From patchwork Mon Aug 28 05:42:55 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Suraj Kandpal X-Patchwork-Id: 13367549 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 220E1C71153 for ; Mon, 28 Aug 2023 05:44:50 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id A5EB910E0E2; Mon, 28 Aug 2023 05:44:49 +0000 (UTC) Received: from mgamail.intel.com (mgamail.intel.com [192.55.52.120]) by gabe.freedesktop.org (Postfix) with ESMTPS id AE1DE10E0C7 for ; Mon, 28 Aug 2023 05:44:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1693201485; x=1724737485; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=qZ4CPixKNxkPWsbLRXAHY2/PfJP8lHFCyEM7Z5+GODI=; b=fpNog8UTyALMKoV9imaNy5lV60Jik+YsF12oGICzgYHZgWnWPIdgCwZ/ DFaklFnF1UI9R6Vrk0Vrt5pDD29PRTfgyHQDsy6vTrIKSZYDFTDclCRde 5uFHOn6IUes4KPsUgL4aqqlTq30H2waz3oldjYJYwWKl8H4DOlJmURD7K pghXxrEk8vnGPNTIfnVwLo2hKLsdtRHYp2XXtGnh8F/CCKOF3++IY2gCm zM8gPxjes6PtJzAsv04EDJP9WwfcI08genFOcNWka3FyDGLXrzVC7utZ+ c+3QiuYbmZwmBiBXkAaakjcgh46zZjoFZ6qBt9tVo72hNyj7/dlJY0ccV Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10815"; a="373906601" X-IronPort-AV: E=Sophos;i="6.02,206,1688454000"; d="scan'208";a="373906601" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Aug 2023 22:44:45 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10815"; a="738128543" X-IronPort-AV: E=Sophos;i="6.02,206,1688454000"; d="scan'208";a="738128543" Received: from kandpal-x299-ud4-pro.iind.intel.com ([10.190.239.32]) by orsmga002.jf.intel.com with ESMTP; 27 Aug 2023 22:44:43 -0700 From: Suraj Kandpal To: intel-gfx@lists.freedesktop.org Date: Mon, 28 Aug 2023 11:12:55 +0530 Message-Id: <20230828054300.560559-3-suraj.kandpal@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230828054300.560559-1-suraj.kandpal@intel.com> References: <20230828054300.560559-1-suraj.kandpal@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v12 2/8] drm/i915/vdsc: Add a check for dsc split cases X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" In intel_vdsc_get_config we only read the primary dsc engine register and not take into account if the other dsc engine is in use and if both registers have the same value or not this patche fixes that by adding a check. --v3 -Remove superfluos new line [Jani] -Fix register naming [Jani] --v5 -pps_temp0/pps_temp1 can be assigned where they are used [Ankit] Signed-off-by: Suraj Kandpal Reviewed-by: Ankit Nautiyal --- drivers/gpu/drm/i915/display/intel_vdsc.c | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/display/intel_vdsc.c b/drivers/gpu/drm/i915/display/intel_vdsc.c index e4c395b4dc46..94af579b63d3 100644 --- a/drivers/gpu/drm/i915/display/intel_vdsc.c +++ b/drivers/gpu/drm/i915/display/intel_vdsc.c @@ -1002,7 +1002,7 @@ void intel_dsc_get_config(struct intel_crtc_state *crtc_state) enum pipe pipe = crtc->pipe; enum intel_display_power_domain power_domain; intel_wakeref_t wakeref; - u32 dss_ctl1, dss_ctl2, pps0 = 0, pps1 = 0; + u32 dss_ctl1, dss_ctl2, pps0 = 0, pps1 = 0, pps_temp0, pps_temp1; if (!intel_dsc_source_support(crtc_state)) return; @@ -1028,11 +1028,23 @@ void intel_dsc_get_config(struct intel_crtc_state *crtc_state) /* PPS0 & PPS1 */ if (!is_pipe_dsc(crtc, cpu_transcoder)) { pps1 = intel_de_read(dev_priv, DSCA_PICTURE_PARAMETER_SET_1); + if (crtc_state->dsc.dsc_split) { + pps_temp1 = intel_de_read(dev_priv, DSCC_PICTURE_PARAMETER_SET_1); + drm_WARN_ON(&dev_priv->drm, pps1 != pps_temp1); + } } else { pps0 = intel_de_read(dev_priv, ICL_DSC0_PICTURE_PARAMETER_SET_0(pipe)); pps1 = intel_de_read(dev_priv, ICL_DSC0_PICTURE_PARAMETER_SET_1(pipe)); + if (crtc_state->dsc.dsc_split) { + pps_temp0 = intel_de_read(dev_priv, + ICL_DSC1_PICTURE_PARAMETER_SET_0(pipe)); + pps_temp1 = intel_de_read(dev_priv, + ICL_DSC1_PICTURE_PARAMETER_SET_1(pipe)); + drm_WARN_ON(&dev_priv->drm, pps0 != pps_temp0); + drm_WARN_ON(&dev_priv->drm, pps1 != pps_temp1); + } } vdsc_cfg->bits_per_pixel = pps1;