Mesa (master): r600g: fix num_banks interpretation on eg+
Alex Deucher
agd5f at kemper.freedesktop.org
Wed Jun 22 16:39:51 UTC 2011
Module: Mesa
Branch: master
Commit: c4930cb417defe9f58c27e909adb18d3c7784883
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=c4930cb417defe9f58c27e909adb18d3c7784883
Author: Alex Deucher <alexdeucher at gmail.com>
Date: Wed Jun 22 12:33:01 2011 -0400
r600g: fix num_banks interpretation on eg+
Field is encoded:
0 = 4 banks
1 = 8 banks
2 = 16 banks
Signed-off-by: Alex Deucher <alexdeucher at gmail.com>
---
src/gallium/winsys/r600/drm/r600_drm.c | 15 ++++++++++++++-
1 files changed, 14 insertions(+), 1 deletions(-)
diff --git a/src/gallium/winsys/r600/drm/r600_drm.c b/src/gallium/winsys/r600/drm/r600_drm.c
index 03fe385..4602f7f 100644
--- a/src/gallium/winsys/r600/drm/r600_drm.c
+++ b/src/gallium/winsys/r600/drm/r600_drm.c
@@ -156,7 +156,20 @@ static int eg_interpret_tiling(struct radeon *radeon, uint32_t tiling_config)
return -EINVAL;
}
- radeon->tiling_info.num_banks = (tiling_config & 0xf0) >> 4;
+ switch ((tiling_config & 0xf0) >> 4) {
+ case 0:
+ radeon->tiling_info.num_banks = 4;
+ break;
+ case 1:
+ radeon->tiling_info.num_banks = 8;
+ break;
+ case 2:
+ radeon->tiling_info.num_banks = 16;
+ break;
+ default:
+ return -EINVAL;
+
+ }
switch ((tiling_config & 0xf00) >> 8) {
case 0:
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