diff options
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/Makefile | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h | 12 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.c | 113 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc.c | 85 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dc_stream.h | 11 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/inc/hw/timing_generator.h | 44 |
7 files changed, 271 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/Makefile b/drivers/gpu/drm/amd/display/amdgpu_dm/Makefile index 2b72009844f8..d7accc2071c4 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/Makefile +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/Makefile @@ -31,6 +31,10 @@ ifneq ($(CONFIG_DRM_AMD_DC),) AMDGPUDM += amdgpu_dm_services.o amdgpu_dm_helpers.o endif +ifneq ($(CONFIG_DEBUG_FS),) +AMDGPUDM += amdgpu_dm_crc.o +endif + subdir-ccflags-y += -I$(FULL_AMD_DISPLAY_PATH)/dc AMDGPU_DM = $(addprefix $(AMDDALPATH)/amdgpu_dm/,$(AMDGPUDM)) diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index ee117f61e931..ed7b0eff763f 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -319,6 +319,7 @@ static void dm_crtc_high_irq(void *interrupt_params) crtc_index = acrtc->crtc_id; drm_handle_vblank(adev->ddev, crtc_index); + amdgpu_dm_crtc_handle_crc_irq(&acrtc->base); } static int dm_set_clockgating_state(void *handle, @@ -2523,6 +2524,7 @@ static const struct drm_crtc_funcs amdgpu_dm_crtc_funcs = { .page_flip = drm_atomic_helper_page_flip, .atomic_duplicate_state = dm_crtc_duplicate_state, .atomic_destroy_state = dm_crtc_destroy_state, + .set_crc_source = amdgpu_dm_crtc_set_crc_source, }; static enum drm_connector_status diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h index 2faa77a7eeda..c2ca7b50f0b7 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h @@ -210,6 +210,8 @@ struct dm_plane_state { struct dm_crtc_state { struct drm_crtc_state base; struct dc_stream_state *stream; + + bool crc_first_skipped; }; #define to_dm_crtc_state(x) container_of(x, struct dm_crtc_state, base) @@ -268,6 +270,16 @@ void amdgpu_dm_add_sink_to_freesync_module(struct drm_connector *connector, void amdgpu_dm_remove_sink_from_freesync_module(struct drm_connector *connector); +/* amdgpu_dm_crc.c */ +#ifdef CONFIG_DEBUG_FS +int amdgpu_dm_crtc_set_crc_source(struct drm_crtc *crtc, const char *src_name, + size_t *values_cnt); +void amdgpu_dm_crtc_handle_crc_irq(struct drm_crtc *crtc); +#else +#define amdgpu_dm_crtc_set_crc_source NULL +void amdgpu_dm_crtc_handle_crc_irq(struct drm_crtc *crtc) {} +#endif + extern const struct drm_encoder_helper_funcs amdgpu_dm_encoder_helper_funcs; #endif /* __AMDGPU_DM_H__ */ diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.c new file mode 100644 index 000000000000..5768103803fe --- /dev/null +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.c @@ -0,0 +1,113 @@ +/* + * 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_set_crc_source(struct drm_crtc *crtc, const char *src_name, + size_t *values_cnt) +{ + struct dm_crtc_state *crtc_state = to_dm_crtc_state(crtc->state); + struct dc_stream_state *stream_state = crtc_state->stream; + bool ret; + + 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 (source == AMDGPU_DM_PIPE_CRC_SOURCE_AUTO) { + ret = dc_stream_configure_crc(stream_state->ctx->dc, + stream_state, + true, true); + } else { + ret = dc_stream_configure_crc(stream_state->ctx->dc, + stream_state, + false, false); + } + + if (ret) { + *values_cnt = 3; + /* Reset crc_skipped flag on dm state */ + crtc_state->crc_first_skipped = false; + return 0; + } + return -EINVAL; +} + +/** + * 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 = to_dm_crtc_state(crtc->state); + struct dc_stream_state *stream_state = crtc_state->stream; + uint32_t crcs[3]; + + /* + * 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. Simply skip the first crc + * value. + */ + if (!crtc_state->crc_first_skipped) { + crtc_state->crc_first_skipped = true; + 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); +} diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index ad44fb0215b4..350458d3730c 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -215,6 +215,91 @@ bool dc_stream_get_crtc_position(struct dc *dc, return ret; } +/** + * dc_stream_configure_crc: Configure CRC capture for the given stream. + * @dc: DC Object + * @stream: The stream to configure CRC on. + * @enable: Enable CRC if true, disable otherwise. + * @continuous: Capture CRC on every frame if true. Otherwise, only capture + * once. + * + * By default, only CRC0 is configured, and the entire frame is used to + * calculate the crc. + */ +bool dc_stream_configure_crc(struct dc *dc, struct dc_stream_state *stream, + bool enable, bool continuous) +{ + int i; + struct pipe_ctx *pipe; + struct crc_params param; + struct timing_generator *tg; + + for (i = 0; i < MAX_PIPES; i++) { + pipe = &dc->current_state->res_ctx.pipe_ctx[i]; + if (pipe->stream == stream) + break; + } + /* Stream not found */ + if (i == MAX_PIPES) + return false; + + /* Always capture the full frame */ + param.windowa_x_start = 0; + param.windowa_y_start = 0; + param.windowa_x_end = pipe->stream->timing.h_addressable; + param.windowa_y_end = pipe->stream->timing.v_addressable; + param.windowb_x_start = 0; + param.windowb_y_start = 0; + param.windowb_x_end = pipe->stream->timing.h_addressable; + param.windowb_y_end = pipe->stream->timing.v_addressable; + + /* Default to the union of both windows */ + param.selection = UNION_WINDOW_A_B; + param.continuous_mode = continuous; + param.enable = enable; + + tg = pipe->stream_res.tg; + + /* Only call if supported */ + if (tg->funcs->configure_crc) + return tg->funcs->configure_crc(tg, ¶m); + dm_logger_write(dc->ctx->logger, LOG_WARNING, "CRC capture not supported."); + return false; +} + +/** + * dc_stream_get_crc: Get CRC values for the given stream. + * @dc: DC object + * @stream: The DC stream state of the stream to get CRCs from. + * @r_cr, g_y, b_cb: CRC values for the three channels are stored here. + * + * dc_stream_configure_crc needs to be called beforehand to enable CRCs. + * Return false if stream is not found, or if CRCs are not enabled. + */ +bool dc_stream_get_crc(struct dc *dc, struct dc_stream_state *stream, + uint32_t *r_cr, uint32_t *g_y, uint32_t *b_cb) +{ + int i; + struct pipe_ctx *pipe; + struct timing_generator *tg; + + for (i = 0; i < MAX_PIPES; i++) { + pipe = &dc->current_state->res_ctx.pipe_ctx[i]; + if (pipe->stream == stream) + break; + } + /* Stream not found */ + if (i == MAX_PIPES) + return false; + + tg = pipe->stream_res.tg; + + if (tg->funcs->get_crc) + return tg->funcs->get_crc(tg, r_cr, g_y, b_cb); + dm_logger_write(dc->ctx->logger, LOG_WARNING, "CRC capture not supported."); + return false; +} + void dc_stream_set_static_screen_events(struct dc *dc, struct dc_stream_state **streams, int num_streams, diff --git a/drivers/gpu/drm/amd/display/dc/dc_stream.h b/drivers/gpu/drm/amd/display/dc/dc_stream.h index 01c60f11b2bd..be3eb57f3c33 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_stream.h +++ b/drivers/gpu/drm/amd/display/dc/dc_stream.h @@ -267,6 +267,17 @@ bool dc_stream_get_crtc_position(struct dc *dc, unsigned int *v_pos, unsigned int *nom_v_pos); +bool dc_stream_configure_crc(struct dc *dc, + struct dc_stream_state *stream, + bool enable, + bool continuous); + +bool dc_stream_get_crc(struct dc *dc, + struct dc_stream_state *stream, + uint32_t *r_cr, + uint32_t *g_y, + uint32_t *b_cb); + void dc_stream_set_static_screen_events(struct dc *dc, struct dc_stream_state **stream, int num_streams, diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/timing_generator.h b/drivers/gpu/drm/amd/display/dc/inc/hw/timing_generator.h index ec312f1a3e55..3ca34629d4b4 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/hw/timing_generator.h +++ b/drivers/gpu/drm/amd/display/dc/inc/hw/timing_generator.h @@ -92,6 +92,36 @@ struct crtc_stereo_flags { uint8_t DISABLE_STEREO_DP_SYNC : 1; }; +enum crc_selection { + /* Order must match values expected by hardware */ + UNION_WINDOW_A_B = 0, + UNION_WINDOW_A_NOT_B, + UNION_WINDOW_NOT_A_B, + UNION_WINDOW_NOT_A_NOT_B, + INTERSECT_WINDOW_A_B, + INTERSECT_WINDOW_A_NOT_B, + INTERSECT_WINDOW_NOT_A_B, + INTERSECT_WINDOW_NOT_A_NOT_B, +}; + +struct crc_params { + /* Regions used to calculate CRC*/ + uint16_t windowa_x_start; + uint16_t windowa_x_end; + uint16_t windowa_y_start; + uint16_t windowa_y_end; + + uint16_t windowb_x_start; + uint16_t windowb_x_end; + uint16_t windowb_y_start; + uint16_t windowb_y_end; + + enum crc_selection selection; + + bool continuous_mode; + bool enable; +}; + struct timing_generator { const struct timing_generator_funcs *funcs; struct dc_bios *bp; @@ -173,6 +203,20 @@ struct timing_generator_funcs { bool (*is_tg_enabled)(struct timing_generator *tg); bool (*is_optc_underflow_occurred)(struct timing_generator *tg); void (*clear_optc_underflow)(struct timing_generator *tg); + + /** + * Configure CRCs for the given timing generator. Return false if TG is + * not on. + */ + bool (*configure_crc)(struct timing_generator *tg, + const struct crc_params *params); + + /** + * Get CRCs for the given timing generator. Return false if CRCs are + * not enabled (via configure_crc). + */ + bool (*get_crc)(struct timing_generator *tg, + uint32_t *r_cr, uint32_t *g_y, uint32_t *b_cb); }; #endif |