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| author | Andrzej Hajda <a.hajda@samsung.com> | 2015-09-25 14:48:23 +0200 |
|---|---|---|
| committer | Inki Dae <daeinki@gmail.com> | 2015-10-26 15:09:52 +0900 |
| commit | da5e36ae963b24318e0d6b9f226abb795999106a (patch) | |
| tree | 23784e11bc2718fa78241563910e98681f88332e | |
| parent | 1ab739db8ed86ab2815d903c0e53d88a88e315c4 (diff) | |
| download | op-kernel-dev-da5e36ae963b24318e0d6b9f226abb795999106a.zip op-kernel-dev-da5e36ae963b24318e0d6b9f226abb795999106a.tar.gz | |
drm/exynos/hdmi: simplify clock re-parenting
Driver tries to disable sclk_hdmi during re-parenting, to avoid possible
glitches. It is ineffective as the clock is used also by other devices (mixer).
Anyway driver works without disabling sclk_hdmi.
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_hdmi.c | 4 |
1 files changed, 0 insertions, 4 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c index 583dd5e..475341f 100644 --- a/drivers/gpu/drm/exynos/exynos_hdmi.c +++ b/drivers/gpu/drm/exynos/exynos_hdmi.c @@ -1569,9 +1569,7 @@ static void hdmi_mode_apply(struct hdmi_context *hdata) hdmiphy_wait_for_pll(hdata); - clk_disable_unprepare(hdata->res.sclk_hdmi); clk_set_parent(hdata->res.mout_hdmi, hdata->res.sclk_hdmiphy); - clk_prepare_enable(hdata->res.sclk_hdmi); /* enable HDMI and timing generator */ hdmi_start(hdata, true); @@ -1579,9 +1577,7 @@ static void hdmi_mode_apply(struct hdmi_context *hdata) static void hdmiphy_conf_reset(struct hdmi_context *hdata) { - clk_disable_unprepare(hdata->res.sclk_hdmi); clk_set_parent(hdata->res.mout_hdmi, hdata->res.sclk_pixel); - clk_prepare_enable(hdata->res.sclk_hdmi); /* reset hdmiphy */ hdmi_reg_writemask(hdata, HDMI_PHY_RSTOUT, ~0, HDMI_PHY_SW_RSTOUT); |
