc, u32 reg, u32 set) { - struct rcar_du_device *rcdu = rcrtc->group->dev; + struct rcar_du_device *rcdu = rcrtc->dev; rcar_du_write(rcdu, rcrtc->mmio_offset + reg, rcar_du_read(rcdu, rcrtc->mmio_offset + reg) | set); @@ -62,7 +62,7 @@ static void rcar_du_crtc_set(struct rcar_du_crtc *rcrtc, u32 reg, u32 set) void rcar_du_crtc_dsysr_clr_set(struct rcar_du_crtc *rcrtc, u32 clr, u32 set) { - struct rcar_du_device *rcdu = rcrtc->group->dev; + struct rcar_du_device *rcdu = rcrtc->dev; rcrtc->dsysr = (rcrtc->dsysr & ~clr) | set; rcar_du_write(rcdu, rcrtc->mmio_offset + DSYSR, rcrtc->dsysr); @@ -157,10 +157,9 @@ static void rcar_du_dpll_divider(struct rcar_du_crtc *rcrtc, } done: - dev_dbg(rcrtc->group->dev->dev, + dev_dbg(rcrtc->dev->dev, "output:%u, fdpll:%u, n:%u, m:%u, diff:%lu\n", - dpll->output, dpll->fdpll, dpll->n, dpll->m, - best_diff); + dpll->output, dpll->fdpll, dpll->n, dpll->m, best_diff); } struct du_clk_params { @@ -212,7 +211,7 @@ static const struct soc_device_attribute rcar_du_r8a7795_es1[] = { static void rcar_du_crtc_set_display_timing(struct rcar_du_crtc *rcrtc) { const struct drm_display_mode *mode = &rcrtc->crtc.state->adjusted_mode; - struct rcar_du_device *rcdu = rcrtc->group->dev; + struct rcar_du_device *rcdu = rcrtc->dev; unsigned long mode_clock = mode->clock * 1000; u32 dsmr; u32 escr; @@ -277,7 +276,7 @@ static void rcar_du_crtc_set_display_timing(struct rcar_du_crtc *rcrtc) rcar_du_escr_divider(rcrtc->extclock, mode_clock, ESCR_DCLKSEL_DCLKIN, &params); - dev_dbg(rcrtc->group->dev->dev, "mode clock %lu %s rate %lu\n", + dev_dbg(rcrtc->dev->dev, "mode clock %lu %s rate %lu\n", mode_clock, params.clk == rcrtc->clock ? "cpg" : "ext", params.rate); @@ -285,7 +284,7 @@ static void rcar_du_crtc_set_display_timing(struct rcar_du_crtc *rcrtc) escr = params.escr; } - dev_dbg(rcrtc->group->dev->dev, "%s: ESCR 0x%08x\n", __func__, escr); + dev_dbg(rcrtc->dev->dev, "%s: ESCR 0x%08x\n", __func__, escr); rcar_du_crtc_write(rcrtc, rcrtc->index % 2 ? ESCR13 : ESCR02, escr); rcar_du_crtc_write(rcrtc, rcrtc->index % 2 ? OTAR13 : OTAR02, 0); @@ -333,7 +332,7 @@ plane_format(struct rcar_du_plane *plane) static void rcar_du_crtc_update_planes(struct rcar_du_crtc *rcrtc) { struct rcar_du_plane *planes[RCAR_DU_NUM_HW_PLANES]; - struct rcar_du_device *rcdu = rcrtc->group->dev; + struct rcar_du_device *rcdu = rcrtc->dev; unsigned int num_planes = 0; unsigned int dptsr_planes; unsigned int hwplanes = 0; @@ -463,7 +462,7 @@ static bool rcar_du_crtc_page_flip_pending(struct rcar_du_crtc *rcrtc) static void rcar_du_crtc_wait_page_flip(struct rcar_du_crtc *rcrtc) { - struct rcar_du_device *rcdu = rcrtc->group->dev; + struct rcar_du_device *rcdu = rcrtc->dev; if (wait_event_timeout(rcrtc->flip_wait, !rcar_du_crtc_page_flip_pending(rcrtc), @@ -493,7 +492,7 @@ static void rcar_du_crtc_setup(struct rcar_du_crtc *rcrtc) rcar_du_group_write(rcrtc->group, rcrtc->index % 2 ? DS2PR : DS1PR, 0); /* Enable the VSP compositor. */ - if (rcar_du_has(rcrtc->group->dev, RCAR_DU_FEATURE_VSP1_SOURCE)) + if (rcar_du_has(rcrtc->dev, RCAR_DU_FEATURE_VSP1_SOURCE)) rcar_du_vsp_enable(rcrtc); /* Turn vertical blanking interrupt reporting on. */ @@ -564,7 +563,7 @@ static void rcar_du_crtc_start(struct rcar_du_crtc *rcrtc) static void rcar_du_crtc_disable_planes(struct rcar_du_crtc *rcrtc) { - struct rcar_du_device *rcdu = rcrtc->group->dev; + struct rcar_du_device *rcdu = rcrtc->dev; struct drm_crtc *crtc = &rcrtc->crtc; u32 status; @@ -617,7 +616,7 @@ static void rcar_du_crtc_stop(struct rcar_du_crtc *rcrtc) drm_crtc_vblank_off(crtc); /* Disable the VSP compositor. */ - if (rcar_du_has(rcrtc->group->dev, RCAR_DU_FEATURE_VSP1_SOURCE)) + if (rcar_du_has(rcrtc->dev, RCAR_DU_FEATURE_VSP1_SOURCE)) rcar_du_vsp_disable(rcrtc); /* @@ -627,7 +626,7 @@ static void rcar_du_crtc_stop(struct rcar_du_crtc *rcrtc) * TODO: Find another way to stop the display for DUs that don't support * TVM sync. */ - if (rcar_du_has(rcrtc->group->dev, RCAR_DU_FEATURE_TVM_SYNC)) + if (rcar_du_has(rcrtc->dev, RCAR_DU_FEATURE_TVM_SYNC)) rcar_du_crtc_dsysr_clr_set(rcrtc, DSYSR_TVM_MASK, DSYSR_TVM_SWITCH); @@ -661,7 +660,7 @@ static void rcar_du_crtc_atomic_enable(struct drm_crtc *crtc, { struct rcar_du_crtc *rcrtc = to_rcar_crtc(crtc); struct rcar_du_crtc_state *rstate = to_rcar_crtc_state(crtc->state); - struct rcar_du_device *rcdu = rcrtc->group->dev; + struct rcar_du_device *rcdu = rcrtc->dev; rcar_du_crtc_get(rcrtc); @@ -689,7 +688,7 @@ static void rcar_du_crtc_atomic_disable(struct drm_crtc *crtc, { struct rcar_du_crtc *rcrtc = to_rcar_crtc(crtc); struct rcar_du_crtc_state *rstate = to_rcar_crtc_state(old_state); - struct rcar_du_device *rcdu = rcrtc->group->dev; + struct rcar_du_device *rcdu = rcrtc->dev; rcar_du_crtc_stop(rcrtc); rcar_du_crtc_put(rcrtc); @@ -735,7 +734,7 @@ static void rcar_du_crtc_atomic_begin(struct drm_crtc *crtc, */ rcar_du_crtc_get(rcrtc); - if (rcar_du_has(rcrtc->group->dev, RCAR_DU_FEATURE_VSP1_SOURCE)) + if (rcar_du_has(rcrtc->dev, RCAR_DU_FEATURE_VSP1_SOURCE)) rcar_du_vsp_atomic_begin(rcrtc); } @@ -757,7 +756,7 @@ static void rcar_du_crtc_atomic_flush(struct drm_crtc *crtc, spin_unlock_irqrestore(&dev->event_lock, flags); } - if (rcar_du_has(rcrtc->group->dev, RCAR_DU_FEATURE_VSP1_SOURCE)) + if (rcar_du_has(rcrtc->dev, RCAR_DU_FEATURE_VSP1_SOURCE)) rcar_du_vsp_atomic_flush(rcrtc); } @@ -766,7 +765,7 @@ rcar_du_crtc_mode_valid(struct drm_crtc *crtc, const struct drm_display_mode *mode) { struct rcar_du_crtc *rcrtc = to_rcar_crtc(crtc); - struct rcar_du_device *rcdu = rcrtc->group->dev; + struct rcar_du_device *rcdu = rcrtc->dev; bool interlaced = mode->flags & DRM_MODE_FLAG_INTERLACE; unsigned int vbp; @@ -798,7 +797,7 @@ static const struct drm_crtc_helper_funcs crtc_helper_funcs = { static void rcar_du_crtc_crc_init(struct rcar_du_crtc *rcrtc) { - struct rcar_du_device *rcdu = rcrtc->group->dev; + struct rcar_du_device *rcdu = rcrtc->dev; const char **sources; unsigned int count; int i = -1; @@ -1080,7 +1079,7 @@ static const struct drm_crtc_funcs crtc_funcs_gen3 = { static irqreturn_t rcar_du_crtc_irq(int irq, void *arg) { struct rcar_du_crtc *rcrtc = arg; - struct rcar_du_device *rcdu = rcrtc->group->dev; + struct rcar_du_device *rcdu = rcrtc->dev; irqreturn_t ret = IRQ_NONE; u32 status; @@ -1172,6 +1171,7 @@ int rcar_du_crtc_create(struct rcar_du_group *rgrp, unsigned int swindex, init_waitqueue_head(&rcrtc->vblank_wait); spin_lock_init(&rcrtc->vblank_lock); + rcrtc->dev = rcdu; rcrtc->group = rgrp; rcrtc->mmio_offset = mmio_offsets[hwindex]; rcrtc->index = hwindex; diff --git a/drivers/gpu/drm/rcar-du/rcar_du_crtc.h b/drivers/gpu/drm/rcar-du/rcar_du_crtc.h index 3f339a7e8d14..11814eafef77 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_crtc.h +++ b/drivers/gpu/drm/rcar-du/rcar_du_crtc.h @@ -24,6 +24,7 @@ struct rcar_du_vsp; /** * struct rcar_du_crtc - the CRTC, representing a DU superposition processor * @crtc: base DRM CRTC + * @dev: the DU device * @clock: the CRTC functional clock * @extclock: external pixel dot clock (optional) * @mmio_offset: offset of the CRTC registers in the DU MMIO block @@ -43,6 +44,7 @@ struct rcar_du_vsp; struct rcar_du_crtc { struct drm_crtc crtc; + struct rcar_du_device *dev; struct clk *clock; struct clk *extclock; unsigned int mmio_offset; diff --git a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c index 0878accbd134..f6deea90dcce 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c @@ -43,7 +43,7 @@ static void rcar_du_vsp_complete(void *private, bool completed, u32 crc) void rcar_du_vsp_enable(struct rcar_du_crtc *crtc) { const struct drm_display_mode *mode = &crtc->crtc.state->adjusted_mode; - struct rcar_du_device *rcdu = crtc->group->dev; + struct rcar_du_device *rcdu = crtc->dev; struct vsp1_du_lif_config cfg = { .width = mode->hdisplay, .height = mode->vdisplay,

[RFC,1/5] drm: rcar-du: Link CRTCs to the DU device

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