On 2020-10-21 7:31 p.m., Bas Nieuwenhuizen wrote:
This moves the tiling_flags to the framebuffer creation.
This way the time of the "tiling" decision is the same as it
would be with modifiers.

Signed-off-by: Bas Nieuwenhuizen <b...@basnieuwenhuizen.nl>

Reviewed-by: Nicholas Kazlauskas <nicholas.kazlaus...@amd.com>

Regards,
Nicholas Kazlauskas

---
  drivers/gpu/drm/amd/amdgpu/amdgpu_display.c   | 48 +++++++++++-
  drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h      |  3 +
  .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 73 +++----------------
  .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h |  2 -
  4 files changed, 59 insertions(+), 67 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
index 9e92d2a070ac..1a2664c3fc26 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
@@ -541,6 +541,39 @@ uint32_t amdgpu_display_supported_domains(struct 
amdgpu_device *adev,
        return domain;
  }
+static int amdgpu_display_get_fb_info(const struct amdgpu_framebuffer *amdgpu_fb,
+                                     uint64_t *tiling_flags, bool *tmz_surface)
+{
+       struct amdgpu_bo *rbo;
+       int r;
+
+       if (!amdgpu_fb) {
+               *tiling_flags = 0;
+               *tmz_surface = false;
+               return 0;
+       }
+
+       rbo = gem_to_amdgpu_bo(amdgpu_fb->base.obj[0]);
+       r = amdgpu_bo_reserve(rbo, false);
+
+       if (unlikely(r)) {
+               /* Don't show error message when returning -ERESTARTSYS */
+               if (r != -ERESTARTSYS)
+                       DRM_ERROR("Unable to reserve buffer: %d\n", r);
+               return r;
+       }
+
+       if (tiling_flags)
+               amdgpu_bo_get_tiling_flags(rbo, tiling_flags);
+
+       if (tmz_surface)
+               *tmz_surface = amdgpu_bo_encrypted(rbo);
+
+       amdgpu_bo_unreserve(rbo);
+
+       return r;
+}
+
  int amdgpu_display_framebuffer_init(struct drm_device *dev,
                                    struct amdgpu_framebuffer *rfb,
                                    const struct drm_mode_fb_cmd2 *mode_cmd,
@@ -550,11 +583,18 @@ int amdgpu_display_framebuffer_init(struct drm_device 
*dev,
        rfb->base.obj[0] = obj;
        drm_helper_mode_fill_fb_struct(dev, &rfb->base, mode_cmd);
        ret = drm_framebuffer_init(dev, &rfb->base, &amdgpu_fb_funcs);
-       if (ret) {
-               rfb->base.obj[0] = NULL;
-               return ret;
-       }
+       if (ret)
+               goto fail;
+
+       ret = amdgpu_display_get_fb_info(rfb, &rfb->tiling_flags, 
&rfb->tmz_surface);
+       if (ret)
+               goto fail;
+
        return 0;
+
+fail:
+       rfb->base.obj[0] = NULL;
+       return ret;
  }
struct drm_framebuffer *
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h
index 345cb0464370..39866ed81c16 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h
@@ -304,6 +304,9 @@ struct amdgpu_display_funcs {
  struct amdgpu_framebuffer {
        struct drm_framebuffer base;
+ uint64_t tiling_flags;
+       bool tmz_surface;
+
        /* caching for later use */
        uint64_t address;
  };
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c 
b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 833887b9b0ad..5a0efaefbd7f 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -3839,39 +3839,6 @@ static int fill_dc_scaling_info(const struct 
drm_plane_state *state,
        return 0;
  }
-static int get_fb_info(const struct amdgpu_framebuffer *amdgpu_fb,
-                      uint64_t *tiling_flags, bool *tmz_surface)
-{
-       struct amdgpu_bo *rbo;
-       int r;
-
-       if (!amdgpu_fb) {
-               *tiling_flags = 0;
-               *tmz_surface = false;
-               return 0;
-       }
-
-       rbo = gem_to_amdgpu_bo(amdgpu_fb->base.obj[0]);
-       r = amdgpu_bo_reserve(rbo, false);
-
-       if (unlikely(r)) {
-               /* Don't show error message when returning -ERESTARTSYS */
-               if (r != -ERESTARTSYS)
-                       DRM_ERROR("Unable to reserve buffer: %d\n", r);
-               return r;
-       }
-
-       if (tiling_flags)
-               amdgpu_bo_get_tiling_flags(rbo, tiling_flags);
-
-       if (tmz_surface)
-               *tmz_surface = amdgpu_bo_encrypted(rbo);
-
-       amdgpu_bo_unreserve(rbo);
-
-       return r;
-}
-
  static inline uint64_t get_dcc_address(uint64_t address, uint64_t 
tiling_flags)
  {
        uint32_t offset = AMDGPU_TILING_GET(tiling_flags, DCC_OFFSET_256B);
@@ -4287,7 +4254,7 @@ static int fill_dc_plane_attributes(struct amdgpu_device 
*adev,
                                    struct drm_crtc_state *crtc_state)
  {
        struct dm_crtc_state *dm_crtc_state = to_dm_crtc_state(crtc_state);
-       struct dm_plane_state *dm_plane_state = to_dm_plane_state(plane_state);
+       struct amdgpu_framebuffer *afb = (struct amdgpu_framebuffer 
*)plane_state->fb;
        struct dc_scaling_info scaling_info;
        struct dc_plane_info plane_info;
        int ret;
@@ -4304,10 +4271,10 @@ static int fill_dc_plane_attributes(struct 
amdgpu_device *adev,
force_disable_dcc = adev->asic_type == CHIP_RAVEN && adev->in_suspend;
        ret = fill_dc_plane_info_and_addr(adev, plane_state,
-                                         dm_plane_state->tiling_flags,
