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Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2757-drm-amd-display-Move-dc_link-interface-to-separate-h.patch')
-rw-r--r--meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2757-drm-amd-display-Move-dc_link-interface-to-separate-h.patch423
1 files changed, 423 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2757-drm-amd-display-Move-dc_link-interface-to-separate-h.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2757-drm-amd-display-Move-dc_link-interface-to-separate-h.patch
new file mode 100644
index 00000000..438c9566
--- /dev/null
+++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2757-drm-amd-display-Move-dc_link-interface-to-separate-h.patch
@@ -0,0 +1,423 @@
+From c782c8f0af00714d9be74f0e2ba6f96636a74912 Mon Sep 17 00:00:00 2001
+From: Harry Wentland <harry.wentland@amd.com>
+Date: Wed, 8 Nov 2017 14:59:48 -0500
+Subject: [PATCH 2757/4131] drm/amd/display: Move dc_link interface to separate
+ header
+
+Signed-off-by: Harry Wentland <harry.wentland@amd.com>
+Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
+Acked-by: Harry Wentland <harry.wentland@amd.com>
+Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
+---
+ drivers/gpu/drm/amd/display/dc/dc.h | 175 +-------------------------
+ drivers/gpu/drm/amd/display/dc/dc_link.h | 207 +++++++++++++++++++++++++++++++
+ 2 files changed, 208 insertions(+), 174 deletions(-)
+ create mode 100644 drivers/gpu/drm/amd/display/dc/dc_link.h
+
+diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h
+index 9bfbab0..5d18bcd 100644
+--- a/drivers/gpu/drm/amd/display/dc/dc.h
++++ b/drivers/gpu/drm/amd/display/dc/dc.h
+@@ -665,171 +665,7 @@ struct dpcd_caps {
+ bool dpcd_display_control_capable;
+ };
+
+-struct dc_link_status {
+- struct dpcd_caps *dpcd_caps;
+-};
+-
+-/* DP MST stream allocation (payload bandwidth number) */
+-struct link_mst_stream_allocation {
+- /* DIG front */
+- const struct stream_encoder *stream_enc;
+- /* associate DRM payload table with DC stream encoder */
+- uint8_t vcp_id;
+- /* number of slots required for the DP stream in transport packet */
+- uint8_t slot_count;
+-};
+-
+-/* DP MST stream allocation table */
+-struct link_mst_stream_allocation_table {
+- /* number of DP video streams */
+- int stream_count;
+- /* array of stream allocations */
+- struct link_mst_stream_allocation stream_allocations[MAX_CONTROLLER_NUM];
+-};
+-
+-/*
+- * A link contains one or more sinks and their connected status.
+- * The currently active signal type (HDMI, DP-SST, DP-MST) is also reported.
+- */
+-struct dc_link {
+- struct dc_sink *remote_sinks[MAX_SINKS_PER_LINK];
+- unsigned int sink_count;
+- struct dc_sink *local_sink;
+- unsigned int link_index;
+- enum dc_connection_type type;
+- enum signal_type connector_signal;
+- enum dc_irq_source irq_source_hpd;
+- enum dc_irq_source irq_source_hpd_rx;/* aka DP Short Pulse */
+- /* caps is the same as reported_link_cap. link_traing use
+- * reported_link_cap. Will clean up. TODO
+- */
+- struct dc_link_settings reported_link_cap;
+- struct dc_link_settings verified_link_cap;
+- struct dc_link_settings cur_link_settings;
+- struct dc_lane_settings cur_lane_setting;
+- struct dc_link_settings preferred_link_setting;
+-
+- uint8_t ddc_hw_inst;
+-
+- uint8_t hpd_src;
+-
+- uint8_t link_enc_hw_inst;
+-
+- bool test_pattern_enabled;
+- union compliance_test_state compliance_test_state;
+-
+- void *priv;
+-
+- struct ddc_service *ddc;
+-
+- bool aux_mode;
+-
+- /* Private to DC core */
+-
+- const struct dc *dc;
+-
+- struct dc_context *ctx;
+-
+- struct link_encoder *link_enc;
+- struct graphics_object_id link_id;
+- union ddi_channel_mapping ddi_channel_mapping;
+- struct connector_device_tag_info device_tag;
+- struct dpcd_caps dpcd_caps;
+- unsigned short chip_caps;
+- unsigned int dpcd_sink_count;
+- enum edp_revision edp_revision;
+- bool psr_enabled;
+-
+- /* MST record stream using this link */
+- struct link_flags {
+- bool dp_keep_receiver_powered;
+- } wa_flags;
+- struct link_mst_stream_allocation_table mst_stream_alloc_table;
+-
+- struct dc_link_status link_status;
+-
+-};
+-
+-const struct dc_link_status *dc_link_get_status(const struct dc_link *dc_link);
+-
+-/*
+- * Return an enumerated dc_link. dc_link order is constant and determined at
+- * boot time. They cannot be created or destroyed.
