From patchwork Wed Mar 27 21:44:04 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Melissa Wen X-Patchwork-Id: 13607526 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 3EFBBC47DD9 for ; Wed, 27 Mar 2024 21:50:29 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 8EFE11120A7; Wed, 27 Mar 2024 21:50:28 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=igalia.com header.i=@igalia.com header.b="IMX+UUlw"; dkim-atps=neutral Received: from fanzine2.igalia.com (fanzine2.igalia.com [213.97.179.56]) by gabe.freedesktop.org (Postfix) with ESMTPS id F22501120AA; Wed, 27 Mar 2024 21:50:24 +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=e3/mwZTfc69dwX7xdJvifXY52oJmn7EtGZI0e9uoi84=; b=IMX+UUlwtx1BRHZRShGJ/KCzUc f4ijHJg01kipBbZMqfFUmJMdu0kFt7pPUmSwqq98nHn2TzalocAO+Jc8HDZD8F5Jxnwnx6+IqRmF5 14fGobUQLIZyk9aJvtrfj1d4AcjUqEgDGAvksv/e9ROVwLhvgkzsVMYjslHNwKWi99zqsgU1M4Dpd 9LjTSILAs0QzEbSvmOMFwEBKN8Q4a2TLX3HiuIyGhiiicEfUy4JdPB6L3zaFM5MZkSwf357asOf47 1QA+cE+6ZnQuw9VUJg2+Rr8loJQQ2yB1dZM0o5NY1DnP0i7rukYBJX1JgDyHqKzTYLfxpG8QOsRua b5qcGIDA==; Received: from [189.6.17.125] (helo=killbill.home) by fanzine2.igalia.com with esmtpsa (Cipher TLS1.3:ECDHE_X25519__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim) id 1rpbA2-00G1qx-96; Wed, 27 Mar 2024 22:50:19 +0100 From: Melissa Wen To: Harry Wentland , Alex Deucher , Leo Li , Rodrigo Siqueira , christian.koenig@amd.com, Xinhui.Pan@amd.com, Alex Hung , Mario Limonciello , airlied@gmail.com, daniel@ffwll.ch Cc: Jani Nikula , amd-gfx@lists.freedesktop.org, kernel-dev@igalia.com, dri-devel@lists.freedesktop.org Subject: [RFC PATCH v3 3/6] drm/amd/display: switch amdgpu_dm_connector to use struct drm_edid Date: Wed, 27 Mar 2024 18:44:04 -0300 Message-ID: <20240327214953.367126-4-mwen@igalia.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240327214953.367126-1-mwen@igalia.com> References: <20240327214953.367126-1-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: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Replace raw edid handling (struct edid) with the opaque EDID type (struct drm_edid) on amdgpu_dm_connector for consistency. It may also prevent mismatch of approaches in different parts of the driver code. Working in progress. It was only exercised with IGT tests. v2: use const to fix warnings (Alex Hung) v3: fix general protection fault on mst Signed-off-by: Melissa Wen --- .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 99 +++++++++---------- .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h | 4 +- .../amd/display/amdgpu_dm/amdgpu_dm_helpers.c | 8 +- .../display/amdgpu_dm/amdgpu_dm_mst_types.c | 24 ++--- 4 files changed, 67 insertions(+), 68 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 280562707cd0..bbbf9c9d40d5 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -3269,18 +3269,19 @@ void amdgpu_dm_update_connector_after_detect( aconnector->dc_sink = sink; dc_sink_retain(aconnector->dc_sink); if (sink->dc_edid.length == 0) { - aconnector->edid = NULL; + drm_edid_free(aconnector->edid); if (aconnector->dc_link->aux_mode) { drm_dp_cec_unset_edid( &aconnector->dm_dp_aux.aux); } } else { - aconnector->edid = - (struct edid *)sink->dc_edid.raw_edid; + const struct edid *edid = (const struct edid *)sink->dc_edid.raw_edid; + aconnector->edid = drm_edid_alloc(edid, sink->dc_edid.length); + /* FIXME: Get rid of drm_edid_raw() */ if (aconnector->dc_link->aux_mode) drm_dp_cec_set_edid(&aconnector->dm_dp_aux.aux, - aconnector->edid); + drm_edid_raw(aconnector->edid)); } if (!aconnector->timing_requested) { @@ -3291,17 +3292,17 @@ void amdgpu_dm_update_connector_after_detect( "failed to create aconnector->requested_timing\n"); } - drm_connector_update_edid_property(connector, aconnector->edid); + drm_edid_connector_update(connector, aconnector->edid); amdgpu_dm_update_freesync_caps(connector, aconnector->edid); update_connector_ext_caps(aconnector); } else { drm_dp_cec_unset_edid(&aconnector->dm_dp_aux.aux); amdgpu_dm_update_freesync_caps(connector, NULL); - drm_connector_update_edid_property(connector, NULL); + drm_edid_connector_update(connector, NULL); aconnector->num_modes = 0; dc_sink_release(aconnector->dc_sink); aconnector->dc_sink = NULL; - aconnector->edid = NULL; + drm_edid_free(aconnector->edid); kfree(aconnector->timing_requested); aconnector->timing_requested = NULL; /* Set CP to DESIRED if it was ENABLED, so we can re-enable it again on hotplug */ @@ -6661,13 +6662,7 @@ static void amdgpu_dm_connector_funcs_force(struct drm_connector *connector) struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector); struct dc_link *dc_link = aconnector->dc_link; struct dc_sink *dc_em_sink = aconnector->dc_em_sink; - struct edid *edid; - struct i2c_adapter *ddc; - - if (dc_link && dc_link->aux_mode) - ddc = &aconnector->dm_dp_aux.aux.ddc; - else - ddc = &aconnector->i2c->base; + const struct drm_edid *drm_edid; /* * Note: drm_get_edid gets edid in the following order: @@ -6675,18 +6670,20 @@ static void amdgpu_dm_connector_funcs_force(struct drm_connector *connector) * 2) firmware EDID if set via edid_firmware module parameter * 3) regular DDC read. */ - edid = drm_get_edid(connector, ddc); - if (!edid) { + drm_edid = drm_edid_read(connector); + + if (!drm_edid) { DRM_ERROR("No EDID found on connector: %s.\n", connector->name); return; } - - aconnector->edid = edid; - + aconnector->edid = drm_edid; + drm_edid_connector_update(connector, drm_edid); /* Update emulated (virtual) sink's EDID */ if (dc_em_sink && dc_link) { + const struct edid *edid = drm_edid_raw(drm_edid); // FIXME: Get rid of drm_edid_raw() + memset(&dc_em_sink->edid_caps, 0, sizeof(struct dc_edid_caps)); - memmove(dc_em_sink->dc_edid.raw_edid, edid, (edid->extensions + 1) * EDID_LENGTH); + memmove(dc_em_sink->dc_edid.raw_edid, (uint8_t *)edid, (edid->extensions + 1) * EDID_LENGTH); dm_helpers_parse_edid_caps( dc_link, &dc_em_sink->dc_edid, @@ -6716,18 +6713,12 @@ static int get_modes(struct drm_connector *connector) static void create_eml_sink(struct amdgpu_dm_connector *aconnector) { struct drm_connector *connector = &aconnector->base; - struct dc_link *dc_link = aconnector->dc_link; struct dc_sink_init_data init_params = { .link = aconnector->dc_link, .sink_signal = SIGNAL_TYPE_VIRTUAL }; - struct edid *edid; - struct i2c_adapter *ddc; - - if (dc_link->aux_mode) - ddc = &aconnector->dm_dp_aux.aux.ddc; - else - ddc = &aconnector->i2c->base; + const struct drm_edid *drm_edid; + const struct edid *edid; /* * Note: drm_get_edid gets edid in the following order: @@ -6735,17 +6726,19 @@ static void create_eml_sink(struct amdgpu_dm_connector *aconnector) * 2) firmware EDID if set via edid_firmware module parameter * 3) regular DDC read. */ - edid = drm_get_edid(connector, ddc); - if (!edid) { + drm_edid = drm_edid_read(connector); + if (!drm_edid) { DRM_ERROR("No EDID found on connector: %s.