From 83348d5d38bc3e3a551bb754b68388d2dffe9c13 Mon Sep 17 00:00:00 2001
From: Stylon Wang <stylon.wang@amd.com>
Date: Tue, 21 Apr 2020 20:47:41 +0800
Subject: drm/amd/display: Support FP16 pixel format
Git-commit: 492548dcb045e1bd3a7424fb75a8fbe7dbd09ec4
Patch-mainline: v5.8-rc1
References: jsc#SLE-12680, jsc#SLE-12880, jsc#SLE-12882, jsc#SLE-12883, jsc#SLE-13496, jsc#SLE-15322
[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>
Signed-off-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 8 ++++++++
1 file changed, 8 insertions(+)
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 c2e9369f4bb0..75ca3dd3ccd6 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -3642,6 +3642,10 @@ 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",
@@ -5554,6 +5558,10 @@ 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:
--
2.28.0