263 lines
8.8 KiB
C
263 lines
8.8 KiB
C
/*
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* Copyright 2007-8 Advanced Micro Devices, Inc.
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* Copyright 2008 Red Hat Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Authors: Dave Airlie
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* Alex Deucher
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*/
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#include <drm/drm_crtc_helper.h>
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#include <drm/amdgpu_drm.h>
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#include "amdgpu.h"
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#include "amdgpu_connectors.h"
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#include "amdgpu_display.h"
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#include "atom.h"
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#include "atombios_encoders.h"
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void
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amdgpu_link_encoder_connector(struct drm_device *dev)
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{
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struct amdgpu_device *adev = drm_to_adev(dev);
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struct drm_connector *connector;
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struct drm_connector_list_iter iter;
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struct amdgpu_connector *amdgpu_connector;
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struct drm_encoder *encoder;
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struct amdgpu_encoder *amdgpu_encoder;
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drm_connector_list_iter_begin(dev, &iter);
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/* walk the list and link encoders to connectors */
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drm_for_each_connector_iter(connector, &iter) {
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amdgpu_connector = to_amdgpu_connector(connector);
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list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
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amdgpu_encoder = to_amdgpu_encoder(encoder);
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if (amdgpu_encoder->devices & amdgpu_connector->devices) {
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drm_connector_attach_encoder(connector, encoder);
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if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
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amdgpu_atombios_encoder_init_backlight(amdgpu_encoder, connector);
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adev->mode_info.bl_encoder = amdgpu_encoder;
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}
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}
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}
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}
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drm_connector_list_iter_end(&iter);
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}
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void amdgpu_encoder_set_active_device(struct drm_encoder *encoder)
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{
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struct drm_device *dev = encoder->dev;
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struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
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struct drm_connector *connector;
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struct drm_connector_list_iter iter;
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drm_connector_list_iter_begin(dev, &iter);
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drm_for_each_connector_iter(connector, &iter) {
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if (connector->encoder == encoder) {
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struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
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amdgpu_encoder->active_device = amdgpu_encoder->devices & amdgpu_connector->devices;
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DRM_DEBUG_KMS("setting active device to %08x from %08x %08x for encoder %d\n",
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amdgpu_encoder->active_device, amdgpu_encoder->devices,
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amdgpu_connector->devices, encoder->encoder_type);
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}
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}
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drm_connector_list_iter_end(&iter);
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}
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struct drm_connector *
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amdgpu_get_connector_for_encoder(struct drm_encoder *encoder)
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{
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struct drm_device *dev = encoder->dev;
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struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
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struct drm_connector *connector, *found = NULL;
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struct drm_connector_list_iter iter;
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struct amdgpu_connector *amdgpu_connector;
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drm_connector_list_iter_begin(dev, &iter);
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drm_for_each_connector_iter(connector, &iter) {
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amdgpu_connector = to_amdgpu_connector(connector);
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if (amdgpu_encoder->active_device & amdgpu_connector->devices) {
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found = connector;
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break;
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}
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}
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drm_connector_list_iter_end(&iter);
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return found;
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}
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struct drm_connector *
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amdgpu_get_connector_for_encoder_init(struct drm_encoder *encoder)
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{
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struct drm_device *dev = encoder->dev;
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struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
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struct drm_connector *connector, *found = NULL;
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struct drm_connector_list_iter iter;
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struct amdgpu_connector *amdgpu_connector;
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drm_connector_list_iter_begin(dev, &iter);
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drm_for_each_connector_iter(connector, &iter) {
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amdgpu_connector = to_amdgpu_connector(connector);
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if (amdgpu_encoder->devices & amdgpu_connector->devices) {
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found = connector;
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break;
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}
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}
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drm_connector_list_iter_end(&iter);
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return found;
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}
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struct drm_encoder *amdgpu_get_external_encoder(struct drm_encoder *encoder)
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{
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struct drm_device *dev = encoder->dev;
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struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
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struct drm_encoder *other_encoder;
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struct amdgpu_encoder *other_amdgpu_encoder;
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if (amdgpu_encoder->is_ext_encoder)
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return NULL;
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list_for_each_entry(other_encoder, &dev->mode_config.encoder_list, head) {
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if (other_encoder == encoder)
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continue;
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other_amdgpu_encoder = to_amdgpu_encoder(other_encoder);
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if (other_amdgpu_encoder->is_ext_encoder &&
