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drm/amd: print error on convert_tiling_flags_to_modifier failure

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If this function fails, it means the tiling flags didn't make sense.
This likely indicates a user-space bug. Log the error alongside with the
provided tiling flags to make debugging easier.

Signed-off-by: Simon Ser <contact@emersion.fr>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Harry Wentland <hwentlan@amd.com>
Cc: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Cc: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Cc: Michel Dänzer <michel@daenzer.net>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Simon Ser 2020-12-04 16:49:03 +00:00 committed by Alex Deucher
parent ccac8baba1
commit 048faf2783
1 changed files with 4 additions and 1 deletions
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5
drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
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@ -901,8 +901,11 @@ int amdgpu_display_framebuffer_init(struct drm_device *dev,
if (dev->mode_config.allow_fb_modifiers &&
!(rfb->base.flags & DRM_MODE_FB_MODIFIERS)) {
ret = convert_tiling_flags_to_modifier(rfb);
if (ret)
if (ret) {
drm_dbg_kms(dev, "Failed to convert tiling flags 0x%llX to a modifier",
rfb->tiling_flags);
goto fail;
}
}
for (i = 1; i < rfb->base.format->num_planes; ++i) {