From patchwork Thu Jun 17 21:12:21 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: "Srivatsa, Anusha" X-Patchwork-Id: 12329543 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B48D2C49361 for ; Thu, 17 Jun 2021 21:12:36 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 81D3F613BF for ; Thu, 17 Jun 2021 21:12:36 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 81D3F613BF Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 019CF6E952; Thu, 17 Jun 2021 21:12:35 +0000 (UTC) Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by gabe.freedesktop.org (Postfix) with ESMTPS id 9B4976E9B4 for ; Thu, 17 Jun 2021 21:12:27 +0000 (UTC) IronPort-SDR: mWA3kQ7m70T67ea6jleHGDuhC2HWj8aFG0r+Y4Zhs6yy3JdEywOQrn8b1p2KOw0PK48c370a/M P9qCkV3B7Xzg== X-IronPort-AV: E=McAfee;i="6200,9189,10018"; a="292081541" X-IronPort-AV: E=Sophos;i="5.83,281,1616482800"; d="scan'208";a="292081541" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Jun 2021 14:12:27 -0700 IronPort-SDR: SyZbPEo62SE9JIyxiYLST4cqfe1hds/dnj0KjAHntwWPKZkdapeu2odBMFxEcMTTRc8+MVbHcr S/h4mqH9rLpQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.83,281,1616482800"; d="scan'208";a="622168079" Received: from anushasr-mobl6.jf.intel.com ([10.165.21.155]) by orsmga005.jf.intel.com with ESMTP; 17 Jun 2021 14:12:25 -0700 From: Anusha Srivatsa To: intel-gfx@lists.freedesktop.org Date: Thu, 17 Jun 2021 14:12:21 -0700 Message-Id: <20210617211225.13549-2-anusha.srivatsa@intel.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210617211225.13549-1-anusha.srivatsa@intel.com> References: <20210617211225.13549-1-anusha.srivatsa@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 1/5] drm/i915/display: Limit disabling PSR around cdclk changes to ADL-P 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" From: Gwan-gyeong Mun Only ADL-P platform requires a temporal disabling of PSR for changing the CDCLK PLL frequency with crawling. Changing the CDCLK PLL frequency on prior platforms of ADL-P or changing the CDCLK PLL frequency without crawling on ADL-P don't need to disable of PSR. Bspec: 49207 Cc: Ville Syrjälä Cc: Mika Kahola Cc: Stanislav Lisovskiy Cc: Anusha Srivatsa Fixes: 17c1a4b7ac6f ("drm/i915: Disable PSR around cdclk change") Signed-off-by: Gwan-gyeong Mun --- drivers/gpu/drm/i915/display/intel_cdclk.c | 22 ++++++++++++++++------ 1 file changed, 16 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_cdclk.c b/drivers/gpu/drm/i915/display/intel_cdclk.c index 613ffcc68eba..6da426d26aac 100644 --- a/drivers/gpu/drm/i915/display/intel_cdclk.c +++ b/drivers/gpu/drm/i915/display/intel_cdclk.c @@ -1962,10 +1962,18 @@ static void intel_set_cdclk(struct drm_i915_private *dev_priv, intel_dump_cdclk_config(cdclk_config, "Changing CDCLK to"); - for_each_intel_encoder_with_psr(&dev_priv->drm, encoder) { - struct intel_dp *intel_dp = enc_to_intel_dp(encoder); + /* + * Only ADL-P platform requires a temporal disabling of PSR for changing + * the CDCLK PLL frequency with crawling. + * Changing the CDCLK PLL frequency on prior platforms of ADL-P or changing + * the CDCLK PLL frequency without crawling on ADL-P don't need to disable of PSR. + */ + if (IS_ALDERLAKE_P(dev_priv)) { + for_each_intel_encoder_with_psr(&dev_priv->drm, encoder) { + struct intel_dp *intel_dp = enc_to_intel_dp(encoder); - intel_psr_pause(intel_dp); + intel_psr_pause(intel_dp); + } } /* @@ -1990,10 +1998,12 @@ static void intel_set_cdclk(struct drm_i915_private *dev_priv, } mutex_unlock(&dev_priv->gmbus_mutex); - for_each_intel_encoder_with_psr(&dev_priv->drm, encoder) { - struct intel_dp *intel_dp = enc_to_intel_dp(encoder); + if (IS_ALDERLAKE_P(dev_priv)) { + for_each_intel_encoder_with_psr(&dev_priv->drm, encoder) { + struct intel_dp *intel_dp = enc_to_intel_dp(encoder); - intel_psr_resume(intel_dp); + intel_psr_resume(intel_dp); + } } if (drm_WARN(&dev_priv->drm, From patchwork Thu Jun 17 21:12:22 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Srivatsa, Anusha" X-Patchwork-Id: 12329535 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 99BEAC2B9F4 for ; Thu, 17 Jun 2021 21:12:31 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 65D17613C1 for ; Thu, 17 Jun 2021 21:12:31 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 65D17613C1 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 2DCC56E95D; Thu, 17 Jun 2021 21:12:28 +0000 (UTC) Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTPS id 3EB826E95D for ; Thu, 17 Jun 2021 21:12:27 +0000 (UTC) IronPort-SDR: Vxa/YulnlXhTkxNEK5gMtVlspOOcj6IWtrIggmRKZaUk1bGe2Ef6yOYo5CApiBAW+P5kJXSpWN gy3MpJr3oKcw== X-IronPort-AV: E=McAfee;i="6200,9189,10018"; a="227972394" X-IronPort-AV: E=Sophos;i="5.83,281,1616482800"; d="scan'208";a="227972394" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Jun 2021 14:12:26 -0700 IronPort-SDR: t3LCp7ZwLxxbMZNh30Y7dHkJ/shHAXky++xAel97r1BCgvyimGoLl9Fv4F6+NQvEzXAV4HyFDI GzqT838pOsIQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.83,281,1616482800"; d="scan'208";a="622168080" Received: from anushasr-mobl6.jf.intel.com ([10.165.21.155]) by orsmga005.jf.intel.com with ESMTP; 17 Jun 2021 14:12:25 -0700 From: Anusha Srivatsa To: intel-gfx@lists.freedesktop.org Date: Thu, 17 Jun 2021 14:12:22 -0700 Message-Id: <20210617211225.13549-3-anusha.srivatsa@intel.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210617211225.13549-1-anusha.srivatsa@intel.com> References: <20210617211225.13549-1-anusha.srivatsa@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 2/5] drm/i915/dmc: Introduce DMC_FW_MAIN 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" This is a prep patch for Pipe DMC plugging. Add dmc_info struct in intel_dmc to have all common fields shared between all DMC's in the package. Add DMC_FW_MAIN(dmc_id 0) to refer to the blob. v2: Remove dmc_offset and start_mmioaddr from dmc_info struct (Jose) Cc: Souza, Jose Signed-off-by: Anusha Srivatsa Reviewed-by: Lucas De Marchi --- drivers/gpu/drm/i915/display/intel_dmc.c | 38 +++++++++++++----------- drivers/gpu/drm/i915/display/intel_dmc.h | 18 +++++++---- 2 files changed, 33 insertions(+), 23 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_dmc.c b/drivers/gpu/drm/i915/display/intel_dmc.c index 97308da28059..269a57d936ab 100644 --- a/drivers/gpu/drm/i915/display/intel_dmc.c +++ b/drivers/gpu/drm/i915/display/intel_dmc.c @@ -239,7 +239,7 @@ struct stepping_info { bool intel_dmc_has_payload(struct drm_i915_private *i915) { - return i915->dmc.dmc_payload; + return i915->dmc.dmc_info[DMC_FW_MAIN].payload; } static const struct stepping_info skl_stepping_info[] = { @@ -316,7 +316,8 @@ static void gen9_set_dc_state_debugmask(struct drm_i915_private *dev_priv) */ void intel_dmc_load_program(struct drm_i915_private *dev_priv) { - u32 *payload = dev_priv->dmc.dmc_payload; + struct intel_dmc *dmc = &dev_priv->dmc; + struct dmc_fw_info *dmc_info = &dmc->dmc_info[DMC_FW_MAIN]; u32 i, fw_size; if (!HAS_DMC(dev_priv)) { @@ -325,26 +326,26 @@ void intel_dmc_load_program(struct drm_i915_private *dev_priv) return; } - if (!intel_dmc_has_payload(dev_priv)) { + if (!dev_priv->dmc.dmc_info[DMC_FW_MAIN].payload) { drm_err(&dev_priv->drm, "Tried to program CSR with empty payload\n"); return; } - fw_size = dev_priv->dmc.dmc_fw_size; + fw_size = dmc_info->dmc_fw_size; assert_rpm_wakelock_held(&dev_priv->runtime_pm); preempt_disable(); for (i = 0; i < fw_size; i++) intel_uncore_write_fw(&dev_priv->uncore, DMC_PROGRAM(i), - payload[i]); + dmc_info->payload[i]); preempt_enable(); - for (i = 0; i < dev_priv->dmc.mmio_count; i++) { - intel_de_write(dev_priv, dev_priv->dmc.mmioaddr[i], - dev_priv->dmc.mmiodata[i]); + for (i = 0; i < dmc_info->mmio_count; i++) { + intel_de_write(dev_priv, dmc_info->mmioaddr[i], + dmc_info->mmiodata[i]); } dev_priv->dmc.dc_state = 0; @@ -401,13 +402,14 @@ static u32 parse_dmc_fw_header(struct intel_dmc *dmc, size_t rem_size) { struct drm_i915_private *i915 = container_of(dmc, typeof(*i915), dmc); + struct dmc_fw_info *dmc_info = &dmc->dmc_info[DMC_FW_MAIN]; unsigned int header_len_bytes, dmc_header_size, payload_size, i; const u32 *mmioaddr, *mmiodata; u32 mmio_count, mmio_count_max; u8 *payload; - BUILD_BUG_ON(ARRAY_SIZE(dmc->mmioaddr) < DMC_V3_MAX_MMIO_COUNT || - ARRAY_SIZE(dmc->mmioaddr) < DMC_V1_MAX_MMIO_COUNT); + BUILD_BUG_ON(ARRAY_SIZE(dmc_info->mmioaddr) < DMC_V3_MAX_MMIO_COUNT || + ARRAY_SIZE(dmc_info->mmioaddr) < DMC_V1_MAX_MMIO_COUNT); /* * Check if we can access common fields, we will checkc again below @@ -469,10 +471,10 @@ static u32 parse_dmc_fw_header(struct intel_dmc *dmc, mmioaddr[i]); return 0; } - dmc->mmioaddr[i] = _MMIO(mmioaddr[i]); - dmc->mmiodata[i] = mmiodata[i]; + dmc_info->mmioaddr[i] = _MMIO(mmioaddr[i]); + dmc_info->mmiodata[i] = mmiodata[i]; } - dmc->mmio_count = mmio_count; + dmc_info->mmio_count = mmio_count; rem_size -= header_len_bytes; @@ -485,14 +487,14 @@ static u32 parse_dmc_fw_header(struct intel_dmc *dmc, drm_err(&i915->drm, "DMC FW too big (%u bytes)\n", payload_size); return 0; } - dmc->dmc_fw_size = dmc_header->fw_size; + dmc_info->dmc_fw_size = dmc_header->fw_size; - dmc->dmc_payload = kmalloc(payload_size, GFP_KERNEL); - if (!dmc->dmc_payload) + dmc_info->payload = kmalloc(payload_size, GFP_KERNEL); + if (!dmc_info->payload) return 0; payload = (u8 *)(dmc_header) + header_len_bytes; - memcpy(dmc->dmc_payload, payload, payload_size); + memcpy(dmc_info->payload, payload, payload_size); return header_len_bytes + payload_size; @@ -827,5 +829,5 @@ void intel_dmc_ucode_fini(struct drm_i915_private *dev_priv) intel_dmc_ucode_suspend(dev_priv); drm_WARN_ON(&dev_priv->drm, dev_priv->dmc.wakeref); - kfree(dev_priv->dmc.dmc_payload); + kfree(dev_priv->dmc.dmc_info[DMC_FW_MAIN].payload); } diff --git a/drivers/gpu/drm/i915/display/intel_dmc.h b/drivers/gpu/drm/i915/display/intel_dmc.h index 4c22f567b61b..b872f3a4fd03 100644 --- a/drivers/gpu/drm/i915/display/intel_dmc.h +++ b/drivers/gpu/drm/i915/display/intel_dmc.h @@ -16,17 +16,25 @@ struct drm_i915_private; #define DMC_VERSION_MAJOR(version) ((version) >> 16) #define DMC_VERSION_MINOR(version) ((version) & 0xffff) +enum { + DMC_FW_MAIN = 0, + DMC_FW_MAX +}; + struct intel_dmc { struct work_struct work; const char *fw_path; u32 required_version; u32 max_fw_size; /* bytes */ - u32 *dmc_payload; - u32 dmc_fw_size; /* dwords */ u32 version; - u32 mmio_count; - i915_reg_t mmioaddr[20]; - u32 mmiodata[20]; + struct dmc_fw_info { + u32 mmio_count; + i915_reg_t mmioaddr[20]; + u32 mmiodata[20]; + u32 dmc_fw_size; /*dwords */ + u32 *payload; + } dmc_info[DMC_FW_MAX]; + u32 dc_state; u32 target_dc_state; u32 allowed_dc_mask; From patchwork Thu Jun 17 21:12:23 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Srivatsa, Anusha" X-Patchwork-Id: 12329537 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 66F1DC49361 for ; Thu, 17 Jun 2021 21:12:33 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 0F352613BF for ; Thu, 17 Jun 2021 21:12:33 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0F352613BF Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 6FCB16E954; Thu, 17 Jun 2021 21:12:28 +0000 (UTC) Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTPS id 5AF916E95A for ; Thu, 17 Jun 2021 21:12:27 +0000 (UTC) IronPort-SDR: cwM+vt48AD41O4gm9ZngLToDZ0CBTDUlrMgMPahNMRxQ28pkZV4gVSP6ZFClHb8vWsHTvVEtE4 