Contributors: 8
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Jouni Högander |
213 |
59.00% |
2 |
18.18% |
| Jani Nikula |
82 |
22.71% |
2 |
18.18% |
| Ville Syrjälä |
31 |
8.59% |
1 |
9.09% |
| Jesse Barnes |
13 |
3.60% |
1 |
9.09% |
| Imre Deak |
12 |
3.32% |
2 |
18.18% |
| Chris Wilson |
6 |
1.66% |
1 |
9.09% |
| Dave Airlie |
3 |
0.83% |
1 |
9.09% |
| Andi Shyti |
1 |
0.28% |
1 |
9.09% |
| Total |
361 |
|
11 |
|
/* SPDX-License-Identifier: MIT */
/*
* Copyright © 2021 Intel Corporation
*/
#include <drm/drm_framebuffer.h>
#include "gem/i915_gem_object.h"
#include "i915_drv.h"
#include "intel_fb.h"
#include "intel_fb_bo.h"
void intel_fb_bo_framebuffer_fini(struct drm_i915_gem_object *obj)
{
/* Nothing to do for i915 */
}
int intel_fb_bo_framebuffer_init(struct intel_framebuffer *intel_fb,
struct drm_i915_gem_object *obj,
struct drm_mode_fb_cmd2 *mode_cmd)
{
struct drm_i915_private *i915 = to_i915(obj->base.dev);
unsigned int tiling, stride;
i915_gem_object_lock(obj, NULL);
tiling = i915_gem_object_get_tiling(obj);
stride = i915_gem_object_get_stride(obj);
i915_gem_object_unlock(obj);
if (mode_cmd->flags & DRM_MODE_FB_MODIFIERS) {
/*
* If there's a fence, enforce that
* the fb modifier and tiling mode match.
*/
if (tiling != I915_TILING_NONE &&
tiling != intel_fb_modifier_to_tiling(mode_cmd->modifier[0])) {
drm_dbg_kms(&i915->drm,
"tiling_mode doesn't match fb modifier\n");
return -EINVAL;
}
} else {
if (tiling == I915_TILING_X) {
mode_cmd->modifier[0] = I915_FORMAT_MOD_X_TILED;
} else if (tiling == I915_TILING_Y) {
drm_dbg_kms(&i915->drm,
"No Y tiling for legacy addfb\n");
return -EINVAL;
}
}
/*
* gen2/3 display engine uses the fence if present,
* so the tiling mode must match the fb modifier exactly.
*/
if (DISPLAY_VER(i915) < 4 &&
tiling != intel_fb_modifier_to_tiling(mode_cmd->modifier[0])) {
drm_dbg_kms(&i915->drm,
"tiling_mode must match fb modifier exactly on gen2/3\n");
return -EINVAL;
}
/*
* If there's a fence, enforce that
* the fb pitch and fence stride match.
*/
if (tiling != I915_TILING_NONE && mode_cmd->pitches[0] != stride) {
drm_dbg_kms(&i915->drm,
"pitch (%d) must match tiling stride (%d)\n",
mode_cmd->pitches[0], stride);
return -EINVAL;
}
return 0;
}
struct drm_i915_gem_object *
intel_fb_bo_lookup_valid_bo(struct drm_i915_private *i915,
struct drm_file *filp,
const struct drm_mode_fb_cmd2 *mode_cmd)
{
struct drm_i915_gem_object *obj;
obj = i915_gem_object_lookup(filp, mode_cmd->handles[0]);
if (!obj)
return ERR_PTR(-ENOENT);
/* object is backed with LMEM for discrete */
if (HAS_LMEM(i915) && !i915_gem_object_can_migrate(obj, INTEL_REGION_LMEM_0)) {
/* object is "remote", not in local memory */
i915_gem_object_put(obj);
drm_dbg_kms(&i915->drm, "framebuffer must reside in local memory\n");
return ERR_PTR(-EREMOTE);
}
return obj;
}