From patchwork Wed Nov 20 05:46:09 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nemesa Garg X-Patchwork-Id: 13880706 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id CF8A2D6E2BA for ; Wed, 20 Nov 2024 05:45:02 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 3B6A810E38B; Wed, 20 Nov 2024 05:45:02 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="KorJfIw4"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.20]) by gabe.freedesktop.org (Postfix) with ESMTPS id D2C6C10E38B for ; Wed, 20 Nov 2024 05:45:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1732081501; x=1763617501; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=y6lTPMgFKDbRgJlTyzRxk8YVuD4azQj+m+2+XwiQJ24=; b=KorJfIw4NnSvg5LBvI5MdOHdqrk6tuT5lth5LMX+DEavsk+uJRhux0Ot bTDFSaV2lFMmXK8OLfRf/JGwPF2+ydCInAXk0ItQuGwcVM/kq/DMVB/7L FpxQQRw0uCyF8PHHpjCLKpeHWo6xMq/FYaIWE4lxnMNJX+OwfukVEgp0W nyMW7kgpOkRmjuivAN1unvHQumHFT7WLK4T1vMEwZrzK7lwUFXIhJH7aX GBKJF2lWT9QWpss/4+vOg1zpeVxdZ8mmiXRZN4cRqn7gTtD0buWLTb4QK 3XUz/6CihhkafFerdPlCWDoVVesBaOMj8qdc2hQoOZZU+XXEI601AKTV5 w==; X-CSE-ConnectionGUID: ODYtBSbYTjOzhOFQSZ51zg== X-CSE-MsgGUID: O3RgkKGeTvuza7D+dRxrww== X-IronPort-AV: E=McAfee;i="6700,10204,11261"; a="31867788" X-IronPort-AV: E=Sophos;i="6.12,168,1728975600"; d="scan'208";a="31867788" Received: from fmviesa007.fm.intel.com ([10.60.135.147]) by orvoesa112.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Nov 2024 21:45:01 -0800 X-CSE-ConnectionGUID: 7DoangayR4iDjnHHmxJBZg== X-CSE-MsgGUID: 6hA2kk5aTBGkzJA2VCYTEw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.12,168,1728975600"; d="scan'208";a="89606863" Received: from nemesa.iind.intel.com ([10.190.239.22]) by fmviesa007.fm.intel.com with ESMTP; 19 Nov 2024 21:45:00 -0800 From: Nemesa Garg To: dri-devel@lists.freedesktop.org Cc: Nemesa Garg Subject: [PATCH 1/5] drm: Introduce sharpness strength property Date: Wed, 20 Nov 2024 11:16:09 +0530 Message-Id: <20241120054613.3797587-2-nemesa.garg@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20241120054613.3797587-1-nemesa.garg@intel.com> References: <20241120054613.3797587-1-nemesa.garg@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" Introduces the new crtc property "SHARPNESS_STRENGTH" that allows the user to set the intensity so as to get the sharpness effect. The value of this property can be set from 0-255. It is useful in scenario when the output is blurry and user want to sharpen the pixels. User can increase/decrease the sharpness level depending on the content displayed. v2: Rename crtc property variable [Arun] Add modeset detail in uapi doc[Uma] v3: Fix build issue Signed-off-by: Nemesa Garg --- drivers/gpu/drm/drm_atomic_uapi.c | 4 ++++ drivers/gpu/drm/drm_crtc.c | 35 +++++++++++++++++++++++++++++++ include/drm/drm_crtc.h | 17 +++++++++++++++ 3 files changed, 56 insertions(+) diff --git a/drivers/gpu/drm/drm_atomic_uapi.c b/drivers/gpu/drm/drm_atomic_uapi.c index 370dc676e3aa..b482bc2b5d0a 100644 --- a/drivers/gpu/drm/drm_atomic_uapi.c +++ b/drivers/gpu/drm/drm_atomic_uapi.c @@ -417,6 +417,8 @@ static int drm_atomic_crtc_set_property(struct drm_crtc *crtc, set_out_fence_for_crtc(state->state, crtc, fence_ptr); } else if (property == crtc->scaling_filter_property) { state->scaling_filter = val; + } else if (property == crtc->sharpness_strength_property) { + state->sharpness_strength = val; } else if (crtc->funcs->atomic_set_property) { return crtc->funcs->atomic_set_property(crtc, state, property, val); } else { @@ -454,6 +456,8 @@ drm_atomic_crtc_get_property(struct drm_crtc *crtc, *val = 0; else if (property == crtc->scaling_filter_property) *val = state->scaling_filter; + else if (property == crtc->sharpness_strength_property) + *val = state->sharpness_strength; else if (crtc->funcs->atomic_get_property) return crtc->funcs->atomic_get_property(crtc, state, property, val); else { diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index 3488ff067c69..c4a267fa3402 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -229,6 +229,25 @@ struct dma_fence *drm_crtc_create_fence(struct drm_crtc *crtc) * Driver's default scaling filter * Nearest Neighbor: * Nearest Neighbor scaling filter + * SHARPNESS_STRENGTH: + * Atomic property for setting the sharpness strength/intensity by userspace. + * + * The value of this property is set as an integer value ranging + * from 0 - 255 where: + * + * 0 means feature is disabled. + * + * 1 means minimum sharpness. + * + * 255 means maximum sharpness. + * + * User can gradually increase or decrease the sharpness level and can + * set the optimum value depending on content and this value will be + * passed to kernel through the Uapi. + * The setting of this property does not require modeset. + * The sharpness effect takes place post blending on the final composed output. + * If the feature is disabled, the content remains same without any sharpening effect + * and when this feature is applied, it enhances the clarity of the content. */ __printf(6, 0) @@ -939,3 +958,19 @@ int drm_crtc_create_scaling_filter_property(struct drm_crtc *crtc, return 0; } EXPORT_SYMBOL(drm_crtc_create_scaling_filter_property); + +int drm_crtc_create_sharpness_strength_property(struct drm_crtc *crtc) +{ + struct drm_device *dev = crtc->dev; + struct drm_property *prop = + drm_property_create_range(dev, 0, "SHARPNESS_STRENGTH", 0, 255); + + if (!prop) + return -ENOMEM; + + crtc->sharpness_strength_property = prop; + drm_object_attach_property(&crtc->base, prop, 0); + + return 0; +} +EXPORT_SYMBOL(drm_crtc_create_sharpness_strength_property); diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h index 8b48a1974da3..37a879350b4e 100644 --- a/include/drm/drm_crtc.h +++ b/include/drm/drm_crtc.h @@ -317,6 +317,16 @@ struct drm_crtc_state { */ enum drm_scaling_filter