From patchwork Thu Dec 1 20:29:16 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hans de Goede X-Patchwork-Id: 9456835 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 60CE260515 for ; Thu, 1 Dec 2016 20:30:42 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 547DA28538 for ; Thu, 1 Dec 2016 20:30:42 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 494702853B; Thu, 1 Dec 2016 20:30:42 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id DFBCB28538 for ; Thu, 1 Dec 2016 20:30:41 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 7C5416E8CB; Thu, 1 Dec 2016 20:29:50 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by gabe.freedesktop.org (Postfix) with ESMTPS id 5572E6E8C8; Thu, 1 Dec 2016 20:29:49 +0000 (UTC) Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id EE15F7F7D4; Thu, 1 Dec 2016 20:29:48 +0000 (UTC) Received: from shalem.localdomain.com (ovpn-112-28.ams2.redhat.com [10.36.112.28]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id uB1KTQnv018987; Thu, 1 Dec 2016 15:29:47 -0500 From: Hans de Goede To: Daniel Vetter , Jani Nikula , =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= Subject: [PATCH 09/18] drm/i915/dsi: Make intel_dsi_enable/disable directly exec VBT sequences Date: Thu, 1 Dec 2016 21:29:16 +0100 Message-Id: <20161201202925.12220-10-hdegoede@redhat.com> In-Reply-To: <20161201202925.12220-1-hdegoede@redhat.com> References: <20161201202925.12220-1-hdegoede@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.28]); Thu, 01 Dec 2016 20:29:49 +0000 (UTC) Cc: Hans de Goede , intel-gfx , dri-devel@lists.freedesktop.org X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP The drm_panel_enable/disable and drm_panel_prepare/unprepare calls are not fine grained enough to abstract all the different steps we need to take (and VBT sequences we need to exec) properly. So simply remove the panel _enable/disable and prepare/unprepare callbacks and instead export intel_dsi_exec_vbt_sequence() from intel_dsi_panel_vbt.c and call that from intel_dsi_enable/disable(). No functional changes. Signed-off-by: Hans de Goede --- drivers/gpu/drm/i915/intel_dsi.c | 14 +++++++--- drivers/gpu/drm/i915/intel_dsi.h | 3 +++ drivers/gpu/drm/i915/intel_dsi_panel_vbt.c | 43 ++---------------------------- 3 files changed, 15 insertions(+), 45 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_dsi.c b/drivers/gpu/drm/i915/intel_dsi.c index 85b748d..cf761e8 100644 --- a/drivers/gpu/drm/i915/intel_dsi.c +++ b/drivers/gpu/drm/i915/intel_dsi.c @@ -656,7 +656,10 @@ static void intel_dsi_pre_enable(struct intel_encoder *encoder, /* put device in ready state */ intel_dsi_device_ready(encoder); - drm_panel_prepare(intel_dsi->panel); + intel_dsi_exec_vbt_sequence(intel_dsi, MIPI_SEQ_ASSERT_RESET); + intel_dsi_exec_vbt_sequence(intel_dsi, MIPI_SEQ_POWER_ON); + intel_dsi_exec_vbt_sequence(intel_dsi, MIPI_SEQ_DEASSERT_RESET); + intel_dsi_exec_vbt_sequence(intel_dsi, MIPI_SEQ_INIT_OTP); /* Enable port in pre-enable phase itself because as per hw team * recommendation, port should be enabled befor plane & pipe */ @@ -669,7 +672,8 @@ static void intel_dsi_pre_enable(struct intel_encoder *encoder, dpi_send_cmd(intel_dsi, TURN_ON, false, port); msleep(100); - drm_panel_enable(intel_dsi->panel); + intel_dsi_exec_vbt_sequence(intel_dsi, MIPI_SEQ_DISPLAY_ON); + intel_dsi_exec_vbt_sequence(intel_dsi, MIPI_SEQ_BACKLIGHT_ON); intel_dsi_port_enable(encoder); } @@ -732,7 +736,8 @@ static void