From 5cf15dfca91c1174e6ca659e29dcbe9bd137a552 Mon Sep 17 00:00:00 2001 From: Imre Deak Date: Fri, 27 Dec 2019 20:03:02 +0200 Subject: [PATCH] drm/i915: Add debug message for FB plane[0].offset!=0 error MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit 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 Cc: Ville Syrjälä Cc: Mika Kahola Signed-off-by: Imre Deak Reviewed-by: Mika Kahola Link: https://patchwork.freedesktop.org/patch/msgid/20191231233756.18753-4-imre.deak@intel.com --- drivers/gpu/drm/i915/display/intel_display.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 14e62f500282..ab764945f34e 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -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); -- 2.20.1