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drm/radeon: fix htile buffer size computation for command stream checker

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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>
This commit is contained in:
Jerome Glisse 2012-12-13 12:08:11 -05:00 committed by Alex Deucher
parent 9af2079212
commit 4ac0533aba
3 changed files with 35 additions and 77 deletions
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17
drivers/gpu/drm/radeon/evergreen_cs.c
View File

@ -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:

92
drivers/gpu/drm/radeon/r600_cs.c
View File

@ -657,87 +657,30 @@ static int r600_cs_track_validate_db(struct radeon_cs_parser *p)
/* nby is npipes htiles aligned == npipes * 8 pixel aligned */
nby = round_up(nby, track->npipes * 8);
} else {
/* htile widht & nby (8 or 4) make 2 bits number */
tmp = track->htile_surface & 3;
/* 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:
switch (tmp) {
case 3: /* HTILE_WIDTH = 8 & HTILE_HEIGHT = 8*/
nbx = round_up(nbx, 64 * 8);
nby = round_up(nby, 64 * 8);
break;
case 2: /* HTILE_WIDTH = 4 & HTILE_HEIGHT = 8*/
case 1: /* HTILE_WIDTH = 8 & HTILE_HEIGHT = 4*/
nbx = round_up(nbx, 64 * 8);
nby = round_up(nby, 32 * 8);
break;
case 0: /* HTILE_WIDTH = 4 & HTILE_HEIGHT = 4*/
nbx = round_up(nbx, 32 * 8);
nby = round_up(nby, 32 * 8);
break;
default:
return -EINVAL;
}
/* HTILE_WIDTH = 8 & HTILE_HEIGHT = 8*/
nbx = round_up(nbx, 64 * 8);
nby = round_up(nby, 64 * 8);
break;
case 4:
switch (tmp) {
case 3: /* HTILE_WIDTH = 8 & HTILE_HEIGHT = 8*/
nbx = round_up(nbx, 64 * 8);
nby = round_up(nby, 32 * 8);
break;
case 2: /* HTILE_WIDTH = 4 & HTILE_HEIGHT = 8*/
case 1: /* HTILE_WIDTH = 8 & HTILE_HEIGHT = 4*/
nbx = round_up(nbx, 32 * 8);
nby = round_up(nby, 32 * 8);
break;
case 0: /* HTILE_WIDTH = 4 & HTILE_HEIGHT = 4*/
nbx = round_up(nbx, 32 * 8);
nby = round_up(nby, 16 * 8);
break;
default:
return -EINVAL;
}
/* HTILE_WIDTH = 8 & HTILE_HEIGHT = 8*/
nbx = round_up(nbx, 64 * 8);
nby = round_up(nby, 32 * 8);
break;
case 2:
switch (tmp) {
case 3: /* HTILE_WIDTH = 8 & HTILE_HEIGHT = 8*/
nbx = round_up(nbx, 32 * 8);
nby = round_up(nby, 32 * 8);
break;
case 2: /* HTILE_WIDTH = 4 & HTILE_HEIGHT = 8*/
case 1: /* HTILE_WIDTH = 8 & HTILE_HEIGHT = 4*/
nbx = round_up(nbx, 32 * 8);
nby = round_up(nby, 16 * 8);
break;
case 0: /* HTILE_WIDTH = 4 & HTILE_HEIGHT = 4*/
nbx = round_up(nbx, 16 * 8);
nby = round_up(nby, 16 * 8);
break;
default:
return -EINVAL;
}
/* HTILE_WIDTH = 8 & HTILE_HEIGHT = 8*/
nbx = round_up(nbx, 32 * 8);
nby = round_up(nby, 32 * 8);
break;
case 1:
switch (tmp) {
case 3: /* HTILE_WIDTH = 8 & HTILE_HEIGHT = 8*/
nbx = round_up(nbx, 32 * 8);
nby = round_up(nby, 16 * 8);
break;
case 2: /* HTILE_WIDTH = 4 & HTILE_HEIGHT = 8*/
case 1: /* HTILE_WIDTH = 8 & HTILE_HEIGHT = 4*/
nbx = round_up(nbx, 16 * 8);
nby = round_up(nby, 16 * 8);
break;
case 0: /* HTILE_WIDTH = 4 & HTILE_HEIGHT = 4*/
nbx = round_up(nbx, 16 * 8);
nby = round_up(nby, 8 * 8);
break;
default:
return -EINVAL;
}
/* HTILE_WIDTH = 8 & HTILE_HEIGHT = 8*/
nbx = round_up(nbx, 32 * 8);
nby = round_up(nby, 16 * 8);
break;
default:
dev_warn(p->dev, "%s:%d invalid num pipes %d\n",
@ -746,9 +689,10 @@ static int r600_cs_track_validate_db(struct radeon_cs_parser *p)
}
}
/* compute number of htile */
nbx = G_028D24_HTILE_WIDTH(track->htile_surface) ? nbx / 8 : nbx / 4;
nby = G_028D24_HTILE_HEIGHT(track->htile_surface) ? nby / 8 : nby / 4;
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)) {
@ -1492,6 +1436,8 @@ static int r600_cs_check_reg(struct radeon_cs_parser *p, u32 reg, u32 idx)
break;
case DB_HTILE_SURFACE:
track->htile_surface = radeon_get_ib_value(p, idx);
/* force 8x8 htile width and height */
ib[idx] |= 3;
track->db_dirty = true;
break;
case SQ_PGM_START_FS:

3
drivers/gpu/drm/radeon/radeon_drv.c
View File

@ -66,9 +66,10 @@
* 2.23.0 - allow STRMOUT_BASE_UPDATE on RS780 and RS880
* 2.24.0 - eg only: allow MIP_ADDRESS=0 for MSAA textures
* 2.25.0 - eg+: new info request for num SE and num SH
* 2.26.0 - r600-eg: fix htile size computation
*/
#define KMS_DRIVER_MAJOR 2
#define KMS_DRIVER_MINOR 25
#define KMS_DRIVER_MINOR 26
#define KMS_DRIVER_PATCHLEVEL 0
int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags);
int radeon_driver_unload_kms(struct drm_device *dev);