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drm/i915/display: Set I915_BO_ALLOC_USER for fb

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Framebuffer is exposed to userspace so make sure we set
proper flags for it. Set I915_BO_PREALLOC for prealloced
fb so that ttm won't clear existing data.

Cc: Matthew Auld <matthew.auld@intel.com>
Cc: Andi Shyti <andi.shyti@linux.intel.com>
Cc: Andrzej Hajda <andrzej.hajda@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Imre Deak <imre.deak@intel.com>
Signed-off-by: Nirmoy Das <nirmoy.das@intel.com>
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
Reviewed-by: Andrzej Hajda <andrzej.hajda@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230404143100.10452-2-nirmoy.das@intel.com
This commit is contained in:
Nirmoy Das 2023-04-04 16:30:57 +02:00
parent ddb24fc525
commit ddb78a51fa
2 changed files with 5 additions and 2 deletions
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3
drivers/gpu/drm/i915/display/intel_fbdev.c
View File

@ -163,7 +163,8 @@ static int intelfb_alloc(struct drm_fb_helper *helper,
obj = ERR_PTR(-ENODEV);
if (HAS_LMEM(dev_priv)) {
obj = i915_gem_object_create_lmem(dev_priv, size,
I915_BO_ALLOC_CONTIGUOUS);
I915_BO_ALLOC_CONTIGUOUS |
I915_BO_ALLOC_USER);
} else {
/*
* If the FB is too big, just don't use it since fbdev is not very

4
drivers/gpu/drm/i915/display/intel_plane_initial.c
View File

@ -110,7 +110,9 @@ initial_plane_vma(struct drm_i915_private *i915,
size * 2 > i915->stolen_usable_size)
return NULL;
obj = i915_gem_object_create_region_at(mem, phys_base, size, 0);
obj = i915_gem_object_create_region_at(mem, phys_base, size,
I915_BO_ALLOC_USER |
I915_BO_PREALLOC);
if (IS_ERR(obj))
return NULL;