diff options
| author | Jonathan Gray <jsg@cvs.openbsd.org> | 2023-02-23 02:13:25 +0000 |
|---|---|---|
| committer | Jonathan Gray <jsg@cvs.openbsd.org> | 2023-02-23 02:13:25 +0000 |
| commit | d11d0b3a465886abffeea7090b98e2f99ae52f31 (patch) | |
| tree | c56c00247d52ae6d9348d408cbe338e3dae38ce2 | |
| parent | baa5dc829546533bf38afac83ada59697ebbcc53 (diff) | |
drm/amd/display: Adjust downscaling limits for dcn314
From Daniel Miess
7dbd205349f1fb098057c28a9a2af244aa868f72 in linux-6.1.y/6.1.13
dd2db2dc4bd298f33dea50c80c3c11bee4e3b0a4 in mainline linux
| -rw-r--r-- | sys/dev/pci/drm/amd/display/dc/dcn314/dcn314_resource.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/sys/dev/pci/drm/amd/display/dc/dcn314/dcn314_resource.c b/sys/dev/pci/drm/amd/display/dc/dcn314/dcn314_resource.c index 9066c511a05..c80c8c8f51e 100644 --- a/sys/dev/pci/drm/amd/display/dc/dcn314/dcn314_resource.c +++ b/sys/dev/pci/drm/amd/display/dc/dcn314/dcn314_resource.c @@ -871,8 +871,9 @@ static const struct dc_plane_cap plane_cap = { }, // 6:1 downscaling ratio: 1000/6 = 166.666 + // 4:1 downscaling ratio for ARGB888 to prevent underflow during P010 playback: 1000/4 = 250 .max_downscale_factor = { - .argb8888 = 167, + .argb8888 = 250, .nv12 = 167, .fp16 = 167 }, @@ -1755,7 +1756,7 @@ static bool dcn314_resource_construct( pool->base.underlay_pipe_index = NO_UNDERLAY_PIPE; pool->base.pipe_count = pool->base.res_cap->num_timing_generator; pool->base.mpcc_count = pool->base.res_cap->num_timing_generator; - dc->caps.max_downscale_ratio = 600; + dc->caps.max_downscale_ratio = 400; dc->caps.i2c_speed_in_khz = 100; dc->caps.i2c_speed_in_khz_hdcp = 100; dc->caps.max_cursor_size = 256; |