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Commit 9bb09fa1 authored by Alex Deucher's avatar Alex Deucher Committed by Dave Airlie
Browse files

drm/radeon/kms: pll tweaks for rv6xx 

Prefer minm over maxp.

Fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=35994



Signed-off-by: default avatarAlex Deucher <alexdeucher@gmail.com>
Cc: stable@kernel.org
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent 88a2b75c

drivers/gpu/drm/radeon/atombios_crtc.c

+6 −0
Original line number Diff line number Diff line
@@ -531,6 +531,12 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc, 
			pll->flags |= RADEON_PLL_PREFER_HIGH_FB_DIV;

		else

			pll->flags |= RADEON_PLL_PREFER_LOW_REF_DIV;



		if ((rdev->family == CHIP_R600) ||

		    (rdev->family == CHIP_RV610) ||

		    (rdev->family == CHIP_RV630) ||

		    (rdev->family == CHIP_RV670))

			pll->flags |= RADEON_PLL_PREFER_MINM_OVER_MAXP;

	} else {

		pll->flags |= RADEON_PLL_LEGACY;