From 4b6b7437b19d3116d409e747582c99152725288d Mon Sep 17 00:00:00 2001 From: Mario Kleiner Date: Mon, 28 Dec 2020 19:50:59 +0100 Subject: [PATCH] drm/amd/display: Enable fp16 also on DCE-8/10/11. The hw supports fp16, this is not only useful for HDR, but also for standard dynamic range displays, because it allows to get more precise color reproduction with about 11 - 12 bpc linear precision in the unorm range 0.0 - 1.0. Working fp16 scanout+display (and HDR over HDMI) was verified on a DCE-8 asic, so i assume that the more recent DCE-10/11 will work equally well, now that format-specific plane scaling constraints are properly enforced, e.g., the inability of fp16 to scale on older hw like DCE-8 to DCE-11. Reviewed-by: Nicholas Kazlauskas Signed-off-by: Mario Kleiner Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c | 2 +- drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c | 2 +- drivers/gpu/drm/amd/display/dc/dce80/dce80_resource.c | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c b/drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c index 8ab9d6c..f20ed05 100644 --- a/drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c @@ -385,7 +385,7 @@ static const struct dc_plane_cap plane_cap = { .pixel_format_support = { .argb8888 = true, .nv12 = false, - .fp16 = false + .fp16 = true }, .max_upscale_factor = { 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 3f63822..af208f9 100644 --- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c @@ -410,7 +410,7 @@ static const struct dc_plane_cap plane_cap = { .pixel_format_support = { .argb8888 = true, .nv12 = false, - .fp16 = false + .fp16 = true }, .max_upscale_factor = { diff --git a/drivers/gpu/drm/amd/display/dc/dce80/dce80_resource.c b/drivers/gpu/drm/amd/display/dc/dce80/dce80_resource.c index 390a0fa..26fe25c 100644 --- a/drivers/gpu/drm/amd/display/dc/dce80/dce80_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dce80/dce80_resource.c @@ -402,7 +402,7 @@ static const struct dc_plane_cap plane_cap = { .pixel_format_support = { .argb8888 = true, .nv12 = false, - .fp16 = false + .fp16 = true }, .max_upscale_factor = { -- 2.7.4