From patchwork Tue Nov 12 18:34:12 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Thomas_Wei=C3=9Fschuh?= X-Patchwork-Id: 13872822 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 1A222D32D81 for ; Tue, 12 Nov 2024 18:34:19 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 8CDD810E61D; Tue, 12 Nov 2024 18:34:18 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (1024-bit key; unprotected) header.d=weissschuh.net header.i=@weissschuh.net header.b="UxhbOJvi"; dkim-atps=neutral Received: from todd.t-8ch.de (todd.t-8ch.de [159.69.126.157]) by gabe.freedesktop.org (Postfix) with ESMTPS id 864E110E626; Tue, 12 Nov 2024 18:34:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=weissschuh.net; s=mail; t=1731436454; bh=D8AJIQ5upY8eIDK7kgKoJ9mXt4n5iLxc9GyefKFO1as=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=UxhbOJvinHsBreT0MEYShJ55mYn+jd99g2DRDSjfb6fxmT8DfkrFhLpH73JdvrCMA AbaoNK9KVj499S4vpkSsqXYqTVlRnK+mFsbTRqHSULd/lvD7sKYI5d6yGciPAzybB/ pKvTf7X3/5i666nKw8/lT/KDdpLT6N3Xcu7Gypmo= From: =?utf-8?q?Thomas_Wei=C3=9Fschuh?= Date: Tue, 12 Nov 2024 19:34:12 +0100 Subject: [PATCH v2 3/7] drm/amd/display: Use struct edid in dc_link_add_remote_sink() MIME-Version: 1.0 Message-Id: <20241112-amdgpu-drm_edid-v2-3-1399dc0f0469@weissschuh.net> References: <20241112-amdgpu-drm_edid-v2-0-1399dc0f0469@weissschuh.net> In-Reply-To: <20241112-amdgpu-drm_edid-v2-0-1399dc0f0469@weissschuh.net> To: Harry Wentland , Leo Li , Rodrigo Siqueira , Alex Deucher , =?utf-8?q?Christian_K=C3=B6nig?= , Xinhui Pan , David Airlie , jinzh , Aric Cyr , Alan Liu , Tony Cheng , Andrey Grodzovsky , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Simona Vetter Cc: amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Harry Wentland , Melissa Wen , =?utf-8?q?Thomas_Wei=C3=9Fschuh?= X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1731436454; l=6543; i=linux@weissschuh.net; s=20221212; h=from:subject:message-id; bh=D8AJIQ5upY8eIDK7kgKoJ9mXt4n5iLxc9GyefKFO1as=; b=p/EST7Fq9ZNgbLgF5pH1TNbVBowHlwlxeYHEDfTxcPgmBxwqUgl0Na1cQWg9vWVvm48ykZBgN /OKKLuJm1IDC4osAHQs6VcDWZZsn0sV+nsMS2COUquCMA+8BURaUx6U X-Developer-Key: i=linux@weissschuh.net; a=ed25519; pk=KcycQgFPX2wGR5azS7RhpBqedglOZVgRPfdFSPB1LNw= 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 callers of dc_link_add_remote_sink() are using 'struct edid' which they all need to cast to uint8_t *. Allow the direct passing of 'struct edid' to avoid these cast and also move the length calculation so it does not need to be duplicated everywhere. Signed-off-by: Thomas Weißschuh --- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 3 +-- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c | 4 +--- drivers/gpu/drm/amd/display/dc/core/dc_link_exports.c | 5 ++--- drivers/gpu/drm/amd/display/dc/dc.h | 6 ++---- drivers/gpu/drm/amd/display/dc/inc/link.h | 3 +-- drivers/gpu/drm/amd/display/dc/link/link_detection.c | 6 ++++-- drivers/gpu/drm/amd/display/dc/link/link_detection.h | 3 +-- 7 files changed, 12 insertions(+), 18 deletions(-) diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index f0a6816709ca7dad6415d16f9806f18065026cf7..4a093aff4499add545f7beb654ace477036b46fb 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -7242,8 +7242,7 @@ static void create_eml_sink(struct amdgpu_dm_connector *aconnector) edid = drm_edid_raw(drm_edid); // FIXME: Get rid of drm_edid_raw() aconnector->dc_em_sink = dc_link_add_remote_sink( aconnector->dc_link, - (uint8_t *)edid, - (edid->extensions + 1) * EDID_LENGTH, + edid, &init_params); if (aconnector->base.force == DRM_FORCE_ON) { diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c index 6e43594906130c1cbea3e510e87d2013903b1bb5..554cc7a7216858ff10e138bf71ab826aa635afe8 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c @@ -327,7 +327,6 @@ static int dm_dp_mst_get_modes(struct drm_connector *connector) dc_sink = dc_link_add_remote_sink( aconnector->dc_link, NULL, - 0, &init_params); if (!dc_sink) { @@ -367,8 +366,7 @@ static int dm_dp_mst_get_modes(struct drm_connector *connector) edid = drm_edid_raw(aconnector->drm_edid); // FIXME: Get rid of drm_edid_raw() dc_sink = dc_link_add_remote_sink( aconnector->dc_link, - (uint8_t *)edid, - (edid->extensions + 1) * EDID_LENGTH, + edid, &init_params); if (!dc_sink) { diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_exports.