Hi Thomas, Thanks for your review.
-----Original Message----- From: Thomas Zimmermann tzimmermann@suse.de Sent: Thursday, October 14, 2021 5:50 AM To: Chrisanthus, Anitha anitha.chrisanthus@intel.com; dri- devel@lists.freedesktop.org Cc: sam@ravnborg.org; Dea, Edmund J edmund.j.dea@intel.com Subject: Re: [PATCH v3 7/7] drm/kmb: Enable support for framebuffer console
Hi
Am 14.10.21 um 01:36 schrieb Anitha Chrisanthus:
Enable support for fbcon (framebuffer console). The user can initialize fbcon by loading kmb-drm with the parameter console=1.
v2: added missing static clk_enable
Signed-off-by: Edmund Dea edmund.j.dea@intel.com Signed-off-by: Anitha Chrisanthus anitha.chrisanthus@intel.com
drivers/gpu/drm/kmb/kmb_drv.c | 11 +++++++++++ 1 file changed, 11 insertions(+)
diff --git a/drivers/gpu/drm/kmb/kmb_drv.c
b/drivers/gpu/drm/kmb/kmb_drv.c
index 961ac6fb5fcf..b4e66eac63b5 100644 --- a/drivers/gpu/drm/kmb/kmb_drv.c +++ b/drivers/gpu/drm/kmb/kmb_drv.c @@ -5,6 +5,7 @@
#include <linux/clk.h> #include <linux/module.h> +#include <linux/moduleparam.h> #include <linux/of_graph.h> #include <linux/of_platform.h> #include <linux/of_reserved_mem.h> @@ -15,6 +16,7 @@
#include <drm/drm_atomic_helper.h> #include <drm/drm_drv.h> +#include <drm/drm_fb_helper.h> #include <drm/drm_gem_cma_helper.h> #include <drm/drm_gem_framebuffer_helper.h> #include <drm/drm_probe_helper.h> @@ -24,6 +26,12 @@ #include "kmb_dsi.h" #include "kmb_regs.h"
+/* Module Parameters */ +static bool console; +module_param(console, bool, 0400); +MODULE_PARM_DESC(console,
"Enable framebuffer console support (0=disable [default],
1=on)");
There's already fbdev_emulation in drm_fb_helper.c. No need for a separate parameter here.
Good catch, I'll change it in V4.
Best regards Thomas
- static int kmb_display_clk_enable(struct kmb_drm_private *kmb) { int ret = 0;
@@ -559,6 +567,9 @@ static int kmb_probe(struct platform_device *pdev) if (ret) goto err_register;
if (console)
drm_fbdev_generic_setup(&kmb->drm, 32);
return 0;
err_register:
-- Thomas Zimmermann Graphics Driver Developer SUSE Software Solutions Germany GmbH Maxfeldstr. 5, 90409 Nürnberg, Germany (HRB 36809, AG Nürnberg) Geschäftsführer: Felix Imendörffer