EJQ37EL3kbow== X-IronPort-AV: E=McAfee;i="6200,9189,10018"; a="227972395" X-IronPort-AV: E=Sophos;i="5.83,281,1616482800"; d="scan'208";a="227972395" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Jun 2021 14:12:26 -0700 IronPort-SDR: SuqWFKkYj+baUmRoKJTOuFqOvUJqmGyrUl69uX/ifRxM0sFi4HOrM5Yn3xKNgKeoVIYax7wZYJ t+K+i9Y1F11g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.83,281,1616482800"; d="scan'208";a="622168081" Received: from anushasr-mobl6.jf.intel.com ([10.165.21.155]) by orsmga005.jf.intel.com with ESMTP; 17 Jun 2021 14:12:25 -0700 From: Anusha Srivatsa To: intel-gfx@lists.freedesktop.org Date: Thu, 17 Jun 2021 14:12:23 -0700 Message-Id: <20210617211225.13549-4-anusha.srivatsa@intel.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210617211225.13549-1-anusha.srivatsa@intel.com> References: <20210617211225.13549-1-anusha.srivatsa@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 3/5] drm/i915/xelpd: Pipe A DMC plugging 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" This patch adds Pipe A plumbing to the already existing parsing and loading functions which is taken care of in the prep patches. Adding MAX_DMC_FW to keep track for both Main and Pipe A DMC while loading the respective blobs. Also adding present field in dmc_info. s/find_dmc_fw_offset/csr_set_dmc_fw_offset. While at it add fw_info_matches_stepping() helper. CSR_PROGRAM() should now take the starting address of the particular blob (Main or Pipe) and not hardcode it. v2: Add dmc_offset and start_mmioaddr fields for dmc_info struct. v3: Add a missing corner cases of stepping-substepping combination in fw_info_matches_stepping() helper. v4: Add macro for start_mmioaddr for V1 package. Simplify code in dmc_set_fw_offset (Lucas) Cc: Souza, Jose Cc: Lucas De Marchi Signed-off-by: Anusha Srivatsa Reviewed-by: Lucas De Marchi --- .../drm/i915/display/intel_display_debugfs.c | 4 +- .../drm/i915/display/intel_display_power.c | 5 +- drivers/gpu/drm/i915/display/intel_dmc.c | 131 ++++++++++-------- drivers/gpu/drm/i915/display/intel_dmc.h | 4 + drivers/gpu/drm/i915/i915_reg.h | 2 +- 5 files changed, 85 insertions(+), 61 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_display_debugfs.c b/drivers/gpu/drm/i915/display/intel_display_debugfs.c index 88bb05d5c483..2a1c39a0e56e 100644 --- a/drivers/gpu/drm/i915/display/intel_display_debugfs.c +++ b/drivers/gpu/drm/i915/display/intel_display_debugfs.c @@ -544,6 +544,8 @@ static int i915_dmc_info(struct seq_file *m, void *unused) seq_printf(m, "fw loaded: %s\n", yesno(intel_dmc_has_payload(dev_priv))); seq_printf(m, "path: %s\n", dmc->fw_path); + seq_printf(m, "Pipe A fw support: %s\n", yesno(INTEL_GEN(dev_priv) >= 12)); + seq_printf(m, "Pipe A fw loaded: %s\n", yesno(dmc->dmc_info[DMC_FW_PIPEA].payload)); if (!intel_dmc_has_payload(dev_priv)) goto out; @@ -582,7 +584,7 @@ static int i915_dmc_info(struct seq_file *m, void *unused) out: seq_printf(m, "program base: 0x%08x\n", - intel_de_read(dev_priv, DMC_PROGRAM(0))); + intel_de_read(dev_priv, DMC_PROGRAM(dmc->dmc_info[DMC_FW_MAIN].start_mmioaddr, 0))); seq_printf(m, "ssp base: 0x%08x\n", intel_de_read(dev_priv, DMC_SSP_BASE)); seq_printf(m, "htp: 0x%08x\n", intel_de_read(dev_priv, DMC_HTP_SKL)); diff --git a/drivers/gpu/drm/i915/display/intel_display_power.c b/drivers/gpu/drm/i915/display/intel_display_power.c index 4298ae684d7d..285380079aab 100644 --- a/drivers/gpu/drm/i915/display/intel_display_power.c +++ b/drivers/gpu/drm/i915/display/intel_display_power.c @@ -961,8 +961,9 @@ static void bxt_disable_dc9(struct drm_i915_private *dev_priv) static void assert_dmc_loaded(struct drm_i915_private *dev_priv) { drm_WARN_ONCE(&dev_priv->drm, - !intel_de_read(dev_priv, DMC_PROGRAM(0)), - "DMC