From: Martin Tsai <[email protected]> [why] We didn't transfer the camera/video viewport coordinate when doing rotation and mirror.
[how] To correct the viewport coordinate in calculate_viewport(). Change-Id: I46f4c1fb2d3dc976e5164de373a5c58f0c8fb43a Signed-off-by: Martin Tsai <[email protected]> Reviewed-by: Charlene Liu <[email protected]> Acked-by: Bhawanpreet Lakha <[email protected]> --- drivers/gpu/drm/amd/display/dc/core/dc_resource.c | 49 +++++++++++++++++++++++ 1 file changed, 49 insertions(+) diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c index 0db6651bc15b..21b5c4cb6f74 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c @@ -469,6 +469,18 @@ static void calculate_viewport(struct pipe_ctx *pipe_ctx) pipe_ctx->bottom_pipe->plane_state == pipe_ctx->plane_state; bool sec_split = pipe_ctx->top_pipe && pipe_ctx->top_pipe->plane_state == pipe_ctx->plane_state; + bool flip_vert_scan_dir = false, flip_horz_scan_dir = false; + + /* + * Need to calculate the scan direction for viewport to properly determine offset + */ + if (pipe_ctx->plane_state->rotation == ROTATION_ANGLE_180) { + flip_vert_scan_dir = true; + flip_horz_scan_dir = true; + } else if (pipe_ctx->plane_state->rotation == ROTATION_ANGLE_90) + flip_vert_scan_dir = true; + else if (pipe_ctx->plane_state->rotation == ROTATION_ANGLE_270) + flip_horz_scan_dir = true; if (stream->view_format == VIEW_3D_FORMAT_SIDE_BY_SIDE || stream->view_format == VIEW_3D_FORMAT_TOP_AND_BOTTOM) { @@ -512,6 +524,34 @@ static void calculate_viewport(struct pipe_ctx *pipe_ctx) data->viewport.height = clip.height * surf_src.height / plane_state->dst_rect.height; + /* To transfer the x, y to correct coordinate on mirror image (camera). + * deg 0 : transfer x, + * deg 90 : don't need to transfer, + * deg180 : transfer y, + * deg270 : transfer x and y. + * To transfer the x, y to correct coordinate on non-mirror image (video). + * deg 0 : don't need to transfer, + * deg 90 : transfer y, + * deg180 : transfer x and y, + * deg270 : transfer x. + */ + if (pipe_ctx->plane_state->horizontal_mirror) { + if (flip_horz_scan_dir && !flip_vert_scan_dir) { + data->viewport.y = surf_src.height - data->viewport.y - data->viewport.height; + data->viewport.x = surf_src.width - data->viewport.x - data->viewport.width; + } else if (flip_horz_scan_dir && flip_vert_scan_dir) + data->viewport.y = surf_src.height - data->viewport.y - data->viewport.height; + else { + if (!flip_horz_scan_dir && !flip_vert_scan_dir) + data->viewport.x = surf_src.width - data->viewport.x - data->viewport.width; + } + } else { + if (flip_horz_scan_dir) + data->viewport.x = surf_src.width - data->viewport.x - data->viewport.width; + if (flip_vert_scan_dir) + data->viewport.y = surf_src.height - data->viewport.y - data->viewport.height; + } + /* Round down, compensate in init */ data->viewport_c.x = data->viewport.x / vpc_div; data->viewport_c.y = data->viewport.y / vpc_div; @@ -707,6 +747,15 @@ static void calculate_inits_and_adj_vp(struct pipe_ctx *pipe_ctx, struct rect *r rect_swap_helper(&src); rect_swap_helper(&data->viewport_c); rect_swap_helper(&data->viewport); + + if (pipe_ctx->plane_state->rotation == ROTATION_ANGLE_270 && + pipe_ctx->plane_state->horizontal_mirror) { + flip_vert_scan_dir = true; + } + if (pipe_ctx->plane_state->rotation == ROTATION_ANGLE_90 && + pipe_ctx->plane_state->horizontal_mirror) { + flip_vert_scan_dir = false; + } } else if (pipe_ctx->plane_state->horizontal_mirror) flip_horz_scan_dir = !flip_horz_scan_dir; -- 2.14.1 _______________________________________________ amd-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/amd-gfx