\n", connector->name); return; } - if (drm_detect_hdmi_monitor(edid)) + if (connector->display_info.is_hdmi) init_params.sink_signal = SIGNAL_TYPE_HDMI_TYPE_A; - aconnector->edid = edid; + aconnector->edid = drm_edid; + drm_edid_connector_update(connector, drm_edid); + 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, @@ -7428,16 +7421,16 @@ static void amdgpu_set_panel_orientation(struct drm_connector *connector) } static void amdgpu_dm_connector_ddc_get_modes(struct drm_connector *connector, - struct edid *edid) + const struct drm_edid *drm_edid) { struct amdgpu_dm_connector *amdgpu_dm_connector = to_amdgpu_dm_connector(connector); - if (edid) { + if (drm_edid) { /* empty probed_modes */ INIT_LIST_HEAD(&connector->probed_modes); amdgpu_dm_connector->num_modes = - drm_add_edid_modes(connector, edid); + drm_edid_connector_add_modes(connector); /* sorting the probed modes before calling function * amdgpu_dm_get_native_mode() since EDID can have @@ -7451,10 +7444,10 @@ static void amdgpu_dm_connector_ddc_get_modes(struct drm_connector *connector, amdgpu_dm_get_native_mode(connector); /* Freesync capabilities are reset by calling - * drm_add_edid_modes() and need to be + * drm_edid_connector_add_modes() and need to be * restored here. */ - amdgpu_dm_update_freesync_caps(connector, edid); + amdgpu_dm_update_freesync_caps(connector, drm_edid); } else { amdgpu_dm_connector->num_modes = 0; } @@ -7550,12 +7543,12 @@ static uint add_fs_modes(struct amdgpu_dm_connector *aconnector) } static void amdgpu_dm_connector_add_freesync_modes(struct drm_connector *connector, - struct edid *edid) + const struct drm_edid *drm_edid) { struct amdgpu_dm_connector *amdgpu_dm_connector = to_amdgpu_dm_connector(connector); - if (!(amdgpu_freesync_vid_mode && edid)) + if (!(amdgpu_freesync_vid_mode && drm_edid)) return; if (amdgpu_dm_connector->max_vfreq - amdgpu_dm_connector->min_vfreq > 10) @@ -7568,23 +7561,23 @@ static int amdgpu_dm_connector_get_modes(struct drm_connector *connector) struct amdgpu_dm_connector *amdgpu_dm_connector = to_amdgpu_dm_connector(connector); struct drm_encoder *encoder; - struct edid *edid = amdgpu_dm_connector->edid; + const struct drm_edid *drm_edid = amdgpu_dm_connector->edid; struct dc_link_settings *verified_link_cap = &amdgpu_dm_connector->dc_link->verified_link_cap; const struct dc *dc = amdgpu_dm_connector->dc_link->dc; encoder = amdgpu_dm_connector_to_encoder(connector); - if (!drm_edid_is_valid(edid)) { + if (!drm_edid_valid(drm_edid)) { amdgpu_dm_connector->num_modes = drm_add_modes_noedid(connector, 640, 480); if (dc->link_srv->dp_get_encoding_format(verified_link_cap) == DP_128b_132b_ENCODING) amdgpu_dm_connector->num_modes += drm_add_modes_noedid(connector, 1920, 1080); } else { - amdgpu_dm_connector_ddc_get_modes(connector, edid); + amdgpu_dm_connector_ddc_get_modes(connector, drm_edid); amdgpu_dm_connector_add_common_modes(encoder, connector); - amdgpu_dm_connector_add_freesync_modes(connector, edid); + amdgpu_dm_connector_add_freesync_modes(connector, drm_edid); } amdgpu_dm_fbc_init(connector); @@ -11153,7 +11146,7 @@ static bool parse_edid_cea(struct amdgpu_dm_connector *aconnector, } static int parse_amd_vsdb(struct amdgpu_dm_connector *aconnector, - struct edid *edid, struct amdgpu_hdmi_vsdb_info *vsdb_info) + const struct edid *edid, struct amdgpu_hdmi_vsdb_info *vsdb_info) { u8 *edid_ext = NULL; int i; @@ -11188,7 +11181,8 @@ static int parse_amd_vsdb(struct amdgpu_dm_connector *aconnector, } static int parse_hdmi_amd_vsdb(struct amdgpu_dm_connector *aconnector, - struct edid *edid, struct amdgpu_hdmi_vsdb_info *vsdb_info) + const struct edid *edid, + struct amdgpu_hdmi_vsdb_info *vsdb_info) { u8 *edid_ext = NULL; int i; @@ -11230,19 +11224,19 @@ static int parse_hdmi_amd_vsdb(struct amdgpu_dm_connector *aconnector, * FreeSync parameters. */ void amdgpu_dm_update_freesync_caps(struct drm_connector *connector, - struct edid *edid) + const struct drm_edid *drm_edid) { int i = 0; - struct detailed_timing *timing; - struct detailed_non_pixel *data; - struct detailed_data_monitor_range *range; + const struct detailed_timing *timing; + const struct detailed_non_pixel *data; + const struct detailed_data_monitor_range *range; struct amdgpu_dm_connector *amdgpu_dm_connector = to_amdgpu_dm_connector(connector); struct dm_connector_state *dm_con_state = NULL; struct dc_sink *sink; - struct amdgpu_device *adev = drm_to_adev(connector->dev); struct amdgpu_hdmi_vsdb_info vsdb_info = {0}; + const struct edid *edid; bool freesync_capable = false; enum adaptive_sync_type as_type = ADAPTIVE_SYNC_TYPE_NONE; @@ -11255,7 +11249,7 @@ void amdgpu_dm_update_freesync_caps(struct drm_connector *connector, amdgpu_dm_connector->dc_sink : amdgpu_dm_connector->dc_em_sink; - if (!edid || !sink) { + if (!drm_edid || !sink) { dm_con_state = to_dm_connector_state(connector->state); amdgpu_dm_connector->min_vfreq = 0; @@ -11272,6 +11266,7 @@ void amdgpu_dm_update_freesync_caps(struct drm_connector *connector, if (!adev->dm.freesync_module) goto update; + edid = drm_edid_raw(drm_edid); // FIXME: Get rid of drm_edid_raw() if (edid && (sink->sink_signal == SIGNAL_TYPE_DISPLAY_PORT || sink->sink_signal == SIGNAL_TYPE_EDP)) { bool edid_check_required = false; @@ -11341,7 +11336,7 @@ void amdgpu_dm_update_freesync_caps(struct drm_connector *connector, amdgpu_dm_connector->as_type = ADAPTIVE_SYNC_TYPE_EDP; } - } else if (edid && sink->sink_signal == SIGNAL_TYPE_HDMI_TYPE_A) { + } else if (drm_edid && sink->sink_signal == SIGNAL_TYPE_HDMI_TYPE_A) { i = parse_hdmi_amd_vsdb(amdgpu_dm_connector, edid, &vsdb_info); if (i >= 0 && vsdb_info.freesync_supported) { amdgpu_dm_connector->min_vfreq = vsdb_info.min_refresh_rate_hz; diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h index 67647bb5999b..384f68203590 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h @@ -637,7 +637,7 @@ struct amdgpu_dm_connector { /* we need to mind the EDID between detect and get modes due to analog/digital/tvencoder */ - struct edid *edid; + const struct drm_edid *edid; /* shared with amdgpu */ struct amdgpu_hpd hpd; @@ -908,7 +908,7 @@ void dm_restore_drm_connector_state(struct drm_device *dev, struct drm_connector *connector); void amdgpu_dm_update_freesync_caps(struct drm_connector *connector, - struct