From: Shirish S <[email protected]> CZ & ST support uptil a limit 2:1 downscaling, this patch adds validate_plane hook, that shall be used to validate the plane attributes sent by the user space based on dce110 capabilities.
Signed-off-by: Shirish S <[email protected]> Reviewed-by: Harry Wentland <[email protected]> --- drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c index 9b34c400c041..830cbbc4adeb 100644 --- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c @@ -846,6 +846,16 @@ static bool dce110_validate_bandwidth( return result; } +enum dc_status dce110_validate_plane(const struct dc_plane_state *plane_state, + struct dc_caps *caps) +{ + if (((plane_state->dst_rect.width * 2) < plane_state->src_rect.width) || + ((plane_state->dst_rect.height * 2) < plane_state->src_rect.height)) + return DC_FAIL_SURFACE_VALIDATE; + + return DC_OK; +} + static bool dce110_validate_surface_sets( struct dc_state *context) { @@ -1021,6 +1031,7 @@ static const struct resource_funcs dce110_res_pool_funcs = { .link_enc_create = dce110_link_encoder_create, .validate_guaranteed = dce110_validate_guaranteed, .validate_bandwidth = dce110_validate_bandwidth, + .validate_plane = dce110_validate_plane, .acquire_idle_pipe_for_layer = dce110_acquire_underlay, .add_stream_to_ctx = dce110_add_stream_to_ctx, .validate_global = dce110_validate_global -- 2.14.1 _______________________________________________ amd-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/amd-gfx
