drm/radeon/kms/r6xx+: add query for tile config (v2)
Userspace needs this information to access tiled
buffers via the CPU.
v2: rebased on evergreen accel changes
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index 1b7da39..957d506 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -1132,6 +1132,7 @@
rdev->config.evergreen.max_backends) &
EVERGREEN_MAX_BACKENDS_MASK));
+ rdev->config.evergreen.tile_config = gb_addr_config;
WREG32(GB_BACKEND_MAP, gb_backend_map);
WREG32(GB_ADDR_CONFIG, gb_addr_config);
WREG32(DMIF_ADDR_CONFIG, gb_addr_config);
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 15fe6c2..aa36ef6 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -1623,7 +1623,7 @@
r600_count_pipe_bits((cc_rb_backend_disable &
R6XX_MAX_BACKENDS_MASK) >> 16)),
(cc_rb_backend_disable >> 16));
-
+ rdev->config.r600.tile_config = tiling_config;
tiling_config |= BACKEND_MAP(backend_map);
WREG32(GB_TILING_CONFIG, tiling_config);
WREG32(DCP_TILING_CONFIG, tiling_config & 0xffff);
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index d4d776d..be8420e 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -914,6 +914,7 @@
unsigned tiling_nbanks;
unsigned tiling_npipes;
unsigned tiling_group_size;
+ unsigned tile_config;
struct r100_gpu_lockup lockup;
};
@@ -938,6 +939,7 @@
unsigned tiling_nbanks;
unsigned tiling_npipes;
unsigned tiling_group_size;
+ unsigned tile_config;
struct r100_gpu_lockup lockup;
};
@@ -963,6 +965,7 @@
unsigned tiling_nbanks;
unsigned tiling_npipes;
unsigned tiling_group_size;
+ unsigned tile_config;
};
union radeon_asic_config {
diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c
index ed0ceb3..6f8a2e5 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.c
+++ b/drivers/gpu/drm/radeon/radeon_drv.c
@@ -46,9 +46,10 @@
* - 2.3.0 - add MSPOS + 3D texture + r500 VAP regs
* - 2.4.0 - add crtc id query
* - 2.5.0 - add get accel 2 to work around ddx breakage for evergreen
+ * - 2.6.0 - add tiling config query (r6xx+)
*/
#define KMS_DRIVER_MAJOR 2
-#define KMS_DRIVER_MINOR 5
+#define KMS_DRIVER_MINOR 6
#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);
diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c
index 70fda63..9012e6f 100644
--- a/drivers/gpu/drm/radeon/radeon_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_kms.c
@@ -147,6 +147,18 @@
case RADEON_INFO_ACCEL_WORKING2:
value = rdev->accel_working;
break;
+ case RADEON_INFO_TILING_CONFIG:
+ if (rdev->family >= CHIP_CEDAR)
+ value = rdev->config.evergreen.tile_config;
+ else if (rdev->family >= CHIP_RV770)
+ value = rdev->config.rv770.tile_config;
+ else if (rdev->family >= CHIP_R600)
+ value = rdev->config.r600.tile_config;
+ else {
+ DRM_DEBUG("tiling config is r6xx+ only!\n");
+ return -EINVAL;
+ }
+ break;
default:
DRM_DEBUG("Invalid request %d\n", info->request);
return -EINVAL;
diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c
index 836c15a..236fe66 100644
--- a/drivers/gpu/drm/radeon/rv770.c
+++ b/drivers/gpu/drm/radeon/rv770.c
@@ -674,8 +674,9 @@
r600_count_pipe_bits((cc_rb_backend_disable &
R7XX_MAX_BACKENDS_MASK) >> 16)),
(cc_rb_backend_disable >> 16));
- gb_tiling_config |= BACKEND_MAP(backend_map);
+ rdev->config.rv770.tile_config = gb_tiling_config;
+ gb_tiling_config |= BACKEND_MAP(backend_map);
WREG32(GB_TILING_CONFIG, gb_tiling_config);
WREG32(DCP_TILING_CONFIG, (gb_tiling_config & 0xffff));