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| author | Austin Zheng <Austin.Zheng@amd.com> | 2024-10-18 14:55:21 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-11-04 11:33:32 -0500 |
| commit | d29bd94c4fc9f10e043a5a207c902b4261cb7fd7 (patch) | |
| tree | b646904a9f730e7836e88f585cf00bb81860aad4 /drivers/gpu/drm/amd/display | |
| parent | b95264cf75bd8840b10733c50678d154c02b5431 (diff) | |
| download | linux-d29bd94c4fc9f10e043a5a207c902b4261cb7fd7.tar.gz linux-d29bd94c4fc9f10e043a5a207c902b4261cb7fd7.tar.bz2 linux-d29bd94c4fc9f10e043a5a207c902b4261cb7fd7.zip | |
drm/amd/display: Do Not Fallback To SW Cursor If HW Cursor Required
[Why/How]
Tearing can occur if there is a flip immediate plane and SW cursor.
check_subvp_sw_cursor_fallback_req falls back to SW cursor if the
stream has the potential to use subVP.
Check for fallback not needed if HW cursor is required.
e.g. Fullscreen gaming
Reviewed-by: Dillon Varone <dillon.varone@amd.com>
Signed-off-by: Austin Zheng <Austin.Zheng@amd.com>
Signed-off-by: Zaeem Mohamed <zaeem.mohamed@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_stream.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c index 5d233c09d239..8b0632104aef 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c @@ -292,7 +292,9 @@ bool dc_stream_set_cursor_attributes( * 2. If not subvp high refresh, for single display cases, if resolution is >= 5K and refresh rate < 120hz * 3. If not subvp high refresh, for multi display cases, if resolution is >= 4K and refresh rate < 120hz */ - if (dc->debug.allow_sw_cursor_fallback && attributes->height * attributes->width * 4 > 16384) { + if (dc->debug.allow_sw_cursor_fallback && + attributes->height * attributes->width * 4 > 16384 && + !stream->hw_cursor_req) { if (check_subvp_sw_cursor_fallback_req(dc, stream)) return false; } |