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drm.7971
0516-drm-fsl-dcu-avoid-disabling-pixel-clock-tw...
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File 0516-drm-fsl-dcu-avoid-disabling-pixel-clock-twice-on-sus.patch of Package drm.7971
From 48f4d1f7fe48627a4c5c9332bcdf0f2a906e2f20 Mon Sep 17 00:00:00 2001 From: Stefan Agner <stefan@agner.ch> Date: Thu, 9 Nov 2017 15:39:56 +0100 Subject: [PATCH] drm/fsl-dcu: avoid disabling pixel clock twice on suspend commit 9306e996574f7f57136a62e49cd0075f85713623 upstream. With commit 0a70c998d0c5 ("drm/fsl-dcu: enable pixel clock when enabling CRTC") the pixel clock is controlled by the CRTC code. Disabling the pixel clock in suspend leads to a warning due to the second clk_disable_unprepare call: WARNING: CPU: 0 PID: 359 at drivers/clk/clk.c:594 clk_core_disable+0x8c/0x90 Remove clk_disable_unprepare call for pixel clock to avoid unbalanced clock disable on suspend. Fixes: 0a70c998d0c5 ("drm/fsl-dcu: enable pixel clock when enabling CRTC") Signed-off-by: Stefan Agner <stefan@agner.ch> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c | 1 - 1 file changed, 1 deletion(-) --- a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c +++ b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c @@ -243,7 +243,6 @@ static int fsl_dcu_drm_pm_suspend(struct return PTR_ERR(fsl_dev->state); } - clk_disable_unprepare(fsl_dev->pix_clk); clk_disable_unprepare(fsl_dev->clk); return 0;
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