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[1/7] drm/exynos: Don't reset hdmiphy on hdmi off

Message ID 1396537864-29291-2-git-send-email-rahul.sharma@samsung.com (mailing list archive)
State New, archived
Headers show

Commit Message

Rahul Sharma April 3, 2014, 3:10 p.m. UTC 
From: Sean Paul <seanpaul@chromium.org>

This patch removes the hdmiphy reset in hdmi_poweroff. The hdmiphy reset
was added to take advantage of exynos clockgating, doing it would gate
the entire TV domain. Unfortunately, mixer is included in the TV domain
and its vsync interrupts are stopped when TV is gated.

Signed-off-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Rahul Sharma <Rahul.Sharma@samsung.com>
---
 drivers/gpu/drm/exynos/exynos_hdmi.c |    5 -----
 1 file changed, 5 deletions(-)
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Patch

diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c
index f3189af..79f98ac 100644
--- a/drivers/gpu/drm/exynos/exynos_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_hdmi.c
@@ -2056,11 +2056,6 @@  static void hdmi_poweroff(struct exynos_drm_display *display)
 		goto out;
 	mutex_unlock(&hdata->hdmi_mutex);
 
-	/*
-	 * The TV power domain needs any condition of hdmiphy to turn off and
-	 * its reset state seems to meet the condition.
-	 */
-	hdmiphy_conf_reset(hdata);
 	hdmiphy_poweroff(hdata);
 
 	clk_disable_unprepare(res->sclk_hdmi);