Commit 08058973 authored by Shirish S's avatar Shirish S Committed by Alex Deucher

drm/amd/display: validate plane in dce110 for scaling

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: default avatarShirish S <shirish.s@amd.com>
Reviewed-by: default avatarHarry Wentland <Harry.Wentland@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent c21b68c5
......@@ -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
......
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