Den 2024-09-17 kl. 18:13, skrev Jani Nikula:
> Prefer the driver agnostic struct drm_gem_object over i915 specific
> struct drm_i915_gem_object. Add new intel_bo_* functions as needed.
>
> Signed-off-by: Jani Nikula <[email protected]>
> ---
> drivers/gpu/drm/i915/display/intel_bo.c | 10 +++++++++
> drivers/gpu/drm/i915/display/intel_bo.h | 2 ++
> drivers/gpu/drm/i915/display/intel_fb.c | 29 +++++++++++++------------
> drivers/gpu/drm/xe/display/intel_bo.c | 10 +++++++++
> 4 files changed, 37 insertions(+), 14 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_bo.c
> b/drivers/gpu/drm/i915/display/intel_bo.c
> index fede0a545951..5708d9bab1ab 100644
> --- a/drivers/gpu/drm/i915/display/intel_bo.c
> +++ b/drivers/gpu/drm/i915/display/intel_bo.c
> @@ -8,3 +8,13 @@ bool intel_bo_is_tiled(struct drm_gem_object *obj)
> {
> return i915_gem_object_is_tiled(to_intel_bo(obj));
> }
> +
> +bool intel_bo_is_userptr(struct drm_gem_object *obj)
> +{
> + return i915_gem_object_is_userptr(to_intel_bo(obj));
> +}
> +
> +void intel_bo_flush_if_display(struct drm_gem_object *obj)
> +{
> + i915_gem_object_flush_if_display(to_intel_bo(obj));
> +}
> diff --git a/drivers/gpu/drm/i915/display/intel_bo.h
> b/drivers/gpu/drm/i915/display/intel_bo.h
> index f5dfcc16d33e..0fa29211a9d0 100644
> --- a/drivers/gpu/drm/i915/display/intel_bo.h
> +++ b/drivers/gpu/drm/i915/display/intel_bo.h
> @@ -9,5 +9,7 @@
> struct drm_gem_object;
>
> bool intel_bo_is_tiled(struct drm_gem_object *obj);
> +bool intel_bo_is_userptr(struct drm_gem_object *obj);
> +void intel_bo_flush_if_display(struct drm_gem_object *obj);
>
> #endif /* __INTEL_BO__ */
> diff --git a/drivers/gpu/drm/i915/display/intel_fb.c
> b/drivers/gpu/drm/i915/display/intel_fb.c
> index 834a49395638..eb8dc3dd21ee 100644
> --- a/drivers/gpu/drm/i915/display/intel_fb.c
> +++ b/drivers/gpu/drm/i915/display/intel_fb.c
> @@ -13,6 +13,7 @@
> #include "gem/i915_gem_object_types.h"
> #include "i915_drv.h"
> #include "intel_atomic_plane.h"
> +#include "intel_bo.h"
> #include "intel_display.h"
> #include "intel_display_types.h"
> #include "intel_dpt.h"
> @@ -1225,7 +1226,7 @@ static bool intel_plane_needs_remap(const struct
> intel_plane_state *plane_state)
> static int convert_plane_offset_to_xy(const struct intel_framebuffer *fb,
> int color_plane,
> int plane_width, int *x, int *y)
> {
> - struct drm_i915_gem_object *obj = intel_fb_obj(&fb->base);
> + struct drm_gem_object *obj = intel_fb_bo(&fb->base);
> int ret;
>
> ret = intel_fb_offset_to_xy(x, y, &fb->base, color_plane);
> @@ -1249,7 +1250,7 @@ static int convert_plane_offset_to_xy(const struct
> intel_framebuffer *fb, int co
> * fb layout agrees with the fence layout. We already check that the
> * fb stride matches the fence stride elsewhere.
