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Release 4.11 drivers/gpu/drm/amd/amdgpu/amdgpu_encoders.c

/*
 * Copyright 2007-8 Advanced Micro Devices, Inc.
 * Copyright 2008 Red Hat 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: Dave Airlie
 *          Alex Deucher
 */
#include <drm/drmP.h>
#include <drm/drm_crtc_helper.h>
#include <drm/amdgpu_drm.h>
#include "amdgpu.h"
#include "amdgpu_connectors.h"
#include "atom.h"
#include "atombios_encoders.h"


void amdgpu_link_encoder_connector(struct drm_device *dev) { struct amdgpu_device *adev = dev->dev_private; struct drm_connector *connector; struct amdgpu_connector *amdgpu_connector; struct drm_encoder *encoder; struct amdgpu_encoder *amdgpu_encoder; /* walk the list and link encoders to connectors */ list_for_each_entry(connector, &dev->mode_config.connector_list, head) { amdgpu_connector = to_amdgpu_connector(connector); list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { amdgpu_encoder = to_amdgpu_encoder(encoder); if (amdgpu_encoder->devices & amdgpu_connector->devices) { drm_mode_connector_attach_encoder(connector, encoder); if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) { amdgpu_atombios_encoder_init_backlight(amdgpu_encoder, connector); adev->mode_info.bl_encoder = amdgpu_encoder; } } } } }

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void amdgpu_encoder_set_active_device(struct drm_encoder *encoder) { struct drm_device *dev = encoder->dev; struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); struct drm_connector *connector; list_for_each_entry(connector, &dev->mode_config.connector_list, head) { if (connector->encoder == encoder) { struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); amdgpu_encoder->active_device = amdgpu_encoder->devices & amdgpu_connector->devices; DRM_DEBUG_KMS("setting active device to %08x from %08x %08x for encoder %d\n", amdgpu_encoder->active_device, amdgpu_encoder->devices, amdgpu_connector->devices, encoder->encoder_type); } } }

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struct drm_connector * amdgpu_get_connector_for_encoder(struct drm_encoder *encoder) { struct drm_device *dev = encoder->dev; struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); struct drm_connector *connector; struct amdgpu_connector *amdgpu_connector; list_for_each_entry(connector, &dev->mode_config.connector_list, head) { amdgpu_connector = to_amdgpu_connector(connector); if (amdgpu_encoder->active_device & amdgpu_connector->devices) return connector; } return NULL; }

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Alex Deucher74100.00%1100.00%
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struct drm_connector * amdgpu_get_connector_for_encoder_init(struct drm_encoder *encoder) { struct drm_device *dev = encoder->dev; struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); struct drm_connector *connector; struct amdgpu_connector *amdgpu_connector; list_for_each_entry(connector, &dev->mode_config.connector_list, head) { amdgpu_connector = to_amdgpu_connector(connector); if (amdgpu_encoder->devices & amdgpu_connector->devices) return connector; } return NULL; }

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struct drm_encoder *amdgpu_get_external_encoder(struct drm_encoder *encoder) { struct drm_device *dev = encoder->dev; struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); struct drm_encoder *other_encoder; struct amdgpu_encoder *other_amdgpu_encoder; if (amdgpu_encoder->is_ext_encoder) return NULL; list_for_each_entry(other_encoder, &dev->mode_config.encoder_list, head) { if (other_encoder == encoder) continue; other_amdgpu_encoder = to_amdgpu_encoder(other_encoder); if (other_amdgpu_encoder->is_ext_encoder && (amdgpu_encoder->devices & other_amdgpu_encoder->devices)) return other_encoder; } return NULL; }

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u16 amdgpu_encoder_get_dp_bridge_encoder_id(struct drm_encoder *encoder) { struct drm_encoder *other_encoder = amdgpu_get_external_encoder(encoder); if (other_encoder) { struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(other_encoder); switch (amdgpu_encoder->encoder_id) { case ENCODER_OBJECT_ID_TRAVIS: case ENCODER_OBJECT_ID_NUTMEG: return amdgpu_encoder->encoder_id; default: return ENCODER_OBJECT_ID_NONE; } } return ENCODER_OBJECT_ID_NONE; }

