Commit 9a8b0a23 authored Feb 15, 2017 by Mihail Atanassov Committed by Liviu Dudau Mar 10, 2017

drm: mali-dp: Remove mclk rate management

The rate of mclk depends on the use-case. If no downscaling is required,
then mclk == pxlclk is a valid option; with downscaling however, the
rate at which mclk runs determines how much a plane can be downscaled
before composition. This is a system integration + power management
issue that is more suited to firmware rather than this driver.

Signed-off-by: Mihail Atanassov <mihail.atanassov@arm.com>
Signed-off-by: Liviu Dudau <Liviu.Dudau@arm.com>

parent 3f81e134

drivers/gpu/drm/arm/malidp_crtc.c

+1 −2

Original line number	Diff line number	Diff line
		@@ -63,8 +63,7 @@ static void malidp_crtc_enable(struct drm_crtc *crtc)

		clk_prepare_enable(hwdev->pxlclk);

		/* mclk needs to be set to the same or higher rate than pxlclk */
		clk_set_rate(hwdev->mclk, crtc->state->adjusted_mode.crtc_clock * 1000);
		/* We rely on firmware to set mclk to a sensible level. */
		clk_set_rate(hwdev->pxlclk, crtc->state->adjusted_mode.crtc_clock * 1000);

		hwdev->modeset(hwdev, &vm);