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drm/i915: Add debug message for FB plane[0].offset!=0 error 

Print a debug message if the FB plane[0] offset is not 0 as expected, to
help understainding an add FB IOCTL fail.

Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Mika Kahola <mika.kahola@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Mika Kahola <mika.kahola@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191231233756.18753-4-imre.deak@intel.com
This commit is contained in:
Imre Deak 2019-12-27 20:03:02 +02:00
parent d156135e6a
commit 5cf15dfca9
1 changed files with 4 additions and 1 deletions
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5
drivers/gpu/drm/i915/display/intel_display.c
View File

@ -16912,8 +16912,11 @@ static int intel_framebuffer_init(struct intel_framebuffer *intel_fb,
}
/* FIXME need to adjust LINOFF/TILEOFF accordingly. */
if (mode_cmd->offsets[0] != 0)
if (mode_cmd->offsets[0] != 0) {
DRM_DEBUG_KMS("plane 0 offset (0x%08x) must be 0\n",
mode_cmd->offsets[0]);
goto err;
}
drm_helper_mode_fill_fb_struct(&dev_priv->drm, fb, mode_cmd);