linux-kernel - [PATCH v2 15/15] drm: sprd: add fbdev support

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Message-Id: <20250722-ums9230-drm-v2-15-054276ec213d@abscue.de>
Date: Tue, 22 Jul 2025 16:41:17 +0200
From: Otto Pflüger <otto.pflueger@...cue.de>
To: David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>, 
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, 
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>, 
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Orson Zhai <orsonzhai@...il.com>, 
 Baolin Wang <baolin.wang@...ux.alibaba.com>, 
 Chunyan Zhang <zhang.lyra@...il.com>, Kevin Tang <kevin.tang@...soc.com>
Cc: dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, 
 Otto Pflüger <otto.pflueger@...cue.de>
Subject: [PATCH v2 15/15] drm: sprd: add fbdev support

Set up the internal fbdev client in the Unisoc DRM driver. This is
needed to make the framebuffer console work.

Signed-off-by: Otto Pflüger <otto.pflueger@...cue.de>
---
 drivers/gpu/drm/sprd/sprd_drm.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/gpu/drm/sprd/sprd_drm.c b/drivers/gpu/drm/sprd/sprd_drm.c
index 4abc0b0b14f46ced91ea4478d861931db83dc87c..6153c06573a355457f897c66c91ece409aba62bf 100644
--- a/drivers/gpu/drm/sprd/sprd_drm.c
+++ b/drivers/gpu/drm/sprd/sprd_drm.c
@@ -12,8 +12,10 @@
 #include <linux/of_graph.h>
 #include <linux/platform_device.h>
 
+#include <drm/clients/drm_client_setup.h>
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_drv.h>
+#include <drm/drm_fbdev_dma.h>
 #include <drm/drm_gem_dma_helper.h>
 #include <drm/drm_gem_framebuffer_helper.h>
 #include <drm/drm_of.h>
@@ -59,6 +61,8 @@ static struct drm_driver sprd_drm_drv = {
 	.dumb_create		= sprd_gem_dumb_create,
 	.gem_prime_import_sg_table = sprd_gem_prime_import_sg_table,
 
+	DRM_FBDEV_DMA_DRIVER_OPS,
+
 	.name			= DRIVER_NAME,
 	.desc			= DRIVER_DESC,
 	.major			= DRIVER_MAJOR,
@@ -152,6 +156,8 @@ static int sprd_drm_bind(struct device *dev)
 	if (ret < 0)
 		goto err_kms_helper_poll_fini;
 
+	drm_client_setup(drm, NULL);
+
 	return 0;
 
 err_kms_helper_poll_fini:

-- 
2.50.0