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gpu: nvgpu: More verbose BAR1 failure message

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Change-Id: Ie575aa3eeea8ebddf5778be0d03cf9744ec35540
Signed-off-by: Rich Wiley <rwiley@nvidia.com>
Reviewed-on: http://git-master/r/760860
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
This commit is contained in:
Rich Wiley
2015-03-24 10:07:37 -07:00
committed by Terje Bergstrom
parent 4f2d4de40d
commit 25b540e5c9
1 changed files with 4 additions and 2 deletions
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6
drivers/gpu/nvgpu/gk20a/fifo_gk20a.c
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@@ -590,14 +590,16 @@ static int gk20a_init_fifo_setup_hw(struct gk20a *g)
smp_mb();
if (v1 != gk20a_bar1_readl(g, bar1_vaddr)) {
gk20a_err(dev_from_gk20a(g), "bar1 broken @ gk20a!");
gk20a_err(dev_from_gk20a(g), "bar1 broken @ gk20a: CPU wrote 0x%x, \
GPU read 0x%x", *cpu_vaddr, gk20a_bar1_readl(g, bar1_vaddr));
return -EINVAL;
}
gk20a_bar1_writel(g, bar1_vaddr, v2);
if (v2 != gk20a_bar1_readl(g, bar1_vaddr)) {
gk20a_err(dev_from_gk20a(g), "bar1 broken @ gk20a!");
gk20a_err(dev_from_gk20a(g), "bar1 broken @ gk20a: GPU wrote 0x%x, \
CPU read 0x%x", gk20a_bar1_readl(g, bar1_vaddr), *cpu_vaddr);
return -EINVAL;
}