Mesa (9.1): Revert "radeon/winsys: pad IBs to a multiple of 8 DWs"
Carl Worth
cworth at kemper.freedesktop.org
Sat Oct 5 04:45:41 UTC 2013
Module: Mesa
Branch: 9.1
Commit: 7d4a1f508b482f40a831c4e411b53a24e4a0c330
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=7d4a1f508b482f40a831c4e411b53a24e4a0c330
Author: Carl Worth <cworth at cworth.org>
Date: Fri Oct 4 21:19:29 2013 -0700
Revert "radeon/winsys: pad IBs to a multiple of 8 DWs"
This reverts commit 4a8d1c5ef2f9c57a3c2feb829be3534ac43b9077.
This commit causes compilation failures ("'SI' undeclared"), which,
embarrassingly enough, I failed to notice earlier.
---
src/gallium/winsys/radeon/drm/radeon_drm_cs.c | 30 -------------------------
1 files changed, 0 insertions(+), 30 deletions(-)
diff --git a/src/gallium/winsys/radeon/drm/radeon_drm_cs.c b/src/gallium/winsys/radeon/drm/radeon_drm_cs.c
index 007d129..6a7115b 100644
--- a/src/gallium/winsys/radeon/drm/radeon_drm_cs.c
+++ b/src/gallium/winsys/radeon/drm/radeon_drm_cs.c
@@ -455,36 +455,6 @@ static void radeon_drm_cs_flush(struct radeon_winsys_cs *rcs, unsigned flags)
struct radeon_drm_cs *cs = radeon_drm_cs(rcs);
struct radeon_cs_context *tmp;
- switch (cs->base.ring_type) {
- case RING_DMA:
- /* pad DMA ring to 8 DWs */
- if (cs->ws->info.chip_class <= SI) {
- while (rcs->cdw & 7)
- OUT_CS(&cs->base, 0xf0000000); /* NOP packet */
- } else {
- while (rcs->cdw & 7)
- OUT_CS(&cs->base, 0x00000000); /* NOP packet */
- }
- break;
- case RING_GFX:
- /* pad DMA ring to 8 DWs to meet CP fetch alignment requirements
- * r6xx, requires at least 4 dw alignment to avoid a hw bug.
- */
- if (flags & RADEON_FLUSH_COMPUTE) {
- if (cs->ws->info.chip_class <= SI) {
- while (rcs->cdw & 7)
- OUT_CS(&cs->base, 0x80000000); /* type2 nop packet */
- } else {
- while (rcs->cdw & 7)
- OUT_CS(&cs->base, 0xffff1000); /* type3 nop packet */
- }
- } else {
- while (rcs->cdw & 7)
- OUT_CS(&cs->base, 0x80000000); /* type2 nop packet */
- }
- break;
- }
-
if (rcs->cdw > RADEON_MAX_CMDBUF_DWORDS) {
fprintf(stderr, "radeon: command stream overflowed\n");
}
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