diff options
| author | Wenjing Liu <Wenjing.Liu@amd.com> | 2020-01-22 11:55:48 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-03-05 00:29:40 -0500 |
| commit | e8f9ecf261fe1de0213710ce1fc53d5ca75d96ce (patch) | |
| tree | 5d4eb0922b6312f6a8f080a44addb66ff70bb823 | |
| parent | 3c1fcc55425094e3593a2d2d03c93a24b85f564a (diff) | |
| download | linux-e8f9ecf261fe1de0213710ce1fc53d5ca75d96ce.tar.bz2 | |
drm/amd/display: add vsc update support for test pattern request
[how]
Allow vsc info packet if vsc is supported. Update vsc based on test
pattern request. Remove dpg_is_blanked polling, apply hardware global
lock instead to ensure double buffered dpg is updated with vsc in one
frame
Signed-off-by: Wenjing Liu <Wenjing.Liu@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | 32 |
1 files changed, 24 insertions, 8 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c index c805bec18044..c81f55b28497 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c @@ -3720,7 +3720,6 @@ static void set_crtc_test_pattern(struct dc_link *link, struct pipe_ctx *odm_pipe; enum controller_dp_color_space controller_color_space; int opp_cnt = 1; - uint16_t count = 0; switch (test_pattern_color_space) { case DP_TEST_PATTERN_COLOR_SPACE_RGB: @@ -3764,12 +3763,6 @@ static void set_crtc_test_pattern(struct dc_link *link, NULL, width, height); - /* wait for dpg to blank pixel data with test pattern */ - for (count = 0; count < 1000; count++) { - if (opp->funcs->dpg_is_blanked(opp)) - break; - udelay(100); - } } } break; @@ -3987,6 +3980,11 @@ bool dc_link_dp_set_test_pattern( default: break; } + + if (pipe_ctx->stream_res.tg->funcs->lock_doublebuffer_enable) + pipe_ctx->stream_res.tg->funcs->lock_doublebuffer_enable( + pipe_ctx->stream_res.tg); + pipe_ctx->stream_res.tg->funcs->lock(pipe_ctx->stream_res.tg); /* update MSA to requested color space */ pipe_ctx->stream_res.stream_enc->funcs->dp_set_stream_attribute(pipe_ctx->stream_res.stream_enc, &pipe_ctx->stream->timing, @@ -3994,9 +3992,27 @@ bool dc_link_dp_set_test_pattern( pipe_ctx->stream->use_vsc_sdp_for_colorimetry, link->dpcd_caps.dprx_feature.bits.SST_SPLIT_SDP_CAP); + if (pipe_ctx->stream->use_vsc_sdp_for_colorimetry) { + if (test_pattern == DP_TEST_PATTERN_COLOR_SQUARES_CEA) + pipe_ctx->stream->vsc_infopacket.sb[17] |= (1 << 7); // sb17 bit 7 Dynamic Range: 0 = VESA range, 1 = CTA range + else + pipe_ctx->stream->vsc_infopacket.sb[17] &= ~(1 << 7); + resource_build_info_frame(pipe_ctx); + link->dc->hwss.update_info_frame(pipe_ctx); + } + /* CRTC Patterns */ set_crtc_test_pattern(link, pipe_ctx, test_pattern, test_pattern_color_space); - + pipe_ctx->stream_res.tg->funcs->unlock(pipe_ctx->stream_res.tg); + pipe_ctx->stream_res.tg->funcs->wait_for_state(pipe_ctx->stream_res.tg, + CRTC_STATE_VACTIVE); + pipe_ctx->stream_res.tg->funcs->wait_for_state(pipe_ctx->stream_res.tg, + CRTC_STATE_VBLANK); + pipe_ctx->stream_res.tg->funcs->wait_for_state(pipe_ctx->stream_res.tg, + CRTC_STATE_VACTIVE); + if (pipe_ctx->stream_res.tg->funcs->lock_doublebuffer_disable) + pipe_ctx->stream_res.tg->funcs->lock_doublebuffer_disable( + pipe_ctx->stream_res.tg); /* Set Test Pattern state */ link->test_pattern_enabled = true; } |