From patchwork Thu Mar 11 22:35:47 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Matt Roper X-Patchwork-Id: 12133029 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 A236CC43381 for ; Thu, 11 Mar 2021 22:36:52 +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 507DC64F88 for ; Thu, 11 Mar 2021 22:36:52 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 507DC64F88 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 4CBD06EE97; Thu, 11 Mar 2021 22:36:48 +0000 (UTC) Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by gabe.freedesktop.org (Postfix) with ESMTPS id 3B61D6EE87 for ; Thu, 11 Mar 2021 22:36:46 +0000 (UTC) IronPort-SDR: 2o/tXcOnkZ3TY1cwvaod2m0MCmGi+aB9GkCZhFczjpNLO/vfah2qiPNlHN7nO4oZikKrRLVaBY HoV8rktngBjQ== X-IronPort-AV: E=McAfee;i="6000,8403,9920"; a="185395074" X-IronPort-AV: E=Sophos;i="5.81,241,1610438400"; d="scan'208";a="185395074" Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Mar 2021 14:36:44 -0800 IronPort-SDR: dmNauD9QXBAECqrjVvHLQeE4NrtbCJstAtM0/+XUNGLtWsHy6OkibRFkbbO1FdrnpCFyjnWiyk pAmyBD2+EmfQ== X-IronPort-AV: E=Sophos;i="5.81,241,1610438400"; d="scan'208";a="438852677" Received: from mdroper-desk1.fm.intel.com ([10.1.27.168]) by fmsmga003-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Mar 2021 14:36:44 -0800 From: Matt Roper To: intel-gfx@lists.freedesktop.org Date: Thu, 11 Mar 2021 14:35:47 -0800 Message-Id: <20210311223632.3191939-12-matthew.d.roper@intel.com> X-Mailer: git-send-email 2.25.4 In-Reply-To: <20210311223632.3191939-1-matthew.d.roper@intel.com> References: <20210311223632.3191939-1-matthew.d.roper@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 11/56] drm/i915/xelpd: Support 128k plane stride 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: , Cc: Lucas De Marchi , =?utf-8?q?Juha-Pekka_Heikkil?= =?utf-8?q?=C3=A4?= Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" From: Juha-Pekka Heikkilä XE_LPD supports plane strides up to 128KB. v2: - Drop a duplicated comment - Add missing horizontal pixels for cpp!=8 case (Lucas) - Take into account larger possible offsets for warnings Cc: Vandita Kulkarni Signed-off-by: Juha-Pekka Heikkilä Signed-off-by: Matt Roper Reviewed-by: Lucas De Marchi --- .../drm/i915/display/skl_universal_plane.c | 46 +++++++++++++++---- drivers/gpu/drm/i915/i915_reg.h | 2 + 2 files changed, 39 insertions(+), 9 deletions(-) diff --git a/drivers/gpu/drm/i915/display/skl_universal_plane.c b/drivers/gpu/drm/i915/display/skl_universal_plane.c index 2280694f19c7..cc36917b459c 100644 --- a/drivers/gpu/drm/i915/display/skl_universal_plane.c +++ b/drivers/gpu/drm/i915/display/skl_universal_plane.c @@ -456,17 +456,35 @@ skl_plane_max_stride(struct intel_plane *plane, u32 pixel_format, u64 modifier, unsigned int rotation) { + struct drm_i915_private *i915 = to_i915(plane->base.dev); const struct drm_format_info *info = drm_format_info(pixel_format); int cpp = info->cpp[0]; + int max_horizontal_pixels = 8192; + int max_stride_bytes; + + if (DISPLAY_VER(i915) >= 13) { + /* + * The stride in bytes must not exceed of the size + * of 128K bytes. For pixel formats of 64bpp will allow + * for a 16K pixel surface. + */ + max_stride_bytes = 131072; + if (cpp == 8) + max_horizontal_pixels = 16384; + else + max_horizontal_pixels = 65536; + } else { + /* + * "The stride in bytes must not exceed the + * of the size of 8K pixels and 32K bytes." + */ + max_stride_bytes = 32768; + } - /* - * "The stride in bytes must not exceed the - * of the size of 8K pixels and 32K bytes." - */ if (drm_rotation_90_or_270(rotation)) - return min(8192, 32768 / cpp); + return min(max_horizontal_pixels, max_stride_bytes / cpp); else - return min(8192 * cpp, 32768); + return min(max_horizontal_pixels * cpp, max_stride_bytes); } @@ -1450,7 +1468,10 @@ static int skl_check_main_surface(struct intel_plane_state *plane_state) } } - drm_WARN_ON(&dev_priv->drm, x > 8191 || y > 8191); + if (DISPLAY_VER(dev_priv) >= 13) + drm_WARN_ON(&dev_priv->drm, x > 65535 || y > 65535); + else + drm_WARN_ON(&dev_priv->drm, x > 8191 || y > 8191); plane_state->color_plane[0].offset = offset; plane_state->color_plane[0].x = x; @@ -1524,7 +1545,10 @@ static int skl_check_nv12_aux_surface(struct intel_plane_state *plane_state) } } - drm_WARN_ON(&i915->drm, x > 8191 || y > 8191); + if (DISPLAY_VER(i915) >= 13) + drm_WARN_ON(&i915->drm, x > 65535 || y > 65535); + else + drm_WARN_ON(&i915->drm, x > 8191 || y > 8191); plane_state->color_plane[uv_plane].offset = offset; plane_state->color_plane[uv_plane].x = x; @@ -2248,7 +2272,11 @@ skl_get_initial_plane_config(struct intel_crtc *crtc, val = intel_de_read(dev_priv, PLANE_STRIDE(pipe, plane_id)); stride_mult = skl_plane_stride_mult(fb, 0, DRM_MODE_ROTATE_0); - fb->pitches[0] = (val & 0x3ff) * stride_mult; + + if (DISPLAY_VER(dev_priv) >= 13) + fb->pitches[0] = (val & PLANE_STRIDE_MASK_XELPD) * stride_mult; + else + fb->pitches[0] = (val & PLANE_STRIDE_MASK) * stride_mult; aligned_height = intel_fb_align_height(fb, 0, fb->height); diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 9bbe94cddd93..59291d6a702e 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -7202,6 +7202,8 @@ enum { _PIPE(pipe, _PLANE_STRIDE_3_A, _PLANE_STRIDE_3_B) #define PLANE_STRIDE(pipe, plane) \ _MMIO_PLANE(plane, _PLANE_STRIDE_1(pipe), _PLANE_STRIDE_2(pipe)) +#define PLANE_STRIDE_MASK REG_GENMASK(10, 0) +#define PLANE_STRIDE_MASK_XELPD REG_GENMASK(11, 0) #define _PLANE_POS_1_B 0x7118c #define _PLANE_POS_2_B 0x7128c