From patchwork Fri Jun 22 10:41:31 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Kumar, Mahesh" X-Patchwork-Id: 10481773 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 9977960388 for ; Fri, 22 Jun 2018 10:40:16 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 9813B28EC8 for ; Fri, 22 Jun 2018 10:40:16 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 8CD3828F31; Fri, 22 Jun 2018 10:40:16 +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=-5.2 required=2.0 tests=BAYES_00, MAILING_LIST_MULTI, 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 2B82C28EBC for ; Fri, 22 Jun 2018 10:40:16 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 745456E98B; Fri, 22 Jun 2018 10:40:15 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by gabe.freedesktop.org (Postfix) with ESMTPS id F34436E98B for ; Fri, 22 Jun 2018 10:40:11 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga005.jf.intel.com ([10.7.209.41]) by orsmga105.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 22 Jun 2018 03:40:11 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.51,256,1526367600"; d="scan'208";a="234691371" Received: from unknown (HELO localhost.localdomain) ([10.223.25.241]) by orsmga005.jf.intel.com with ESMTP; 22 Jun 2018 03:40:10 -0700 From: Mahesh Kumar To: intel-gfx@lists.freedesktop.org Date: Fri, 22 Jun 2018 16:11:31 +0530 Message-Id: <20180622104134.6823-8-mahesh1.kumar@intel.com> X-Mailer: git-send-email 2.16.2 In-Reply-To: <20180622104134.6823-1-mahesh1.kumar@intel.com> References: <20180622104134.6823-1-mahesh1.kumar@intel.com> Subject: [Intel-gfx] [PATCH 07/10] drm/i915/crc: implement verify_crc_source callback X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.23 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-Virus-Scanned: ClamAV using ClamSMTP This patch implements verify_crc_source callback function introduced earlier in this series. Signed-off-by: Mahesh Kumar --- drivers/gpu/drm/i915/intel_display.c | 1 + drivers/gpu/drm/i915/intel_drv.h | 3 + drivers/gpu/drm/i915/intel_pipe_crc.c | 109 ++++++++++++++++++++++++++++++++++ 3 files changed, 113 insertions(+) diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 9cdc134b95cb..8951734b1afa 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -12865,6 +12865,7 @@ static const struct drm_crtc_funcs intel_crtc_funcs = { .atomic_duplicate_state = intel_crtc_duplicate_state, .atomic_destroy_state = intel_crtc_destroy_state, .set_crc_source = intel_crtc_set_crc_source, + .verify_crc_source = intel_crtc_verify_crc_source, }; struct wait_rps_boost { diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index 04d61897b044..083d40eae5c8 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -2161,10 +2161,13 @@ int intel_pipe_crc_create(struct drm_minor *minor); #ifdef CONFIG_DEBUG_FS int intel_crtc_set_crc_source(struct drm_crtc *crtc, const char *source_name, size_t *values_cnt); +int intel_crtc_verify_crc_source(struct drm_crtc *crtc, + const char *source_name, size_t *values_cnt); void intel_crtc_disable_pipe_crc(struct intel_crtc *crtc); void intel_crtc_enable_pipe_crc(struct intel_crtc *crtc); #else #define intel_crtc_set_crc_source NULL +#define intel_crtc_verify_crc_source NULL static inline void intel_crtc_disable_pipe_crc(struct intel_crtc *crtc) { } diff --git a/drivers/gpu/drm/i915/intel_pipe_crc.c b/drivers/gpu/drm/i915/intel_pipe_crc.c index 39a4e4edda07..65148c0476fc 100644 --- a/drivers/gpu/drm/i915/intel_pipe_crc.c +++ b/drivers/gpu/drm/i915/intel_pipe_crc.c @@ -913,6 +913,115 @@ int intel_pipe_crc_create(struct drm_minor *minor) return 0; } +static int i8xx_crc_source_valid(struct drm_i915_private *dev_priv, + const enum intel_pipe_crc_source source) +{ + switch (source) { + case INTEL_PIPE_CRC_SOURCE_PIPE: + case INTEL_PIPE_CRC_SOURCE_NONE: + return 0; + default: + return -EINVAL; + } +} + +static int i9xx_crc_source_valid(struct drm_i915_private *dev_priv, + const enum intel_pipe_crc_source source) +{ + switch (source) { + case INTEL_PIPE_CRC_SOURCE_PIPE: + case INTEL_PIPE_CRC_SOURCE_TV: + case INTEL_PIPE_CRC_SOURCE_DP_B: + case INTEL_PIPE_CRC_SOURCE_DP_C: + case INTEL_PIPE_CRC_SOURCE_DP_D: + case INTEL_PIPE_CRC_SOURCE_NONE: + return 0; + default: + return -EINVAL; + } +} + +static int vlv_crc_source_valid(struct drm_i915_private *dev_priv, + const enum intel_pipe_crc_source source) +{ + switch (source) { + case INTEL_PIPE_CRC_SOURCE_PIPE: + case INTEL_PIPE_CRC_SOURCE_DP_B: + case INTEL_PIPE_CRC_SOURCE_DP_C: + case INTEL_PIPE_CRC_SOURCE_DP_D: + case INTEL_PIPE_CRC_SOURCE_NONE: + return 0; + default: + return -EINVAL; + } +} + +static int ilk_crc_source_valid(struct drm_i915_private *dev_priv, + const enum intel_pipe_crc_source source) +{ + switch (source) { + case INTEL_PIPE_CRC_SOURCE_PIPE: + case INTEL_PIPE_CRC_SOURCE_PLANE1: + case INTEL_PIPE_CRC_SOURCE_PLANE2: + case INTEL_PIPE_CRC_SOURCE_NONE: + return 0; + default: + return -EINVAL; + } +} + +static int ivb_crc_source_valid(struct drm_i915_private *dev_priv, + const enum intel_pipe_crc_source source) +{ + switch (source) { + case INTEL_PIPE_CRC_SOURCE_PIPE: + case INTEL_PIPE_CRC_SOURCE_PLANE1: + case INTEL_PIPE_CRC_SOURCE_PLANE2: + case INTEL_PIPE_CRC_SOURCE_PF: + case INTEL_PIPE_CRC_SOURCE_NONE: + return 0; + default: + return -EINVAL; + } +} + +static int +intel_is_valid_crc_source(struct drm_i915_private *dev_priv, + const enum intel_pipe_crc_source source) +{ + if (IS_GEN2(dev_priv)) + return i8xx_crc_source_valid(dev_priv, source); + else if (INTEL_GEN(dev_priv) < 5) + return i9xx_crc_source_valid(dev_priv, source); + else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) + return vlv_crc_source_valid(dev_priv, source); + else if (IS_GEN5(dev_priv) || IS_GEN6(dev_priv)) + return ilk_crc_source_valid(dev_priv, source); + else + return ivb_crc_source_valid(dev_priv, source); +} + + +int intel_crtc_verify_crc_source(struct drm_crtc *crtc, const char *source_name, + size_t *values_cnt) +{ + struct drm_i915_private *dev_priv = to_i915(crtc->dev); + enum intel_pipe_crc_source source; + + if (display_crc_ctl_parse_source(source_name, &source) < 0) { + DRM_DEBUG_DRIVER("unknown source %s\n", source_name); + return -EINVAL; + } + + if (source == INTEL_PIPE_CRC_SOURCE_AUTO || + intel_is_valid_crc_source(dev_priv, source) == 0) { + *values_cnt = 5; + return 0; + } + + return -EINVAL; +} + int intel_crtc_set_crc_source(struct drm_crtc *crtc, const char *source_name, size_t *values_cnt) {