drm/amd/display: Support FP16 pixel format

[Why]
FP16 pixel format is not declared to DRM in Linux DM.

[How]
Add FP16 format to the support list presented to DRM from Linux DM.

Signed-off-by: Stylon Wang <stylon.wang@amd.com>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 6c314dbd4b75386a1d2e25b8955c00a0d10e7eae..c332e858ea4a2c44c6d3e15d1cc2fcc57364c1d3 100644 (file)
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -3660,6 +3660,10 @@ fill_dc_plane_info_and_addr(struct amdgpu_device *adev,
        case DRM_FORMAT_P010:
                plane_info->format = SURFACE_PIXEL_FORMAT_VIDEO_420_10bpc_YCrCb;
                break;
+       case DRM_FORMAT_XRGB16161616F:
+       case DRM_FORMAT_ARGB16161616F:
+               plane_info->format = SURFACE_PIXEL_FORMAT_GRPH_ARGB16161616F;
+               break;
        default:
                DRM_ERROR(
                        "Unsupported screen format %s\n",
@@ -5576,6 +5580,10 @@ static int get_plane_formats(const struct drm_plane *plane,
                        formats[num_formats++] = DRM_FORMAT_NV12;
                if (plane_cap && plane_cap->pixel_format_support.p010)
                        formats[num_formats++] = DRM_FORMAT_P010;
+               if (plane_cap && plane_cap->pixel_format_support.fp16) {
+                       formats[num_formats++] = DRM_FORMAT_XRGB16161616F;
+                       formats[num_formats++] = DRM_FORMAT_ARGB16161616F;
+               }
                break;
 
        case DRM_PLANE_TYPE_OVERLAY: