Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Leo (Sunpeng) Li | 339 | 77.05% | 4 | 57.14% |
Kumar, Mahesh | 59 | 13.41% | 1 | 14.29% |
Nicholas Kazlauskas | 42 | 9.55% | 2 | 28.57% |
Total | 440 | 7 |
/* * Copyright 2015 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 * */ #include <drm/drm_crtc.h> #include "amdgpu.h" #include "amdgpu_dm.h" #include "dc.h" enum amdgpu_dm_pipe_crc_source { AMDGPU_DM_PIPE_CRC_SOURCE_NONE = 0, AMDGPU_DM_PIPE_CRC_SOURCE_AUTO, AMDGPU_DM_PIPE_CRC_SOURCE_MAX, AMDGPU_DM_PIPE_CRC_SOURCE_INVALID = -1, }; static enum amdgpu_dm_pipe_crc_source dm_parse_crc_source(const char *source) { if (!source || !strcmp(source, "none")) return AMDGPU_DM_PIPE_CRC_SOURCE_NONE; if (!strcmp(source, "auto")) return AMDGPU_DM_PIPE_CRC_SOURCE_AUTO; return AMDGPU_DM_PIPE_CRC_SOURCE_INVALID; } int amdgpu_dm_crtc_verify_crc_source(struct drm_crtc *crtc, const char *src_name, size_t *values_cnt) { enum amdgpu_dm_pipe_crc_source source = dm_parse_crc_source(src_name); if (source < 0) { DRM_DEBUG_DRIVER("Unknown CRC source %s for CRTC%d\n", src_name, crtc->index); return -EINVAL; } *values_cnt = 3; return 0; } int amdgpu_dm_crtc_set_crc_source(struct drm_crtc *crtc, const char *src_name) { struct dm_crtc_state *crtc_state = to_dm_crtc_state(crtc->state); struct dc_stream_state *stream_state = crtc_state->stream; enum amdgpu_dm_pipe_crc_source source = dm_parse_crc_source(src_name); if (source < 0) { DRM_DEBUG_DRIVER("Unknown CRC source %s for CRTC%d\n", src_name, crtc->index); return -EINVAL; } if (!stream_state) { DRM_ERROR("No stream state for CRTC%d\n", crtc->index); return -EINVAL; } /* When enabling CRC, we should also disable dithering. */ if (source == AMDGPU_DM_PIPE_CRC_SOURCE_AUTO) { if (dc_stream_configure_crc(stream_state->ctx->dc, stream_state, true, true)) { crtc_state->crc_enabled = true; dc_stream_set_dither_option(stream_state, DITHER_OPTION_TRUN8); } else return -EINVAL; } else { if (dc_stream_configure_crc(stream_state->ctx->dc, stream_state, false, false)) { crtc_state->crc_enabled = false; dc_stream_set_dither_option(stream_state, DITHER_OPTION_DEFAULT); } else return -EINVAL; } /* Reset crc_skipped on dm state */ crtc_state->crc_skip_count = 0; return 0; } /** * amdgpu_dm_crtc_handle_crc_irq: Report to DRM the CRC on given CRTC. * @crtc: DRM CRTC object. * * This function should be called at the end of a vblank, when the fb has been * fully processed through the pipe. */ void amdgpu_dm_crtc_handle_crc_irq(struct drm_crtc *crtc) { struct dm_crtc_state *crtc_state; struct dc_stream_state *stream_state; uint32_t crcs[3]; if (crtc == NULL) return; crtc_state = to_dm_crtc_state(crtc->state); stream_state = crtc_state->stream; /* Early return if CRC capture is not enabled. */ if (!crtc_state->crc_enabled) return; /* * Since flipping and crc enablement happen asynchronously, we - more * often than not - will be returning an 'uncooked' crc on first frame. * Probably because hw isn't ready yet. For added security, skip the * first two CRC values. */ if (crtc_state->crc_skip_count < 2) { crtc_state->crc_skip_count += 1; return; } if (!dc_stream_get_crc(stream_state->ctx->dc, stream_state, &crcs[0], &crcs[1], &crcs[2])) return; drm_crtc_add_crc_entry(crtc, true, drm_crtc_accurate_vblank_count(crtc), crcs); }
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