| Date | Fri, 17 May 2013 22:17:54 -0400 | From | Steven Rostedt <> | Subject | [ 117/136 ] drm/radeon: use frac fb div on RS780/RS880 |
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3.6.11.4 stable review patch. If anyone has any objections, please let me know.
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From: Alex Deucher <alexander.deucher@amd.com>
[ Upstream commit 411678288d61ba17afe1f8afed92200be6bbc65d ]
Monitors seem to prefer it. Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=37696
Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org Signed-off-by: Steven Rostedt <rostedt@goodmis.org> --- drivers/gpu/drm/radeon/atombios_crtc.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c index 2817101..3a3d3f8 100644 --- a/drivers/gpu/drm/radeon/atombios_crtc.c +++ b/drivers/gpu/drm/radeon/atombios_crtc.c @@ -569,6 +569,9 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc, /* use frac fb div on APUs */ if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE61(rdev)) pll->flags |= RADEON_PLL_USE_FRAC_FB_DIV; + /* use frac fb div on RS780/RS880 */ + if ((rdev->family == CHIP_RS780) || (rdev->family == CHIP_RS880)) + pll->flags |= RADEON_PLL_USE_FRAC_FB_DIV; } else { pll->flags |= RADEON_PLL_LEGACY; -- 1.7.10.4
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