+- * Use dc_get_caps() to get number of links.
+- */
+-static inline struct dc_link *dc_get_link_at_index(struct dc *dc, uint32_t link_index)
+-{
+- return dc->links[link_index];
+-}
+-
+-/* Set backlight level of an embedded panel (eDP, LVDS). */
+-bool dc_link_set_backlight_level(const struct dc_link *dc_link, uint32_t level,
+- uint32_t frame_ramp, const struct dc_stream_state *stream);
+-
+-bool dc_link_set_psr_enable(const struct dc_link *dc_link, bool enable, bool wait);
+-
+-bool dc_link_get_psr_state(const struct dc_link *dc_link, uint32_t *psr_state);
+-
+-bool dc_link_setup_psr(struct dc_link *dc_link,
+- const struct dc_stream_state *stream, struct psr_config *psr_config,
+- struct psr_context *psr_context);
+-
+-/* Request DC to detect if there is a Panel connected.
+- * boot - If this call is during initial boot.
+- * Return false for any type of detection failure or MST detection
+- * true otherwise. True meaning further action is required (status update
+- * and OS notification).
+- */
+-enum dc_detect_reason {
+- DETECT_REASON_BOOT,
+- DETECT_REASON_HPD,
+- DETECT_REASON_HPDRX,
+-};
+-
+-bool dc_link_detect(struct dc_link *dc_link, enum dc_detect_reason reason);
+-
+-/* Notify DC about DP RX Interrupt (aka Short Pulse Interrupt).
+- * Return:
+- * true - Downstream port status changed. DM should call DC to do the
+- * detection.
+- * false - no change in Downstream port status. No further action required
+- * from DM. */
+-bool dc_link_handle_hpd_rx_irq(struct dc_link *dc_link,
+- union hpd_irq_data *hpd_irq_dpcd_data);
+-
+-struct dc_sink_init_data;
+-
+-struct dc_sink *dc_link_add_remote_sink(
+- struct dc_link *dc_link,
+- const uint8_t *edid,
+- int len,
+- struct dc_sink_init_data *init_data);
+-
+-void dc_link_remove_remote_sink(
+- struct dc_link *link,
+- struct dc_sink *sink);
+-
+-/* Used by diagnostics for virtual link at the moment */
+-
+-void dc_link_dp_set_drive_settings(
+- struct dc_link *link,
+- struct link_training_settings *lt_settings);
+-
+-enum link_training_result dc_link_dp_perform_link_training(
+- struct dc_link *link,
+- const struct dc_link_settings *link_setting,
+- bool skip_video_pattern);
+-
+-void dc_link_dp_enable_hpd(const struct dc_link *link);
+-
+-void dc_link_dp_disable_hpd(const struct dc_link *link);
+-
+-bool dc_link_dp_set_test_pattern(
+- struct dc_link *link,
+- enum dp_test_pattern test_pattern,
+- const struct link_training_settings *p_link_settings,
+- const unsigned char *p_custom_pattern,
+- unsigned int cust_pattern_size);
++#include "dc_link.h"
+
+ /*******************************************************************************
+ * Sink Interfaces - A sink corresponds to a display output device
+@@ -909,13 +745,4 @@ void dc_set_power_state(
+ enum dc_acpi_cm_power_state power_state);
+ void dc_resume(struct dc *dc);
+
+-/*
+- * DPCD access interfaces
+- */
+-
+-bool dc_submit_i2c(
+- struct dc *dc,
+- uint32_t link_index,
+- struct i2c_command *cmd);
+-
+ #endif /* DC_INTERFACE_H_ */
+diff --git a/drivers/gpu/drm/amd/display/dc/dc_link.h b/drivers/gpu/drm/amd/display/dc/dc_link.h
+new file mode 100644
+index 0000000..f11a734
+--- /dev/null
++++ b/drivers/gpu/drm/amd/display/dc/dc_link.h
+@@ -0,0 +1,207 @@
++/*
++ * Copyright 2012-14 Advanced Micro Devices, Inc.
