diff options
Diffstat (limited to 'drivers/gpu/drm/amd')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_stream.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c index 996298c35f42..59ccab36dab8 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c @@ -29,6 +29,7 @@ #include "resource.h" #include "ipp.h" #include "timing_generator.h" +#include "dcn10/dcn10_hw_sequencer.h" #define DC_LOGGER dc->ctx->logger @@ -196,6 +197,32 @@ struct dc_stream_status *dc_stream_get_status( return dc_stream_get_status_from_state(dc->current_state, stream); } +static void delay_cursor_until_vupdate(struct pipe_ctx *pipe_ctx, struct dc *dc) +{ + unsigned int vupdate_line; + unsigned int lines_to_vupdate, us_to_vupdate, vpos, nvpos; + struct dc_stream_state *stream = pipe_ctx->stream; + unsigned int us_per_line; + + if (stream->ctx->asic_id.chip_family == FAMILY_RV && + ASIC_REV_IS_RAVEN(stream->ctx->asic_id.hw_internal_rev)) { + + vupdate_line = get_vupdate_offset_from_vsync(pipe_ctx); + dc_stream_get_crtc_position(dc, &stream, 1, &vpos, &nvpos); + + if (vpos >= vupdate_line) + return; + + us_per_line = stream->timing.h_total * 10000 / stream->timing.pix_clk_100hz; + lines_to_vupdate = vupdate_line - vpos; + us_to_vupdate = lines_to_vupdate * us_per_line; + + /* 70 us is a conservative estimate of cursor update time*/ + if (us_to_vupdate < 70) + udelay(us_to_vupdate); + } +} + /** * dc_stream_set_cursor_attributes() - Update cursor attributes and set cursor surface address */ @@ -234,6 +261,8 @@ bool dc_stream_set_cursor_attributes( if (!pipe_to_program) { pipe_to_program = pipe_ctx; + + delay_cursor_until_vupdate(pipe_ctx, core_dc); core_dc->hwss.pipe_control_lock(core_dc, pipe_to_program, true); } @@ -283,6 +312,8 @@ bool dc_stream_set_cursor_position( if (!pipe_to_program) { pipe_to_program = pipe_ctx; + + delay_cursor_until_vupdate(pipe_ctx, core_dc); core_dc->hwss.pipe_control_lock(core_dc, pipe_to_program, true); } |