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| author | Christian König <christian.koenig@amd.com> | 2020-09-09 14:12:46 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-09-16 01:25:57 +0300 |
| commit | 40eab0f8956724b0c2bb9e5679269632afb72b26 (patch) | |
| tree | f5ae0f0344c04523e8b799992a91bc62cc20313a /drivers/gpu | |
| parent | 5367eb6d8a98b8682877961f4ccee1088d5735f3 (diff) | |
| download | linux-40eab0f8956724b0c2bb9e5679269632afb72b26.tar.xz | |
drm/radeon: revert "Prefer lower feedback dividers"
Turns out this breaks a lot of different hardware.
This reverts commit fc8c70526bd30733ea8667adb8b8ffebea30a8ed.
Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Nirmoy Das <nirmoy.das@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_display.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c index 7b69d6dfe44a..e0ae911ef427 100644 --- a/drivers/gpu/drm/radeon/radeon_display.c +++ b/drivers/gpu/drm/radeon/radeon_display.c @@ -933,7 +933,7 @@ static void avivo_get_fb_ref_div(unsigned nom, unsigned den, unsigned post_div, /* get matching reference and feedback divider */ *ref_div = min(max(den/post_div, 1u), ref_div_max); - *fb_div = max(nom * *ref_div * post_div / den, 1u); + *fb_div = DIV_ROUND_CLOSEST(nom * *ref_div * post_div, den); /* limit fb divider to its maximum */ if (*fb_div > fb_div_max) { |