++ *
++ * Permission is hereby granted, free of charge, to any person obtaining a
++ * copy of this software and associated documentation files (the "Software"),
++ * to deal in the Software without restriction, including without limitation
++ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
++ * and/or sell copies of the Software, and to permit persons to whom the
++ * Software is furnished to do so, subject to the following conditions:
++ *
++ * The above copyright notice and this permission notice shall be included in
++ * all copies or substantial portions of the Software.
++ *
++ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
++ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
++ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
++ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
++ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
++ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
++ * OTHER DEALINGS IN THE SOFTWARE.
++ *
++ * Authors: AMD
++ *
++ */
++
++#ifndef DC_LINK_H_
++#define DC_LINK_H_
++
++#include "dc_types.h"
++#include "grph_object_defs.h"
++
++struct dc_link_status {
++ struct dpcd_caps *dpcd_caps;
++};
++
++/* DP MST stream allocation (payload bandwidth number) */
++struct link_mst_stream_allocation {
++ /* DIG front */
++ const struct stream_encoder *stream_enc;
++ /* associate DRM payload table with DC stream encoder */
++ uint8_t vcp_id;
++ /* number of slots required for the DP stream in transport packet */
++ uint8_t slot_count;
++};
++
++/* DP MST stream allocation table */
++struct link_mst_stream_allocation_table {
++ /* number of DP video streams */
++ int stream_count;
++ /* array of stream allocations */
++ struct link_mst_stream_allocation stream_allocations[MAX_CONTROLLER_NUM];
++};
++
++/*
++ * A link contains one or more sinks and their connected status.
++ * The currently active signal type (HDMI, DP-SST, DP-MST) is also reported.
++ */
++struct dc_link {
++ struct dc_sink *remote_sinks[MAX_SINKS_PER_LINK];
++ unsigned int sink_count;
++ struct dc_sink *local_sink;
++ unsigned int link_index;
++ enum dc_connection_type type;
++ enum signal_type connector_signal;
++ enum dc_irq_source irq_source_hpd;
++ enum dc_irq_source irq_source_hpd_rx;/* aka DP Short Pulse */
++ /* caps is the same as reported_link_cap. link_traing use
++ * reported_link_cap. Will clean up. TODO
++ */
++ struct dc_link_settings reported_link_cap;
++ struct dc_link_settings verified_link_cap;
++ struct dc_link_settings cur_link_settings;
++ struct dc_lane_settings cur_lane_setting;
++ struct dc_link_settings preferred_link_setting;
++
++ uint8_t ddc_hw_inst;
++
++ uint8_t hpd_src;
++
++ uint8_t link_enc_hw_inst;
++
++ bool test_pattern_enabled;
++ union compliance_test_state compliance_test_state;
++
++ void *priv;
++
++ struct ddc_service *ddc;
++
++ bool aux_mode;
++
++ /* Private to DC core */
++
++ const struct dc *dc;
++
++ struct dc_context *ctx;
++
++ struct link_encoder *link_enc;
++ struct graphics_object_id link_id;
++ union ddi_channel_mapping ddi_channel_mapping;
++ struct connector_device_tag_info device_tag;
++ struct dpcd_caps dpcd_caps;
++ unsigned short chip_caps;
++ unsigned int dpcd_sink_count;
++ enum edp_revision edp_revision;
++ bool psr_enabled;
++
++ /* MST record stream using this link */
++ struct link_flags {
++ bool dp_keep_receiver_powered;
++ } wa_flags;
++ struct link_mst_stream_allocation_table mst_stream_alloc_table;
++
++ struct dc_link_status link_status;
++
++};
++
++const struct dc_link_status *dc_link_get_status(const struct dc_link *dc_link);
++
++/*
++ * Return an enumerated dc_link. dc_link order is constant and determined at
++ * boot time. They cannot be created or destroyed.
