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From: Anitha Chrisanthus <anitha.chrisanthus@intel.com>
To: dri-devel@lists.freedesktop.org, anitha.chrisanthus@intel.com
Cc: sam@ravnborg.org, edmund.j.dea@intel.com
Subject: [PATCH v3 7/7] drm/kmb: Enable support for framebuffer console
Date: Wed, 13 Oct 2021 16:36:32 -0700	[thread overview]
Message-ID: <20211013233632.471892-7-anitha.chrisanthus@intel.com> (raw)
In-Reply-To: <20211013233632.471892-1-anitha.chrisanthus@intel.com>

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)");
+
 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:
-- 
2.25.1


  parent reply	other threads:[~2021-10-13 23:37 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-10-13 23:36 [PATCH v3 1/7] drm/kmb: Work around for higher system clock Anitha Chrisanthus
2021-10-13 23:36 ` [PATCH v3 2/7] drm/kmb: Limit supported mode to 1080p Anitha Chrisanthus
2021-10-14 18:36   ` Sam Ravnborg
2021-10-13 23:36 ` [PATCH v3 3/7] drm/kmb: Remove clearing DPHY regs Anitha Chrisanthus
2021-10-14 18:37   ` Sam Ravnborg
2021-10-13 23:36 ` [PATCH v3 4/7] drm/kmb: Disable change of plane parameters Anitha Chrisanthus
2021-10-14 18:39   ` Sam Ravnborg
2021-10-13 23:36 ` [PATCH v3 5/7] drm/kmb: Corrected typo in handle_lcd_irq Anitha Chrisanthus
2021-10-14 18:40   ` Sam Ravnborg
2021-10-13 23:36 ` [PATCH v3 6/7] drm/kmb: Enable ADV bridge after modeset Anitha Chrisanthus
2021-10-14 18:44   ` Sam Ravnborg
2021-10-13 23:36 ` Anitha Chrisanthus [this message]
2021-10-14 12:50   ` [PATCH v3 7/7] drm/kmb: Enable support for framebuffer console Thomas Zimmermann
2021-10-15 17:17     ` Chrisanthus, Anitha
2021-10-14 13:08   ` Thomas Zimmermann
2021-10-15 17:16     ` Chrisanthus, Anitha
2021-10-14 18:33 ` [PATCH v3 1/7] drm/kmb: Work around for higher system clock Sam Ravnborg

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