From patchwork Mon Sep 6 21:38:58 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Uma Shankar X-Patchwork-Id: 12477413 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=-14.0 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNWANTED_LANGUAGE_BODY, USER_AGENT_GIT autolearn=unavailable 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 89508C433F5 for ; Mon, 6 Sep 2021 21:02:06 +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 5979B60F43 for ; Mon, 6 Sep 2021 21:02:06 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 5979B60F43 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id EE5A489D49; Mon, 6 Sep 2021 21:01:41 +0000 (UTC) Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by gabe.freedesktop.org (Postfix) with ESMTPS id 264F189C99; Mon, 6 Sep 2021 21:01:40 +0000 (UTC) X-IronPort-AV: E=McAfee;i="6200,9189,10099"; a="283747528" X-IronPort-AV: E=Sophos;i="5.85,273,1624345200"; d="scan'208";a="283747528" Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Sep 2021 14:01:39 -0700 X-IronPort-AV: E=Sophos;i="5.85,273,1624345200"; d="scan'208";a="537362307" Received: from linux-desktop.iind.intel.com ([10.223.34.178]) by fmsmga003-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Sep 2021 14:01:37 -0700 From: Uma Shankar To: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Cc: harry.wentland@amd.com, ville.syrjala@linux.intel.com, ppaalanen@gmail.com, brian.starkey@arm.com, sebastian@sebastianwick.net, Shashank.Sharma@amd.com, Uma Shankar Subject: [RFC v2 16/22] drm/i915/xelpd: Enable Plane CSC Date: Tue, 7 Sep 2021 03:08:58 +0530 Message-Id: <20210906213904.27918-17-uma.shankar@intel.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20210906213904.27918-1-uma.shankar@intel.com> References: <20210906213904.27918-1-uma.shankar@intel.com> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Implement plane CSC for ICL+ Signed-off-by: Uma Shankar --- .../gpu/drm/i915/display/intel_atomic_plane.c | 5 +- drivers/gpu/drm/i915/display/intel_color.c | 82 +++++++++++++++++++ .../drm/i915/display/skl_universal_plane.c | 4 + drivers/gpu/drm/i915/i915_reg.h | 1 + 4 files changed, 91 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/display/intel_atomic_plane.c b/drivers/gpu/drm/i915/display/intel_atomic_plane.c index 8796fc86b2e5..1637f7890f42 100644 --- a/drivers/gpu/drm/i915/display/intel_atomic_plane.c +++ b/drivers/gpu/drm/i915/display/intel_atomic_plane.c @@ -499,6 +499,7 @@ void skl_update_planes_on_crtc(struct intel_atomic_state *state, intel_atomic_get_new_crtc_state(state, crtc); struct skl_ddb_entry entries_y[I915_MAX_PLANES]; struct skl_ddb_entry entries_uv[I915_MAX_PLANES]; + struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); u32 update_mask = new_crtc_state->update_planes; struct intel_plane *plane; @@ -513,8 +514,10 @@ void skl_update_planes_on_crtc(struct intel_atomic_state *state, struct intel_plane_state *new_plane_state = intel_atomic_get_new_plane_state(state, plane); - if (new_plane_state->uapi.color_mgmt_changed) + if (new_plane_state->uapi.color_mgmt_changed) { intel_color_load_plane_luts(&new_plane_state->uapi); + dev_priv->display.load_plane_csc_matrix(&new_plane_state->uapi); + } if (new_plane_state->uapi.visible || new_plane_state->planar_slave) { diff --git a/drivers/gpu/drm/i915/display/intel_color.c b/drivers/gpu/drm/i915/display/intel_color.c index f5a9af858d1b..e9c80ed41466 100644 --- a/drivers/gpu/drm/i915/display/intel_color.c +++ b/drivers/gpu/drm/i915/display/intel_color.c @@ -2118,6 +2118,83 @@ static void icl_read_luts(struct intel_crtc_state *crtc_state) } } +static void icl_load_plane_csc_matrix(const struct drm_plane_state *state) +{ + struct drm_i915_private *dev_priv = to_i915(state->plane->dev); + enum pipe pipe = to_intel_plane(state->plane)->pipe; + enum plane_id plane = to_intel_plane(state->plane)->id; + struct