linux-kernel - Re: [RFC 5/6] drm/imx: Remove local fbdev emulation Kconfig option

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Date:	Tue, 10 Mar 2015 11:54:18 +0100
From:	Philipp Zabel <p.zabel@...gutronix.de>
To:	Archit Taneja <architt@...eaurora.org>
Cc:	daniel.vetter@...ll.ch, robdclark@...il.com, airlied@...ux.ie,
	treding@...dia.com, benjamin.gaignard@...aro.org,
	dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
	linux-arm-msm@...r.kernel.org
Subject: Re: [RFC 5/6] drm/imx: Remove local fbdev emulation Kconfig option

Hi Archit,

thanks for the cleanup!

Am Dienstag, den 10.03.2015, 15:11 +0530 schrieb Archit Taneja:
> DRM_IMX_FB_HELPER config is currently used to enable/disable fbdev emulation for
> the imx kms driver.
> 
> Remove this local config option and use the top level DRM_FBDEV_EMULATION config
> option where applicable. Using this config lets us also prevent wrapping around
> drm_fb_helper_* calls with #ifdefs in certain places.
> 
> We replace the #ifdef in imx_drm_driver_load with CONFIG_DRM_FBDEV_EMULATION.
> It's probably okay to get remove the #ifdef itself, but just left it here for
> now to be safe. It can be removed after some testing.
> 
> Signed-off-by: Archit Taneja <architt@...eaurora.org>

Tested-by: Philipp Zabel <p.zabel@...gutronix.de>
(Both with and without the #ifdef CONFIG_DRM_FBDEV_EMULATION removed.)

Although this is for another patch, I think the legacyfb_depth
module_param should be removed altogether if CONFIG_DRM_FBDEV_EMULATION
is disabled, so maybe that #ifdef should stay.

regards
Philipp

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