From patchwork Wed Apr 9 08:29:33 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Kumar, Shobhit" X-Patchwork-Id: 3953161 Return-Path: X-Original-To: patchwork-intel-gfx@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 565689F371 for ; Wed, 9 Apr 2014 08:31:43 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 814B72046F for ; Wed, 9 Apr 2014 08:31:42 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id AB5B720461 for ; Wed, 9 Apr 2014 08:31:41 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 392B16EAB8; Wed, 9 Apr 2014 01:31:41 -0700 (PDT) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by gabe.freedesktop.org (Postfix) with ESMTP id 23C536EABF for ; Wed, 9 Apr 2014 01:31:40 -0700 (PDT) Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga102.jf.intel.com with ESMTP; 09 Apr 2014 01:25:55 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.97,824,1389772800"; d="scan'208";a="517435985" Received: from skumar40-mobl.iind.intel.com ([10.223.25.69]) by orsmga002.jf.intel.com with ESMTP; 09 Apr 2014 01:29:55 -0700 From: Shobhit Kumar To: intel-gfx Date: Wed, 9 Apr 2014 13:59:33 +0530 Message-Id: <1397032176-11988-5-git-send-email-shobhit.kumar@intel.com> X-Mailer: git-send-email 1.8.3.2 In-Reply-To: <1397032176-11988-1-git-send-email-shobhit.kumar@intel.com> References: <1397032176-11988-1-git-send-email-shobhit.kumar@intel.com> Cc: Jani Nikula , Daniel Vetter Subject: [Intel-gfx] [PATCH 4/7] drm/i915: Parameterize the Clockstop and escape_clk_div X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Spam-Status: No, score=-4.5 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP In preparation for Generic driver Signed-off-by: Shobhit Kumar Reviewed-by: Jani Nikula --- drivers/gpu/drm/i915/intel_dsi.c | 11 +++++++++-- drivers/gpu/drm/i915/intel_dsi.h | 4 +++- 2 files changed, 12 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_dsi.c b/drivers/gpu/drm/i915/intel_dsi.c index 4793a5b..dfcdb10 100644 --- a/drivers/gpu/drm/i915/intel_dsi.c +++ b/drivers/gpu/drm/i915/intel_dsi.c @@ -495,10 +495,17 @@ static void intel_dsi_mode_set(struct intel_encoder *intel_encoder) /* dphy stuff */ /* in terms of low power clock */ - I915_WRITE(MIPI_INIT_COUNT(pipe), txclkesc(ESCAPE_CLOCK_DIVIDER_1, 100)); + I915_WRITE(MIPI_INIT_COUNT(pipe), txclkesc(intel_dsi->escape_clk_div, 100)); + + val = 0; + if (intel_dsi->eotp_pkt == 0) + val |= EOT_DISABLE; + + if (intel_dsi->clock_stop) + val |= CLOCKSTOP; /* recovery disables */ - I915_WRITE(MIPI_EOT_DISABLE(pipe), intel_dsi->eot_disable); + I915_WRITE(MIPI_EOT_DISABLE(pipe), val); /* in terms of txbyteclkhs. actual high to low switch + * MIPI_STOP_STATE_STALL * MIPI_LP_BYTECLK. diff --git a/drivers/gpu/drm/i915/intel_dsi.h b/drivers/gpu/drm/i915/intel_dsi.h index b4a27ce..550714c 100644 --- a/drivers/gpu/drm/i915/intel_dsi.h +++ b/drivers/gpu/drm/i915/intel_dsi.h @@ -95,8 +95,10 @@ struct intel_dsi { u32 video_mode_format; /* eot for MIPI_EOT_DISABLE register */ - u32 eot_disable; + u8 eotp_pkt; + u8 clock_stop; + u8 escape_clk_div; u32 port_bits; u32 bw_timer; u32 dphy_reg;