scaling_filter; + /** + * @sharpness_strength + * + * Used by the user to set the sharpness intensity. + * The value ranges from 0-255. + * Any value greater than 0 means enabling the featuring + * along with setting the value for sharpness. + */ + u8 sharpness_strength; + /** * @event: * @@ -1088,6 +1098,12 @@ struct drm_crtc { */ struct drm_property *scaling_filter_property; + /** + * @sharpness_strength_prop: property to apply + * the intensity of the sharpness requested. + */ + struct drm_property *sharpness_strength_property; + /** * @state: * @@ -1324,4 +1340,5 @@ static inline struct drm_crtc *drm_crtc_find(struct drm_device *dev, int drm_crtc_create_scaling_filter_property(struct drm_crtc *crtc, unsigned int supported_filters); +int drm_crtc_create_sharpness_strength_property(struct drm_crtc *crtc); #endif /* __DRM_CRTC_H__ */ From patchwork Wed Nov 20 05:46:10 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Nemesa Garg X-Patchwork-Id: 13880707 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 47325D6E2B9 for ; Wed, 20 Nov 2024 05:45:05 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id BED3510E38C; Wed, 20 Nov 2024 05:45:04 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="ZC4c82HP"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.20]) by gabe.freedesktop.org (Postfix) with ESMTPS id 4EE2510E38C for ; Wed, 20 Nov 2024 05:45:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1732081503; x=1763617503; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=JCwUWzeQ7ZmCOLVrVzlx2U/a4HZTGVGpRrD1mb2IAQ4=; b=ZC4c82HPPRwoEvQus6jwQQDF3JLIDcZq6oQrptaPVIucEYIe3b/CHlkL DQfEJZWhNlHihr1N2L5tluYVXsz0Hjc0scUbsxzwO0kFaEFm6g3YtTXpf j7YGDYdVzPNes8Y5xQEWrCvIC6Hazitk2VekGQb862injTvWrdjxmjSnv /k3F/VVH59LHLZkSRihh7RLYdHXOk5NhG5kWnH9cuExvUpuMjGSsCN25h hCl2ByeOW+GsjwZWbMxoKrBHf+43hy+zk/+DahEPN41darQ1UyoZn9G7w Fejm6bQYCPJrvu2gIffCFy/sLYMu9ZCnMjvY6gfZhFg/y6BUgg/hfFpXq A==; X-CSE-ConnectionGUID: oudJibLpSimCRCGaKn0GMQ== X-CSE-MsgGUID: p0iFS9d2RC2VB+B57ddGTA== X-IronPort-AV: E=McAfee;i="6700,10204,11261"; a="31867790" X-IronPort-AV: E=Sophos;i="6.12,168,1728975600"; d="scan'208";a="31867790" Received: from fmviesa007.fm.intel.com ([10.60.135.147]) by orvoesa112.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Nov 2024 21:45:03 -0800 X-CSE-ConnectionGUID: 1xXmtMtTQAq2CqUbBWLoXQ== X-CSE-MsgGUID: lgvnNSvdRg6kZjguDyrq4Q== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.12,168,1728975600"; d="scan'208";a="89606900" Received: from nemesa.iind.intel.com ([10.190.239.22]) by fmviesa007.fm.intel.com with ESMTP; 19 Nov 2024 21:45:02 -0800 From: Nemesa Garg To: dri-devel@lists.freedesktop.org Cc: Nemesa Garg , Naga Venkata Srikanth V Subject: [PATCH 2/5] drm/i915/display: Compute the scaler filter coefficients Date: Wed, 20 Nov 2024 11:16:10 +0530 Message-Id: <20241120054613.3797587-3-nemesa.garg@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20241120054613.3797587-1-nemesa.garg@intel.com> References: <20241120054613.3797587-1-nemesa.garg@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" The sharpness property requires the use of one of the scaler so need to set the sharpness scaler coefficient values. These values are based on experiments and vary for different tap value/win size. These values are normalized by taking the sum of all values and then dividing each value with a sum. v2: Fix ifndef header naming issue reported by kernel test robot v3: Rename file name[Arun] Replace array size number with macro[Arun] v4: Correct the register format[Jani] Add brief comment and expalin about file[Jani] Remove coefficient value from crtc_state[Jani] v5: Fix build issue Signed-off-by: Nemesa Garg Reviewed-by: Naga Venkata Srikanth V --- drivers/gpu/drm/i915/Makefile | 1 + drivers/gpu/drm/i915/display/intel_casf.c | 128 ++++++++++++++++++ drivers/gpu/drm/i915/display/intel_casf.h | 16 +++ .../gpu/drm/i915/display/intel_casf_regs.h | 19 +++ drivers/gpu/drm/i915/display/intel_display.c | 3 + .../drm/i915/display/intel_display_types.h | 14 ++ drivers/gpu/drm/i915/i915_reg.h | 2 + drivers/gpu/drm/xe/Makefile | 1 + 8 files changed, 184 insertions(+) create mode 100644 drivers/gpu/drm/i915/display/intel_casf.c create mode 100644 drivers/gpu/drm/i915/display/intel_casf.h create mode 100644 drivers/gpu/drm/i915/display/intel_casf_regs.h diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile index 31710d98cad5..b3ca13df8c58 100644 --- a/drivers/gpu/drm/i915/Makefile +++ b/drivers/gpu/drm/i915/Makefile @@ -283,6 +283,7 @@ i915-y += \ display/intel_pmdemand.o \ display/intel_psr.o \ display/intel_quirks.o \ + display/intel_casf.o \ display/intel_sprite.o \ display/intel_sprite_uapi.o \ display/intel_tc.o \ diff --git a/drivers/gpu/drm/i915/display/intel_casf.c b/drivers/gpu/drm/i915/display/intel_casf.c new file mode 100644 index 000000000000..d186dea75cbf --- /dev/null +++ b/drivers/gpu/drm/i915/display/intel_casf.c @@ -0,0 +1,128 @@ +// SPDX-License-Identifier: MIT +/* + * Copyright © 2024 Intel Corporation + * + */ +#include "i915_reg.h" +#include "intel_de.h" +#include "intel_display_types.h" +#include "intel_casf.h" +#include "intel_casf_regs.h" +#include "skl_scaler.h" + +#define FILTER_COEFF_0_125 125 +#define FILTER_COEFF_0_25 250 +#define FILTER_COEFF_0_5 500 +#define FILTER_COEFF_1_0 1000 +#define FILTER_COEFF_0_0 0 +#define SET_POSITIVE_SIGN(x) ((x) & (~SIGN)) + +/** + * DOC: Content Adaptive Sharpness Filter (CASF) + * + * From LNL onwards the display engine based adaptive + * sharpening filter is supported. This helps in + * improving the image quality. The display hardware + * uses one of the pipe scaler for implementing casf. + * It works on a region of pixels depending on the + * tap size. The coefficients are used to generate an + * alpha value which is used to blend the