From patchwork Mon May 13 20:56:42 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Summers, Stuart" X-Patchwork-Id: 10941787 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 615546C5 for ; Mon, 13 May 2019 20:57:02 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 50983283C8 for ; Mon, 13 May 2019 20:57:02 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 44B852843B; Mon, 13 May 2019 20:57:02 +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 95232283C8 for ; Mon, 13 May 2019 20:57:01 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 25C1289240; Mon, 13 May 2019 20:57:01 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTPS id CB24589232 for ; Mon, 13 May 2019 20:56:45 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by orsmga101.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 13 May 2019 13:56:45 -0700 X-ExtLoop1: 1 Received: from jssummer-desk.ra.intel.com ([10.54.134.159]) by fmsmga007.fm.intel.com with ESMTP; 13 May 2019 13:56:44 -0700 From: Stuart Summers To: intel-gfx@lists.freedesktop.org Date: Mon, 13 May 2019 13:56:42 -0700 Message-Id: <20190513205643.16488-5-stuart.summers@intel.com> X-Mailer: git-send-email 2.21.0.5.gaeb582a983 In-Reply-To: <20190513205643.16488-1-stuart.summers@intel.com> References: <20190513205643.16488-1-stuart.summers@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 4/5] drm/i915: Refactor sseu helper functions 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: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Virus-Scanned: ClamAV using ClamSMTP Move functions to intel_sseu.h and remove inline qualifier. Additionally, ensure these are all prefixed with intel_sseu_* to match the convention of other functions in i915. v2: fix spacing from checkpatch warning v3: squash helper function changes into a single patch break 80 character line to fix checkpatch warning move get/set_eus helpers to intel_device_info.c v4: Remove intel_ prefix from static functions in intel_device_info.c and correctly copy changes to stride calculation in those functions. Acked-by: Jani Nikula Cc: Daniele Ceraolo Spurio Reviewed-by: Daniele Ceraolo Spurio Signed-off-by: Stuart Summers --- drivers/gpu/drm/i915/gt/intel_sseu.c | 17 +++++++ drivers/gpu/drm/i915/gt/intel_sseu.h | 10 ++-- drivers/gpu/drm/i915/i915_debugfs.c | 4 +- drivers/gpu/drm/i915/i915_drv.c | 2 +- drivers/gpu/drm/i915/intel_device_info.c | 60 +++++++++++++++++++----- drivers/gpu/drm/i915/intel_device_info.h | 44 ----------------- 6 files changed, 74 insertions(+), 63 deletions(-) diff --git a/drivers/gpu/drm/i915/gt/intel_sseu.c b/drivers/gpu/drm/i915/gt/intel_sseu.c index 7f448f3bea0b..a0756f006f5f 100644 --- a/drivers/gpu/drm/i915/gt/intel_sseu.c +++ b/drivers/gpu/drm/i915/gt/intel_sseu.c @@ -8,6 +8,23 @@ #include "intel_lrc_reg.h" #include "intel_sseu.h" +unsigned int +intel_sseu_subslice_total(const struct sseu_dev_info *sseu) +{ + unsigned int i, total = 0; + + for (i = 0; i < ARRAY_SIZE(sseu->subslice_mask); i++) + total += hweight8(sseu->subslice_mask[i]); + + return total; +} + +unsigned int +intel_sseu_subslices_per_slice(const struct sseu_dev_info *sseu, u8 slice) +{ + return hweight8(sseu->subslice_mask[slice]); +} + u32 intel_sseu_make_rpcs(struct drm_i915_private *i915, const struct intel_sseu *req_sseu) { diff --git a/drivers/gpu/drm/i915/gt/intel_sseu.h b/drivers/gpu/drm/i915/gt/intel_sseu.h index 9618dff46d83..b50d0401a4e2 100644 --- a/drivers/gpu/drm/i915/gt/intel_sseu.h +++ b/drivers/gpu/drm/i915/gt/intel_sseu.h @@ -63,11 +63,11 @@ intel_sseu_from_device_info(const struct sseu_dev_info *sseu) return value; } -static inline unsigned int -intel_sseu_subslices_per_slice(const struct sseu_dev_info *sseu, u8 slice) -{ - return hweight8(sseu->subslice_mask[slice]); -} +unsigned int +intel_sseu_subslice_total(const