From patchwork Tue May 23 22:14:46 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Melissa Wen X-Patchwork-Id: 13253060 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 06571C7EE26 for ; Tue, 23 May 2023 22:15:42 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 6164710E128; Tue, 23 May 2023 22:15:31 +0000 (UTC) Received: from fanzine2.igalia.com (fanzine2.igalia.com [213.97.179.56]) by gabe.freedesktop.org (Postfix) with ESMTPS id F188310E128; Tue, 23 May 2023 22:15:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=igalia.com; s=20170329; h=Content-Transfer-Encoding:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=a6S5xPK5q14B4EV0Dn3XzqmnKr4OdAESLO61Vpasp5Y=; b=nP0jT+LjTDry8Xu9+T/+V+z3rA KbZET0lLMUXxgk01ek+JS8rlj0tbff5nVWgvRtAiB/+C74ex5WLKKcJm76xSIQ7t1srqPrhAZULgi o3PLZWIs2keTBQf+hx9WsoELUqh/Z7U7/LnSPopr+DBFfHqobU13dw9QliA7Q6ZZRljRoVUMvNi1H YPDEL/o2GhYlmZ82uxqM/RmzRcJwCOgI5Hjrni0noLmeINzB/9bv4DWM+5Bq/QEOu/0nS4o22vNT5 5WPAHkG34iTGvfGbafdmipcxOm816TB4kWblVnr9ccjWaRg0n9184X1nYONTEmaVHQ0GoGnhrxcrI 7k2gxJDA==; Received: from [38.44.72.37] (helo=killbill.home) by fanzine2.igalia.com with esmtpsa (Cipher TLS1.3:ECDHE_X25519__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim) id 1q1aHt-00HEOv-W2; Wed, 24 May 2023 00:15:26 +0200 From: Melissa Wen To: amd-gfx@lists.freedesktop.org, Harry Wentland , Rodrigo Siqueira , sunpeng.li@amd.com, Alex Deucher , dri-devel@lists.freedesktop.org, liviu.dudau@arm.com, brian.starkey@arm.com, airlied@gmail.com, daniel@ffwll.ch, maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de Subject: [PATCH 02/36] drm/drm_property: make replace_property_blob_from_id a DRM helper Date: Tue, 23 May 2023 21:14:46 -0100 Message-Id: <20230523221520.3115570-3-mwen@igalia.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230523221520.3115570-1-mwen@igalia.com> References: <20230523221520.3115570-1-mwen@igalia.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: , Cc: Sebastian Wick , Pekka Paalanen , Shashank Sharma , Alex Hung , Xaver Hugl , kernel-dev@igalia.com, Nicholas Kazlauskas , Joshua Ashton , sungjoon.kim@amd.com Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Place it in drm_property where drm_property_replace_blob and drm_property_lookup_blob live. Then we can use the DRM helper for driver-specific KMS properties too. Signed-off-by: Melissa Wen Reviewed-by: Liviu Dudau --- drivers/gpu/drm/arm/malidp_crtc.c | 2 +- drivers/gpu/drm/drm_atomic_uapi.c | 43 ++++----------------------- drivers/gpu/drm/drm_property.c | 49 +++++++++++++++++++++++++++++++ include/drm/drm_property.h | 6 ++++ 4 files changed, 61 insertions(+), 39 deletions(-) diff --git a/drivers/gpu/drm/arm/malidp_crtc.c b/drivers/gpu/drm/arm/malidp_crtc.c index dc01c43f6193..d72c22dcf685 100644 --- a/drivers/gpu/drm/arm/malidp_crtc.c +++ b/drivers/gpu/drm/arm/malidp_crtc.c @@ -221,7 +221,7 @@ static int malidp_crtc_atomic_check_ctm(struct drm_crtc *crtc, /* * The size of the ctm is checked in - * drm_atomic_replace_property_blob_from_id. + * drm_property_replace_blob_from_id. */ ctm = (struct drm_color_ctm *)state->ctm->data; for (i = 0; i < ARRAY_SIZE(ctm->matrix); ++i) { diff --git a/drivers/gpu/drm/drm_atomic_uapi.c b/drivers/gpu/drm/drm_atomic_uapi.c index c06d0639d552..b76d50ae244c 100644 --- a/drivers/gpu/drm/drm_atomic_uapi.c +++ b/drivers/gpu/drm/drm_atomic_uapi.c @@ -362,39 +362,6 @@ static s32 __user *get_out_fence_for_connector(struct drm_atomic_state *state, return fence_ptr; } -static int -drm_atomic_replace_property_blob_from_id(struct drm_device *dev, - struct drm_property_blob **blob, - uint64_t 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 == NULL) - 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 drm_atomic_crtc_set_property(struct drm_crtc *crtc, struct drm_crtc_state *state, struct drm_property *property, uint64_t val) @@ -415,7 +382,7 @@ static int