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void amdgpu_panel_mode_fixup(struct drm_encoder *encoder, struct drm_display_mode *adjusted_mode) { struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); struct drm_display_mode *native_mode = &amdgpu_encoder->native_mode; unsigned hblank = native_mode->htotal - native_mode->hdisplay; unsigned vblank = native_mode->vtotal - native_mode->vdisplay; unsigned hover = native_mode->hsync_start - native_mode->hdisplay; unsigned vover = native_mode->vsync_start - native_mode->vdisplay; unsigned hsync_width = native_mode->hsync_end - native_mode->hsync_start; unsigned vsync_width = native_mode->vsync_end - native_mode->vsync_start; adjusted_mode->clock = native_mode->clock; adjusted_mode->flags = native_mode->flags; adjusted_mode->hdisplay = native_mode->hdisplay; adjusted_mode->vdisplay = native_mode->vdisplay; adjusted_mode->htotal = native_mode->hdisplay + hblank; adjusted_mode->hsync_start = native_mode->hdisplay + hover; adjusted_mode->hsync_end = adjusted_mode->hsync_start + hsync_width; adjusted_mode->vtotal = native_mode->vdisplay + vblank; adjusted_mode->vsync_start = native_mode->vdisplay + vover; adjusted_mode->vsync_end = adjusted_mode->vsync_start + vsync_width; drm_mode_set_crtcinfo(adjusted_mode, CRTC_INTERLACE_HALVE_V); adjusted_mode->crtc_hdisplay = native_mode->hdisplay; adjusted_mode->crtc_vdisplay = native_mode->vdisplay; adjusted_mode->crtc_htotal = adjusted_mode->crtc_hdisplay + hblank; adjusted_mode->crtc_hsync_start = adjusted_mode->crtc_hdisplay + hover; adjusted_mode->crtc_hsync_end = adjusted_mode->crtc_hsync_start + hsync_width; adjusted_mode->crtc_vtotal = adjusted_mode->crtc_vdisplay + vblank; adjusted_mode->crtc_vsync_start = adjusted_mode->crtc_vdisplay + vover; adjusted_mode->crtc_vsync_end = adjusted_mode->crtc_vsync_start + vsync_width; }

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Alex Deucher276100.00%1100.00%
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bool amdgpu_dig_monitor_is_duallink(struct drm_encoder *encoder, u32 pixel_clock) { struct drm_connector *connector; struct amdgpu_connector *amdgpu_connector; struct amdgpu_connector_atom_dig *dig_connector; connector = amdgpu_get_connector_for_encoder(encoder); /* if we don't have an active device yet, just use one of * the connectors tied to the encoder. */ if (!connector) connector = amdgpu_get_connector_for_encoder_init(encoder); amdgpu_connector = to_amdgpu_connector(connector); switch (connector->connector_type) { case DRM_MODE_CONNECTOR_DVII: case DRM_MODE_CONNECTOR_HDMIB: if (amdgpu_connector->use_digital) { /* HDMI 1.3 supports up to 340 Mhz over single link */ if (drm_detect_hdmi_monitor(amdgpu_connector_edid(connector))) { if (pixel_clock > 340000) return true; else return false; } else { if (pixel_clock > 165000) return true; else return false; } } else return false; case DRM_MODE_CONNECTOR_DVID: case DRM_MODE_CONNECTOR_HDMIA: case DRM_MODE_CONNECTOR_DisplayPort: dig_connector = amdgpu_connector->con_priv; if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) || (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) return false; else { /* HDMI 1.3 supports up to 340 Mhz over single link */ if (drm_detect_hdmi_monitor(amdgpu_connector_edid(connector))) { if (pixel_clock > 340000) return true; else return false; } else { if (pixel_clock > 165000) return true; else return false; } } default: return false; } }

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