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drm/msm: add modeset module param

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At least for debugging it is nice to have an easy way to force the
driver not to load.

Signed-off-by: Rob Clark <robdclark@gmail.com>
This commit is contained in:
Rob Clark 2017-07-06 16:33:44 -04:00
parent a7d3bb0045
commit ba4dd71828
1 changed files with 7 additions and 0 deletions
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7
drivers/gpu/drm/msm/msm_drv.c
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@ -73,6 +73,10 @@ bool dumpstate = false;
MODULE_PARM_DESC(dumpstate, "Dump KMS state on errors");
module_param(dumpstate, bool, 0600);
static bool modeset = true;
MODULE_PARM_DESC(modeset, "Use kernel modesetting [KMS] (1=on (default), 0=disable)");
module_param(modeset, bool, 0600);
/*
* Util/helpers:
*/
@ -1133,6 +1137,9 @@ static struct platform_driver msm_platform_driver = {
static int __init msm_drm_register(void)
{
if (!modeset)
return -EINVAL;
DBG("init");
msm_mdp_register();
msm_dsi_register();