> */
> - if (color_plane == 0 && i915_gem_object_is_tiled(obj) &&
> + if (color_plane == 0 && intel_bo_is_tiled(obj) &&
> (*x + plane_width) * fb->base.format->cpp[color_plane] >
> fb->base.pitches[color_plane]) {
> drm_dbg_kms(fb->base.dev,
> "bad fb plane %d offset: 0x%x\n",
> @@ -1569,7 +1570,7 @@ static unsigned int intel_fb_min_alignment(const struct
> drm_framebuffer *fb)
>
> int intel_fill_fb_info(struct drm_i915_private *i915, struct
> intel_framebuffer *fb)
> {
> - struct drm_i915_gem_object *obj = intel_fb_obj(&fb->base);
> + struct drm_gem_object *obj = intel_fb_bo(&fb->base);
> u32 gtt_offset_rotated = 0;
> u32 gtt_offset_remapped = 0;
> unsigned int max_size = 0;
> @@ -1642,10 +1643,10 @@ int intel_fill_fb_info(struct drm_i915_private *i915,
> struct intel_framebuffer *
> max_size = max(max_size, offset + size);
> }
>
> - if (mul_u32_u32(max_size, tile_size) > intel_bo_to_drm_bo(obj)->size) {
> + if (mul_u32_u32(max_size, tile_size) > obj->size) {
> drm_dbg_kms(&i915->drm,
> "fb too big for bo (need %llu bytes, have %zu
> bytes)\n",
> - mul_u32_u32(max_size, tile_size),
> intel_bo_to_drm_bo(obj)->size);
> + mul_u32_u32(max_size, tile_size), obj->size);
> return -EINVAL;
> }
>
> @@ -1878,16 +1879,16 @@ static int
> intel_user_framebuffer_create_handle(struct drm_framebuffer *fb,
> struct drm_file *file,
> unsigned int *handle)
> {
> - struct drm_i915_gem_object *obj = intel_fb_obj(fb);
> - struct drm_i915_private *i915 = to_i915(intel_bo_to_drm_bo(obj)->dev);
> + struct drm_gem_object *obj = intel_fb_bo(fb);
> + struct intel_display *display = to_intel_display(obj->dev);
>
> - if (i915_gem_object_is_userptr(obj)) {
> - drm_dbg(&i915->drm,
> + if (intel_bo_is_userptr(obj)) {
> + drm_dbg(display->drm,
> "attempting to use a userptr for a framebuffer,
> denied\n");
> return -EINVAL;
> }
>
> - return drm_gem_handle_create(file, intel_bo_to_drm_bo(obj), handle);
> + return drm_gem_handle_create(file, obj, handle);
> }
>
> struct frontbuffer_fence_cb {
> @@ -1911,7 +1912,7 @@ static int intel_user_framebuffer_dirty(struct
> drm_framebuffer *fb,
> struct drm_clip_rect *clips,
> unsigned int num_clips)
> {
> - struct drm_i915_gem_object *obj = intel_fb_obj(fb);
> + struct drm_gem_object *obj = intel_fb_bo(fb);
> struct intel_frontbuffer *front = to_intel_frontbuffer(fb);
> struct dma_fence *fence;
> struct frontbuffer_fence_cb *cb;
> @@ -1920,10 +1921,10 @@ static int intel_user_framebuffer_dirty(struct
> drm_framebuffer *fb,
> if (!atomic_read(&front->bits))
> return 0;
>
> - if (dma_resv_test_signaled(intel_bo_to_drm_bo(obj)->resv,
> dma_resv_usage_rw(false)))
> + if (dma_resv_test_signaled(obj->resv, dma_resv_usage_rw(false)))
> goto flush;
>
> - ret = dma_resv_get_singleton(intel_bo_to_drm_bo(obj)->resv,
> dma_resv_usage_rw(false),
> + ret = dma_resv_get_singleton(obj->resv, dma_resv_usage_rw(false),
> &fence);
> if (ret || !fence)
> goto flush;
> @@ -1950,7 +1951,7 @@ static int intel_user_framebuffer_dirty(struct
> drm_framebuffer *fb,
> return ret;
>
> flush:
> - i915_gem_object_flush_if_display(obj);
> + intel_bo_flush_if_display(obj);
> intel_frontbuffer_flush(front, ORIGIN_DIRTYFB);
> return ret;
> }
> diff --git a/drivers/gpu/drm/xe/display/intel_bo.c
> b/drivers/gpu/drm/xe/display/intel_bo.c
> index d564fb7d85e5..f57b684050da 100644
> --- a/drivers/gpu/drm/xe/display/intel_bo.c
> +++ b/drivers/gpu/drm/xe/display/intel_bo.c
> @@ -10,3 +10,13 @@ bool intel_bo_is_tiled(struct drm_gem_object *obj)
> /* legacy tiling is unused */
> return false;
> }
> +
> +bool intel_bo_is_userptr(struct drm_gem_object *obj)
> +{
> + /* legacy tiling is unused */
This comment should be 'xe does not have userptr bos'. :)
> + return false;
> +}
> +
> +void intel_bo_flush_if_display(struct drm_gem_object *obj)
> +{
> +}
