From patchwork Wed Aug 21 10:23:47 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arun R Murthy X-Patchwork-Id: 13771214 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 B3F85C52D7C for ; Wed, 21 Aug 2024 10:33:41 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 57D7910E8CA; Wed, 21 Aug 2024 10:33:41 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="VrTVbE0a"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.11]) by gabe.freedesktop.org (Postfix) with ESMTPS id B2BF410E8CA for ; Wed, 21 Aug 2024 10:33:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1724236420; x=1755772420; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=0vO45Ff2AsAxjbeVR5/Un2l7Ax/BJi+2LbEGbOxXpz0=; b=VrTVbE0a93XVQ6SWc381pfL8KcIwbP1LTiYIVWK45V7joi29ueYMavom YAf7J07ifv7nQtcGLbD2f/srDo2ykzEwn/rkXTsNCUguj9SyxCNpi9EV1 Gx3e0rl5lCVpvDLP7/2RWKpnWCEgalqlVChrZXXLbD0d/TlsK99pduXQH nBwSeAx9GGxs49O/wmyZTOYMhqsEBp4LQlogtpPY2rPrfpbS33ntOYxtL Pd86SbIz/V1Brw8gDdy2I4FSxIWsgphdBDTzkZENO3O4ewIzxsoApae07 yNBIqk9QGv9VDJDKgQLBh+L14aE/mUj3ZhKHa+ppKqaDouZjuIMpfSj7x A==; X-CSE-ConnectionGUID: t4TOINVvTI2O9J3Aj+4ZCg== X-CSE-MsgGUID: JI1Fr8x4STO/QDSISDETFQ== X-IronPort-AV: E=McAfee;i="6700,10204,11170"; a="33155453" X-IronPort-AV: E=Sophos;i="6.10,164,1719903600"; d="scan'208";a="33155453" Received: from fmviesa004.fm.intel.com ([10.60.135.144]) by orvoesa103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Aug 2024 03:33:40 -0700 X-CSE-ConnectionGUID: R3mxRRacQMyOHKclE227Jg== X-CSE-MsgGUID: rs1jAMXXT2WXeDCgqb8oLw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.10,164,1719903600"; d="scan'208";a="65740609" Received: from srr4-3-linux-106-armuthy.iind.intel.com ([10.190.238.56]) by fmviesa004.fm.intel.com with ESMTP; 21 Aug 2024 03:33:38 -0700 From: Arun R Murthy To: intel-gfx@lists.freedesktop.org Cc: Arun R Murthy Subject: [PATCHv2 3/5] Add crtc properties for global histogram Date: Wed, 21 Aug 2024 15:53:47 +0530 Message-Id: <20240821102349.3961986-4-arun.r.murthy@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240821102349.3961986-1-arun.r.murthy@intel.com> References: <20240821102349.3961986-1-arun.r.murthy@intel.com> MIME-Version: 1.0 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" CRTC properties have been added for enable/disable histogram, reading the histogram data and writing the IET data. "HISTOGRAM_EN" is the crtc property to enable/disable the global histogram and takes a value 0/1 accordingly. "Histogram" is a crtc property to read the binary histogram data. "Global IET" is a crtc property to write the IET binary LUT data. v2: Read the histogram blob data before sending uevent (Jani) Signed-off-by: Arun R Murthy --- drivers/gpu/drm/i915/display/intel_atomic.c | 5 + drivers/gpu/drm/i915/display/intel_crtc.c | 202 +++++++++++++++++- drivers/gpu/drm/i915/display/intel_crtc.h | 5 + drivers/gpu/drm/i915/display/intel_display.c | 13 ++ .../drm/i915/display/intel_display_types.h | 17 ++ .../gpu/drm/i915/display/intel_histogram.c | 7 + 6 files changed, 248 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/display/intel_atomic.c b/drivers/gpu/drm/i915/display/intel_atomic.c index 76aa10b6f647..693a22089937 100644 --- a/drivers/gpu/drm/i915/display/intel_atomic.c +++ b/drivers/gpu/drm/i915/display/intel_atomic.c @@ -246,6 +246,8 @@ intel_crtc_duplicate_state(struct drm_crtc *crtc) __drm_atomic_helper_crtc_duplicate_state(crtc, &crtc_state->uapi); + if (crtc_state->global_iet) + drm_property_blob_get(crtc_state->global_iet); /* copy color blobs */ if (crtc_state->hw.degamma_lut) drm_property_blob_get(crtc_state->hw.degamma_lut); @@ -277,6 +279,7 @@ intel_crtc_duplicate_state(struct drm_crtc *crtc) crtc_state->fb_bits = 0; crtc_state->update_planes = 0; crtc_state->dsb = NULL; + crtc_state->histogram_en_changed = false; return &crtc_state->uapi; } @@ -312,6 +315,8 @@ intel_crtc_destroy_state(struct