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(amdgpu_encoder->devices & other_amdgpu_encoder->devices))
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return other_encoder;
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}
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return NULL;
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}
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u16 amdgpu_encoder_get_dp_bridge_encoder_id(struct drm_encoder *encoder)
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{
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struct drm_encoder *other_encoder = amdgpu_get_external_encoder(encoder);
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if (other_encoder) {
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struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(other_encoder);
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switch (amdgpu_encoder->encoder_id) {
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case ENCODER_OBJECT_ID_TRAVIS:
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case ENCODER_OBJECT_ID_NUTMEG:
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return amdgpu_encoder->encoder_id;
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default:
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return ENCODER_OBJECT_ID_NONE;
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}
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}
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return ENCODER_OBJECT_ID_NONE;
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}
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void amdgpu_panel_mode_fixup(struct drm_encoder *encoder,
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struct drm_display_mode *adjusted_mode)
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{
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struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
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struct drm_display_mode *native_mode = &amdgpu_encoder->native_mode;
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unsigned hblank = native_mode->htotal - native_mode->hdisplay;
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unsigned vblank = native_mode->vtotal - native_mode->vdisplay;
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unsigned hover = native_mode->hsync_start - native_mode->hdisplay;
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unsigned vover = native_mode->vsync_start - native_mode->vdisplay;
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unsigned hsync_width = native_mode->hsync_end - native_mode->hsync_start;
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unsigned vsync_width = native_mode->vsync_end - native_mode->vsync_start;
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adjusted_mode->clock = native_mode->clock;
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adjusted_mode->flags = native_mode->flags;
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adjusted_mode->hdisplay = native_mode->hdisplay;
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adjusted_mode->vdisplay = native_mode->vdisplay;
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adjusted_mode->htotal = native_mode->hdisplay + hblank;
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adjusted_mode->hsync_start = native_mode->hdisplay + hover;
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adjusted_mode->hsync_end = adjusted_mode->hsync_start + hsync_width;
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adjusted_mode->vtotal = native_mode->vdisplay + vblank;
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adjusted_mode->vsync_start = native_mode->vdisplay + vover;
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adjusted_mode->vsync_end = adjusted_mode->vsync_start + vsync_width;
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drm_mode_set_crtcinfo(adjusted_mode, CRTC_INTERLACE_HALVE_V);
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adjusted_mode->crtc_hdisplay = native_mode->hdisplay;
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adjusted_mode->crtc_vdisplay = native_mode->vdisplay;
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adjusted_mode->crtc_htotal = adjusted_mode->crtc_hdisplay + hblank;
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adjusted_mode->crtc_hsync_start = adjusted_mode->crtc_hdisplay + hover;
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adjusted_mode->crtc_hsync_end = adjusted_mode->crtc_hsync_start + hsync_width;
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adjusted_mode->crtc_vtotal = adjusted_mode->crtc_vdisplay + vblank;
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adjusted_mode->crtc_vsync_start = adjusted_mode->crtc_vdisplay + vover;
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adjusted_mode->crtc_vsync_end = adjusted_mode->crtc_vsync_start + vsync_width;
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}
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bool amdgpu_dig_monitor_is_duallink(struct drm_encoder *encoder,
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u32 pixel_clock)
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{
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struct drm_connector *connector;
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struct amdgpu_connector *amdgpu_connector;
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struct amdgpu_connector_atom_dig *dig_connector;
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connector = amdgpu_get_connector_for_encoder(encoder);
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/* if we don't have an active device yet, just use one of
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* the connectors tied to the encoder.
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*/
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if (!connector)
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connector = amdgpu_get_connector_for_encoder_init(encoder);
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amdgpu_connector = to_amdgpu_connector(connector);
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switch (connector->connector_type) {
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case DRM_MODE_CONNECTOR_DVII:
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case DRM_MODE_CONNECTOR_HDMIB:
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if (amdgpu_connector->use_digital) {
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/* HDMI 1.3 supports up to 340 Mhz over single link */
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if (connector->display_info.is_hdmi) {
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if (pixel_clock > 340000)
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return true;
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else
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return false;
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} else {
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if (pixel_clock > 165000)
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return true;
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else
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return false;
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}
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} else
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return false;
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case DRM_MODE_CONNECTOR_DVID:
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case DRM_MODE_CONNECTOR_HDMIA:
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case DRM_MODE_CONNECTOR_DisplayPort:
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dig_connector = amdgpu_connector->con_priv;
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if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
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(dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP))
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return false;
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else {
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/* HDMI 1.3 supports up to 340 Mhz over single link */
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if (connector->display_info.is_hdmi) {
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if (pixel_clock > 340000)
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return true;
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else
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return false;
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} else {
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if (pixel_clock > 165000)
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return true;
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else
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return false;
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}
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}
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default:
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return false;
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}
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}
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