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drm/i915: Constify 'fb' in during pinning

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Make the 'fb' pointers const in the pinning code. We never
want to mutate these. Also nuke a few aliasing fb vs. intel_fb
cases by just using the more specific type everywhere in the
same function.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240506125718.26001-7-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Acked-by: Lucas De Marchi <lucas.demarchi@intel.com>
This commit is contained in:
Ville Syrjälä
2024-05-06 15:57:15 +03:00
parent 56c12ec72a
commit 67f5728a89
3 changed files with 21 additions and 22 deletions
Download Patch File Download Diff File Expand all files Collapse all files

33
drivers/gpu/drm/i915/display/intel_fb_pin.c
View File

@@ -18,7 +18,7 @@
#include "intel_fb_pin.h"
static struct i915_vma *
intel_pin_fb_obj_dpt(struct drm_framebuffer *fb,
intel_pin_fb_obj_dpt(const struct drm_framebuffer *fb,
const struct i915_gtt_view *view,
unsigned int alignment,
unsigned long *out_flags,
@@ -102,7 +102,7 @@ intel_pin_fb_obj_dpt(struct drm_framebuffer *fb,
}
struct i915_vma *
intel_pin_and_fence_fb_obj(struct drm_framebuffer *fb,
intel_pin_and_fence_fb_obj(const struct drm_framebuffer *fb,
bool phys_cursor,
const struct i915_gtt_view *view,
bool uses_fence,
@@ -237,11 +237,12 @@ void intel_unpin_fb_vma(struct i915_vma *vma, unsigned long flags)
int intel_plane_pin_fb(struct intel_plane_state *plane_state)
{
struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);
struct drm_framebuffer *fb = plane_state->hw.fb;
const struct intel_framebuffer *fb =
to_intel_framebuffer(plane_state->hw.fb);
struct i915_vma *vma;
if (!intel_fb_uses_dpt(fb)) {
vma = intel_pin_and_fence_fb_obj(fb, intel_plane_needs_physical(plane),
if (!intel_fb_uses_dpt(&fb->base)) {
vma = intel_pin_and_fence_fb_obj(&fb->base, intel_plane_needs_physical(plane),
&plane_state->view.gtt,
intel_plane_uses_fence(plane_state),
&plane_state->flags);
@@ -258,22 +259,21 @@ int intel_plane_pin_fb(struct intel_plane_state *plane_state)
*/
if (intel_plane_needs_physical(plane))
plane_state->phys_dma_addr =
i915_gem_object_get_dma_address(intel_fb_obj(fb), 0);
i915_gem_object_get_dma_address(intel_fb_obj(&fb->base), 0);
} else {
struct intel_framebuffer *intel_fb = to_intel_framebuffer(fb);
unsigned int alignment = intel_surf_alignment(fb, 0);
unsigned int alignment = intel_surf_alignment(&fb->base, 0);
vma = intel_dpt_pin(intel_fb->dpt_vm, alignment / 512);
vma = intel_dpt_pin(fb->dpt_vm, alignment / 512);
if (IS_ERR(vma))
return PTR_ERR(vma);
plane_state->ggtt_vma = vma;
vma = intel_pin_fb_obj_dpt(fb, &plane_state->view.gtt,
vma = intel_pin_fb_obj_dpt(&fb->base, &plane_state->view.gtt,
alignment, &plane_state->flags,
intel_fb->dpt_vm);
fb->dpt_vm);
if (IS_ERR(vma)) {
intel_dpt_unpin(intel_fb->dpt_vm);
intel_dpt_unpin(fb->dpt_vm);
plane_state->ggtt_vma = NULL;
return PTR_ERR(vma);
}
@@ -288,22 +288,21 @@ int intel_plane_pin_fb(struct intel_plane_state *plane_state)
void intel_plane_unpin_fb(struct intel_plane_state *old_plane_state)
{
struct drm_framebuffer *fb = old_plane_state->hw.fb;
const struct intel_framebuffer *fb =
to_intel_framebuffer(old_plane_state->hw.fb);
struct i915_vma *vma;
if (!intel_fb_uses_dpt(fb)) {
if (!intel_fb_uses_dpt(&fb->base)) {
vma = fetch_and_zero(&old_plane_state->ggtt_vma);
if (vma)
intel_unpin_fb_vma(vma, old_plane_state->flags);
} else {
struct intel_framebuffer *intel_fb = to_intel_framebuffer(fb);
vma = fetch_and_zero(&old_plane_state->dpt_vma);
if (vma)
intel_unpin_fb_vma(vma, old_plane_state->flags);
vma = fetch_and_zero(&old_plane_state->ggtt_vma);
if (vma)
intel_dpt_unpin(intel_fb->dpt_vm);
intel_dpt_unpin(fb->dpt_vm);
}
}

2
drivers/gpu/drm/i915/display/intel_fb_pin.h
View File

@@ -14,7 +14,7 @@ struct intel_plane_state;
struct i915_gtt_view;
struct i915_vma *
intel_pin_and_fence_fb_obj(struct drm_framebuffer *fb,
intel_pin_and_fence_fb_obj(const struct drm_framebuffer *fb,
bool phys_cursor,
const struct i915_gtt_view *view,
bool uses_fence,

8
drivers/gpu/drm/xe/display/xe_fb_pin.c
View File

@@ -77,7 +77,7 @@ write_dpt_remapped(struct xe_bo *bo, struct iosys_map *map, u32 *dpt_ofs,
*dpt_ofs = ALIGN(*dpt_ofs, 4096);
}
static int __xe_pin_fb_vma_dpt(struct intel_framebuffer *fb,
static int __xe_pin_fb_vma_dpt(const struct intel_framebuffer *fb,
const struct i915_gtt_view *view,
struct i915_vma *vma)
{
@@ -181,7 +181,7 @@ write_ggtt_rotated(struct xe_bo *bo, struct xe_ggtt *ggtt, u32 *ggtt_ofs, u32 bo
}
}
static int __xe_pin_fb_vma_ggtt(struct intel_framebuffer *fb,
static int __xe_pin_fb_vma_ggtt(const struct intel_framebuffer *fb,
const struct i915_gtt_view *view,
struct i915_vma *vma)
{
@@ -249,7 +249,7 @@ static int __xe_pin_fb_vma_ggtt(struct intel_framebuffer *fb,
return ret;
}
static struct i915_vma *__xe_pin_fb_vma(struct intel_framebuffer *fb,
static struct i915_vma *__xe_pin_fb_vma(const struct intel_framebuffer *fb,
const struct i915_gtt_view *view)
{
struct drm_device *dev = fb->base.dev;
@@ -333,7 +333,7 @@ static void __xe_unpin_fb_vma(struct i915_vma *vma)
}
struct i915_vma *
intel_pin_and_fence_fb_obj(struct drm_framebuffer *fb,
intel_pin_and_fence_fb_obj(const struct drm_framebuffer *fb,
bool phys_cursor,
const struct i915_gtt_view *view,
bool uses_fence,