drm_crtc *crtc, drm_WARN_ON(crtc->dev, crtc_state->dsb); + if (crtc_state->global_iet) + drm_property_blob_put(crtc_state->global_iet); __drm_atomic_helper_crtc_destroy_state(&crtc_state->uapi); intel_crtc_free_hw_state(crtc_state); if (crtc_state->dp_tunnel_ref.tunnel) diff --git a/drivers/gpu/drm/i915/display/intel_crtc.c b/drivers/gpu/drm/i915/display/intel_crtc.c index 1b578cad2813..24f160359422 100644 --- a/drivers/gpu/drm/i915/display/intel_crtc.c +++ b/drivers/gpu/drm/i915/display/intel_crtc.c @@ -10,6 +10,7 @@ #include #include #include +#include #include "i915_vgpu.h" #include "i9xx_plane.h" @@ -26,6 +27,7 @@ #include "intel_drrs.h" #include "intel_dsi.h" #include "intel_fifo_underrun.h" +#include "intel_histogram.h" #include "intel_pipe_crc.h" #include "intel_psr.h" #include "intel_sprite.h" @@ -201,6 +203,7 @@ static struct intel_crtc *intel_crtc_alloc(void) static void intel_crtc_free(struct intel_crtc *crtc) { intel_crtc_destroy_state(&crtc->base, crtc->base.state); + intel_histogram_deinit(crtc); kfree(crtc); } @@ -220,6 +223,100 @@ static int intel_crtc_late_register(struct drm_crtc *crtc) return 0; } +static int intel_crtc_get_property(struct drm_crtc *crtc, + const struct drm_crtc_state *state, + struct drm_property *property, + uint64_t *val) +{ + struct drm_i915_private *i915 = to_i915(crtc->dev); + const struct intel_crtc_state *intel_crtc_state = + to_intel_crtc_state(state); + struct intel_crtc *intel_crtc = to_intel_crtc(crtc); + + if (property == intel_crtc->histogram_en_property) { + *val = intel_crtc_state->histogram_en; + } else if (property == intel_crtc->global_iet_property) { + *val = (intel_crtc_state->global_iet) ? + intel_crtc_state->global_iet->base.id : 0; + } else if (property == intel_crtc->histogram_property) { + *val = (intel_crtc_state->histogram) ? + intel_crtc_state->histogram->base.id : 0; + } else { + drm_err(&i915->drm, + "Unknown property [PROP:%d:%s]\n", + property->base.id, property->name); + return -EINVAL; + } + + return 0; +} + +static int +intel_atomic_replace_property_blob_from_id(struct drm_device *dev, + struct drm_property_blob **blob, + u64 blob_id, + ssize_t expected_size, + ssize_t expected_elem_size, + bool *replaced) +{ + struct drm_property_blob *new_blob = NULL; + + if (blob_id != 0) { + new_blob = drm_property_lookup_blob(dev, blob_id); + if (!new_blob) + return -EINVAL; + + if (expected_size > 0 && + new_blob->length != expected_size) { + drm_property_blob_put(new_blob); + return -EINVAL; + } + if (expected_elem_size > 0 && + new_blob->length % expected_elem_size != 0) { + drm_property_blob_put(new_blob); + return -EINVAL; + } + } + + *replaced |= drm_property_replace_blob(blob, new_blob); + drm_property_blob_put(new_blob); + + return 0; +} + +static int intel_crtc_set_property(struct drm_crtc *crtc, + struct drm_crtc_state *state, + struct drm_property *property, + u64 val) +{ + struct drm_i915_private *i915 = to_i915(crtc->dev); + struct intel_crtc_state *intel_crtc_state = + to_intel_crtc_state(state); + struct intel_crtc *intel_crtc = to_intel_crtc(crtc); + bool replaced = false; + + if (property == intel_crtc->histogram_en_property) { + intel_crtc_state->histogram_en = val; + intel_crtc_state->histogram_en_changed = true; + return 0; + } + + if (property == intel_crtc->global_iet_property) { + intel_atomic_replace_property_blob_from_id(crtc->dev, + &intel_crtc_state->global_iet, + val, + sizeof(uint32_t) * HISTOGRAM_IET_LENGTH, + -1, &replaced); + if (replaced) + intel_crtc_state->global_iet_changed = true; + return 0; + } + + drm_dbg_atomic(&i915->drm, "Unknown property [PROP:%d:%s]\n", + property->base.id, property->name); + return -EINVAL; +} + #define INTEL_CRTC_FUNCS \ .set_config = drm_atomic_helper_set_config, \ .destroy = intel_crtc_destroy, \ @@ -229,7 +326,9 @@ static int intel_crtc_late_register(struct drm_crtc *crtc) .set_crc_source = intel_crtc_set_crc_source, \ .verify_crc_source = intel_crtc_verify_crc_source, \ .get_crc_sources = intel_crtc_get_crc_sources, \ - .late_register = intel_crtc_late_register + .late_register = intel_crtc_late_register, \ + .atomic_set_property = intel_crtc_set_property, \ + .atomic_get_property = intel_crtc_get_property static const struct drm_crtc_funcs bdw_crtc_funcs = { INTEL_CRTC_FUNCS, @@ -374,6 +473,10 @@ int intel_crtc_init(struct drm_i915_private *dev_priv, enum pipe pipe) intel_color_crtc_init(crtc); intel_drrs_crtc_init(crtc); intel_crtc_crc_init(crtc); + intel_histogram_init(crtc); + + /* Initialize crtc properties */ + intel_crtc_add_property(crtc); cpu_latency_qos_add_request(&crtc->vblank_pm_qos, PM_QOS_DEFAULT_VALUE); @@ -690,3 +793,100 @@ void intel_pipe_update_end(struct intel_atomic_state *state, out: intel_psr_unlock(new_crtc_state); } + +static const struct drm_prop_enum_list histogram_en_names[] = { + { INTEL_HISTOGRAM_DISABLE, "Disable" }, + { INTEL_HISTOGRAM_ENABLE, "Enable" }, +}; + +/** + * intel_attach_histogram_en_property() - add property to enable/disable histogram + * @intel_crtc: pointer to the struct intel_crtc on which the global histogram is to + * be enabled/disabled + * + * "HISTOGRAM_EN" is the crtc propety to enable/disable global histogram + */ +void intel_attach_histogram_en_property(struct intel_crtc *intel_crtc) +{ + struct drm_crtc *crtc = &intel_crtc->base; + struct drm_device *dev = crtc->dev; + struct drm_property *prop; + + prop = intel_crtc->histogram_en_property; + if (!prop) { + prop = drm_property_create_enum(dev, 0, + "HISTOGRAM_EN", + histogram_en_names, + ARRAY_SIZE(histogram_en_names)); + if (!prop) + return; + + intel_crtc->histogram_en_property = prop; + } + + drm_object_attach_property(&crtc->base, prop, 0); +} + +/** + * intel_attach_global_iet_property() - add property to write Image Enhancement data + * @intel_crtc: pointer to the struct intel_crtc on which global histogram is enabled + * + * "Global IET" is the crtc property to write the Image Enhancement LUT binary data + */ +void intel_attach_global_iet_property(struct intel_crtc *intel_crtc) +{ + struct drm_crtc *crtc = &intel_crtc->base; + struct drm_device *dev = crtc->dev; + struct drm_property *prop; + + prop = intel_crtc->global_iet_property; + if (!prop) { + prop = drm_property_create(dev, DRM_MODE_PROP_BLOB | DRM_MODE_PROP_ATOMIC, + "Global IET", 0); + if (!prop) + return; + + intel_crtc->global_iet_property = prop; + } + + drm_object_attach_property(&crtc->base, prop, 0); +} + +/** + * intel_attach_histogram_property() - crtc property to read the histogram. + * @intel_crtc: pointer to the struct intel_crtc on which the global histogram + * was enabled. + * "Global Histogram" is the crtc property to read the binary histogram data. + */ +void intel_attach_histogram_property(struct intel_crtc *intel_crtc) +{ + struct drm_crtc *crtc = &intel_crtc->base; + struct drm_device *dev = crtc->dev; + struct drm_property *prop; + struct drm_property_blob *blob; + + prop = intel_crtc->histogram_property; + if (!prop) { + prop = drm_property_create(dev, DRM_MODE_PROP_BLOB | + DRM_MODE_PROP_ATOMIC | + DRM_MODE_PROP_IMMUTABLE, + "Global Histogram", 0); + if (!prop) + return; + + intel_crtc->histogram_property = prop; + } + blob = drm_property_create_blob(dev, sizeof(uint32_t) * HISTOGRAM_BIN_COUNT, NULL); + intel_crtc->config->histogram = blob; + + drm_object_attach_property(&crtc->base, prop, blob->base.id); +} + +int intel_crtc_add_property(struct intel_crtc *intel_crtc) +{ + intel_attach_histogram_en_property(intel_crtc); + intel_attach_histogram_property(intel_crtc); + intel_attach_global_iet_property(intel_crtc); + + return 0; +} diff --git a/drivers/gpu/drm/i915/display/intel_crtc.h b/drivers/gpu/drm/i915/display/intel_crtc.h index b615b7ab5ccd..56c6b7c6037e 100644 --- a/drivers/gpu/drm/i915/display/intel_crtc.h +++ b/drivers/gpu/drm/i915/display/intel_crtc.h @@ -7,6 +7,7 @@ #define _INTEL_CRTC_H_ #include +#include enum i9xx_plane_id; enum pipe; @@ -49,4 +50,8 @@ void intel_wait_for_vblank_if_active(struct drm_i915_private *i915, enum pipe pipe); void intel_crtc_wait_for_next_vblank(struct intel_crtc *crtc); +int intel_crtc_add_property(struct intel_crtc *intel_crtc); +void intel_attach_histogram_en_property(struct intel_crtc *intel_crtc); +void intel_attach_global_iet_property(struct intel_crtc *intel_crtc); +void intel_attach_histogram_property(struct intel_crtc *intel_crtc); #endif diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 9f2a4a854548..20caa952d687 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -94,6 +94,7 @@ #include "intel_fifo_underrun.h" #include "intel_frontbuffer.h" #include "intel_hdmi.h" +#include "intel_histogram.h" #include "intel_hotplug.h" #include "intel_link_bw.h" #include "intel_lvds.h" @@ -4335,6 +4336,10 @@ static int intel_crtc_atomic_check(struct intel_atomic_state *state, if (ret) return ret; + /* HISTOGRAM changed */ + if (crtc_state->histogram_en_changed) + return intel_histogram_atomic_check(crtc); + return 0; } @@ -7512,6 +7517,14 @@ static void intel_atomic_commit_tail(struct intel_atomic_state *state) * FIXME get rid of this funny new->old swapping */ old_crtc_state->dsb = fetch_and_zero(&new_crtc_state->dsb); + + /* Re-Visit: HISTOGRAM related stuff */ + if (new_crtc_state->histogram_en_changed) + intel_histogram_update(crtc, + new_crtc_state->histogram_en); + if (new_crtc_state->global_iet_changed) + intel_histogram_set_iet_lut(crtc, + (u32 *)new_crtc_state->global_iet->data); } /* Underruns don't always raise interrupts, so check manually */ diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h index 79d34d6d537d..ddf1cb0ab26d 100644 --- a/drivers/gpu/drm/i915/display/intel_display_types.h +++ b/drivers/gpu/drm/i915/display/intel_display_types.h @@ -99,6 +99,12 @@ enum intel_broadcast_rgb { INTEL_BROADCAST_RGB_LIMITED, }; +/* HISTOGRAM property */ +enum intel_histogram_en_prop { + INTEL_HISTOGRAM_PROP_DISABLE, + INTEL_HISTOGRAM_PROP_ENABLE, +}; + struct intel_fb_view { /* * The remap information used in the remapped and rotated views to @@ -1431,6 +1437,13 @@ struct intel_crtc_state { /* LOBF flag */ bool has_lobf; + + /* HISTOGRAM data */ + int histogram_en; + struct drm_property_blob *global_iet; + struct drm_property_blob *histogram; + bool global_iet_changed; + bool histogram_en_changed; }; enum intel_pipe_crc_source { @@ -1538,6 +1551,10 @@ struct intel_crtc { struct pm_qos_request vblank_pm_qos; struct intel_histogram *histogram; + /* HISTOGRAM properties */ + struct drm_property *histogram_en_property; + struct drm_property *global_iet_property; + struct drm_property *histogram_property; #ifdef CONFIG_DEBUG_FS struct intel_pipe_crc pipe_crc; diff --git a/drivers/gpu/drm/i915/display/intel_histogram.c b/drivers/gpu/drm/i915/display/intel_histogram.c index 83ba826a7a89..ad4f75607ccb 100644 --- a/drivers/gpu/drm/i915/display/intel_histogram.c +++ b/drivers/gpu/drm/i915/display/intel_histogram.c @@ -66,6 +66,12 @@ static void intel_histogram_handle_int_work(struct work_struct *work) i, histogram->bindata[i]); } + drm_property_replace_global_blob(&i915->drm, + &intel_crtc->config->histogram, + sizeof(histogram->bindata), + histogram->bindata, &intel_crtc->base.base, + intel_crtc->histogram_property); + /* Notify user for Histogram rediness */ if (kobject_uevent_env(&i915->drm.primary->kdev->kobj, KOBJ_CHANGE, histogram_event)) @@ -193,6 +199,7 @@ static void intel_histogram_disable(struct intel_crtc *intel_crtc) cancel_delayed_work(&histogram->handle_histogram_int_work); histogram->enable = false; + intel_crtc->config->histogram_en = false; } int intel_histogram_update(struct intel_crtc *intel_crtc, bool enable)