edid *edid); + const struct drm_edid *drm_edid); void amdgpu_dm_trigger_timing_sync(struct drm_device *dev); diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c index c27063305a13..1a37dff9c2b6 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c @@ -901,7 +901,8 @@ enum dc_edid_status dm_helpers_read_local_edid( struct i2c_adapter *ddc; int retry = 3; enum dc_edid_status edid_status; - struct edid *edid; + const struct drm_edid *drm_edid; + const struct edid *edid; if (link->aux_mode) ddc = &aconnector->dm_dp_aux.aux.ddc; @@ -913,7 +914,8 @@ enum dc_edid_status dm_helpers_read_local_edid( */ do { - edid = drm_get_edid(&aconnector->base, ddc); + drm_edid = drm_edid_read_ddc(connector, ddc); + edid = drm_edid_raw(drm_edid); // FIXME: Get rid of drm_edid_raw() /* DP Compliance Test 4.2.2.6 */ if (link->aux_mode && connector->edid_corrupt) @@ -931,7 +933,7 @@ enum dc_edid_status dm_helpers_read_local_edid( memmove(sink->dc_edid.raw_edid, (uint8_t *)edid, sink->dc_edid.length); /* We don't need the original edid anymore */ - kfree(edid); + drm_edid_free(drm_edid); edid_status = dm_helpers_parse_edid_caps( link, 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 941e96f100f4..a28004f9378a 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 @@ -128,7 +128,7 @@ dm_dp_mst_connector_destroy(struct drm_connector *connector) dc_sink_release(aconnector->dc_sink); } - kfree(aconnector->edid); + drm_edid_free(aconnector->edid); drm_connector_cleanup(connector); drm_dp_mst_put_port_malloc(aconnector->mst_output_port); @@ -298,15 +298,15 @@ static int dm_dp_mst_get_modes(struct drm_connector *connector) return drm_add_edid_modes(connector, NULL); if (!aconnector->edid) { - struct edid *edid; + const struct drm_edid *drm_edid; - edid = drm_dp_mst_get_edid(connector, &aconnector->mst_root->mst_mgr, aconnector->mst_output_port); + drm_edid = drm_dp_mst_edid_read(connector, &aconnector->mst_root->mst_mgr, aconnector->mst_output_port); - if (!edid) { + if (!drm_edid) { amdgpu_dm_set_mst_status(&aconnector->mst_status, MST_REMOTE_EDID, false); - drm_connector_update_edid_property( + drm_edid_connector_update( &aconnector->base, NULL); @@ -340,7 +340,7 @@ static int dm_dp_mst_get_modes(struct drm_connector *connector) return ret; } - aconnector->edid = edid; + aconnector->edid = drm_edid; amdgpu_dm_set_mst_status(&aconnector->mst_status, MST_REMOTE_EDID, true); } @@ -355,10 +355,13 @@ static int dm_dp_mst_get_modes(struct drm_connector *connector) struct dc_sink_init_data init_params = { .link = aconnector->dc_link, .sink_signal = SIGNAL_TYPE_DISPLAY_PORT_MST }; + const struct edid *edid; + + edid = drm_edid_raw(aconnector->edid); // FIXME: Get rid of drm_edid_raw() dc_sink = dc_link_add_remote_sink( aconnector->dc_link, - (uint8_t *)aconnector->edid, - (aconnector->edid->extensions + 1) * EDID_LENGTH, + (uint8_t *)edid, + (edid->extensions + 1) * EDID_LENGTH, &init_params); if (!dc_sink) { @@ -412,10 +415,9 @@ static int dm_dp_mst_get_modes(struct drm_connector *connector) } } - drm_connector_update_edid_property( - &aconnector->base, aconnector->edid); + drm_edid_connector_update(&aconnector->base, aconnector->edid); - ret = drm_add_edid_modes(connector, aconnector->edid); + ret = drm_edid_connector_add_modes(connector); return ret; }