tjh.dev / kernel
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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drm/xe/fbdev: print info about stolen memory preference for fbdev

If stolen memory cannot be allocated for the fbdev and initial plane
bo because of the preference for fbc, have an info about that in
the log.

v2: log text changed

Signed-off-by: Vinod Govindapillai <vinod.govindapillai@intel.com>
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Acked-by: Mika Kahola <mika.kahola@intel.com>
Link: https://patch.msgid.link/20260220170908.201422-6-vinod.govindapillai@intel.com

Vinod Govindapillai 83f75734 27c56f73

+5 -1
+2
drivers/gpu/drm/xe/display/intel_fbdev_fb.c
··· 63 63 drm_info(&xe->drm, "Allocated fbdev into stolen\n"); 64 64 else 65 65 drm_info(&xe->drm, "Allocated fbdev into stolen failed: %li\n", PTR_ERR(obj)); 66 + } else { 67 + drm_info(&xe->drm, "Allocating fbdev: Stolen memory not preferred.\n"); 66 68 } 67 69 68 70 if (IS_ERR(obj)) {
+3 -1
drivers/gpu/drm/xe/display/xe_initial_plane.c
··· 92 92 flags |= XE_BO_FLAG_STOLEN; 93 93 94 94 if (IS_ENABLED(CONFIG_FRAMEBUFFER_CONSOLE) && 95 - !intel_fbdev_fb_prefer_stolen(&xe->drm, plane_config->size)) 95 + !intel_fbdev_fb_prefer_stolen(&xe->drm, plane_config->size)) { 96 + drm_info(&xe->drm, "Initial FB size exceeds half of stolen, discarding\n"); 96 97 return NULL; 98 + } 97 99 } 98 100 99 101 size = round_up(plane_config->base + plane_config->size,