drm_color_ctm *ctm; + const u64 *input; + u16 coeffs[9] = {}; + u16 postoff = 0; + int i; + + if (!icl_is_hdr_plane(dev_priv, plane) || !state->ctm) + return; + + ctm = state->ctm->data; + input = ctm->matrix; + + /* + * Convert fixed point S31.32 input to format supported by the + * hardware. + */ + for (i = 0; i < ARRAY_SIZE(coeffs); i++) { + u64 abs_coeff = ((1ULL << 63) - 1) & input[i]; + + /* + * Clamp input value to min/max supported by + * hardware. + */ + abs_coeff = clamp_val(abs_coeff, 0, CTM_COEFF_4_0 - 1); + + /* sign bit */ + if (CTM_COEFF_NEGATIVE(input[i])) + coeffs[i] |= 1 << 15; + + if (abs_coeff < CTM_COEFF_0_125) + coeffs[i] |= (3 << 12) | + ILK_CSC_COEFF_FP(abs_coeff, 12); + else if (abs_coeff < CTM_COEFF_0_25) + coeffs[i] |= (2 << 12) | + ILK_CSC_COEFF_FP(abs_coeff, 11); + else if (abs_coeff < CTM_COEFF_0_5) + coeffs[i] |= (1 << 12) | + ILK_CSC_COEFF_FP(abs_coeff, 10); + else if (abs_coeff < CTM_COEFF_1_0) + coeffs[i] |= ILK_CSC_COEFF_FP(abs_coeff, 9); + else if (abs_coeff < CTM_COEFF_2_0) + coeffs[i] |= (7 << 12) | + ILK_CSC_COEFF_FP(abs_coeff, 8); + else + coeffs[i] |= (6 << 12) | + ILK_CSC_COEFF_FP(abs_coeff, 7); + } + + intel_de_write(dev_priv, PLANE_CSC_COEFF(pipe, plane, 0), + coeffs[0] << 16 | coeffs[1]); + intel_de_write(dev_priv, PLANE_CSC_COEFF(pipe, plane, 1), + coeffs[2] << 16); + + intel_de_write(dev_priv, PLANE_CSC_COEFF(pipe, plane, 2), + coeffs[3] << 16 | coeffs[4]); + intel_de_write(dev_priv, PLANE_CSC_COEFF(pipe, plane, 3), + coeffs[5] << 16); + + intel_de_write(dev_priv, PLANE_CSC_COEFF(pipe, plane, 4), + coeffs[6] << 16 | coeffs[7]); + intel_de_write(dev_priv, PLANE_CSC_COEFF(pipe, plane, 5), + coeffs[8] << 16); + + intel_de_write(dev_priv, PLANE_CSC_PREOFF(pipe, plane, 0), 0); + intel_de_write(dev_priv, PLANE_CSC_PREOFF(pipe, plane, 1), 0); + intel_de_write(dev_priv, PLANE_CSC_PREOFF(pipe, plane, 2), 0); + + intel_de_write(dev_priv, PLANE_CSC_POSTOFF(pipe, plane, 0), postoff); + intel_de_write(dev_priv, PLANE_CSC_POSTOFF(pipe, plane, 1), postoff); + intel_de_write(dev_priv, PLANE_CSC_POSTOFF(pipe, plane, 2), postoff); +} + /* FIXME input bpc? */ static const struct drm_color_lut_range d13_degamma_hdr[] = { /* segment 1 */ @@ -2342,7 +2419,12 @@ int intel_plane_color_init(struct drm_plane *plane) LUT_TYPE_DEGAMMA); dev_priv->display.load_plane_luts = d13_plane_load_luts; + dev_priv->display.load_plane_csc_matrix = icl_load_plane_csc_matrix; + drm_plane_attach_degamma_properties(plane); + + if (icl_is_hdr_plane(dev_priv, to_intel_plane(plane)->id)) + drm_plane_attach_ctm_property(plane); } return ret; diff --git a/drivers/gpu/drm/i915/display/skl_universal_plane.c b/drivers/gpu/drm/i915/display/skl_universal_plane.c index c4e01ae4343c..61eff22a3503 100644 --- a/drivers/gpu/drm/i915/display/skl_universal_plane.c +++ b/drivers/gpu/drm/i915/display/skl_universal_plane.c @@ -965,6 +965,10 @@ static u32 glk_plane_color_ctl(const struct intel_crtc_state *crtc_state, if (plane_state->uapi.degamma_lut) plane_color_ctl |= PLANE_PRE_CSC_GAMMA_ENABLE; + /* FIXME needs hw.ctm */ + if (plane_state->uapi.ctm) + plane_color_ctl |= PLANE_COLOR_PLANE_CSC_ENABLE; + plane_color_ctl |= glk_plane_color_ctl_alpha(plane_state); if (fb->format->is_yuv && !icl_is_hdr_plane(dev_priv, plane->id)) { diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 20c1b8ddded8..ceee500e64d7 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -7230,6 +7230,7 @@ enum { #define _PLANE_COLOR_CTL_3_A 0x703CC /* GLK+ */ #define PLANE_COLOR_PIPE_GAMMA_ENABLE (1 << 30) /* Pre-ICL */ #define PLANE_COLOR_YUV_RANGE_CORRECTION_DISABLE (1 << 28) +#define PLANE_COLOR_PLANE_CSC_ENABLE (1 << 21) /* ICL+ */ #define PLANE_COLOR_INPUT_CSC_ENABLE (1 << 20) /* ICL+ */ #define PLANE_COLOR_PIPE_CSC_ENABLE (1 << 23) /* Pre-ICL */ #define PLANE_PRE_CSC_GAMMA_ENABLE (1 << 14)