On Wed, Jun 2, 2010 at 2:32 PM, Matt Turner <mattst88@xxxxxxxxx> wrote: > On Wed, Jun 2, 2010 at 1:53 PM, Alex Deucher <alexdeucher@xxxxxxxxx> wrote: >> Fixes: >> https://bugs.freedesktop.org/show_bug.cgi?id=28327 >> >> Signed-off-by: Alex Deucher <alexdeucher@xxxxxxxxx> >> --- >> drivers/gpu/drm/radeon/r600_cs.c | 43 ++++++++++++++----------------------- >> 1 files changed, 16 insertions(+), 27 deletions(-) >> >> diff --git a/drivers/gpu/drm/radeon/r600_cs.c b/drivers/gpu/drm/radeon/r600_cs.c >> index 133f0da..99c8f40 100644 >> --- a/drivers/gpu/drm/radeon/r600_cs.c >> +++ b/drivers/gpu/drm/radeon/r600_cs.c >> @@ -184,28 +184,16 @@ static inline int r600_cs_track_validate_cb(struct radeon_cs_parser *p, int i) >> /* pitch is the number of 8x8 tiles per row */ >> pitch = G_028060_PITCH_TILE_MAX(track->cb_color_size[i]) + 1; >> slice_tile_max = G_028060_SLICE_TILE_MAX(track->cb_color_size[i]) + 1; >> - if (!pitch) { >> - dev_warn(p->dev, "%s:%d cb pitch (%d) for %d invalid (0x%08X)\n", >> - __func__, __LINE__, pitch, i, track->cb_color_size[i]); >> - return -EINVAL; >> - } >> height = size / (pitch * 8 * bpe); >> if (height > 8192) >> height = 8192; >> - height &= ~0x7; >> - if (!height) >> - height = 8; >> switch (G_0280A0_ARRAY_MODE(track->cb_color_info[i])) { >> case V_0280A0_ARRAY_LINEAR_GENERAL: >> - if (height & 0x7) { >> - dev_warn(p->dev, "%s:%d cb height (%d) invalid\n", >> - __func__, __LINE__, height); >> - return -EINVAL; >> - } >> + /* technically height & 0x7 */ >> break; >> case V_0280A0_ARRAY_LINEAR_ALIGNED: >> - pitch_align = (max((u32)64, (u32)(track->group_size / bpe)) / 8) - 1; >> - if (pitch & pitch_align) { >> + pitch_align = max((u32)64, (u32)(track->group_size / bpe)) / 8; >> + if (pitch & (pitch_align - 1)) { > > Maybe we should use the kernel's ALIGN macro here? ALIGN(pitch, > pitch_align). I don't know, it might just make it unclear. We don't want to align the pitch, we want to check if it is aligned. Alex > >> dev_warn(p->dev, "%s:%d cb pitch (%d) invalid\n", >> __func__, __LINE__, pitch); >> return -EINVAL; >> @@ -217,8 +205,8 @@ static inline int r600_cs_track_validate_cb(struct radeon_cs_parser *p, int i) >> } >> break; >> case V_0280A0_ARRAY_1D_TILED_THIN1: >> - pitch_align = (max((u32)8, (u32)(track->group_size / (8 * bpe * track->nsamples))) / 8) - 1; >> - if (pitch & pitch_align) { >> + pitch_align = max((u32)8, (u32)(track->group_size / (8 * bpe * track->nsamples))) / 8; >> + if (pitch & (pitch_align - 1)) { >> dev_warn(p->dev, "%s:%d cb pitch (%d) invalid\n", >> __func__, __LINE__, pitch); >> return -EINVAL; >> @@ -231,8 +219,8 @@ static inline int r600_cs_track_validate_cb(struct radeon_cs_parser *p, int i) >> break; >> case V_0280A0_ARRAY_2D_TILED_THIN1: >> pitch_align = max((u32)track->nbanks, >> - (u32)(((track->group_size / 8) / (bpe * track->nsamples)) * track->nbanks)) - 1; >> - if (pitch & pitch_align) { >> + (u32)(((track->group_size / 8) / (bpe * track->nsamples)) * track->nbanks)); >> + if (pitch & (pitch_align - 1)) { >> dev_warn(p->dev, "%s:%d cb pitch (%d) invalid\n", >> __func__, __LINE__, pitch); >> return -EINVAL; >> @@ -250,9 +238,9 @@ static inline int r600_cs_track_validate_cb(struct radeon_cs_parser *p, int i) >> return -EINVAL; >> } >> /* check offset */ >> - tmp = height * pitch * 8; >> + tmp = height * pitch * 8 * bpe; >> if ((tmp + track->cb_color_bo_offset[i]) > radeon_bo_size(track->cb_color_bo[i])) { >> - dev_warn(p->dev, "%s offset[%d] %d to big\n", __func__, i, track->cb_color_bo_offset[i]); >> + dev_warn(p->dev, "%s offset[%d] %d too big\n", __func__, i, track->cb_color_bo_offset[i]); >> return -EINVAL; >> } >> if (track->cb_color_bo_offset[i] & (track->group_size - 1)) { >> @@ -1130,11 +1118,12 @@ static inline int r600_check_texture_resource(struct radeon_cs_parser *p, u32 i >> pitch = G_038000_PITCH(word0) + 1; >> switch (G_038000_TILE_MODE(word0)) { >> case V_038000_ARRAY_LINEAR_GENERAL: >> + pitch_align = 1; >> /* XXX check height align */ >> break; >> case V_038000_ARRAY_LINEAR_ALIGNED: >> - pitch_align = (max((u32)64, (u32)(track->group_size / bpe)) / 8) - 1; >> - if (pitch & pitch_align) { >> + pitch_align = max((u32)64, (u32)(track->group_size / bpe)) / 8; >> + if (pitch & (pitch_align - 1)) { >> dev_warn(p->dev, "%s:%d tex pitch (%d) invalid\n", >> __func__, __LINE__, pitch); >> return -EINVAL; >> @@ -1142,8 +1131,8 @@ static inline int r600_check_texture_resource(struct radeon_cs_parser *p, u32 i >> /* XXX check height align */ >> break; >> case V_038000_ARRAY_1D_TILED_THIN1: >> - pitch_align = (max((u32)8, (u32)(track->group_size / (8 * bpe))) / 8) - 1; >> - if (pitch & pitch_align) { >> + pitch_align = max((u32)8, (u32)(track->group_size / (8 * bpe))) / 8; >> + if (pitch & (pitch_align - 1)) { >> dev_warn(p->dev, "%s:%d tex pitch (%d) invalid\n", >> __func__, __LINE__, pitch); >> return -EINVAL; >> @@ -1152,8 +1141,8 @@ static inline int r600_check_texture_resource(struct radeon_cs_parser *p, u32 i >> break; >> case V_038000_ARRAY_2D_TILED_THIN1: >> pitch_align = max((u32)track->nbanks, >> - (u32)(((track->group_size / 8) / bpe) * track->nbanks)) - 1; >> - if (pitch & pitch_align) { >> + (u32)(((track->group_size / 8) / bpe) * track->nbanks)); >> + if (pitch & (pitch_align - 1)) { >> dev_warn(p->dev, "%s:%d tex pitch (%d) invalid\n", >> __func__, __LINE__, pitch); >> return -EINVAL; >> -- > > Matt > _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel