the hw prefers higher post dividers
Signed-off-by: Alex Deucher alexdeucher@gmail.com --- 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 7422f27..1de2248 100644 --- a/drivers/gpu/drm/radeon/radeon_display.c +++ b/drivers/gpu/drm/radeon/radeon_display.c @@ -513,7 +513,7 @@ static void radeon_compute_pll_legacy(struct radeon_pll *pll, max_fractional_feed_div = pll->max_frac_feedback_div; }
- for (post_div = min_post_div; post_div <= max_post_div; ++post_div) { + for (post_div = max_post_div; post_div >= min_post_div; --post_div) { uint32_t ref_div;
if ((pll->flags & RADEON_PLL_NO_ODD_POST_DIV) && (post_div & 1))