diff options
| author | Hyungwoo Yang <hyungwooy@nvidia.com> | 2011-10-24 15:06:17 -0700 |
|---|---|---|
| committer | Dan Willemsen <dwillemsen@nvidia.com> | 2011-11-30 21:49:33 -0800 |
| commit | 187ada86d745a7f4fed96cd6017275dbe9b21fbb (patch) | |
| tree | b12a924a37dd17cd0dcb6fd705e3b8f02af1887a /drivers/video/tegra/dc/dc.c | |
| parent | b04d67acb91dc0f388675f85a28bfa955c25d978 (diff) | |
video: tegra: support display board PM313
This change supports PM313 with 19X12 panel.
The change uses PM313 in "Single input to Dual output" mode
Bug ID : 822980
Reviewed-on: http://git-master/r/50215
(cherry picked from commit b83e795747fa860b5b7fb66b2067ebe4f15bcfd0)
Change-Id: Iabf707ded2976e9877481c215d0b1f1940781f14
Reviewed-on: http://git-master/r/60085
Reviewed-by: Varun Colbert <vcolbert@nvidia.com>
Tested-by: Varun Colbert <vcolbert@nvidia.com>
Rebase-Id: Re8eadc35c75fa21b0a5f3cb3bee0e8cb77dc3238
Diffstat (limited to 'drivers/video/tegra/dc/dc.c')
| -rw-r--r-- | drivers/video/tegra/dc/dc.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/video/tegra/dc/dc.c b/drivers/video/tegra/dc/dc.c index 9a9ddd56be36..b1c441390ce4 100644 --- a/drivers/video/tegra/dc/dc.c +++ b/drivers/video/tegra/dc/dc.c @@ -1308,11 +1308,22 @@ void tegra_dc_setup_clk(struct tegra_dc *dc, struct clk *clk) int pclk; if (dc->out->type == TEGRA_DC_OUT_RGB) { + unsigned long rate; struct clk *parent_clk = clk_get_sys(NULL, dc->out->parent_clk ? : "pll_p"); if (clk_get_parent(clk) != parent_clk) clk_set_parent(clk, parent_clk); + + if (parent_clk != clk_get_sys(NULL, "pll_p")) { + struct clk *base_clk = clk_get_parent(parent_clk); + + /* Assuming either pll_d or pll_d2 is used */ + rate = dc->mode.pclk * 2; + + if (rate != clk_get_rate(base_clk)) + clk_set_rate(base_clk, rate); + } } if (dc->out->type == TEGRA_DC_OUT_HDMI) { |