sharpened image + * to original image. + */ + +const u16 filtercoeff_1[] = {FILTER_COEFF_0_0, FILTER_COEFF_0_0, +FILTER_COEFF_0_5, FILTER_COEFF_1_0, FILTER_COEFF_0_5, FILTER_COEFF_0_0, FILTER_COEFF_0_0}; + +const u16 filtercoeff_2[] = {FILTER_COEFF_0_0, FILTER_COEFF_0_25, +FILTER_COEFF_0_5, FILTER_COEFF_1_0, FILTER_COEFF_0_5, FILTER_COEFF_0_25, FILTER_COEFF_0_0}; + +const u16 filtercoeff_3[] = {FILTER_COEFF_0_125, FILTER_COEFF_0_25, +FILTER_COEFF_0_5, FILTER_COEFF_1_0, FILTER_COEFF_0_5, FILTER_COEFF_0_25, FILTER_COEFF_0_125}; + +static int casf_coef_tap(int i) +{ + return i % 7; +} + +static u16 casf_coef(struct intel_crtc_state *crtc_state, int t) +{ + struct scaler_filter_coeff value; + u16 coeff; + + value = crtc_state->hw.casf_params.coeff[t]; + coeff = SET_POSITIVE_SIGN(0) | EXPONENT(value.exp) | MANTISSA(value.mantissa); + + return coeff; +} + +void intel_casf_enable(struct intel_crtc_state *crtc_state) +{ + struct intel_display *display = to_intel_display(crtc_state); + struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); + int id = crtc_state->scaler_state.scaler_id; + int i; + + intel_de_write_fw(display, GLK_PS_COEF_INDEX_SET(crtc->pipe, id, 0), + PS_COEF_INDEX_AUTO_INC); + + intel_de_write_fw(display, GLK_PS_COEF_INDEX_SET(crtc->pipe, id, 1), + PS_COEF_INDEX_AUTO_INC); + + for (i = 0; i < 17 * 7; i += 2) { + u32 tmp; + int t; + + t = casf_coef_tap(i); + tmp = casf_coef(crtc_state, t); + + t = casf_coef_tap(i + 1); + tmp |= casf_coef(crtc_state, t) << 16; + + intel_de_write_fw(display, GLK_PS_COEF_DATA_SET(crtc->pipe, id, 0), + tmp); + intel_de_write_fw(display, GLK_PS_COEF_DATA_SET(crtc->pipe, id, 1), + tmp); + } +} + +static void convert_sharpness_coef_binary(struct scaler_filter_coeff *coeff, + u16 coefficient) +{ + if (coefficient < 25) { + coeff->mantissa = (coefficient * 2048) / 100; + coeff->exp = 3; + } else if (coefficient < 50) { + coeff->mantissa = (coefficient * 1024) / 100; + coeff->exp = 2; + } else if (coefficient < 100) { + coeff->mantissa = (coefficient * 512) / 100; + coeff->exp = 1; + } else { + coeff->mantissa = (coefficient * 256) / 100; + coeff->exp = 0; + } +} + +void intel_casf_scaler_compute_config(struct intel_crtc_state *crtc_state) +{ + const u16 *filtercoeff; + u16 filter_coeff[SCALER_FILTER_NUM_TAPS]; + u16 sumcoeff = 0; + u8 i; + + if (crtc_state->hw.casf_params.win_size == 0) + filtercoeff = filtercoeff_1; + else if (crtc_state->hw.casf_params.win_size == 1) + filtercoeff = filtercoeff_2; + else + filtercoeff = filtercoeff_3; + + for (i = 0; i < SCALER_FILTER_NUM_TAPS; i++) + sumcoeff += *(filtercoeff + i); + + for (i = 0; i < SCALER_FILTER_NUM_TAPS; i++) { + filter_coeff[i] = (*(filtercoeff + i) * 100 / sumcoeff); + convert_sharpness_coef_binary(&crtc_state->hw.casf_params.coeff[i], + filter_coeff[i]); + } +} diff --git a/drivers/gpu/drm/i915/display/intel_casf.h b/drivers/gpu/drm/i915/display/intel_casf.h new file mode 100644 index 000000000000..8e0b67a2fd99 --- /dev/null +++ b/drivers/gpu/drm/i915/display/intel_casf.h @@ -0,0 +1,16 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Copyright © 2024 Intel Corporation + */ + +#ifndef __INTEL_CASF_H__ +#define __INTEL_CASF_H__ + +#include + +struct intel_crtc_state; + +void intel_casf_enable(struct intel_crtc_state *crtc_state); +void intel_casf_scaler_compute_config(struct intel_crtc_state *crtc_state); + +#endif /* __INTEL_CASF_H__ */ diff --git a/drivers/gpu/drm/i915/display/intel_casf_regs.h b/drivers/gpu/drm/i915/display/intel_casf_regs.h new file mode 100644 index 000000000000..0b3fcdb22c0c --- /dev/null +++ b/drivers/gpu/drm/i915/display/intel_casf_regs.h @@ -0,0 +1,19 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Copyright © 2024 Intel Corporation + */ + +#ifndef __INTEL_CASF_REGS_H__ +#define __INTEL_CASF_REGS_H__ + +#include "intel_display_reg_defs.h" + +/* Scaler Coefficient structure */ +#define SIGN REG_BIT(15) +#define EXPONENT_MASK REG_GENMASK(13, 12) +#define EXPONENT(x) REG_FIELD_PREP(EXPONENT_MASK, (x)) +#define MANTISSA_MASK REG_GENMASK(11, 3) +#define MANTISSA(x) REG_FIELD_PREP(MANTISSA_MASK, (x)) + +#endif /* __INTEL_CASF_REGS__ */ + diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index e790a2de5b3d..86d5f916dfe1 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -111,6 +111,7 @@ #include "intel_psr.h" #include "intel_psr_regs.h" #include "intel_sdvo.h" +#include "intel_casf.h" #include "intel_snps_phy.h" #include "intel_tc.h" #include "intel_tdf.h" @@ -6193,6 +6194,8 @@ static int intel_atomic_check_planes(struct intel_atomic_state *state) if (ret) return ret; + intel_casf_scaler_compute_config(new_crtc_state); + /* * On some platforms the number of active planes affects * the planes' minimum cdclk calculation. Add such planes diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h index 339e4b0f7698..19a671848f42 100644 --- a/drivers/gpu/drm/i915/display/intel_display_types.h +++ b/drivers/gpu/drm/i915/display/intel_display_types.h @@ -909,6 +909,19 @@ struct intel_csc_matrix { u16 postoff[3]; }; +struct scaler_filter_coeff { + u16 sign; + u16 exp; + u16 mantissa; +}; + +struct intel_casf { +#define SCALER_FILTER_NUM_TAPS 7 + struct scaler_filter_coeff coeff[SCALER_FILTER_NUM_TAPS]; + u8 win_size; + bool need_scaler; +}; + void intel_io_mmio_fw_write(void *ctx, i915_reg_t reg, u32 val); typedef void (*intel_io_reg_write)(void *ctx, i915_reg_t reg, u32 val); @@ -949,6 +962,7 @@ struct intel_crtc_state { struct drm_property_blob *degamma_lut, *gamma_lut, *ctm; struct drm_display_mode mode, pipe_mode, adjusted_mode; enum drm_scaling_filter scaling_filter; + struct intel_casf casf_params; } hw; /* actual state of LUTs */ diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 7a35be56b7ef..2458bad38e74 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -2203,6 +2203,8 @@ #define PS_VERT_INT_INVERT_FIELD REG_BIT(20) #define PS_PROG_SCALE_FACTOR REG_BIT(19) /* tgl+ */ #define PS_PWRUP_PROGRESS REG_BIT(17) +#define PS_BYPASS_ARMING REG_BIT(10) +#define PS_DB_STALL REG_BIT(9) #define PS_V_FILTER_BYPASS REG_BIT(8) #define PS_VADAPT_EN REG_BIT(7) /* skl/bxt */ #define PS_VADAPT_MODE_MASK REG_GENMASK(6, 5) /* skl/bxt */ diff --git a/drivers/gpu/drm/xe/Makefile b/drivers/gpu/drm/xe/Makefile index a93e6fcc0ad9..fbc45a66b429 100644 --- a/drivers/gpu/drm/xe/Makefile +++ b/drivers/gpu/drm/xe/Makefile @@ -260,6 +260,7 @@ xe-$(CONFIG_DRM_XE_DISPLAY) += \ i915-display/intel_psr.o \ i915-display/intel_qp_tables.o \ i915-display/intel_quirks.o \ + i915-display/intel_casf.o \ i915-display/intel_snps_phy.o \ i915-display/intel_tc.o \ i915-display/intel_vblank.o \ From patchwork Wed Nov 20 05:46:11 2024 Content-Type: text/plain; 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d="scan'208";a="89606913" Received: from nemesa.iind.intel.com ([10.190.239.22]) by fmviesa007.fm.intel.com with ESMTP; 19 Nov 2024 21:45:04 -0800 From: Nemesa Garg To: dri-devel@lists.freedesktop.org Cc: Nemesa Garg Subject: [PATCH 3/5] drm/i915/display: Enable the second scaler for sharpness Date: Wed, 20 Nov 2024 11:16:11 +0530 Message-Id: <20241120054613.3797587-4-nemesa.garg@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20241120054613.3797587-1-nemesa.garg@intel.com> References: <20241120054613.3797587-1-nemesa.garg@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" As only second scaler can be used for sharpness check if it is available and also check if panel fitting is also not enabled, then set the sharpness. Panel fitting will have the preference over sharpness property. v2: Add the panel fitting check before enabling sharpness v3: Reframe commit message[Arun] v4: Replace string based comparison with plane_state[Jani] v5: Rebase v6: Fix build issue Signed-off-by: Nemesa Garg --- drivers/gpu/drm/i915/display/intel_casf.c | 10 +++ drivers/gpu/drm/i915/display/intel_casf.h | 1 + drivers/gpu/drm/i915/display/intel_display.c | 10 ++- .../drm/i915/display/intel_modeset_verify.c | 2 + drivers/gpu/drm/i915/display/intel_pfit.c | 6 ++ drivers/gpu/drm/i915/display/skl_scaler.c | 86 ++++++++++++++++--- drivers/gpu/drm/i915/display/skl_scaler.h | 1 + 7 files changed, 100 insertions(+), 16 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_casf.c b/drivers/gpu/drm/i915/display/intel_casf.c index d186dea75cbf..fce0b997ae62 100644 --- a/drivers/gpu/drm/i915/display/intel_casf.c +++ b/drivers/gpu/drm/i915/display/intel_casf.c @@ -83,6 +83,16 @@ void intel_casf_enable(struct intel_crtc_state *crtc_state) intel_de_write_fw(display, GLK_PS_COEF_DATA_SET(crtc->pipe, id, 1), tmp); } + + skl_scaler_setup_casf(crtc_state); +} + +int intel_casf_compute_config(struct intel_crtc_state *crtc_state) +{ + if (!crtc_state->pch_pfit.enabled) + crtc_state->hw.casf_params.need_scaler = true; + + return 0; } static void convert_sharpness_coef_binary(struct scaler_filter_coeff *coeff, diff --git a/drivers/gpu/drm/i915/display/intel_casf.h b/drivers/gpu/drm/i915/display/intel_casf.h index 8e0b67a2fd99..568e0f8083eb 100644 --- a/drivers/gpu/drm/i915/display/intel_casf.h +++ b/drivers/gpu/drm/i915/display/intel_casf.h @@ -12,5 +12,6 @@ struct intel_crtc_state; void intel_casf_enable(struct intel_crtc_state *crtc_state); void intel_casf_scaler_compute_config(struct intel_crtc_state *crtc_state); +int intel_casf_compute_config(struct intel_crtc_state *crtc_state); #endif /* __INTEL_CASF_H__ */ diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 86d5f916dfe1..1b1335e0af68 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -2137,7 +2137,7 @@ static void get_crtc_power_domains(struct intel_crtc_state *crtc_state, set_bit(POWER_DOMAIN_PIPE(pipe), mask->bits); set_bit(POWER_DOMAIN_TRANSCODER(cpu_transcoder), mask->bits); if (crtc_state->pch_pfit.enabled || - crtc_state->pch_pfit.force_thru) + crtc_state->pch_pfit.force_thru || crtc_state->hw.casf_params.need_scaler) set_bit(POWER_DOMAIN_PIPE_PANEL_FITTER(pipe), mask->bits); drm_for_each_encoder_mask(encoder, &dev_priv->drm, @@ -2386,7 +2386,7 @@ static u32 ilk_pipe_pixel_rate(const struct intel_crtc_state *crtc_state) * PF-ID we'll need to adjust the pixel_rate here. */ - if (!crtc_state->pch_pfit.enabled) + if (!crtc_state->pch_pfit.enabled || crtc_state->hw.casf_params.need_scaler) return pixel_rate; drm_rect_init(&src, 0, 0, @@ -4579,7 +4579,8 @@ static int intel_crtc_atomic_check(struct intel_atomic_state *state, if (DISPLAY_VER(dev_priv) >= 9) { if (intel_crtc_needs_modeset(crtc_state) || - intel_crtc_needs_fastset(crtc_state)) { + intel_crtc_needs_fastset(crtc_state) || + crtc_state->hw.casf_params.need_scaler) { ret = skl_update_scaler_crtc(crtc_state); if (ret) return ret; @@ -5769,6 +5770,9 @@ intel_pipe_config_compare(const struct intel_crtc_state *current_config, PIPE_CONF_CHECK_BOOL(cmrr.enable); } + if (pipe_config->uapi.sharpness_strength > 0) + PIPE_CONF_CHECK_BOOL(hw.casf_params.need_scaler); + #undef PIPE_CONF_CHECK_X #undef PIPE_CONF_CHECK_I #undef PIPE_CONF_CHECK_LLI diff --git a/drivers/gpu/drm/i915/display/intel_modeset_verify.c b/drivers/gpu/drm/i915/display/intel_modeset_verify.c index bc70e72ccc2e..4bd7dbbbb633 100644 --- a/drivers/gpu/drm/i915/display/intel_modeset_verify.c +++ b/drivers/gpu/drm/i915/display/intel_modeset_verify.c @@ -180,9 +180,11 @@ verify_crtc_state(struct intel_atomic_state *state, crtc->base.name); hw_crtc_state->hw.enable = sw_crtc_state->hw.enable; + hw_crtc_state->hw.casf_params.need_scaler = sw_crtc_state->hw.casf_params.need_scaler; intel_crtc_get_pipe_config(hw_crtc_state); + hw_crtc_state->scaler_state.scaler_id = sw_crtc_state->scaler_state.scaler_id; /* we keep both pipes