From 6565945b60922211c299968ba66a66617af32c9f Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexdeucher@gmail.com>
Date: Tue, 26 Apr 2011 13:27:43 -0400
Subject: [PATCH] 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>
---
drivers/gpu/drm/radeon/radeon_kms.c | 13 +++++++++++++
include/drm/radeon_drm.h | 1 +
2 files changed, 14 insertions(+)
diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c
index bf7d4c061451c..871df0376b1c9 100644
--- a/drivers/gpu/drm/radeon/radeon_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_kms.c
@@ -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;
diff --git a/include/drm/radeon_drm.h b/include/drm/radeon_drm.h
index 3bce1a4fc305b..7aa5dddb2098e 100644
--- a/include/drm/radeon_drm.h
+++ b/include/drm/radeon_drm.h
@@ -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;
--
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