program storage start is NULL\n"); + !intel_de_read(dev_priv, + DMC_PROGRAM(dev_priv->dmc.dmc_info[DMC_FW_MAIN].start_mmioaddr, 0)), + "DMC program storage start is NULL\n"); drm_WARN_ONCE(&dev_priv->drm, !intel_de_read(dev_priv, DMC_SSP_BASE), "DMC SSP Base Not fine\n"); drm_WARN_ONCE(&dev_priv->drm, !intel_de_read(dev_priv, DMC_HTP_SKL), diff --git a/drivers/gpu/drm/i915/display/intel_dmc.c b/drivers/gpu/drm/i915/display/intel_dmc.c index 269a57d936ab..18e0d225a478 100644 --- a/drivers/gpu/drm/i915/display/intel_dmc.c +++ b/drivers/gpu/drm/i915/display/intel_dmc.c @@ -96,6 +96,7 @@ MODULE_FIRMWARE(BXT_DMC_PATH); #define PACKAGE_V2_MAX_FW_INFO_ENTRIES 32 #define DMC_V1_MAX_MMIO_COUNT 8 #define DMC_V3_MAX_MMIO_COUNT 20 +#define DMC_V1_MMIO_START_RANGE 0x80000 struct intel_css_header { /* 0x09 for DMC */ @@ -317,8 +318,7 @@ static void gen9_set_dc_state_debugmask(struct drm_i915_private *dev_priv) void intel_dmc_load_program(struct drm_i915_private *dev_priv) { struct intel_dmc *dmc = &dev_priv->dmc; - struct dmc_fw_info *dmc_info = &dmc->dmc_info[DMC_FW_MAIN]; - u32 i, fw_size; + u32 id, i; if (!HAS_DMC(dev_priv)) { drm_err(&dev_priv->drm, @@ -332,20 +332,25 @@ void intel_dmc_load_program(struct drm_i915_private *dev_priv) return; } - fw_size = dmc_info->dmc_fw_size; assert_rpm_wakelock_held(&dev_priv->runtime_pm); preempt_disable(); - for (i = 0; i < fw_size; i++) - intel_uncore_write_fw(&dev_priv->uncore, DMC_PROGRAM(i), - dmc_info->payload[i]); + for (id = 0; id < DMC_FW_MAX; id++) { + for (i = 0; i < dmc->dmc_info[id].dmc_fw_size; i++) { + intel_uncore_write_fw(&dev_priv->uncore, + DMC_PROGRAM(dmc->dmc_info[id].start_mmioaddr, i), + dmc->dmc_info[id].payload[i]); + } + } preempt_enable(); - for (i = 0; i < dmc_info->mmio_count; i++) { - intel_de_write(dev_priv, dmc_info->mmioaddr[i], - dmc_info->mmiodata[i]); + for (id = 0; id < DMC_FW_MAX; id++) { + for (i = 0; i < dmc->dmc_info[id].mmio_count; i++) { + intel_de_write(dev_priv, dmc->dmc_info[id].mmioaddr[i], + dmc->dmc_info[id].mmiodata[i]); + } } dev_priv->dmc.dc_state = 0; @@ -353,59 +358,68 @@ void intel_dmc_load_program(struct drm_i915_private *dev_priv) gen9_set_dc_state_debugmask(dev_priv); } +static bool fw_info_matches_stepping(const struct intel_fw_info *fw_info, + const struct stepping_info *si) +{ + if ((fw_info->substepping == '*' && si->stepping == fw_info->stepping) || + (si->stepping == fw_info->stepping && si->substepping == fw_info->substepping) || + /* + * If we don't find a more specific one from above two checks, we + * then check for the generic one to be sure to work even with + * "broken firmware" + */ + (si->stepping == '*' && si->substepping == fw_info->substepping) || + (fw_info->stepping == '*' && fw_info->substepping == '*')) + return true; + + return false; +} + /* * Search fw_info table for dmc_offset to find firmware binary: num_entries is * already sanitized. */ -static u32 find_dmc_fw_offset(const struct intel_fw_info *fw_info, +static void dmc_set_fw_offset(struct intel_dmc *dmc, + const struct intel_fw_info *fw_info, unsigned int num_entries, const struct stepping_info *si, u8 package_ver) { - u32 dmc_offset = DMC_DEFAULT_FW_OFFSET; - unsigned int i; + unsigned int i, id; + + struct drm_i915_private *i915 = container_of(dmc, typeof(*i915), dmc); for (i = 0; i < num_entries; i++) { - if (package_ver > 1 && fw_info[i].dmc_id != 0) - continue; + id = package_ver <= 1 ? DMC_FW_MAIN : fw_info[i].dmc_id; - if (fw_info[i].substepping == '*' && - si->stepping == fw_info[i].stepping) { - dmc_offset = fw_info[i].offset; - break; + if (id >= DMC_FW_MAX) { + drm_dbg(&i915->drm, "Unsupported firmware id: %u\n", id); + continue; } - if (si->stepping == fw_info[i].stepping && - si->substepping == fw_info[i].substepping) { - dmc_offset = fw_info[i].offset; - break; - } + /* More specific versions come first, so we don't even have to + * check for the stepping since we already found a previous FW + * for this id. + */ + if (dmc->dmc_info[id].present) + continue; - if (fw_info[i].stepping == '*' && - fw_info[i].substepping == '*') { - /* - * In theory we should stop the search as generic - * entries should always come after the more specific - * ones, but let's continue to make sure to work even - * with "broken" firmwares. If we don't find a more - * specific one, then we use this entry - */ - dmc_offset = fw_info[i].offset; + if (fw_info_matches_stepping(&fw_info[i], si)) { + dmc->dmc_info[id].present = true; + dmc->dmc_info[id].dmc_offset = fw_info[i].offset; } } - - return dmc_offset; } static u32 parse_dmc_fw_header(struct intel_dmc *dmc, const struct intel_dmc_header_base *dmc_header, - size_t rem_size) + size_t rem_size, u8 dmc_id) { struct drm_i915_private *i915 = container_of(dmc, typeof(*i915), dmc); - struct dmc_fw_info *dmc_info = &dmc->dmc_info[DMC_FW_MAIN]; + struct dmc_fw_info *dmc_info = &dmc->dmc_info[dmc_id]; unsigned int header_len_bytes, dmc_header_size, payload_size, i; const u32 *mmioaddr, *mmiodata; - u32 mmio_count, mmio_count_max; + u32 mmio_count, mmio_count_max, start_mmioaddr; u8 *payload; BUILD_BUG_ON(ARRAY_SIZE(dmc_info->mmioaddr) < DMC_V3_MAX_MMIO_COUNT || @@ -432,6 +446,7 @@ static u32 parse_dmc_fw_header(struct intel_dmc *dmc, mmio_count_max = DMC_V3_MAX_MMIO_COUNT; /* header_len is in dwords */ header_len_bytes = dmc_header->header_len * 4; + start_mmioaddr = v3->start_mmioaddr; dmc_header_size = sizeof(*v3); } else if (dmc_header->header_ver == 1) { const struct intel_dmc_header_v1 *v1 = @@ -445,6 +460,7 @@ static u32 parse_dmc_fw_header(struct intel_dmc *dmc, mmio_count = v1->mmio_count; mmio_count_max = DMC_V1_MAX_MMIO_COUNT; header_len_bytes = dmc_header->header_len; + start_mmioaddr = DMC_V1_MMIO_START_RANGE; dmc_header_size = sizeof(*v1); } else { drm_err(&i915->drm, "Unknown DMC fw header version: %u\n", @@ -465,16 +481,11 @@ static u32 parse_dmc_fw_header(struct intel_dmc *dmc, } for (i = 0; i < mmio_count; i++) { - if (mmioaddr[i] < DMC_MMIO_START_RANGE || - mmioaddr[i] > DMC_MMIO_END_RANGE) { - drm_err(&i915->drm, "DMC firmware has wrong mmio address 0x%x\n", - mmioaddr[i]); - return 0; - } dmc_info->mmioaddr[i] = _MMIO(mmioaddr[i]); dmc_info->mmiodata[i] = mmiodata[i]; } dmc_info->mmio_count = mmio_count; + dmc_info->start_mmioaddr = start_mmioaddr; rem_size -= header_len_bytes; @@ -511,7 +522,7 @@ parse_dmc_fw_package(struct intel_dmc *dmc, { struct drm_i915_private *i915 = container_of(dmc, typeof(*i915), dmc); u32 package_size = sizeof(struct intel_package_header); - u32 num_entries, max_entries, dmc_offset; + u32 num_entries, max_entries; const struct intel_fw_info *fw_info; if (rem_size < package_size) @@ -547,16 +558,11 @@ parse_dmc_fw_package(struct intel_dmc *dmc, fw_info = (const struct intel_fw_info *) ((u8 *)package_header + sizeof(*package_header)); - dmc_offset = find_dmc_fw_offset(fw_info, num_entries, si, - package_header->header_ver); - if (dmc_offset == DMC_DEFAULT_FW_OFFSET) { - drm_err(&i915->drm, "DMC firmware not supported for %c stepping\n", - si->stepping); - return 0; - } + dmc_set_fw_offset(dmc, fw_info, num_entries, si, + package_header->header_ver); /* dmc_offset is in dwords */ - return package_size + dmc_offset * 4; + return package_size; error_truncated: drm_err(&i915->drm, "Truncated DMC firmware, refusing.