drm_atomic_crtc_set_property(struct drm_crtc *crtc, } else if (property == config->prop_vrr_enabled) { state->vrr_enabled = val; } else if (property == config->degamma_lut_property) { - ret = drm_atomic_replace_property_blob_from_id(dev, + ret = drm_property_replace_blob_from_id(dev, &state->degamma_lut, val, -1, sizeof(struct drm_color_lut), @@ -423,7 +390,7 @@ static int drm_atomic_crtc_set_property(struct drm_crtc *crtc, state->color_mgmt_changed |= replaced; return ret; } else if (property == config->ctm_property) { - ret = drm_atomic_replace_property_blob_from_id(dev, + ret = drm_property_replace_blob_from_id(dev, &state->ctm, val, sizeof(struct drm_color_ctm), -1, @@ -431,7 +398,7 @@ static int drm_atomic_crtc_set_property(struct drm_crtc *crtc, state->color_mgmt_changed |= replaced; return ret; } else if (property == config->gamma_lut_property) { - ret = drm_atomic_replace_property_blob_from_id(dev, + ret = drm_property_replace_blob_from_id(dev, &state->gamma_lut, val, -1, sizeof(struct drm_color_lut), @@ -563,7 +530,7 @@ static int drm_atomic_plane_set_property(struct drm_plane *plane, } else if (property == plane->color_range_property) { state->color_range = val; } else if (property == config->prop_fb_damage_clips) { - ret = drm_atomic_replace_property_blob_from_id(dev, + ret = drm_property_replace_blob_from_id(dev, &state->fb_damage_clips, val, -1, @@ -727,7 +694,7 @@ static int drm_atomic_connector_set_property(struct drm_connector *connector, if (state->link_status != DRM_LINK_STATUS_GOOD) state->link_status = val; } else if (property == config->hdr_output_metadata_property) { - ret = drm_atomic_replace_property_blob_from_id(dev, + ret = drm_property_replace_blob_from_id(dev, &state->hdr_output_metadata, val, sizeof(struct hdr_output_metadata), -1, diff --git a/drivers/gpu/drm/drm_property.c b/drivers/gpu/drm/drm_property.c index dfec479830e4..f72ef6493340 100644 --- a/drivers/gpu/drm/drm_property.c +++ b/drivers/gpu/drm/drm_property.c @@ -751,6 +751,55 @@ bool drm_property_replace_blob(struct drm_property_blob **blob, } EXPORT_SYMBOL(drm_property_replace_blob); +/** + * drm_property_replace_blob_from_id - replace a blob property taking a reference + * @dev: DRM device + * @blob: a pointer to the member blob to be replaced + * @blob_id: the id of the new blob to replace with + * @expected_size: expected size of the blob property + * @expected_elem_size: expected size of an element in the blob property + * @replaced: if the blob was in fact replaced + * + * Look up the new blob from id, take its reference, check expected sizes of + * the blob and its element and replace the old blob by the new one. Advertise + * if the replacement operation was successful. + * + * Return: true if the blob was in fact replaced. -EINVAL if the new blob was + * not found or sizes don't match. + */ +int drm_property_replace_blob_from_id(struct drm_device *dev, + struct drm_property_blob **blob, + uint64_t 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 == NULL) + 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; +} +EXPORT_SYMBOL(drm_property_replace_blob_from_id); + int drm_mode_getblob_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv) { diff --git a/include/drm/drm_property.h b/include/drm/drm_property.h index 65bc9710a470..082f29156b3e 100644 --- a/include/drm/drm_property.h +++ b/include/drm/drm_property.h @@ -279,6 +279,12 @@ struct drm_property_blob *drm_property_create_blob(struct drm_device *dev, const void *data); struct drm_property_blob *drm_property_lookup_blob(struct drm_device *dev, uint32_t id); +int drm_property_replace_blob_from_id(struct drm_device *dev, + struct drm_property_blob **blob, + uint64_t blob_id, + ssize_t expected_size, + ssize_t expected_elem_size, + bool *replaced); int drm_property_replace_global_blob(struct drm_device *dev, struct drm_property_blob **replace, size_t length,