[PATCH 17/20] video: msm: Prevent framebuffer glitch during initialization
From: Sergei Shtylyov <hidden>
Date: 2011-03-21 13:41:40
Also in:
linux-arm-msm, linux-fbdev, lkml
Hello. Carl Vanderlip wrote:
Holds a reference to the mdp_clk until lateinit, and moves the frambuffer initialization to device_init.
Maybe I'm just blind but I don't see where the patch does the latter...
The framebuffer lcdc driver will grab a reference to mdp_clk, which prevents the clock from being disabled by clock_late_init.
Authors: Dima Zavin [off-list ref] Rebecca Schultz Zavin [off-list ref] Colin Cross [off-list ref]
Signed-off-by: Carl Vanderlip <redacted> --- drivers/video/msm/mdp.c | 10 ++++++++++ 1 files changed, 10 insertions(+), 0 deletions(-)
quoted hunk ↗ jump to hunk
diff --git a/drivers/video/msm/mdp.c b/drivers/video/msm/mdp.c index 0bb19fa..b3f334ad 100644 --- a/drivers/video/msm/mdp.c +++ b/drivers/video/msm/mdp.c@@ -38,6 +38,7 @@ struct class *mdp_class; static DECLARE_WAIT_QUEUE_HEAD(mdp_ppp_waitqueue); static unsigned int mdp_irq_mask; +struct clk *mdp_clk_to_disable_later;
Why not just 'mdp_clk'? :-)
WBR, Sergei