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Commit 4ac0533a authored by Jerome Glisse's avatar Jerome Glisse Committed by Alex Deucher
Browse files

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



Fix the size computation of the htile buffer.

Signed-off-by: default avatarJerome Glisse <jglisse@redhat.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 9af20792

drivers/gpu/drm/radeon/evergreen_cs.c

+14 −3
Original line number Diff line number Diff line
@@ -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:

drivers/gpu/drm/radeon/r600_cs.c

+19 −73
Original line number Diff line number Diff line
@@ -657,88 +657,31 @@ 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*/

				/* 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;

				}

				break;

			case 4:

				switch (tmp) {

				case 3:	/* HTILE_WIDTH = 8 & HTILE_HEIGHT = 8*/

				/* 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;

				}

				break;

			case 2:

				switch (tmp) {

				case 3:	/* HTILE_WIDTH = 8 & HTILE_HEIGHT = 8*/

				/* 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;

				}

				break;

			case 1:

				switch (tmp) {

				case 3:	/* HTILE_WIDTH = 8 & HTILE_HEIGHT = 8*/

				/* 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;

				}

				break;

			default:

				dev_warn(p->dev, "%s:%d invalid num pipes %d\n",

					 __func__, __LINE__, track->npipes);
@@ -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:

drivers/gpu/drm/radeon/radeon_drv.c

+2 −1
Original line number Diff line number Diff line
@@ -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);