++ * Use dc_get_caps() to get number of links.
++ */
++static inline struct dc_link *dc_get_link_at_index(struct dc *dc, uint32_t link_index)
++{
++ return dc->links[link_index];
++}
++
++/* Set backlight level of an embedded panel (eDP, LVDS). */
++bool dc_link_set_backlight_level(const struct dc_link *dc_link, uint32_t level,
++ uint32_t frame_ramp, const struct dc_stream_state *stream);
++
++bool dc_link_set_psr_enable(const struct dc_link *dc_link, bool enable, bool wait);
++
++bool dc_link_get_psr_state(const struct dc_link *dc_link, uint32_t *psr_state);
++
++bool dc_link_setup_psr(struct dc_link *dc_link,
++ const struct dc_stream_state *stream, struct psr_config *psr_config,
++ struct psr_context *psr_context);
++
++/* Request DC to detect if there is a Panel connected.
++ * boot - If this call is during initial boot.
++ * Return false for any type of detection failure or MST detection
++ * true otherwise. True meaning further action is required (status update
++ * and OS notification).
++ */
++enum dc_detect_reason {
++ DETECT_REASON_BOOT,
++ DETECT_REASON_HPD,
++ DETECT_REASON_HPDRX,
++};
++
++bool dc_link_detect(struct dc_link *dc_link, enum dc_detect_reason reason);
++
++/* Notify DC about DP RX Interrupt (aka Short Pulse Interrupt).
++ * Return:
++ * true - Downstream port status changed. DM should call DC to do the
++ * detection.
++ * false - no change in Downstream port status. No further action required
++ * from DM. */
++bool dc_link_handle_hpd_rx_irq(struct dc_link *dc_link,
++ union hpd_irq_data *hpd_irq_dpcd_data);
++
++struct dc_sink_init_data;
++
++struct dc_sink *dc_link_add_remote_sink(
++ struct dc_link *dc_link,
++ const uint8_t *edid,
++ int len,
++ struct dc_sink_init_data *init_data);
++
++void dc_link_remove_remote_sink(
++ struct dc_link *link,
++ struct dc_sink *sink);
++
++/* Used by diagnostics for virtual link at the moment */
++
++void dc_link_dp_set_drive_settings(
++ struct dc_link *link,
++ struct link_training_settings *lt_settings);
++
++enum link_training_result dc_link_dp_perform_link_training(
++ struct dc_link *link,
++ const struct dc_link_settings *link_setting,
++ bool skip_video_pattern);
++
++void dc_link_dp_enable_hpd(const struct dc_link *link);
++
++void dc_link_dp_disable_hpd(const struct dc_link *link);
++
++bool dc_link_dp_set_test_pattern(
++ struct dc_link *link,
++ enum dp_test_pattern test_pattern,
++ const struct link_training_settings *p_link_settings,
++ const unsigned char *p_custom_pattern,
++ unsigned int cust_pattern_size);
++
++/*
++ * DPCD access interfaces
++ */
++
++bool dc_submit_i2c(
++ struct dc *dc,
++ uint32_t link_index,
++ struct i2c_command *cmd);
++
++#endif /* DC_LINK_H_ */
+--
+2.7.4
+