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| author | Christian König <christian.koenig@amd.com> | 2014-05-21 15:25:41 +0200 |
|---|---|---|
| committer | Christian König <christian.koenig@amd.com> | 2014-05-30 14:13:30 +0200 |
| commit | 4b21ce1b4b5d262e7d4656b8ececc891fc3cb806 (patch) | |
| tree | b2093d2293c268dcbd88f5be39c429bb38f1b495 | |
| parent | efb27e73e12633a24dfdc67b8a6a58c4b427f3e4 (diff) | |
| download | blackbird-op-linux-4b21ce1b4b5d262e7d4656b8ececc891fc3cb806.tar.gz blackbird-op-linux-4b21ce1b4b5d262e7d4656b8ececc891fc3cb806.zip | |
drm/radeon: lower the ref * post PLL maximum once more
Let's be conservative and use 100 here until we find something better.
Bugs: https://bugzilla.kernel.org/show_bug.cgi?id=75241
Signed-off-by: Christian König <christian.koenig@amd.com>
| -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 f00dbbf4d806..356b733caafe 100644 --- a/drivers/gpu/drm/radeon/radeon_display.c +++ b/drivers/gpu/drm/radeon/radeon_display.c @@ -862,7 +862,7 @@ static void avivo_get_fb_ref_div(unsigned nom, unsigned den, unsigned post_div, unsigned *fb_div, unsigned *ref_div) { /* limit reference * post divider to a maximum */ - ref_div_max = min(128 / post_div, ref_div_max); + ref_div_max = max(min(100 / post_div, ref_div_max), 1u); /* get matching reference and feedback divider */ *ref_div = min(max(DIV_ROUND_CLOSEST(den, post_div), 1u), ref_div_max); |
