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| author | Jerome Glisse <jglisse@redhat.com> | 2012-12-13 21:08:11 +0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2012-12-14 19:45:24 +0400 |
| commit | 4ac0533abaec2b83a7f2c675010eedd55664bc26 (patch) | |
| tree | 587476677b94638bbcde16de4368e938575926d7 /drivers/gpu/drm/radeon/evergreen_cs.c | |
| parent | 9af20792124850369e764965690b99b20623dfc4 (diff) | |
| download | linux-4ac0533abaec2b83a7f2c675010eedd55664bc26.tar.xz | |
drm/radeon: fix htile buffer size computation for command stream checker
Fix the size computation of the htile buffer.
Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/evergreen_cs.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/evergreen_cs.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/drivers/gpu/drm/radeon/evergreen_cs.c b/drivers/gpu/drm/radeon/evergreen_cs.c index 62c227104781..fc7e613124da 100644 --- a/drivers/gpu/drm/radeon/evergreen_cs.c +++ b/drivers/gpu/drm/radeon/evergreen_cs.c @@ -507,20 +507,28 @@ static int evergreen_cs_track_validate_htile(struct radeon_cs_parser *p, /* height is npipes htiles aligned == npipes * 8 pixel aligned */ nby = round_up(nby, track->npipes * 8); } else { + /* always assume 8x8 htile */ + /* align is htile align * 8, htile align vary according to + * number of pipe and tile width and nby + */ switch (track->npipes) { case 8: + /* HTILE_WIDTH = 8 & HTILE_HEIGHT = 8*/ nbx = round_up(nbx, 64 * 8); nby = round_up(nby, 64 * 8); break; case 4: + /* HTILE_WIDTH = 8 & HTILE_HEIGHT = 8*/ nbx = round_up(nbx, 64 * 8); nby = round_up(nby, 32 * 8); break; case 2: + /* HTILE_WIDTH = 8 & HTILE_HEIGHT = 8*/ nbx = round_up(nbx, 32 * 8); nby = round_up(nby, 32 * 8); break; case 1: + /* HTILE_WIDTH = 8 & HTILE_HEIGHT = 8*/ nbx = round_up(nbx, 32 * 8); nby = round_up(nby, 16 * 8); break; @@ -531,9 +539,10 @@ static int evergreen_cs_track_validate_htile(struct radeon_cs_parser *p, } } /* compute number of htile */ - nbx = nbx / 8; - nby = nby / 8; - size = nbx * nby * 4; + nbx = nbx >> 3; + nby = nby >> 3; + /* size must be aligned on npipes * 2K boundary */ + size = roundup(nbx * nby * 4, track->npipes * (2 << 10)); size += track->htile_offset; if (size > radeon_bo_size(track->htile_bo)) { @@ -1790,6 +1799,8 @@ static int evergreen_cs_check_reg(struct radeon_cs_parser *p, u32 reg, u32 idx) case DB_HTILE_SURFACE: /* 8x8 only */ track->htile_surface = radeon_get_ib_value(p, idx); + /* force 8x8 htile width and height */ + ib[idx] |= 3; track->db_dirty = true; break; case CB_IMMED0_BASE: |