| Message ID | 1423577376-25140-1-git-send-email-luis.henriques@canonical.com |
|---|---|
| State | New |
| Headers | show |
diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c index bf25061c8ac4..13ac29b1fa0c 100644 --- a/drivers/gpu/drm/radeon/radeon_display.c +++ b/drivers/gpu/drm/radeon/radeon_display.c @@ -1000,6 +1000,9 @@ void radeon_compute_pll_avivo(struct radeon_pll *pll, if (pll->flags & RADEON_PLL_USE_FRAC_FB_DIV && pll->flags & RADEON_PLL_USE_REF_DIV) ref_div_max = pll->reference_div; + else if (pll->flags & RADEON_PLL_PREFER_MINM_OVER_MAXP) + /* fix for problems on RS880 */ + ref_div_max = min(pll->max_ref_div, 7u); else ref_div_max = pll->max_ref_div;
This is a note to let you know that I have just added a patch titled drm/radeon: fix PLLs on RS880 and older v2 to the linux-3.16.y-queue branch of the 3.16.y-ckt extended stable tree which can be found at: http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/linux-3.16.y-queue This patch is scheduled to be released in version 3.16.7-ckt7. If you, or anyone else, feels it should not be added to this tree, please reply to this email. For more information about the 3.16.y-ckt tree, see https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable Thanks. -Luis ------ From 1d5626b98117dac5e0f0034b490cc732b8e6fd70 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com> Date: Thu, 29 Jan 2015 16:01:03 +0100 Subject: drm/radeon: fix PLLs on RS880 and older v2 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit commit 72edd83cc9e5819ed1ee771519143d7594e059f0 upstream. This is a workaround for RS880 and older chips which seem to have an additional limit on the minimum PLL input frequency. v2: fix signed/unsigned warning bugs: https://bugzilla.kernel.org/show_bug.cgi?id=91861 https://bugzilla.kernel.org/show_bug.cgi?id=83461 Signed-off-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Luis Henriques <luis.henriques@canonical.com> --- drivers/gpu/drm/radeon/radeon_display.c | 3 +++ 1 file changed, 3 insertions(+) -- 2.1.4