From patchwork Tue Jul 14 20:56:48 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Chrisanthus, Anitha" X-Patchwork-Id: 11663695 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id B52DA60D for ; Tue, 14 Jul 2020 21:00:06 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 9D4282067D for ; Tue, 14 Jul 2020 21:00:06 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9D4282067D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 8DA566E9DC; Tue, 14 Jul 2020 20:59:06 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by gabe.freedesktop.org (Postfix) with ESMTPS id 754BB6E9BF; Tue, 14 Jul 2020 20:58:36 +0000 (UTC) IronPort-SDR: 6fZppgd2yXnUoS5NIWqsZKTiUAwhk3soKzBpZtBWbNLci8N9VSeXACn3niApBVq3KA8j2xqppq zMz9VJtaUPsg== X-IronPort-AV: E=McAfee;i="6000,8403,9682"; a="128589635" X-IronPort-AV: E=Sophos;i="5.75,352,1589266800"; d="scan'208";a="128589635" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Jul 2020 13:58:18 -0700 IronPort-SDR: hpQAH07UDbrR9eABxNzfVOG5rjOGmnDGKIvTRvpZ8fwfEVJh0XUVJEr+RmHaQCfctCjQQxYxOo /tq0SiZ6Zg9Q== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.75,352,1589266800"; d="scan'208";a="316504059" Received: from ahanamuk-mobl.amr.corp.intel.com (HELO achrisan-DESK2.amr.corp.intel.com) ([10.251.155.61]) by orsmga008.jf.intel.com with ESMTP; 14 Jul 2020 13:58:18 -0700 From: Anitha Chrisanthus To: dri-devel@lists.freedesktop.org, anitha.chrisanthus@intel.com, bob.j.paauwe@intel.com, edmund.j.dea@intel.com Subject: [PATCH v2 02/59] drm/kmb: Added id to kmb_plane Date: Tue, 14 Jul 2020 13:56:48 -0700 Message-Id: <1594760265-11618-3-git-send-email-anitha.chrisanthus@intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1594760265-11618-1-git-send-email-anitha.chrisanthus@intel.com> References: <1594760265-11618-1-git-send-email-anitha.chrisanthus@intel.com> 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: daniel.vetter@intel.com, intel-gfx@lists.freedesktop.org, rodrigo.vivi@intel.com MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" This is to keep track of the id of the plane as there are 4 planes in Kmb and when update() is called, we need to know which plane need to be updated so that the corresponding plane's registers can be programmed. v2: moved extern to .h, upclassed dev_private, minor changes from code review. Signed-off-by: Anitha Chrisanthus Reviewed-by: Bob Paauwe --- drivers/gpu/drm/kmb/kmb_crtc.c | 13 ++++--- drivers/gpu/drm/kmb/kmb_crtc.h | 2 +- drivers/gpu/drm/kmb/kmb_drv.h | 2 +- drivers/gpu/drm/kmb/kmb_plane.c | 80 +++++++++++++++++++++++++++-------------- drivers/gpu/drm/kmb/kmb_plane.h | 28 +++++++++------ 5 files changed, 79 insertions(+), 46 deletions(-) diff --git a/drivers/gpu/drm/kmb/kmb_crtc.c b/drivers/gpu/drm/kmb/kmb_crtc.c index 1a00015..63821ed 100644 --- a/drivers/gpu/drm/kmb/kmb_crtc.c +++ b/drivers/gpu/drm/kmb/kmb_crtc.c @@ -105,9 +105,8 @@ static void kmb_crtc_mode_set_nofb(struct drm_crtc *crtc) kmb_write(lcd, LCD_VSYNC_START_EVEN, vsync_start_offset); kmb_write(lcd, LCD_VSYNC_END_EVEN, vsync_end_offset); } - /* enable all 4 layers */ - ctrl = LCD_CTRL_ENABLE | LCD_CTRL_VL1_ENABLE - | LCD_CTRL_VL2_ENABLE | LCD_CTRL_GL1_ENABLE | LCD_CTRL_GL2_ENABLE; + /* enable VL1 layer as default */ + ctrl = LCD_CTRL_ENABLE | LCD_CTRL_VL1_ENABLE; ctrl |= LCD_CTRL_PROGRESSIVE | LCD_CTRL_TIM_GEN_ENABLE | LCD_CTRL_OUTPUT_ENABLED; kmb_write(lcd, LCD_CONTROL, ctrl); @@ -175,17 +174,17 @@ static const struct drm_crtc_helper_funcs kmb_crtc_helper_funcs = { int kmb_setup_crtc(struct drm_device *drm) { struct kmb_drm_private *lcd = to_kmb(drm); - struct drm_plane *primary; + struct kmb_plane *primary; int ret; primary = kmb_plane_init(drm); if (IS_ERR(primary)) return PTR_ERR(primary); - ret = drm_crtc_init_with_planes(drm, &lcd->crtc, primary, NULL, - &kmb_crtc_funcs, NULL); + ret = drm_crtc_init_with_planes(drm, &lcd->crtc, &primary->base_plane, + NULL, &kmb_crtc_funcs, NULL); if (ret) { - kmb_plane_destroy(primary); + kmb_plane_destroy(&primary->base_plane); return ret; } diff --git a/drivers/gpu/drm/kmb/kmb_crtc.h b/drivers/gpu/drm/kmb/kmb_crtc.h index d7cc441..6c3efdd 100644 --- a/drivers/gpu/drm/kmb/kmb_crtc.h +++ b/drivers/gpu/drm/kmb/kmb_crtc.h @@ -35,5 +35,5 @@ struct kmb_crtc_state { #define to_kmb_crtc_state(x) container_of(x, struct kmb_crtc_state, crtc_base) #define to_kmb_crtc(x) container_of(x, struct kmb_crtc, crtc_base) extern void kmb_plane_destroy(struct drm_plane *plane); -extern struct drm_plane *kmb_plane_init(struct drm_device *drm); +extern struct kmb_plane *kmb_plane_init(struct drm_device *drm); #endif /* __KMB_CRTC_H__ */ diff --git a/drivers/gpu/drm/kmb/kmb_drv.h b/drivers/gpu/drm/kmb/kmb_drv.h index 90e1c86..23299a5 100644 --- a/drivers/gpu/drm/kmb/kmb_drv.h +++ b/drivers/gpu/drm/kmb/kmb_drv.h @@ -16,7 +16,7 @@ struct kmb_drm_private { struct clk *clk; struct drm_fbdev_cma *fbdev; struct drm_crtc crtc; - struct drm_plane *plane; + struct kmb_plane *plane; struct drm_atomic_state *state; }; diff --git a/drivers/gpu/drm/kmb/kmb_plane.c b/drivers/gpu/drm/kmb/kmb_plane.c index 9d4c8dc..7077a4c 100644 --- a/drivers/gpu/drm/kmb/kmb_plane.c +++ b/drivers/gpu/drm/kmb/kmb_plane.c @@ -41,46 +41,69 @@ static void kmb_plane_atomic_update(struct drm_plane *plane, dma_addr_t addr; unsigned int width; unsigned int height; - unsigned int i; unsigned int dma_len; - struct kmb_plane_state *kmb_state = to_kmb_plane_state(plane->state); + struct kmb_plane *kmb_plane = to_kmb_plane(plane); unsigned int dma_cfg; + unsigned int ctrl = 0; + unsigned char plane_id = kmb_plane->id; if (!fb) return; lcd = to_kmb(plane->dev); + switch (plane_id) { + case LAYER_0: + ctrl = LCD_CTRL_VL1_ENABLE; + break; + case LAYER_1: + ctrl = LCD_CTRL_VL2_ENABLE; + break; + case LAYER_2: + ctrl = LCD_CTRL_GL1_ENABLE; + break; + case LAYER_3: + ctrl = LCD_CTRL_GL2_ENABLE; + break; + } + + ctrl |= LCD_CTRL_ENABLE; + ctrl |= LCD_CTRL_PROGRESSIVE | LCD_CTRL_TIM_GEN_ENABLE + | LCD_CTRL_OUTPUT_ENABLED; + kmb_write(lcd, LCD_CONTROL, ctrl); + /* TBD */ /*set LCD_LAYERn_WIDTH, LCD_LAYERn_HEIGHT, LCD_LAYERn_COL_START, * LCD_LAYERn_ROW_START, LCD_LAYERn_CFG * CFG should set the pixel format, FIFO level and BPP */ + /*TBD check visible? */ + /* we may have to set LCD_DMA_VSTRIDE_ENABLE in the future */ dma_cfg = LCD_DMA_LAYER_ENABLE | LCD_DMA_LAYER_AUTO_UPDATE | LCD_DMA_LAYER_CONT_UPDATE | LCD_DMA_LAYER_AXI_BURST_1; - for (i = 0; i < kmb_state->no_planes; i++) { - /* disable DMA first */ - kmb_write(lcd, LCD_LAYERn_DMA_CFG(i), ~LCD_DMA_LAYER_ENABLE); + /* disable DMA first */ + kmb_write(lcd, LCD_LAYERn_DMA_CFG(plane_id), ~LCD_DMA_LAYER_ENABLE); - addr = drm_fb_cma_get_gem_addr(fb, plane->state, i); - kmb_write(lcd, LCD_LAYERn_DMA_START_ADDR(i), addr); - kmb_write(lcd, LCD_LAYERn_DMA_START_SHADOW(i), addr); + addr = drm_fb_cma_get_gem_addr(fb, plane->state, plane_id); + kmb_write(lcd, LCD_LAYERn_DMA_START_ADDR(plane_id), addr); + kmb_write(lcd, LCD_LAYERn_DMA_START_SHADOW(plane_id), addr); - width = fb->width; - height = fb->height; - dma_len = width * height * fb->format->cpp[i]; - kmb_write(lcd, LCD_LAYERn_DMA_LEN(i), dma_len); + width = fb->width; + height = fb->height; + dma_len = width * height * fb->format->cpp[plane_id]; + kmb_write(lcd, LCD_LAYERn_DMA_LEN(plane_id), dma_len); - kmb_write(lcd, LCD_LAYERn_DMA_LINE_VSTRIDE(i), fb->pitches[0]); - kmb_write(lcd, LCD_LAYERn_DMA_LINE_WIDTH(i), - (width * fb->format->cpp[i])); + kmb_write(lcd, LCD_LAYERn_DMA_LINE_VSTRIDE(plane_id), + fb->pitches[plane_id]); + kmb_write(lcd, LCD_LAYERn_DMA_LINE_WIDTH(plane_id), + (width * fb->format->cpp[plane_id])); + + /* enable DMA */ + kmb_write(lcd, LCD_LAYERn_DMA_CFG(plane_id), dma_cfg); - /* enable DMA */ - kmb_write(lcd, LCD_LAYERn_DMA_CFG(i), dma_cfg); - } } static const struct drm_plane_helper_funcs kmb_plane_helper_funcs = { @@ -90,7 +113,9 @@ static const struct drm_plane_helper_funcs kmb_plane_helper_funcs = { void kmb_plane_destroy(struct drm_plane *plane) { + struct kmb_plane *kmb_plane = to_kmb_plane(plane); drm_plane_cleanup(plane); + kfree(kmb_plane); } static void kmb_destroy_plane_state(struct drm_plane *plane, @@ -185,11 +210,11 @@ static const u32 kmb_formats_v[] = { DRM_FORMAT_NV12, DRM_FORMAT_NV21, }; -struct drm_plane *kmb_plane_init(struct drm_device *drm) +struct kmb_plane *kmb_plane_init(struct drm_device *drm) { struct kmb_drm_private *lcd = to_kmb(drm); - struct drm_plane *plane = NULL; - struct drm_plane *primary = NULL; + struct kmb_plane *plane = NULL; + struct kmb_plane *primary = NULL; int i = 0; int ret; enum drm_plane_type plane_type; @@ -213,18 +238,21 @@ struct drm_plane *kmb_plane_init(struct drm_device *drm) num_plane_formats = ARRAY_SIZE(kmb_formats_g); } - ret = drm_universal_plane_init(drm, plane, 0xFF, - &kmb_plane_funcs, plane_formats, - num_plane_formats, - NULL, plane_type, "plane %d", i); + ret = + drm_universal_plane_init(drm, &plane->base_plane, + POSSIBLE_CRTCS, &kmb_plane_funcs, + plane_formats, num_plane_formats, + NULL, plane_type, "plane %d", i); if (ret < 0) goto cleanup; - drm_plane_helper_add(plane, &kmb_plane_helper_funcs); + drm_plane_helper_add(&plane->base_plane, + &kmb_plane_helper_funcs); if (plane_type == DRM_PLANE_TYPE_PRIMARY) { primary = plane; lcd->plane = plane; } + plane->id = i; } cleanup: diff --git a/drivers/gpu/drm/kmb/kmb_plane.h b/drivers/gpu/drm/kmb/kmb_plane.h index 46cdcaa..38b32a2 100644 --- a/drivers/gpu/drm/kmb/kmb_plane.h +++ b/drivers/gpu/drm/kmb/kmb_plane.h @@ -8,25 +8,31 @@ #include "kmb_drv.h" -#define KMB_MAX_PLANES 4 +enum layer_id { + LAYER_0, + LAYER_1, + LAYER_2, + LAYER_3, + KMB_MAX_PLANES, +}; + +struct kmb_plane { + struct drm_plane base_plane; + struct kmb_drm_private kmb_dev; + unsigned char id; +}; -/* this struct may be needed in the future - *struct kmb_plane { - * struct drm_plane base_plane; - * struct kmb_drm_private kmb_dev; - *}; - */ struct kmb_plane_state { struct drm_plane_state base_plane_state; unsigned char no_planes; }; -/* may be needed in the future - *#define to_kmb_plane(x) container_of(x, struct kmb_plane, base_plane) - */ +#define POSSIBLE_CRTCS 1 +#define to_kmb_plane(x) container_of(x, struct kmb_plane, base_plane) + #define to_kmb_plane_state(x) \ container_of(x, struct kmb_plane_state, base_plane_state) -struct drm_plane *kmb_plane_init(struct drm_device *drm); +struct kmb_plane *kmb_plane_init(struct drm_device *drm); void kmb_plane_destroy(struct drm_plane *plane); #endif /* __KMB_PLANE_H__ */