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gpu: nvgpu: Use FB reg for getting HUB MMU dbg mode

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When we program MMU debug mode, we program it to both HUB and GPC
MMU. The query retrieved the value from GPC MMU, which introduces
a dependency from FB to GR. Change the code to retrieve the mode
from HUB MMU instead.

Change-Id: I6fa98e050480f7405395b7e44965defa386734d4
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1801419
Reviewed-by: svc-misra-checker <svc-misra-checker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Terje Bergstrom
2018-08-16 13:56:42 -07:00
committed by mobile promotions
parent dd71ad91b9
commit 271456272d
1 changed files with 3 additions and 3 deletions
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6
drivers/gpu/nvgpu/common/fb/fb_gm20b.c
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@@ -202,9 +202,9 @@ void gm20b_fb_read_wpr_info(struct gk20a *g, struct wpr_carveout_info *inf)
bool gm20b_fb_debug_mode_enabled(struct gk20a *g)
{
u32 debug_ctrl = gk20a_readl(g, gr_gpcs_pri_mmu_debug_ctrl_r());
return gr_gpcs_pri_mmu_debug_ctrl_debug_v(debug_ctrl) ==
gr_gpcs_pri_mmu_debug_ctrl_debug_enabled_v();
u32 debug_ctrl = gk20a_readl(g, fb_mmu_debug_ctrl_r());
return fb_mmu_debug_ctrl_debug_v(debug_ctrl) ==
fb_mmu_debug_ctrl_debug_enabled_v();
}
void gm20b_fb_set_debug_mode(struct gk20a *g, bool enable)