From: Shawn Guo <shawn....@linaro.org>
Some VOU modules do not work well with clock auto-gating. For example,
VGA I2C bus will fail to read EDID data from monitor. Let's not enable
this feature by default, and leave it to the possible future low-power
optimization.
Signed-off-by: Shawn Guo <shawn....@linaro.org>
Reviewed-by: Sean Paul <seanp...@chromium.org>
Acked-by: Daniel Vetter <daniel.vet...@ffwll.ch>
---
drivers/gpu/drm/zte/zx_vou.c | 3 ---
1 file changed, 3 deletions(-)
diff --git a/drivers/gpu/drm/zte/zx_vou.c b/drivers/gpu/drm/zte/zx_vou.c
index cf92d675feaa..2a2d90bd9425 100644
--- a/drivers/gpu/drm/zte/zx_vou.c
+++ b/drivers/gpu/drm/zte/zx_vou.c
@@ -720,9 +720,6 @@ static void vou_hw_init(struct zx_vou_hw *vou)
/* Release reset for all VOU modules */
zx_writel(vou->vouctl + VOU_SOFT_RST, ~0);
- /* Enable clock auto-gating for all VOU modules */
- zx_writel(vou->vouctl + VOU_CLK_REQEN, ~0);
-
/* Enable all VOU module clocks */
zx_writel(vou->vouctl + VOU_CLK_EN, ~0);
--
1.9.1
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