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| author | Paul Mundt <lethal@linux-sh.org> | 2011-05-31 13:10:26 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2011-05-31 13:10:26 +0900 |
| commit | 8181d3ef26ed1d9eb21e2cdcac374e1f457fdc06 (patch) | |
| tree | 1a081f09ebcf2a84de899ddeadd0e4c5e48b50d2 /drivers/gpu/drm/nouveau/nv50_pm.c | |
| parent | 54525552c6ccfd867e819845da14be994e303218 (diff) | |
| parent | 55922c9d1b84b89cb946c777fddccb3247e7df2c (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into sh-fixes-for-linus
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv50_pm.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nv50_pm.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nv50_pm.c b/drivers/gpu/drm/nouveau/nv50_pm.c index 7dbb305d7e6..8a2810011bd 100644 --- a/drivers/gpu/drm/nouveau/nv50_pm.c +++ b/drivers/gpu/drm/nouveau/nv50_pm.c @@ -47,6 +47,21 @@ nv50_pm_clock_get(struct drm_device *dev, u32 id) reg0 = nv_rd32(dev, pll.reg + 0); reg1 = nv_rd32(dev, pll.reg + 4); + + if ((reg0 & 0x80000000) == 0) { + if (id == PLL_SHADER) { + NV_DEBUG(dev, "Shader PLL is disabled. " + "Shader clock is twice the core\n"); + ret = nv50_pm_clock_get(dev, PLL_CORE); + if (ret > 0) + return ret << 1; + } else if (id == PLL_MEMORY) { + NV_DEBUG(dev, "Memory PLL is disabled. " + "Memory clock is equal to the ref_clk\n"); + return pll.refclk; + } + } + P = (reg0 & 0x00070000) >> 16; N = (reg1 & 0x0000ff00) >> 8; M = (reg1 & 0x000000ff); |