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_exports.c index 457d60eeb486c228fde050b206fbe1c9043cdd33..be55165a16df65c623092906582ba7e81a141464 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_exports.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_exports.c @@ -266,11 +266,10 @@ unsigned int dc_dp_trace_get_link_loss_count(struct dc_link *link) struct dc_sink *dc_link_add_remote_sink( struct dc_link *link, - const uint8_t *edid, - int len, + const struct edid *edid, struct dc_sink_init_data *init_data) { - return link->dc->link_srv->add_remote_sink(link, edid, len, init_data); + return link->dc->link_srv->add_remote_sink(link, edid, init_data); } void dc_link_remove_remote_sink(struct dc_link *link, struct dc_sink *sink) diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h index e143fab00a861c4f578167702c648d2b4b043945..7d5c790cab50987f361e1b4228562483a0f908f9 100644 --- a/drivers/gpu/drm/amd/display/dc/dc.h +++ b/drivers/gpu/drm/amd/display/dc/dc.h @@ -1846,14 +1846,12 @@ struct dc_sink_init_data; * called. * * @dc_link - link the remote sink will be added to. - * @edid - byte array of EDID raw data. - * @len - size of the edid in byte + * @edid - EDID data. * @init_data - */ struct dc_sink *dc_link_add_remote_sink( struct dc_link *dc_link, - const uint8_t *edid, - int len, + const struct edid *edid, struct dc_sink_init_data *init_data); /* Remove remote sink from a link with dc_connection_mst_branch connection type. diff --git a/drivers/gpu/drm/amd/display/dc/inc/link.h b/drivers/gpu/drm/amd/display/dc/inc/link.h index f04292086c08a081fce8e780c584a0ce66668f12..76bac2e773b0f5036b82942ed90b9c43c6558d4c 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/link.h +++ b/drivers/gpu/drm/amd/display/dc/inc/link.h @@ -109,8 +109,7 @@ struct link_service { enum dc_connection_type *type); struct dc_sink *(*add_remote_sink)( struct dc_link *link, - const uint8_t *edid, - int len, + const struct edid *edid, struct dc_sink_init_data *init_data); void (*remove_remote_sink)(struct dc_link *link, struct dc_sink *sink); bool (*get_hpd_state)(struct dc_link *link); diff --git a/drivers/gpu/drm/amd/display/dc/link/link_detection.c b/drivers/gpu/drm/amd/display/dc/link/link_detection.c index e026c728042a5f47decbc3e7c80583c0d31fa700..05adaf8248b1b11675aa9e86a24fa24a2a811e01 100644 --- a/drivers/gpu/drm/amd/display/dc/link/link_detection.c +++ b/drivers/gpu/drm/amd/display/dc/link/link_detection.c @@ -48,6 +48,8 @@ #include "dm_helpers.h" #include "clk_mgr.h" +#include + // Offset DPCD 050Eh == 0x5A #define MST_HUB_ID_0x5A 0x5A @@ -1390,10 +1392,10 @@ static bool link_add_remote_sink_helper(struct dc_link *dc_link, struct dc_sink struct dc_sink *link_add_remote_sink( struct dc_link *link, - const uint8_t *edid, - int len, + const struct edid *edid, struct dc_sink_init_data *init_data) { + int len = edid ? (edid->extensions + 1) * EDID_LENGTH : 0; struct dc_sink *dc_sink; enum dc_edid_status edid_status; diff --git a/drivers/gpu/drm/amd/display/dc/link/link_detection.h b/drivers/gpu/drm/amd/display/dc/link/link_detection.h index 7da05078721ef4d9a2e10c52da4eb30510d9c160..dec5001411be2c008c8684f474b020bf78278442 100644 --- a/drivers/gpu/drm/amd/display/dc/link/link_detection.h +++ b/drivers/gpu/drm/amd/display/dc/link/link_detection.h @@ -31,8 +31,7 @@ bool link_detect_connection_type(struct dc_link *link, enum dc_connection_type *type); struct dc_sink *link_add_remote_sink( struct dc_link *link, - const uint8_t *edid, - int len, + const struct edid *edid, struct dc_sink_init_data *init_data); void link_remove_remote_sink(struct dc_link *link, struct dc_sink *sink); bool link_reset_cur_dp_mst_topology(struct dc_link *link);