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gpu: nvgpu: Wait for CBC op to finish for all LTCs

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We broadcast CBC operation to all LTCs, but we wait for only one
to finish.

Bug 1507804

Change-Id: Ib10aa5fe3a34b31862b2d5162c77441f7444a7ba
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/428123
This commit is contained in:
Terje Bergstrom
2014-06-25 09:00:55 +03:00
committed by Dan Willemsen
parent 20408d5b32
commit e3cb85a78d
1 changed files with 3 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/gpu/nvgpu/gm20b/ltc_gm20b.c
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@@ -103,7 +103,7 @@ static int gm20b_ltc_cbc_ctrl(struct gk20a *g, enum gk20a_cbc_op op,
{
int err = 0;
struct gr_gk20a *gr = &g->gr;
u32 fbp, slice, ctrl1, val, hw_op = 0;
u32 ltc, slice, ctrl1, val, hw_op = 0;
unsigned long end_jiffies = jiffies +
msecs_to_jiffies(gk20a_get_gr_idle_timeout(g));
u32 delay = GR_IDLE_CHECK_DEFAULT;
@@ -133,13 +133,13 @@ static int gm20b_ltc_cbc_ctrl(struct gk20a *g, enum gk20a_cbc_op op,
gk20a_writel(g, ltc_ltcs_ltss_cbc_ctrl1_r(),
gk20a_readl(g, ltc_ltcs_ltss_cbc_ctrl1_r()) || hw_op);
for (fbp = 0; fbp < gr->num_fbps; fbp++) {
for (ltc = 0; ltc < g->ltc_count; ltc++) {
for (slice = 0; slice < slices_per_ltc; slice++) {
delay = GR_IDLE_CHECK_DEFAULT;
ctrl1 = ltc_ltc0_lts0_cbc_ctrl1_r() +
fbp * proj_ltc_stride_v() +
ltc * proj_ltc_stride_v() +
slice * proj_lts_stride_v();
do {