intel_dsi_post_disable(struct intel_encoder *encoder, * if disable packets are sent before sending shutdown packet then in * some next enable sequence send turn on packet error is observed */ - drm_panel_disable(intel_dsi->panel); + intel_dsi_exec_vbt_sequence(intel_dsi, MIPI_SEQ_BACKLIGHT_OFF); + intel_dsi_exec_vbt_sequence(intel_dsi, MIPI_SEQ_DISPLAY_OFF); intel_dsi_clear_device_ready(encoder); @@ -746,7 +751,8 @@ static void intel_dsi_post_disable(struct intel_encoder *encoder, I915_WRITE(DSPCLK_GATE_D, val); } - drm_panel_unprepare(intel_dsi->panel); + intel_dsi_exec_vbt_sequence(intel_dsi, MIPI_SEQ_ASSERT_RESET); + intel_dsi_exec_vbt_sequence(intel_dsi, MIPI_SEQ_POWER_OFF); msleep(intel_dsi->panel_off_delay); diff --git a/drivers/gpu/drm/i915/intel_dsi.h b/drivers/gpu/drm/i915/intel_dsi.h index d567823..5486491 100644 --- a/drivers/gpu/drm/i915/intel_dsi.h +++ b/drivers/gpu/drm/i915/intel_dsi.h @@ -132,6 +132,9 @@ static inline struct intel_dsi *enc_to_intel_dsi(struct drm_encoder *encoder) void wait_for_dsi_fifo_empty(struct intel_dsi *intel_dsi, enum port port); +void intel_dsi_exec_vbt_sequence(struct intel_dsi *intel_dsi, + enum mipi_seq seq_id); + bool intel_dsi_pll_is_enabled(struct drm_i915_private *dev_priv); int intel_compute_dsi_pll(struct intel_encoder *encoder, struct intel_crtc_state *config); diff --git a/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c b/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c index b5a02c6..f71f913 100644 --- a/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c +++ b/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c @@ -400,10 +400,9 @@ static const char *sequence_name(enum mipi_seq seq_id) return "(unknown)"; } -static void generic_exec_sequence(struct drm_panel *panel, enum mipi_seq seq_id) +void intel_dsi_exec_vbt_sequence(struct intel_dsi *intel_dsi, + enum mipi_seq seq_id) { - struct vbt_panel *vbt_panel = to_vbt_panel(panel); - struct intel_dsi *intel_dsi = vbt_panel->intel_dsi; struct drm_i915_private *dev_priv = to_i915(intel_dsi->base.base.dev); const u8 *data; fn_mipi_elem_exec mipi_elem_exec; @@ -467,40 +466,6 @@ static void generic_exec_sequence(struct drm_panel *panel, enum mipi_seq seq_id) } } -static int vbt_panel_prepare(struct drm_panel *panel) -{ - generic_exec_sequence(panel, MIPI_SEQ_ASSERT_RESET); - generic_exec_sequence(panel, MIPI_SEQ_POWER_ON); - generic_exec_sequence(panel, MIPI_SEQ_DEASSERT_RESET); - generic_exec_sequence(panel, MIPI_SEQ_INIT_OTP); - - return 0; -} - -static int vbt_panel_unprepare(struct drm_panel *panel) -{ - generic_exec_sequence(panel, MIPI_SEQ_ASSERT_RESET); - generic_exec_sequence(panel, MIPI_SEQ_POWER_OFF); - - return 0; -} - -static int vbt_panel_enable(struct drm_panel *panel) -{ - generic_exec_sequence(panel, MIPI_SEQ_DISPLAY_ON); - generic_exec_sequence(panel, MIPI_SEQ_BACKLIGHT_ON); - - return 0; -} - -static int vbt_panel_disable(struct drm_panel *panel) -{ - generic_exec_sequence(panel, MIPI_SEQ_BACKLIGHT_OFF); - generic_exec_sequence(panel, MIPI_SEQ_DISPLAY_OFF); - - return 0; -} - static int vbt_panel_get_modes(struct drm_panel *panel) { struct vbt_panel *vbt_panel = to_vbt_panel(panel); @@ -524,10 +489,6 @@ static int vbt_panel_get_modes(struct drm_panel *panel) } static const struct drm_panel_funcs vbt_panel_funcs = { - .disable = vbt_panel_disable, - .unprepare = vbt_panel_unprepare, - .prepare = vbt_panel_prepare, - .enable = vbt_panel_enable, .get_modes = vbt_panel_get_modes, };