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drm/radeon/kms: add info query for tile pipes 

needed by mesa for htile setup.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher 2011-04-26 13:27:43 -04:00 committed by Dave Airlie
parent 834f0c353a
commit 6565945b60
2 changed files with 14 additions and 0 deletions
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13
drivers/gpu/drm/radeon/radeon_kms.c
View File

@ -221,6 +221,19 @@ int radeon_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
return -EINVAL;
}
break;
case RADEON_INFO_NUM_TILE_PIPES:
if (rdev->family >= CHIP_CAYMAN)
value = rdev->config.cayman.max_tile_pipes;
else if (rdev->family >= CHIP_CEDAR)
value = rdev->config.evergreen.max_tile_pipes;
else if (rdev->family >= CHIP_RV770)
value = rdev->config.rv770.max_tile_pipes;
else if (rdev->family >= CHIP_R600)
value = rdev->config.r600.max_tile_pipes;
else {
return -EINVAL;
}
break;
default:
DRM_DEBUG_KMS("Invalid request %d\n", info->request);
return -EINVAL;

1
include/drm/radeon_drm.h
View File

@ -909,6 +909,7 @@ struct drm_radeon_cs {
#define RADEON_INFO_WANT_CMASK 0x08 /* get access to CMASK on r300 */
#define RADEON_INFO_CLOCK_CRYSTAL_FREQ 0x09 /* clock crystal frequency */
#define RADEON_INFO_NUM_BACKENDS 0x0a /* DB/backends for r600+ - need for OQ */
#define RADEON_INFO_NUM_TILE_PIPES 0x0b /* tile pipes for r600+ */
struct drm_radeon_info {
uint32_t request;