enabled on 830 */ if (IS_I830(i915) && hw_crtc_state->hw.active) hw_crtc_state->hw.active = sw_crtc_state->hw.active; diff --git a/drivers/gpu/drm/i915/display/intel_pfit.c b/drivers/gpu/drm/i915/display/intel_pfit.c index 50861aa78a89..cee7c984e66b 100644 --- a/drivers/gpu/drm/i915/display/intel_pfit.c +++ b/drivers/gpu/drm/i915/display/intel_pfit.c @@ -183,6 +183,9 @@ static int pch_panel_fitting(struct intel_crtc_state *crtc_state, struct intel_display *display = to_intel_display(crtc_state); const struct drm_display_mode *adjusted_mode = &crtc_state->hw.adjusted_mode; + struct intel_atomic_state *state = to_intel_atomic_state(conn_state->state); + struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); + struct intel_crtc_state *old_crtc_state = intel_atomic_get_old_crtc_state(state, crtc); int pipe_src_w = drm_rect_width(&crtc_state->pipe_src); int pipe_src_h = drm_rect_height(&crtc_state->pipe_src); int ret, x, y, width, height; @@ -193,6 +196,9 @@ static int pch_panel_fitting(struct intel_crtc_state *crtc_state, crtc_state->output_format != INTEL_OUTPUT_FORMAT_YCBCR420) return 0; + if (old_crtc_state->hw.casf_params.need_scaler) + return -EINVAL; + switch (conn_state->scaling_mode) { case DRM_MODE_SCALE_CENTER: width = pipe_src_w; diff --git a/drivers/gpu/drm/i915/display/skl_scaler.c b/drivers/gpu/drm/i915/display/skl_scaler.c index 11f73659c1b6..5311ef6c51d1 100644 --- a/drivers/gpu/drm/i915/display/skl_scaler.c +++ b/drivers/gpu/drm/i915/display/skl_scaler.c @@ -97,7 +97,12 @@ static u16 skl_scaler_calc_phase(int sub, int scale, bool chroma_cosited) #define MTL_MAX_DST_H 8192 #define SKL_MIN_YUV_420_SRC_W 16 #define SKL_MIN_YUV_420_SRC_H 16 - +#define SCALER_FILTER_SELECT \ + (PS_FILTER_PROGRAMMED | \ + PS_Y_VERT_FILTER_SELECT(1) | \ + PS_Y_HORZ_FILTER_SELECT(0) | \ + PS_UV_VERT_FILTER_SELECT(1) | \ + PS_UV_HORZ_FILTER_SELECT(0)) static int skl_update_scaler(struct intel_crtc_state *crtc_state, bool force_detach, unsigned int scaler_user, int *scaler_id, @@ -253,7 +258,8 @@ int skl_update_scaler_crtc(struct intel_crtc_state *crtc_state) drm_rect_width(&crtc_state->pipe_src), drm_rect_height(&crtc_state->pipe_src), width, height, NULL, 0, - crtc_state->pch_pfit.enabled); + crtc_state->pch_pfit.enabled || + crtc_state->hw.casf_params.need_scaler); } /** @@ -292,7 +298,9 @@ int skl_update_scaler_plane(struct intel_crtc_state *crtc_state, } static int intel_allocate_scaler(struct intel_crtc_scaler_state *scaler_state, - struct intel_crtc *crtc) + struct intel_crtc *crtc, + struct intel_plane_state *plane_state, + bool casf_scaler) { int i; @@ -300,6 +308,11 @@ static int intel_allocate_scaler(struct intel_crtc_scaler_state *scaler_state, if (scaler_state->scalers[i].in_use) continue; + if (!plane_state) { + if (casf_scaler && i != 1) + continue; + } + scaler_state->scalers[i].in_use = true; return i; @@ -312,19 +325,23 @@ static int intel_atomic_setup_scaler(struct intel_crtc_scaler_state *scaler_stat int num_scalers_need, struct intel_crtc *crtc, const char *name, int idx, struct intel_plane_state *plane_state, - int *scaler_id) + int *scaler_id, bool casf_scaler) { struct intel_display *display = to_intel_display(crtc); struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); + struct intel_crtc_state *crtc_state = to_intel_crtc_state(crtc->base.state); u32 mode; if (*scaler_id < 0) - *scaler_id = intel_allocate_scaler(scaler_state, crtc); + *scaler_id = intel_allocate_scaler(scaler_state, crtc, plane_state, casf_scaler); if (drm_WARN(display->drm, *scaler_id < 0, "Cannot find scaler for %s:%d\n", name, idx)) return -EINVAL; + if (crtc_state->hw.casf_params.need_scaler) + mode = SKL_PS_SCALER_MODE_HQ; + /* set scaler mode */ if (plane_state && plane_state->hw.fb && plane_state->hw.fb->format->is_yuv && @@ -443,7 +460,8 @@ static int setup_crtc_scaler(struct intel_atomic_state *state, return intel_atomic_setup_scaler(scaler_state, hweight32(scaler_state->scaler_users), crtc, "CRTC", crtc->base.base.id, - NULL, &scaler_state->scaler_id); + NULL, &scaler_state->scaler_id, + crtc_state->hw.casf_params.need_scaler); } static int setup_plane_scaler(struct intel_atomic_state *state, @@ -478,7 +496,8 @@ static int setup_plane_scaler(struct intel_atomic_state *state, return intel_atomic_setup_scaler(scaler_state, hweight32(scaler_state->scaler_users), crtc, "PLANE", plane->base.base.id, - plane_state, &plane_state->scaler_id); + plane_state, &plane_state->scaler_id, + crtc_state->hw.casf_params.need_scaler); } /** @@ -654,6 +673,44 @@ static void skl_scaler_setup_filter(struct intel_display *display, enum pipe pip } } +void skl_scaler_setup_casf(struct intel_crtc_state *crtc_state) +{ + struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); + struct intel_display *display = to_intel_display(crtc); + struct drm_display_mode *adjusted_mode = + &crtc_state->hw.adjusted_mode; + struct intel_crtc_scaler_state *scaler_state = + &crtc_state->scaler_state; + struct drm_rect src, dest; + int id, width, height; + int x, y; + enum pipe pipe = crtc->pipe; + u32 ps_ctrl; + + width = adjusted_mode->crtc_hdisplay; + height = adjusted_mode->crtc_vdisplay; + + x = y = 0; + drm_rect_init(&dest, x, y, width, height); + + width = drm_rect_width(&dest); + height = drm_rect_height(&dest); + id = scaler_state->scaler_id; + + drm_rect_init(&src, 0, 0, + drm_rect_width(&crtc_state->pipe_src) << 16, + drm_rect_height(&crtc_state->pipe_src) << 16); + + ps_ctrl = PS_SCALER_EN | PS_BINDING_PIPE | scaler_state->scalers[id].mode | + PS_BYPASS_ARMING | PS_DB_STALL | SCALER_FILTER_SELECT; + + intel_de_write_fw(display, SKL_PS_CTRL(pipe, id), ps_ctrl); + intel_de_write_fw(display, SKL_PS_WIN_POS(pipe, id), + PS_WIN_XPOS(x) | PS_WIN_YPOS(y)); + intel_de_write_fw(display, SKL_PS_WIN_SZ(pipe, id), + PS_WIN_XSIZE(width) | PS_WIN_YSIZE(height)); +} + void