struct sseu_dev_info *sseu); + +unsigned int +intel_sseu_subslices_per_slice(const struct sseu_dev_info *sseu, u8 slice); u32 intel_sseu_make_rpcs(struct drm_i915_private *i915, const struct intel_sseu *req_sseu); diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 9b000ee3f982..a26015722405 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -4164,7 +4164,7 @@ static void broadwell_sseu_device_status(struct drm_i915_private *dev_priv, RUNTIME_INFO(dev_priv)->sseu.subslice_mask[s]; } sseu->eu_total = sseu->eu_per_subslice * - sseu_subslice_total(sseu); + intel_sseu_subslice_total(sseu); /* subtract fused off EU(s) from enabled slice(s) */ for (s = 0; s < fls(sseu->slice_mask); s++) { @@ -4188,7 +4188,7 @@ static void i915_print_sseu_info(struct seq_file *m, bool is_available_info, seq_printf(m, " %s Slice Total: %u\n", type, hweight8(sseu->slice_mask)); seq_printf(m, " %s Subslice Total: %u\n", type, - sseu_subslice_total(sseu)); + intel_sseu_subslice_total(sseu)); for (s = 0; s < fls(sseu->slice_mask); s++) { seq_printf(m, " %s Slice%i subslices: %u\n", type, s, intel_sseu_subslices_per_slice(sseu, s)); diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index f16b535655ac..8a7d4dea8609 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -383,7 +383,7 @@ static int i915_getparam_ioctl(struct drm_device *dev, void *data, value = i915_cmd_parser_get_version(dev_priv); break; case I915_PARAM_SUBSLICE_TOTAL: - value = sseu_subslice_total(sseu); + value = intel_sseu_subslice_total(sseu); if (!value) return -ENODEV; break; diff --git a/drivers/gpu/drm/i915/intel_device_info.c b/drivers/gpu/drm/i915/intel_device_info.c index 9d6b9c45bc5e..97f742530fa1 100644 --- a/drivers/gpu/drm/i915/intel_device_info.c +++ b/drivers/gpu/drm/i915/intel_device_info.c @@ -90,7 +90,7 @@ static void sseu_dump(const struct sseu_dev_info *sseu, struct drm_printer *p) drm_printf(p, "slice total: %u, mask=%04x\n", hweight8(sseu->slice_mask), sseu->slice_mask); - drm_printf(p, "subslice total: %u\n", sseu_subslice_total(sseu)); + drm_printf(p, "subslice total: %u\n", intel_sseu_subslice_total(sseu)); for (s = 0; s < sseu->max_slices; s++) { drm_printf(p, "slice%d: %u subslices, mask=%04x\n", s, intel_sseu_subslices_per_slice(sseu, s), @@ -114,6 +114,40 @@ void intel_device_info_dump_runtime(const struct intel_runtime_info *info, info->cs_timestamp_frequency_khz); } +static int sseu_eu_idx(const struct sseu_dev_info *sseu, int slice, + int subslice) +{ + int subslice_stride = GEN_SSEU_STRIDE(sseu->max_eus_per_subslice); + int slice_stride = sseu->max_subslices * subslice_stride; + + return slice * slice_stride + subslice * subslice_stride; +} + +static u16 sseu_get_eus(const struct sseu_dev_info *sseu, int slice, + int subslice) +{ + int i, offset = sseu_eu_idx(sseu, slice, subslice); + u16 eu_mask = 0; + + for (i = 0; i < GEN_SSEU_STRIDE(sseu->max_eus_per_subslice); i++) { + eu_mask |= ((u16)sseu->eu_mask[offset + i]) << + (i * BITS_PER_BYTE); + } + + return eu_mask; +} + +static void sseu_set_eus(struct sseu_dev_info *sseu, int slice, int subslice, + u16 eu_mask) +{ + int i, offset = sseu_eu_idx(sseu, slice, subslice); + + for (i = 0; i < GEN_SSEU_STRIDE(sseu->max_eus_per_subslice); i++) { + sseu->eu_mask[offset + i] = + (eu_mask >> (BITS_PER_BYTE * i)) & 0xff; + } +} + void intel_device_info_dump_topology(const struct sseu_dev_info *sseu, struct drm_printer *p) { @@ -260,9 +294,10 @@ static void gen10_sseu_info_init(struct drm_i915_private *dev_priv) * EU in any one subslice may be fused off for die * recovery. */ - sseu->eu_per_subslice = sseu_subslice_total(sseu) ? + sseu->eu_per_subslice = intel_sseu_subslice_total(sseu) ? DIV_ROUND_UP(sseu->eu_total, - sseu_subslice_total(sseu)) : 0; + intel_sseu_subslice_total(sseu)) : + 0; /* No restrictions on Power Gating */ sseu->has_slice_pg = 1; @@ -310,8 +345,9 @@ static void cherryview_sseu_info_init(struct drm_i915_private *dev_priv) * CHV expected to always have a uniform distribution of EU * across subslices. */ - sseu->eu_per_subslice = sseu_subslice_total(sseu) ? - sseu->eu_total / sseu_subslice_total(sseu) : + sseu->eu_per_subslice = intel_sseu_subslice_total(sseu) ? + sseu->eu_total / + intel_sseu_subslice_total(sseu) : 0; /* * CHV supports subslice power gating on devices with more than @@ -319,7 +355,7 @@ static void cherryview_sseu_info_init(struct drm_i915_private *dev_priv) * more than one EU pair per subslice. */ sseu->has_slice_pg = 0; - sseu->has_subslice_pg = sseu_subslice_total(sseu) > 1; + sseu->has_subslice_pg = intel_sseu_subslice_total(sseu) > 1; sseu->has_eu_pg = (sseu->eu_per_subslice > 2); } @@ -393,9 +429,10 @@ static void gen9_sseu_info_init(struct drm_i915_private *dev_priv) * recovery. BXT is expected to be perfectly uniform in EU * distribution. */ - sseu->eu_per_subslice = sseu_subslice_total(sseu) ? + sseu->eu_per_subslice = intel_sseu_subslice_total(sseu) ? DIV_ROUND_UP(sseu->eu_total, - sseu_subslice_total(sseu)) : 0; + intel_sseu_subslice_total(sseu)) : + 0; /* * SKL+ supports slice power gating on devices with more than * one slice, and supports EU power gating on devices with @@ -407,7 +444,7 @@ static void gen9_sseu_info_init(struct drm_i915_private *dev_priv) sseu->has_slice_pg = !IS_GEN9_LP(dev_priv) && hweight8(sseu->slice_mask) > 1; sseu->has_subslice_pg = - IS_GEN9_LP(dev_priv) && sseu_subslice_total(sseu) > 1; + IS_GEN9_LP(dev_priv) && intel_sseu_subslice_total(sseu) > 1; sseu->has_eu_pg = sseu->eu_per_subslice > 2; if (IS_GEN9_LP(dev_priv)) { @@ -496,9 +533,10 @@ static void broadwell_sseu_info_init(struct drm_i915_private *dev_priv) * subslices with the exception that any one EU in any one subslice may * be fused off for die recovery. */ - sseu->eu_per_subslice = sseu_subslice_total(sseu) ? + sseu->eu_per_subslice = intel_sseu_subslice_total(sseu) ? DIV_ROUND_UP(sseu->eu_total, - sseu_subslice_total(sseu)) : 0; + intel_sseu_subslice_total(sseu)) : + 0; /* * BDW supports slice power gating on devices with more than diff --git a/drivers/gpu/drm/i915/intel_device_info.h b/drivers/gpu/drm/i915/intel_device_info.h index 9d43f7edfd63..6412a9c72898 100644 --- a/drivers/gpu/drm/i915/intel_device_info.h +++ b/drivers/gpu/drm/i915/intel_device_info.h @@ -218,50 +218,6 @@ struct intel_driver_caps { bool has_logical_contexts:1; }; -static inline unsigned int sseu_subslice_total(const struct sseu_dev_info *sseu) -{ - unsigned int i, total = 0; - - for (i = 0; i < ARRAY_SIZE(sseu->subslice_mask); i++) - total += hweight8(sseu->subslice_mask[i]); - - return total; -} - -static inline int sseu_eu_idx(const struct sseu_dev_info *sseu, - int slice, int subslice) -{ - int subslice_stride = GEN_SSEU_STRIDE(sseu->max_eus_per_subslice); - int slice_stride = sseu->max_subslices * subslice_stride; - - return slice * slice_stride + subslice * subslice_stride; -} - -static inline u16 sseu_get_eus(const struct sseu_dev_info *sseu, - int slice, int subslice) -{ - int i, offset = sseu_eu_idx(sseu, slice, subslice); - u16 eu_mask = 0; - - for (i = 0; i < GEN_SSEU_STRIDE(sseu->max_eus_per_subslice); i++) { - eu_mask |= ((u16) sseu->eu_mask[offset + i]) << - (i * BITS_PER_BYTE); - } - - return eu_mask; -} - -static inline void sseu_set_eus(struct sseu_dev_info *sseu, - int slice, int subslice, u16 eu_mask) -{ - int i, offset = sseu_eu_idx(sseu, slice, subslice); - - for (i = 0; i < GEN_SSEU_STRIDE(sseu->max_eus_per_subslice); i++) { - sseu->eu_mask[offset + i] = - (eu_mask >> (BITS_PER_BYTE * i)) & 0xff; - } -} - const char *intel_platform_name(enum intel_platform platform); void intel_device_info_subplatform_init(struct drm_i915_private *dev_priv);