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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /drivers/gpu/drm/amd/amdgpu/amdgpu_encoders.c | |
parent | Initial commit. (diff) | |
download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_encoders.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_encoders.c | 262 |
1 files changed, 262 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_encoders.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_encoders.c new file mode 100644 index 0000000000..3aaeed2d35 --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_encoders.c @@ -0,0 +1,262 @@ +/* + * 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/amdgpu_drm.h> +#include "amdgpu.h" +#include "amdgpu_connectors.h" +#include "amdgpu_display.h" +#include "atom.h" +#include "atombios_encoders.h" + +void +amdgpu_link_encoder_connector(struct drm_device *dev) +{ + struct amdgpu_device *adev = drm_to_adev(dev); + struct drm_connector *connector; + struct drm_connector_list_iter iter; + struct amdgpu_connector *amdgpu_connector; + struct drm_encoder *encoder; + struct amdgpu_encoder *amdgpu_encoder; + + drm_connector_list_iter_begin(dev, &iter); + /* walk the list and link encoders to connectors */ + drm_for_each_connector_iter(connector, &iter) { + 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_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; + } + } + } + } + drm_connector_list_iter_end(&iter); +} + +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; + struct drm_connector_list_iter iter; + + drm_connector_list_iter_begin(dev, &iter); + drm_for_each_connector_iter(connector, &iter) { + 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); + } + } + drm_connector_list_iter_end(&iter); +} + +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, *found = NULL; + struct drm_connector_list_iter iter; + struct amdgpu_connector *amdgpu_connector; + + drm_connector_list_iter_begin(dev, &iter); + drm_for_each_connector_iter(connector, &iter) { + amdgpu_connector = to_amdgpu_connector(connector); + if (amdgpu_encoder->active_device & amdgpu_connector->devices) { + found = connector; + break; + } + } + drm_connector_list_iter_end(&iter); + return found; +} + +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, *found = NULL; + struct drm_connector_list_iter iter; + struct amdgpu_connector *amdgpu_connector; + + drm_connector_list_iter_begin(dev, &iter); + drm_for_each_connector_iter(connector, &iter) { + amdgpu_connector = to_amdgpu_connector(connector); + if (amdgpu_encoder->devices & amdgpu_connector->devices) { + found = connector; + break; + } + } + drm_connector_list_iter_end(&iter); + return found; +} + +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; +} + +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; +} + +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 int hblank = native_mode->htotal - native_mode->hdisplay; + unsigned int vblank = native_mode->vtotal - native_mode->vdisplay; + unsigned int hover = native_mode->hsync_start - native_mode->hdisplay; + unsigned int vover = native_mode->vsync_start - native_mode->vdisplay; + unsigned int hsync_width = native_mode->hsync_end - native_mode->hsync_start; + unsigned int 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; + +} + +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 (connector->display_info.is_hdmi) { + 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 (connector->display_info.is_hdmi) { + if (pixel_clock > 340000) + return true; + else + return false; + } else { + if (pixel_clock > 165000) + return true; + else + return false; + } + } + default: + return false; + } +} |