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drm/i915: Return error value when bo not in LMEM for discrete

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Return EREMOTE value when frame buffer object is not backed by LMEM
for discrete. If Local memory is supported by hardware the framebuffer
backing gem objects should be from local memory.

Signed-off-by: Mohammed Khajapasha <mohammed.khajapasha@intel.com>
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20210427085417.120246-7-matthew.auld@intel.com
This commit is contained in:
Mohammed Khajapasha 2021-04-27 09:54:17 +01:00 • committed by Matthew Auld
parent 4bc91dbde0
commit 229e22845e
1 changed files with 10 additions and 0 deletions
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10
drivers/gpu/drm/i915/display/intel_display.c
View file

@ -63,6 +63,7 @@
#include "display/intel_vdsc.h"
#include "display/intel_vrr.h"
#include "gem/i915_gem_lmem.h"
#include "gem/i915_gem_object.h"
#include "gt/intel_rps.h"
@ -11274,11 +11275,20 @@ intel_user_framebuffer_create(struct drm_device *dev,
struct drm_framebuffer *fb;
struct drm_i915_gem_object *obj;
struct drm_mode_fb_cmd2 mode_cmd = *user_mode_cmd;
struct drm_i915_private *i915;
obj = i915_gem_object_lookup(filp, mode_cmd.handles[0]);
if (!obj)
return ERR_PTR(-ENOENT);
/* object is backed with LMEM for discrete */
i915 = to_i915(obj->base.dev);
if (HAS_LMEM(i915) && !i915_gem_object_is_lmem(obj)) {
/* object is "remote", not in local memory */
i915_gem_object_put(obj);
return ERR_PTR(-EREMOTE);
}
fb = intel_framebuffer_create(obj, &mode_cmd);
i915_gem_object_put(obj);