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author | Christian König <christian.koenig@amd.com> | 2020-09-09 13:12:46 +0200 |
---|---|---|
committer | Alex Deucher <alexander.deucher@amd.com> | 2020-09-15 17:52:42 -0400 |
commit | 0f3cd13d846105795de271ac64bb807df38513b7 (patch) | |
tree | 93f220ba07f73f367dd654c52767e65be9bc8b54 /drivers/gpu/drm/radeon | |
parent | 719a6513fb4985305ca36a5dc468a531568e697b (diff) |
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/drm/radeon')
-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) { |