radeon: fix surface API for good before anyone start relying on it

The mipmap level computation was wrong, we need to know the block
width, height, depth of compressed texture to properly compute this.
Change API to provide block width, height, depth instead of nblk_x,
nblk_y, nblk_z.

Signed-off-by: Jerome Glisse <jglisse@redhat.com>

2 files changed, 11 insertions, 20 deletions

diff --git a/radeon/radeon_surface.c b/radeon/radeon_surface.c
index b2e55113..d7e91872 100644
--- a/radeon/radeon_surface.c
+++ b/radeon/radeon_surface.c
@@ -144,12 +144,12 @@ static void surf_minify(struct radeon_surface *surf,
                         uint32_t xalign, uint32_t yalign, uint32_t zalign,
                         unsigned offset)
 {
-    surf->level[level].nblk_x = mip_minify(surf->nblk_x, level);
-    surf->level[level].nblk_y = mip_minify(surf->nblk_y, level);
-    surf->level[level].nblk_z = mip_minify(surf->nblk_z, level);
     surf->level[level].npix_x = mip_minify(surf->npix_x, level);
     surf->level[level].npix_y = mip_minify(surf->npix_y, level);
     surf->level[level].npix_z = mip_minify(surf->npix_z, level);
+    surf->level[level].nblk_x = (surf->level[level].npix_x + surf->blk_w - 1) / surf->blk_w;
+    surf->level[level].nblk_y = (surf->level[level].npix_y + surf->blk_h - 1) / surf->blk_h;
+    surf->level[level].nblk_z = (surf->level[level].npix_z + surf->blk_d - 1) / surf->blk_d;
     if (surf->level[level].mode == RADEON_SURF_MODE_2D) {
         if (surf->level[level].nblk_x < xalign || surf->level[level].nblk_y < yalign) {
             surf->level[level].mode = RADEON_SURF_MODE_1D;
@@ -499,12 +499,12 @@ static void eg_surf_minify(struct radeon_surface *surf,
 {
     unsigned mtile_pr, mtile_ps;
 
-    surf->level[level].nblk_x = mip_minify(surf->nblk_x, level);
-    surf->level[level].nblk_y = mip_minify(surf->nblk_y, level);
-    surf->level[level].nblk_z = mip_minify(surf->nblk_z, level);
     surf->level[level].npix_x = mip_minify(surf->npix_x, level);
     surf->level[level].npix_y = mip_minify(surf->npix_y, level);
     surf->level[level].npix_z = mip_minify(surf->npix_z, level);
+    surf->level[level].nblk_x = (surf->level[level].npix_x + surf->blk_w - 1) / surf->blk_w;
+    surf->level[level].nblk_y = (surf->level[level].npix_y + surf->blk_h - 1) / surf->blk_h;
+    surf->level[level].nblk_z = (surf->level[level].npix_z + surf->blk_d - 1) / surf->blk_d;
     if (surf->level[level].mode == RADEON_SURF_MODE_2D) {
         if (surf->level[level].nblk_x < mtilew || surf->level[level].nblk_y < mtileh) {
             surf->level[level].mode = RADEON_SURF_MODE_1D;
@@ -595,12 +595,6 @@ static int eg_surface_init_2d(struct radeon_surface_manager *surf_man,
     /* macro tile bytes */
     mtileb = (mtilew / tilew) * (mtileh / tileh) * tileb;
 
-    /* check if surface is big enought */
-    if (surf->nblk_x < mtilew || surf->nblk_y < mtileh) {
-        surf->level[start_level].mode = RADEON_SURF_MODE_1D;
-        return eg_surface_init_1d(surf_man, surf, offset, start_level);
-    }
-
     if (!start_level) {
         surf->bo_alignment = MAX2(256, mtileb);
     }
@@ -610,7 +604,7 @@ static int eg_surface_init_2d(struct radeon_surface_manager *surf_man,
         surf->level[i].mode = RADEON_SURF_MODE_2D;
         eg_surf_minify(surf, i, slice_pt, mtilew, mtileh, mtileb, offset);
         if (surf->level[i].mode == RADEON_SURF_MODE_1D) {
-            return r6_surface_init_1d(surf_man, surf, offset, i);
+            return eg_surface_init_1d(surf_man, surf, offset, i);
         }
         /* level0 and first mipmap need to have alignment */
         offset = surf->bo_size;
@@ -914,10 +908,7 @@ static int radeon_surface_sanity(struct radeon_surface_manager *surf_man,
     if (!surf->npix_x || !surf->npix_y || !surf->npix_z) {
         return -EINVAL;
     }
-    if (!surf->nblk_x || !surf->nblk_y || !surf->nblk_z) {
-        return -EINVAL;
-    }
-    if (surf->npix_x < surf->nblk_x || surf->npix_y < surf->nblk_y || surf->npix_z < surf->nblk_z) {
+    if (!surf->blk_w || !surf->blk_h || !surf->blk_d) {
         return -EINVAL;
     }
     if (!surf->array_size) {
diff --git a/radeon/radeon_surface.h b/radeon/radeon_surface.h
index 3e5fbedc..bfee8ab0 100644
--- a/radeon/radeon_surface.h
+++ b/radeon/radeon_surface.h
@@ -79,9 +79,9 @@ struct radeon_surface {
     uint32_t                    npix_x;
     uint32_t                    npix_y;
     uint32_t                    npix_z;
-    uint32_t                    nblk_x;
-    uint32_t                    nblk_y;
-    uint32_t                    nblk_z;
+    uint32_t                    blk_w;
+    uint32_t                    blk_h;
+    uint32_t                    blk_d;
     uint32_t                    array_size;
     uint32_t                    last_level;
     uint32_t                    bpe;