diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dml/dcn314/dcn314_fpu.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dml/dcn314/dcn314_fpu.c | 31 |
1 files changed, 29 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn314/dcn314_fpu.c b/drivers/gpu/drm/amd/display/dc/dml/dcn314/dcn314_fpu.c index d9e049e7ff0a..07adb614366e 100644 --- a/drivers/gpu/drm/amd/display/dc/dml/dcn314/dcn314_fpu.c +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn314/dcn314_fpu.c @@ -31,6 +31,7 @@ #include "dml/dcn20/dcn20_fpu.h" #include "dml/dcn31/dcn31_fpu.h" #include "dml/display_mode_vba.h" +#include "dml/dml_inline_defs.h" struct _vcs_dpi_ip_params_st dcn3_14_ip = { .VBlankNomDefaultUS = 668, @@ -273,6 +274,25 @@ static bool is_dual_plane(enum surface_pixel_format format) return format >= SURFACE_PIXEL_FORMAT_VIDEO_BEGIN || format == SURFACE_PIXEL_FORMAT_GRPH_RGBE_ALPHA; } +/* + * micro_sec_to_vert_lines () - converts time to number of vertical lines for a given timing + * + * @param: num_us: number of microseconds + * @return: number of vertical lines. If exact number of vertical lines is not found then + * it will round up to next number of lines to guarantee num_us + */ +static unsigned int micro_sec_to_vert_lines(unsigned int num_us, struct dc_crtc_timing *timing) +{ + unsigned int num_lines = 0; + unsigned int lines_time_in_ns = 1000.0 * + (((float)timing->h_total * 1000.0) / + ((float)timing->pix_clk_100hz / 10.0)); + + num_lines = dml_ceil(1000.0 * num_us / lines_time_in_ns, 1.0); + + return num_lines; +} + int dcn314_populate_dml_pipes_from_context_fpu(struct dc *dc, struct dc_state *context, display_e2e_pipe_params_st *pipes, bool fast_validate) @@ -289,15 +309,22 @@ int dcn314_populate_dml_pipes_from_context_fpu(struct dc *dc, struct dc_state *c for (i = 0, pipe_cnt = 0; i < dc->res_pool->pipe_count; i++) { struct dc_crtc_timing *timing; + unsigned int num_lines = 0; if (!res_ctx->pipe_ctx[i].stream) continue; pipe = &res_ctx->pipe_ctx[i]; timing = &pipe->stream->timing; - pipes[pipe_cnt].pipe.dest.vtotal = pipe->stream->adjust.v_total_min; + num_lines = micro_sec_to_vert_lines(dcn3_14_ip.VBlankNomDefaultUS, timing); + + if (pipe->stream->adjust.v_total_min != 0) + pipes[pipe_cnt].pipe.dest.vtotal = pipe->stream->adjust.v_total_min; + else + pipes[pipe_cnt].pipe.dest.vtotal = timing->v_total; + pipes[pipe_cnt].pipe.dest.vblank_nom = timing->v_total - pipes[pipe_cnt].pipe.dest.vactive; - pipes[pipe_cnt].pipe.dest.vblank_nom = min(pipes[pipe_cnt].pipe.dest.vblank_nom, dcn3_14_ip.VBlankNomDefaultUS); + pipes[pipe_cnt].pipe.dest.vblank_nom = min(pipes[pipe_cnt].pipe.dest.vblank_nom, num_lines); pipes[pipe_cnt].pipe.dest.vblank_nom = max(pipes[pipe_cnt].pipe.dest.vblank_nom, timing->v_sync_width); pipes[pipe_cnt].pipe.dest.vblank_nom = min(pipes[pipe_cnt].pipe.dest.vblank_nom, max_allowed_vblank_nom); |