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drm/i915/fbdev: Extract bios_fb_ok()

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Pull the "is the BIOS FB OK?" checks to a helper function. We'll
add other relevant checks there later.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patch.msgid.link/20260511214122.8468-3-ville.syrjala@linux.intel.com
Signed-off-by: Maarten Lankhorst <dev@lankhorst.se>
This commit is contained in:
Ville Syrjälä
2026-05-12 00:41:10 +03:00
committed by Maarten Lankhorst
parent 466fa6902e
commit b2a2c62040
1 changed files with 18 additions and 8 deletions
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26
drivers/gpu/drm/i915/display/intel_fbdev.c
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@@ -262,6 +262,23 @@ __intel_fbdev_fb_alloc(struct intel_display *display,
}
static bool bios_fb_ok(const struct intel_framebuffer *fb,
const struct drm_fb_helper_surface_size *sizes)
{
struct intel_display *display = to_intel_display(fb->base.dev);
int width = fb->base.width;
int height = fb->base.height;
if (sizes->fb_width > width || sizes->fb_height > height) {
drm_dbg_kms(display->drm,
"BIOS fb too small (%dx%d), we require (%dx%d), releasing it\n",
width, height, sizes->fb_width, sizes->fb_height);
return false;
}
return true;
}
int intel_fbdev_driver_fbdev_probe(struct drm_fb_helper *helper,
struct drm_fb_helper_surface_size *sizes)
{
@@ -279,14 +296,7 @@ int intel_fbdev_driver_fbdev_probe(struct drm_fb_helper *helper,
ifbdev->fb = NULL;
if (fb &&
(sizes->fb_width > fb->base.width ||
sizes->fb_height > fb->base.height)) {
drm_dbg_kms(display->drm,
"BIOS fb too small (%dx%d), we require (%dx%d),"
" releasing it\n",
fb->base.width, fb->base.height,
sizes->fb_width, sizes->fb_height);
if (fb && !bios_fb_ok(fb, sizes)) {
drm_framebuffer_put(&fb->base);
fb = NULL;
}