From: Ryan Seto ryanseto@amd.com

[WHY] Added HW cursor visual confirm

[HOW] Added visual confirm logic when programming cursor positions. HW is programmed on cursor updates since cursor can change without flips.

Reviewed-by: Alvin Lee alvin.lee2@amd.com Cc: Mario Limonciello mario.limonciello@amd.com Cc: Alex Deucher alexander.deucher@amd.com Cc: stable@vger.kernel.org Acked-by: Alex Hung alex.hung@amd.com Signed-off-by: Ryan Seto ryanseto@amd.com --- .../gpu/drm/amd/display/dc/core/dc_stream.c | 29 +++++++++++++++++++ drivers/gpu/drm/amd/display/dc/dc.h | 1 + 2 files changed, 30 insertions(+)

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 9b24f448ce50..de0633f98158 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c @@ -416,6 +416,35 @@ bool dc_stream_program_cursor_position( if (reset_idle_optimizations && !dc->debug.disable_dmub_reallow_idle) dc_allow_idle_optimizations(dc, true);

+ /* apply/update visual confirm */ + if (dc->debug.visual_confirm == VISUAL_CONFIRM_HW_CURSOR) { + /* update software state */ + uint32_t color_value = MAX_TG_COLOR_VALUE; + int i; + + for (i = 0; i < dc->res_pool->pipe_count; i++) { + struct pipe_ctx *pipe_ctx = &dc->current_state->res_ctx.pipe_ctx[i]; + + /* adjust visual confirm color for all pipes with current stream */ + if (stream == pipe_ctx->stream) { + if (stream->cursor_position.enable) { + pipe_ctx->visual_confirm_color.color_r_cr = color_value; + pipe_ctx->visual_confirm_color.color_g_y = 0; + pipe_ctx->visual_confirm_color.color_b_cb = 0; + } else { + pipe_ctx->visual_confirm_color.color_r_cr = 0; + pipe_ctx->visual_confirm_color.color_g_y = 0; + pipe_ctx->visual_confirm_color.color_b_cb = color_value; + } + + /* programming hardware */ + if (pipe_ctx->plane_state) + dc->hwss.update_visual_confirm_color(dc, pipe_ctx, + pipe_ctx->plane_res.hubp->mpcc_id); + } + } + } + return true; }

diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h index e0334b573f2d..64241de70f15 100644 --- a/drivers/gpu/drm/amd/display/dc/dc.h +++ b/drivers/gpu/drm/amd/display/dc/dc.h @@ -476,6 +476,7 @@ enum visual_confirm { VISUAL_CONFIRM_SUBVP = 14, VISUAL_CONFIRM_MCLK_SWITCH = 16, VISUAL_CONFIRM_FAMS2 = 19, + VISUAL_CONFIRM_HW_CURSOR = 20, };

enum dc_psr_power_opts {