+                                         afb->tiling_flags,
                                          &plane_info,
                                          &dc_plane_state->address,
-                                         dm_plane_state->tmz_surface,
+                                         afb->tmz_surface,
                                          force_disable_dcc);
        if (ret)
                return ret;
@@ -5913,10 +5880,6 @@ dm_drm_plane_duplicate_state(struct drm_plane *plane)
                dc_plane_state_retain(dm_plane_state->dc_state);
        }
- /* Framebuffer hasn't been updated yet, so retain old flags. */
-       dm_plane_state->tiling_flags = old_dm_plane_state->tiling_flags;
-       dm_plane_state->tmz_surface = old_dm_plane_state->tmz_surface;
-
        return &dm_plane_state->base;
  }
@@ -6021,10 +5984,10 @@ static int dm_plane_helper_prepare_fb(struct drm_plane *plane, fill_plane_buffer_attributes(
                        adev, afb, plane_state->format, plane_state->rotation,
-                       dm_plane_state_new->tiling_flags,
+                       afb->tiling_flags,
                        &plane_state->tiling_info, &plane_state->plane_size,
                        &plane_state->dcc, &plane_state->address,
-                       dm_plane_state_new->tmz_surface, force_disable_dcc);
+                       afb->tmz_surface, force_disable_dcc);
        }
return 0;
@@ -7287,6 +7250,7 @@ static void amdgpu_dm_commit_planes(struct 
drm_atomic_state *state,
                struct drm_crtc *crtc = new_plane_state->crtc;
                struct drm_crtc_state *new_crtc_state;
                struct drm_framebuffer *fb = new_plane_state->fb;
+               struct amdgpu_framebuffer *afb = (struct amdgpu_framebuffer 
*)fb;
                bool plane_needs_flip;
                struct dc_plane_state *dc_plane;
                struct dm_plane_state *dm_new_plane_state = 
to_dm_plane_state(new_plane_state);
@@ -7341,10 +7305,10 @@ static void amdgpu_dm_commit_planes(struct 
drm_atomic_state *state,
fill_dc_plane_info_and_addr(
                        dm->adev, new_plane_state,
-                       dm_new_plane_state->tiling_flags,
+                       afb->tiling_flags,
                        &bundle->plane_infos[planes_count],
                        &bundle->flip_addrs[planes_count].address,
-                       dm_new_plane_state->tmz_surface, false);
+                       afb->tmz_surface, false);
DRM_DEBUG_DRIVER("plane: id=%d dcc_en=%d\n",
                                 new_plane_state->plane->index,
@@ -8483,8 +8447,7 @@ static bool should_reset_plane(struct drm_atomic_state 
*state,
         * TODO: Come up with a more elegant solution for this.
         */
        for_each_oldnew_plane_in_state(state, other, old_other_state, 
new_other_state, i) {
-               struct dm_plane_state *old_dm_plane_state, *new_dm_plane_state;
-
+               struct amdgpu_framebuffer *old_afb, *new_afb;
                if (other->type == DRM_PLANE_TYPE_CURSOR)
                        continue;
@@ -8528,12 +8491,11 @@ static bool should_reset_plane(struct drm_atomic_state *state,
                if (old_other_state->fb->format != new_other_state->fb->format)
                        return true;
- old_dm_plane_state = to_dm_plane_state(old_other_state);
-               new_dm_plane_state = to_dm_plane_state(new_other_state);
+               old_afb = (struct amdgpu_framebuffer *)old_other_state->fb;
+               new_afb = (struct amdgpu_framebuffer *)new_other_state->fb;
/* Tiling and DCC changes also require bandwidth updates. */
-               if (old_dm_plane_state->tiling_flags !=
-                   new_dm_plane_state->tiling_flags)
+               if (old_afb->tiling_flags != new_afb->tiling_flags)
                        return true;
        }
@@ -8859,17 +8821,6 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev,
                }
        }
- /* Prepass for updating tiling flags on new planes. */
-       for_each_new_plane_in_state(state, plane, new_plane_state, i) {
-               struct dm_plane_state *new_dm_plane_state = 
to_dm_plane_state(new_plane_state);
-               struct amdgpu_framebuffer *new_afb = 
to_amdgpu_framebuffer(new_plane_state->fb);
-
-               ret = get_fb_info(new_afb, &new_dm_plane_state->tiling_flags,
-                                 &new_dm_plane_state->tmz_surface);
-               if (ret)
-                       goto fail;
-       }
-
        /* Remove exiting planes if they are modified */
        for_each_oldnew_plane_in_state_reverse(state, plane, old_plane_state, 
new_plane_state, i) {
                ret = dm_update_plane_state(dc, state, plane,
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h 
b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
index a46338410ddd..9308bed3c4fe 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
@@ -420,8 +420,6 @@ struct dc_plane_state;
  struct dm_plane_state {
        struct drm_plane_state base;
        struct dc_plane_state *dc_state;
-       uint64_t tiling_flags;
-       bool tmz_surface;
  };
struct dm_crtc_state {


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