skl_pfit_enable(const struct intel_crtc_state *crtc_state) { struct intel_display *display = to_intel_display(crtc_state); @@ -824,16 +881,19 @@ void skl_scaler_get_config(struct intel_crtc_state *crtc_state) continue; id = i; - crtc_state->pch_pfit.enabled = true; + + if (!crtc_state->hw.casf_params.need_scaler) + crtc_state->pch_pfit.enabled = true; pos = intel_de_read(display, SKL_PS_WIN_POS(crtc->pipe, i)); size = intel_de_read(display, SKL_PS_WIN_SZ(crtc->pipe, i)); - drm_rect_init(&crtc_state->pch_pfit.dst, - REG_FIELD_GET(PS_WIN_XPOS_MASK, pos), - REG_FIELD_GET(PS_WIN_YPOS_MASK, pos), - REG_FIELD_GET(PS_WIN_XSIZE_MASK, size), - REG_FIELD_GET(PS_WIN_YSIZE_MASK, size)); + if (!crtc_state->hw.casf_params.need_scaler) + drm_rect_init(&crtc_state->pch_pfit.dst, + REG_FIELD_GET(PS_WIN_XPOS_MASK, pos), + REG_FIELD_GET(PS_WIN_YPOS_MASK, pos), + REG_FIELD_GET(PS_WIN_XSIZE_MASK, size), + REG_FIELD_GET(PS_WIN_YSIZE_MASK, size)); scaler_state->scalers[i].in_use = true; break; diff --git a/drivers/gpu/drm/i915/display/skl_scaler.h b/drivers/gpu/drm/i915/display/skl_scaler.h index 4d2e2dbb1666..e1fe6a2d6c32 100644 --- a/drivers/gpu/drm/i915/display/skl_scaler.h +++ b/drivers/gpu/drm/i915/display/skl_scaler.h @@ -28,5 +28,6 @@ void skl_detach_scalers(const struct intel_crtc_state *crtc_state); void skl_scaler_disable(const struct intel_crtc_state *old_crtc_state); void skl_scaler_get_config(struct intel_crtc_state *crtc_state); +void skl_scaler_setup_casf(struct intel_crtc_state *crtc_state); #endif From patchwork Wed Nov 20 05:46:12 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nemesa Garg X-Patchwork-Id: 13880710 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 1D48BD6E2BA for ; Wed, 20 Nov 2024 05:45:11 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 77F7510E6B2; Wed, 20 Nov 2024 05:45:10 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="S/d+oLZK"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.20]) by gabe.freedesktop.org (Postfix) with ESMTPS id 9DF4E10E392 for ; Wed, 20 Nov 2024 05:45:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1732081508; x=1763617508; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=lTHjX1idi3g3Tb4no0RbTTjWeLXYL5GOI0/yVZchYWI=; b=S/d+oLZK2zY0O/LTD9d2vBgayZ/c9uLq6fyIl+Sf3Kk4VHZiuhXlXV19 jQ4f965LpcXcnFGExaUJQdmF5Mu8TJxykQTy8gxF+/IwuwpcqNa7IIcP0 HRFslNed3B8F2T68f6NVC+YtF93ugGAgd6B4NX0Mb1TkoXwzkQVyTJCNd ybpsevJ4Zj5eVQ3aNkLhvbIpTJspNp7Ci+BJ4hFYQp0UoySEWsftu6omw N2Vm7LUJYMxes4+5eKviFZgtTVaKqqLZWGgReVxW76OMYBHKVXiQsqL0V wgj7/oo0T1caKGnkrQGtx4RvOv6pl/kT+xZNtikiphuaxANjXG/xaaN+d g==; X-CSE-ConnectionGUID: XxIA9ZVqTFyIdCdFexxI9g== X-CSE-MsgGUID: TznakkGEQzyCOFp4qy/RFw== X-IronPort-AV: E=McAfee;i="6700,10204,11261"; a="31867797" X-IronPort-AV: E=Sophos;i="6.12,168,1728975600"; d="scan'208";a="31867797" Received: from fmviesa007.fm.intel.com ([10.60.135.147]) by orvoesa112.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Nov 2024 21:45:07 -0800 X-CSE-ConnectionGUID: SyhSjh/jTtCNsBZiorVE2w== X-CSE-MsgGUID: fawxRDWSQIejGBSYvIHoog== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.12,168,1728975600"; d="scan'208";a="89606927" Received: from nemesa.iind.intel.com ([10.190.239.22]) by fmviesa007.fm.intel.com with ESMTP; 19 Nov 2024 21:45:06 -0800 From: Nemesa Garg To: dri-devel@lists.freedesktop.org Cc: Nemesa Garg Subject: [PATCH 4/5] drm/i915/display: Add registers and compute the strength Date: Wed, 20 Nov 2024 11:16:12 +0530 Message-Id: <20241120054613.3797587-5-nemesa.garg@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20241120054613.3797587-1-nemesa.garg@intel.com> References: <20241120054613.3797587-1-nemesa.garg@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" Add new registers and related bits. Compute the strength value and tap value based on display mode. v2: Replace i915/dev_priv with display[Jani] v3: Create separate file for defining register[Jani] Add display->drm in debug prints[Jani] v4: Rebase v5: Fix build issue Signed-off-by: Nemesa Garg --- drivers/gpu/drm/i915/display/intel_casf.c | 114 ++++++++++++++++++ drivers/gpu/drm/i915/display/intel_casf.h | 7 ++ .../gpu/drm/i915/display/intel_casf_regs.h | 17 +++ drivers/gpu/drm/i915/display/intel_display.c | 7 +- 4 files changed, 144 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/display/intel_casf.c b/drivers/gpu/drm/i915/display/intel_casf.c index fce0b997ae62..396a9d0d6d61 100644 --- a/drivers/gpu/drm/i915/display/intel_casf.c +++ b/drivers/gpu/drm/i915/display/intel_casf.c @@ -17,6 +17,9 @@ #define FILTER_COEFF_0_0 0 #define SET_POSITIVE_SIGN(x) ((x) & (~SIGN)) +#define MAX_PIXELS_FOR_3_TAP_FILTER (1920 * 1080) +#define MAX_PIXELS_FOR_5_TAP_FILTER (3840 * 2160) + /** * DOC: Content Adaptive Sharpness Filter (CASF) * @@ -55,12 +58,92 @@ static u16 casf_coef(struct intel_crtc_state *crtc_state, int t) return coeff; } +/* Default LUT values to be loaded one time. */ +static const u16 lut_data[] = { + 4095, 2047, 1364, 1022, 816, 678, 579, + 504, 444, 397, 357, 323, 293, 268, 244, 224, + 204, 187, 170, 154, 139, 125, 111, 98, 85, + 73, 60, 48, 36, 24, 12, 0 +}; + +void intel_filter_lut_load(struct intel_crtc *crtc, + const struct intel_crtc_state *crtc_state) +{ + struct intel_display *display = to_intel_display(crtc_state); + enum transcoder cpu_transcoder = crtc_state->cpu_transcoder; + int i; + + intel_de_write(display, SHRPLUT_INDEX(display, cpu_transcoder), + INDEX_AUTO_INCR | INDEX_VALUE(0)); + + for (i = 0; i < ARRAY_SIZE(lut_data); i++) + intel_de_write(display, SHRPLUT_DATA(display, cpu_transcoder), + lut_data[i]); +} + +static void intel_casf_size_compute(struct intel_crtc_state *crtc_state) +{ + const struct drm_display_mode *mode = &crtc_state->hw.adjusted_mode; + u16 total_pixels = mode->hdisplay * mode->vdisplay; + + if (total_pixels <= MAX_PIXELS_FOR_3_TAP_FILTER) + crtc_state->hw.casf_params.win_size = 0; + else if (total_pixels <= MAX_PIXELS_FOR_5_TAP_FILTER) + crtc_state->hw.casf_params.win_size = 1; + else + crtc_state->hw.casf_params.win_size = 2; +} + +bool intel_casf_strength_changed(struct intel_atomic_state *state) +{ + int i; + struct intel_crtc_state *old_crtc_state, *new_crtc_state; + struct intel_crtc *crtc; + + for_each_oldnew_intel_crtc_in_state(state, crtc, old_crtc_state, + new_crtc_state, i) { + if (new_crtc_state->uapi.sharpness_strength != + old_crtc_state->uapi.sharpness_strength) + return true; + } + + return false; +} + void intel_casf_enable(struct intel_crtc_state *crtc_state) { struct intel_display *display = to_intel_display(crtc_state); + enum transcoder cpu_transcoder = crtc_state->cpu_transcoder; struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); int id = crtc_state->scaler_state.scaler_id; int i; + u32 sharpness_ctl; + u8 val; + + if (crtc_state->uapi.sharpness_strength == 0 || + crtc_state->pch_pfit.enabled) { + intel_casf_disable(crtc_state); + + return; + } + + /* + * HW takes a value in form (1.0 + strength) in 4.4 fixed format. + * Strength is from 0.0-14.9375 ie from 0-239. + * User can give value from 0-255 but is clamped to 239. + * Ex. User gives 85 which is 5.3125 and adding 1.0 gives 6.3125. + * 6.3125 in 4.4 format is 01100101 which is equal to 101. + * Also 85 + 16 = 101. + */ + val = min(crtc_state->uapi.sharpness_strength, 0xEF) + 0x10; + + drm_dbg(display->drm, "Filter strength value: %d\n", val); + + sharpness_ctl = FILTER_EN | FILTER_STRENGTH(val) | + FILTER_SIZE(crtc_state->hw.casf_params.win_size); + + intel_de_write(display, SHARPNESS_CTL(display, cpu_transcoder), + sharpness_ctl); intel_de_write_fw(display, GLK_PS_COEF_INDEX_SET(crtc->pipe, id, 0), PS_COEF_INDEX_AUTO_INC); @@ -89,9 +172,23 @@ void intel_casf_enable(struct intel_crtc_state *crtc_state) int intel_casf_compute_config(struct intel_crtc_state *crtc_state) { + struct intel_display *display = to_intel_display(crtc_state); + + if (crtc_state->uapi.sharpness_strength == 0) { + crtc_state->hw.casf_params.need_scaler = false; + return 0; + } + + if (crtc_state->pch_pfit.enabled) + return -EINVAL; + if (!crtc_state->pch_pfit.enabled) crtc_state->hw.casf_params.need_scaler = true; + intel_casf_size_compute(crtc_state); + drm_dbg(display->drm, "Tap Size: %d\n", + crtc_state->hw.casf_params.win_size); + return 0; } @@ -136,3 +233,20 @@ void intel_casf_scaler_compute_config(struct intel_crtc_state *crtc_state) filter_coeff[i]); } } + +void intel_casf_disable(struct intel_crtc_state *crtc_state) +{ + struct intel_display *display = to_intel_display(crtc_state); + enum transcoder cpu_transcoder = crtc_state->cpu_transcoder; + + intel_de_write(display, SHARPNESS_CTL(display, cpu_transcoder), 0); + drm_dbg(display->drm, "Filter strength value: %d\n", 0); +} + +bool intel_casf_compute(struct intel_crtc_state *crtc_state) +{ + if (!(FILTER_EN & 1) && crtc_state->uapi.sharpness_strength != 0) + return true; + + return false; +} diff --git a/drivers/gpu/drm/i915/display/intel_casf.h b/drivers/gpu/drm/i915/display/intel_casf.h index 568e0f8083eb..05b0abddd917 100644 --- a/drivers/gpu/drm/i915/display/intel_casf.h +++ b/drivers/gpu/drm/i915/display/intel_casf.h @@ -9,9 +9,16 @@ #include struct intel_crtc_state; +struct intel_atomic_state; +struct intel_crtc; void intel_casf_enable(struct intel_crtc_state *crtc_state); void intel_casf_scaler_compute_config(struct intel_crtc_state *crtc_state); int intel_casf_compute_config(struct intel_crtc_state *crtc_state); +void intel_filter_lut_load(struct intel_crtc *crtc, + const struct intel_crtc_state *crtc_state); +bool intel_casf_strength_changed(struct intel_atomic_state *state); +void intel_casf_disable(struct intel_crtc_state *crtc_state); +bool intel_casf_compute(struct intel_crtc_state *crtc_state); #endif /* __INTEL_CASF_H__ */ diff --git a/drivers/gpu/drm/i915/display/intel_casf_regs.h b/drivers/gpu/drm/i915/display/intel_casf_regs.h index 0b3fcdb22c0c..fb92978e386a 100644 --- a/drivers/gpu/drm/i915/display/intel_casf_regs.h +++ b/drivers/gpu/drm/i915/display/intel_casf_regs.h @@ -15,5 +15,22 @@ #define MANTISSA_MASK REG_GENMASK(11, 3) #define MANTISSA(x) REG_FIELD_PREP(MANTISSA_MASK, (x)) +#define _SHARPNESS_CTL_A 0x682B0 +#define SHARPNESS_CTL(display, trans) _MMIO_PIPE2(display, trans, _SHARPNESS_CTL_A) +#define FILTER_EN REG_BIT(31) +#define FILTER_STRENGTH_MASK REG_GENMASK(15, 8) +#define FILTER_STRENGTH(x) REG_FIELD_PREP(FILTER_STRENGTH_MASK, (x)) +#define FILTER_SIZE_MASK REG_GENMASK(1, 0) +#define FILTER_SIZE(x) REG_FIELD_PREP(FILTER_SIZE_MASK, (x)) + +#define _SHRPLUT_DATA_A 0x682B8 +#define SHRPLUT_DATA(display, trans) _MMIO_PIPE2(display, trans, _SHRPLUT_DATA_A) + +#define _SHRPLUT_INDEX_A 0x682B4 +#define SHRPLUT_INDEX(display, trans) _MMIO_PIPE2(display, trans, _SHRPLUT_INDEX_A) +#define INDEX_AUTO_INCR REG_BIT(10) +#define INDEX_VALUE_MASK REG_GENMASK(4, 0) +#define INDEX_VALUE(x) REG_FIELD_PREP(INDEX_VALUE_MASK, (x)) + #endif /* __INTEL_CASF_REGS__ */ diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 1b1335e0af68..f5e837310309 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -6198,7 +6198,12 @@ static int intel_atomic_check_planes(struct intel_atomic_state *state) if (ret) return ret; - intel_casf_scaler_compute_config(new_crtc_state); + if (intel_casf_compute(new_crtc_state)) { + intel_casf_scaler_compute_config(new_crtc_state); + ret = intel_casf_compute_config(new_crtc_state); + if (ret) + return ret; + } /* * On some platforms the number of active planes affects From patchwork Wed Nov 20 05:46:13 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nemesa Garg X-Patchwork-Id: 