diff options
| author | Gabe Teeger <Gabe.Teeger@amd.com> | 2024-12-13 15:15:00 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-02-17 10:04:49 +0100 |
| commit | d1544dc32c67c80b9e3512fa4e187931be1a9e8c (patch) | |
| tree | f4ea067402605db1d1abffe1ef7d40bc9ee3f323 /drivers/gpu | |
| parent | 835d37b60bc31bef2ac84580b2f7972bcabbbcfc (diff) | |
| download | linux-d1544dc32c67c80b9e3512fa4e187931be1a9e8c.tar.gz linux-d1544dc32c67c80b9e3512fa4e187931be1a9e8c.tar.bz2 linux-d1544dc32c67c80b9e3512fa4e187931be1a9e8c.zip | |
drm/amd/display: Limit Scaling Ratio on DCN3.01
[ Upstream commit abc0ad6d08440761b199988c329ad7ac83f41c9b ]
[why]
Underflow and flickering was occuring due to high scaling ratios
when resizing videos.
[how]
Limit the scaling ratios by increasing the max scaling factor
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Gabe Teeger <Gabe.Teeger@amd.com>
Signed-off-by: Tom Chung <chiahsuan.chung@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/resource/dcn301/dcn301_resource.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn301/dcn301_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn301/dcn301_resource.c index 7d04739c3ba1..4bbbe07ecde7 100644 --- a/drivers/gpu/drm/amd/display/dc/resource/dcn301/dcn301_resource.c +++ b/drivers/gpu/drm/amd/display/dc/resource/dcn301/dcn301_resource.c @@ -671,9 +671,9 @@ static const struct dc_plane_cap plane_cap = { /* 6:1 downscaling ratio: 1000/6 = 166.666 */ .max_downscale_factor = { - .argb8888 = 167, - .nv12 = 167, - .fp16 = 167 + .argb8888 = 358, + .nv12 = 358, + .fp16 = 358 }, 64, 64 @@ -694,7 +694,7 @@ static const struct dc_debug_options debug_defaults_drv = { .disable_dcc = DCC_ENABLE, .vsr_support = true, .performance_trace = false, - .max_downscale_src_width = 7680,/*upto 8K*/ + .max_downscale_src_width = 4096,/*upto true 4k*/ .scl_reset_length10 = true, .sanity_checks = false, .underflow_assert_delay_us = 0xFFFFFFFF, |