\n"); @@ -608,7 +614,8 @@ static void parse_dmc_fw(struct drm_i915_private *dev_priv, struct intel_dmc *dmc = &dev_priv->dmc; const struct stepping_info *si = intel_get_stepping_info(dev_priv); u32 readcount = 0; - u32 r; + u32 r, offset; + int id; if (!fw) return; @@ -629,9 +636,19 @@ static void parse_dmc_fw(struct drm_i915_private *dev_priv, readcount += r; - /* Extract dmc_header information */ - dmc_header = (struct intel_dmc_header_base *)&fw->data[readcount]; - parse_dmc_fw_header(dmc, dmc_header, fw->size - readcount); + for (id = 0; id < DMC_FW_MAX; id++) { + if (!dev_priv->dmc.dmc_info[id].present) + continue; + + offset = readcount + dmc->dmc_info[id].dmc_offset * 4; + if (fw->size - offset < 0) { + drm_err(&dev_priv->drm, "Reading beyond the fw_size\n"); + continue; + } + + dmc_header = (struct intel_dmc_header_base *)&fw->data[offset]; + parse_dmc_fw_header(dmc, dmc_header, fw->size - offset, id); + } } static void intel_dmc_runtime_pm_get(struct drm_i915_private *dev_priv) diff --git a/drivers/gpu/drm/i915/display/intel_dmc.h b/drivers/gpu/drm/i915/display/intel_dmc.h index b872f3a4fd03..007a284b0ef0 100644 --- a/drivers/gpu/drm/i915/display/intel_dmc.h +++ b/drivers/gpu/drm/i915/display/intel_dmc.h @@ -18,6 +18,7 @@ struct drm_i915_private; enum { DMC_FW_MAIN = 0, + DMC_FW_PIPEA, DMC_FW_MAX }; @@ -31,8 +32,11 @@ struct intel_dmc { u32 mmio_count; i915_reg_t mmioaddr[20]; u32 mmiodata[20]; + u32 dmc_offset; + u32 start_mmioaddr; u32 dmc_fw_size; /*dwords */ u32 *payload; + bool present; } dmc_info[DMC_FW_MAX]; u32 dc_state; diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 955027799d1d..c857fafb8a30 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -7751,7 +7751,7 @@ enum { #define GAMMA_MODE_MODE_12BIT_MULTI_SEGMENTED (3 << 0) /* icl + */ /* DMC */ -#define DMC_PROGRAM(i) _MMIO(0x80000 + (i) * 4) +#define DMC_PROGRAM(addr, i) _MMIO((addr) + (i) * 4) #define DMC_SSP_BASE_ADDR_GEN9 0x00002FC0 #define DMC_HTP_ADDR_SKL 0x00500034 #define DMC_SSP_BASE _MMIO(0x8F074) From patchwork Thu Jun 17 21:12:24 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Srivatsa, Anusha" X-Patchwork-Id: 12329539 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 97DCFC2B9F4 for ; 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a="227972396" X-IronPort-AV: E=Sophos;i="5.83,281,1616482800"; d="scan'208";a="227972396" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Jun 2021 14:12:27 -0700 IronPort-SDR: QNRb3APth1ok4hHy5ia+7yUJePlSiGZJ4ujFOPMOcTbCFeemoLgW6J3/ZbC2j1pHXfR5NQrZ0n 38oikYx5sfVA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.83,281,1616482800"; d="scan'208";a="622168082" Received: from anushasr-mobl6.jf.intel.com ([10.165.21.155]) by orsmga005.jf.intel.com with ESMTP; 17 Jun 2021 14:12:25 -0700 From: Anusha Srivatsa To: intel-gfx@lists.freedesktop.org Date: Thu, 17 Jun 2021 14:12:24 -0700 Message-Id: <20210617211225.13549-5-anusha.srivatsa@intel.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210617211225.13549-1-anusha.srivatsa@intel.com> References: <20210617211225.13549-1-anusha.srivatsa@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 4/5] drm/i915/adl_p: Pipe B DMC Support 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" ADLP requires us to load both Pipe A and Pipe B. Plug Pipe B loading support. Cc: Lucas De Marchi Signed-off-by: Anusha Srivatsa Reviewed-by: Lucas De Marchi --- drivers/gpu/drm/i915/display/intel_display_debugfs.c | 2 ++ drivers/gpu/drm/i915/display/intel_dmc.h | 1 + 2 files changed, 3 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_display_debugfs.c b/drivers/gpu/drm/i915/display/intel_display_debugfs.c index 2a1c39a0e56e..db38891a9ef0 100644 --- a/drivers/gpu/drm/i915/display/intel_display_debugfs.c +++ b/drivers/gpu/drm/i915/display/intel_display_debugfs.c @@ -546,6 +546,8 @@ static int i915_dmc_info(struct seq_file *m, void *unused) seq_printf(m, "path: %s\n", dmc->fw_path); seq_printf(m, "Pipe A fw support: %s\n", yesno(INTEL_GEN(dev_priv) >= 12)); seq_printf(m, "Pipe A fw loaded: %s\n", yesno(dmc->dmc_info[DMC_FW_PIPEA].payload)); + seq_printf(m, "Pipe B fw support: %s\n", yesno(IS_ALDERLAKE_P(dev_priv))); + seq_printf(m, "Pipe B fw loaded: %s\n", yesno(dmc->dmc_info[DMC_FW_PIPEB].payload)); if (!intel_dmc_has_payload(dev_priv)) goto out; diff --git a/drivers/gpu/drm/i915/display/intel_dmc.h b/drivers/gpu/drm/i915/display/intel_dmc.h index 007a284b0ef0..c3c00ff03869 100644 --- a/drivers/gpu/drm/i915/display/intel_dmc.h +++ b/drivers/gpu/drm/i915/display/intel_dmc.h @@ -19,6 +19,7 @@ struct drm_i915_private; enum { DMC_FW_MAIN = 0, DMC_FW_PIPEA, + DMC_FW_PIPEB, DMC_FW_MAX }; From patchwork Thu Jun 17 21:12:25 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Srivatsa, Anusha" X-Patchwork-Id: 12329541 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BFF64C49EA2 for ; Thu, 17 Jun 2021 21:12:35 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 719D1613C1 for ; Thu, 17 Jun 2021 21:12:35 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 719D1613C1 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 03E566E930; Thu, 17 Jun 2021 21:12:35 +0000 (UTC) Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by gabe.freedesktop.org (Postfix) with ESMTPS id B689A6E956 for ; Thu, 17 Jun 2021 21:12:27 +0000 (UTC) IronPort-SDR: 7jZSM4vmyA+Wb5McHSSZqk5bIET11ePnfkLIQRgV4iah8rdZSVNESFBB2kgjsQkPhSLanyB/FW PlM3bNtWtFWw== X-IronPort-AV: E=McAfee;i="6200,9189,10018"; a="292081542" X-IronPort-AV: E=Sophos;i="5.83,281,1616482800"; d="scan'208";a="292081542" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Jun 2021 14:12:27 -0700 IronPort-SDR: Lygv7VHVUeYNZLhJgSfozXAbL+Ql4YhKwdySAgeyQKNcBZPgQVJOVfKvvrCJjHo+6YRS3KBZqz 5Wv4R0kAZMpQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.83,281,1616482800"; d="scan'208";a="622168083" Received: from anushasr-mobl6.jf.intel.com ([10.165.21.155]) by orsmga005.jf.intel.com with ESMTP; 17 Jun 2021 14:12:25 -0700 From: Anusha Srivatsa To: intel-gfx@lists.freedesktop.org Date: Thu, 17 Jun 2021 14:12:25 -0700 Message-Id: <20210617211225.13549-6-anusha.srivatsa@intel.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210617211225.13549-1-anusha.srivatsa@intel.com> References: <20210617211225.13549-1-anusha.srivatsa@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 5/5] drm/i915/adl_p: Load DMC 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" Load DMC v2.10 on ADLP. The release notes mention that this version enables few power savings features. v2: Add DMC_PATH() for ADLP (Lucas) Cc: Lucas De Marchi Cc: Clint Taylor Signed-off-by: Anusha Srivatsa Reviewed-by: Lucas De Marchi --- drivers/gpu/drm/i915/display/intel_dmc.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/display/intel_dmc.c b/drivers/gpu/drm/i915/display/intel_dmc.c index 18e0d225a478..f8789d4543bf 100644 --- a/drivers/gpu/drm/i915/display/intel_dmc.c +++ b/drivers/gpu/drm/i915/display/intel_dmc.c @@ -45,6 +45,10 @@ #define GEN12_DMC_MAX_FW_SIZE ICL_DMC_MAX_FW_SIZE +#define ADLP_DMC_PATH DMC_PATH(adlp, 2, 10) +#define ADLP_DMC_VERSION_REQUIRED DMC_VERSION(2, 10) +MODULE_FIRMWARE(ADLP_DMC_PATH); + #define ADLS_DMC_PATH DMC_PATH(adls, 2, 01) #define ADLS_DMC_VERSION_REQUIRED DMC_VERSION(2, 1) MODULE_FIRMWARE(ADLS_DMC_PATH); @@ -724,7 +728,11 @@ void intel_dmc_ucode_init(struct drm_i915_private *dev_priv) */ intel_dmc_runtime_pm_get(dev_priv); - if (IS_ALDERLAKE_S(dev_priv)) { + if (IS_ALDERLAKE_P(dev_priv)) { + dmc->fw_path = ADLP_DMC_PATH; + dmc->required_version = ADLP_DMC_VERSION_REQUIRED; + dmc->max_fw_size = GEN12_DMC_MAX_FW_SIZE; + } else if (IS_ALDERLAKE_S(dev_priv)) { dmc->fw_path = ADLS_DMC_PATH; dmc->required_version = ADLS_DMC_VERSION_REQUIRED; dmc->max_fw_size = GEN12_DMC_MAX_FW_SIZE;