[PATCH 10/19] drm/armada: Pass along the format info from .fb_create() to drm_helper_mode_fill_fb_struct()

Ville Syrjala ville.syrjala at linux.intel.com
Thu Apr 10 16:32:09 UTC 2025


From: Ville Syrjälä <ville.syrjala at linux.intel.com>

Plumb the format info from .fb_create() all the way to
drm_helper_mode_fill_fb_struct() to avoid the redundant
lookup.

For the fbdev case a manual drm_get_format_info() lookup
is needed.

Cc: Russell King <linux at armlinux.org.uk>
Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
---
 drivers/gpu/drm/armada/armada_fb.c    | 8 +++++---
 drivers/gpu/drm/armada/armada_fb.h    | 1 +
 drivers/gpu/drm/armada/armada_fbdev.c | 5 ++++-
 3 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/armada/armada_fb.c b/drivers/gpu/drm/armada/armada_fb.c
index 7e94ec5bd4f4..aa4289127086 100644
--- a/drivers/gpu/drm/armada/armada_fb.c
+++ b/drivers/gpu/drm/armada/armada_fb.c
@@ -18,7 +18,9 @@ static const struct drm_framebuffer_funcs armada_fb_funcs = {
 };
 
 struct armada_framebuffer *armada_framebuffer_create(struct drm_device *dev,
-	const struct drm_mode_fb_cmd2 *mode, struct armada_gem_object *obj)
+						     const struct drm_format_info *info,
+						     const struct drm_mode_fb_cmd2 *mode,
+						     struct armada_gem_object *obj)
 {
 	struct armada_framebuffer *dfb;
 	uint8_t format, config;
@@ -64,7 +66,7 @@ struct armada_framebuffer *armada_framebuffer_create(struct drm_device *dev,
 	dfb->mod = config;
 	dfb->fb.obj[0] = &obj->obj;
 
-	drm_helper_mode_fill_fb_struct(dev, &dfb->fb, NULL, mode);
+	drm_helper_mode_fill_fb_struct(dev, &dfb->fb, info, mode);
 
 	ret = drm_framebuffer_init(dev, &dfb->fb, &armada_fb_funcs);
 	if (ret) {
@@ -122,7 +124,7 @@ struct drm_framebuffer *armada_fb_create(struct drm_device *dev,
 		goto err_unref;
 	}
 
-	dfb = armada_framebuffer_create(dev, mode, obj);
+	dfb = armada_framebuffer_create(dev, info, mode, obj);
 	if (IS_ERR(dfb)) {
 		ret = PTR_ERR(dfb);
 		goto err;
diff --git a/drivers/gpu/drm/armada/armada_fb.h b/drivers/gpu/drm/armada/armada_fb.h
index 41ba76dd80d6..f2b990f055a2 100644
--- a/drivers/gpu/drm/armada/armada_fb.h
+++ b/drivers/gpu/drm/armada/armada_fb.h
@@ -17,6 +17,7 @@ struct armada_framebuffer {
 #define drm_fb_obj(fb) drm_to_armada_gem((fb)->obj[0])
 
 struct armada_framebuffer *armada_framebuffer_create(struct drm_device *,
+	const struct drm_format_info *info,
 	const struct drm_mode_fb_cmd2 *, struct armada_gem_object *);
 struct drm_framebuffer *armada_fb_create(struct drm_device *dev,
 	struct drm_file *dfile, const struct drm_format_info *info,
diff --git a/drivers/gpu/drm/armada/armada_fbdev.c b/drivers/gpu/drm/armada/armada_fbdev.c
index 6ee7ce04ee71..cb53cc91bafb 100644
--- a/drivers/gpu/drm/armada/armada_fbdev.c
+++ b/drivers/gpu/drm/armada/armada_fbdev.c
@@ -78,7 +78,10 @@ int armada_fbdev_driver_fbdev_probe(struct drm_fb_helper *fbh,
 		return -ENOMEM;
 	}
 
-	dfb = armada_framebuffer_create(dev, &mode, obj);
+	dfb = armada_framebuffer_create(dev,
+					drm_get_format_info(dev, mode.pixel_format,
+							    mode.modifier[0]),
+					&mode, obj);
 
 	/*
 	 * A reference is now held by the framebuffer object if
-- 
2.49.0



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