13880709 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id C48A8D6E2B9 for ; Wed, 20 Nov 2024 05:45:10 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 49C1E10E396; Wed, 20 Nov 2024 05:45:10 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="D6Hpjpr3"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.20]) by gabe.freedesktop.org (Postfix) with ESMTPS id A6C3710E392 for ; Wed, 20 Nov 2024 05:45:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1732081510; x=1763617510; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=mUsQaPHbsMqwFIgfjWB5Mc5FJ7X6JU7KKmWmNXVgJhg=; b=D6Hpjpr3J4OeBY722chRifOa5uYWt1+AH4LmoI2GfJMBBGFTAsMwBIZz hUZmi/zqemUFXT0ESMFJvRxo0de1bmwxXy2Qm/BsFuVv1o8LssZVDpPZf mMtrvh0IGwnxDmVy7dDu7taPNBpVVD+Qfdc4Da+28gXdcnnBBPaPhGWES BihMB/xFGr436+pltXvMNxg9IP6rxaOT2uu0S5wqzUAkeWniOEeVuCH+p 6onj5Qz1LfLbF+qmEgShiJXWsHLm2xYWbDZL0Gt9dxhM+dtnQFxFbV6Ne ccnYjhbuEFKAuoNkbgpP1Y7ZNknWrZocv43bDFDc5c+kLKfTeXd7Mqd9U Q==; X-CSE-ConnectionGUID: K5YnPm5zTKSggUvAf6w2dg== X-CSE-MsgGUID: rpfUYKkWQ16WdyakIEXUAw== X-IronPort-AV: E=McAfee;i="6700,10204,11261"; a="31867806" X-IronPort-AV: E=Sophos;i="6.12,168,1728975600"; d="scan'208";a="31867806" Received: from fmviesa007.fm.intel.com ([10.60.135.147]) by orvoesa112.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Nov 2024 21:45:09 -0800 X-CSE-ConnectionGUID: 5BK+KI3ZTOyYAIcdirMerg== X-CSE-MsgGUID: Rq6UoL8fTsGs4UefMqAWaQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.12,168,1728975600"; d="scan'208";a="89606935" Received: from nemesa.iind.intel.com ([10.190.239.22]) by fmviesa007.fm.intel.com with ESMTP; 19 Nov 2024 21:45:08 -0800 From: Nemesa Garg To: dri-devel@lists.freedesktop.org Cc: Nemesa Garg Subject: [PATCH 5/5] drm/i915/display: Load the lut values and enable sharpness Date: Wed, 20 Nov 2024 11:16:13 +0530 Message-Id: <20241120054613.3797587-6-nemesa.garg@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20241120054613.3797587-1-nemesa.garg@intel.com> References: <20241120054613.3797587-1-nemesa.garg@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" Load the lut values during pipe enable. v2: Add the display version check v3: Fix build issue Signed-off-by: Nemesa Garg --- drivers/gpu/drm/i915/display/intel_crtc.c | 3 +++ drivers/gpu/drm/i915/display/intel_display.c | 6 ++++++ .../gpu/drm/i915/display/intel_display_types.h | 2 ++ drivers/gpu/drm/i915/display/skl_scaler.c | 15 ++++++++++++++- 4 files changed, 25 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/display/intel_crtc.c b/drivers/gpu/drm/i915/display/intel_crtc.c index a2c528d707f4..b4d7ae7b3db8 100644 --- a/drivers/gpu/drm/i915/display/intel_crtc.c +++ b/drivers/gpu/drm/i915/display/intel_crtc.c @@ -388,6 +388,9 @@ int intel_crtc_init(struct drm_i915_private *dev_priv, enum pipe pipe) drm_WARN_ON(&dev_priv->drm, drm_crtc_index(&crtc->base) != crtc->pipe); + if (DISPLAY_VER(dev_priv) >= 20) + drm_crtc_create_sharpness_strength_property(&crtc->base); + return 0; fail: diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index f5e837310309..e81135f8daf9 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -1881,6 +1881,9 @@ static void hsw_crtc_enable(struct intel_atomic_state *state, intel_crtc_wait_for_next_vblank(wa_crtc); } } + + if (new_crtc_state->hw.casf_params.strength_changed) + intel_filter_lut_load(crtc, new_crtc_state); } void ilk_pfit_disable(const struct intel_crtc_state *old_crtc_state) @@ -7203,6 +7206,9 @@ static void intel_pre_update_crtc(struct intel_atomic_state *state, intel_vrr_set_transcoder_timings(new_crtc_state); } + if (intel_casf_strength_changed(state)) + intel_casf_enable(new_crtc_state); + intel_fbc_update(state, crtc); drm_WARN_ON(&i915->drm, !intel_display_power_is_enabled(i915, POWER_DOMAIN_DC_OFF)); diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h index 19a671848f42..ad4138dcea8b 100644 --- a/drivers/gpu/drm/i915/display/intel_display_types.h +++ b/drivers/gpu/drm/i915/display/intel_display_types.h @@ -920,6 +920,8 @@ struct intel_casf { struct scaler_filter_coeff coeff[SCALER_FILTER_NUM_TAPS]; u8 win_size; bool need_scaler; + bool strength_changed; + u8 strength; }; void intel_io_mmio_fw_write(void *ctx, i915_reg_t reg, u32 val); diff --git a/drivers/gpu/drm/i915/display/skl_scaler.c b/drivers/gpu/drm/i915/display/skl_scaler.c index 5311ef6c51d1..19f6cf62164c 100644 --- a/drivers/gpu/drm/i915/display/skl_scaler.c +++ b/drivers/gpu/drm/i915/display/skl_scaler.c @@ -7,6 +7,7 @@ #include "intel_de.h" #include "intel_display_types.h" #include "intel_fb.h" +#include "intel_casf_regs.h" #include "skl_scaler.h" #include "skl_universal_plane.h" @@ -869,12 +870,13 @@ void skl_scaler_get_config(struct intel_crtc_state *crtc_state) struct intel_display *display = to_intel_display(crtc_state); struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); struct intel_crtc_scaler_state *scaler_state = &crtc_state->scaler_state; + enum transcoder cpu_transcoder = crtc_state->cpu_transcoder; int id = -1; int i; /* find scaler attached to this pipe */ for (i = 0; i < crtc->num_scalers; i++) { - u32 ctl, pos, size; + u32 ctl, pos, size, sharp; ctl = intel_de_read(display, SKL_PS_CTRL(crtc->pipe, i)); if ((ctl & (PS_SCALER_EN | PS_BINDING_MASK)) != (PS_SCALER_EN | PS_BINDING_PIPE)) @@ -882,6 +884,17 @@ void skl_scaler_get_config(struct intel_crtc_state *crtc_state) id = i; + if (DISPLAY_VER(display) >= 20) { + sharp = intel_de_read(display, SHARPNESS_CTL(display, cpu_transcoder)); + if (sharp & FILTER_EN) { + crtc_state->hw.casf_params.strength = + REG_FIELD_GET(FILTER_STRENGTH_MASK, sharp) - 16; + crtc_state->hw.casf_params.need_scaler = true; + crtc_state->hw.casf_params.win_size = + REG_FIELD_GET(FILTER_SIZE_MASK, sharp); + } + } + if (!crtc_state->hw.casf_params.need_scaler) crtc_state->pch_pfit.enabled = true;